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diff --git a/gfx/angle/checkout/src/libANGLE/formatutils.cpp b/gfx/angle/checkout/src/libANGLE/formatutils.cpp
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+++ b/gfx/angle/checkout/src/libANGLE/formatutils.cpp
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+//
+// Copyright 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// formatutils.cpp: Queries for GL image formats.
+
+#include "libANGLE/formatutils.h"
+
+#include "anglebase/no_destructor.h"
+#include "common/mathutil.h"
+#include "gpu_info_util/SystemInfo.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+
+using namespace angle;
+
+namespace gl
+{
+
+// ES2 requires that format is equal to internal format at all glTex*Image2D entry points and the
+// implementation can decide the true, sized, internal format. The ES2FormatMap determines the
+// internal format for all valid format and type combinations.
+GLenum GetSizedFormatInternal(GLenum format, GLenum type);
+
+namespace
+{
+bool CheckedMathResult(const CheckedNumeric<GLuint> &value, GLuint *resultOut)
+{
+ if (!value.IsValid())
+ {
+ return false;
+ }
+ else
+ {
+ *resultOut = value.ValueOrDie();
+ return true;
+ }
+}
+
+constexpr uint32_t PackTypeInfo(GLuint bytes, bool specialized)
+{
+ // static_assert within constexpr requires c++17
+ // static_assert(isPow2(bytes));
+ return bytes | (rx::Log2(bytes) << 8) | (specialized << 16);
+}
+
+} // anonymous namespace
+
+FormatType::FormatType() : format(GL_NONE), type(GL_NONE) {}
+
+FormatType::FormatType(GLenum format_, GLenum type_) : format(format_), type(type_) {}
+
+bool FormatType::operator<(const FormatType &other) const
+{
+ if (format != other.format)
+ return format < other.format;
+ return type < other.type;
+}
+
+bool operator<(const Type &a, const Type &b)
+{
+ return memcmp(&a, &b, sizeof(Type)) < 0;
+}
+
+// Information about internal formats
+static bool AlwaysSupported(const Version &, const Extensions &)
+{
+ return true;
+}
+
+static bool NeverSupported(const Version &, const Extensions &)
+{
+ return false;
+}
+
+static bool RequireES1(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion.major == 1;
+}
+
+template <GLuint minCoreGLMajorVersion, GLuint minCoreGLMinorVersion>
+static bool RequireES(const Version &clientVersion, const Extensions &)
+{
+ return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion);
+}
+
+// Check support for a single extension
+template <ExtensionBool bool1>
+static bool RequireExt(const Version &, const Extensions &extensions)
+{
+ return extensions.*bool1;
+}
+
+// Check for a minimum client version or a single extension
+template <GLuint minCoreGLMajorVersion, GLuint minCoreGLMinorVersion, ExtensionBool bool1>
+static bool RequireESOrExt(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) ||
+ extensions.*bool1;
+}
+
+// Check for a minimum client version or two extensions
+template <GLuint minCoreGLMajorVersion,
+ GLuint minCoreGLMinorVersion,
+ ExtensionBool bool1,
+ ExtensionBool bool2>
+static bool RequireESOrExtAndExt(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) ||
+ (extensions.*bool1 && extensions.*bool2);
+}
+
+// Check for a minimum client version or at least one of two extensions
+template <GLuint minCoreGLMajorVersion,
+ GLuint minCoreGLMinorVersion,
+ ExtensionBool bool1,
+ ExtensionBool bool2>
+static bool RequireESOrExtOrExt(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) ||
+ extensions.*bool1 || extensions.*bool2;
+}
+
+// Check support for two extensions
+template <ExtensionBool bool1, ExtensionBool bool2>
+static bool RequireExtAndExt(const Version &, const Extensions &extensions)
+{
+ return extensions.*bool1 && extensions.*bool2;
+}
+
+// Check support for either of two extensions
+template <ExtensionBool bool1, ExtensionBool bool2>
+static bool RequireExtOrExt(const Version &, const Extensions &extensions)
+{
+ return extensions.*bool1 || extensions.*bool2;
+}
+
+// Check support for any of three extensions
+template <ExtensionBool bool1, ExtensionBool bool2, ExtensionBool bool3>
+static bool RequireExtOrExtOrExt(const Version &, const Extensions &extensions)
+{
+ return extensions.*bool1 || extensions.*bool2 || extensions.*bool3;
+}
+
+// R8, RG8
+static bool SizedRGSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(3, 0) ||
+ (extensions.textureStorageEXT && extensions.textureRgEXT);
+}
+
+// R16F, RG16F with HALF_FLOAT_OES type
+static bool SizedHalfFloatOESRGSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ return extensions.textureStorageEXT && extensions.textureHalfFloatOES &&
+ extensions.textureRgEXT;
+}
+
+static bool SizedHalfFloatOESRGTextureAttachmentSupport(const Version &clientVersion,
+ const Extensions &extensions)
+{
+ return SizedHalfFloatOESRGSupport(clientVersion, extensions) &&
+ extensions.colorBufferHalfFloatEXT;
+}
+
+// R16F, RG16F with either HALF_FLOAT_OES or HALF_FLOAT types
+static bool SizedHalfFloatRGSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ // HALF_FLOAT
+ if (clientVersion >= Version(3, 0))
+ {
+ return true;
+ }
+ // HALF_FLOAT_OES
+ else
+ {
+ return SizedHalfFloatOESRGSupport(clientVersion, extensions);
+ }
+}
+
+static bool SizedHalfFloatRGTextureAttachmentSupport(const Version &clientVersion,
+ const Extensions &extensions)
+{
+ // HALF_FLOAT
+ if (clientVersion >= Version(3, 0))
+ {
+ // WebGL 2 supports EXT_color_buffer_half_float.
+ return extensions.colorBufferFloatEXT ||
+ (extensions.webglCompatibilityANGLE && extensions.colorBufferHalfFloatEXT);
+ }
+ // HALF_FLOAT_OES
+ else
+ {
+ return SizedHalfFloatOESRGTextureAttachmentSupport(clientVersion, extensions);
+ }
+}
+
+static bool SizedHalfFloatRGRenderbufferSupport(const Version &clientVersion,
+ const Extensions &extensions)
+{
+ return (clientVersion >= Version(3, 0) ||
+ (extensions.textureHalfFloatOES && extensions.textureRgEXT)) &&
+ (extensions.colorBufferFloatEXT || extensions.colorBufferHalfFloatEXT);
+}
+
+// RGB16F, RGBA16F with HALF_FLOAT_OES type
+static bool SizedHalfFloatOESSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ return extensions.textureStorageEXT && extensions.textureHalfFloatOES;
+}
+
+static bool SizedHalfFloatOESTextureAttachmentSupport(const Version &clientVersion,
+ const Extensions &extensions)
+{
+ return SizedHalfFloatOESSupport(clientVersion, extensions) &&
+ extensions.colorBufferHalfFloatEXT;
+}
+
+// RGB16F, RGBA16F with either HALF_FLOAT_OES or HALF_FLOAT types
+static bool SizedHalfFloatSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ // HALF_FLOAT
+ if (clientVersion >= Version(3, 0))
+ {
+ return true;
+ }
+ // HALF_FLOAT_OES
+ else
+ {
+ return SizedHalfFloatOESSupport(clientVersion, extensions);
+ }
+}
+
+static bool SizedHalfFloatFilterSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ // HALF_FLOAT
+ if (clientVersion >= Version(3, 0))
+ {
+ return true;
+ }
+ // HALF_FLOAT_OES
+ else
+ {
+ return extensions.textureHalfFloatLinearOES;
+ }
+}
+
+static bool SizedHalfFloatRGBTextureAttachmentSupport(const Version &clientVersion,
+ const Extensions &extensions)
+{
+ // HALF_FLOAT
+ if (clientVersion >= Version(3, 0))
+ {
+ // It is unclear how EXT_color_buffer_half_float applies to ES3.0 and above, however,
+ // dEQP GLES3 es3fFboColorbufferTests.cpp verifies that texture attachment of GL_RGB16F
+ // is possible, so assume that all GLES implementations support it.
+ // The WebGL version of the extension explicitly forbids RGB formats.
+ return extensions.colorBufferHalfFloatEXT && !extensions.webglCompatibilityANGLE;
+ }
+ // HALF_FLOAT_OES
+ else
+ {
+ return SizedHalfFloatOESTextureAttachmentSupport(clientVersion, extensions);
+ }
+}
+
+static bool SizedHalfFloatRGBRenderbufferSupport(const Version &clientVersion,
+ const Extensions &extensions)
+{
+ return !extensions.webglCompatibilityANGLE &&
+ ((clientVersion >= Version(3, 0) || extensions.textureHalfFloatOES) &&
+ extensions.colorBufferHalfFloatEXT);
+}
+
+static bool SizedHalfFloatRGBATextureAttachmentSupport(const Version &clientVersion,
+ const Extensions &extensions)
+{
+ // HALF_FLOAT
+ if (clientVersion >= Version(3, 0))
+ {
+ // WebGL 2 supports EXT_color_buffer_half_float.
+ return extensions.colorBufferFloatEXT ||
+ (extensions.webglCompatibilityANGLE && extensions.colorBufferHalfFloatEXT);
+ }
+ // HALF_FLOAT_OES
+ else
+ {
+ return SizedHalfFloatOESTextureAttachmentSupport(clientVersion, extensions);
+ }
+}
+
+static bool SizedHalfFloatRGBARenderbufferSupport(const Version &clientVersion,
+ const Extensions &extensions)
+{
+ return (clientVersion >= Version(3, 0) || extensions.textureHalfFloatOES) &&
+ (extensions.colorBufferFloatEXT || extensions.colorBufferHalfFloatEXT);
+}
+
+// R32F, RG32F
+static bool SizedFloatRGSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(3, 0) ||
+ (extensions.textureStorageEXT && extensions.textureFloatOES && extensions.textureRgEXT);
+}
+
+// RGB32F
+static bool SizedFloatRGBSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(3, 0) ||
+ (extensions.textureStorageEXT && extensions.textureFloatOES) ||
+ extensions.colorBufferFloatRgbCHROMIUM;
+}
+
+// RGBA32F
+static bool SizedFloatRGBASupport(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(3, 0) ||
+ (extensions.textureStorageEXT && extensions.textureFloatOES) ||
+ extensions.colorBufferFloatRgbaCHROMIUM;
+}
+
+static bool SizedFloatRGBARenderableSupport(const Version &clientVersion,
+ const Extensions &extensions)
+{
+ // This logic is the same for both Renderbuffers and TextureAttachment.
+ return extensions.colorBufferFloatRgbaCHROMIUM || // ES2
+ extensions.colorBufferFloatEXT; // ES3
+}
+
+static bool Float32BlendableSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ // EXT_float_blend may be exposed on ES2 client contexts. Ensure that RGBA32F is renderable.
+ return (extensions.colorBufferFloatRgbaCHROMIUM || extensions.colorBufferFloatEXT) &&
+ extensions.floatBlendEXT;
+}
+
+template <ExtensionBool bool1>
+static bool ETC2EACSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ if (extensions.compressedTextureEtcANGLE)
+ {
+ return true;
+ }
+
+ // ETC2/EAC formats are always available in ES 3.0+ but require an extension (checked above)
+ // in WebGL. If that extension is not available, hide these formats from WebGL contexts.
+ return !extensions.webglCompatibilityANGLE &&
+ (clientVersion >= Version(3, 0) || extensions.*bool1);
+}
+
+InternalFormat::InternalFormat()
+ : internalFormat(GL_NONE),
+ sized(false),
+ sizedInternalFormat(GL_NONE),
+ redBits(0),
+ greenBits(0),
+ blueBits(0),
+ luminanceBits(0),
+ alphaBits(0),
+ sharedBits(0),
+ depthBits(0),
+ stencilBits(0),
+ pixelBytes(0),
+ componentCount(0),
+ compressed(false),
+ compressedBlockWidth(0),
+ compressedBlockHeight(0),
+ compressedBlockDepth(0),
+ paletted(false),
+ paletteBits(0),
+ format(GL_NONE),
+ type(GL_NONE),
+ componentType(GL_NONE),
+ colorEncoding(GL_NONE),
+ textureSupport(NeverSupported),
+ filterSupport(NeverSupported),
+ textureAttachmentSupport(NeverSupported),
+ renderbufferSupport(NeverSupported),
+ blendSupport(NeverSupported)
+{}
+
+InternalFormat::InternalFormat(const InternalFormat &other) = default;
+
+InternalFormat &InternalFormat::operator=(const InternalFormat &other) = default;
+
+bool InternalFormat::isLUMA() const
+{
+ return ((redBits + greenBits + blueBits + depthBits + stencilBits) == 0 &&
+ (luminanceBits + alphaBits) > 0);
+}
+
+GLenum InternalFormat::getReadPixelsFormat(const Extensions &extensions) const
+{
+ switch (format)
+ {
+ case GL_BGRA_EXT:
+ // BGRA textures may be enabled but calling glReadPixels with BGRA is disallowed without
+ // GL_EXT_texture_format_BGRA8888. Read as RGBA instead.
+ if (!extensions.readFormatBgraEXT)
+ {
+ return GL_RGBA;
+ }
+ return GL_BGRA_EXT;
+
+ default:
+ return format;
+ }
+}
+
+GLenum InternalFormat::getReadPixelsType(const Version &version) const
+{
+ switch (type)
+ {
+ case GL_HALF_FLOAT:
+ case GL_HALF_FLOAT_OES:
+ if (version < Version(3, 0))
+ {
+ // The internal format may have a type of GL_HALF_FLOAT but when exposing this type
+ // as the IMPLEMENTATION_READ_TYPE, only HALF_FLOAT_OES is allowed by
+ // OES_texture_half_float. HALF_FLOAT becomes core in ES3 and is acceptable to use
+ // as an IMPLEMENTATION_READ_TYPE.
+ return GL_HALF_FLOAT_OES;
+ }
+ return GL_HALF_FLOAT;
+
+ default:
+ return type;
+ }
+}
+
+bool InternalFormat::supportSubImage() const
+{
+ return !CompressedFormatRequiresWholeImage(internalFormat);
+}
+
+bool InternalFormat::isRequiredRenderbufferFormat(const Version &version) const
+{
+ // GLES 3.0.5 section 4.4.2.2:
+ // "Implementations are required to support the same internal formats for renderbuffers as the
+ // required formats for textures enumerated in section 3.8.3.1, with the exception of the color
+ // formats labelled "texture-only"."
+ if (!sized || compressed)
+ {
+ return false;
+ }
+
+ // Luma formats.
+ if (isLUMA())
+ {
+ return false;
+ }
+
+ // Depth/stencil formats.
+ if (depthBits > 0 || stencilBits > 0)
+ {
+ // GLES 2.0.25 table 4.5.
+ // GLES 3.0.5 section 3.8.3.1.
+ // GLES 3.1 table 8.14.
+
+ // Required formats in all versions.
+ switch (internalFormat)
+ {
+ case GL_DEPTH_COMPONENT16:
+ case GL_STENCIL_INDEX8:
+ // Note that STENCIL_INDEX8 is not mentioned in GLES 3.0.5 section 3.8.3.1, but it
+ // is in section 4.4.2.2.
+ return true;
+ default:
+ break;
+ }
+ if (version.major < 3)
+ {
+ return false;
+ }
+ // Required formats in GLES 3.0 and up.
+ switch (internalFormat)
+ {
+ case GL_DEPTH_COMPONENT32F:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH32F_STENCIL8:
+ case GL_DEPTH24_STENCIL8:
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ // RGBA formats.
+ // GLES 2.0.25 table 4.5.
+ // GLES 3.0.5 section 3.8.3.1.
+ // GLES 3.1 table 8.13.
+
+ // Required formats in all versions.
+ switch (internalFormat)
+ {
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGB565:
+ return true;
+ default:
+ break;
+ }
+ if (version.major < 3)
+ {
+ return false;
+ }
+
+ if (format == GL_BGRA_EXT)
+ {
+ return false;
+ }
+
+ switch (componentType)
+ {
+ case GL_SIGNED_NORMALIZED:
+ case GL_FLOAT:
+ return false;
+ case GL_UNSIGNED_INT:
+ case GL_INT:
+ // Integer RGB formats are not required renderbuffer formats.
+ if (alphaBits == 0 && blueBits != 0)
+ {
+ return false;
+ }
+ // All integer R and RG formats are required.
+ // Integer RGBA formats including RGB10_A2_UI are required.
+ return true;
+ case GL_UNSIGNED_NORMALIZED:
+ if (internalFormat == GL_SRGB8)
+ {
+ return false;
+ }
+ return true;
+ default:
+ UNREACHABLE();
+ return false;
+ }
+}
+
+bool InternalFormat::isInt() const
+{
+ return componentType == GL_INT || componentType == GL_UNSIGNED_INT;
+}
+
+bool InternalFormat::isDepthOrStencil() const
+{
+ return depthBits != 0 || stencilBits != 0;
+}
+
+Format::Format(GLenum internalFormat) : Format(GetSizedInternalFormatInfo(internalFormat)) {}
+
+Format::Format(const InternalFormat &internalFormat) : info(&internalFormat) {}
+
+Format::Format(GLenum internalFormat, GLenum type)
+ : info(&GetInternalFormatInfo(internalFormat, type))
+{}
+
+Format::Format(const Format &other) = default;
+Format &Format::operator=(const Format &other) = default;
+
+bool Format::valid() const
+{
+ return info->internalFormat != GL_NONE;
+}
+
+// static
+bool Format::SameSized(const Format &a, const Format &b)
+{
+ return a.info->sizedInternalFormat == b.info->sizedInternalFormat;
+}
+
+static GLenum EquivalentBlitInternalFormat(GLenum internalformat)
+{
+ // BlitFramebuffer works if the color channels are identically
+ // sized, even if there is a swizzle (for example, blitting from a
+ // multisampled RGBA8 renderbuffer to a BGRA8 texture). This could
+ // be expanded and/or autogenerated if that is found necessary.
+ if (internalformat == GL_BGRA8_EXT)
+ {
+ return GL_RGBA8;
+ }
+
+ // GL_ANGLE_rgbx_internal_format: Treat RGBX8 as RGB8, since the X channel is ignored.
+ if (internalformat == GL_RGBX8_ANGLE)
+ {
+ return GL_RGB8;
+ }
+
+ // Treat ANGLE's BGRX8 as RGB8 since it's swizzled and the X channel is ignored.
+ if (internalformat == GL_BGRX8_ANGLEX)
+ {
+ return GL_RGB8;
+ }
+
+ return internalformat;
+}
+
+// static
+bool Format::EquivalentForBlit(const Format &a, const Format &b)
+{
+ return (EquivalentBlitInternalFormat(a.info->sizedInternalFormat) ==
+ EquivalentBlitInternalFormat(b.info->sizedInternalFormat));
+}
+
+// static
+Format Format::Invalid()
+{
+ static Format invalid(GL_NONE, GL_NONE);
+ return invalid;
+}
+
+std::ostream &operator<<(std::ostream &os, const Format &fmt)
+{
+ // TODO(ynovikov): return string representation when available
+ return FmtHex(os, fmt.info->sizedInternalFormat);
+}
+
+bool InternalFormat::operator==(const InternalFormat &other) const
+{
+ // We assume all internal formats are unique if they have the same internal format and type
+ return internalFormat == other.internalFormat && type == other.type;
+}
+
+bool InternalFormat::operator!=(const InternalFormat &other) const
+{
+ return !(*this == other);
+}
+
+void InsertFormatInfo(InternalFormatInfoMap *map, const InternalFormat &formatInfo)
+{
+ ASSERT(!formatInfo.sized || (*map).count(formatInfo.internalFormat) == 0);
+ ASSERT((*map)[formatInfo.internalFormat].count(formatInfo.type) == 0);
+ (*map)[formatInfo.internalFormat][formatInfo.type] = formatInfo;
+}
+
+// YuvFormatInfo implementation
+YuvFormatInfo::YuvFormatInfo(GLenum internalFormat, const Extents &yPlaneExtent)
+{
+ ASSERT(gl::IsYuvFormat(internalFormat));
+ ASSERT((gl::GetPlaneCount(internalFormat) > 0) && (gl::GetPlaneCount(internalFormat) <= 3));
+
+ glInternalFormat = internalFormat;
+ planeCount = gl::GetPlaneCount(internalFormat);
+
+ // Chroma planes of a YUV format can be subsampled
+ int horizontalSubsampleFactor = 0;
+ int verticalSubsampleFactor = 0;
+ gl::GetSubSampleFactor(internalFormat, &horizontalSubsampleFactor, &verticalSubsampleFactor);
+
+ // Compute plane Bpp
+ planeBpp[0] = gl::GetYPlaneBpp(internalFormat);
+ planeBpp[1] = gl::GetChromaPlaneBpp(internalFormat);
+ planeBpp[2] = (planeCount > 2) ? planeBpp[1] : 0;
+
+ // Compute plane extent
+ planeExtent[0] = yPlaneExtent;
+ planeExtent[1] = {(yPlaneExtent.width / horizontalSubsampleFactor),
+ (yPlaneExtent.height / verticalSubsampleFactor), yPlaneExtent.depth};
+ planeExtent[2] = (planeCount > 2) ? planeExtent[1] : Extents();
+
+ // Compute plane pitch
+ planePitch[0] = planeExtent[0].width * planeBpp[0];
+ planePitch[1] = planeExtent[1].width * planeBpp[1];
+ planePitch[2] = planeExtent[2].width * planeBpp[2];
+
+ // Compute plane size
+ planeSize[0] = planePitch[0] * planeExtent[0].height;
+ planeSize[1] = planePitch[1] * planeExtent[1].height;
+ planeSize[2] = planePitch[2] * planeExtent[2].height;
+
+ // Compute plane offset
+ planeOffset[0] = 0;
+ planeOffset[1] = planeSize[0];
+ planeOffset[2] = planeSize[0] + planeSize[1];
+}
+
+// YUV format related helpers
+bool IsYuvFormat(GLenum format)
+{
+ switch (format)
+ {
+ case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+ case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+ case GL_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G16_B16R16_2PLANE_420_UNORM_ANGLE:
+ case GL_G16_B16_R16_3PLANE_420_UNORM_ANGLE:
+ return true;
+ default:
+ return false;
+ }
+}
+
+uint32_t GetPlaneCount(GLenum format)
+{
+ switch (format)
+ {
+ case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+ case GL_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G16_B16R16_2PLANE_420_UNORM_ANGLE:
+ return 2;
+ case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+ case GL_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G16_B16_R16_3PLANE_420_UNORM_ANGLE:
+ return 3;
+ default:
+ UNREACHABLE();
+ return 0;
+ }
+}
+
+uint32_t GetYPlaneBpp(GLenum format)
+{
+ switch (format)
+ {
+ case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+ case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+ return 1;
+ case GL_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G16_B16R16_2PLANE_420_UNORM_ANGLE:
+ case GL_G16_B16_R16_3PLANE_420_UNORM_ANGLE:
+ return 2;
+ default:
+ UNREACHABLE();
+ return 0;
+ }
+}
+
+uint32_t GetChromaPlaneBpp(GLenum format)
+{
+ // 2 plane 420 YUV formats have CbCr channels interleaved.
+ // 3 plane 420 YUV formats have separate Cb and Cr planes.
+ switch (format)
+ {
+ case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+ return 1;
+ case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+ case GL_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G16_B16_R16_3PLANE_420_UNORM_ANGLE:
+ return 2;
+ case GL_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G16_B16R16_2PLANE_420_UNORM_ANGLE:
+ return 4;
+ default:
+ UNREACHABLE();
+ return 0;
+ }
+}
+
+void GetSubSampleFactor(GLenum format, int *horizontalSubsampleFactor, int *verticalSubsampleFactor)
+{
+ ASSERT(horizontalSubsampleFactor && verticalSubsampleFactor);
+
+ switch (format)
+ {
+ case GL_G8_B8R8_2PLANE_420_UNORM_ANGLE:
+ case GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE:
+ case GL_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_ANGLE:
+ case GL_G16_B16R16_2PLANE_420_UNORM_ANGLE:
+ case GL_G16_B16_R16_3PLANE_420_UNORM_ANGLE:
+ *horizontalSubsampleFactor = 2;
+ *verticalSubsampleFactor = 2;
+ break;
+ default:
+ UNREACHABLE();
+ break;
+ }
+}
+
+struct FormatBits
+{
+ constexpr GLuint pixelBytes() const
+ {
+ return (red + green + blue + alpha + shared + unused) / 8;
+ }
+ constexpr GLuint componentCount() const
+ {
+ return ((red > 0) ? 1 : 0) + ((green > 0) ? 1 : 0) + ((blue > 0) ? 1 : 0) +
+ ((alpha > 0) ? 1 : 0);
+ }
+ constexpr bool valid() const
+ {
+ return ((red + green + blue + alpha + shared + unused) % 8) == 0;
+ }
+
+ GLuint red;
+ GLuint green;
+ GLuint blue;
+ GLuint alpha;
+ GLuint unused;
+ GLuint shared;
+};
+
+template <GLuint red, GLuint green, GLuint blue, GLuint alpha, GLuint unused, GLuint shared>
+constexpr FormatBits FB()
+{
+ constexpr FormatBits formatBits = {red, green, blue, alpha, unused, shared};
+ static_assert(formatBits.valid(), "Invalid FormatBits");
+ return formatBits;
+}
+
+void AddRGBAXFormat(InternalFormatInfoMap *map,
+ GLenum internalFormat,
+ bool sized,
+ const FormatBits &formatBits,
+ GLenum format,
+ GLenum type,
+ GLenum componentType,
+ bool srgb,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction filterSupport,
+ InternalFormat::SupportCheckFunction textureAttachmentSupport,
+ InternalFormat::SupportCheckFunction renderbufferSupport,
+ InternalFormat::SupportCheckFunction blendSupport)
+{
+ ASSERT(formatBits.valid());
+
+ InternalFormat formatInfo;
+ formatInfo.internalFormat = internalFormat;
+ formatInfo.sized = sized;
+ formatInfo.sizedInternalFormat =
+ sized ? internalFormat : GetSizedFormatInternal(internalFormat, type);
+ formatInfo.redBits = formatBits.red;
+ formatInfo.greenBits = formatBits.green;
+ formatInfo.blueBits = formatBits.blue;
+ formatInfo.alphaBits = formatBits.alpha;
+ formatInfo.sharedBits = formatBits.shared;
+ formatInfo.pixelBytes = formatBits.pixelBytes();
+ formatInfo.componentCount = formatBits.componentCount();
+ formatInfo.format = format;
+ formatInfo.type = type;
+ formatInfo.componentType = componentType;
+ formatInfo.colorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.filterSupport = filterSupport;
+ formatInfo.textureAttachmentSupport = textureAttachmentSupport;
+ formatInfo.renderbufferSupport = renderbufferSupport;
+ formatInfo.blendSupport = blendSupport;
+
+ InsertFormatInfo(map, formatInfo);
+}
+
+void AddRGBAFormat(InternalFormatInfoMap *map,
+ GLenum internalFormat,
+ bool sized,
+ GLuint red,
+ GLuint green,
+ GLuint blue,
+ GLuint alpha,
+ GLuint shared,
+ GLenum format,
+ GLenum type,
+ GLenum componentType,
+ bool srgb,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction filterSupport,
+ InternalFormat::SupportCheckFunction textureAttachmentSupport,
+ InternalFormat::SupportCheckFunction renderbufferSupport,
+ InternalFormat::SupportCheckFunction blendSupport)
+{
+ return AddRGBAXFormat(map, internalFormat, sized, {red, green, blue, alpha, 0, shared}, format,
+ type, componentType, srgb, textureSupport, filterSupport,
+ textureAttachmentSupport, renderbufferSupport, blendSupport);
+}
+
+static void AddLUMAFormat(InternalFormatInfoMap *map,
+ GLenum internalFormat,
+ bool sized,
+ GLuint luminance,
+ GLuint alpha,
+ GLenum format,
+ GLenum type,
+ GLenum componentType,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction filterSupport,
+ InternalFormat::SupportCheckFunction textureAttachmentSupport,
+ InternalFormat::SupportCheckFunction renderbufferSupport,
+ InternalFormat::SupportCheckFunction blendSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.internalFormat = internalFormat;
+ formatInfo.sized = sized;
+ formatInfo.sizedInternalFormat =
+ sized ? internalFormat : GetSizedFormatInternal(internalFormat, type);
+ formatInfo.luminanceBits = luminance;
+ formatInfo.alphaBits = alpha;
+ formatInfo.pixelBytes = (luminance + alpha) / 8;
+ formatInfo.componentCount = ((luminance > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
+ formatInfo.format = format;
+ formatInfo.type = type;
+ formatInfo.componentType = componentType;
+ formatInfo.colorEncoding = GL_LINEAR;
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.filterSupport = filterSupport;
+ formatInfo.textureAttachmentSupport = textureAttachmentSupport;
+ formatInfo.renderbufferSupport = renderbufferSupport;
+ formatInfo.blendSupport = blendSupport;
+
+ InsertFormatInfo(map, formatInfo);
+}
+
+void AddDepthStencilFormat(InternalFormatInfoMap *map,
+ GLenum internalFormat,
+ bool sized,
+ GLuint depthBits,
+ GLuint stencilBits,
+ GLuint unusedBits,
+ GLenum format,
+ GLenum type,
+ GLenum componentType,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction filterSupport,
+ InternalFormat::SupportCheckFunction textureAttachmentSupport,
+ InternalFormat::SupportCheckFunction renderbufferSupport,
+ InternalFormat::SupportCheckFunction blendSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.internalFormat = internalFormat;
+ formatInfo.sized = sized;
+ formatInfo.sizedInternalFormat =
+ sized ? internalFormat : GetSizedFormatInternal(internalFormat, type);
+ formatInfo.depthBits = depthBits;
+ formatInfo.stencilBits = stencilBits;
+ formatInfo.pixelBytes = (depthBits + stencilBits + unusedBits) / 8;
+ formatInfo.componentCount = ((depthBits > 0) ? 1 : 0) + ((stencilBits > 0) ? 1 : 0);
+ formatInfo.format = format;
+ formatInfo.type = type;
+ formatInfo.componentType = componentType;
+ formatInfo.colorEncoding = GL_LINEAR;
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.filterSupport = filterSupport;
+ formatInfo.textureAttachmentSupport = textureAttachmentSupport;
+ formatInfo.renderbufferSupport = renderbufferSupport;
+ formatInfo.blendSupport = blendSupport;
+
+ InsertFormatInfo(map, formatInfo);
+}
+
+void AddCompressedFormat(InternalFormatInfoMap *map,
+ GLenum internalFormat,
+ GLuint compressedBlockWidth,
+ GLuint compressedBlockHeight,
+ GLuint compressedBlockDepth,
+ GLuint compressedBlockSize,
+ GLuint componentCount,
+ bool srgb,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction filterSupport,
+ InternalFormat::SupportCheckFunction textureAttachmentSupport,
+ InternalFormat::SupportCheckFunction renderbufferSupport,
+ InternalFormat::SupportCheckFunction blendSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.internalFormat = internalFormat;
+ formatInfo.sized = true;
+ formatInfo.sizedInternalFormat = internalFormat;
+ formatInfo.compressedBlockWidth = compressedBlockWidth;
+ formatInfo.compressedBlockHeight = compressedBlockHeight;
+ formatInfo.compressedBlockDepth = compressedBlockDepth;
+ formatInfo.pixelBytes = compressedBlockSize / 8;
+ formatInfo.componentCount = componentCount;
+ formatInfo.format = internalFormat;
+ formatInfo.type = GL_UNSIGNED_BYTE;
+ formatInfo.componentType = GL_UNSIGNED_NORMALIZED;
+ formatInfo.colorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
+ formatInfo.compressed = true;
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.filterSupport = filterSupport;
+ formatInfo.textureAttachmentSupport = textureAttachmentSupport;
+ formatInfo.renderbufferSupport = renderbufferSupport;
+ formatInfo.blendSupport = blendSupport;
+
+ InsertFormatInfo(map, formatInfo);
+}
+
+void AddPalettedFormat(InternalFormatInfoMap *map,
+ GLenum internalFormat,
+ GLuint paletteBits,
+ GLuint pixelBytes,
+ GLenum format,
+ GLuint componentCount,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction filterSupport,
+ InternalFormat::SupportCheckFunction textureAttachmentSupport,
+ InternalFormat::SupportCheckFunction renderbufferSupport,
+ InternalFormat::SupportCheckFunction blendSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.internalFormat = internalFormat;
+ formatInfo.sized = true;
+ formatInfo.sizedInternalFormat = internalFormat;
+ formatInfo.paletteBits = paletteBits;
+ formatInfo.pixelBytes = pixelBytes;
+ formatInfo.componentCount = componentCount;
+ formatInfo.format = format;
+ formatInfo.type = GL_UNSIGNED_BYTE;
+ formatInfo.componentType = GL_UNSIGNED_NORMALIZED;
+ formatInfo.colorEncoding = GL_LINEAR;
+ formatInfo.paletted = true;
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.filterSupport = filterSupport;
+ formatInfo.textureAttachmentSupport = textureAttachmentSupport;
+ formatInfo.renderbufferSupport = renderbufferSupport;
+ formatInfo.blendSupport = blendSupport;
+
+ InsertFormatInfo(map, formatInfo);
+}
+
+void AddYUVFormat(InternalFormatInfoMap *map,
+ GLenum internalFormat,
+ bool sized,
+ GLuint cr,
+ GLuint y,
+ GLuint cb,
+ GLuint alpha,
+ GLuint shared,
+ GLenum format,
+ GLenum type,
+ GLenum componentType,
+ bool srgb,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction filterSupport,
+ InternalFormat::SupportCheckFunction textureAttachmentSupport,
+ InternalFormat::SupportCheckFunction renderbufferSupport,
+ InternalFormat::SupportCheckFunction blendSupport)
+{
+ ASSERT(sized);
+
+ InternalFormat formatInfo;
+ formatInfo.internalFormat = internalFormat;
+ formatInfo.sized = sized;
+ formatInfo.sizedInternalFormat = internalFormat;
+ formatInfo.redBits = cr;
+ formatInfo.greenBits = y;
+ formatInfo.blueBits = cb;
+ formatInfo.alphaBits = alpha;
+ formatInfo.sharedBits = shared;
+ formatInfo.pixelBytes = (cr + y + cb + alpha + shared) / 8;
+ formatInfo.componentCount =
+ ((cr > 0) ? 1 : 0) + ((y > 0) ? 1 : 0) + ((cb > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
+ formatInfo.format = format;
+ formatInfo.type = type;
+ formatInfo.componentType = componentType;
+ formatInfo.colorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.filterSupport = filterSupport;
+ formatInfo.textureAttachmentSupport = textureAttachmentSupport;
+ formatInfo.renderbufferSupport = renderbufferSupport;
+ formatInfo.blendSupport = blendSupport;
+
+ InsertFormatInfo(map, formatInfo);
+}
+
+// Notes:
+// 1. "Texture supported" includes all the means by which texture can be created, however,
+// GL_EXT_texture_storage in ES2 is a special case, when only glTexStorage* is allowed.
+// The assumption is that ES2 validation will not check textureSupport for sized formats.
+//
+// 2. Sized half float types are a combination of GL_HALF_FLOAT and GL_HALF_FLOAT_OES support,
+// due to a limitation that only one type for sized formats is allowed.
+//
+// TODO(ynovikov): http://anglebug.com/2846 Verify support fields of BGRA, depth, stencil
+// and compressed formats. Perform texturable check as part of filterable and attachment checks.
+static InternalFormatInfoMap BuildInternalFormatInfoMap()
+{
+ InternalFormatInfoMap map;
+
+ // From ES 3.0.1 spec, table 3.12
+ map[GL_NONE][GL_NONE] = InternalFormat();
+
+ // clang-format off
+
+ // | Internal format |sized| R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddRGBAFormat(&map, GL_R8, true, 8, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, SizedRGSupport, AlwaysSupported, SizedRGSupport, RequireESOrExt<3, 0, &Extensions::textureRgEXT>, RequireESOrExt<3, 0, &Extensions::textureRgEXT>);
+ AddRGBAFormat(&map, GL_R8_SNORM, true, 8, 0, 0, 0, 0, GL_RED, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RG8, true, 8, 8, 0, 0, 0, GL_RG, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, SizedRGSupport, AlwaysSupported, SizedRGSupport, RequireESOrExt<3, 0, &Extensions::textureRgEXT>, RequireESOrExt<3, 0, &Extensions::textureRgEXT>);
+ AddRGBAFormat(&map, GL_RG8_SNORM, true, 8, 8, 0, 0, 0, GL_RG, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB8, true, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, RequireESOrExt<3, 0, &Extensions::rgb8Rgba8OES>, RequireESOrExt<3, 0, &Extensions::rgb8Rgba8OES>);
+ AddRGBAFormat(&map, GL_RGB8_SNORM, true, 8, 8, 8, 0, 0, GL_RGB, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB565, true, 5, 6, 5, 0, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, RequireES<2, 0>, RequireES<2, 0>);
+ AddRGBAFormat(&map, GL_RGBA4, true, 4, 4, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, RequireES<2, 0>, RequireES<2, 0>);
+ AddRGBAFormat(&map, GL_RGB5_A1, true, 5, 5, 5, 1, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, RequireES<2, 0>, RequireES<2, 0>);
+ AddRGBAFormat(&map, GL_RGBA8, true, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorageEXT>, RequireESOrExt<3, 0, &Extensions::rgb8Rgba8OES>, RequireESOrExt<3, 0, &Extensions::rgb8Rgba8OES>);
+ AddRGBAFormat(&map, GL_RGBA8_SNORM, true, 8, 8, 8, 8, 0, GL_RGBA, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB10_A2UI, true, 10, 10, 10, 2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_SRGB8, true, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireES<3, 0>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_SRGB8_ALPHA8, true, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireESOrExt<3, 0, &Extensions::sRGBEXT>, AlwaysSupported, RequireES<3, 0>, RequireESOrExt<3, 0, &Extensions::sRGBEXT>, RequireESOrExt<3, 0, &Extensions::sRGBEXT>);
+ AddRGBAFormat(&map, GL_R11F_G11F_B10F, true, 11, 11, 10, 0, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FLOAT, false, RequireES<3, 0>, AlwaysSupported, RequireExt<&Extensions::colorBufferFloatEXT>, RequireExt<&Extensions::colorBufferFloatEXT>, RequireExt<&Extensions::colorBufferFloatEXT>);
+ AddRGBAFormat(&map, GL_RGB9_E5, true, 9, 9, 9, 0, 5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_FLOAT, false, RequireES<3, 0>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_R8I, true, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_R8UI, true, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_R16I, true, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_R16UI, true, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_R32I, true, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_R32UI, true, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RG8I, true, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RG8UI, true, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RG16I, true, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RG16UI, true, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RG32I, true, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RG32UI, true, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB8I, true, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB8UI, true, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB16I, true, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB16UI, true, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB32I, true, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB32UI, true, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA8I, true, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA8UI, true, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA16I, true, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA16UI, true, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA32I, true, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA32UI, true, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+
+ AddRGBAFormat(&map, GL_BGRA8_EXT, true, 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888EXT>, AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888EXT>, RequireExt<&Extensions::textureFormatBGRA8888EXT>, RequireExt<&Extensions::textureFormatBGRA8888EXT>);
+ AddRGBAFormat(&map, GL_BGRA4_ANGLEX, true, 4, 4, 4, 4, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888EXT>, AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888EXT>, RequireExt<&Extensions::textureFormatBGRA8888EXT>, RequireExt<&Extensions::textureFormatBGRA8888EXT>);
+ AddRGBAFormat(&map, GL_BGR5_A1_ANGLEX, true, 5, 5, 5, 1, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888EXT>, AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888EXT>, RequireExt<&Extensions::textureFormatBGRA8888EXT>, RequireExt<&Extensions::textureFormatBGRA8888EXT>);
+
+ // Special format that is used for D3D textures that are used within ANGLE via the
+ // EGL_ANGLE_d3d_texture_client_buffer extension. We don't allow uploading texture images with
+ // this format, but textures in this format can be created from D3D textures, and filtering them
+ // and rendering to them is allowed.
+ AddRGBAFormat(&map, GL_BGRA8_SRGB_ANGLEX, true, 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, NeverSupported, AlwaysSupported, AlwaysSupported, AlwaysSupported, AlwaysSupported);
+
+ // Special format which is not really supported, so always false for all supports.
+ AddRGBAFormat(&map, GL_BGR565_ANGLEX, true, 5, 6, 5, 0, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_BGR10_A2_ANGLEX, true, 10, 10, 10, 2, 0, GL_BGRA_EXT, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // Special format to emulate RGB8 with RGBA8 within ANGLE.
+ AddRGBAFormat(&map, GL_RGBX8_ANGLE, true, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported, AlwaysSupported, NeverSupported);
+
+ // Special format to emulate BGR8 with BGRA8 within ANGLE.
+ AddRGBAFormat(&map, GL_BGRX8_ANGLEX, true, 8, 8, 8, 0, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, NeverSupported, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // This format is supported on ES 2.0 with two extensions, so keep it out-of-line to not widen the table above even more.
+ // | Internal format |sized| R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddRGBAFormat(&map, GL_RGB10_A2, true, 10, 10, 10, 2, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireESOrExtAndExt<3, 0, &Extensions::textureStorageEXT, &Extensions::textureType2101010REVEXT>, AlwaysSupported, RequireES<3, 0>, RequireES<3, 0>, RequireES<3, 0>);
+
+ // Floating point formats
+ // | Internal format |sized| R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ // It's not possible to have two entries per sized format.
+ // E.g. for GL_RG16F, one with GL_HALF_FLOAT type and the other with GL_HALF_FLOAT_OES type.
+ // So, GL_HALF_FLOAT type formats conditions are merged with GL_HALF_FLOAT_OES type conditions.
+ AddRGBAFormat(&map, GL_R16F, true, 16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT, GL_FLOAT, false, SizedHalfFloatRGSupport, SizedHalfFloatFilterSupport, SizedHalfFloatRGTextureAttachmentSupport, SizedHalfFloatRGRenderbufferSupport, SizedHalfFloatRGRenderbufferSupport);
+ AddRGBAFormat(&map, GL_RG16F, true, 16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT, GL_FLOAT, false, SizedHalfFloatRGSupport, SizedHalfFloatFilterSupport, SizedHalfFloatRGTextureAttachmentSupport, SizedHalfFloatRGRenderbufferSupport, SizedHalfFloatRGRenderbufferSupport);
+ AddRGBAFormat(&map, GL_RGB16F, true, 16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT, GL_FLOAT, false, SizedHalfFloatSupport, SizedHalfFloatFilterSupport, SizedHalfFloatRGBTextureAttachmentSupport, SizedHalfFloatRGBRenderbufferSupport, SizedHalfFloatRGBRenderbufferSupport);
+ AddRGBAFormat(&map, GL_RGBA16F, true, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT, GL_FLOAT, false, SizedHalfFloatSupport, SizedHalfFloatFilterSupport, SizedHalfFloatRGBATextureAttachmentSupport, SizedHalfFloatRGBARenderbufferSupport, SizedHalfFloatRGBARenderbufferSupport);
+ AddRGBAFormat(&map, GL_R32F, true, 32, 0, 0, 0, 0, GL_RED, GL_FLOAT, GL_FLOAT, false, SizedFloatRGSupport, RequireExt<&Extensions::textureFloatLinearOES>, RequireExt<&Extensions::colorBufferFloatEXT>, RequireExt<&Extensions::colorBufferFloatEXT>, Float32BlendableSupport);
+ AddRGBAFormat(&map, GL_RG32F, true, 32, 32, 0, 0, 0, GL_RG, GL_FLOAT, GL_FLOAT, false, SizedFloatRGSupport, RequireExt<&Extensions::textureFloatLinearOES>, RequireExt<&Extensions::colorBufferFloatEXT>, RequireExt<&Extensions::colorBufferFloatEXT>, Float32BlendableSupport);
+ AddRGBAFormat(&map, GL_RGB32F, true, 32, 32, 32, 0, 0, GL_RGB, GL_FLOAT, GL_FLOAT, false, SizedFloatRGBSupport, RequireExt<&Extensions::textureFloatLinearOES>, RequireExt<&Extensions::colorBufferFloatRgbCHROMIUM>, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA32F, true, 32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT, GL_FLOAT, false, SizedFloatRGBASupport, RequireExt<&Extensions::textureFloatLinearOES>, SizedFloatRGBARenderableSupport, SizedFloatRGBARenderableSupport, Float32BlendableSupport);
+
+ // ANGLE Depth stencil formats
+ // | Internal format |sized| D |S | X | Format | Type | Component type | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT16, true, 16, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::depthTextureOES>, RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::depthTextureOES>, RequireES<1, 0>, RequireES<1, 0>, RequireES<1, 0>);
+ AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT24, true, 24, 0, 8, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireES<3, 0>, RequireESOrExt<3, 0, &Extensions::depthTextureANGLE>, RequireES<3, 0>, RequireESOrExt<3, 0, &Extensions::depth24OES>, RequireESOrExt<3, 0, &Extensions::depth24OES>);
+ AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT32F, true, 32, 0, 0, GL_DEPTH_COMPONENT, GL_FLOAT, GL_FLOAT, RequireES<3, 0>, RequireESOrExt<3, 0, &Extensions::depthTextureANGLE>, RequireES<3, 0>, RequireES<3, 0>, RequireES<3, 0>);
+ AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT32_OES, true, 32, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>, AlwaysSupported, RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>, RequireExtOrExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES, &Extensions::depth32OES>, RequireExtOrExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES, &Extensions::depth32OES>);
+ AddDepthStencilFormat(&map, GL_DEPTH24_STENCIL8, true, 24, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_UNSIGNED_NORMALIZED, RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::packedDepthStencilOES>, AlwaysSupported, RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::packedDepthStencilOES>, RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::packedDepthStencilOES>, RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::packedDepthStencilOES>);
+ AddDepthStencilFormat(&map, GL_DEPTH32F_STENCIL8, true, 32, 8, 24, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT, RequireESOrExt<3, 0, &Extensions::depthBufferFloat2NV>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::depthBufferFloat2NV>, RequireESOrExt<3, 0, &Extensions::depthBufferFloat2NV>, RequireESOrExt<3, 0, &Extensions::depthBufferFloat2NV>);
+ // STENCIL_INDEX8 is special-cased, see around the bottom of the list.
+
+ // Luminance alpha formats
+ // | Internal format |sized| L | A | Format | Type | Component type | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddLUMAFormat(&map, GL_ALPHA8_EXT, true, 0, 8, GL_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorageEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_LUMINANCE8_EXT, true, 8, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorageEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_LUMINANCE8_ALPHA8_EXT, true, 8, 8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorageEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_ALPHA16F_EXT, true, 0, 16, GL_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorageEXT, &Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_LUMINANCE16F_EXT, true, 16, 0, GL_LUMINANCE, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorageEXT, &Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_LUMINANCE_ALPHA16F_EXT, true, 16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorageEXT, &Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_ALPHA32F_EXT, true, 0, 32, GL_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorageEXT, &Extensions::textureFloatOES>, RequireExt<&Extensions::textureFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_LUMINANCE32F_EXT, true, 32, 0, GL_LUMINANCE, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorageEXT, &Extensions::textureFloatOES>, RequireExt<&Extensions::textureFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_LUMINANCE_ALPHA32F_EXT, true, 32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorageEXT, &Extensions::textureFloatOES>, RequireExt<&Extensions::textureFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+
+ // Compressed formats, From ES 3.0.1 spec, table 3.16
+ // | Internal format |W |H |D | BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddCompressedFormat(&map, GL_COMPRESSED_R11_EAC, 4, 4, 1, 64, 1, false, ETC2EACSupport<&Extensions::compressedEACR11UnsignedTextureOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SIGNED_R11_EAC, 4, 4, 1, 64, 1, false, ETC2EACSupport<&Extensions::compressedEACR11SignedTextureOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RG11_EAC, 4, 4, 1, 128, 2, false, ETC2EACSupport<&Extensions::compressedEACRG11UnsignedTextureOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SIGNED_RG11_EAC, 4, 4, 1, 128, 2, false, ETC2EACSupport<&Extensions::compressedEACRG11SignedTextureOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGB8_ETC2, 4, 4, 1, 64, 3, false, ETC2EACSupport<&Extensions::compressedETC2RGB8TextureOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ETC2, 4, 4, 1, 64, 3, true, ETC2EACSupport<&Extensions::compressedETC2SRGB8TextureOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, 4, 4, 1, 64, 4, false, ETC2EACSupport<&Extensions::compressedETC2PunchthroughARGBA8TextureOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, 4, 4, 1, 64, 4, true, ETC2EACSupport<&Extensions::compressedETC2PunchthroughASRGB8AlphaTextureOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA8_ETC2_EAC, 4, 4, 1, 128, 4, false, ETC2EACSupport<&Extensions::compressedETC2RGBA8TextureOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, 4, 4, 1, 128, 4, true, ETC2EACSupport<&Extensions::compressedETC2SRGB8Alpha8TextureOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From GL_EXT_texture_compression_dxt1
+ // | Internal format |W |H |D | BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddCompressedFormat(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4, 1, 64, 3, false, RequireExt<&Extensions::textureCompressionDxt1EXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 4, 4, 1, 64, 4, false, RequireExt<&Extensions::textureCompressionDxt1EXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From GL_ANGLE_texture_compression_dxt3
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, 4, 4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionDxt3ANGLE>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From GL_ANGLE_texture_compression_dxt5
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, 4, 4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionDxt5ANGLE>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From GL_OES_compressed_ETC1_RGB8_texture
+ AddCompressedFormat(&map, GL_ETC1_RGB8_OES, 4, 4, 1, 64, 3, false, RequireExt<&Extensions::compressedETC1RGB8TextureOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From GL_EXT_texture_compression_s3tc_srgb
+ // | Internal format |W |H |D | BS |CC|SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 4, 4, 1, 64, 3, true, RequireExt<&Extensions::textureCompressionS3tcSrgbEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 4, 4, 1, 64, 4, true, RequireExt<&Extensions::textureCompressionS3tcSrgbEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 4, 4, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionS3tcSrgbEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 4, 4, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionS3tcSrgbEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From GL_KHR_texture_compression_astc_ldr and KHR_texture_compression_astc_hdr and GL_OES_texture_compression_astc
+ // | Internal format | W | H |D | BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_4x4_KHR, 4, 4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x4_KHR, 5, 4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x5_KHR, 5, 5, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x5_KHR, 6, 5, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x6_KHR, 6, 6, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_8x5_KHR, 8, 5, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_8x6_KHR, 8, 6, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_8x8_KHR, 8, 8, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x5_KHR, 10, 5, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x6_KHR, 10, 6, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x8_KHR, 10, 8, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x10_KHR, 10, 10, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_12x10_KHR, 12, 10, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_12x12_KHR, 12, 12, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, 4, 4, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, 5, 4, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, 5, 5, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, 6, 5, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, 6, 6, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, 8, 5, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, 8, 6, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, 8, 8, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, 10, 5, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, 10, 6, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, 10, 8, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, 10, 10, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, 12, 10, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, 12, 12, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcLdrKHR>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_3x3x3_OES, 3, 3, 3, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_4x3x3_OES, 4, 3, 3, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_4x4x3_OES, 4, 4, 3, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_4x4x4_OES, 4, 4, 4, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x4x4_OES, 5, 4, 4, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x5x4_OES, 5, 5, 4, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x5x5_OES, 5, 5, 5, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x5x5_OES, 6, 5, 5, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x6x5_OES, 6, 6, 5, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x6x6_OES, 6, 6, 6, 128, 4, false, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES, 3, 3, 3, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES, 4, 3, 3, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES, 4, 4, 3, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES, 4, 4, 4, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES, 5, 4, 4, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES, 5, 5, 4, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES, 5, 5, 5, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES, 6, 5, 5, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES, 6, 6, 5, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES, 6, 6, 6, 128, 4, true, RequireExt<&Extensions::textureCompressionAstcOES>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From EXT_texture_compression_rgtc
+ // | Internal format | W | H |D | BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddCompressedFormat(&map, GL_COMPRESSED_RED_RGTC1_EXT, 4, 4, 1, 64, 1, false, RequireExt<&Extensions::textureCompressionRgtcEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SIGNED_RED_RGTC1_EXT, 4, 4, 1, 64, 1, false, RequireExt<&Extensions::textureCompressionRgtcEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RED_GREEN_RGTC2_EXT, 4, 4, 1, 128, 2, false, RequireExt<&Extensions::textureCompressionRgtcEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT, 4, 4, 1, 128, 2, false, RequireExt<&Extensions::textureCompressionRgtcEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From EXT_texture_compression_bptc
+ // | Internal format | W | H |D | BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_BPTC_UNORM_EXT, 4, 4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionBptcEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT, 4, 4, 1, 128, 4, true, RequireExt<&Extensions::textureCompressionBptcEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT, 4, 4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionBptcEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT, 4, 4, 1, 128, 4, false, RequireExt<&Extensions::textureCompressionBptcEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // Paletted formats
+ // | Internal format | | PS | Format | CC | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddPalettedFormat(&map, GL_PALETTE4_RGB8_OES, 4, 3, GL_RGB, 3, RequireES1, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddPalettedFormat(&map, GL_PALETTE4_RGBA8_OES, 4, 4, GL_RGBA, 4, RequireES1, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddPalettedFormat(&map, GL_PALETTE4_R5_G6_B5_OES, 4, 2, GL_RGB, 3, RequireES1, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddPalettedFormat(&map, GL_PALETTE4_RGBA4_OES, 4, 2, GL_RGBA, 4, RequireES1, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddPalettedFormat(&map, GL_PALETTE4_RGB5_A1_OES, 4, 2, GL_RGBA, 4, RequireES1, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddPalettedFormat(&map, GL_PALETTE8_RGB8_OES, 8, 3, GL_RGB, 3, RequireES1, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddPalettedFormat(&map, GL_PALETTE8_RGBA8_OES, 8, 4, GL_RGBA, 4, RequireES1, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddPalettedFormat(&map, GL_PALETTE8_R5_G6_B5_OES, 8, 2, GL_RGB, 3, RequireES1, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddPalettedFormat(&map, GL_PALETTE8_RGBA4_OES, 8, 2, GL_RGBA, 4, RequireES1, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddPalettedFormat(&map, GL_PALETTE8_RGB5_A1_OES, 8, 2, GL_RGBA, 4, RequireES1, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From GL_IMG_texture_compression_pvrtc
+ // | Internal format | W | H | D | BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddCompressedFormat(&map, GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, 4, 4, 1, 64, 3, false, RequireExt<&Extensions::textureCompressionPvrtcIMG>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG, 8, 4, 1, 64, 3, false, RequireExt<&Extensions::textureCompressionPvrtcIMG>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, 4, 4, 1, 64, 4, false, RequireExt<&Extensions::textureCompressionPvrtcIMG>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG, 8, 4, 1, 64, 4, false, RequireExt<&Extensions::textureCompressionPvrtcIMG>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From GL_EXT_pvrtc_sRGB
+ // | Internal format | W | H | D | BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT, 8, 4, 1, 64, 3, true, RequireExtAndExt<&Extensions::textureCompressionPvrtcIMG, &Extensions::pvrtcSRGBEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT, 4, 4, 1, 64, 3, true, RequireExtAndExt<&Extensions::textureCompressionPvrtcIMG, &Extensions::pvrtcSRGBEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT, 8, 4, 1, 64, 4, true, RequireExtAndExt<&Extensions::textureCompressionPvrtcIMG, &Extensions::pvrtcSRGBEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT, 4, 4, 1, 64, 4, true, RequireExtAndExt<&Extensions::textureCompressionPvrtcIMG, &Extensions::pvrtcSRGBEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // For STENCIL_INDEX8 we chose a normalized component type for the following reasons:
+ // - Multisampled buffer are disallowed for non-normalized integer component types and we want to support it for STENCIL_INDEX8
+ // - All other stencil formats (all depth-stencil) are either float or normalized
+ // - It affects only validation of internalformat in RenderbufferStorageMultisample.
+ // | Internal format |sized|D |S |X | Format | Type | Component type | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddDepthStencilFormat(&map, GL_STENCIL_INDEX8, true, 0, 8, 0, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireESOrExt<1, 0, &Extensions::textureStencil8OES>, NeverSupported, RequireESOrExt<1, 0, &Extensions::textureStencil8OES>, RequireES<1, 0>, RequireES<1, 0>);
+
+ // From GL_ANGLE_lossy_etc_decode
+ // | Internal format |W |H |D |BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddCompressedFormat(&map, GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, 4, 4, 1, 64, 3, false, RequireExt<&Extensions::lossyEtcDecodeANGLE>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 1, 64, 3, false, RequireExt<&Extensions::lossyEtcDecodeANGLE>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 1, 64, 3, true, RequireExt<&Extensions::lossyEtcDecodeANGLE>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 1, 64, 3, false, RequireExt<&Extensions::lossyEtcDecodeANGLE>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 1, 64, 3, true, RequireExt<&Extensions::lossyEtcDecodeANGLE>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From GL_EXT_texture_norm16
+ // | Internal format |sized| R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddRGBAFormat(&map, GL_R16_EXT, true, 16, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, RequireExt<&Extensions::textureNorm16EXT>, RequireExt<&Extensions::textureNorm16EXT>, RequireExt<&Extensions::textureNorm16EXT>);
+ AddRGBAFormat(&map, GL_R16_SNORM_EXT, true, 16, 0, 0, 0, 0, GL_RED, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RG16_EXT, true, 16, 16, 0, 0, 0, GL_RG, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, RequireExt<&Extensions::textureNorm16EXT>, RequireExt<&Extensions::textureNorm16EXT>, RequireExt<&Extensions::textureNorm16EXT>);
+ AddRGBAFormat(&map, GL_RG16_SNORM_EXT, true, 16, 16, 0, 0, 0, GL_RG, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB16_EXT, true, 16, 16, 16, 0, 0, GL_RGB, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB16_SNORM_EXT, true, 16, 16, 16, 0, 0, GL_RGB, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA16_EXT, true, 16, 16, 16, 16, 0, GL_RGBA, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, RequireExt<&Extensions::textureNorm16EXT>, RequireExt<&Extensions::textureNorm16EXT>, RequireExt<&Extensions::textureNorm16EXT>);
+ AddRGBAFormat(&map, GL_RGBA16_SNORM_EXT, true, 16, 16, 16, 16, 0, GL_RGBA, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From EXT_texture_sRGB_R8
+ // | Internal format |sized| R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddRGBAFormat(&map, GL_SR8_EXT, true, 8, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireExt<&Extensions::textureSRGBR8EXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From EXT_texture_sRGB_RG8
+ // | Internal format |sized| R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddRGBAFormat(&map, GL_SRG8_EXT, true, 8, 8, 0, 0, 0, GL_RG, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireExt<&Extensions::textureSRGBRG8EXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // From GL_EXT_texture_type_2_10_10_10_REV
+ // GL_RGB10_UNORM_ANGLEX is never used directly but needs to be in the list of all sized internal formats so that the backends can determine support.
+ // | Internal format |sized| R | G | B | A |S |X | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddRGBAXFormat(&map, GL_RGB10_UNORM_ANGLEX, true, FB<10, 10, 10, 0, 0, 2>(), GL_RGB, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // Unsized formats
+ // | Internal format |sized | R | G | B | A |S |X | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddRGBAXFormat(&map, GL_RED, false, FB< 8, 0, 0, 0, 0, 0>(), GL_RED, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureRgEXT>, AlwaysSupported, RequireExt<&Extensions::textureRgEXT>, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RED, false, FB< 8, 0, 0, 0, 0, 0>(), GL_RED, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RED, false, FB<16, 0, 0, 0, 0, 0>(), GL_RED, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, RequireExt<&Extensions::textureNorm16EXT>, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RG, false, FB< 8, 8, 0, 0, 0, 0>(), GL_RG, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureRgEXT>, AlwaysSupported, RequireExt<&Extensions::textureRgEXT>, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RG, false, FB< 8, 8, 0, 0, 0, 0>(), GL_RG, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RG, false, FB<16, 16, 0, 0, 0, 0>(), GL_RG, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, RequireExt<&Extensions::textureNorm16EXT>, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RGB, false, FB< 8, 8, 8, 0, 0, 0>(), GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, RequireESOrExt<2, 0, &Extensions::framebufferObjectOES>, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RGB, false, FB< 5, 6, 5, 0, 0, 0>(), GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, RequireESOrExt<2, 0, &Extensions::framebufferObjectOES>, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RGB, false, FB< 8, 8, 8, 0, 0, 0>(), GL_RGB, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RGB, false, FB<10, 10, 10, 0, 0, 2>(), GL_RGB, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureType2101010REVEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RGBA, false, FB< 4, 4, 4, 4, 0, 0>(), GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, RequireESOrExt<2, 0, &Extensions::framebufferObjectOES>, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RGBA, false, FB< 5, 5, 5, 1, 0, 0>(), GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, RequireESOrExt<2, 0, &Extensions::framebufferObjectOES>, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RGBA, false, FB< 8, 8, 8, 8, 0, 0>(), GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, RequireESOrExt<2, 0, &Extensions::framebufferObjectOES>, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RGBA, false, FB<16, 16, 16, 16, 0, 0>(), GL_RGBA, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16EXT>, AlwaysSupported, RequireExt<&Extensions::textureNorm16EXT>, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RGBA, false, FB<10, 10, 10, 2, 0, 0>(), GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureType2101010REVEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_RGBA, false, FB< 8, 8, 8, 8, 0, 0>(), GL_RGBA, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_SRGB, false, FB< 8, 8, 8, 0, 0, 0>(), GL_SRGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireExt<&Extensions::sRGBEXT>, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAXFormat(&map, GL_SRGB_ALPHA_EXT, false, FB< 8, 8, 8, 8, 0, 0>(), GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireExt<&Extensions::sRGBEXT>, AlwaysSupported, RequireExt<&Extensions::sRGBEXT>, NeverSupported, NeverSupported);
+#if (defined(ANGLE_PLATFORM_IOS) && !defined(ANGLE_PLATFORM_MACCATALYST)) || (defined(ANGLE_PLATFORM_MACCATALYST) && defined(ANGLE_CPU_ARM64))
+ angle::SystemInfo info;
+ if (angle::GetSystemInfo(&info))
+ {
+ if (info.needsEAGLOnMac)
+ {
+ // Using OpenGLES.framework.
+ AddRGBAFormat(&map, GL_BGRA_EXT, false, 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, AlwaysSupported, RequireES<2, 0>, NeverSupported, NeverSupported);
+ }
+ else
+ {
+ // Using OpenGL.framework.
+ AddRGBAFormat(&map, GL_BGRA_EXT, false, 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888EXT>, AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888EXT>, NeverSupported, NeverSupported);
+ }
+ }
+#else
+ AddRGBAFormat(&map, GL_BGRA_EXT, false, 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888EXT>, AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888EXT>, NeverSupported, NeverSupported);
+#endif
+
+ // Unsized integer formats
+ // |Internal format |sized | R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddRGBAFormat(&map, GL_RED_INTEGER, false, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RED_INTEGER, false, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RED_INTEGER, false, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RED_INTEGER, false, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RED_INTEGER, false, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RED_INTEGER, false, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RG_INTEGER, false, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RG_INTEGER, false, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RG_INTEGER, false, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RG_INTEGER, false, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RG_INTEGER, false, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RG_INTEGER, false, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB_INTEGER, false, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB_INTEGER, false, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB_INTEGER, false, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB_INTEGER, false, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB_INTEGER, false, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB_INTEGER, false, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 10, 10, 10, 2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+
+ // Unsized floating point formats
+ // |Internal format |sized | R | G | B | A |S | Format | Type | Comp | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddRGBAFormat(&map, GL_RED, false, 16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RG, false, 16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB, false, 16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA, false, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RED, false, 16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT_OES, GL_FLOAT, false, RequireExtAndExt<&Extensions::textureHalfFloatOES, &Extensions::textureRgEXT>, RequireExt<&Extensions::textureHalfFloatLinearOES>, AlwaysSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RG, false, 16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT_OES, GL_FLOAT, false, RequireExtAndExt<&Extensions::textureHalfFloatOES, &Extensions::textureRgEXT>, RequireExt<&Extensions::textureHalfFloatLinearOES>, AlwaysSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB, false, 16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT_OES, GL_FLOAT, false, RequireExt<&Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, RequireExt<&Extensions::colorBufferHalfFloatEXT>, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA, false, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT_OES, GL_FLOAT, false, RequireExt<&Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, RequireExt<&Extensions::colorBufferHalfFloatEXT>, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RED, false, 32, 0, 0, 0, 0, GL_RED, GL_FLOAT, GL_FLOAT, false, RequireExtAndExt<&Extensions::textureFloatOES, &Extensions::textureRgEXT>, RequireExt<&Extensions::textureFloatLinearOES>, AlwaysSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RG, false, 32, 32, 0, 0, 0, GL_RG, GL_FLOAT, GL_FLOAT, false, RequireExtAndExt<&Extensions::textureFloatOES, &Extensions::textureRgEXT>, RequireExt<&Extensions::textureFloatLinearOES>, AlwaysSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB, false, 32, 32, 32, 0, 0, GL_RGB, GL_FLOAT, GL_FLOAT, false, RequireExt<&Extensions::textureFloatOES>, RequireExt<&Extensions::textureFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB, false, 9, 9, 9, 0, 5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB, false, 11, 11, 10, 0, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA, false, 32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT, GL_FLOAT, false, RequireExt<&Extensions::textureFloatOES>, RequireExt<&Extensions::textureFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+
+ // Unsized luminance alpha formats
+ // | Internal format |sized | L | A | Format | Type | Component type | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddLUMAFormat(&map, GL_ALPHA, false, 0, 8, GL_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, AlwaysSupported, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_LUMINANCE, false, 8, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, AlwaysSupported, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_LUMINANCE_ALPHA, false, 8, 8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, AlwaysSupported, AlwaysSupported, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_ALPHA, false, 0, 16, GL_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExt<&Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_LUMINANCE, false, 16, 0, GL_LUMINANCE, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExt<&Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_LUMINANCE_ALPHA, false, 16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExt<&Extensions::textureHalfFloatOES>, RequireExt<&Extensions::textureHalfFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_ALPHA, false, 0, 32, GL_ALPHA, GL_FLOAT, GL_FLOAT, RequireExt<&Extensions::textureFloatOES>, RequireExt<&Extensions::textureFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_LUMINANCE, false, 32, 0, GL_LUMINANCE, GL_FLOAT, GL_FLOAT, RequireExt<&Extensions::textureFloatOES>, RequireExt<&Extensions::textureFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+ AddLUMAFormat(&map, GL_LUMINANCE_ALPHA, false, 32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_FLOAT, RequireExt<&Extensions::textureFloatOES>, RequireExt<&Extensions::textureFloatLinearOES>, NeverSupported, NeverSupported, NeverSupported);
+
+ // Unsized depth stencil formats
+ // | Internal format |sized | D |S | X | Format | Type | Component type | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 16, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, RequireES<1, 0>, AlwaysSupported, RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>, RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>, RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>);
+ AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 24, 0, 8, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireES<1, 0>, AlwaysSupported, RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>, RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>, RequireExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES>);
+ AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 32, 0, 0, GL_DEPTH_COMPONENT, GL_FLOAT, GL_FLOAT, RequireES<1, 0>, AlwaysSupported, RequireES<1, 0>, RequireES<1, 0>, RequireES<1, 0>);
+ AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 24, 8, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT_24_8, GL_UNSIGNED_NORMALIZED, RequireESOrExt<3, 0, &Extensions::packedDepthStencilOES>, AlwaysSupported, RequireExtAndExt<&Extensions::packedDepthStencilOES, &Extensions::depthTextureANGLE>, RequireExtAndExt<&Extensions::packedDepthStencilOES, &Extensions::depthTextureANGLE>, RequireExtAndExt<&Extensions::packedDepthStencilOES, &Extensions::depthTextureANGLE>);
+ AddDepthStencilFormat(&map, GL_DEPTH_STENCIL, false, 24, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_UNSIGNED_NORMALIZED, RequireESOrExt<3, 0, &Extensions::packedDepthStencilOES>, AlwaysSupported, RequireExtAndExt<&Extensions::packedDepthStencilOES, &Extensions::depthTextureANGLE>, RequireExtAndExt<&Extensions::packedDepthStencilOES, &Extensions::depthTextureANGLE>, RequireExtAndExt<&Extensions::packedDepthStencilOES, &Extensions::depthTextureANGLE>);
+ AddDepthStencilFormat(&map, GL_DEPTH_STENCIL, false, 32, 8, 24, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT, RequireESOrExt<3, 0, &Extensions::packedDepthStencilOES>, AlwaysSupported, RequireExt<&Extensions::packedDepthStencilOES>, RequireExt<&Extensions::packedDepthStencilOES>, RequireExt<&Extensions::packedDepthStencilOES>);
+ AddDepthStencilFormat(&map, GL_STENCIL, false, 0, 8, 0, GL_STENCIL, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<1, 0>, NeverSupported , RequireES<1, 0>, RequireES<1, 0>, RequireES<1, 0>);
+ AddDepthStencilFormat(&map, GL_STENCIL_INDEX, false, 0, 8, 0, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<3, 1>, NeverSupported , RequireES<3, 1>, RequireES<3, 1>, RequireES<3, 1>);
+
+ // Non-standard YUV formats
+ // | Internal format | sized | Cr | Y | Cb | A | S | Format | Type | Comp | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | Blend
+ AddYUVFormat(&map, GL_G8_B8R8_2PLANE_420_UNORM_ANGLE, true, 8, 8, 8, 0, 0, GL_G8_B8R8_2PLANE_420_UNORM_ANGLE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::yuvInternalFormatANGLE>, RequireExt<&Extensions::yuvInternalFormatANGLE>, RequireExt<&Extensions::yuvInternalFormatANGLE>, NeverSupported, NeverSupported);
+ AddYUVFormat(&map, GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE, true, 8, 8, 8, 0, 0, GL_G8_B8_R8_3PLANE_420_UNORM_ANGLE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::yuvInternalFormatANGLE>, RequireExt<&Extensions::yuvInternalFormatANGLE>, RequireExt<&Extensions::yuvInternalFormatANGLE>, NeverSupported, NeverSupported);
+
+#if defined(ANGLE_PLATFORM_LINUX)
+ // From GL_OES_required_internalformat
+ // The |shared| bit shouldn't be 2. But given this hits assertion when bits
+ // are checked, it's fine to have this bit set as 2 as a workaround.
+ AddRGBAFormat(&map, GL_RGB10_EXT, true, 10, 10, 10, 0, 2, GL_RGB, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireES<1, 0>, NeverSupported, RequireES<1, 0>, RequireES<1, 0>, NeverSupported);
+#endif
+ // clang-format on
+
+ return map;
+}
+
+const InternalFormatInfoMap &GetInternalFormatMap()
+{
+ static const angle::base::NoDestructor<InternalFormatInfoMap> formatMap(
+ BuildInternalFormatInfoMap());
+ return *formatMap;
+}
+
+int GetAndroidHardwareBufferFormatFromChannelSizes(const egl::AttributeMap &attribMap)
+{
+ // Retrieve channel size from attribute map. The default value should be 0, per spec.
+ GLuint redSize = static_cast<GLuint>(attribMap.getAsInt(EGL_RED_SIZE, 0));
+ GLuint greenSize = static_cast<GLuint>(attribMap.getAsInt(EGL_GREEN_SIZE, 0));
+ GLuint blueSize = static_cast<GLuint>(attribMap.getAsInt(EGL_BLUE_SIZE, 0));
+ GLuint alphaSize = static_cast<GLuint>(attribMap.getAsInt(EGL_ALPHA_SIZE, 0));
+
+ GLenum glInternalFormat = 0;
+ for (GLenum sizedInternalFormat : angle::android::kSupportedSizedInternalFormats)
+ {
+ const gl::InternalFormat &internalFormat = GetSizedInternalFormatInfo(sizedInternalFormat);
+ ASSERT(internalFormat.internalFormat != GL_NONE && internalFormat.sized);
+
+ if (internalFormat.isChannelSizeCompatible(redSize, greenSize, blueSize, alphaSize))
+ {
+ glInternalFormat = sizedInternalFormat;
+ break;
+ }
+ }
+
+ return (glInternalFormat != 0)
+ ? angle::android::GLInternalFormatToNativePixelFormat(glInternalFormat)
+ : 0;
+}
+
+GLenum GetConfigColorBufferFormat(const egl::Config *config)
+{
+ GLenum componentType = GL_NONE;
+ switch (config->colorComponentType)
+ {
+ case EGL_COLOR_COMPONENT_TYPE_FIXED_EXT:
+ componentType = GL_UNSIGNED_NORMALIZED;
+ break;
+ case EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT:
+ componentType = GL_FLOAT;
+ break;
+ default:
+ UNREACHABLE();
+ return GL_NONE;
+ }
+
+ GLenum colorEncoding = GL_LINEAR;
+
+ for (GLenum sizedInternalFormat : GetAllSizedInternalFormats())
+ {
+ const gl::InternalFormat &internalFormat = GetSizedInternalFormatInfo(sizedInternalFormat);
+
+ if (internalFormat.componentType == componentType &&
+ internalFormat.colorEncoding == colorEncoding &&
+ internalFormat.isChannelSizeCompatible(config->redSize, config->greenSize,
+ config->blueSize, config->alphaSize))
+ {
+ return sizedInternalFormat;
+ }
+ }
+
+ // Only expect to get here if there is no color bits in the config
+ ASSERT(config->redSize == 0 && config->greenSize == 0 && config->blueSize == 0 &&
+ config->alphaSize == 0);
+ return GL_NONE;
+}
+
+GLenum GetConfigDepthStencilBufferFormat(const egl::Config *config)
+{
+ GLenum componentType = GL_UNSIGNED_NORMALIZED;
+
+ for (GLenum sizedInternalFormat : GetAllSizedInternalFormats())
+ {
+ const gl::InternalFormat &internalFormat = GetSizedInternalFormatInfo(sizedInternalFormat);
+
+ if (internalFormat.componentType == componentType &&
+ static_cast<EGLint>(internalFormat.depthBits) == config->depthSize &&
+ static_cast<EGLint>(internalFormat.stencilBits) == config->stencilSize)
+ {
+ return sizedInternalFormat;
+ }
+ }
+
+ // Only expect to get here if there is no depth or stencil bits in the config
+ ASSERT(config->depthSize == 0 && config->stencilSize == 0);
+ return GL_NONE;
+}
+
+static FormatSet BuildAllSizedInternalFormatSet()
+{
+ FormatSet result;
+
+ for (const auto &internalFormat : GetInternalFormatMap())
+ {
+ for (const auto &type : internalFormat.second)
+ {
+ if (type.second.sized)
+ {
+ // TODO(jmadill): Fix this hack.
+ if (internalFormat.first == GL_BGR565_ANGLEX)
+ continue;
+
+ result.insert(internalFormat.first);
+ }
+ }
+ }
+
+ return result;
+}
+
+uint32_t GetPackedTypeInfo(GLenum type)
+{
+ switch (type)
+ {
+ case GL_UNSIGNED_BYTE:
+ case GL_BYTE:
+ {
+ static constexpr uint32_t kPacked = PackTypeInfo(1, false);
+ return kPacked;
+ }
+ case GL_UNSIGNED_SHORT:
+ case GL_SHORT:
+ case GL_HALF_FLOAT:
+ case GL_HALF_FLOAT_OES:
+ {
+ static constexpr uint32_t kPacked = PackTypeInfo(2, false);
+ return kPacked;
+ }
+ case GL_UNSIGNED_INT:
+ case GL_INT:
+ case GL_FLOAT:
+ {
+ static constexpr uint32_t kPacked = PackTypeInfo(4, false);
+ return kPacked;
+ }
+ case GL_UNSIGNED_SHORT_5_6_5:
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+ {
+ static constexpr uint32_t kPacked = PackTypeInfo(2, true);
+ return kPacked;
+ }
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ case GL_UNSIGNED_INT_24_8:
+ case GL_UNSIGNED_INT_10F_11F_11F_REV:
+ case GL_UNSIGNED_INT_5_9_9_9_REV:
+ {
+ ASSERT(GL_UNSIGNED_INT_24_8_OES == GL_UNSIGNED_INT_24_8);
+ static constexpr uint32_t kPacked = PackTypeInfo(4, true);
+ return kPacked;
+ }
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ {
+ static constexpr uint32_t kPacked = PackTypeInfo(8, true);
+ return kPacked;
+ }
+ default:
+ {
+ return 0;
+ }
+ }
+}
+
+const InternalFormat &GetSizedInternalFormatInfo(GLenum internalFormat)
+{
+ static const InternalFormat defaultInternalFormat;
+ const InternalFormatInfoMap &formatMap = GetInternalFormatMap();
+ auto iter = formatMap.find(internalFormat);
+
+ // Sized internal formats only have one type per entry
+ if (iter == formatMap.end() || iter->second.size() != 1)
+ {
+ return defaultInternalFormat;
+ }
+
+ const InternalFormat &internalFormatInfo = iter->second.begin()->second;
+ if (!internalFormatInfo.sized)
+ {
+ return defaultInternalFormat;
+ }
+
+ return internalFormatInfo;
+}
+
+const InternalFormat &GetInternalFormatInfo(GLenum internalFormat, GLenum type)
+{
+ static const InternalFormat defaultInternalFormat;
+ const InternalFormatInfoMap &formatMap = GetInternalFormatMap();
+
+ auto internalFormatIter = formatMap.find(internalFormat);
+ if (internalFormatIter == formatMap.end())
+ {
+ return defaultInternalFormat;
+ }
+
+ // If the internal format is sized, simply return it without the type check.
+ if (internalFormatIter->second.size() == 1 && internalFormatIter->second.begin()->second.sized)
+ {
+ return internalFormatIter->second.begin()->second;
+ }
+
+ auto typeIter = internalFormatIter->second.find(type);
+ if (typeIter == internalFormatIter->second.end())
+ {
+ return defaultInternalFormat;
+ }
+
+ return typeIter->second;
+}
+
+GLuint InternalFormat::computePixelBytes(GLenum formatType) const
+{
+ const auto &typeInfo = GetTypeInfo(formatType);
+ GLuint components = typeInfo.specialInterpretation ? 1u : componentCount;
+ return components * typeInfo.bytes;
+}
+
+bool InternalFormat::computeBufferRowLength(uint32_t width, uint32_t *resultOut) const
+{
+ CheckedNumeric<GLuint> checkedWidth(width);
+
+ if (compressed)
+ {
+ angle::CheckedNumeric<uint32_t> checkedRowLength =
+ rx::CheckedRoundUp<uint32_t>(width, compressedBlockWidth);
+
+ return CheckedMathResult(checkedRowLength, resultOut);
+ }
+
+ return CheckedMathResult(checkedWidth, resultOut);
+}
+
+bool InternalFormat::computeBufferImageHeight(uint32_t height, uint32_t *resultOut) const
+{
+ CheckedNumeric<GLuint> checkedHeight(height);
+
+ if (compressed)
+ {
+ angle::CheckedNumeric<uint32_t> checkedImageHeight =
+ rx::CheckedRoundUp<uint32_t>(height, compressedBlockHeight);
+
+ return CheckedMathResult(checkedImageHeight, resultOut);
+ }
+
+ return CheckedMathResult(checkedHeight, resultOut);
+}
+
+bool InternalFormat::computePalettedImageRowPitch(GLsizei width, GLuint *resultOut) const
+{
+ ASSERT(paletted);
+ switch (paletteBits)
+ {
+ case 4:
+ *resultOut = (width + 1) / 2;
+ return true;
+ case 8:
+ *resultOut = width;
+ return true;
+ default:
+ UNREACHABLE();
+ return false;
+ }
+}
+
+bool InternalFormat::computeRowPitch(GLenum formatType,
+ GLsizei width,
+ GLint alignment,
+ GLint rowLength,
+ GLuint *resultOut) const
+{
+ if (paletted)
+ {
+ return computePalettedImageRowPitch(width, resultOut);
+ }
+
+ // Compressed images do not use pack/unpack parameters (rowLength).
+ if (compressed)
+ {
+ return computeCompressedImageSize(Extents(width, 1, 1), resultOut);
+ }
+
+ CheckedNumeric<GLuint> checkedWidth(rowLength > 0 ? rowLength : width);
+ CheckedNumeric<GLuint> checkedRowBytes = checkedWidth * computePixelBytes(formatType);
+
+ ASSERT(alignment > 0 && isPow2(alignment));
+ CheckedNumeric<GLuint> checkedAlignment(alignment);
+ auto aligned = rx::roundUp(checkedRowBytes, checkedAlignment);
+ return CheckedMathResult(aligned, resultOut);
+}
+
+bool InternalFormat::computeDepthPitch(GLsizei height,
+ GLint imageHeight,
+ GLuint rowPitch,
+ GLuint *resultOut) const
+{
+ // Compressed images do not use pack/unpack parameters (imageHeight).
+ CheckedNumeric<GLuint> pixelsHeight(!compressed && (imageHeight > 0)
+ ? static_cast<GLuint>(imageHeight)
+ : static_cast<GLuint>(height));
+
+ CheckedNumeric<GLuint> rowCount;
+ if (compressed)
+ {
+ CheckedNumeric<GLuint> checkedBlockHeight(compressedBlockHeight);
+ rowCount = (pixelsHeight + checkedBlockHeight - 1u) / checkedBlockHeight;
+ }
+ else
+ {
+ rowCount = pixelsHeight;
+ }
+
+ CheckedNumeric<GLuint> checkedRowPitch(rowPitch);
+
+ return CheckedMathResult(checkedRowPitch * rowCount, resultOut);
+}
+
+bool InternalFormat::computeDepthPitch(GLenum formatType,
+ GLsizei width,
+ GLsizei height,
+ GLint alignment,
+ GLint rowLength,
+ GLint imageHeight,
+ GLuint *resultOut) const
+{
+ GLuint rowPitch = 0;
+ if (!computeRowPitch(formatType, width, alignment, rowLength, &rowPitch))
+ {
+ return false;
+ }
+ return computeDepthPitch(height, imageHeight, rowPitch, resultOut);
+}
+
+bool InternalFormat::computeCompressedImageSize(const Extents &size, GLuint *resultOut) const
+{
+ CheckedNumeric<GLuint> checkedWidth(size.width);
+ CheckedNumeric<GLuint> checkedHeight(size.height);
+ CheckedNumeric<GLuint> checkedDepth(size.depth);
+
+ if (paletted)
+ {
+ ASSERT(!compressed);
+
+ GLuint paletteSize = 1 << paletteBits;
+ GLuint paletteBytes = paletteSize * pixelBytes;
+
+ GLuint rowPitch;
+ if (!computePalettedImageRowPitch(size.width, &rowPitch))
+ {
+ return false;
+ }
+
+ if (size.depth != 1)
+ {
+ return false;
+ }
+
+ CheckedNumeric<GLuint> checkedPaletteBytes(paletteBytes);
+ CheckedNumeric<GLuint> checkedRowPitch(rowPitch);
+
+ return CheckedMathResult(checkedPaletteBytes + checkedRowPitch * checkedHeight, resultOut);
+ }
+
+ CheckedNumeric<GLuint> checkedBlockWidth(compressedBlockWidth);
+ CheckedNumeric<GLuint> checkedBlockHeight(compressedBlockHeight);
+ GLuint minBlockWidth, minBlockHeight;
+ std::tie(minBlockWidth, minBlockHeight) = getCompressedImageMinBlocks();
+
+ ASSERT(compressed);
+ auto numBlocksWide = (checkedWidth + checkedBlockWidth - 1u) / checkedBlockWidth;
+ auto numBlocksHigh = (checkedHeight + checkedBlockHeight - 1u) / checkedBlockHeight;
+ if (numBlocksWide.IsValid() && numBlocksWide.ValueOrDie() < minBlockWidth)
+ numBlocksWide = minBlockWidth;
+ if (numBlocksHigh.IsValid() && numBlocksHigh.ValueOrDie() < minBlockHeight)
+ numBlocksHigh = minBlockHeight;
+ auto bytes = numBlocksWide * numBlocksHigh * pixelBytes * checkedDepth;
+ return CheckedMathResult(bytes, resultOut);
+}
+
+std::pair<GLuint, GLuint> InternalFormat::getCompressedImageMinBlocks() const
+{
+ GLuint minBlockWidth = 0;
+ GLuint minBlockHeight = 0;
+
+ // Per the specification, a PVRTC block needs information from the 3 nearest blocks.
+ // GL_IMG_texture_compression_pvrtc specifies the minimum size requirement in pixels, but
+ // ANGLE's texture tables are written in terms of blocks. The 4BPP formats use 4x4 blocks, and
+ // the 2BPP formats, 8x4 blocks. Therefore, both kinds of formats require a minimum of 2x2
+ // blocks.
+ switch (internalFormat)
+ {
+ case GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG:
+ case GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG:
+ case GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG:
+ case GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:
+ case GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT:
+ case GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT:
+ minBlockWidth = 2;
+ minBlockHeight = 2;
+ break;
+
+ default:
+ break;
+ }
+
+ return std::make_pair(minBlockWidth, minBlockHeight);
+}
+
+bool InternalFormat::computeSkipBytes(GLenum formatType,
+ GLuint rowPitch,
+ GLuint depthPitch,
+ const PixelStoreStateBase &state,
+ bool is3D,
+ GLuint *resultOut) const
+{
+ CheckedNumeric<GLuint> checkedRowPitch(rowPitch);
+ CheckedNumeric<GLuint> checkedDepthPitch(depthPitch);
+ CheckedNumeric<GLuint> checkedSkipImages(static_cast<GLuint>(state.skipImages));
+ CheckedNumeric<GLuint> checkedSkipRows(static_cast<GLuint>(state.skipRows));
+ CheckedNumeric<GLuint> checkedSkipPixels(static_cast<GLuint>(state.skipPixels));
+ CheckedNumeric<GLuint> checkedPixelBytes(computePixelBytes(formatType));
+ auto checkedSkipImagesBytes = checkedSkipImages * checkedDepthPitch;
+ if (!is3D)
+ {
+ checkedSkipImagesBytes = 0;
+ }
+ auto skipBytes = checkedSkipImagesBytes + checkedSkipRows * checkedRowPitch +
+ checkedSkipPixels * checkedPixelBytes;
+ return CheckedMathResult(skipBytes, resultOut);
+}
+
+bool InternalFormat::computePackUnpackEndByte(GLenum formatType,
+ const Extents &size,
+ const PixelStoreStateBase &state,
+ bool is3D,
+ GLuint *resultOut) const
+{
+ GLuint rowPitch = 0;
+ if (!computeRowPitch(formatType, size.width, state.alignment, state.rowLength, &rowPitch))
+ {
+ return false;
+ }
+
+ GLuint depthPitch = 0;
+ if (is3D && !computeDepthPitch(size.height, state.imageHeight, rowPitch, &depthPitch))
+ {
+ return false;
+ }
+
+ CheckedNumeric<GLuint> checkedCopyBytes(0);
+ if (compressed)
+ {
+ GLuint copyBytes = 0;
+ if (!computeCompressedImageSize(size, &copyBytes))
+ {
+ return false;
+ }
+ checkedCopyBytes = copyBytes;
+ }
+ else if (size.height != 0 && (!is3D || size.depth != 0))
+ {
+ CheckedNumeric<GLuint> bytes = computePixelBytes(formatType);
+ checkedCopyBytes += size.width * bytes;
+
+ CheckedNumeric<GLuint> heightMinusOne = size.height - 1;
+ checkedCopyBytes += heightMinusOne * rowPitch;
+
+ if (is3D)
+ {
+ CheckedNumeric<GLuint> depthMinusOne = size.depth - 1;
+ checkedCopyBytes += depthMinusOne * depthPitch;
+ }
+ }
+
+ GLuint skipBytes = 0;
+ if (!computeSkipBytes(formatType, rowPitch, depthPitch, state, is3D, &skipBytes))
+ {
+ return false;
+ }
+
+ CheckedNumeric<GLuint> endByte = checkedCopyBytes + CheckedNumeric<GLuint>(skipBytes);
+
+ return CheckedMathResult(endByte, resultOut);
+}
+
+GLenum GetUnsizedFormat(GLenum internalFormat)
+{
+ auto sizedFormatInfo = GetSizedInternalFormatInfo(internalFormat);
+ if (sizedFormatInfo.internalFormat != GL_NONE)
+ {
+ return sizedFormatInfo.format;
+ }
+
+ return internalFormat;
+}
+
+bool CompressedFormatRequiresWholeImage(GLenum internalFormat)
+{
+ // List of compressed texture format that require that the sub-image size is equal to texture's
+ // respective mip level's size
+ return IsPVRTC1Format(internalFormat);
+}
+
+void MaybeOverrideLuminance(GLenum &format, GLenum &type, GLenum actualFormat, GLenum actualType)
+{
+ gl::InternalFormat internalFormat = gl::GetInternalFormatInfo(format, type);
+ if (internalFormat.isLUMA())
+ {
+ // Ensure the format and type are compatible
+ ASSERT(internalFormat.pixelBytes ==
+ gl::GetInternalFormatInfo(actualFormat, actualType).pixelBytes);
+
+ // For Luminance formats, override with the internal format. Since this is not
+ // renderable, our pixel pack routines don't handle it correctly.
+ format = actualFormat;
+ type = actualType;
+ }
+}
+
+const FormatSet &GetAllSizedInternalFormats()
+{
+ static angle::base::NoDestructor<FormatSet> formatSet(BuildAllSizedInternalFormatSet());
+ return *formatSet;
+}
+
+AttributeType GetAttributeType(GLenum enumValue)
+{
+ switch (enumValue)
+ {
+ case GL_FLOAT:
+ return ATTRIBUTE_FLOAT;
+ case GL_FLOAT_VEC2:
+ return ATTRIBUTE_VEC2;
+ case GL_FLOAT_VEC3:
+ return ATTRIBUTE_VEC3;
+ case GL_FLOAT_VEC4:
+ return ATTRIBUTE_VEC4;
+ case GL_INT:
+ return ATTRIBUTE_INT;
+ case GL_INT_VEC2:
+ return ATTRIBUTE_IVEC2;
+ case GL_INT_VEC3:
+ return ATTRIBUTE_IVEC3;
+ case GL_INT_VEC4:
+ return ATTRIBUTE_IVEC4;
+ case GL_UNSIGNED_INT:
+ return ATTRIBUTE_UINT;
+ case GL_UNSIGNED_INT_VEC2:
+ return ATTRIBUTE_UVEC2;
+ case GL_UNSIGNED_INT_VEC3:
+ return ATTRIBUTE_UVEC3;
+ case GL_UNSIGNED_INT_VEC4:
+ return ATTRIBUTE_UVEC4;
+ case GL_FLOAT_MAT2:
+ return ATTRIBUTE_MAT2;
+ case GL_FLOAT_MAT3:
+ return ATTRIBUTE_MAT3;
+ case GL_FLOAT_MAT4:
+ return ATTRIBUTE_MAT4;
+ case GL_FLOAT_MAT2x3:
+ return ATTRIBUTE_MAT2x3;
+ case GL_FLOAT_MAT2x4:
+ return ATTRIBUTE_MAT2x4;
+ case GL_FLOAT_MAT3x2:
+ return ATTRIBUTE_MAT3x2;
+ case GL_FLOAT_MAT3x4:
+ return ATTRIBUTE_MAT3x4;
+ case GL_FLOAT_MAT4x2:
+ return ATTRIBUTE_MAT4x2;
+ case GL_FLOAT_MAT4x3:
+ return ATTRIBUTE_MAT4x3;
+ default:
+ UNREACHABLE();
+ return ATTRIBUTE_FLOAT;
+ }
+}
+
+angle::FormatID GetVertexFormatID(VertexAttribType type,
+ GLboolean normalized,
+ GLuint components,
+ bool pureInteger)
+{
+ switch (type)
+ {
+ case VertexAttribType::Byte:
+ switch (components)
+ {
+ case 1:
+ if (pureInteger)
+ return angle::FormatID::R8_SINT;
+ if (normalized)
+ return angle::FormatID::R8_SNORM;
+ return angle::FormatID::R8_SSCALED;
+ case 2:
+ if (pureInteger)
+ return angle::FormatID::R8G8_SINT;
+ if (normalized)
+ return angle::FormatID::R8G8_SNORM;
+ return angle::FormatID::R8G8_SSCALED;
+ case 3:
+ if (pureInteger)
+ return angle::FormatID::R8G8B8_SINT;
+ if (normalized)
+ return angle::FormatID::R8G8B8_SNORM;
+ return angle::FormatID::R8G8B8_SSCALED;
+ case 4:
+ if (pureInteger)
+ return angle::FormatID::R8G8B8A8_SINT;
+ if (normalized)
+ return angle::FormatID::R8G8B8A8_SNORM;
+ return angle::FormatID::R8G8B8A8_SSCALED;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+ case VertexAttribType::UnsignedByte:
+ switch (components)
+ {
+ case 1:
+ if (pureInteger)
+ return angle::FormatID::R8_UINT;
+ if (normalized)
+ return angle::FormatID::R8_UNORM;
+ return angle::FormatID::R8_USCALED;
+ case 2:
+ if (pureInteger)
+ return angle::FormatID::R8G8_UINT;
+ if (normalized)
+ return angle::FormatID::R8G8_UNORM;
+ return angle::FormatID::R8G8_USCALED;
+ case 3:
+ if (pureInteger)
+ return angle::FormatID::R8G8B8_UINT;
+ if (normalized)
+ return angle::FormatID::R8G8B8_UNORM;
+ return angle::FormatID::R8G8B8_USCALED;
+ case 4:
+ if (pureInteger)
+ return angle::FormatID::R8G8B8A8_UINT;
+ if (normalized)
+ return angle::FormatID::R8G8B8A8_UNORM;
+ return angle::FormatID::R8G8B8A8_USCALED;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+ case VertexAttribType::Short:
+ switch (components)
+ {
+ case 1:
+ if (pureInteger)
+ return angle::FormatID::R16_SINT;
+ if (normalized)
+ return angle::FormatID::R16_SNORM;
+ return angle::FormatID::R16_SSCALED;
+ case 2:
+ if (pureInteger)
+ return angle::FormatID::R16G16_SINT;
+ if (normalized)
+ return angle::FormatID::R16G16_SNORM;
+ return angle::FormatID::R16G16_SSCALED;
+ case 3:
+ if (pureInteger)
+ return angle::FormatID::R16G16B16_SINT;
+ if (normalized)
+ return angle::FormatID::R16G16B16_SNORM;
+ return angle::FormatID::R16G16B16_SSCALED;
+ case 4:
+ if (pureInteger)
+ return angle::FormatID::R16G16B16A16_SINT;
+ if (normalized)
+ return angle::FormatID::R16G16B16A16_SNORM;
+ return angle::FormatID::R16G16B16A16_SSCALED;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+ case VertexAttribType::UnsignedShort:
+ switch (components)
+ {
+ case 1:
+ if (pureInteger)
+ return angle::FormatID::R16_UINT;
+ if (normalized)
+ return angle::FormatID::R16_UNORM;
+ return angle::FormatID::R16_USCALED;
+ case 2:
+ if (pureInteger)
+ return angle::FormatID::R16G16_UINT;
+ if (normalized)
+ return angle::FormatID::R16G16_UNORM;
+ return angle::FormatID::R16G16_USCALED;
+ case 3:
+ if (pureInteger)
+ return angle::FormatID::R16G16B16_UINT;
+ if (normalized)
+ return angle::FormatID::R16G16B16_UNORM;
+ return angle::FormatID::R16G16B16_USCALED;
+ case 4:
+ if (pureInteger)
+ return angle::FormatID::R16G16B16A16_UINT;
+ if (normalized)
+ return angle::FormatID::R16G16B16A16_UNORM;
+ return angle::FormatID::R16G16B16A16_USCALED;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+ case VertexAttribType::Int:
+ switch (components)
+ {
+ case 1:
+ if (pureInteger)
+ return angle::FormatID::R32_SINT;
+ if (normalized)
+ return angle::FormatID::R32_SNORM;
+ return angle::FormatID::R32_SSCALED;
+ case 2:
+ if (pureInteger)
+ return angle::FormatID::R32G32_SINT;
+ if (normalized)
+ return angle::FormatID::R32G32_SNORM;
+ return angle::FormatID::R32G32_SSCALED;
+ case 3:
+ if (pureInteger)
+ return angle::FormatID::R32G32B32_SINT;
+ if (normalized)
+ return angle::FormatID::R32G32B32_SNORM;
+ return angle::FormatID::R32G32B32_SSCALED;
+ case 4:
+ if (pureInteger)
+ return angle::FormatID::R32G32B32A32_SINT;
+ if (normalized)
+ return angle::FormatID::R32G32B32A32_SNORM;
+ return angle::FormatID::R32G32B32A32_SSCALED;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+ case VertexAttribType::UnsignedInt:
+ switch (components)
+ {
+ case 1:
+ if (pureInteger)
+ return angle::FormatID::R32_UINT;
+ if (normalized)
+ return angle::FormatID::R32_UNORM;
+ return angle::FormatID::R32_USCALED;
+ case 2:
+ if (pureInteger)
+ return angle::FormatID::R32G32_UINT;
+ if (normalized)
+ return angle::FormatID::R32G32_UNORM;
+ return angle::FormatID::R32G32_USCALED;
+ case 3:
+ if (pureInteger)
+ return angle::FormatID::R32G32B32_UINT;
+ if (normalized)
+ return angle::FormatID::R32G32B32_UNORM;
+ return angle::FormatID::R32G32B32_USCALED;
+ case 4:
+ if (pureInteger)
+ return angle::FormatID::R32G32B32A32_UINT;
+ if (normalized)
+ return angle::FormatID::R32G32B32A32_UNORM;
+ return angle::FormatID::R32G32B32A32_USCALED;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+ case VertexAttribType::Float:
+ switch (components)
+ {
+ case 1:
+ return angle::FormatID::R32_FLOAT;
+ case 2:
+ return angle::FormatID::R32G32_FLOAT;
+ case 3:
+ return angle::FormatID::R32G32B32_FLOAT;
+ case 4:
+ return angle::FormatID::R32G32B32A32_FLOAT;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+ case VertexAttribType::HalfFloat:
+ case VertexAttribType::HalfFloatOES:
+ switch (components)
+ {
+ case 1:
+ return angle::FormatID::R16_FLOAT;
+ case 2:
+ return angle::FormatID::R16G16_FLOAT;
+ case 3:
+ return angle::FormatID::R16G16B16_FLOAT;
+ case 4:
+ return angle::FormatID::R16G16B16A16_FLOAT;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+ case VertexAttribType::Fixed:
+ switch (components)
+ {
+ case 1:
+ return angle::FormatID::R32_FIXED;
+ case 2:
+ return angle::FormatID::R32G32_FIXED;
+ case 3:
+ return angle::FormatID::R32G32B32_FIXED;
+ case 4:
+ return angle::FormatID::R32G32B32A32_FIXED;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+ case VertexAttribType::Int2101010:
+ if (pureInteger)
+ return angle::FormatID::R10G10B10A2_SINT;
+ if (normalized)
+ return angle::FormatID::R10G10B10A2_SNORM;
+ return angle::FormatID::R10G10B10A2_SSCALED;
+ case VertexAttribType::UnsignedInt2101010:
+ if (pureInteger)
+ return angle::FormatID::R10G10B10A2_UINT;
+ if (normalized)
+ return angle::FormatID::R10G10B10A2_UNORM;
+ return angle::FormatID::R10G10B10A2_USCALED;
+ case VertexAttribType::Int1010102:
+ switch (components)
+ {
+ case 3:
+ if (pureInteger)
+ return angle::FormatID::X2R10G10B10_SINT_VERTEX;
+ if (normalized)
+ return angle::FormatID::X2R10G10B10_SNORM_VERTEX;
+ return angle::FormatID::X2R10G10B10_SSCALED_VERTEX;
+ case 4:
+ if (pureInteger)
+ return angle::FormatID::A2R10G10B10_SINT_VERTEX;
+ if (normalized)
+ return angle::FormatID::A2R10G10B10_SNORM_VERTEX;
+ return angle::FormatID::A2R10G10B10_SSCALED_VERTEX;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+ case VertexAttribType::UnsignedInt1010102:
+ switch (components)
+ {
+ case 3:
+ if (pureInteger)
+ return angle::FormatID::X2R10G10B10_UINT_VERTEX;
+ if (normalized)
+ return angle::FormatID::X2R10G10B10_UNORM_VERTEX;
+ return angle::FormatID::X2R10G10B10_USCALED_VERTEX;
+
+ case 4:
+ if (pureInteger)
+ return angle::FormatID::A2R10G10B10_UINT_VERTEX;
+ if (normalized)
+ return angle::FormatID::A2R10G10B10_UNORM_VERTEX;
+ return angle::FormatID::A2R10G10B10_USCALED_VERTEX;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+}
+
+angle::FormatID GetVertexFormatID(const VertexAttribute &attrib, VertexAttribType currentValueType)
+{
+ if (!attrib.enabled)
+ {
+ return GetCurrentValueFormatID(currentValueType);
+ }
+ return attrib.format->id;
+}
+
+angle::FormatID GetCurrentValueFormatID(VertexAttribType currentValueType)
+{
+ switch (currentValueType)
+ {
+ case VertexAttribType::Float:
+ return angle::FormatID::R32G32B32A32_FLOAT;
+ case VertexAttribType::Int:
+ return angle::FormatID::R32G32B32A32_SINT;
+ case VertexAttribType::UnsignedInt:
+ return angle::FormatID::R32G32B32A32_UINT;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+}
+
+const VertexFormat &GetVertexFormatFromID(angle::FormatID vertexFormatID)
+{
+ switch (vertexFormatID)
+ {
+ case angle::FormatID::R8_SSCALED:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R8_SNORM:
+ {
+ static const VertexFormat format(GL_BYTE, GL_TRUE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R8G8_SSCALED:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R8G8_SNORM:
+ {
+ static const VertexFormat format(GL_BYTE, GL_TRUE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R8G8B8_SSCALED:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R8G8B8_SNORM:
+ {
+ static const VertexFormat format(GL_BYTE, GL_TRUE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R8G8B8A8_SSCALED:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R8G8B8A8_SNORM:
+ {
+ static const VertexFormat format(GL_BYTE, GL_TRUE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R8_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R8_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R8G8_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R8G8_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R8G8B8_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R8G8B8_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R8G8B8A8_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R8G8B8A8_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R16_SSCALED:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R16_SNORM:
+ {
+ static const VertexFormat format(GL_SHORT, GL_TRUE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R16G16_SSCALED:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R16G16_SNORM:
+ {
+ static const VertexFormat format(GL_SHORT, GL_TRUE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R16G16B16_SSCALED:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R16G16B16_SNORM:
+ {
+ static const VertexFormat format(GL_SHORT, GL_TRUE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R16G16B16A16_SSCALED:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R16G16B16A16_SNORM:
+ {
+ static const VertexFormat format(GL_SHORT, GL_TRUE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R16_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R16_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R16G16_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R16G16_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R16G16B16_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R16G16B16_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R16G16B16A16_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R16G16B16A16_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R32_SSCALED:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R32_SNORM:
+ {
+ static const VertexFormat format(GL_INT, GL_TRUE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R32G32_SSCALED:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R32G32_SNORM:
+ {
+ static const VertexFormat format(GL_INT, GL_TRUE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R32G32B32_SSCALED:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R32G32B32_SNORM:
+ {
+ static const VertexFormat format(GL_INT, GL_TRUE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R32G32B32A32_SSCALED:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R32G32B32A32_SNORM:
+ {
+ static const VertexFormat format(GL_INT, GL_TRUE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R32_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R32_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R32G32_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R32G32_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R32G32B32_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R32G32B32_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R32G32B32A32_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R32G32B32A32_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R8_SINT:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 1, true);
+ return format;
+ }
+ case angle::FormatID::R8G8_SINT:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 2, true);
+ return format;
+ }
+ case angle::FormatID::R8G8B8_SINT:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 3, true);
+ return format;
+ }
+ case angle::FormatID::R8G8B8A8_SINT:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 4, true);
+ return format;
+ }
+ case angle::FormatID::R8_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, true);
+ return format;
+ }
+ case angle::FormatID::R8G8_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, true);
+ return format;
+ }
+ case angle::FormatID::R8G8B8_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, true);
+ return format;
+ }
+ case angle::FormatID::R8G8B8A8_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, true);
+ return format;
+ }
+ case angle::FormatID::R16_SINT:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 1, true);
+ return format;
+ }
+ case angle::FormatID::R16G16_SINT:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 2, true);
+ return format;
+ }
+ case angle::FormatID::R16G16B16_SINT:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 3, true);
+ return format;
+ }
+ case angle::FormatID::R16G16B16A16_SINT:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 4, true);
+ return format;
+ }
+ case angle::FormatID::R16_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, true);
+ return format;
+ }
+ case angle::FormatID::R16G16_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, true);
+ return format;
+ }
+ case angle::FormatID::R16G16B16_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, true);
+ return format;
+ }
+ case angle::FormatID::R16G16B16A16_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, true);
+ return format;
+ }
+ case angle::FormatID::R32_SINT:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 1, true);
+ return format;
+ }
+ case angle::FormatID::R32G32_SINT:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 2, true);
+ return format;
+ }
+ case angle::FormatID::R32G32B32_SINT:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 3, true);
+ return format;
+ }
+ case angle::FormatID::R32G32B32A32_SINT:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 4, true);
+ return format;
+ }
+ case angle::FormatID::R32_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, true);
+ return format;
+ }
+ case angle::FormatID::R32G32_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, true);
+ return format;
+ }
+ case angle::FormatID::R32G32B32_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, true);
+ return format;
+ }
+ case angle::FormatID::R32G32B32A32_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, true);
+ return format;
+ }
+ case angle::FormatID::R32_FIXED:
+ {
+ static const VertexFormat format(GL_FIXED, GL_FALSE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R32G32_FIXED:
+ {
+ static const VertexFormat format(GL_FIXED, GL_FALSE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R32G32B32_FIXED:
+ {
+ static const VertexFormat format(GL_FIXED, GL_FALSE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R32G32B32A32_FIXED:
+ {
+ static const VertexFormat format(GL_FIXED, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R16_FLOAT:
+ {
+ static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R16G16_FLOAT:
+ {
+ static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R16G16B16_FLOAT:
+ {
+ static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R16G16B16A16_FLOAT:
+ {
+ static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R32_FLOAT:
+ {
+ static const VertexFormat format(GL_FLOAT, GL_FALSE, 1, false);
+ return format;
+ }
+ case angle::FormatID::R32G32_FLOAT:
+ {
+ static const VertexFormat format(GL_FLOAT, GL_FALSE, 2, false);
+ return format;
+ }
+ case angle::FormatID::R32G32B32_FLOAT:
+ {
+ static const VertexFormat format(GL_FLOAT, GL_FALSE, 3, false);
+ return format;
+ }
+ case angle::FormatID::R32G32B32A32_FLOAT:
+ {
+ static const VertexFormat format(GL_FLOAT, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R10G10B10A2_SSCALED:
+ {
+ static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R10G10B10A2_USCALED:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R10G10B10A2_SNORM:
+ {
+ static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_TRUE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R10G10B10A2_UNORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_TRUE, 4, false);
+ return format;
+ }
+ case angle::FormatID::R10G10B10A2_SINT:
+ {
+ static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, true);
+ return format;
+ }
+ case angle::FormatID::R10G10B10A2_UINT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, true);
+ return format;
+ }
+ case angle::FormatID::A2R10G10B10_SSCALED_VERTEX:
+ {
+ static const VertexFormat format(GL_INT_10_10_10_2_OES, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::A2R10G10B10_USCALED_VERTEX:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT_10_10_10_2_OES, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::A2R10G10B10_SNORM_VERTEX:
+ {
+ static const VertexFormat format(GL_INT_10_10_10_2_OES, GL_TRUE, 4, false);
+ return format;
+ }
+ case angle::FormatID::A2R10G10B10_UNORM_VERTEX:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT_10_10_10_2_OES, GL_TRUE, 4, false);
+ return format;
+ }
+ case angle::FormatID::A2R10G10B10_SINT_VERTEX:
+ {
+ static const VertexFormat format(GL_INT_10_10_10_2_OES, GL_FALSE, 4, true);
+ return format;
+ }
+ case angle::FormatID::A2R10G10B10_UINT_VERTEX:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT_10_10_10_2_OES, GL_FALSE, 4, true);
+ return format;
+ }
+ case angle::FormatID::X2R10G10B10_SSCALED_VERTEX:
+ {
+ static const VertexFormat format(GL_INT_10_10_10_2_OES, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::X2R10G10B10_USCALED_VERTEX:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT_10_10_10_2_OES, GL_FALSE, 4, false);
+ return format;
+ }
+ case angle::FormatID::X2R10G10B10_SNORM_VERTEX:
+ {
+ static const VertexFormat format(GL_INT_10_10_10_2_OES, GL_TRUE, 4, false);
+ return format;
+ }
+ case angle::FormatID::X2R10G10B10_UNORM_VERTEX:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT_10_10_10_2_OES, GL_TRUE, 4, false);
+ return format;
+ }
+ case angle::FormatID::X2R10G10B10_SINT_VERTEX:
+ {
+ static const VertexFormat format(GL_INT_10_10_10_2_OES, GL_FALSE, 4, true);
+ return format;
+ }
+ default:
+ {
+ static const VertexFormat format(GL_NONE, GL_FALSE, 0, false);
+ return format;
+ }
+ }
+}
+
+size_t GetVertexFormatSize(angle::FormatID vertexFormatID)
+{
+ switch (vertexFormatID)
+ {
+ case angle::FormatID::R8_SSCALED:
+ case angle::FormatID::R8_SNORM:
+ case angle::FormatID::R8_USCALED:
+ case angle::FormatID::R8_UNORM:
+ case angle::FormatID::R8_SINT:
+ case angle::FormatID::R8_UINT:
+ return 1;
+
+ case angle::FormatID::R8G8_SSCALED:
+ case angle::FormatID::R8G8_SNORM:
+ case angle::FormatID::R8G8_USCALED:
+ case angle::FormatID::R8G8_UNORM:
+ case angle::FormatID::R8G8_SINT:
+ case angle::FormatID::R8G8_UINT:
+ case angle::FormatID::R16_SSCALED:
+ case angle::FormatID::R16_SNORM:
+ case angle::FormatID::R16_USCALED:
+ case angle::FormatID::R16_UNORM:
+ case angle::FormatID::R16_SINT:
+ case angle::FormatID::R16_UINT:
+ case angle::FormatID::R16_FLOAT:
+ return 2;
+
+ case angle::FormatID::R8G8B8_SSCALED:
+ case angle::FormatID::R8G8B8_SNORM:
+ case angle::FormatID::R8G8B8_USCALED:
+ case angle::FormatID::R8G8B8_UNORM:
+ case angle::FormatID::R8G8B8_SINT:
+ case angle::FormatID::R8G8B8_UINT:
+ return 3;
+
+ case angle::FormatID::R8G8B8A8_SSCALED:
+ case angle::FormatID::R8G8B8A8_SNORM:
+ case angle::FormatID::R8G8B8A8_USCALED:
+ case angle::FormatID::R8G8B8A8_UNORM:
+ case angle::FormatID::R8G8B8A8_SINT:
+ case angle::FormatID::R8G8B8A8_UINT:
+ case angle::FormatID::R16G16_SSCALED:
+ case angle::FormatID::R16G16_SNORM:
+ case angle::FormatID::R16G16_USCALED:
+ case angle::FormatID::R16G16_UNORM:
+ case angle::FormatID::R16G16_SINT:
+ case angle::FormatID::R16G16_UINT:
+ case angle::FormatID::R32_SSCALED:
+ case angle::FormatID::R32_SNORM:
+ case angle::FormatID::R32_USCALED:
+ case angle::FormatID::R32_UNORM:
+ case angle::FormatID::R32_SINT:
+ case angle::FormatID::R32_UINT:
+ case angle::FormatID::R16G16_FLOAT:
+ case angle::FormatID::R32_FIXED:
+ case angle::FormatID::R32_FLOAT:
+ case angle::FormatID::R10G10B10A2_SSCALED:
+ case angle::FormatID::R10G10B10A2_USCALED:
+ case angle::FormatID::R10G10B10A2_SNORM:
+ case angle::FormatID::R10G10B10A2_UNORM:
+ case angle::FormatID::R10G10B10A2_SINT:
+ case angle::FormatID::R10G10B10A2_UINT:
+ case angle::FormatID::A2R10G10B10_SSCALED_VERTEX:
+ case angle::FormatID::A2R10G10B10_USCALED_VERTEX:
+ case angle::FormatID::A2R10G10B10_SINT_VERTEX:
+ case angle::FormatID::A2R10G10B10_UINT_VERTEX:
+ case angle::FormatID::A2R10G10B10_SNORM_VERTEX:
+ case angle::FormatID::A2R10G10B10_UNORM_VERTEX:
+ case angle::FormatID::X2R10G10B10_SSCALED_VERTEX:
+ case angle::FormatID::X2R10G10B10_USCALED_VERTEX:
+ case angle::FormatID::X2R10G10B10_SINT_VERTEX:
+ case angle::FormatID::X2R10G10B10_UINT_VERTEX:
+ case angle::FormatID::X2R10G10B10_SNORM_VERTEX:
+ case angle::FormatID::X2R10G10B10_UNORM_VERTEX:
+ return 4;
+
+ case angle::FormatID::R16G16B16_SSCALED:
+ case angle::FormatID::R16G16B16_SNORM:
+ case angle::FormatID::R16G16B16_USCALED:
+ case angle::FormatID::R16G16B16_UNORM:
+ case angle::FormatID::R16G16B16_SINT:
+ case angle::FormatID::R16G16B16_UINT:
+ case angle::FormatID::R16G16B16_FLOAT:
+ return 6;
+
+ case angle::FormatID::R16G16B16A16_SSCALED:
+ case angle::FormatID::R16G16B16A16_SNORM:
+ case angle::FormatID::R16G16B16A16_USCALED:
+ case angle::FormatID::R16G16B16A16_UNORM:
+ case angle::FormatID::R16G16B16A16_SINT:
+ case angle::FormatID::R16G16B16A16_UINT:
+ case angle::FormatID::R32G32_SSCALED:
+ case angle::FormatID::R32G32_SNORM:
+ case angle::FormatID::R32G32_USCALED:
+ case angle::FormatID::R32G32_UNORM:
+ case angle::FormatID::R32G32_SINT:
+ case angle::FormatID::R32G32_UINT:
+ case angle::FormatID::R16G16B16A16_FLOAT:
+ case angle::FormatID::R32G32_FIXED:
+ case angle::FormatID::R32G32_FLOAT:
+ return 8;
+
+ case angle::FormatID::R32G32B32_SSCALED:
+ case angle::FormatID::R32G32B32_SNORM:
+ case angle::FormatID::R32G32B32_USCALED:
+ case angle::FormatID::R32G32B32_UNORM:
+ case angle::FormatID::R32G32B32_SINT:
+ case angle::FormatID::R32G32B32_UINT:
+ case angle::FormatID::R32G32B32_FIXED:
+ case angle::FormatID::R32G32B32_FLOAT:
+ return 12;
+
+ case angle::FormatID::R32G32B32A32_SSCALED:
+ case angle::FormatID::R32G32B32A32_SNORM:
+ case angle::FormatID::R32G32B32A32_USCALED:
+ case angle::FormatID::R32G32B32A32_UNORM:
+ case angle::FormatID::R32G32B32A32_SINT:
+ case angle::FormatID::R32G32B32A32_UINT:
+ case angle::FormatID::R32G32B32A32_FIXED:
+ case angle::FormatID::R32G32B32A32_FLOAT:
+ return 16;
+
+ case angle::FormatID::NONE:
+ default:
+ UNREACHABLE();
+ return 0;
+ }
+}
+
+angle::FormatID ConvertFormatSignedness(const angle::Format &format)
+{
+ switch (format.id)
+ {
+ // 1 byte signed to unsigned
+ case angle::FormatID::R8_SINT:
+ return angle::FormatID::R8_UINT;
+ case angle::FormatID::R8_SNORM:
+ return angle::FormatID::R8_UNORM;
+ case angle::FormatID::R8_SSCALED:
+ return angle::FormatID::R8_USCALED;
+ case angle::FormatID::R8G8_SINT:
+ return angle::FormatID::R8G8_UINT;
+ case angle::FormatID::R8G8_SNORM:
+ return angle::FormatID::R8G8_UNORM;
+ case angle::FormatID::R8G8_SSCALED:
+ return angle::FormatID::R8G8_USCALED;
+ case angle::FormatID::R8G8B8_SINT:
+ return angle::FormatID::R8G8B8_UINT;
+ case angle::FormatID::R8G8B8_SNORM:
+ return angle::FormatID::R8G8B8_UNORM;
+ case angle::FormatID::R8G8B8_SSCALED:
+ return angle::FormatID::R8G8B8_USCALED;
+ case angle::FormatID::R8G8B8A8_SINT:
+ return angle::FormatID::R8G8B8A8_UINT;
+ case angle::FormatID::R8G8B8A8_SNORM:
+ return angle::FormatID::R8G8B8A8_UNORM;
+ case angle::FormatID::R8G8B8A8_SSCALED:
+ return angle::FormatID::R8G8B8A8_USCALED;
+ // 1 byte unsigned to signed
+ case angle::FormatID::R8_UINT:
+ return angle::FormatID::R8_SINT;
+ case angle::FormatID::R8_UNORM:
+ return angle::FormatID::R8_SNORM;
+ case angle::FormatID::R8_USCALED:
+ return angle::FormatID::R8_SSCALED;
+ case angle::FormatID::R8G8_UINT:
+ return angle::FormatID::R8G8_SINT;
+ case angle::FormatID::R8G8_UNORM:
+ return angle::FormatID::R8G8_SNORM;
+ case angle::FormatID::R8G8_USCALED:
+ return angle::FormatID::R8G8_SSCALED;
+ case angle::FormatID::R8G8B8_UINT:
+ return angle::FormatID::R8G8B8_SINT;
+ case angle::FormatID::R8G8B8_UNORM:
+ return angle::FormatID::R8G8B8_SNORM;
+ case angle::FormatID::R8G8B8_USCALED:
+ return angle::FormatID::R8G8B8_SSCALED;
+ case angle::FormatID::R8G8B8A8_UINT:
+ return angle::FormatID::R8G8B8A8_SINT;
+ case angle::FormatID::R8G8B8A8_UNORM:
+ return angle::FormatID::R8G8B8A8_SNORM;
+ case angle::FormatID::R8G8B8A8_USCALED:
+ return angle::FormatID::R8G8B8A8_SSCALED;
+ // 2 byte signed to unsigned
+ case angle::FormatID::R16_SINT:
+ return angle::FormatID::R16_UINT;
+ case angle::FormatID::R16_SNORM:
+ return angle::FormatID::R16_UNORM;
+ case angle::FormatID::R16_SSCALED:
+ return angle::FormatID::R16_USCALED;
+ case angle::FormatID::R16G16_SINT:
+ return angle::FormatID::R16G16_UINT;
+ case angle::FormatID::R16G16_SNORM:
+ return angle::FormatID::R16G16_UNORM;
+ case angle::FormatID::R16G16_SSCALED:
+ return angle::FormatID::R16G16_USCALED;
+ case angle::FormatID::R16G16B16_SINT:
+ return angle::FormatID::R16G16B16_UINT;
+ case angle::FormatID::R16G16B16_SNORM:
+ return angle::FormatID::R16G16B16_UNORM;
+ case angle::FormatID::R16G16B16_SSCALED:
+ return angle::FormatID::R16G16B16_USCALED;
+ case angle::FormatID::R16G16B16A16_SINT:
+ return angle::FormatID::R16G16B16A16_UINT;
+ case angle::FormatID::R16G16B16A16_SNORM:
+ return angle::FormatID::R16G16B16A16_UNORM;
+ case angle::FormatID::R16G16B16A16_SSCALED:
+ return angle::FormatID::R16G16B16A16_USCALED;
+ // 2 byte unsigned to signed
+ case angle::FormatID::R16_UINT:
+ return angle::FormatID::R16_SINT;
+ case angle::FormatID::R16_UNORM:
+ return angle::FormatID::R16_SNORM;
+ case angle::FormatID::R16_USCALED:
+ return angle::FormatID::R16_SSCALED;
+ case angle::FormatID::R16G16_UINT:
+ return angle::FormatID::R16G16_SINT;
+ case angle::FormatID::R16G16_UNORM:
+ return angle::FormatID::R16G16_SNORM;
+ case angle::FormatID::R16G16_USCALED:
+ return angle::FormatID::R16G16_SSCALED;
+ case angle::FormatID::R16G16B16_UINT:
+ return angle::FormatID::R16G16B16_SINT;
+ case angle::FormatID::R16G16B16_UNORM:
+ return angle::FormatID::R16G16B16_SNORM;
+ case angle::FormatID::R16G16B16_USCALED:
+ return angle::FormatID::R16G16B16_SSCALED;
+ case angle::FormatID::R16G16B16A16_UINT:
+ return angle::FormatID::R16G16B16A16_SINT;
+ case angle::FormatID::R16G16B16A16_UNORM:
+ return angle::FormatID::R16G16B16A16_SNORM;
+ case angle::FormatID::R16G16B16A16_USCALED:
+ return angle::FormatID::R16G16B16A16_SSCALED;
+ // 4 byte signed to unsigned
+ case angle::FormatID::R32_SINT:
+ return angle::FormatID::R32_UINT;
+ case angle::FormatID::R32_SNORM:
+ return angle::FormatID::R32_UNORM;
+ case angle::FormatID::R32_SSCALED:
+ return angle::FormatID::R32_USCALED;
+ case angle::FormatID::R32G32_SINT:
+ return angle::FormatID::R32G32_UINT;
+ case angle::FormatID::R32G32_SNORM:
+ return angle::FormatID::R32G32_UNORM;
+ case angle::FormatID::R32G32_SSCALED:
+ return angle::FormatID::R32G32_USCALED;
+ case angle::FormatID::R32G32B32_SINT:
+ return angle::FormatID::R32G32B32_UINT;
+ case angle::FormatID::R32G32B32_SNORM:
+ return angle::FormatID::R32G32B32_UNORM;
+ case angle::FormatID::R32G32B32_SSCALED:
+ return angle::FormatID::R32G32B32_USCALED;
+ case angle::FormatID::R32G32B32A32_SINT:
+ return angle::FormatID::R32G32B32A32_UINT;
+ case angle::FormatID::R32G32B32A32_SNORM:
+ return angle::FormatID::R32G32B32A32_UNORM;
+ case angle::FormatID::R32G32B32A32_SSCALED:
+ return angle::FormatID::R32G32B32A32_USCALED;
+ // 4 byte unsigned to signed
+ case angle::FormatID::R32_UINT:
+ return angle::FormatID::R32_SINT;
+ case angle::FormatID::R32_UNORM:
+ return angle::FormatID::R32_SNORM;
+ case angle::FormatID::R32_USCALED:
+ return angle::FormatID::R32_SSCALED;
+ case angle::FormatID::R32G32_UINT:
+ return angle::FormatID::R32G32_SINT;
+ case angle::FormatID::R32G32_UNORM:
+ return angle::FormatID::R32G32_SNORM;
+ case angle::FormatID::R32G32_USCALED:
+ return angle::FormatID::R32G32_SSCALED;
+ case angle::FormatID::R32G32B32_UINT:
+ return angle::FormatID::R32G32B32_SINT;
+ case angle::FormatID::R32G32B32_UNORM:
+ return angle::FormatID::R32G32B32_SNORM;
+ case angle::FormatID::R32G32B32_USCALED:
+ return angle::FormatID::R32G32B32_SSCALED;
+ case angle::FormatID::R32G32B32A32_UINT:
+ return angle::FormatID::R32G32B32A32_SINT;
+ case angle::FormatID::R32G32B32A32_UNORM:
+ return angle::FormatID::R32G32B32A32_SNORM;
+ case angle::FormatID::R32G32B32A32_USCALED:
+ return angle::FormatID::R32G32B32A32_SSCALED;
+ // 1010102 signed to unsigned
+ case angle::FormatID::R10G10B10A2_SINT:
+ return angle::FormatID::R10G10B10A2_UINT;
+ case angle::FormatID::R10G10B10A2_SSCALED:
+ return angle::FormatID::R10G10B10A2_USCALED;
+ case angle::FormatID::R10G10B10A2_SNORM:
+ return angle::FormatID::R10G10B10A2_UNORM;
+ // 1010102 unsigned to signed
+ case angle::FormatID::R10G10B10A2_UINT:
+ return angle::FormatID::R10G10B10A2_SINT;
+ case angle::FormatID::R10G10B10A2_USCALED:
+ return angle::FormatID::R10G10B10A2_SSCALED;
+ case angle::FormatID::R10G10B10A2_UNORM:
+ return angle::FormatID::R10G10B10A2_SNORM;
+ default:
+ UNREACHABLE();
+ return angle::FormatID::NONE;
+ }
+}
+
+bool ValidES3InternalFormat(GLenum internalFormat)
+{
+ const InternalFormatInfoMap &formatMap = GetInternalFormatMap();
+ return internalFormat != GL_NONE && formatMap.find(internalFormat) != formatMap.end();
+}
+
+VertexFormat::VertexFormat(GLenum typeIn,
+ GLboolean normalizedIn,
+ GLuint componentsIn,
+ bool pureIntegerIn)
+ : type(typeIn), normalized(normalizedIn), components(componentsIn), pureInteger(pureIntegerIn)
+{
+ // float -> !normalized
+ ASSERT(!(type == GL_FLOAT || type == GL_HALF_FLOAT || type == GL_FIXED) ||
+ normalized == GL_FALSE);
+}
+} // namespace gl