Update ANGLE to chromium/3280

Change-Id: I0802c0d7486f772d361f87a544d6c5af937f4ca1
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

1 files changed, 164 insertions, 0 deletions

diff --git a/src/3rdparty/angle/src/libANGLE/ContextState.h b/src/3rdparty/angle/src/libANGLE/ContextState.h
new file mode 100644
index 0000000000..e6e9f4c6b0
--- /dev/null
+++ b/src/3rdparty/angle/src/libANGLE/ContextState.h
@@ -0,0 +1,164 @@
+//
+// 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 FramebufferManager;
+class PathManager;
+class ProgramPipelineManager;
+class RenderbufferManager;
+class SamplerManager;
+class ShaderProgramManager;
+class SyncManager;
+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 isWebGL() 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;
+    SyncManager *mSyncs;
+    PathManager *mPaths;
+    FramebufferManager *mFramebuffers;
+    ProgramPipelineManager *mPipelines;
+};
+
+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 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(); }
+
+    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_