| // |
| // Copyright 2016 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. |
| // |
| // ContextNULL.h: |
| // Defines the class interface for ContextNULL, implementing ContextImpl. |
| // |
| |
| #ifndef LIBANGLE_RENDERER_NULL_CONTEXTNULL_H_ |
| #define LIBANGLE_RENDERER_NULL_CONTEXTNULL_H_ |
| |
| #include "libANGLE/renderer/ContextImpl.h" |
| |
| namespace rx |
| { |
| |
| class AllocationTrackerNULL : angle::NonCopyable |
| { |
| public: |
| explicit AllocationTrackerNULL(size_t maxTotalAllocationSize); |
| ~AllocationTrackerNULL(); |
| |
| // Check if it is possible to change an allocation from oldSize to newSize. If it is possible, |
| // the allocation is registered and true is returned else false is returned. |
| bool updateMemoryAllocation(size_t oldSize, size_t newSize); |
| |
| private: |
| size_t mAllocatedBytes; |
| const size_t mMaxBytes; |
| }; |
| |
| class ContextNULL : public ContextImpl |
| { |
| public: |
| ContextNULL(const gl::ContextState &state, AllocationTrackerNULL *allocationTracker); |
| ~ContextNULL() override; |
| |
| gl::Error initialize() override; |
| |
| // Flush and finish. |
| gl::Error flush() override; |
| gl::Error finish() override; |
| |
| // Drawing methods. |
| gl::Error drawArrays(GLenum mode, GLint first, GLsizei count) override; |
| gl::Error drawArraysInstanced(GLenum mode, |
| GLint first, |
| GLsizei count, |
| GLsizei instanceCount) override; |
| |
| gl::Error drawElements(GLenum mode, |
| GLsizei count, |
| GLenum type, |
| const void *indices, |
| const gl::IndexRange &indexRange) override; |
| gl::Error drawElementsInstanced(GLenum mode, |
| GLsizei count, |
| GLenum type, |
| const void *indices, |
| GLsizei instances, |
| const gl::IndexRange &indexRange) override; |
| gl::Error drawRangeElements(GLenum mode, |
| GLuint start, |
| GLuint end, |
| GLsizei count, |
| GLenum type, |
| const void *indices, |
| const gl::IndexRange &indexRange) override; |
| gl::Error drawArraysIndirect(GLenum mode, const void *indirect) override; |
| gl::Error drawElementsIndirect(GLenum mode, GLenum type, const void *indirect) override; |
| |
| // CHROMIUM_path_rendering path drawing methods. |
| void stencilFillPath(const gl::Path *path, GLenum fillMode, GLuint mask) override; |
| void stencilStrokePath(const gl::Path *path, GLint reference, GLuint mask) override; |
| void coverFillPath(const gl::Path *path, GLenum coverMode) override; |
| void coverStrokePath(const gl::Path *path, GLenum coverMode) override; |
| void stencilThenCoverFillPath(const gl::Path *path, |
| GLenum fillMode, |
| GLuint mask, |
| GLenum coverMode) override; |
| |
| void stencilThenCoverStrokePath(const gl::Path *path, |
| GLint reference, |
| GLuint mask, |
| GLenum coverMode) override; |
| |
| void coverFillPathInstanced(const std::vector<gl::Path *> &paths, |
| GLenum coverMode, |
| GLenum transformType, |
| const GLfloat *transformValues) override; |
| void coverStrokePathInstanced(const std::vector<gl::Path *> &paths, |
| GLenum coverMode, |
| GLenum transformType, |
| const GLfloat *transformValues) override; |
| void stencilFillPathInstanced(const std::vector<gl::Path *> &paths, |
| GLenum fillMode, |
| GLuint mask, |
| GLenum transformType, |
| const GLfloat *transformValues) override; |
| void stencilStrokePathInstanced(const std::vector<gl::Path *> &paths, |
| GLint reference, |
| GLuint mask, |
| GLenum transformType, |
| const GLfloat *transformValues) override; |
| void stencilThenCoverFillPathInstanced(const std::vector<gl::Path *> &paths, |
| GLenum coverMode, |
| GLenum fillMode, |
| GLuint mask, |
| GLenum transformType, |
| const GLfloat *transformValues) override; |
| void stencilThenCoverStrokePathInstanced(const std::vector<gl::Path *> &paths, |
| GLenum coverMode, |
| GLint reference, |
| GLuint mask, |
| GLenum transformType, |
| const GLfloat *transformValues) override; |
| |
| // Device loss |
| GLenum getResetStatus() override; |
| |
| // Vendor and description strings. |
| std::string getVendorString() const override; |
| std::string getRendererDescription() const override; |
| |
| // Debug markers. |
| void insertEventMarker(GLsizei length, const char *marker) override; |
| void pushGroupMarker(GLsizei length, const char *marker) override; |
| void popGroupMarker() override; |
| |
| // State sync with dirty bits. |
| void syncState(const gl::State::DirtyBits &dirtyBits) override; |
| |
| // Disjoint timer queries |
| GLint getGPUDisjoint() override; |
| GLint64 getTimestamp() override; |
| |
| // Context switching |
| void onMakeCurrent(const gl::ContextState &data) override; |
| |
| // Native capabilities, unmodified by gl::Context. |
| const gl::Caps &getNativeCaps() const override; |
| const gl::TextureCapsMap &getNativeTextureCaps() const override; |
| const gl::Extensions &getNativeExtensions() const override; |
| const gl::Limitations &getNativeLimitations() const override; |
| |
| // Shader creation |
| CompilerImpl *createCompiler() override; |
| ShaderImpl *createShader(const gl::ShaderState &data) override; |
| ProgramImpl *createProgram(const gl::ProgramState &data) override; |
| |
| // Framebuffer creation |
| FramebufferImpl *createFramebuffer(const gl::FramebufferState &data) override; |
| |
| // Texture creation |
| TextureImpl *createTexture(const gl::TextureState &state) override; |
| |
| // Renderbuffer creation |
| RenderbufferImpl *createRenderbuffer() override; |
| |
| // Buffer creation |
| BufferImpl *createBuffer(const gl::BufferState &state) override; |
| |
| // Vertex Array creation |
| VertexArrayImpl *createVertexArray(const gl::VertexArrayState &data) override; |
| |
| // Query and Fence creation |
| QueryImpl *createQuery(GLenum type) override; |
| FenceNVImpl *createFenceNV() override; |
| FenceSyncImpl *createFenceSync() override; |
| |
| // Transform Feedback creation |
| TransformFeedbackImpl *createTransformFeedback( |
| const gl::TransformFeedbackState &state) override; |
| |
| // Sampler object creation |
| SamplerImpl *createSampler() override; |
| |
| std::vector<PathImpl *> createPaths(GLsizei range) override; |
| |
| gl::Error dispatchCompute(GLuint numGroupsX, GLuint numGroupsY, GLuint numGroupsZ) override; |
| |
| private: |
| gl::Caps mCaps; |
| gl::TextureCapsMap mTextureCaps; |
| gl::Extensions mExtensions; |
| gl::Limitations mLimitations; |
| |
| AllocationTrackerNULL *mAllocationTracker; |
| }; |
| |
| } // namespace rx |
| |
| #endif // LIBANGLE_RENDERER_NULL_CONTEXTNULL_H_ |