Context.h

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Author : Stuart Morgan
Date : 2019-08-14 12:25:12
Hash : 9d737966
Message : Standardize copyright notices to project style For all "ANGLE Project" copyrights, standardize to the format specified by the style guide. Changes: - "Copyright (c)" and "Copyright(c)" changed to just "Copyright". - Removed the second half of date ranges ("Y1Y1-Y2Y2"->"Y1Y1"). - Fixed a small number of files that had no copyright date using the initial commit year from the version control history. - Fixed one instance of copyright being "The ANGLE Project" rather than "The ANGLE Project Authors" These changes are applied both to the copyright of source file, and where applicable to copyright statements that are generated by templates. BUG=angleproject:3811 Change-Id: I973dd65e4ef9deeba232d5be74c768256a0eb2e5 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1754397 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>
src/libANGLE/Context.h
//
// 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_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,
};

// 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.
    bool hasBasicDrawStatesError(Context *context) const
    {
        if (mCachedBasicDrawStatesError == 0)
        {
            return false;
        }
        if (mCachedBasicDrawStatesError != kInvalidPointer)
        {
            return true;
        }
        return getBasicDrawStatesErrorImpl(context) != 0;
    }

    intptr_t getBasicDrawStatesError(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(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;
    }

    // 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);

  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 setValidDrawModes(bool pointsOK, bool linesOK, bool trisOK, bool lineAdjOK, bool triAdjOK);

    intptr_t getBasicDrawStatesErrorImpl(Context *context) const;
    intptr_t getBasicDrawElementsErrorImpl(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;
};

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);

    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 *surface);
    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();
    GLuint createProgramPipeline();
    GLuint createMemoryObject();
    GLuint createSemaphore();

    void deleteBuffer(BufferID buffer);
    void deleteTexture(TextureID texture);
    void deleteRenderbuffer(RenderbufferID renderbuffer);
    void deleteProgramPipeline(GLuint pipeline);
    void deleteMemoryObject(GLuint memoryObject);
    void deleteSemaphore(GLuint semaphore);

    // CHROMIUM_path_rendering
    bool isPathGenerated(GLuint path) const;

    void bindReadFramebuffer(GLuint framebufferHandle);
    void bindDrawFramebuffer(GLuint framebufferHandle);

    Buffer *getBuffer(BufferID handle) const;
    FenceNV *getFenceNV(GLuint handle);
    Sync *getSync(GLsync handle) const;
    ANGLE_INLINE Texture *getTexture(TextureID handle) const
    {
        return mState.mTextureManager->getTexture(handle);
    }

    Framebuffer *getFramebuffer(GLuint handle) const;
    Renderbuffer *getRenderbuffer(RenderbufferID handle) const;
    VertexArray *getVertexArray(GLuint handle) const;
    Sampler *getSampler(GLuint handle) const;
    Query *getQuery(GLuint handle, bool create, QueryType type);
    Query *getQuery(GLuint handle) const;
    TransformFeedback *getTransformFeedback(GLuint handle) const;
    ProgramPipeline *getProgramPipeline(GLuint handle) const;
    MemoryObject *getMemoryObject(GLuint handle) const;
    Semaphore *getSemaphore(GLuint 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(GLuint vertexArray);
    bool isTransformFeedbackGenerated(GLuint vertexArray);

    void getBooleanvImpl(GLenum pname, GLboolean *params);
    void getFloatvImpl(GLenum pname, GLfloat *params);
    void getIntegervImpl(GLenum pname, GLint *params);
    void getInteger64vImpl(GLenum pname, GLint64 *params);
    void getPointerv(GLenum pname, void **params) const;

    // Framebuffers are owned by the Context, so these methods do not pass through
    GLuint createFramebuffer();
    void deleteFramebuffer(GLuint framebuffer);

    bool hasActiveTransformFeedback(GLuint 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_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);

    void markContextLost(GraphicsResetStatus status);

    bool isContextLost() const { return mContextLost; }

    GLenum getGraphicsResetStrategy() const { return mResetStrategy; }
    bool isResetNotificationEnabled();

    const egl::Config *getConfig() const;
    EGLenum getClientType() const;
    EGLenum getRenderBuffer() const;

    const GLubyte *getString(GLenum name) const;
    const GLubyte *getStringi(GLenum name, GLuint index) const;

    size_t getExtensionStringCount() const;

    bool isExtensionRequestable(const char *name);
    size_t getRequestableExtensionStringCount() const;

    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 { return &mScratchBuffer; }

    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 mCurrentSurface; }
    egl::Surface *getCurrentReadSurface() const { return mCurrentSurface; }

    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 skipValidation() const { return mSkipValidation; }
    bool isGLES1() const;

    // 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(GLuint handle) const
    {
        Program *program = mState.mShaderProgramManager->getProgram(handle);
        if (program)
        {
            program->resolveLink(this);
        }
        return program;
    }

    Program *getProgramNoResolveLink(GLuint handle) const;
    Shader *getShader(GLuint 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(GLuint framebuffer) const;
    bool isProgramPipelineGenerated(GLuint pipeline) 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(); }

    void onPostSwap() 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();
    angle::Result syncStateForPathOperation();

    VertexArray *checkVertexArrayAllocation(GLuint vertexArrayHandle);
    TransformFeedback *checkTransformFeedbackAllocation(GLuint transformFeedback);

    angle::Result onProgramLink(Program *programObject);

    void detachBuffer(Buffer *buffer);
    void detachTexture(TextureID texture);
    void detachFramebuffer(GLuint framebuffer);
    void detachRenderbuffer(RenderbufferID renderbuffer);
    void detachVertexArray(GLuint vertexArray);
    void detachTransformFeedback(GLuint transformFeedback);
    void detachSampler(GLuint sampler);
    void detachProgramPipeline(GLuint pipeline);

    // A small helper method to facilitate using the ANGLE_CONTEXT_TRY macro.
    void tryGenPaths(GLsizei range, GLuint *createdOut);

    egl::Error setDefaultFramebuffer(egl::Surface *surface);
    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, GLint location, GLsizei count, const GLint *v);

    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> mFenceNVMap;
    HandleAllocator mFenceNVHandleAllocator;

    ResourceMap<Query> mQueryMap;
    HandleAllocator mQueryHandleAllocator;

    ResourceMap<VertexArray> mVertexArrayMap;
    HandleAllocator mVertexArrayHandleAllocator;

    ResourceMap<TransformFeedback> 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;
    GraphicsResetStatus mResetStatus;
    bool mContextLostForced;
    GLenum mResetStrategy;
    const bool mRobustAccess;
    const bool mSurfacelessSupported;
    const bool mExplicitContextAvailable;
    egl::Surface *mCurrentSurface;
    egl::Display *mDisplay;
    const bool mWebGLContext;
    bool mBufferAccessValidationEnabled;
    const bool mExtensionsEnabled;
    MemoryProgramCache *mMemoryProgramCache;

    State::DirtyObjects mDrawDirtyObjects;
    State::DirtyObjects mPathOperationDirtyObjects;

    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;

    // Not really a property of context state. The size and contexts change per-api-call.
    mutable angle::ScratchBuffer mScratchBuffer;
    mutable 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;
};

}  // namespace gl

#endif  // LIBANGLE_CONTEXT_H_
kc3-lang/angle/src/libANGLE/Context.h

Commit

kc3-lang/angle /src/libANGLE/Context.h
