// // 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::State &state, gl::ErrorSet *errorSet, AllocationTrackerNULL *allocationTracker); ~ContextNULL() override; angle::Result initialize(const angle::ImageLoadContext &imageLoadContext) override; // Flush and finish. angle::Result flush(const gl::Context *context) override; angle::Result finish(const gl::Context *context) override; // Drawing methods. angle::Result drawArrays(const gl::Context *context, gl::PrimitiveMode mode, GLint first, GLsizei count) override; angle::Result drawArraysInstanced(const gl::Context *context, gl::PrimitiveMode mode, GLint first, GLsizei count, GLsizei instanceCount) override; angle::Result drawArraysInstancedBaseInstance(const gl::Context *context, gl::PrimitiveMode mode, GLint first, GLsizei count, GLsizei instanceCount, GLuint baseInstance) override; angle::Result drawElements(const gl::Context *context, gl::PrimitiveMode mode, GLsizei count, gl::DrawElementsType type, const void *indices) override; angle::Result drawElementsBaseVertex(const gl::Context *context, gl::PrimitiveMode mode, GLsizei count, gl::DrawElementsType type, const void *indices, GLint baseVertex) override; angle::Result drawElementsInstanced(const gl::Context *context, gl::PrimitiveMode mode, GLsizei count, gl::DrawElementsType type, const void *indices, GLsizei instances) override; angle::Result drawElementsInstancedBaseVertex(const gl::Context *context, gl::PrimitiveMode mode, GLsizei count, gl::DrawElementsType type, const void *indices, GLsizei instances, GLint baseVertex) override; angle::Result drawElementsInstancedBaseVertexBaseInstance(const gl::Context *context, gl::PrimitiveMode mode, GLsizei count, gl::DrawElementsType type, const void *indices, GLsizei instances, GLint baseVertex, GLuint baseInstance) override; angle::Result drawRangeElements(const gl::Context *context, gl::PrimitiveMode mode, GLuint start, GLuint end, GLsizei count, gl::DrawElementsType type, const void *indices) override; angle::Result drawRangeElementsBaseVertex(const gl::Context *context, gl::PrimitiveMode mode, GLuint start, GLuint end, GLsizei count, gl::DrawElementsType type, const void *indices, GLint baseVertex) override; angle::Result drawArraysIndirect(const gl::Context *context, gl::PrimitiveMode mode, const void *indirect) override; angle::Result drawElementsIndirect(const gl::Context *context, gl::PrimitiveMode mode, gl::DrawElementsType type, const void *indirect) override; angle::Result multiDrawArrays(const gl::Context *context, gl::PrimitiveMode mode, const GLint *firsts, const GLsizei *counts, GLsizei drawcount) override; angle::Result multiDrawArraysInstanced(const gl::Context *context, gl::PrimitiveMode mode, const GLint *firsts, const GLsizei *counts, const GLsizei *instanceCounts, GLsizei drawcount) override; angle::Result multiDrawArraysIndirect(const gl::Context *context, gl::PrimitiveMode mode, const void *indirect, GLsizei drawcount, GLsizei stride) override; angle::Result multiDrawElements(const gl::Context *context, gl::PrimitiveMode mode, const GLsizei *counts, gl::DrawElementsType type, const GLvoid *const *indices, GLsizei drawcount) override; angle::Result multiDrawElementsInstanced(const gl::Context *context, gl::PrimitiveMode mode, const GLsizei *counts, gl::DrawElementsType type, const GLvoid *const *indices, const GLsizei *instanceCounts, GLsizei drawcount) override; angle::Result multiDrawElementsIndirect(const gl::Context *context, gl::PrimitiveMode mode, gl::DrawElementsType type, const void *indirect, GLsizei drawcount, GLsizei stride) override; angle::Result multiDrawArraysInstancedBaseInstance(const gl::Context *context, gl::PrimitiveMode mode, const GLint *firsts, const GLsizei *counts, const GLsizei *instanceCounts, const GLuint *baseInstances, GLsizei drawcount) override; angle::Result multiDrawElementsInstancedBaseVertexBaseInstance(const gl::Context *context, gl::PrimitiveMode mode, const GLsizei *counts, gl::DrawElementsType type, const GLvoid *const *indices, const GLsizei *instanceCounts, const GLint *baseVertices, const GLuint *baseInstances, GLsizei drawcount) override; // Device loss gl::GraphicsResetStatus getResetStatus() override; // EXT_debug_marker angle::Result insertEventMarker(GLsizei length, const char *marker) override; angle::Result pushGroupMarker(GLsizei length, const char *marker) override; angle::Result popGroupMarker() override; // KHR_debug angle::Result pushDebugGroup(const gl::Context *context, GLenum source, GLuint id, const std::string &message) override; angle::Result popDebugGroup(const gl::Context *context) override; // State sync with dirty bits. angle::Result syncState(const gl::Context *context, const gl::state::DirtyBits dirtyBits, const gl::state::DirtyBits bitMask, const gl::state::ExtendedDirtyBits extendedDirtyBits, const gl::state::ExtendedDirtyBits extendedBitMask, gl::Command command) override; // Disjoint timer queries GLint getGPUDisjoint() override; GLint64 getTimestamp() override; // Context switching angle::Result onMakeCurrent(const gl::Context *context) override; // Native capabilities, unmodified by gl::Context. gl::Caps getNativeCaps() const override; const gl::TextureCapsMap &getNativeTextureCaps() const override; const gl::Extensions &getNativeExtensions() const override; const gl::Limitations &getNativeLimitations() const override; const ShPixelLocalStorageOptions &getNativePixelLocalStorageOptions() const override; // Shader creation CompilerImpl *createCompiler() override; ShaderImpl *createShader(const gl::ShaderState &data) override; ProgramImpl *createProgram(const gl::ProgramState &data) override; ProgramExecutableImpl *createProgramExecutable( const gl::ProgramExecutable *executable) override; // Framebuffer creation FramebufferImpl *createFramebuffer(const gl::FramebufferState &data) override; // Texture creation TextureImpl *createTexture(const gl::TextureState &state) override; // Renderbuffer creation RenderbufferImpl *createRenderbuffer(const gl::RenderbufferState &state) 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(gl::QueryType type) override; FenceNVImpl *createFenceNV() override; SyncImpl *createSync() override; // Transform Feedback creation TransformFeedbackImpl *createTransformFeedback( const gl::TransformFeedbackState &state) override; // Sampler object creation SamplerImpl *createSampler(const gl::SamplerState &state) override; // Program Pipeline object creation ProgramPipelineImpl *createProgramPipeline(const gl::ProgramPipelineState &data) override; // Memory object creation. MemoryObjectImpl *createMemoryObject() override; // Semaphore creation. SemaphoreImpl *createSemaphore() override; // Overlay creation. OverlayImpl *createOverlay(const gl::OverlayState &state) override; angle::Result dispatchCompute(const gl::Context *context, GLuint numGroupsX, GLuint numGroupsY, GLuint numGroupsZ) override; angle::Result dispatchComputeIndirect(const gl::Context *context, GLintptr indirect) override; angle::Result memoryBarrier(const gl::Context *context, GLbitfield barriers) override; angle::Result memoryBarrierByRegion(const gl::Context *context, GLbitfield barriers) override; void handleError(GLenum errorCode, const char *message, const char *file, const char *function, unsigned int line); private: gl::Caps mCaps; gl::TextureCapsMap mTextureCaps; gl::Extensions mExtensions; gl::Limitations mLimitations; ShPixelLocalStorageOptions mPLSOptions; AllocationTrackerNULL *mAllocationTracker; }; } // namespace rx #endif // LIBANGLE_RENDERER_NULL_CONTEXTNULL_H_