| // |
| // Copyright 2015 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. |
| // |
| |
| // TextureGL.h: Defines the class interface for TextureGL. |
| |
| #ifndef LIBANGLE_RENDERER_GL_TEXTUREGL_H_ |
| #define LIBANGLE_RENDERER_GL_TEXTUREGL_H_ |
| |
| #include "libANGLE/angletypes.h" |
| #include "libANGLE/renderer/TextureImpl.h" |
| #include "libANGLE/Texture.h" |
| |
| namespace rx |
| { |
| |
| class BlitGL; |
| class FunctionsGL; |
| class StateManagerGL; |
| struct WorkaroundsGL; |
| |
| struct LUMAWorkaroundGL |
| { |
| bool enabled; |
| GLenum workaroundFormat; |
| |
| LUMAWorkaroundGL(); |
| LUMAWorkaroundGL(bool enabled, GLenum workaroundFormat); |
| }; |
| |
| // Structure containing information about format and workarounds for each mip level of the |
| // TextureGL. |
| struct LevelInfoGL |
| { |
| // Format of the data used in this mip level. |
| GLenum sourceFormat; |
| |
| // If this mip level requires sampler-state re-writing so that only a red channel is exposed. |
| bool depthStencilWorkaround; |
| |
| // Information about luminance alpha texture workarounds in the core profile. |
| LUMAWorkaroundGL lumaWorkaround; |
| |
| LevelInfoGL(); |
| LevelInfoGL(GLenum sourceFormat, |
| bool depthStencilWorkaround, |
| const LUMAWorkaroundGL &lumaWorkaround); |
| }; |
| |
| class TextureGL : public TextureImpl |
| { |
| public: |
| TextureGL(const gl::TextureState &state, |
| const FunctionsGL *functions, |
| const WorkaroundsGL &workarounds, |
| StateManagerGL *stateManager, |
| BlitGL *blitter); |
| ~TextureGL() override; |
| |
| gl::Error setImage(ContextImpl *contextImpl, |
| GLenum target, |
| size_t level, |
| GLenum internalFormat, |
| const gl::Extents &size, |
| GLenum format, |
| GLenum type, |
| const gl::PixelUnpackState &unpack, |
| const uint8_t *pixels) override; |
| gl::Error setSubImage(ContextImpl *contextImpl, |
| GLenum target, |
| size_t level, |
| const gl::Box &area, |
| GLenum format, |
| GLenum type, |
| const gl::PixelUnpackState &unpack, |
| const uint8_t *pixels) override; |
| |
| gl::Error setCompressedImage(ContextImpl *contextImpl, |
| GLenum target, |
| size_t level, |
| GLenum internalFormat, |
| const gl::Extents &size, |
| const gl::PixelUnpackState &unpack, |
| size_t imageSize, |
| const uint8_t *pixels) override; |
| gl::Error setCompressedSubImage(ContextImpl *contextImpl, |
| GLenum target, |
| size_t level, |
| const gl::Box &area, |
| GLenum format, |
| const gl::PixelUnpackState &unpack, |
| size_t imageSize, |
| const uint8_t *pixels) override; |
| |
| gl::Error copyImage(ContextImpl *contextImpl, |
| GLenum target, |
| size_t level, |
| const gl::Rectangle &sourceArea, |
| GLenum internalFormat, |
| const gl::Framebuffer *source) override; |
| gl::Error copySubImage(ContextImpl *contextImpl, |
| GLenum target, |
| size_t level, |
| const gl::Offset &destOffset, |
| const gl::Rectangle &sourceArea, |
| const gl::Framebuffer *source) override; |
| |
| gl::Error copyTexture(ContextImpl *contextImpl, |
| GLenum target, |
| size_t level, |
| GLenum internalFormat, |
| GLenum type, |
| size_t sourceLevel, |
| bool unpackFlipY, |
| bool unpackPremultiplyAlpha, |
| bool unpackUnmultiplyAlpha, |
| const gl::Texture *source) override; |
| gl::Error copySubTexture(ContextImpl *contextImpl, |
| GLenum target, |
| size_t level, |
| const gl::Offset &destOffset, |
| size_t sourceLevel, |
| const gl::Rectangle &sourceArea, |
| bool unpackFlipY, |
| bool unpackPremultiplyAlpha, |
| bool unpackUnmultiplyAlpha, |
| const gl::Texture *source) override; |
| gl::Error copySubTextureHelper(GLenum target, |
| size_t level, |
| const gl::Offset &destOffset, |
| size_t sourceLevel, |
| const gl::Rectangle &sourceArea, |
| GLenum destFormat, |
| bool unpackFlipY, |
| bool unpackPremultiplyAlpha, |
| bool unpackUnmultiplyAlpha, |
| const gl::Texture *source); |
| |
| gl::Error setStorage(ContextImpl *contextImpl, |
| GLenum target, |
| size_t levels, |
| GLenum internalFormat, |
| const gl::Extents &size) override; |
| |
| gl::Error setStorageMultisample(ContextImpl *contextImpl, |
| GLenum target, |
| GLsizei samples, |
| GLint internalFormat, |
| const gl::Extents &size, |
| GLboolean fixedSampleLocations) override; |
| |
| gl::Error setImageExternal(GLenum target, |
| egl::Stream *stream, |
| const egl::Stream::GLTextureDescription &desc) override; |
| |
| gl::Error generateMipmap(ContextImpl *contextImpl) override; |
| |
| void bindTexImage(egl::Surface *surface) override; |
| void releaseTexImage() override; |
| |
| gl::Error setEGLImageTarget(GLenum target, egl::Image *image) override; |
| |
| GLuint getTextureID() const; |
| GLenum getTarget() const; |
| |
| void syncState(const gl::Texture::DirtyBits &dirtyBits) override; |
| bool hasAnyDirtyBit() const; |
| |
| void setBaseLevel(GLuint baseLevel) override; |
| |
| void setMinFilter(GLenum filter); |
| void setMagFilter(GLenum filter); |
| |
| void setSwizzle(GLint swizzle[4]); |
| |
| private: |
| void setImageHelper(GLenum target, |
| size_t level, |
| GLenum internalFormat, |
| const gl::Extents &size, |
| GLenum format, |
| GLenum type, |
| const uint8_t *pixels); |
| // This changes the current pixel unpack state that will have to be reapplied. |
| void reserveTexImageToBeFilled(GLenum target, |
| size_t level, |
| GLenum internalFormat, |
| const gl::Extents &size, |
| GLenum format, |
| GLenum type); |
| gl::Error setSubImageRowByRowWorkaround(GLenum target, |
| size_t level, |
| const gl::Box &area, |
| GLenum format, |
| GLenum type, |
| const gl::PixelUnpackState &unpack, |
| const uint8_t *pixels); |
| |
| gl::Error setSubImagePaddingWorkaround(GLenum target, |
| size_t level, |
| const gl::Box &area, |
| GLenum format, |
| GLenum type, |
| const gl::PixelUnpackState &unpack, |
| const uint8_t *pixels); |
| |
| void syncTextureStateSwizzle(const FunctionsGL *functions, |
| GLenum name, |
| GLenum value, |
| GLenum *outValue); |
| |
| void setLevelInfo(size_t level, size_t levelCount, const LevelInfoGL &levelInfo); |
| |
| const FunctionsGL *mFunctions; |
| const WorkaroundsGL &mWorkarounds; |
| StateManagerGL *mStateManager; |
| BlitGL *mBlitter; |
| |
| std::vector<LevelInfoGL> mLevelInfo; |
| gl::Texture::DirtyBits mLocalDirtyBits; |
| |
| gl::SwizzleState mAppliedSwizzle; |
| gl::SamplerState mAppliedSampler; |
| GLuint mAppliedBaseLevel; |
| GLuint mAppliedMaxLevel; |
| |
| GLuint mTextureID; |
| }; |
| |
| } |
| |
| #endif // LIBANGLE_RENDERER_GL_TEXTUREGL_H_ |