| // |
| // Copyright (c) 2014 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. |
| // |
| |
| // ContextState: Container class for all GL context state, caps and objects. |
| |
| #ifndef LIBANGLE_CONTEXTSTATE_H_ |
| #define LIBANGLE_CONTEXTSTATE_H_ |
| |
| #include "common/MemoryBuffer.h" |
| #include "common/angleutils.h" |
| #include "libANGLE/State.h" |
| #include "libANGLE/Version.h" |
| #include "libANGLE/params.h" |
| |
| namespace gl |
| { |
| class BufferManager; |
| class ContextState; |
| class FenceSyncManager; |
| class FramebufferManager; |
| class PathManager; |
| class RenderbufferManager; |
| class SamplerManager; |
| class ShaderProgramManager; |
| class TextureManager; |
| class ValidationContext; |
| |
| static constexpr Version ES_2_0 = Version(2, 0); |
| static constexpr Version ES_3_0 = Version(3, 0); |
| static constexpr Version ES_3_1 = Version(3, 1); |
| |
| using ContextID = uintptr_t; |
| |
| class ContextState final : angle::NonCopyable |
| { |
| public: |
| ContextState(ContextID context, |
| const ContextState *shareContextState, |
| TextureManager *shareTextures, |
| const Version &clientVersion, |
| State *state, |
| const Caps &caps, |
| const TextureCapsMap &textureCaps, |
| const Extensions &extensions, |
| const Limitations &limitations); |
| ~ContextState(); |
| |
| ContextID getContextID() const { return mContext; } |
| GLint getClientMajorVersion() const { return mClientVersion.major; } |
| GLint getClientMinorVersion() const { return mClientVersion.minor; } |
| const Version &getClientVersion() const { return mClientVersion; } |
| const State &getState() const { return *mState; } |
| const Caps &getCaps() const { return mCaps; } |
| const TextureCapsMap &getTextureCaps() const { return mTextureCaps; } |
| const Extensions &getExtensions() const { return mExtensions; } |
| const Limitations &getLimitations() const { return mLimitations; } |
| |
| const TextureCaps &getTextureCap(GLenum internalFormat) const; |
| |
| bool usingDisplayTextureShareGroup() const; |
| |
| bool isWebGL1() const; |
| |
| private: |
| friend class Context; |
| friend class ValidationContext; |
| |
| Version mClientVersion; |
| ContextID mContext; |
| State *mState; |
| const Caps &mCaps; |
| const TextureCapsMap &mTextureCaps; |
| const Extensions &mExtensions; |
| const Limitations &mLimitations; |
| |
| BufferManager *mBuffers; |
| ShaderProgramManager *mShaderPrograms; |
| TextureManager *mTextures; |
| RenderbufferManager *mRenderbuffers; |
| SamplerManager *mSamplers; |
| FenceSyncManager *mFenceSyncs; |
| PathManager *mPaths; |
| FramebufferManager *mFramebuffers; |
| }; |
| |
| class ValidationContext : angle::NonCopyable |
| { |
| public: |
| ValidationContext(const ValidationContext *shareContext, |
| TextureManager *shareTextures, |
| const Version &clientVersion, |
| State *state, |
| const Caps &caps, |
| const TextureCapsMap &textureCaps, |
| const Extensions &extensions, |
| const Limitations &limitations, |
| bool skipValidation); |
| virtual ~ValidationContext() {} |
| |
| virtual void handleError(const Error &error) = 0; |
| |
| const ContextState &getContextState() const { return mState; } |
| GLint getClientMajorVersion() const { return mState.getClientMajorVersion(); } |
| GLint getClientMinorVersion() const { return mState.getClientMinorVersion(); } |
| const Version &getClientVersion() const { return mState.getClientVersion(); } |
| const State &getGLState() const { return mState.getState(); } |
| 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; } |
| |
| // Specific methods needed for validation. |
| bool getQueryParameterInfo(GLenum pname, GLenum *type, unsigned int *numParams); |
| bool getIndexedQueryParameterInfo(GLenum target, GLenum *type, unsigned int *numParams); |
| |
| Program *getProgram(GLuint handle) const; |
| Shader *getShader(GLuint handle) const; |
| |
| bool isTextureGenerated(GLuint texture) const; |
| bool isBufferGenerated(GLuint buffer) const; |
| bool isRenderbufferGenerated(GLuint renderbuffer) const; |
| bool isFramebufferGenerated(GLuint framebuffer) const; |
| |
| bool usingDisplayTextureShareGroup() const; |
| |
| // Hack for the special WebGL 1 "DEPTH_STENCIL" internal format. |
| GLenum getConvertedRenderbufferFormat(GLenum internalformat) const; |
| |
| bool isWebGL1() const { return mState.isWebGL1(); } |
| |
| template <typename T> |
| const T &getParams() const; |
| |
| protected: |
| ContextState mState; |
| bool mSkipValidation; |
| bool mDisplayTextureShareGroup; |
| |
| // Caches entry point parameters and values re-used between layers. |
| mutable const ParamTypeInfo *mSavedArgsType; |
| static constexpr size_t kParamsBufferSize = 64u; |
| mutable std::array<uint8_t, kParamsBufferSize> mParamsBuffer; |
| }; |
| |
| template <typename T> |
| const T &ValidationContext::getParams() const |
| { |
| const T *params = reinterpret_cast<T *>(mParamsBuffer.data()); |
| ASSERT(mSavedArgsType->hasDynamicType(T::TypeInfo)); |
| return *params; |
| } |
| |
| } // namespace gl |
| |
| #endif // LIBANGLE_CONTEXTSTATE_H_ |