| // |
| // Copyright 2002 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. |
| // |
| |
| // Context.h: Defines the gl::Context class, managing all GL state and performing |
| // rendering operations. It is the GLES2 specific implementation of EGLContext. |
| |
| #ifndef LIBANGLE_CONTEXT_H_ |
| #define LIBANGLE_CONTEXT_H_ |
| |
| #include <set> |
| #include <string> |
| |
| #include "angle_gl.h" |
| #include "common/MemoryBuffer.h" |
| #include "common/PackedEnums.h" |
| #include "common/angleutils.h" |
| #include "libANGLE/Caps.h" |
| #include "libANGLE/Constants.h" |
| #include "libANGLE/Context_gl_1_0_autogen.h" |
| #include "libANGLE/Context_gl_1_1_autogen.h" |
| #include "libANGLE/Context_gl_1_2_autogen.h" |
| #include "libANGLE/Context_gl_1_3_autogen.h" |
| #include "libANGLE/Context_gl_1_4_autogen.h" |
| #include "libANGLE/Context_gl_1_5_autogen.h" |
| #include "libANGLE/Context_gl_2_0_autogen.h" |
| #include "libANGLE/Context_gl_2_1_autogen.h" |
| #include "libANGLE/Context_gl_3_0_autogen.h" |
| #include "libANGLE/Context_gl_3_1_autogen.h" |
| #include "libANGLE/Context_gl_3_2_autogen.h" |
| #include "libANGLE/Context_gl_3_3_autogen.h" |
| #include "libANGLE/Context_gl_4_0_autogen.h" |
| #include "libANGLE/Context_gl_4_1_autogen.h" |
| #include "libANGLE/Context_gl_4_2_autogen.h" |
| #include "libANGLE/Context_gl_4_3_autogen.h" |
| #include "libANGLE/Context_gl_4_4_autogen.h" |
| #include "libANGLE/Context_gl_4_5_autogen.h" |
| #include "libANGLE/Context_gl_4_6_autogen.h" |
| #include "libANGLE/Context_gles_1_0_autogen.h" |
| #include "libANGLE/Context_gles_2_0_autogen.h" |
| #include "libANGLE/Context_gles_3_0_autogen.h" |
| #include "libANGLE/Context_gles_3_1_autogen.h" |
| #include "libANGLE/Context_gles_3_2_autogen.h" |
| #include "libANGLE/Context_gles_ext_autogen.h" |
| #include "libANGLE/Error.h" |
| #include "libANGLE/HandleAllocator.h" |
| #include "libANGLE/RefCountObject.h" |
| #include "libANGLE/ResourceManager.h" |
| #include "libANGLE/ResourceMap.h" |
| #include "libANGLE/State.h" |
| #include "libANGLE/VertexAttribute.h" |
| #include "libANGLE/WorkerThread.h" |
| #include "libANGLE/angletypes.h" |
| |
| namespace angle |
| { |
| class FrameCapture; |
| struct FrontendFeatures; |
| } // namespace angle |
| |
| namespace rx |
| { |
| class ContextImpl; |
| class EGLImplFactory; |
| } // namespace rx |
| |
| namespace egl |
| { |
| class AttributeMap; |
| class Surface; |
| struct Config; |
| class Thread; |
| } // namespace egl |
| |
| namespace gl |
| { |
| class Buffer; |
| class Compiler; |
| class FenceNV; |
| class Framebuffer; |
| class GLES1Renderer; |
| class MemoryProgramCache; |
| class MemoryObject; |
| class Program; |
| class ProgramPipeline; |
| class Query; |
| class Renderbuffer; |
| class Sampler; |
| class Semaphore; |
| class Shader; |
| class Sync; |
| class Texture; |
| class TransformFeedback; |
| class VertexArray; |
| struct VertexAttribute; |
| |
| class ErrorSet : angle::NonCopyable |
| { |
| public: |
| explicit ErrorSet(Context *context); |
| ~ErrorSet(); |
| |
| bool empty() const; |
| GLenum popError(); |
| |
| void handleError(GLenum errorCode, |
| const char *message, |
| const char *file, |
| const char *function, |
| unsigned int line); |
| |
| void validationError(GLenum errorCode, const char *message); |
| |
| private: |
| Context *mContext; |
| std::set<GLenum> mErrors; |
| }; |
| |
| enum class VertexAttribTypeCase |
| { |
| Invalid = 0, |
| Valid = 1, |
| ValidSize4Only = 2, |
| ValidSize3or4 = 3, |
| }; |
| |
| // Helper class for managing cache variables and state changes. |
| class StateCache final : angle::NonCopyable |
| { |
| public: |
| StateCache(); |
| ~StateCache(); |
| |
| void initialize(Context *context); |
| |
| // Places that can trigger updateActiveAttribsMask: |
| // 1. onVertexArrayBindingChange. |
| // 2. onProgramExecutableChange. |
| // 3. onVertexArrayStateChange. |
| // 4. onGLES1ClientStateChange. |
| AttributesMask getActiveBufferedAttribsMask() const { return mCachedActiveBufferedAttribsMask; } |
| AttributesMask getActiveClientAttribsMask() const { return mCachedActiveClientAttribsMask; } |
| AttributesMask getActiveDefaultAttribsMask() const { return mCachedActiveDefaultAttribsMask; } |
| bool hasAnyEnabledClientAttrib() const { return mCachedHasAnyEnabledClientAttrib; } |
| bool hasAnyActiveClientAttrib() const { return mCachedActiveClientAttribsMask.any(); } |
| |
| // Places that can trigger updateVertexElementLimits: |
| // 1. onVertexArrayBindingChange. |
| // 2. onProgramExecutableChange. |
| // 3. onVertexArrayFormatChange. |
| // 4. onVertexArrayBufferChange. |
| // 5. onVertexArrayStateChange. |
| GLint64 getNonInstancedVertexElementLimit() const |
| { |
| return mCachedNonInstancedVertexElementLimit; |
| } |
| GLint64 getInstancedVertexElementLimit() const { return mCachedInstancedVertexElementLimit; } |
| |
| // Places that can trigger updateBasicDrawStatesError: |
| // 1. onVertexArrayBindingChange. |
| // 2. onProgramExecutableChange. |
| // 3. onVertexArrayBufferContentsChange. |
| // 4. onVertexArrayStateChange. |
| // 5. onVertexArrayBufferStateChange. |
| // 6. onDrawFramebufferChange. |
| // 7. onContextCapChange. |
| // 8. onStencilStateChange. |
| // 9. onDefaultVertexAttributeChange. |
| // 10. onActiveTextureChange. |
| // 11. onQueryChange. |
| // 12. onActiveTransformFeedbackChange. |
| // 13. onUniformBufferStateChange. |
| // 14. onColorMaskChange. |
| // 15. onBufferBindingChange. |
| // 16. onBlendFuncIndexedChange. |
| bool hasBasicDrawStatesError(Context *context) const |
| { |
| if (mCachedBasicDrawStatesError == 0) |
| { |
| return false; |
| } |
| if (mCachedBasicDrawStatesError != kInvalidPointer) |
| { |
| return true; |
| } |
| return getBasicDrawStatesErrorImpl(context) != 0; |
| } |
| |
| intptr_t getBasicDrawStatesError(const Context *context) const |
| { |
| if (mCachedBasicDrawStatesError != kInvalidPointer) |
| { |
| return mCachedBasicDrawStatesError; |
| } |
| |
| return getBasicDrawStatesErrorImpl(context); |
| } |
| |
| // Places that can trigger updateBasicDrawElementsError: |
| // 1. onActiveTransformFeedbackChange. |
| // 2. onVertexArrayBufferStateChange. |
| // 3. onBufferBindingChange. |
| intptr_t getBasicDrawElementsError(const Context *context) const |
| { |
| if (mCachedBasicDrawElementsError != kInvalidPointer) |
| { |
| return mCachedBasicDrawElementsError; |
| } |
| |
| return getBasicDrawElementsErrorImpl(context); |
| } |
| |
| // Places that can trigger updateValidDrawModes: |
| // 1. onProgramExecutableChange. |
| // 2. onActiveTransformFeedbackChange. |
| bool isValidDrawMode(PrimitiveMode primitiveMode) const |
| { |
| return mCachedValidDrawModes[primitiveMode]; |
| } |
| |
| // Cannot change except on Context/Extension init. |
| bool isValidBindTextureType(TextureType type) const |
| { |
| return mCachedValidBindTextureTypes[type]; |
| } |
| |
| // Cannot change except on Context/Extension init. |
| bool isValidDrawElementsType(DrawElementsType type) const |
| { |
| return mCachedValidDrawElementsTypes[type]; |
| } |
| |
| // Places that can trigger updateTransformFeedbackActiveUnpaused: |
| // 1. onActiveTransformFeedbackChange. |
| bool isTransformFeedbackActiveUnpaused() const |
| { |
| return mCachedTransformFeedbackActiveUnpaused; |
| } |
| |
| // Cannot change except on Context/Extension init. |
| VertexAttribTypeCase getVertexAttribTypeValidation(VertexAttribType type) const |
| { |
| return mCachedVertexAttribTypesValidation[type]; |
| } |
| |
| VertexAttribTypeCase getIntegerVertexAttribTypeValidation(VertexAttribType type) const |
| { |
| return mCachedIntegerVertexAttribTypesValidation[type]; |
| } |
| |
| // Places that can trigger updateActiveShaderStorageBufferIndices: |
| // 1. onProgramExecutableChange. |
| StorageBuffersMask getActiveShaderStorageBufferIndices() const |
| { |
| return mCachedActiveShaderStorageBufferIndices; |
| } |
| |
| // Places that can trigger updateCanDraw: |
| // 1. onProgramExecutableChange. |
| bool getCanDraw() const { return mCachedCanDraw; } |
| |
| // State change notifications. |
| void onVertexArrayBindingChange(Context *context); |
| void onProgramExecutableChange(Context *context); |
| void onVertexArrayFormatChange(Context *context); |
| void onVertexArrayBufferContentsChange(Context *context); |
| void onVertexArrayStateChange(Context *context); |
| void onVertexArrayBufferStateChange(Context *context); |
| void onGLES1ClientStateChange(Context *context); |
| void onDrawFramebufferChange(Context *context); |
| void onContextCapChange(Context *context); |
| void onStencilStateChange(Context *context); |
| void onDefaultVertexAttributeChange(Context *context); |
| void onActiveTextureChange(Context *context); |
| void onQueryChange(Context *context); |
| void onActiveTransformFeedbackChange(Context *context); |
| void onUniformBufferStateChange(Context *context); |
| void onColorMaskChange(Context *context); |
| void onBufferBindingChange(Context *context); |
| void onBlendFuncIndexedChange(Context *context); |
| |
| private: |
| // Cache update functions. |
| void updateActiveAttribsMask(Context *context); |
| void updateVertexElementLimits(Context *context); |
| void updateVertexElementLimitsImpl(Context *context); |
| void updateValidDrawModes(Context *context); |
| void updateValidBindTextureTypes(Context *context); |
| void updateValidDrawElementsTypes(Context *context); |
| void updateBasicDrawStatesError(); |
| void updateBasicDrawElementsError(); |
| void updateTransformFeedbackActiveUnpaused(Context *context); |
| void updateVertexAttribTypesValidation(Context *context); |
| void updateActiveShaderStorageBufferIndices(Context *context); |
| void updateCanDraw(Context *context); |
| |
| void setValidDrawModes(bool pointsOK, bool linesOK, bool trisOK, bool lineAdjOK, bool triAdjOK); |
| |
| intptr_t getBasicDrawStatesErrorImpl(const Context *context) const; |
| intptr_t getBasicDrawElementsErrorImpl(const Context *context) const; |
| |
| static constexpr intptr_t kInvalidPointer = 1; |
| |
| AttributesMask mCachedActiveBufferedAttribsMask; |
| AttributesMask mCachedActiveClientAttribsMask; |
| AttributesMask mCachedActiveDefaultAttribsMask; |
| bool mCachedHasAnyEnabledClientAttrib; |
| GLint64 mCachedNonInstancedVertexElementLimit; |
| GLint64 mCachedInstancedVertexElementLimit; |
| mutable intptr_t mCachedBasicDrawStatesError; |
| mutable intptr_t mCachedBasicDrawElementsError; |
| bool mCachedTransformFeedbackActiveUnpaused; |
| StorageBuffersMask mCachedActiveShaderStorageBufferIndices; |
| |
| // Reserve an extra slot at the end of these maps for invalid enum. |
| angle::PackedEnumMap<PrimitiveMode, bool, angle::EnumSize<PrimitiveMode>() + 1> |
| mCachedValidDrawModes; |
| angle::PackedEnumMap<TextureType, bool, angle::EnumSize<TextureType>() + 1> |
| mCachedValidBindTextureTypes; |
| angle::PackedEnumMap<DrawElementsType, bool, angle::EnumSize<DrawElementsType>() + 1> |
| mCachedValidDrawElementsTypes; |
| angle::PackedEnumMap<VertexAttribType, |
| VertexAttribTypeCase, |
| angle::EnumSize<VertexAttribType>() + 1> |
| mCachedVertexAttribTypesValidation; |
| angle::PackedEnumMap<VertexAttribType, |
| VertexAttribTypeCase, |
| angle::EnumSize<VertexAttribType>() + 1> |
| mCachedIntegerVertexAttribTypesValidation; |
| |
| bool mCachedCanDraw; |
| }; |
| |
| using VertexArrayMap = ResourceMap<VertexArray, VertexArrayID>; |
| using QueryMap = ResourceMap<Query, QueryID>; |
| using TransformFeedbackMap = ResourceMap<TransformFeedback, TransformFeedbackID>; |
| |
| class Context final : public egl::LabeledObject, angle::NonCopyable, public angle::ObserverInterface |
| { |
| public: |
| Context(egl::Display *display, |
| const egl::Config *config, |
| const Context *shareContext, |
| TextureManager *shareTextures, |
| MemoryProgramCache *memoryProgramCache, |
| const EGLenum clientType, |
| const egl::AttributeMap &attribs, |
| const egl::DisplayExtensions &displayExtensions, |
| const egl::ClientExtensions &clientExtensions); |
| |
| // Use for debugging. |
| ContextID id() const { return mState.getContextID(); } |
| |
| egl::Error onDestroy(const egl::Display *display); |
| ~Context() override; |
| |
| void setLabel(EGLLabelKHR label) override; |
| EGLLabelKHR getLabel() const override; |
| |
| egl::Error makeCurrent(egl::Display *display, |
| egl::Surface *drawSurface, |
| egl::Surface *readSurface); |
| egl::Error unMakeCurrent(const egl::Display *display); |
| |
| // These create and destroy methods are merely pass-throughs to |
| // ResourceManager, which owns these object types |
| BufferID createBuffer(); |
| TextureID createTexture(); |
| RenderbufferID createRenderbuffer(); |
| ProgramPipelineID createProgramPipeline(); |
| MemoryObjectID createMemoryObject(); |
| SemaphoreID createSemaphore(); |
| |
| void deleteBuffer(BufferID buffer); |
| void deleteTexture(TextureID texture); |
| void deleteRenderbuffer(RenderbufferID renderbuffer); |
| void deleteProgramPipeline(ProgramPipelineID pipeline); |
| void deleteMemoryObject(MemoryObjectID memoryObject); |
| void deleteSemaphore(SemaphoreID semaphore); |
| |
| void bindReadFramebuffer(FramebufferID framebufferHandle); |
| void bindDrawFramebuffer(FramebufferID framebufferHandle); |
| |
| Buffer *getBuffer(BufferID handle) const; |
| FenceNV *getFenceNV(FenceNVID handle) const; |
| Sync *getSync(GLsync handle) const; |
| ANGLE_INLINE Texture *getTexture(TextureID handle) const |
| { |
| return mState.mTextureManager->getTexture(handle); |
| } |
| |
| Framebuffer *getFramebuffer(FramebufferID handle) const; |
| Renderbuffer *getRenderbuffer(RenderbufferID handle) const; |
| VertexArray *getVertexArray(VertexArrayID handle) const; |
| Sampler *getSampler(SamplerID handle) const; |
| Query *getOrCreateQuery(QueryID handle, QueryType type); |
| Query *getQuery(QueryID handle) const; |
| TransformFeedback *getTransformFeedback(TransformFeedbackID handle) const; |
| ProgramPipeline *getProgramPipeline(ProgramPipelineID handle) const; |
| MemoryObject *getMemoryObject(MemoryObjectID handle) const; |
| Semaphore *getSemaphore(SemaphoreID handle) const; |
| |
| Texture *getTextureByType(TextureType type) const; |
| Texture *getTextureByTarget(TextureTarget target) const; |
| Texture *getSamplerTexture(unsigned int sampler, TextureType type) const; |
| |
| Compiler *getCompiler() const; |
| |
| bool isVertexArrayGenerated(VertexArrayID vertexArray) const; |
| bool isTransformFeedbackGenerated(TransformFeedbackID transformFeedback) const; |
| |
| void getBooleanvImpl(GLenum pname, GLboolean *params) const; |
| void getFloatvImpl(GLenum pname, GLfloat *params) const; |
| void getIntegervImpl(GLenum pname, GLint *params) const; |
| void getInteger64vImpl(GLenum pname, GLint64 *params) const; |
| void getIntegerVertexAttribImpl(GLenum pname, GLenum attribpname, GLint *params) const; |
| void getVertexAttribivImpl(GLuint index, GLenum pname, GLint *params) const; |
| |
| // Framebuffers are owned by the Context, so these methods do not pass through |
| FramebufferID createFramebuffer(); |
| void deleteFramebuffer(FramebufferID framebuffer); |
| |
| bool hasActiveTransformFeedback(ShaderProgramID program) const; |
| |
| // GL emulation: Interface to entry points |
| ANGLE_GL_1_0_CONTEXT_API |
| ANGLE_GL_1_1_CONTEXT_API |
| ANGLE_GL_1_2_CONTEXT_API |
| ANGLE_GL_1_3_CONTEXT_API |
| ANGLE_GL_1_4_CONTEXT_API |
| ANGLE_GL_1_5_CONTEXT_API |
| ANGLE_GL_2_0_CONTEXT_API |
| ANGLE_GL_2_1_CONTEXT_API |
| ANGLE_GL_3_0_CONTEXT_API |
| ANGLE_GL_3_1_CONTEXT_API |
| ANGLE_GL_3_2_CONTEXT_API |
| ANGLE_GL_3_3_CONTEXT_API |
| ANGLE_GL_4_0_CONTEXT_API |
| ANGLE_GL_4_1_CONTEXT_API |
| ANGLE_GL_4_2_CONTEXT_API |
| ANGLE_GL_4_3_CONTEXT_API |
| ANGLE_GL_4_4_CONTEXT_API |
| ANGLE_GL_4_5_CONTEXT_API |
| ANGLE_GL_4_6_CONTEXT_API |
| |
| // GLES emulation: Interface to entry points |
| ANGLE_GLES_1_0_CONTEXT_API |
| ANGLE_GLES_2_0_CONTEXT_API |
| ANGLE_GLES_3_0_CONTEXT_API |
| ANGLE_GLES_3_1_CONTEXT_API |
| ANGLE_GLES_3_2_CONTEXT_API |
| ANGLE_GLES_EXT_CONTEXT_API |
| |
| // Consumes an error. |
| void handleError(GLenum errorCode, |
| const char *message, |
| const char *file, |
| const char *function, |
| unsigned int line); |
| |
| void validationError(GLenum errorCode, const char *message) const; |
| |
| void markContextLost(GraphicsResetStatus status); |
| |
| bool isContextLost() const { return mContextLost; } |
| void setContextLost(); |
| |
| GLenum getGraphicsResetStrategy() const { return mResetStrategy; } |
| bool isResetNotificationEnabled(); |
| |
| const egl::Config *getConfig() const; |
| EGLenum getClientType() const; |
| EGLenum getRenderBuffer() const; |
| EGLenum getContextPriority() const; |
| |
| const GLubyte *getString(GLenum name) const; |
| const GLubyte *getStringi(GLenum name, GLuint index) const; |
| |
| size_t getExtensionStringCount() const; |
| |
| bool isExtensionRequestable(const char *name) const; |
| bool isExtensionDisablable(const char *name) const; |
| size_t getRequestableExtensionStringCount() const; |
| void setExtensionEnabled(const char *name, bool enabled); |
| void reinitializeAfterExtensionsChanged(); |
| |
| rx::ContextImpl *getImplementation() const { return mImplementation.get(); } |
| |
| ANGLE_NO_DISCARD bool getScratchBuffer(size_t requestedSizeBytes, |
| angle::MemoryBuffer **scratchBufferOut) const; |
| ANGLE_NO_DISCARD bool getZeroFilledBuffer(size_t requstedSizeBytes, |
| angle::MemoryBuffer **zeroBufferOut) const; |
| angle::ScratchBuffer *getScratchBuffer() const; |
| |
| angle::Result prepareForCopyImage(); |
| angle::Result prepareForDispatch(); |
| |
| MemoryProgramCache *getMemoryProgramCache() const { return mMemoryProgramCache; } |
| |
| bool hasBeenCurrent() const { return mHasBeenCurrent; } |
| egl::Display *getDisplay() const { return mDisplay; } |
| egl::Surface *getCurrentDrawSurface() const { return mCurrentDrawSurface; } |
| egl::Surface *getCurrentReadSurface() const { return mCurrentReadSurface; } |
| |
| bool isRobustResourceInitEnabled() const { return mState.isRobustResourceInitEnabled(); } |
| |
| bool isCurrentTransformFeedback(const TransformFeedback *tf) const; |
| |
| bool isCurrentVertexArray(const VertexArray *va) const |
| { |
| return mState.isCurrentVertexArray(va); |
| } |
| |
| bool isShared() const { return mShared; } |
| // Once a context is setShared() it cannot be undone |
| void setShared() { mShared = true; } |
| |
| const State &getState() const { return mState; } |
| GLint getClientMajorVersion() const { return mState.getClientMajorVersion(); } |
| GLint getClientMinorVersion() const { return mState.getClientMinorVersion(); } |
| const Version &getClientVersion() const { return mState.getClientVersion(); } |
| const Caps &getCaps() const { return mState.getCaps(); } |
| const TextureCapsMap &getTextureCaps() const { return mState.getTextureCaps(); } |
| const Extensions &getExtensions() const { return mState.getExtensions(); } |
| const Limitations &getLimitations() const { return mState.getLimitations(); } |
| bool isGLES1() const; |
| |
| bool skipValidation() const |
| { |
| // Ensure we don't skip validation when context becomes lost, since implementations |
| // generally assume a non-lost context, non-null objects, etc. |
| ASSERT(!isContextLost() || !mSkipValidation); |
| return mSkipValidation; |
| } |
| |
| // Specific methods needed for validation. |
| bool getQueryParameterInfo(GLenum pname, GLenum *type, unsigned int *numParams) const; |
| bool getIndexedQueryParameterInfo(GLenum target, GLenum *type, unsigned int *numParams) const; |
| |
| ANGLE_INLINE Program *getProgramResolveLink(ShaderProgramID handle) const |
| { |
| Program *program = mState.mShaderProgramManager->getProgram(handle); |
| if (program) |
| { |
| program->resolveLink(this); |
| } |
| return program; |
| } |
| |
| Program *getProgramNoResolveLink(ShaderProgramID handle) const; |
| Shader *getShader(ShaderProgramID handle) const; |
| |
| ANGLE_INLINE bool isTextureGenerated(TextureID texture) const |
| { |
| return mState.mTextureManager->isHandleGenerated(texture); |
| } |
| |
| ANGLE_INLINE bool isBufferGenerated(BufferID buffer) const |
| { |
| return mState.mBufferManager->isHandleGenerated(buffer); |
| } |
| |
| bool isRenderbufferGenerated(RenderbufferID renderbuffer) const; |
| bool isFramebufferGenerated(FramebufferID framebuffer) const; |
| bool isProgramPipelineGenerated(ProgramPipelineID pipeline) const; |
| bool isQueryGenerated(QueryID query) const; |
| |
| bool usingDisplayTextureShareGroup() const; |
| |
| // Hack for the special WebGL 1 "DEPTH_STENCIL" internal format. |
| GLenum getConvertedRenderbufferFormat(GLenum internalformat) const; |
| |
| bool isWebGL() const { return mState.isWebGL(); } |
| bool isWebGL1() const { return mState.isWebGL1(); } |
| |
| bool isValidBufferBinding(BufferBinding binding) const { return mValidBufferBindings[binding]; } |
| |
| // GLES1 emulation: Renderer level (for validation) |
| int vertexArrayIndex(ClientVertexArrayType type) const; |
| static int TexCoordArrayIndex(unsigned int unit); |
| |
| // GL_KHR_parallel_shader_compile |
| std::shared_ptr<angle::WorkerThreadPool> getWorkerThreadPool() const { return mThreadPool; } |
| |
| const StateCache &getStateCache() const { return mStateCache; } |
| StateCache &getStateCache() { return mStateCache; } |
| |
| void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override; |
| |
| void onSamplerUniformChange(size_t textureUnitIndex); |
| |
| bool isBufferAccessValidationEnabled() const { return mBufferAccessValidationEnabled; } |
| |
| const angle::FrontendFeatures &getFrontendFeatures() const; |
| |
| angle::FrameCapture *getFrameCapture() { return mFrameCapture.get(); } |
| |
| const VertexArrayMap &getVertexArraysForCapture() const { return mVertexArrayMap; } |
| const QueryMap &getQueriesForCapture() const { return mQueryMap; } |
| const TransformFeedbackMap &getTransformFeedbacksForCapture() const |
| { |
| return mTransformFeedbackMap; |
| } |
| |
| void onPostSwap() const; |
| |
| Program *getActiveLinkedProgram() const; |
| |
| private: |
| void initialize(); |
| |
| bool noopDraw(PrimitiveMode mode, GLsizei count); |
| bool noopDrawInstanced(PrimitiveMode mode, GLsizei count, GLsizei instanceCount); |
| |
| angle::Result prepareForDraw(PrimitiveMode mode); |
| angle::Result prepareForClear(GLbitfield mask); |
| angle::Result prepareForClearBuffer(GLenum buffer, GLint drawbuffer); |
| angle::Result syncState(const State::DirtyBits &bitMask, const State::DirtyObjects &objectMask); |
| angle::Result syncDirtyBits(); |
| angle::Result syncDirtyBits(const State::DirtyBits &bitMask); |
| angle::Result syncDirtyObjects(const State::DirtyObjects &objectMask); |
| angle::Result syncStateForReadPixels(); |
| angle::Result syncStateForTexImage(); |
| angle::Result syncStateForBlit(); |
| |
| VertexArray *checkVertexArrayAllocation(VertexArrayID vertexArrayHandle); |
| TransformFeedback *checkTransformFeedbackAllocation(TransformFeedbackID transformFeedback); |
| |
| angle::Result onProgramLink(Program *programObject); |
| |
| void detachBuffer(Buffer *buffer); |
| void detachTexture(TextureID texture); |
| void detachFramebuffer(FramebufferID framebuffer); |
| void detachRenderbuffer(RenderbufferID renderbuffer); |
| void detachVertexArray(VertexArrayID vertexArray); |
| void detachTransformFeedback(TransformFeedbackID transformFeedback); |
| void detachSampler(SamplerID sampler); |
| void detachProgramPipeline(ProgramPipelineID pipeline); |
| |
| egl::Error setDefaultFramebuffer(egl::Surface *drawSurface, egl::Surface *readSurface); |
| egl::Error unsetDefaultFramebuffer(); |
| |
| void initRendererString(); |
| void initVersionStrings(); |
| void initExtensionStrings(); |
| |
| Extensions generateSupportedExtensions() const; |
| void initCaps(); |
| void updateCaps(); |
| |
| gl::LabeledObject *getLabeledObject(GLenum identifier, GLuint name) const; |
| gl::LabeledObject *getLabeledObjectFromPtr(const void *ptr) const; |
| |
| void setUniform1iImpl(Program *program, |
| UniformLocation location, |
| GLsizei count, |
| const GLint *v); |
| |
| void convertPpoToComputeOrDraw(bool isCompute); |
| |
| State mState; |
| bool mShared; |
| bool mSkipValidation; |
| bool mDisplayTextureShareGroup; |
| |
| // Recorded errors |
| ErrorSet mErrors; |
| |
| // Stores for each buffer binding type whether is it allowed to be used in this context. |
| angle::PackedEnumBitSet<BufferBinding> mValidBufferBindings; |
| |
| std::unique_ptr<rx::ContextImpl> mImplementation; |
| |
| EGLLabelKHR mLabel; |
| |
| // Extensions supported by the implementation plus extensions that are implemented entirely |
| // within the frontend. |
| Extensions mSupportedExtensions; |
| |
| // Shader compiler. Lazily initialized hence the mutable value. |
| mutable BindingPointer<Compiler> mCompiler; |
| |
| const egl::Config *mConfig; |
| |
| TextureMap mZeroTextures; |
| |
| ResourceMap<FenceNV, FenceNVID> mFenceNVMap; |
| HandleAllocator mFenceNVHandleAllocator; |
| |
| QueryMap mQueryMap; |
| HandleAllocator mQueryHandleAllocator; |
| |
| VertexArrayMap mVertexArrayMap; |
| HandleAllocator mVertexArrayHandleAllocator; |
| |
| TransformFeedbackMap mTransformFeedbackMap; |
| HandleAllocator mTransformFeedbackHandleAllocator; |
| |
| const char *mVersionString; |
| const char *mShadingLanguageString; |
| const char *mRendererString; |
| const char *mExtensionString; |
| std::vector<const char *> mExtensionStrings; |
| const char *mRequestableExtensionString; |
| std::vector<const char *> mRequestableExtensionStrings; |
| |
| // GLES1 renderer state |
| std::unique_ptr<GLES1Renderer> mGLES1Renderer; |
| |
| // Current/lost context flags |
| bool mHasBeenCurrent; |
| bool mContextLost; // Set with setContextLost so that we also set mSkipValidation=false. |
| GraphicsResetStatus mResetStatus; |
| bool mContextLostForced; |
| GLenum mResetStrategy; |
| const bool mRobustAccess; |
| const bool mSurfacelessSupported; |
| const bool mExplicitContextAvailable; |
| egl::Surface *mCurrentDrawSurface; |
| egl::Surface *mCurrentReadSurface; |
| egl::Display *mDisplay; |
| const bool mWebGLContext; |
| bool mBufferAccessValidationEnabled; |
| const bool mExtensionsEnabled; |
| MemoryProgramCache *mMemoryProgramCache; |
| |
| State::DirtyObjects mDrawDirtyObjects; |
| |
| StateCache mStateCache; |
| |
| State::DirtyBits mAllDirtyBits; |
| State::DirtyBits mTexImageDirtyBits; |
| State::DirtyObjects mTexImageDirtyObjects; |
| State::DirtyBits mReadPixelsDirtyBits; |
| State::DirtyObjects mReadPixelsDirtyObjects; |
| State::DirtyBits mClearDirtyBits; |
| State::DirtyObjects mClearDirtyObjects; |
| State::DirtyBits mBlitDirtyBits; |
| State::DirtyObjects mBlitDirtyObjects; |
| State::DirtyBits mComputeDirtyBits; |
| State::DirtyObjects mComputeDirtyObjects; |
| State::DirtyBits mCopyImageDirtyBits; |
| State::DirtyObjects mCopyImageDirtyObjects; |
| |
| // Binding to container objects that use dependent state updates. |
| angle::ObserverBinding mVertexArrayObserverBinding; |
| angle::ObserverBinding mDrawFramebufferObserverBinding; |
| angle::ObserverBinding mReadFramebufferObserverBinding; |
| std::vector<angle::ObserverBinding> mUniformBufferObserverBindings; |
| std::vector<angle::ObserverBinding> mSamplerObserverBindings; |
| std::vector<angle::ObserverBinding> mImageObserverBindings; |
| |
| // Not really a property of context state. The size and contexts change per-api-call. |
| mutable Optional<angle::ScratchBuffer> mScratchBuffer; |
| mutable Optional<angle::ScratchBuffer> mZeroFilledBuffer; |
| |
| std::shared_ptr<angle::WorkerThreadPool> mThreadPool; |
| |
| // Note: we use a raw pointer here so we can exclude frame capture sources from the build. |
| std::unique_ptr<angle::FrameCapture> mFrameCapture; |
| |
| OverlayType mOverlay; |
| }; |
| } // namespace gl |
| |
| #endif // LIBANGLE_CONTEXT_H_ |