diff options
Diffstat (limited to 'gfx/layers/opengl/OGLShaderConfig.h')
| -rw-r--r-- | gfx/layers/opengl/OGLShaderConfig.h | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/gfx/layers/opengl/OGLShaderConfig.h b/gfx/layers/opengl/OGLShaderConfig.h new file mode 100644 index 0000000000..f7c939aa98 --- /dev/null +++ b/gfx/layers/opengl/OGLShaderConfig.h @@ -0,0 +1,255 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef GFX_OGLSHADERCONFIG_H +#define GFX_OGLSHADERCONFIG_H + +#include "gfxTypes.h" +#include "ImageTypes.h" +#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc +#include "mozilla/RefPtr.h" // for RefPtr +#include "mozilla/gfx/Matrix.h" // for Matrix4x4 +#include "mozilla/gfx/Rect.h" // for Rect +#include "mozilla/gfx/Types.h" +#include "nsDebug.h" // for NS_ASSERTION +#include "nsPoint.h" // for nsIntPoint +#include "nsTArray.h" // for nsTArray +#include "mozilla/layers/CompositorTypes.h" + +namespace mozilla { +namespace layers { + +enum ShaderFeatures { + ENABLE_RENDER_COLOR = 0x01, + ENABLE_TEXTURE_RECT = 0x02, + ENABLE_TEXTURE_EXTERNAL = 0x04, + ENABLE_TEXTURE_YCBCR = 0x08, + ENABLE_TEXTURE_NV12 = 0x10, + ENABLE_TEXTURE_COMPONENT_ALPHA = 0x20, + ENABLE_TEXTURE_NO_ALPHA = 0x40, + ENABLE_TEXTURE_RB_SWAP = 0x80, + ENABLE_OPACITY = 0x100, + ENABLE_BLUR = 0x200, + ENABLE_COLOR_MATRIX = 0x400, + ENABLE_MASK = 0x800, + ENABLE_NO_PREMUL_ALPHA = 0x1000, + ENABLE_DEAA = 0x2000, + ENABLE_DYNAMIC_GEOMETRY = 0x4000, + ENABLE_MASK_TEXTURE_RECT = 0x8000, + ENABLE_TEXTURE_NV12_GA_SWITCH = 0x10000, +}; + +class KnownUniform { + public: + // this needs to be kept in sync with strings in 'AddUniforms' + enum KnownUniformName { + NotAKnownUniform = -1, + + LayerTransform = 0, + LayerTransformInverse, + MaskTransform, + BackdropTransform, + LayerRects, + MatrixProj, + TextureTransform, + TextureRects, + RenderTargetOffset, + LayerOpacity, + Texture, + YTexture, + CbTexture, + CrTexture, + RenderColor, + TexCoordMultiplier, + CbCrTexCoordMultiplier, + SSEdges, + ViewportSize, + VisibleCenter, + YuvColorMatrix, + YuvOffsetVector, + + KnownUniformCount + }; + + KnownUniform() { + mName = NotAKnownUniform; + mNameString = nullptr; + mLocation = -1; + memset(&mValue, 0, sizeof(mValue)); + } + + bool UpdateUniform(int32_t i1) { + if (mLocation == -1) return false; + if (mValue.i1 != i1) { + mValue.i1 = i1; + return true; + } + return false; + } + + bool UpdateUniform(float f1) { + if (mLocation == -1) return false; + if (mValue.f1 != f1) { + mValue.f1 = f1; + return true; + } + return false; + } + + bool UpdateUniform(float f1, float f2) { + if (mLocation == -1) return false; + if (mValue.f16v[0] != f1 || mValue.f16v[1] != f2) { + mValue.f16v[0] = f1; + mValue.f16v[1] = f2; + return true; + } + return false; + } + + bool UpdateUniform(float f1, float f2, float f3, float f4) { + if (mLocation == -1) return false; + if (mValue.f16v[0] != f1 || mValue.f16v[1] != f2 || mValue.f16v[2] != f3 || + mValue.f16v[3] != f4) { + mValue.f16v[0] = f1; + mValue.f16v[1] = f2; + mValue.f16v[2] = f3; + mValue.f16v[3] = f4; + return true; + } + return false; + } + + bool UpdateUniform(int cnt, const float* fp) { + if (mLocation == -1) return false; + switch (cnt) { + case 1: + case 2: + case 3: + case 4: + case 9: + case 16: + if (memcmp(mValue.f16v, fp, sizeof(float) * cnt) != 0) { + memcpy(mValue.f16v, fp, sizeof(float) * cnt); + return true; + } + return false; + } + + MOZ_ASSERT_UNREACHABLE("cnt must be 1 2 3 4 9 or 16"); + return false; + } + + bool UpdateArrayUniform(int cnt, const float* fp) { + if (mLocation == -1) return false; + if (cnt > 16) { + return false; + } + + if (memcmp(mValue.f16v, fp, sizeof(float) * cnt) != 0) { + memcpy(mValue.f16v, fp, sizeof(float) * cnt); + return true; + } + return false; + } + + bool UpdateArrayUniform(int cnt, const gfx::Point3D* points) { + if (mLocation == -1) return false; + if (cnt > 4) { + return false; + } + + float fp[12]; + float* d = fp; + for (int i = 0; i < cnt; i++) { + // Note: Do not want to make assumptions about .x, .y, .z member packing. + // If gfx::Point3D is updated to make this guarantee, SIMD optimizations + // may be possible + *d++ = points[i].x; + *d++ = points[i].y; + *d++ = points[i].z; + } + + if (memcmp(mValue.f16v, fp, sizeof(float) * cnt * 3) != 0) { + memcpy(mValue.f16v, fp, sizeof(float) * cnt * 3); + return true; + } + return false; + } + + KnownUniformName mName; + const char* mNameString; + int32_t mLocation; + + union { + int i1; + float f1; + float f16v[16]; + } mValue; +}; + +class ShaderConfigOGL { + public: + ShaderConfigOGL() + : mFeatures(0), + mMultiplier(1), + mCompositionOp(gfx::CompositionOp::OP_OVER) {} + + void SetRenderColor(bool aEnabled); + void SetTextureTarget(GLenum aTarget); + void SetMaskTextureTarget(GLenum aTarget); + void SetRBSwap(bool aEnabled); + void SetNoAlpha(bool aEnabled); + void SetOpacity(bool aEnabled); + void SetYCbCr(bool aEnabled); + void SetNV12(bool aEnabled); + void SetComponentAlpha(bool aEnabled); + void SetColorMatrix(bool aEnabled); + void SetBlur(bool aEnabled); + void SetMask(bool aEnabled); + void SetDEAA(bool aEnabled); + void SetCompositionOp(gfx::CompositionOp aOp); + void SetNoPremultipliedAlpha(); + void SetDynamicGeometry(bool aEnabled); + void SetColorMultiplier(uint32_t aMultiplier); + + bool operator<(const ShaderConfigOGL& other) const { + return mFeatures < other.mFeatures || + (mFeatures == other.mFeatures && + (int)mCompositionOp < (int)other.mCompositionOp) || + (mFeatures == other.mFeatures && + (int)mCompositionOp == (int)other.mCompositionOp && + mMultiplier < other.mMultiplier); + } + + public: + void SetFeature(int aBitmask, bool aState) { + if (aState) + mFeatures |= aBitmask; + else + mFeatures &= (~aBitmask); + } + + int mFeatures; + uint32_t mMultiplier; + gfx::CompositionOp mCompositionOp; +}; + +static inline ShaderConfigOGL ShaderConfigFromTargetAndFormat( + GLenum aTarget, gfx::SurfaceFormat aFormat) { + ShaderConfigOGL config; + config.SetTextureTarget(aTarget); + config.SetRBSwap(aFormat == gfx::SurfaceFormat::B8G8R8A8 || + aFormat == gfx::SurfaceFormat::B8G8R8X8); + config.SetNoAlpha(aFormat == gfx::SurfaceFormat::B8G8R8X8 || + aFormat == gfx::SurfaceFormat::R8G8B8X8 || + aFormat == gfx::SurfaceFormat::R5G6B5_UINT16); + return config; +} + +} // namespace layers +} // namespace mozilla + +#endif // GFX_OGLSHADERCONFIG_H |