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//
// 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.
//
// ContextGL:
// OpenGL-specific functionality associated with a GL Context.
//
#ifndef LIBANGLE_RENDERER_GL_CONTEXTGL_H_
#define LIBANGLE_RENDERER_GL_CONTEXTGL_H_
#include "libANGLE/renderer/ContextImpl.h"
#include "libANGLE/renderer/gl/RendererGL.h"
namespace angle
{
struct FeaturesGL;
} // namespace angle
namespace sh
{
struct BlockMemberInfo;
} // namespace sh
namespace rx
{
class BlitGL;
class ClearMultiviewGL;
class FunctionsGL;
class RendererGL;
class StateManagerGL;
enum class RobustnessVideoMemoryPurgeStatus
{
NOT_REQUESTED = 0,
REQUESTED = 1,
};
class ContextGL : public ContextImpl
{
public:
ContextGL(const gl::State &state,
gl::ErrorSet *errorSet,
const std::shared_ptr<RendererGL> &renderer,
RobustnessVideoMemoryPurgeStatus robustnessVideoMemoryPurgeStatus);
~ContextGL() override;
angle::Result initialize() 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(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;
// 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 instanceCount,
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,
gl::Command command) override;
// Disjoint timer queries
GLint getGPUDisjoint() override;
GLint64 getTimestamp() override;
// Context switching
angle::Result onMakeCurrent(const gl::Context *context) override;
angle::Result onUnMakeCurrent(const gl::Context *context) override;
// Caps queries
gl::Caps getNativeCaps() const override;
const gl::TextureCapsMap &getNativeTextureCaps() const override;
const gl::Extensions &getNativeExtensions() const override;
const gl::Limitations &getNativeLimitations() const override;
ShPixelLocalStorageType getNativePixelLocalStorageType() const override;
// Handle helpers
ANGLE_INLINE const FunctionsGL *getFunctions() const { return mRenderer->getFunctions(); }
StateManagerGL *getStateManager();
const angle::FeaturesGL &getFeaturesGL() const;
BlitGL *getBlitter() const;
ClearMultiviewGL *getMultiviewClearer() const;
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 framebufferFetchBarrier() override;
void setMaxShaderCompilerThreads(GLuint count) override;
void invalidateTexture(gl::TextureType target) override;
void validateState() const;
void setNeedsFlushBeforeDeleteTextures();
void flushIfNecessaryBeforeDeleteTextures();
void markWorkSubmitted();
const gl::Debug &getDebug() const { return mState.getDebug(); }
private:
angle::Result setDrawArraysState(const gl::Context *context,
GLint first,
GLsizei count,
GLsizei instanceCount);
angle::Result setDrawElementsState(const gl::Context *context,
GLsizei count,
gl::DrawElementsType type,
const void *indices,
GLsizei instanceCount,
const void **outIndices);
gl::AttributesMask updateAttributesForBaseInstance(const gl::Program *program,
GLuint baseInstance);
void resetUpdatedAttributes(gl::AttributesMask attribMask);
protected:
std::shared_ptr<RendererGL> mRenderer;
RobustnessVideoMemoryPurgeStatus mRobustnessVideoMemoryPurgeStatus;
};
} // namespace rx
#endif // LIBANGLE_RENDERER_GL_CONTEXTGL_H_