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Diffstat (limited to 'gfx/angle/checkout/src/libANGLE/validationES3.cpp')
| -rw-r--r-- | gfx/angle/checkout/src/libANGLE/validationES3.cpp | 5311 |
1 files changed, 5311 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/validationES3.cpp b/gfx/angle/checkout/src/libANGLE/validationES3.cpp new file mode 100644 index 0000000000..633cc02da9 --- /dev/null +++ b/gfx/angle/checkout/src/libANGLE/validationES3.cpp @@ -0,0 +1,5311 @@ +// +// 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. +// + +// validationES3.cpp: Validation functions for OpenGL ES 3.0 entry point parameters + +#include "libANGLE/validationES3_autogen.h" + +#include "anglebase/numerics/safe_conversions.h" +#include "common/mathutil.h" +#include "common/utilities.h" +#include "libANGLE/Context.h" +#include "libANGLE/ErrorStrings.h" +#include "libANGLE/Framebuffer.h" +#include "libANGLE/FramebufferAttachment.h" +#include "libANGLE/PixelLocalStorage.h" +#include "libANGLE/Renderbuffer.h" +#include "libANGLE/Texture.h" +#include "libANGLE/VertexArray.h" +#include "libANGLE/formatutils.h" +#include "libANGLE/validationES.h" + +using namespace angle; + +namespace gl +{ +using namespace err; + +namespace +{ +bool ValidateFramebufferTextureMultiviewBaseANGLE(const Context *context, + angle::EntryPoint entryPoint, + GLenum target, + GLenum attachment, + TextureID texture, + GLint level, + GLsizei numViews) +{ + if (!(context->getExtensions().multiviewOVR || context->getExtensions().multiview2OVR)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kMultiviewNotAvailable); + return false; + } + + if (!ValidateFramebufferTextureBase(context, entryPoint, target, attachment, texture, level)) + { + return false; + } + + if (texture.value != 0 && numViews < 1) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kMultiviewViewsTooSmall); + return false; + } + + if (static_cast<GLuint>(numViews) > context->getCaps().maxViews) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kMultiviewViewsTooLarge); + return false; + } + + return true; +} + +bool ValidateFramebufferTextureMultiviewLevelAndFormat(const Context *context, + angle::EntryPoint entryPoint, + const Texture *texture, + GLint level) +{ + TextureType type = texture->getType(); + if (!ValidMipLevel(context, type, level)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel); + return false; + } + + const auto &format = texture->getFormat(NonCubeTextureTypeToTarget(type), level); + if (format.info->compressed) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kCompressedTexturesNotAttachable); + return false; + } + return true; +} + +bool ValidateUniformES3(const Context *context, + angle::EntryPoint entryPoint, + GLenum uniformType, + UniformLocation location, + GLint count) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateUniform(context, entryPoint, uniformType, location, count); +} + +bool ValidateUniformMatrixES3(const Context *context, + angle::EntryPoint entryPoint, + GLenum valueType, + UniformLocation location, + GLsizei count, + GLboolean transpose) +{ + // Check for ES3 uniform entry points + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateUniformMatrix(context, entryPoint, valueType, location, count, transpose); +} + +bool ValidateGenOrDeleteES3(const Context *context, angle::EntryPoint entryPoint, GLint n) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + return ValidateGenOrDelete(context, entryPoint, n); +} + +bool ValidateGenOrDeleteCountES3(const Context *context, angle::EntryPoint entryPoint, GLint count) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + if (count < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount); + return false; + } + return true; +} + +bool ValidateCopyTexture3DCommon(const Context *context, + angle::EntryPoint entryPoint, + const Texture *source, + GLint sourceLevel, + GLint srcInternalFormat, + const Texture *dest, + GLint destLevel, + GLint internalFormat, + TextureTarget destTarget) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!context->getExtensions().copyTexture3dANGLE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kANGLECopyTexture3DUnavailable); + return false; + } + + if (!ValidTexture3DTarget(context, source->getType())) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget); + return false; + } + + // Table 1.1 from the ANGLE_copy_texture_3d spec + switch (GetUnsizedFormat(srcInternalFormat)) + { + case GL_ALPHA: + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + case GL_RED: + case GL_RED_INTEGER: + case GL_RG: + case GL_RG_INTEGER: + case GL_RGB: + case GL_RGB_INTEGER: + case GL_RGBA: + case GL_RGBA_INTEGER: + case GL_DEPTH_COMPONENT: + case GL_DEPTH_STENCIL: + break; + default: + context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat, + srcInternalFormat); + return false; + } + + if (!ValidTexture3DTarget(context, TextureTargetToType(destTarget))) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget); + return false; + } + + // Table 1.0 from the ANGLE_copy_texture_3d spec + switch (internalFormat) + { + case GL_RGB: + case GL_RGBA: + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + case GL_ALPHA: + case GL_R8: + case GL_R8_SNORM: + case GL_R16F: + case GL_R32F: + case GL_R8UI: + case GL_R8I: + case GL_R16UI: + case GL_R16I: + case GL_R32UI: + case GL_R32I: + case GL_RG: + case GL_RG8: + case GL_RG8_SNORM: + case GL_RG16F: + case GL_RG32F: + case GL_RG8UI: + case GL_RG8I: + case GL_RG16UI: + case GL_RG16I: + case GL_RG32UI: + case GL_RG32I: + case GL_RGB8: + case GL_RGBX8_ANGLE: + case GL_SRGB8: + case GL_RGB565: + case GL_RGB8_SNORM: + case GL_R11F_G11F_B10F: + case GL_RGB9_E5: + case GL_RGB16F: + case GL_RGB32F: + case GL_RGB8UI: + case GL_RGB8I: + case GL_RGB16UI: + case GL_RGB16I: + case GL_RGB32UI: + case GL_RGB32I: + case GL_RGBA8: + case GL_SRGB8_ALPHA8: + case GL_RGBA8_SNORM: + case GL_RGB5_A1: + case GL_RGBA4: + case GL_RGB10_A2: + case GL_RGBA16F: + case GL_RGBA32F: + case GL_RGBA8UI: + case GL_RGBA8I: + case GL_RGB10_A2UI: + case GL_RGBA16UI: + case GL_RGBA16I: + case GL_RGBA32I: + case GL_RGBA32UI: + break; + default: + context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat, + internalFormat); + return false; + } + + return true; +} +} // anonymous namespace + +static bool ValidateTexImageFormatCombination(const Context *context, + angle::EntryPoint entryPoint, + TextureType target, + GLenum internalFormat, + GLenum format, + GLenum type) +{ + // Different validation if on desktop api + if (context->getClientType() == EGL_OPENGL_API) + { + // The type and format are valid if any supported internal format has that type and format + if (!ValidDesktopFormat(format)) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat); + return false; + } + + if (!ValidDesktopType(type)) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType); + return false; + } + } + else + { + // The type and format are valid if any supported internal format has that type and format. + // ANGLE_texture_external_yuv_sampling extension adds support for YUV formats + if (gl::IsYuvFormat(format)) + { + if (!context->getExtensions().yuvInternalFormatANGLE) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat); + return false; + } + } + else + { + if (!ValidES3Format(format)) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat); + return false; + } + } + + if (!ValidES3Type(type) || (type == GL_HALF_FLOAT_OES && context->isWebGL())) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidType); + return false; + } + } + + // For historical reasons, glTexImage2D and glTexImage3D pass in their internal format as a + // GLint instead of a GLenum. Therefor an invalid internal format gives a GL_INVALID_VALUE + // error instead of a GL_INVALID_ENUM error. As this validation function is only called in + // the validation codepaths for glTexImage2D/3D, we record a GL_INVALID_VALUE error. + if (!ValidES3InternalFormat(internalFormat)) + { + context->validationErrorF(entryPoint, GL_INVALID_VALUE, kInvalidInternalFormat, + internalFormat); + return false; + } + + // From the ES 3.0 spec section 3.8.3: + // Textures with a base internal format of DEPTH_COMPONENT or DEPTH_STENCIL are supported by + // texture image specification commands only if target is TEXTURE_2D, TEXTURE_2D_ARRAY, or + // TEXTURE_CUBE_MAP.Using these formats in conjunction with any other target will result in an + // INVALID_OPERATION error. + if (target == TextureType::_3D && (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, k3DDepthStencil); + return false; + } + + if (context->getClientType() == EGL_OPENGL_API) + { + // Check if this is a valid format combination to load texture data + if (!ValidDesktopFormatCombination(format, type, internalFormat)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormatCombination); + return false; + } + } + else + { + // Check if this is a valid format combination to load texture data + // ANGLE_texture_external_yuv_sampling extension adds support for YUV formats + if (gl::IsYuvFormat(format)) + { + if (type != GL_UNSIGNED_BYTE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInvalidFormatCombination); + return false; + } + } + else + { + if (!ValidES3FormatCombination(format, type, internalFormat)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInvalidFormatCombination); + return false; + } + } + } + + const InternalFormat &formatInfo = GetInternalFormatInfo(internalFormat, type); + if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions())) + { + context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat, + internalFormat); + return false; + } + + return true; +} + +static bool ValidateES3CompressedFormatForTexture2DArray(const Context *context, + angle::EntryPoint entryPoint, + GLenum format) +{ + if (IsETC1Format(format) || IsPVRTC1Format(format)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInternalFormatRequiresTexture2D); + return false; + } + + return true; +} + +static bool ValidateES3CompressedFormatForTexture3D(const Context *context, + angle::EntryPoint entryPoint, + GLenum format) +{ + if (IsETC1Format(format) || IsPVRTC1Format(format)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInternalFormatRequiresTexture2D); + return false; + } + + if (IsETC2EACFormat(format)) + { + // ES 3.1, Section 8.7, page 169. + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInternalFormatRequiresTexture2DArray); + return false; + } + + if (IsASTC2DFormat(format) && !(context->getExtensions().textureCompressionAstcHdrKHR || + context->getExtensions().textureCompressionAstcSliced3dKHR)) + { + // GL_KHR_texture_compression_astc_hdr, TEXTURE_3D is not supported without HDR profile + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInternalFormatRequiresTexture2DArrayASTC); + return false; + } + + if (IsS3TCFormat(format)) + { + // GL_EXT_texture_compression_s3tc + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInternalFormatRequiresTexture2DArrayS3TC); + return false; + } + + if (IsRGTCFormat(format)) + { + // GL_EXT_texture_compression_rgtc + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInternalFormatRequiresTexture2DArrayRGTC); + return false; + } + + if (IsBPTCFormat(format) && (context->getLimitations().noCompressedTexture3D)) + { + // GL_EXT_texture_compression_bptc + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInternalFormatRequiresTexture2DArrayBPTC); + return false; + } + + return true; +} + +bool ValidateES3TexImageParametersBase(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLenum internalformat, + bool isCompressed, + bool isSubImage, + GLint xoffset, + GLint yoffset, + GLint zoffset, + GLsizei width, + GLsizei height, + GLsizei depth, + GLint border, + GLenum format, + GLenum type, + GLsizei imageSize, + const void *pixels) +{ + TextureType texType = TextureTargetToType(target); + + if (gl::IsYuvFormat(format)) + { + // According to ANGLE_yuv_internal_format, the texture needs to be an immutable + // texture, texture target can only be TEXTURE_2D and there is no mipmap support + if (!context->getExtensions().yuvInternalFormatANGLE || !isSubImage) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat); + return false; + } + + if (target != TextureTarget::_2D) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget); + return false; + } + + if (level != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel); + return false; + } + } + + // Validate image size + if (!ValidImageSizeParameters(context, entryPoint, texType, level, width, height, depth, + isSubImage)) + { + // Error already processed. + return false; + } + + // Verify zero border + if (border != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBorder); + return false; + } + + if (xoffset < 0 || yoffset < 0 || zoffset < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset); + return false; + } + + if (std::numeric_limits<GLsizei>::max() - xoffset < width || + std::numeric_limits<GLsizei>::max() - yoffset < height || + std::numeric_limits<GLsizei>::max() - zoffset < depth) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetOverflow); + return false; + } + + const Caps &caps = context->getCaps(); + + switch (texType) + { + case TextureType::_2D: + case TextureType::External: + case TextureType::VideoImage: + if (width > (caps.max2DTextureSize >> level) || + height > (caps.max2DTextureSize >> level)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + break; + + case TextureType::Rectangle: + ASSERT(level == 0); + if (width > caps.maxRectangleTextureSize || height > caps.maxRectangleTextureSize) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + if (isCompressed) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kRectangleTextureCompressed); + return false; + } + break; + + case TextureType::CubeMap: + if (!isSubImage && width != height) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kCubemapFacesEqualDimensions); + return false; + } + + if (width > (caps.maxCubeMapTextureSize >> level)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + break; + + case TextureType::_3D: + if (width > (caps.max3DTextureSize >> level) || + height > (caps.max3DTextureSize >> level) || + depth > (caps.max3DTextureSize >> level)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + break; + + case TextureType::_2DArray: + if (width > (caps.max2DTextureSize >> level) || + height > (caps.max2DTextureSize >> level) || depth > caps.maxArrayTextureLayers) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + break; + + case TextureType::CubeMapArray: + if (!isSubImage && width != height) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kCubemapFacesEqualDimensions); + return false; + } + + if (width > (caps.maxCubeMapTextureSize >> level)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + + if (width > (caps.max3DTextureSize >> level) || + height > (caps.max3DTextureSize >> level) || + depth > (caps.max3DTextureSize >> level)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + + if (!isSubImage && depth % 6 != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kCubemapInvalidDepth); + return false; + } + break; + + case TextureType::InvalidEnum: + context->validationError(entryPoint, GL_INVALID_ENUM, kEnumInvalid); + return false; + default: + context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, + ToGLenum(texType)); + return false; + } + + Texture *texture = context->getTextureByType(texType); + if (!texture) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kMissingTexture); + return false; + } + + if (texture->getImmutableFormat() && !isSubImage) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureIsImmutable); + return false; + } + + // Validate texture formats + GLenum actualInternalFormat = + isSubImage ? texture->getFormat(target, level).info->internalFormat : internalformat; + if (isSubImage && actualInternalFormat == GL_NONE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidMipLevel); + return false; + } + + const InternalFormat &actualFormatInfo = isSubImage + ? *texture->getFormat(target, level).info + : GetInternalFormatInfo(internalformat, type); + if (isCompressed) + { + // compressedTexSubImage does not generate GL_INVALID_ENUM when format is unknown or invalid + if (!isSubImage) + { + if (!actualFormatInfo.compressed && !actualFormatInfo.paletted) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kCompressedMismatch); + return false; + } + + if (!actualFormatInfo.textureSupport(context->getClientVersion(), + context->getExtensions())) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat); + return false; + } + } + + if (texType == TextureType::_2DArray) + { + GLenum compressedDataFormat = isSubImage ? format : internalformat; + if (!ValidateES3CompressedFormatForTexture2DArray(context, entryPoint, + compressedDataFormat)) + { + // Error already generated. + return false; + } + } + + if (texType == TextureType::_3D) + { + GLenum compressedDataFormat = isSubImage ? format : internalformat; + if (!ValidateES3CompressedFormatForTexture3D(context, entryPoint, compressedDataFormat)) + { + // Error already generated. + return false; + } + } + + if (isSubImage) + { + if (!ValidCompressedSubImageSize( + context, actualFormatInfo.internalFormat, xoffset, yoffset, zoffset, width, + height, depth, texture->getWidth(target, level), + texture->getHeight(target, level), texture->getDepth(target, level))) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInvalidCompressedImageSize); + return false; + } + + if (format != actualInternalFormat) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kMismatchedFormat); + return false; + } + + // GL_EXT_compressed_ETC1_RGB8_sub_texture allows this format + if (IsETC1Format(actualInternalFormat) && + !context->getExtensions().compressedETC1RGB8SubTextureEXT) + { + context->validationErrorF(entryPoint, GL_INVALID_OPERATION, kInvalidInternalFormat, + internalformat); + return false; + } + } + else + { + if (!ValidCompressedImageSize(context, actualInternalFormat, level, width, height, + depth)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInvalidCompressedImageSize); + return false; + } + } + + // Disallow 3D-only compressed formats from being set on 2D textures + if (actualFormatInfo.compressedBlockDepth > 1 && texType != TextureType::_2DArray) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureTarget); + return false; + } + } + else + { + // Compressed formats are not valid internal formats for glTexImage*D + if (!isSubImage) + { + const InternalFormat &internalFormatInfo = GetSizedInternalFormatInfo(internalformat); + if (internalFormatInfo.compressed) + { + context->validationErrorF(entryPoint, GL_INVALID_VALUE, kInvalidInternalFormat, + internalformat); + return false; + } + } + + if (!ValidateTexImageFormatCombination(context, entryPoint, texType, actualInternalFormat, + format, type)) + { + return false; + } + } + + // Validate sub image parameters + if (isSubImage) + { + if (isCompressed != actualFormatInfo.compressed) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kCompressedMismatch); + return false; + } + + if (xoffset < 0 || yoffset < 0 || zoffset < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset); + return false; + } + + if (std::numeric_limits<GLsizei>::max() - xoffset < width || + std::numeric_limits<GLsizei>::max() - yoffset < height || + std::numeric_limits<GLsizei>::max() - zoffset < depth) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetOverflow); + return false; + } + + if (static_cast<size_t>(xoffset + width) > texture->getWidth(target, level) || + static_cast<size_t>(yoffset + height) > texture->getHeight(target, level) || + static_cast<size_t>(zoffset + depth) > texture->getDepth(target, level)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetOverflow); + return false; + } + + if (width > 0 && height > 0 && depth > 0 && pixels == nullptr && + context->getState().getTargetBuffer(BufferBinding::PixelUnpack) == nullptr) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kPixelDataNull); + return false; + } + } + + GLenum sizeCheckFormat = isSubImage ? format : internalformat; + if (!ValidImageDataSize(context, entryPoint, texType, width, height, depth, sizeCheckFormat, + type, pixels, imageSize)) + { + return false; + } + + // Check for pixel unpack buffer related API errors + Buffer *pixelUnpackBuffer = context->getState().getTargetBuffer(BufferBinding::PixelUnpack); + if (pixelUnpackBuffer != nullptr) + { + // ...data is not evenly divisible into the number of bytes needed to store in memory a + // datum + // indicated by type. + if (!isCompressed) + { + size_t offset = reinterpret_cast<size_t>(pixels); + size_t dataBytesPerPixel = static_cast<size_t>(GetTypeInfo(type).bytes); + + if ((offset % dataBytesPerPixel) != 0) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kDataTypeNotAligned); + return false; + } + } + + // ...the buffer object's data store is currently mapped but not persistently. + if (pixelUnpackBuffer->isMapped() && !pixelUnpackBuffer->isPersistentlyMapped()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferMapped); + return false; + } + } + + if (context->getExtensions().webglCompatibilityANGLE) + { + // Define: + // DataStoreWidth = (GL_UNPACK_ROW_LENGTH ? GL_UNPACK_ROW_LENGTH : width) + // DataStoreHeight = (GL_UNPACK_IMAGE_HEIGHT ? GL_UNPACK_IMAGE_HEIGHT : height) + // + // WebGL 2.0 imposes the following additional constraints: + // + // 1) texImage2D and texSubImage2D generate INVALID_OPERATION if: + // GL_UNPACK_SKIP_PIXELS + width > DataStoreWidth + // except for texImage2D if no GL_PIXEL_UNPACK_BUFFER is + // bound and _pixels_ is null. + // + // 2) texImage3D and texSubImage3D generate INVALID_OPERATION if: + // GL_UNPACK_SKIP_PIXELS + width > DataStoreWidth + // GL_UNPACK_SKIP_ROWS + height > DataStoreHeight + // except for texImage3D if no GL_PIXEL_UNPACK_BUFFER is + // bound and _pixels_ is null. + if (!pixelUnpackBuffer && !pixels && !isSubImage) + { + // Exception case for texImage2D or texImage3D, above. + } + else + { + const auto &unpack = context->getState().getUnpackState(); + GLint dataStoreWidth = unpack.rowLength ? unpack.rowLength : width; + if (unpack.skipPixels + width > dataStoreWidth) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInvalidUnpackParametersForWebGL); + return false; + } + if (target == TextureTarget::_3D || target == TextureTarget::_2DArray) + { + GLint dataStoreHeight = unpack.imageHeight ? unpack.imageHeight : height; + if (unpack.skipRows + height > dataStoreHeight) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInvalidUnpackParametersForWebGL); + return false; + } + } + } + } + + return true; +} + +bool ValidateES3TexImage2DParameters(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLenum internalformat, + bool isCompressed, + bool isSubImage, + GLint xoffset, + GLint yoffset, + GLint zoffset, + GLsizei width, + GLsizei height, + GLsizei depth, + GLint border, + GLenum format, + GLenum type, + GLsizei imageSize, + const void *pixels) +{ + if (!ValidTexture2DDestinationTarget(context, target)) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget); + return false; + } + + return ValidateES3TexImageParametersBase( + context, entryPoint, target, level, internalformat, isCompressed, isSubImage, xoffset, + yoffset, zoffset, width, height, depth, border, format, type, imageSize, pixels); +} + +bool ValidateES3TexImage3DParameters(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLenum internalformat, + bool isCompressed, + bool isSubImage, + GLint xoffset, + GLint yoffset, + GLint zoffset, + GLsizei width, + GLsizei height, + GLsizei depth, + GLint border, + GLenum format, + GLenum type, + GLsizei bufSize, + const void *pixels) +{ + if (!ValidTexture3DDestinationTarget(context, target)) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget); + return false; + } + + return ValidateES3TexImageParametersBase( + context, entryPoint, target, level, internalformat, isCompressed, isSubImage, xoffset, + yoffset, zoffset, width, height, depth, border, format, type, bufSize, pixels); +} + +struct EffectiveInternalFormatInfo +{ + GLenum effectiveFormat; + GLenum destFormat; + GLuint minRedBits; + GLuint maxRedBits; + GLuint minGreenBits; + GLuint maxGreenBits; + GLuint minBlueBits; + GLuint maxBlueBits; + GLuint minAlphaBits; + GLuint maxAlphaBits; +}; + +static bool QueryEffectiveFormatList(const InternalFormat &srcFormat, + GLenum targetFormat, + const EffectiveInternalFormatInfo *list, + size_t size, + GLenum *outEffectiveFormat) +{ + for (size_t curFormat = 0; curFormat < size; ++curFormat) + { + const EffectiveInternalFormatInfo &formatInfo = list[curFormat]; + if ((formatInfo.destFormat == targetFormat) && + (formatInfo.minRedBits <= srcFormat.redBits && + formatInfo.maxRedBits >= srcFormat.redBits) && + (formatInfo.minGreenBits <= srcFormat.greenBits && + formatInfo.maxGreenBits >= srcFormat.greenBits) && + (formatInfo.minBlueBits <= srcFormat.blueBits && + formatInfo.maxBlueBits >= srcFormat.blueBits) && + (formatInfo.minAlphaBits <= srcFormat.alphaBits && + formatInfo.maxAlphaBits >= srcFormat.alphaBits)) + { + *outEffectiveFormat = formatInfo.effectiveFormat; + return true; + } + } + + *outEffectiveFormat = GL_NONE; + return false; +} + +bool GetSizedEffectiveInternalFormatInfo(const InternalFormat &srcFormat, + GLenum *outEffectiveFormat) +{ + // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141: + // Effective internal format coresponding to destination internal format and linear source + // buffer component sizes. + // | Source channel min/max sizes | + // Effective Internal Format | N/A | R | G | B | A | + // clang-format off + constexpr EffectiveInternalFormatInfo list[] = { + { GL_ALPHA8_EXT, GL_NONE, 0, 0, 0, 0, 0, 0, 1, 8 }, + { GL_R8, GL_NONE, 1, 8, 0, 0, 0, 0, 0, 0 }, + { GL_RG8, GL_NONE, 1, 8, 1, 8, 0, 0, 0, 0 }, + { GL_RGB565, GL_NONE, 1, 5, 1, 6, 1, 5, 0, 0 }, + { GL_RGB8, GL_NONE, 6, 8, 7, 8, 6, 8, 0, 0 }, + { GL_RGBA4, GL_NONE, 1, 4, 1, 4, 1, 4, 1, 4 }, + { GL_RGB5_A1, GL_NONE, 5, 5, 5, 5, 5, 5, 1, 1 }, + { GL_RGBA8, GL_NONE, 5, 8, 5, 8, 5, 8, 2, 8 }, + { GL_RGB10_A2, GL_NONE, 9, 10, 9, 10, 9, 10, 2, 2 }, + }; + // clang-format on + + return QueryEffectiveFormatList(srcFormat, GL_NONE, list, ArraySize(list), outEffectiveFormat); +} + +bool GetUnsizedEffectiveInternalFormatInfo(const InternalFormat &srcFormat, + const InternalFormat &destFormat, + GLenum *outEffectiveFormat) +{ + constexpr GLuint umax = UINT_MAX; + + // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141: + // Effective internal format coresponding to destination internal format andlinear source buffer + // component sizes. + // | Source channel min/max sizes | + // Effective Internal Format | Dest Format | R | G | B | A | + // clang-format off + constexpr EffectiveInternalFormatInfo list[] = { + { GL_ALPHA8_EXT, GL_ALPHA, 0, umax, 0, umax, 0, umax, 1, 8 }, + { GL_LUMINANCE8_EXT, GL_LUMINANCE, 1, 8, 0, umax, 0, umax, 0, umax }, + { GL_LUMINANCE8_ALPHA8_EXT, GL_LUMINANCE_ALPHA, 1, 8, 0, umax, 0, umax, 1, 8 }, + { GL_RGB565, GL_RGB, 1, 5, 1, 6, 1, 5, 0, umax }, + { GL_RGB8, GL_RGB, 6, 8, 7, 8, 6, 8, 0, umax }, + { GL_RGBA4, GL_RGBA, 1, 4, 1, 4, 1, 4, 1, 4 }, + { GL_RGB5_A1, GL_RGBA, 5, 5, 5, 5, 5, 5, 1, 1 }, + { GL_RGBA8, GL_RGBA, 5, 8, 5, 8, 5, 8, 5, 8 }, + }; + // clang-format on + + return QueryEffectiveFormatList(srcFormat, destFormat.format, list, ArraySize(list), + outEffectiveFormat); +} + +static bool GetEffectiveInternalFormat(const InternalFormat &srcFormat, + const InternalFormat &destFormat, + GLenum *outEffectiveFormat) +{ + if (destFormat.sized) + { + return GetSizedEffectiveInternalFormatInfo(srcFormat, outEffectiveFormat); + } + else + { + return GetUnsizedEffectiveInternalFormatInfo(srcFormat, destFormat, outEffectiveFormat); + } +} + +static bool EqualOrFirstZero(GLuint first, GLuint second) +{ + return first == 0 || first == second; +} + +static bool IsValidES3CopyTexImageCombination(const InternalFormat &textureFormatInfo, + const InternalFormat &framebufferFormatInfo, + FramebufferID readBufferHandle) +{ + if (!ValidES3CopyConversion(textureFormatInfo.format, framebufferFormatInfo.format)) + { + return false; + } + + // Section 3.8.5 of the GLES 3.0.3 spec states that source and destination formats + // must both be signed, unsigned, or fixed point and both source and destinations + // must be either both SRGB or both not SRGB. EXT_color_buffer_float adds allowed + // conversion between fixed and floating point. + + if ((textureFormatInfo.colorEncoding == GL_SRGB) != + (framebufferFormatInfo.colorEncoding == GL_SRGB)) + { + return false; + } + + if (((textureFormatInfo.componentType == GL_INT) != + (framebufferFormatInfo.componentType == GL_INT)) || + ((textureFormatInfo.componentType == GL_UNSIGNED_INT) != + (framebufferFormatInfo.componentType == GL_UNSIGNED_INT))) + { + return false; + } + + if ((textureFormatInfo.componentType == GL_UNSIGNED_NORMALIZED || + textureFormatInfo.componentType == GL_SIGNED_NORMALIZED) && + !(framebufferFormatInfo.componentType == GL_UNSIGNED_NORMALIZED || + framebufferFormatInfo.componentType == GL_SIGNED_NORMALIZED)) + { + return false; + } + + // SNORM is not supported (e.g. is not in the tables of "effective internal format" that + // correspond to internal formats. + if (textureFormatInfo.componentType == GL_SIGNED_NORMALIZED) + { + return false; + } + + // Section 3.8.5 of the GLES 3.0.3 (and section 8.6 of the GLES 3.2) spec has a caveat, that + // the KHR dEQP tests enforce: + // + // Note that the above rules disallow matches where some components sizes are smaller and + // others are larger (such as RGB10_A2). + if (!textureFormatInfo.sized && (framebufferFormatInfo.internalFormat == GL_RGB10_A2)) + { + return false; + } + + // GLES specification 3.0.3, sec 3.8.5, pg 139-140: + // The effective internal format of the source buffer is determined with the following rules + // applied in order: + // * If the source buffer is a texture or renderbuffer that was created with a sized internal + // format then the effective internal format is the source buffer's sized internal format. + // * If the source buffer is a texture that was created with an unsized base internal format, + // then the effective internal format is the source image array's effective internal + // format, as specified by table 3.12, which is determined from the <format> and <type> + // that were used when the source image array was specified by TexImage*. + // * Otherwise the effective internal format is determined by the row in table 3.17 or 3.18 + // where Destination Internal Format matches internalformat and where the [source channel + // sizes] are consistent with the values of the source buffer's [channel sizes]. Table 3.17 + // is used if the FRAMEBUFFER_ATTACHMENT_ENCODING is LINEAR and table 3.18 is used if the + // FRAMEBUFFER_ATTACHMENT_ENCODING is SRGB. + const InternalFormat *sourceEffectiveFormat = nullptr; + if (readBufferHandle.value != 0) + { + // Not the default framebuffer, therefore the read buffer must be a user-created texture or + // renderbuffer + if (framebufferFormatInfo.sized) + { + sourceEffectiveFormat = &framebufferFormatInfo; + } + else + { + // Renderbuffers cannot be created with an unsized internal format, so this must be an + // unsized-format texture. We can use the same table we use when creating textures to + // get its effective sized format. + sourceEffectiveFormat = + &GetSizedInternalFormatInfo(framebufferFormatInfo.sizedInternalFormat); + } + } + else + { + // The effective internal format must be derived from the source framebuffer's channel + // sizes. This is done in GetEffectiveInternalFormat for linear buffers (table 3.17) + if (framebufferFormatInfo.colorEncoding == GL_LINEAR) + { + GLenum effectiveFormat; + if (GetEffectiveInternalFormat(framebufferFormatInfo, textureFormatInfo, + &effectiveFormat)) + { + sourceEffectiveFormat = &GetSizedInternalFormatInfo(effectiveFormat); + } + else + { + return false; + } + } + else if (framebufferFormatInfo.colorEncoding == GL_SRGB) + { + // SRGB buffers can only be copied to sized format destinations according to table 3.18 + if (textureFormatInfo.sized && + (framebufferFormatInfo.redBits >= 1 && framebufferFormatInfo.redBits <= 8) && + (framebufferFormatInfo.greenBits >= 1 && framebufferFormatInfo.greenBits <= 8) && + (framebufferFormatInfo.blueBits >= 1 && framebufferFormatInfo.blueBits <= 8) && + (framebufferFormatInfo.alphaBits >= 1 && framebufferFormatInfo.alphaBits <= 8)) + { + sourceEffectiveFormat = &GetSizedInternalFormatInfo(GL_SRGB8_ALPHA8); + } + else + { + return false; + } + } + else + { + UNREACHABLE(); + return false; + } + } + + if (textureFormatInfo.sized) + { + // Section 3.8.5 of the GLES 3.0.3 spec, pg 139, requires that, if the destination format is + // sized, component sizes of the source and destination formats must exactly match if the + // destination format exists. + if (!EqualOrFirstZero(textureFormatInfo.redBits, sourceEffectiveFormat->redBits) || + !EqualOrFirstZero(textureFormatInfo.greenBits, sourceEffectiveFormat->greenBits) || + !EqualOrFirstZero(textureFormatInfo.blueBits, sourceEffectiveFormat->blueBits) || + !EqualOrFirstZero(textureFormatInfo.alphaBits, sourceEffectiveFormat->alphaBits)) + { + return false; + } + } + + return true; // A conversion function exists, and no rule in the specification has precluded + // conversion between these formats. +} + +bool ValidateES3CopyTexImageParametersBase(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLenum internalformat, + bool isSubImage, + GLint xoffset, + GLint yoffset, + GLint zoffset, + GLint x, + GLint y, + GLsizei width, + GLsizei height, + GLint border) +{ + Format textureFormat = Format::Invalid(); + if (!ValidateCopyTexImageParametersBase(context, entryPoint, target, level, internalformat, + isSubImage, xoffset, yoffset, zoffset, x, y, width, + height, border, &textureFormat)) + { + return false; + } + ASSERT(textureFormat.valid() || !isSubImage); + + const auto &state = context->getState(); + Framebuffer *framebuffer = state.getReadFramebuffer(); + FramebufferID readFramebufferID = framebuffer->id(); + + if (!ValidateFramebufferComplete(context, entryPoint, framebuffer)) + { + return false; + } + + // needIntrinsic = true. Treat renderToTexture textures as single sample since they will be + // resolved before copying + if (!framebuffer->isDefault() && + !ValidateFramebufferNotMultisampled(context, entryPoint, framebuffer, true)) + { + return false; + } + + const FramebufferAttachment *source = framebuffer->getReadColorAttachment(); + + // According to ES 3.x spec, if the internalformat of the texture + // is RGB9_E5 and copy to such a texture, generate INVALID_OPERATION. + if (textureFormat.info->internalFormat == GL_RGB9_E5) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidFormat); + return false; + } + + if (isSubImage) + { + if (!IsValidES3CopyTexImageCombination(*textureFormat.info, *source->getFormat().info, + readFramebufferID)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidCopyCombination); + return false; + } + } + else + { + // Use format/type from the source FBO. (Might not be perfect for all cases?) + const InternalFormat &framebufferFormat = *source->getFormat().info; + const InternalFormat ©Format = GetInternalFormatInfo(internalformat, GL_UNSIGNED_BYTE); + if (!IsValidES3CopyTexImageCombination(copyFormat, framebufferFormat, readFramebufferID)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidCopyCombination); + return false; + } + } + + // If width or height is zero, it is a no-op. Return false without setting an error. + return (width > 0 && height > 0); +} + +bool ValidateES3CopyTexImage2DParameters(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLenum internalformat, + bool isSubImage, + GLint xoffset, + GLint yoffset, + GLint zoffset, + GLint x, + GLint y, + GLsizei width, + GLsizei height, + GLint border) +{ + if (!ValidTexture2DDestinationTarget(context, target)) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget); + return false; + } + + return ValidateES3CopyTexImageParametersBase(context, entryPoint, target, level, internalformat, + isSubImage, xoffset, yoffset, zoffset, x, y, width, + height, border); +} + +bool ValidateES3CopyTexImage3DParameters(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLenum internalformat, + bool isSubImage, + GLint xoffset, + GLint yoffset, + GLint zoffset, + GLint x, + GLint y, + GLsizei width, + GLsizei height, + GLint border) +{ + if (!ValidTexture3DDestinationTarget(context, target)) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget); + return false; + } + + return ValidateES3CopyTexImageParametersBase(context, entryPoint, target, level, internalformat, + isSubImage, xoffset, yoffset, zoffset, x, y, width, + height, border); +} + +bool ValidateES3TexStorageParametersLevel(const Context *context, + angle::EntryPoint entryPoint, + TextureType target, + GLsizei levels, + GLsizei width, + GLsizei height, + GLsizei depth) +{ + GLsizei maxDim = std::max(width, height); + if (target != TextureType::_2DArray) + { + maxDim = std::max(maxDim, depth); + } + + if (levels > log2(maxDim) + 1) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidMipLevels); + return false; + } + + return true; +} + +bool ValidateES3TexStorageParametersExtent(const Context *context, + angle::EntryPoint entryPoint, + TextureType target, + GLsizei levels, + GLsizei width, + GLsizei height, + GLsizei depth) +{ + const Caps &caps = context->getCaps(); + + switch (target) + { + case TextureType::_2D: + { + if (width > caps.max2DTextureSize || height > caps.max2DTextureSize) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + } + break; + + case TextureType::Rectangle: + { + if (levels != 1) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevels); + return false; + } + + if (width > caps.maxRectangleTextureSize || height > caps.maxRectangleTextureSize) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + } + break; + + case TextureType::CubeMap: + { + if (width != height) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kCubemapFacesEqualDimensions); + return false; + } + + if (width > caps.maxCubeMapTextureSize) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + } + break; + + case TextureType::_3D: + { + if (width > caps.max3DTextureSize || height > caps.max3DTextureSize || + depth > caps.max3DTextureSize) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + } + break; + + case TextureType::_2DArray: + { + if (width > caps.max2DTextureSize || height > caps.max2DTextureSize || + depth > caps.maxArrayTextureLayers) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + } + break; + + case TextureType::CubeMapArray: + { + if (width != height) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kCubemapFacesEqualDimensions); + return false; + } + + if (width > caps.maxCubeMapTextureSize) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + + if (width > caps.max3DTextureSize || height > caps.max3DTextureSize || + depth > caps.max3DTextureSize) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kResourceMaxTextureSize); + return false; + } + + if (depth % 6 != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kCubemapInvalidDepth); + return false; + } + } + break; + + default: + UNREACHABLE(); + return false; + } + + return true; +} + +bool ValidateES3TexStorageParametersTexObject(const Context *context, + angle::EntryPoint entryPoint, + TextureType target) +{ + Texture *texture = context->getTextureByType(target); + if (!texture || texture->id().value == 0) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kMissingTexture); + return false; + } + + if (texture->getImmutableFormat()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kTextureIsImmutable); + return false; + } + + return true; +} + +bool ValidateES3TexStorageParametersFormat(const Context *context, + angle::EntryPoint entryPoint, + TextureType target, + GLsizei levels, + GLenum internalformat, + GLsizei width, + GLsizei height, + GLsizei depth) +{ + // From ANGLE_texture_external_yuv_sampling: + // Texture target can only be TEXTURE_2D, there is no mipmap support + if (gl::IsYuvFormat(internalformat)) + { + if (!context->getExtensions().yuvInternalFormatANGLE) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat); + return false; + } + + if (target != TextureType::_2D) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget); + return false; + } + + if (levels != 1) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidMipLevel); + return false; + } + } + + const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalformat); + if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions())) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat); + return false; + } + + if (!formatInfo.sized) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFormat); + return false; + } + + if (formatInfo.compressed) + { + if (target == TextureType::Rectangle) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kRectangleTextureCompressed); + return false; + } + + if (target == TextureType::_2DArray) + { + if (!ValidateES3CompressedFormatForTexture2DArray(context, entryPoint, + formatInfo.internalFormat)) + { + // Error already generated. + return false; + } + } + + if (target == TextureType::_3D) + { + if (!ValidateES3CompressedFormatForTexture3D(context, entryPoint, + formatInfo.internalFormat)) + { + // Error already generated. + return false; + } + } + + if (!ValidCompressedImageSize(context, formatInfo.internalFormat, 0, width, height, depth)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidCompressedImageSize); + return false; + } + } + + return true; +} + +bool ValidateES3TexStorageParametersBase(const Context *context, + angle::EntryPoint entryPoint, + TextureType target, + GLsizei levels, + GLenum internalformat, + GLsizei width, + GLsizei height, + GLsizei depth) +{ + if (width < 1 || height < 1 || depth < 1 || levels < 1) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kTextureSizeTooSmall); + return false; + } + + if (!ValidateES3TexStorageParametersLevel(context, entryPoint, target, levels, width, height, + depth)) + { + // Error already generated. + return false; + } + + if (!ValidateES3TexStorageParametersExtent(context, entryPoint, target, levels, width, height, + depth)) + { + // Error already generated. + return false; + } + + if (!ValidateES3TexStorageParametersTexObject(context, entryPoint, target)) + { + // Error already generated. + return false; + } + + if (!ValidateES3TexStorageParametersFormat(context, entryPoint, target, levels, internalformat, + width, height, depth)) + { + // Error already generated. + return false; + } + + return true; +} + +bool ValidateES3TexStorage2DParameters(const Context *context, + angle::EntryPoint entryPoint, + TextureType target, + GLsizei levels, + GLenum internalformat, + GLsizei width, + GLsizei height, + GLsizei depth) +{ + if (!ValidTexture2DTarget(context, target)) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget); + return false; + } + + return ValidateES3TexStorageParametersBase(context, entryPoint, target, levels, internalformat, + width, height, depth); +} + +bool ValidateES3TexStorage3DParameters(const Context *context, + angle::EntryPoint entryPoint, + TextureType target, + GLsizei levels, + GLenum internalformat, + GLsizei width, + GLsizei height, + GLsizei depth) +{ + if (!ValidTexture3DTarget(context, target)) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget); + return false; + } + + return ValidateES3TexStorageParametersBase(context, entryPoint, target, levels, internalformat, + width, height, depth); +} + +bool ValidateBeginQuery(const Context *context, + angle::EntryPoint entryPoint, + QueryType target, + QueryID id) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateBeginQueryBase(context, entryPoint, target, id); +} + +bool ValidateEndQuery(const Context *context, angle::EntryPoint entryPoint, QueryType target) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateEndQueryBase(context, entryPoint, target); +} + +bool ValidateGetQueryiv(const Context *context, + angle::EntryPoint entryPoint, + QueryType target, + GLenum pname, + const GLint *params) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateGetQueryivBase(context, entryPoint, target, pname, nullptr); +} + +bool ValidateGetQueryObjectuiv(const Context *context, + angle::EntryPoint entryPoint, + QueryID id, + GLenum pname, + const GLuint *params) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateGetQueryObjectValueBase(context, entryPoint, id, pname, nullptr); +} + +bool ValidateFramebufferTextureLayer(const Context *context, + angle::EntryPoint entryPoint, + GLenum target, + GLenum attachment, + TextureID texture, + GLint level, + GLint layer) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!ValidateFramebufferTextureBase(context, entryPoint, target, attachment, texture, level)) + { + return false; + } + + const Caps &caps = context->getCaps(); + if (texture.value != 0) + { + if (layer < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeLayer); + return false; + } + + Texture *tex = context->getTexture(texture); + ASSERT(tex); + + switch (tex->getType()) + { + case TextureType::_2DArray: + { + if (level > log2(caps.max2DTextureSize)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kFramebufferTextureInvalidMipLevel); + return false; + } + + if (layer >= caps.maxArrayTextureLayers) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kFramebufferTextureInvalidLayer); + return false; + } + } + break; + + case TextureType::_3D: + { + if (level > log2(caps.max3DTextureSize)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kFramebufferTextureInvalidMipLevel); + return false; + } + + if (layer >= caps.max3DTextureSize) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kFramebufferTextureInvalidLayer); + return false; + } + } + break; + + case TextureType::_2DMultisampleArray: + { + if (level != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kFramebufferTextureInvalidMipLevel); + return false; + } + + if (layer >= caps.maxArrayTextureLayers) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kFramebufferTextureInvalidLayer); + return false; + } + } + break; + + case TextureType::CubeMap: + { + if (level > log2(caps.maxCubeMapTextureSize)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kFramebufferTextureInvalidMipLevel); + return false; + } + + if (layer >= static_cast<GLint>(kCubeFaceCount)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kFramebufferTextureInvalidLayer); + return false; + } + } + break; + + case TextureType::CubeMapArray: + { + if (level > log2(caps.maxCubeMapTextureSize)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kFramebufferTextureInvalidMipLevel); + return false; + } + + if (layer >= caps.maxArrayTextureLayers) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kFramebufferTextureInvalidLayer); + return false; + } + } + break; + + default: + context->validationError(entryPoint, GL_INVALID_OPERATION, + kFramebufferTextureLayerIncorrectTextureType); + return false; + } + + const auto &format = tex->getFormat(TextureTypeToTarget(tex->getType(), layer), level); + if (format.info->compressed) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kCompressedTexturesNotAttachable); + return false; + } + } + + return true; +} + +bool ValidateInvalidateFramebuffer(const Context *context, + angle::EntryPoint entryPoint, + GLenum target, + GLsizei numAttachments, + const GLenum *attachments) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + bool defaultFramebuffer = false; + + switch (target) + { + case GL_DRAW_FRAMEBUFFER: + case GL_FRAMEBUFFER: + defaultFramebuffer = context->getState().getDrawFramebuffer()->isDefault(); + break; + case GL_READ_FRAMEBUFFER: + defaultFramebuffer = context->getState().getReadFramebuffer()->isDefault(); + break; + default: + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFramebufferTarget); + return false; + } + + return ValidateDiscardFramebufferBase(context, entryPoint, target, numAttachments, attachments, + defaultFramebuffer); +} + +bool ValidateInvalidateSubFramebuffer(const Context *context, + angle::EntryPoint entryPoint, + GLenum target, + GLsizei numAttachments, + const GLenum *attachments, + GLint x, + GLint y, + GLsizei width, + GLsizei height) +{ + if (width < 0 || height < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize); + return false; + } + + return ValidateInvalidateFramebuffer(context, entryPoint, target, numAttachments, attachments); +} + +bool ValidateClearBuffer(const Context *context, angle::EntryPoint entryPoint) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!ValidateFramebufferComplete(context, entryPoint, context->getState().getDrawFramebuffer())) + { + return false; + } + + return true; +} + +bool ValidateDrawRangeElements(const Context *context, + angle::EntryPoint entryPoint, + PrimitiveMode mode, + GLuint start, + GLuint end, + GLsizei count, + DrawElementsType type, + const void *indices) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (end < start) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidElementRange); + return false; + } + + if (!ValidateDrawElementsCommon(context, entryPoint, mode, count, type, indices, 0)) + { + return false; + } + + // Skip range checks for no-op calls. + if (count <= 0) + { + return true; + } + + return true; +} + +bool ValidateGetUniformuiv(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + UniformLocation location, + const GLuint *params) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateGetUniformBase(context, entryPoint, program, location); +} + +bool ValidateReadBuffer(const Context *context, angle::EntryPoint entryPoint, GLenum src) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + const Framebuffer *readFBO = context->getState().getReadFramebuffer(); + + if (readFBO == nullptr) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kNoReadFramebuffer); + return false; + } + + if (src == GL_NONE) + { + return true; + } + + if (src != GL_BACK && (src < GL_COLOR_ATTACHMENT0 || src > GL_COLOR_ATTACHMENT31)) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidReadBuffer); + return false; + } + + if (readFBO->isDefault()) + { + if (src != GL_BACK) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidDefaultReadBuffer); + return false; + } + } + else + { + GLuint drawBuffer = static_cast<GLuint>(src - GL_COLOR_ATTACHMENT0); + + if (drawBuffer >= static_cast<GLuint>(context->getCaps().maxColorAttachments)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExceedsMaxColorAttachments); + return false; + } + } + + return true; +} + +bool ValidateCompressedTexImage3D(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLenum internalformat, + GLsizei width, + GLsizei height, + GLsizei depth, + GLint border, + GLsizei imageSize, + const void *data) +{ + if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!ValidTextureTarget(context, TextureTargetToType(target))) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget); + return false; + } + + // Validate image size + if (!ValidImageSizeParameters(context, entryPoint, TextureTargetToType(target), level, width, + height, depth, false)) + { + // Error already generated. + return false; + } + + const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalformat); + if (!formatInfo.compressed) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidCompressedFormat); + return false; + } + + GLuint blockSize = 0; + if (!formatInfo.computeCompressedImageSize(Extents(width, height, depth), &blockSize)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kIntegerOverflow); + return false; + } + + if (imageSize < 0 || static_cast<GLuint>(imageSize) != blockSize) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidCompressedImageSize); + return false; + } + + // 3D texture target validation + if (target != TextureTarget::_3D && target != TextureTarget::_2DArray) + { + if (context->getClientVersion() < ES_3_2 || target != TextureTarget::CubeMapArray) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidTextureTarget); + return false; + } + } + + // validateES3TexImageFormat sets the error code if there is an error + if (!ValidateES3TexImage3DParameters(context, entryPoint, target, level, internalformat, true, + false, 0, 0, 0, width, height, depth, border, GL_NONE, + GL_NONE, -1, data)) + { + return false; + } + + return true; +} + +bool ValidateCompressedTexImage3DRobustANGLE(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLenum internalformat, + GLsizei width, + GLsizei height, + GLsizei depth, + GLint border, + GLsizei imageSize, + GLsizei dataSize, + const void *data) +{ + if (!ValidateRobustCompressedTexImageBase(context, entryPoint, imageSize, dataSize)) + { + return false; + } + + return ValidateCompressedTexImage3D(context, entryPoint, target, level, internalformat, width, + height, depth, border, imageSize, data); +} + +bool ValidateBindVertexArray(const Context *context, + angle::EntryPoint entryPoint, + VertexArrayID array) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateBindVertexArrayBase(context, entryPoint, array); +} + +bool ValidateIsVertexArray(const Context *context, + angle::EntryPoint entryPoint, + VertexArrayID array) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return true; +} + +static bool ValidateBindBufferCommon(const Context *context, + angle::EntryPoint entryPoint, + BufferBinding target, + GLuint index, + BufferID buffer, + GLintptr offset, + GLsizeiptr size) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (buffer.value != 0 && offset < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset); + return false; + } + + if (!context->getState().isBindGeneratesResourceEnabled() && + !context->isBufferGenerated(buffer)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kObjectNotGenerated); + return false; + } + + const Caps &caps = context->getCaps(); + switch (target) + { + case BufferBinding::TransformFeedback: + { + if (index >= static_cast<GLuint>(caps.maxTransformFeedbackSeparateAttributes)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kIndexExceedsTransformFeedbackBufferBindings); + return false; + } + if (buffer.value != 0 && ((offset % 4) != 0 || (size % 4) != 0)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetAndSizeAlignment); + return false; + } + + if (context->getState().isTransformFeedbackActive()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kTransformFeedbackTargetActive); + return false; + } + break; + } + case BufferBinding::Uniform: + { + if (index >= static_cast<GLuint>(caps.maxUniformBufferBindings)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kIndexExceedsMaxUniformBufferBindings); + return false; + } + + ASSERT(caps.uniformBufferOffsetAlignment); + if (buffer.value != 0 && (offset % caps.uniformBufferOffsetAlignment) != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kUniformBufferOffsetAlignment); + return false; + } + break; + } + case BufferBinding::AtomicCounter: + { + if (context->getClientVersion() < ES_3_1) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31); + return false; + } + if (index >= static_cast<GLuint>(caps.maxAtomicCounterBufferBindings)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kIndexExceedsMaxAtomicCounterBufferBindings); + return false; + } + if (buffer.value != 0 && (offset % 4) != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kOffsetAlignment); + return false; + } + break; + } + case BufferBinding::ShaderStorage: + { + if (context->getClientVersion() < ES_3_1) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31); + return false; + } + if (index >= static_cast<GLuint>(caps.maxShaderStorageBufferBindings)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kExceedsMaxShaderStorageBufferBindings); + return false; + } + ASSERT(caps.shaderStorageBufferOffsetAlignment); + if (buffer.value != 0 && (offset % caps.shaderStorageBufferOffsetAlignment) != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kShaderStorageBufferOffsetAlignment); + return false; + } + break; + } + case BufferBinding::Texture: + { + if (!context->getExtensions().textureBufferAny()) + { + context->validationError(entryPoint, GL_INVALID_ENUM, + kTextureBufferExtensionNotAvailable); + return false; + } + if (index != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kIndexExceedsMaxUniformBufferBindings); + return false; + } + if (buffer.value != 0 && (offset % caps.textureBufferOffsetAlignment) != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kTextureBufferOffsetAlignment); + return false; + } + break; + } + case BufferBinding::InvalidEnum: + context->validationError(entryPoint, GL_INVALID_ENUM, kEnumInvalid); + return false; + default: + context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, + ToGLenum(target)); + return false; + } + + return true; +} + +bool ValidateBindBufferBase(const Context *context, + angle::EntryPoint entryPoint, + BufferBinding target, + GLuint index, + BufferID buffer) +{ + return ValidateBindBufferCommon(context, entryPoint, target, index, buffer, 0, 0); +} + +bool ValidateBindBufferRange(const Context *context, + angle::EntryPoint entryPoint, + BufferBinding target, + GLuint index, + BufferID buffer, + GLintptr offset, + GLsizeiptr size) +{ + if (buffer.value != 0 && size <= 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBindBufferSize); + return false; + } + return ValidateBindBufferCommon(context, entryPoint, target, index, buffer, offset, size); +} + +bool ValidateProgramBinary(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + GLenum binaryFormat, + const void *binary, + GLsizei length) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateProgramBinaryBase(context, entryPoint, program, binaryFormat, binary, length); +} + +bool ValidateGetProgramBinary(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + GLsizei bufSize, + const GLsizei *length, + const GLenum *binaryFormat, + const void *binary) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateGetProgramBinaryBase(context, entryPoint, program, bufSize, length, binaryFormat, + binary); +} + +bool ValidateProgramParameteriBase(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + GLenum pname, + GLint value) +{ + if (GetValidProgram(context, entryPoint, program) == nullptr) + { + return false; + } + + switch (pname) + { + case GL_PROGRAM_BINARY_RETRIEVABLE_HINT: + if (value != GL_FALSE && value != GL_TRUE) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBooleanValue); + return false; + } + break; + + case GL_PROGRAM_SEPARABLE: + if (context->getClientVersion() < ES_3_1) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kES31Required); + return false; + } + + if (value != GL_FALSE && value != GL_TRUE) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidBooleanValue); + return false; + } + break; + + default: + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname); + return false; + } + + return true; +} + +bool ValidateProgramParameteri(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + GLenum pname, + GLint value) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateProgramParameteriBase(context, entryPoint, program, pname, value); +} + +bool ValidateBlitFramebuffer(const Context *context, + angle::EntryPoint entryPoint, + GLint srcX0, + GLint srcY0, + GLint srcX1, + GLint srcY1, + GLint dstX0, + GLint dstY0, + GLint dstX1, + GLint dstY1, + GLbitfield mask, + GLenum filter) +{ + if (context->getClientMajorVersion() < 3 && !context->getExtensions().framebufferBlitNV) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateBlitFramebufferParameters(context, entryPoint, srcX0, srcY0, srcX1, srcY1, dstX0, + dstY0, dstX1, dstY1, mask, filter); +} + +bool ValidateClearBufferiv(const Context *context, + angle::EntryPoint entryPoint, + GLenum buffer, + GLint drawbuffer, + const GLint *value) +{ + switch (buffer) + { + case GL_COLOR: + if (drawbuffer < 0 || drawbuffer >= context->getCaps().maxDrawBuffers) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer); + return false; + } + if (context->getExtensions().webglCompatibilityANGLE) + { + constexpr GLenum validComponentTypes[] = {GL_INT}; + if (!ValidateWebGLFramebufferAttachmentClearType(context, entryPoint, drawbuffer, + validComponentTypes, + ArraySize(validComponentTypes))) + { + return false; + } + } + break; + + case GL_STENCIL: + if (drawbuffer != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kInvalidDepthStencilDrawBuffer); + return false; + } + break; + + default: + context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, buffer); + return false; + } + + return ValidateClearBuffer(context, entryPoint); +} + +bool ValidateClearBufferuiv(const Context *context, + angle::EntryPoint entryPoint, + GLenum buffer, + GLint drawbuffer, + const GLuint *value) +{ + switch (buffer) + { + case GL_COLOR: + if (drawbuffer < 0 || drawbuffer >= context->getCaps().maxDrawBuffers) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer); + return false; + } + if (context->getExtensions().webglCompatibilityANGLE) + { + constexpr GLenum validComponentTypes[] = {GL_UNSIGNED_INT}; + if (!ValidateWebGLFramebufferAttachmentClearType(context, entryPoint, drawbuffer, + validComponentTypes, + ArraySize(validComponentTypes))) + { + return false; + } + } + break; + + default: + context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, buffer); + return false; + } + + return ValidateClearBuffer(context, entryPoint); +} + +bool ValidateClearBufferfv(const Context *context, + angle::EntryPoint entryPoint, + GLenum buffer, + GLint drawbuffer, + const GLfloat *value) +{ + switch (buffer) + { + case GL_COLOR: + if (drawbuffer < 0 || drawbuffer >= context->getCaps().maxDrawBuffers) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer); + return false; + } + if (context->getExtensions().webglCompatibilityANGLE) + { + constexpr GLenum validComponentTypes[] = {GL_FLOAT, GL_UNSIGNED_NORMALIZED, + GL_SIGNED_NORMALIZED}; + if (!ValidateWebGLFramebufferAttachmentClearType(context, entryPoint, drawbuffer, + validComponentTypes, + ArraySize(validComponentTypes))) + { + return false; + } + } + break; + + case GL_DEPTH: + if (drawbuffer != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kInvalidDepthStencilDrawBuffer); + return false; + } + break; + + default: + context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, buffer); + return false; + } + + return ValidateClearBuffer(context, entryPoint); +} + +bool ValidateClearBufferfi(const Context *context, + angle::EntryPoint entryPoint, + GLenum buffer, + GLint drawbuffer, + GLfloat depth, + GLint stencil) +{ + switch (buffer) + { + case GL_DEPTH_STENCIL: + if (drawbuffer != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kInvalidDepthStencilDrawBuffer); + return false; + } + break; + + default: + context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, buffer); + return false; + } + + return ValidateClearBuffer(context, entryPoint); +} + +bool ValidateDrawBuffers(const Context *context, + angle::EntryPoint entryPoint, + GLsizei n, + const GLenum *bufs) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateDrawBuffersBase(context, entryPoint, n, bufs); +} + +bool ValidateCopyTexSubImage3D(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLint xoffset, + GLint yoffset, + GLint zoffset, + GLint x, + GLint y, + GLsizei width, + GLsizei height) +{ + if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateES3CopyTexImage3DParameters(context, entryPoint, target, level, GL_NONE, true, + xoffset, yoffset, zoffset, x, y, width, height, 0); +} + +bool ValidateCopyTexture3DANGLE(const Context *context, + angle::EntryPoint entryPoint, + TextureID sourceId, + GLint sourceLevel, + TextureTarget destTarget, + TextureID destId, + GLint destLevel, + GLint internalFormat, + GLenum destType, + GLboolean unpackFlipY, + GLboolean unpackPremultiplyAlpha, + GLboolean unpackUnmultiplyAlpha) +{ + const Texture *source = context->getTexture(sourceId); + if (source == nullptr) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTexture); + return false; + } + + TextureType sourceType = source->getType(); + ASSERT(sourceType != TextureType::CubeMap); + TextureTarget sourceTarget = NonCubeTextureTypeToTarget(sourceType); + const Format &sourceFormat = source->getFormat(sourceTarget, sourceLevel); + + const Texture *dest = context->getTexture(destId); + if (dest == nullptr) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDestinationTexture); + return false; + } + + if (!ValidateCopyTexture3DCommon(context, entryPoint, source, sourceLevel, + sourceFormat.info->internalFormat, dest, destLevel, + internalFormat, destTarget)) + { + return false; + } + + if (!ValidMipLevel(context, source->getType(), sourceLevel)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTextureLevel); + return false; + } + + GLsizei sourceWidth = static_cast<GLsizei>(source->getWidth(sourceTarget, sourceLevel)); + GLsizei sourceHeight = static_cast<GLsizei>(source->getHeight(sourceTarget, sourceLevel)); + if (sourceWidth == 0 || sourceHeight == 0) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidSourceTextureSize); + return false; + } + + if (dest->getImmutableFormat()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kDestinationImmutable); + return false; + } + + return true; +} + +bool ValidateCopySubTexture3DANGLE(const Context *context, + angle::EntryPoint entryPoint, + TextureID sourceId, + GLint sourceLevel, + TextureTarget destTarget, + TextureID destId, + GLint destLevel, + GLint xoffset, + GLint yoffset, + GLint zoffset, + GLint x, + GLint y, + GLint z, + GLsizei width, + GLsizei height, + GLsizei depth, + GLboolean unpackFlipY, + GLboolean unpackPremultiplyAlpha, + GLboolean unpackUnmultiplyAlpha) +{ + const Texture *source = context->getTexture(sourceId); + if (source == nullptr) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSourceTexture); + return false; + } + + TextureType sourceType = source->getType(); + ASSERT(sourceType != TextureType::CubeMap); + TextureTarget sourceTarget = NonCubeTextureTypeToTarget(sourceType); + const Format &sourceFormat = source->getFormat(sourceTarget, sourceLevel); + + const Texture *dest = context->getTexture(destId); + if (dest == nullptr) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDestinationTexture); + return false; + } + + const InternalFormat &destFormat = *dest->getFormat(destTarget, destLevel).info; + + if (!ValidateCopyTexture3DCommon(context, entryPoint, source, sourceLevel, + sourceFormat.info->internalFormat, dest, destLevel, + destFormat.internalFormat, destTarget)) + { + return false; + } + + if (x < 0 || y < 0 || z < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeXYZ); + return false; + } + + if (width < 0 || height < 0 || depth < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeHeightWidthDepth); + return false; + } + + if (static_cast<size_t>(x + width) > source->getWidth(sourceTarget, sourceLevel) || + static_cast<size_t>(y + height) > source->getHeight(sourceTarget, sourceLevel) || + static_cast<size_t>(z + depth) > source->getDepth(sourceTarget, sourceLevel)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kSourceTextureTooSmall); + return false; + } + + if (TextureTargetToType(destTarget) != dest->getType()) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidDestinationTextureType); + return false; + } + + if (xoffset < 0 || yoffset < 0 || zoffset < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset); + return false; + } + + if (static_cast<size_t>(xoffset + width) > dest->getWidth(destTarget, destLevel) || + static_cast<size_t>(yoffset + height) > dest->getHeight(destTarget, destLevel) || + static_cast<size_t>(zoffset + depth) > dest->getDepth(destTarget, destLevel)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kDestinationTextureTooSmall); + return false; + } + + return true; +} + +bool ValidateTexImage3D(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLint internalformat, + GLsizei width, + GLsizei height, + GLsizei depth, + GLint border, + GLenum format, + GLenum type, + const void *pixels) +{ + if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled); + return false; + } + + return ValidateES3TexImage3DParameters(context, entryPoint, target, level, internalformat, + false, false, 0, 0, 0, width, height, depth, border, + format, type, -1, pixels); +} + +bool ValidateTexImage3DRobustANGLE(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLint internalformat, + GLsizei width, + GLsizei height, + GLsizei depth, + GLint border, + GLenum format, + GLenum type, + GLsizei bufSize, + const void *pixels) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!ValidateRobustEntryPoint(context, entryPoint, bufSize)) + { + return false; + } + + return ValidateES3TexImage3DParameters(context, entryPoint, target, level, internalformat, + false, false, 0, 0, 0, width, height, depth, border, + format, type, bufSize, pixels); +} + +bool ValidateTexSubImage3D(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLint xoffset, + GLint yoffset, + GLint zoffset, + GLsizei width, + GLsizei height, + GLsizei depth, + GLenum format, + GLenum type, + const void *pixels) +{ + if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateES3TexImage3DParameters(context, entryPoint, target, level, GL_NONE, false, true, + xoffset, yoffset, zoffset, width, height, depth, 0, + format, type, -1, pixels); +} + +bool ValidateTexSubImage3DRobustANGLE(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLint xoffset, + GLint yoffset, + GLint zoffset, + GLsizei width, + GLsizei height, + GLsizei depth, + GLenum format, + GLenum type, + GLsizei bufSize, + const void *pixels) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!ValidateRobustEntryPoint(context, entryPoint, bufSize)) + { + return false; + } + + return ValidateES3TexImage3DParameters(context, entryPoint, target, level, GL_NONE, false, true, + xoffset, yoffset, zoffset, width, height, depth, 0, + format, type, bufSize, pixels); +} + +bool ValidateCompressedTexSubImage3D(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLint xoffset, + GLint yoffset, + GLint zoffset, + GLsizei width, + GLsizei height, + GLsizei depth, + GLenum format, + GLsizei imageSize, + const void *data) +{ + if ((context->getClientMajorVersion() < 3) && !context->getExtensions().texture3DOES) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!ValidateES3TexImage3DParameters(context, entryPoint, target, level, GL_NONE, true, true, + xoffset, yoffset, zoffset, width, height, depth, 0, format, + GL_NONE, -1, data)) + { + return false; + } + + const InternalFormat &formatInfo = GetSizedInternalFormatInfo(format); + + if (!formatInfo.compressed) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidCompressedFormat); + return false; + } + + GLuint blockSize = 0; + if (!formatInfo.computeCompressedImageSize(Extents(width, height, depth), &blockSize)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kIntegerOverflow); + return false; + } + + if (imageSize < 0 || static_cast<GLuint>(imageSize) != blockSize) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidCompressedImageSize); + return false; + } + + if (data == nullptr) + { + if (context->getState().getTargetBuffer(BufferBinding::PixelUnpack) == nullptr) + { + // If data is null, we need an unpack buffer to read from + context->validationError(entryPoint, GL_INVALID_VALUE, kPixelDataNull); + return false; + } + + if (context->getTextureByTarget(target)->isCompressedFormatEmulated(context, target, level)) + { + // TODO (anglebug.com/7464): Can't populate from a buffer using emulated format + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidEmulatedFormat); + return false; + } + } + + return true; +} + +bool ValidateCompressedTexSubImage3DRobustANGLE(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLint xoffset, + GLint yoffset, + GLint zoffset, + GLsizei width, + GLsizei height, + GLsizei depth, + GLenum format, + GLsizei imageSize, + GLsizei dataSize, + const void *data) +{ + if (!ValidateRobustCompressedTexImageBase(context, entryPoint, imageSize, dataSize)) + { + return false; + } + + return ValidateCompressedTexSubImage3D(context, entryPoint, target, level, xoffset, yoffset, + zoffset, width, height, depth, format, imageSize, data); +} + +bool ValidateGenQueries(const Context *context, + angle::EntryPoint entryPoint, + GLsizei n, + const QueryID *queries) +{ + return ValidateGenOrDeleteES3(context, entryPoint, n); +} + +bool ValidateDeleteQueries(const Context *context, + angle::EntryPoint entryPoint, + GLsizei n, + const QueryID *queries) +{ + return ValidateGenOrDeleteES3(context, entryPoint, n); +} + +bool ValidateGenSamplers(const Context *context, + angle::EntryPoint entryPoint, + GLsizei count, + const SamplerID *samplers) +{ + return ValidateGenOrDeleteCountES3(context, entryPoint, count); +} + +bool ValidateDeleteSamplers(const Context *context, + angle::EntryPoint entryPoint, + GLsizei count, + const SamplerID *samplers) +{ + return ValidateGenOrDeleteCountES3(context, entryPoint, count); +} + +bool ValidateGenTransformFeedbacks(const Context *context, + angle::EntryPoint entryPoint, + GLsizei n, + const TransformFeedbackID *ids) +{ + return ValidateGenOrDeleteES3(context, entryPoint, n); +} + +bool ValidateDeleteTransformFeedbacks(const Context *context, + angle::EntryPoint entryPoint, + GLsizei n, + const TransformFeedbackID *ids) +{ + if (!ValidateGenOrDeleteES3(context, entryPoint, n)) + { + return false; + } + for (GLint i = 0; i < n; ++i) + { + auto *transformFeedback = context->getTransformFeedback(ids[i]); + if (transformFeedback != nullptr && transformFeedback->isActive()) + { + // ES 3.0.4 section 2.15.1 page 86 + context->validationError(entryPoint, GL_INVALID_OPERATION, + kTransformFeedbackActiveDelete); + return false; + } + } + return true; +} + +bool ValidateGenVertexArrays(const Context *context, + angle::EntryPoint entryPoint, + GLsizei n, + const VertexArrayID *arrays) +{ + return ValidateGenOrDeleteES3(context, entryPoint, n); +} + +bool ValidateDeleteVertexArrays(const Context *context, + angle::EntryPoint entryPoint, + GLsizei n, + const VertexArrayID *arrays) +{ + return ValidateGenOrDeleteES3(context, entryPoint, n); +} + +bool ValidateBeginTransformFeedback(const Context *context, + angle::EntryPoint entryPoint, + PrimitiveMode primitiveMode) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + switch (primitiveMode) + { + case PrimitiveMode::Triangles: + case PrimitiveMode::Lines: + case PrimitiveMode::Points: + break; + + default: + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPrimitiveMode); + return false; + } + + TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback(); + ASSERT(transformFeedback != nullptr); + + if (transformFeedback->isActive()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kTransfomFeedbackAlreadyActive); + return false; + } + + for (size_t i = 0; i < transformFeedback->getIndexedBufferCount(); i++) + { + const OffsetBindingPointer<Buffer> &buffer = transformFeedback->getIndexedBuffer(i); + if (buffer.get()) + { + if (buffer->isMapped()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferMapped); + return false; + } + if ((context->getLimitations().noDoubleBoundTransformFeedbackBuffers || + context->getExtensions().webglCompatibilityANGLE) && + buffer->isDoubleBoundForTransformFeedback()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kTransformFeedbackBufferMultipleOutputs); + return false; + } + } + } + + const ProgramExecutable *programExecutable = + context->getState().getLinkedProgramExecutable(context); + if (!programExecutable) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotBound); + return false; + } + + if (programExecutable->getLinkedTransformFeedbackVaryings().empty()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kNoTransformFeedbackOutputVariables); + return false; + } + + if (!ValidateProgramExecutableXFBBuffersPresent(context, programExecutable)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackBufferMissing); + return false; + } + + return true; +} + +bool ValidateGetBufferPointerv(const Context *context, + angle::EntryPoint entryPoint, + BufferBinding target, + GLenum pname, + void *const *params) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateGetBufferPointervBase(context, entryPoint, target, pname, nullptr, params); +} + +bool ValidateGetBufferPointervRobustANGLE(const Context *context, + angle::EntryPoint entryPoint, + BufferBinding target, + GLenum pname, + GLsizei bufSize, + const GLsizei *length, + void *const *params) +{ + if (!ValidateRobustEntryPoint(context, entryPoint, bufSize)) + { + return false; + } + + GLsizei numParams = 0; + + if (context->getClientMajorVersion() < 3 && !context->getExtensions().mapbufferOES) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled); + return false; + } + + if (!ValidateGetBufferPointervBase(context, entryPoint, target, pname, &numParams, params)) + { + return false; + } + + if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams)) + { + return false; + } + + SetRobustLengthParam(length, numParams); + + return true; +} + +bool ValidateUnmapBuffer(const Context *context, angle::EntryPoint entryPoint, BufferBinding target) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateUnmapBufferBase(context, entryPoint, target); +} + +bool ValidateMapBufferRange(const Context *context, + angle::EntryPoint entryPoint, + BufferBinding target, + GLintptr offset, + GLsizeiptr length, + GLbitfield access) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateMapBufferRangeBase(context, entryPoint, target, offset, length, access); +} + +bool ValidateFlushMappedBufferRange(const Context *context, + angle::EntryPoint entryPoint, + BufferBinding target, + GLintptr offset, + GLsizeiptr length) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateFlushMappedBufferRangeBase(context, entryPoint, target, offset, length); +} + +bool ValidateIndexedStateQuery(const Context *context, + angle::EntryPoint entryPoint, + GLenum pname, + GLuint index, + GLsizei *length) +{ + if (length) + { + *length = 0; + } + + GLenum nativeType; + unsigned int numParams; + if (!context->getIndexedQueryParameterInfo(pname, &nativeType, &numParams)) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname); + return false; + } + + const Caps &caps = context->getCaps(); + switch (pname) + { + case GL_BLEND_SRC_RGB: + case GL_BLEND_SRC_ALPHA: + case GL_BLEND_DST_RGB: + case GL_BLEND_DST_ALPHA: + case GL_BLEND_EQUATION_RGB: + case GL_BLEND_EQUATION_ALPHA: + case GL_COLOR_WRITEMASK: + if (!context->getExtensions().drawBuffersIndexedAny()) + { + context->validationError(entryPoint, GL_INVALID_ENUM, + kDrawBuffersIndexedExtensionNotAvailable); + return false; + } + if (index >= static_cast<GLuint>(caps.maxDrawBuffers)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxDrawBuffer); + return false; + } + break; + case GL_TRANSFORM_FEEDBACK_BUFFER_START: + case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE: + case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING: + if (index >= static_cast<GLuint>(caps.maxTransformFeedbackSeparateAttributes)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kIndexExceedsMaxTransformFeedbackAttribs); + return false; + } + break; + + case GL_UNIFORM_BUFFER_START: + case GL_UNIFORM_BUFFER_SIZE: + case GL_UNIFORM_BUFFER_BINDING: + if (index >= static_cast<GLuint>(caps.maxUniformBufferBindings)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kIndexExceedsMaxUniformBufferBindings); + return false; + } + break; + + case GL_MAX_COMPUTE_WORK_GROUP_SIZE: + case GL_MAX_COMPUTE_WORK_GROUP_COUNT: + if (index >= 3u) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kIndexExceedsMaxWorkgroupDimensions); + return false; + } + break; + + case GL_ATOMIC_COUNTER_BUFFER_START: + case GL_ATOMIC_COUNTER_BUFFER_SIZE: + case GL_ATOMIC_COUNTER_BUFFER_BINDING: + if (context->getClientVersion() < ES_3_1) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31); + return false; + } + if (index >= static_cast<GLuint>(caps.maxAtomicCounterBufferBindings)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kIndexExceedsMaxAtomicCounterBufferBindings); + return false; + } + break; + + case GL_SHADER_STORAGE_BUFFER_START: + case GL_SHADER_STORAGE_BUFFER_SIZE: + case GL_SHADER_STORAGE_BUFFER_BINDING: + if (context->getClientVersion() < ES_3_1) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31); + return false; + } + if (index >= static_cast<GLuint>(caps.maxShaderStorageBufferBindings)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kExceedsMaxShaderStorageBufferBindings); + return false; + } + break; + + case GL_VERTEX_BINDING_BUFFER: + case GL_VERTEX_BINDING_DIVISOR: + case GL_VERTEX_BINDING_OFFSET: + case GL_VERTEX_BINDING_STRIDE: + if (context->getClientVersion() < ES_3_1) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31); + return false; + } + if (index >= static_cast<GLuint>(caps.maxVertexAttribBindings)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kExceedsMaxVertexAttribBindings); + return false; + } + break; + case GL_SAMPLE_MASK_VALUE: + if (context->getClientVersion() < ES_3_1) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31); + return false; + } + if (index >= static_cast<GLuint>(caps.maxSampleMaskWords)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidSampleMaskNumber); + return false; + } + break; + case GL_IMAGE_BINDING_NAME: + case GL_IMAGE_BINDING_LEVEL: + case GL_IMAGE_BINDING_LAYERED: + case GL_IMAGE_BINDING_LAYER: + case GL_IMAGE_BINDING_ACCESS: + case GL_IMAGE_BINDING_FORMAT: + if (context->getClientVersion() < ES_3_1) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kEnumRequiresGLES31); + return false; + } + if (index >= static_cast<GLuint>(caps.maxImageUnits)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxImageUnits); + return false; + } + break; + // GL_ANGLE_shader_pixel_local_storage + case GL_PIXEL_LOCAL_FORMAT_ANGLE: + case GL_PIXEL_LOCAL_TEXTURE_NAME_ANGLE: + case GL_PIXEL_LOCAL_TEXTURE_LEVEL_ANGLE: + case GL_PIXEL_LOCAL_TEXTURE_LAYER_ANGLE: + { + // Check that the pixel local storage extension is enabled at all. + if (!context->getExtensions().shaderPixelLocalStorageANGLE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kPLSExtensionNotEnabled); + return false; + } + // INVALID_FRAMEBUFFER_OPERATION is generated if the default framebuffer object name 0 + // is bound to DRAW_FRAMEBUFFER. + Framebuffer *framebuffer = context->getState().getDrawFramebuffer(); + if (framebuffer->id().value == 0) + { + context->validationError(entryPoint, GL_INVALID_FRAMEBUFFER_OPERATION, + kPLSDefaultFramebufferBound); + return false; + } + // INVALID_VALUE is generated if <index> >= MAX_PIXEL_LOCAL_STORAGE_PLANES_ANGLE. + if (index >= context->getCaps().maxPixelLocalStoragePlanes) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kPLSPlaneOutOfRange); + return false; + } + break; + } + default: + context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname); + return false; + } + + if (length) + { + if (pname == GL_COLOR_WRITEMASK) + { + *length = 4; + } + else + { + *length = 1; + } + } + + return true; +} + +bool ValidateGetIntegeri_v(const Context *context, + angle::EntryPoint entryPoint, + GLenum target, + GLuint index, + const GLint *data) +{ + if (context->getClientVersion() < ES_3_0) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + return ValidateIndexedStateQuery(context, entryPoint, target, index, nullptr); +} + +bool ValidateGetIntegeri_vRobustANGLE(const Context *context, + angle::EntryPoint entryPoint, + GLenum target, + GLuint index, + GLsizei bufSize, + const GLsizei *length, + const GLint *data) +{ + if (context->getClientVersion() < ES_3_0) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!ValidateRobustEntryPoint(context, entryPoint, bufSize)) + { + return false; + } + + GLsizei numParams = 0; + + if (!ValidateIndexedStateQuery(context, entryPoint, target, index, &numParams)) + { + return false; + } + + if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams)) + { + return false; + } + + SetRobustLengthParam(length, numParams); + + return true; +} + +bool ValidateGetInteger64i_v(const Context *context, + angle::EntryPoint entryPoint, + GLenum target, + GLuint index, + const GLint64 *data) +{ + if (context->getClientVersion() < ES_3_0) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + return ValidateIndexedStateQuery(context, entryPoint, target, index, nullptr); +} + +bool ValidateGetInteger64i_vRobustANGLE(const Context *context, + angle::EntryPoint entryPoint, + GLenum target, + GLuint index, + GLsizei bufSize, + const GLsizei *length, + const GLint64 *data) +{ + if (context->getClientVersion() < ES_3_0) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!ValidateRobustEntryPoint(context, entryPoint, bufSize)) + { + return false; + } + + GLsizei numParams = 0; + + if (!ValidateIndexedStateQuery(context, entryPoint, target, index, &numParams)) + { + return false; + } + + if (!ValidateRobustBufferSize(context, entryPoint, bufSize, numParams)) + { + return false; + } + + SetRobustLengthParam(length, numParams); + + return true; +} + +bool ValidateCopyBufferSubData(const Context *context, + angle::EntryPoint entryPoint, + BufferBinding readTarget, + BufferBinding writeTarget, + GLintptr readOffset, + GLintptr writeOffset, + GLsizeiptr size) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!context->isValidBufferBinding(readTarget) || !context->isValidBufferBinding(writeTarget)) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidBufferTypes); + return false; + } + + Buffer *readBuffer = context->getState().getTargetBuffer(readTarget); + Buffer *writeBuffer = context->getState().getTargetBuffer(writeTarget); + + if (!readBuffer || !writeBuffer) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferNotBound); + return false; + } + + // EXT_buffer_storage allows persistently mapped buffers to be updated via glCopyBufferSubData + bool isReadPersistent = (readBuffer->getAccessFlags() & GL_MAP_PERSISTENT_BIT_EXT) != 0; + bool isWritePersistent = (writeBuffer->getAccessFlags() & GL_MAP_PERSISTENT_BIT_EXT) != 0; + + // Verify that readBuffer and writeBuffer are not currently mapped unless persistent + if ((readBuffer->isMapped() && !isReadPersistent) || + (writeBuffer->isMapped() && !isWritePersistent)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kBufferMapped); + return false; + } + + if (readBuffer->hasWebGLXFBBindingConflict(context->isWebGL()) || + writeBuffer->hasWebGLXFBBindingConflict(context->isWebGL())) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kBufferBoundForTransformFeedback); + return false; + } + + CheckedNumeric<GLintptr> checkedReadOffset(readOffset); + CheckedNumeric<GLintptr> checkedWriteOffset(writeOffset); + CheckedNumeric<GLintptr> checkedSize(size); + + auto checkedReadSum = checkedReadOffset + checkedSize; + auto checkedWriteSum = checkedWriteOffset + checkedSize; + + if (!checkedReadSum.IsValid() || !checkedWriteSum.IsValid() || + !IsValueInRangeForNumericType<GLintptr>(readBuffer->getSize()) || + !IsValueInRangeForNumericType<GLintptr>(writeBuffer->getSize())) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kIntegerOverflow); + return false; + } + + if (readOffset < 0 || writeOffset < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeOffset); + return false; + } + + if (size < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeSize); + return false; + } + + if (checkedReadSum.ValueOrDie() > readBuffer->getSize() || + checkedWriteSum.ValueOrDie() > writeBuffer->getSize()) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kBufferOffsetOverflow); + return false; + } + + if (readBuffer == writeBuffer) + { + auto checkedOffsetDiff = (checkedReadOffset - checkedWriteOffset).Abs(); + if (!checkedOffsetDiff.IsValid()) + { + // This shold not be possible. + UNREACHABLE(); + context->validationError(entryPoint, GL_INVALID_VALUE, kIntegerOverflow); + return false; + } + + if (checkedOffsetDiff.ValueOrDie() < size) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kCopyAlias); + return false; + } + } + + return true; +} + +bool ValidateGetStringi(const Context *context, + angle::EntryPoint entryPoint, + GLenum name, + GLuint index) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + switch (name) + { + case GL_EXTENSIONS: + if (index >= context->getExtensionStringCount()) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsNumExtensions); + return false; + } + break; + + case GL_REQUESTABLE_EXTENSIONS_ANGLE: + if (!context->getExtensions().requestExtensionANGLE) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidName); + return false; + } + if (index >= context->getRequestableExtensionStringCount()) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kExceedsNumRequestableExtensions); + return false; + } + break; + + default: + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidName); + return false; + } + + return true; +} + +bool ValidateRenderbufferStorageMultisample(const Context *context, + angle::EntryPoint entryPoint, + GLenum target, + GLsizei samples, + GLenum internalformat, + GLsizei width, + GLsizei height) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!ValidateRenderbufferStorageParametersBase(context, entryPoint, target, samples, + internalformat, width, height)) + { + return false; + } + + // The ES3 spec(section 4.4.2) states that the internal format must be sized and not an integer + // format if samples is greater than zero. In ES3.1(section 9.2.5), it can support integer + // multisample renderbuffer, but the samples should not be greater than MAX_INTEGER_SAMPLES. + const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalformat); + if (formatInfo.isInt()) + { + if ((samples > 0 && context->getClientVersion() == ES_3_0) || + samples > context->getCaps().maxIntegerSamples) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kSamplesOutOfRange); + return false; + } + } + + // The behavior is different than the ANGLE version, which would generate a GL_OUT_OF_MEMORY. + const TextureCaps &formatCaps = context->getTextureCaps().get(internalformat); + if (static_cast<GLuint>(samples) > formatCaps.getMaxSamples()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kSamplesOutOfRange); + return false; + } + + return true; +} + +bool ValidateVertexAttribIPointer(const Context *context, + angle::EntryPoint entryPoint, + GLuint index, + GLint size, + VertexAttribType type, + GLsizei stride, + const void *pointer) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!ValidateIntegerVertexFormat(context, entryPoint, index, size, type)) + { + return false; + } + + if (stride < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeStride); + return false; + } + + const Caps &caps = context->getCaps(); + if (context->getClientVersion() >= ES_3_1) + { + if (stride > caps.maxVertexAttribStride) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxVertexAttribStride); + return false; + } + + // [OpenGL ES 3.1] Section 10.3.1 page 245: + // glVertexAttribBinding is part of the equivalent code of VertexAttribIPointer, so its + // validation should be inherited. + if (index >= static_cast<GLuint>(caps.maxVertexAttribBindings)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kExceedsMaxVertexAttribBindings); + return false; + } + } + + // [OpenGL ES 3.0.2] Section 2.8 page 24: + // An INVALID_OPERATION error is generated when a non-zero vertex array object + // is bound, zero is bound to the ARRAY_BUFFER buffer object binding point, + // and the pointer argument is not NULL. + if (context->getState().getVertexArrayId().value != 0 && + context->getState().getTargetBuffer(BufferBinding::Array) == 0 && pointer != nullptr) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kClientDataInVertexArray); + return false; + } + + if (context->getExtensions().webglCompatibilityANGLE) + { + if (!ValidateWebGLVertexAttribPointer(context, entryPoint, type, false, stride, pointer, + true)) + { + return false; + } + } + + return true; +} + +bool ValidateGetSynciv(const Context *context, + angle::EntryPoint entryPoint, + GLsync sync, + GLenum pname, + GLsizei bufSize, + const GLsizei *length, + const GLint *values) +{ + if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (bufSize < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize); + return false; + } + + if (context->isContextLost()) + { + context->validationError(entryPoint, GL_CONTEXT_LOST, kContextLost); + + if (pname == GL_SYNC_STATUS) + { + // Generate an error but still return true, the context still needs to return a + // value in this case. + return true; + } + else + { + return false; + } + } + + Sync *syncObject = context->getSync(sync); + if (!syncObject) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kSyncMissing); + return false; + } + + switch (pname) + { + case GL_OBJECT_TYPE: + case GL_SYNC_CONDITION: + case GL_SYNC_FLAGS: + case GL_SYNC_STATUS: + break; + + default: + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidPname); + return false; + } + + return true; +} + +bool ValidateDrawElementsInstanced(const Context *context, + angle::EntryPoint entryPoint, + PrimitiveMode mode, + GLsizei count, + DrawElementsType type, + const void *indices, + GLsizei instanceCount) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateDrawElementsInstancedBase(context, entryPoint, mode, count, type, indices, + instanceCount); +} + +bool ValidateMultiDrawArraysInstancedANGLE(const Context *context, + angle::EntryPoint entryPoint, + PrimitiveMode mode, + const GLint *firsts, + const GLsizei *counts, + const GLsizei *instanceCounts, + GLsizei drawcount) +{ + if (!context->getExtensions().multiDrawANGLE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled); + return false; + } + if (context->getClientMajorVersion() < 3) + { + if (!context->getExtensions().instancedArraysAny()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled); + return false; + } + if (!ValidateDrawInstancedANGLE(context, entryPoint)) + { + return false; + } + } + for (GLsizei drawID = 0; drawID < drawcount; ++drawID) + { + if (!ValidateDrawArraysInstancedBase(context, entryPoint, mode, firsts[drawID], + counts[drawID], instanceCounts[drawID])) + { + return false; + } + } + return true; +} + +bool ValidateMultiDrawElementsInstancedANGLE(const Context *context, + angle::EntryPoint entryPoint, + PrimitiveMode mode, + const GLsizei *counts, + DrawElementsType type, + const GLvoid *const *indices, + const GLsizei *instanceCounts, + GLsizei drawcount) +{ + if (!context->getExtensions().multiDrawANGLE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled); + return false; + } + if (context->getClientMajorVersion() < 3) + { + if (!context->getExtensions().instancedArraysAny()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled); + return false; + } + if (!ValidateDrawInstancedANGLE(context, entryPoint)) + { + return false; + } + } + for (GLsizei drawID = 0; drawID < drawcount; ++drawID) + { + if (!ValidateDrawElementsInstancedBase(context, entryPoint, mode, counts[drawID], type, + indices[drawID], instanceCounts[drawID])) + { + return false; + } + } + return true; +} + +bool ValidateDrawArraysInstancedBaseInstanceANGLE(const Context *context, + angle::EntryPoint entryPoint, + PrimitiveMode mode, + GLint first, + GLsizei count, + GLsizei instanceCount, + GLuint baseInstance) +{ + if (!context->getExtensions().baseVertexBaseInstanceANGLE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled); + return false; + } + + return ValidateDrawArraysInstancedBase(context, entryPoint, mode, first, count, instanceCount); +} + +bool ValidateDrawElementsInstancedBaseVertexBaseInstanceANGLE(const Context *context, + angle::EntryPoint entryPoint, + PrimitiveMode mode, + GLsizei count, + DrawElementsType type, + const GLvoid *indices, + GLsizei instanceCount, + GLint baseVertex, + GLuint baseInstance) +{ + if (!context->getExtensions().baseVertexBaseInstanceANGLE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled); + return false; + } + + return ValidateDrawElementsInstancedBase(context, entryPoint, mode, count, type, indices, + instanceCount); +} + +bool ValidateMultiDrawArraysInstancedBaseInstanceANGLE(const Context *context, + angle::EntryPoint entryPoint, + PrimitiveMode modePacked, + const GLint *firsts, + const GLsizei *counts, + const GLsizei *instanceCounts, + const GLuint *baseInstances, + GLsizei drawcount) +{ + if (!context->getExtensions().multiDrawANGLE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled); + return false; + } + if (drawcount < 0) + { + return false; + } + for (GLsizei drawID = 0; drawID < drawcount; ++drawID) + { + if (!ValidateDrawArraysInstancedBase(context, entryPoint, modePacked, firsts[drawID], + counts[drawID], instanceCounts[drawID])) + { + return false; + } + } + return true; +} + +bool ValidateMultiDrawElementsInstancedBaseVertexBaseInstanceANGLE(const Context *context, + angle::EntryPoint entryPoint, + PrimitiveMode modePacked, + const GLsizei *counts, + DrawElementsType typePacked, + const GLvoid *const *indices, + const GLsizei *instanceCounts, + const GLint *baseVertices, + const GLuint *baseInstances, + GLsizei drawcount) +{ + if (!context->getExtensions().multiDrawANGLE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled); + return false; + } + if (drawcount < 0) + { + return false; + } + for (GLsizei drawID = 0; drawID < drawcount; ++drawID) + { + if (!ValidateDrawElementsInstancedBase(context, entryPoint, modePacked, counts[drawID], + typePacked, indices[drawID], instanceCounts[drawID])) + { + return false; + } + } + return true; +} + +bool ValidateFramebufferTextureMultiviewOVR(const Context *context, + angle::EntryPoint entryPoint, + GLenum target, + GLenum attachment, + TextureID texture, + GLint level, + GLint baseViewIndex, + GLsizei numViews) +{ + if (!ValidateFramebufferTextureMultiviewBaseANGLE(context, entryPoint, target, attachment, + texture, level, numViews)) + { + return false; + } + + if (texture.value != 0) + { + if (baseViewIndex < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBaseViewIndex); + return false; + } + + Texture *tex = context->getTexture(texture); + ASSERT(tex); + + switch (tex->getType()) + { + case TextureType::_2DArray: + case TextureType::_2DMultisampleArray: + { + if (tex->getType() == TextureType::_2DMultisampleArray) + { + if (!context->getExtensions().multiviewMultisampleANGLE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kInvalidTextureType); + return false; + } + } + + const Caps &caps = context->getCaps(); + if (baseViewIndex + numViews > caps.maxArrayTextureLayers) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kViewsExceedMaxArrayLayers); + return false; + } + + break; + } + default: + context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidTextureType); + return false; + } + + if (!ValidateFramebufferTextureMultiviewLevelAndFormat(context, entryPoint, tex, level)) + { + return false; + } + } + + return true; +} + +bool ValidateUniform1ui(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLuint v0) +{ + return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT, location, 1); +} + +bool ValidateUniform2ui(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLuint v0, + GLuint v1) +{ + return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT_VEC2, location, 1); +} + +bool ValidateUniform3ui(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLuint v0, + GLuint v1, + GLuint v2) +{ + return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT_VEC3, location, 1); +} + +bool ValidateUniform4ui(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLuint v0, + GLuint v1, + GLuint v2, + GLuint v3) +{ + return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT_VEC4, location, 1); +} + +bool ValidateUniform1uiv(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLsizei count, + const GLuint *value) +{ + return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT, location, count); +} + +bool ValidateUniform2uiv(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLsizei count, + const GLuint *value) +{ + return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT_VEC2, location, count); +} + +bool ValidateUniform3uiv(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLsizei count, + const GLuint *value) +{ + return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT_VEC3, location, count); +} + +bool ValidateUniform4uiv(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLsizei count, + const GLuint *value) +{ + return ValidateUniformES3(context, entryPoint, GL_UNSIGNED_INT_VEC4, location, count); +} + +bool ValidateIsQuery(const Context *context, angle::EntryPoint entryPoint, QueryID id) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return true; +} + +bool ValidateUniformMatrix2x3fv(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLsizei count, + GLboolean transpose, + const GLfloat *value) +{ + return ValidateUniformMatrixES3(context, entryPoint, GL_FLOAT_MAT2x3, location, count, + transpose); +} + +bool ValidateUniformMatrix3x2fv(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLsizei count, + GLboolean transpose, + const GLfloat *value) +{ + return ValidateUniformMatrixES3(context, entryPoint, GL_FLOAT_MAT3x2, location, count, + transpose); +} + +bool ValidateUniformMatrix2x4fv(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLsizei count, + GLboolean transpose, + const GLfloat *value) +{ + return ValidateUniformMatrixES3(context, entryPoint, GL_FLOAT_MAT2x4, location, count, + transpose); +} + +bool ValidateUniformMatrix4x2fv(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLsizei count, + GLboolean transpose, + const GLfloat *value) +{ + return ValidateUniformMatrixES3(context, entryPoint, GL_FLOAT_MAT4x2, location, count, + transpose); +} + +bool ValidateUniformMatrix3x4fv(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLsizei count, + GLboolean transpose, + const GLfloat *value) +{ + return ValidateUniformMatrixES3(context, entryPoint, GL_FLOAT_MAT3x4, location, count, + transpose); +} + +bool ValidateUniformMatrix4x3fv(const Context *context, + angle::EntryPoint entryPoint, + UniformLocation location, + GLsizei count, + GLboolean transpose, + const GLfloat *value) +{ + return ValidateUniformMatrixES3(context, entryPoint, GL_FLOAT_MAT4x3, location, count, + transpose); +} + +bool ValidateEndTransformFeedback(const Context *context, angle::EntryPoint entryPoint) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback(); + ASSERT(transformFeedback != nullptr); + + if (!transformFeedback->isActive()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackNotActive); + return false; + } + + return true; +} + +bool ValidateTransformFeedbackVaryings(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + GLsizei count, + const GLchar *const *varyings, + GLenum bufferMode) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (count < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount); + return false; + } + + switch (bufferMode) + { + case GL_INTERLEAVED_ATTRIBS: + break; + case GL_SEPARATE_ATTRIBS: + { + const Caps &caps = context->getCaps(); + if (count > caps.maxTransformFeedbackSeparateAttributes) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kInvalidTransformFeedbackAttribsCount); + return false; + } + break; + } + default: + context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, bufferMode); + return false; + } + + Program *programObject = GetValidProgram(context, entryPoint, program); + if (!programObject) + { + return false; + } + + return true; +} + +bool ValidateGetTransformFeedbackVarying(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + GLuint index, + GLsizei bufSize, + const GLsizei *length, + const GLsizei *size, + const GLenum *type, + const GLchar *name) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (bufSize < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeBufferSize); + return false; + } + + Program *programObject = GetValidProgram(context, entryPoint, program); + if (!programObject) + { + return false; + } + + if (index >= static_cast<GLuint>(programObject->getTransformFeedbackVaryingCount())) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kTransformFeedbackVaryingIndexOutOfRange); + return false; + } + + return true; +} + +bool ValidateBindTransformFeedback(const Context *context, + angle::EntryPoint entryPoint, + GLenum target, + TransformFeedbackID id) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + switch (target) + { + case GL_TRANSFORM_FEEDBACK: + { + // Cannot bind a transform feedback object if the current one is started and not + // paused (3.0.2 pg 85 section 2.14.1) + if (context->getState().isTransformFeedbackActiveUnpaused()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kTransformFeedbackNotPaused); + return false; + } + + // Cannot bind a transform feedback object that does not exist (3.0.2 pg 85 section + // 2.14.1) + if (!context->isTransformFeedbackGenerated(id)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kTransformFeedbackDoesNotExist); + return false; + } + } + break; + + default: + context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, target); + return false; + } + + return true; +} + +bool ValidateIsTransformFeedback(const Context *context, + angle::EntryPoint entryPoint, + TransformFeedbackID id) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return true; +} + +bool ValidatePauseTransformFeedback(const Context *context, angle::EntryPoint entryPoint) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback(); + ASSERT(transformFeedback != nullptr); + + // Current transform feedback must be active and not paused in order to pause (3.0.2 pg 86) + if (!transformFeedback->isActive()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackNotActive); + return false; + } + + if (transformFeedback->isPaused()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackPaused); + return false; + } + + return true; +} + +bool ValidateResumeTransformFeedback(const Context *context, angle::EntryPoint entryPoint) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + TransformFeedback *transformFeedback = context->getState().getCurrentTransformFeedback(); + ASSERT(transformFeedback != nullptr); + + // Current transform feedback must be active and paused in order to resume (3.0.2 pg 86) + if (!transformFeedback->isActive()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackNotActive); + return false; + } + + if (!transformFeedback->isPaused()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackNotPaused); + return false; + } + + if (!ValidateProgramExecutableXFBBuffersPresent( + context, context->getState().getLinkedProgramExecutable(context))) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kTransformFeedbackBufferMissing); + return false; + } + + return true; +} + +bool ValidateVertexAttribI4i(const Context *context, + angle::EntryPoint entryPoint, + GLuint index, + GLint x, + GLint y, + GLint z, + GLint w) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateVertexAttribIndex(context, entryPoint, index); +} + +bool ValidateVertexAttribI4ui(const Context *context, + angle::EntryPoint entryPoint, + GLuint index, + GLuint x, + GLuint y, + GLuint z, + GLuint w) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateVertexAttribIndex(context, entryPoint, index); +} + +bool ValidateVertexAttribI4iv(const Context *context, + angle::EntryPoint entryPoint, + GLuint index, + const GLint *v) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateVertexAttribIndex(context, entryPoint, index); +} + +bool ValidateVertexAttribI4uiv(const Context *context, + angle::EntryPoint entryPoint, + GLuint index, + const GLuint *v) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateVertexAttribIndex(context, entryPoint, index); +} + +bool ValidateGetFragDataLocation(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + const GLchar *name) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + Program *programObject = GetValidProgram(context, entryPoint, program); + if (!programObject) + { + return false; + } + + if (!programObject->isLinked()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked); + return false; + } + + return true; +} + +bool ValidateGetUniformIndices(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + GLsizei uniformCount, + const GLchar *const *uniformNames, + const GLuint *uniformIndices) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (uniformCount < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount); + return false; + } + + Program *programObject = GetValidProgram(context, entryPoint, program); + if (!programObject) + { + return false; + } + + return true; +} + +bool ValidateGetActiveUniformsiv(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + GLsizei uniformCount, + const GLuint *uniformIndices, + GLenum pname, + const GLint *params) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (uniformCount < 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kNegativeCount); + return false; + } + + Program *programObject = GetValidProgram(context, entryPoint, program); + if (!programObject) + { + return false; + } + + switch (pname) + { + case GL_UNIFORM_TYPE: + case GL_UNIFORM_SIZE: + break; + case GL_UNIFORM_NAME_LENGTH: + if (context->getExtensions().webglCompatibilityANGLE) + { + context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname); + return false; + } + break; + case GL_UNIFORM_BLOCK_INDEX: + case GL_UNIFORM_OFFSET: + case GL_UNIFORM_ARRAY_STRIDE: + case GL_UNIFORM_MATRIX_STRIDE: + case GL_UNIFORM_IS_ROW_MAJOR: + break; + + default: + context->validationErrorF(entryPoint, GL_INVALID_ENUM, kEnumNotSupported, pname); + return false; + } + + if (uniformCount > programObject->getActiveUniformCount()) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxActiveUniform); + return false; + } + + for (int uniformId = 0; uniformId < uniformCount; uniformId++) + { + const GLuint index = uniformIndices[uniformId]; + + if (index >= static_cast<GLuint>(programObject->getActiveUniformCount())) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxActiveUniform); + return false; + } + } + + return true; +} + +bool ValidateGetUniformBlockIndex(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + const GLchar *uniformBlockName) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + Program *programObject = GetValidProgram(context, entryPoint, program); + if (!programObject) + { + return false; + } + + return true; +} + +bool ValidateGetActiveUniformBlockiv(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + UniformBlockIndex uniformBlockIndex, + GLenum pname, + const GLint *params) +{ + return ValidateGetActiveUniformBlockivBase(context, entryPoint, program, uniformBlockIndex, + pname, nullptr); +} + +bool ValidateGetActiveUniformBlockName(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + UniformBlockIndex uniformBlockIndex, + GLsizei bufSize, + const GLsizei *length, + const GLchar *uniformBlockName) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + Program *programObject = GetValidProgram(context, entryPoint, program); + if (!programObject) + { + return false; + } + + if (uniformBlockIndex.value >= programObject->getActiveUniformBlockCount()) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kIndexExceedsMaxActiveUniformBlock); + return false; + } + + return true; +} + +bool ValidateUniformBlockBinding(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + UniformBlockIndex uniformBlockIndex, + GLuint uniformBlockBinding) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (uniformBlockBinding >= static_cast<GLuint>(context->getCaps().maxUniformBufferBindings)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kIndexExceedsMaxUniformBufferBindings); + return false; + } + + Program *programObject = GetValidProgram(context, entryPoint, program); + if (!programObject) + { + return false; + } + + // if never linked, there won't be any uniform blocks + if (uniformBlockIndex.value >= programObject->getActiveUniformBlockCount()) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kIndexExceedsMaxUniformBufferBindings); + return false; + } + + return true; +} + +bool ValidateDrawArraysInstanced(const Context *context, + angle::EntryPoint entryPoint, + PrimitiveMode mode, + GLint first, + GLsizei count, + GLsizei primcount) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateDrawArraysInstancedBase(context, entryPoint, mode, first, count, primcount); +} + +bool ValidateFenceSync(const Context *context, + angle::EntryPoint entryPoint, + GLenum condition, + GLbitfield flags) +{ + if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (condition != GL_SYNC_GPU_COMMANDS_COMPLETE) + { + context->validationError(entryPoint, GL_INVALID_ENUM, kInvalidFenceCondition); + return false; + } + + if (flags != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFlags); + return false; + } + + return true; +} + +bool ValidateIsSync(const Context *context, angle::EntryPoint entryPoint, GLsync sync) +{ + if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return true; +} + +bool ValidateDeleteSync(const Context *context, angle::EntryPoint entryPoint, GLsync sync) +{ + if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (sync != static_cast<GLsync>(0) && !context->getSync(sync)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kSyncMissing); + return false; + } + + return true; +} + +bool ValidateClientWaitSync(const Context *context, + angle::EntryPoint entryPoint, + GLsync sync, + GLbitfield flags, + GLuint64 timeout) +{ + if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if ((flags & ~(GL_SYNC_FLUSH_COMMANDS_BIT)) != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFlags); + return false; + } + + Sync *clientWaitSync = context->getSync(sync); + if (!clientWaitSync) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kSyncMissing); + return false; + } + + return true; +} + +bool ValidateWaitSync(const Context *context, + angle::EntryPoint entryPoint, + GLsync sync, + GLbitfield flags, + GLuint64 timeout) +{ + if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (flags != 0) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidFlags); + return false; + } + + if (timeout != GL_TIMEOUT_IGNORED) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidTimeout); + return false; + } + + Sync *waitSync = context->getSync(sync); + if (!waitSync) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kSyncMissing); + return false; + } + + return true; +} + +bool ValidateGetInteger64v(const Context *context, + angle::EntryPoint entryPoint, + GLenum pname, + const GLint64 *params) +{ + if ((context->getClientMajorVersion() < 3) && !context->getExtensions().syncARB) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + GLenum nativeType = GL_NONE; + unsigned int numParams = 0; + if (!ValidateStateQuery(context, entryPoint, pname, &nativeType, &numParams)) + { + return false; + } + + return true; +} + +bool ValidateIsSampler(const Context *context, angle::EntryPoint entryPoint, SamplerID sampler) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return true; +} + +bool ValidateBindSampler(const Context *context, + angle::EntryPoint entryPoint, + GLuint unit, + SamplerID sampler) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (GetIDValue(sampler) != 0 && !context->isSampler(sampler)) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kInvalidSampler); + return false; + } + + if (unit >= static_cast<GLuint>(context->getCaps().maxCombinedTextureImageUnits)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, kInvalidCombinedImageUnit); + return false; + } + + return true; +} + +bool ValidateVertexAttribDivisor(const Context *context, + angle::EntryPoint entryPoint, + GLuint index, + GLuint divisor) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + return ValidateVertexAttribIndex(context, entryPoint, index); +} + +bool ValidateTexStorage2D(const Context *context, + angle::EntryPoint entryPoint, + TextureType target, + GLsizei levels, + GLenum internalformat, + GLsizei width, + GLsizei height) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!ValidateES3TexStorage2DParameters(context, entryPoint, target, levels, internalformat, + width, height, 1)) + { + return false; + } + + return true; +} + +bool ValidateTexStorage3D(const Context *context, + angle::EntryPoint entryPoint, + TextureType target, + GLsizei levels, + GLenum internalformat, + GLsizei width, + GLsizei height, + GLsizei depth) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + + if (!ValidateES3TexStorage3DParameters(context, entryPoint, target, levels, internalformat, + width, height, depth)) + { + return false; + } + + return true; +} + +bool ValidateGetBufferParameteri64v(const Context *context, + angle::EntryPoint entryPoint, + BufferBinding target, + GLenum pname, + const GLint64 *params) +{ + return ValidateGetBufferParameterBase(context, entryPoint, target, pname, false, nullptr); +} + +bool ValidateGetSamplerParameterfv(const Context *context, + angle::EntryPoint entryPoint, + SamplerID sampler, + GLenum pname, + const GLfloat *params) +{ + return ValidateGetSamplerParameterBase(context, entryPoint, sampler, pname, nullptr); +} + +bool ValidateGetSamplerParameteriv(const Context *context, + angle::EntryPoint entryPoint, + SamplerID sampler, + GLenum pname, + const GLint *params) +{ + return ValidateGetSamplerParameterBase(context, entryPoint, sampler, pname, nullptr); +} + +bool ValidateGetSamplerParameterIivOES(const Context *context, + angle::EntryPoint entryPoint, + SamplerID sampler, + GLenum pname, + const GLint *params) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + return ValidateGetSamplerParameterBase(context, entryPoint, sampler, pname, nullptr); +} + +bool ValidateGetSamplerParameterIuivOES(const Context *context, + angle::EntryPoint entryPoint, + SamplerID sampler, + GLenum pname, + const GLuint *params) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + return ValidateGetSamplerParameterBase(context, entryPoint, sampler, pname, nullptr); +} + +bool ValidateSamplerParameterf(const Context *context, + angle::EntryPoint entryPoint, + SamplerID sampler, + GLenum pname, + GLfloat param) +{ + return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, -1, false, ¶m); +} + +bool ValidateSamplerParameterfv(const Context *context, + angle::EntryPoint entryPoint, + SamplerID sampler, + GLenum pname, + const GLfloat *params) +{ + return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, -1, true, params); +} + +bool ValidateSamplerParameteri(const Context *context, + angle::EntryPoint entryPoint, + SamplerID sampler, + GLenum pname, + GLint param) +{ + return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, -1, false, ¶m); +} + +bool ValidateSamplerParameteriv(const Context *context, + angle::EntryPoint entryPoint, + SamplerID sampler, + GLenum pname, + const GLint *params) +{ + return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, -1, true, params); +} + +bool ValidateSamplerParameterIivOES(const Context *context, + angle::EntryPoint entryPoint, + SamplerID sampler, + GLenum pname, + const GLint *params) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, -1, true, params); +} + +bool ValidateSamplerParameterIuivOES(const Context *context, + angle::EntryPoint entryPoint, + SamplerID sampler, + GLenum pname, + const GLuint *params) +{ + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + return ValidateSamplerParameterBase(context, entryPoint, sampler, pname, -1, true, params); +} + +bool ValidateGetVertexAttribIiv(const Context *context, + angle::EntryPoint entryPoint, + GLuint index, + GLenum pname, + const GLint *params) +{ + return ValidateGetVertexAttribBase(context, entryPoint, index, pname, nullptr, false, true); +} + +bool ValidateGetVertexAttribIuiv(const Context *context, + angle::EntryPoint entryPoint, + GLuint index, + GLenum pname, + const GLuint *params) +{ + return ValidateGetVertexAttribBase(context, entryPoint, index, pname, nullptr, false, true); +} + +bool ValidateGetInternalformativ(const Context *context, + angle::EntryPoint entryPoint, + GLenum target, + GLenum internalformat, + GLenum pname, + GLsizei bufSize, + const GLint *params) +{ + return ValidateGetInternalFormativBase(context, entryPoint, target, internalformat, pname, + bufSize, nullptr); +} + +bool ValidateBindFragDataLocationIndexedEXT(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + GLuint colorNumber, + GLuint index, + const char *name) +{ + if (!context->getExtensions().blendFuncExtendedEXT) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled); + return false; + } + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + if (index > 1) + { + // This error is not explicitly specified but the spec does say that "<index> may be zero or + // one to specify that the color be used as either the first or second color input to the + // blend equation, respectively" + context->validationError(entryPoint, GL_INVALID_VALUE, kFragDataBindingIndexOutOfRange); + return false; + } + if (index == 1) + { + if (colorNumber >= context->getCaps().maxDualSourceDrawBuffers) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kColorNumberGreaterThanMaxDualSourceDrawBuffers); + return false; + } + } + else + { + if (colorNumber >= static_cast<GLuint>(context->getCaps().maxDrawBuffers)) + { + context->validationError(entryPoint, GL_INVALID_VALUE, + kColorNumberGreaterThanMaxDrawBuffers); + return false; + } + } + Program *programObject = GetValidProgram(context, entryPoint, program); + if (!programObject) + { + return false; + } + return true; +} + +bool ValidateBindFragDataLocationEXT(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + GLuint colorNumber, + const char *name) +{ + return ValidateBindFragDataLocationIndexedEXT(context, entryPoint, program, colorNumber, 0u, + name); +} + +bool ValidateGetFragDataIndexEXT(const Context *context, + angle::EntryPoint entryPoint, + ShaderProgramID program, + const char *name) +{ + if (!context->getExtensions().blendFuncExtendedEXT) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kExtensionNotEnabled); + return false; + } + if (context->getClientMajorVersion() < 3) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kES3Required); + return false; + } + Program *programObject = GetValidProgram(context, entryPoint, program); + if (!programObject) + { + return false; + } + if (!programObject->isLinked()) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, kProgramNotLinked); + return false; + } + return true; +} + +bool ValidateTexStorage2DMultisampleANGLE(const Context *context, + angle::EntryPoint entryPoint, + TextureType target, + GLsizei samples, + GLenum internalFormat, + GLsizei width, + GLsizei height, + GLboolean fixedSampleLocations) +{ + if (!context->getExtensions().textureMultisampleANGLE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kMultisampleTextureExtensionOrES31Required); + return false; + } + + return ValidateTexStorage2DMultisampleBase(context, entryPoint, target, samples, internalFormat, + width, height); +} + +bool ValidateGetTexLevelParameterfvANGLE(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLenum pname, + const GLfloat *params) +{ + if (!context->getExtensions().textureMultisampleANGLE && + !context->getExtensions().getTexLevelParameterANGLE) + { + context->validationError( + entryPoint, GL_INVALID_OPERATION, + kMultisampleTextureExtensionOrGetTexLevelParameterExtensionOrES31Required); + return false; + } + + return ValidateGetTexLevelParameterBase(context, entryPoint, target, level, pname, nullptr); +} + +bool ValidateGetTexLevelParameterivANGLE(const Context *context, + angle::EntryPoint entryPoint, + TextureTarget target, + GLint level, + GLenum pname, + const GLint *params) +{ + if (!context->getExtensions().textureMultisampleANGLE && + !context->getExtensions().getTexLevelParameterANGLE) + { + context->validationError( + entryPoint, GL_INVALID_OPERATION, + kMultisampleTextureExtensionOrGetTexLevelParameterExtensionOrES31Required); + return false; + } + + return ValidateGetTexLevelParameterBase(context, entryPoint, target, level, pname, nullptr); +} + +bool ValidateGetMultisamplefvANGLE(const Context *context, + angle::EntryPoint entryPoint, + GLenum pname, + GLuint index, + const GLfloat *val) +{ + if (!context->getExtensions().textureMultisampleANGLE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kMultisampleTextureExtensionOrES31Required); + return false; + } + + return ValidateGetMultisamplefvBase(context, entryPoint, pname, index, val); +} + +bool ValidateSampleMaskiANGLE(const Context *context, + angle::EntryPoint entryPoint, + GLuint maskNumber, + GLbitfield mask) +{ + if (!context->getExtensions().textureMultisampleANGLE) + { + context->validationError(entryPoint, GL_INVALID_OPERATION, + kMultisampleTextureExtensionOrES31Required); + return false; + } + + return ValidateSampleMaskiBase(context, entryPoint, maskNumber, mask); +} +} // namespace gl |