webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 122 insertions, 0 deletions

diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/ContextState.h b/Source/ThirdParty/ANGLE/src/libANGLE/ContextState.h
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index 000000000..24f6ce9c3
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+++ b/Source/ThirdParty/ANGLE/src/libANGLE/ContextState.h
@@ -0,0 +1,122 @@
+//
+// 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/angleutils.h"
+#include "libANGLE/State.h"
+
+namespace gl
+{
+class ValidationContext;
+class ContextState;
+
+class GLVersion final : angle::NonCopyable
+{
+  public:
+    GLVersion(GLint clientMajorVersion, GLint clientMinorVersion)
+        : mClientMajorVersion(clientMajorVersion), mClientMinorVersion(clientMinorVersion)
+    {
+    }
+
+    GLint getClientMajorVersion() const { return mClientMajorVersion; }
+    GLint getClientMinorVersion() const { return mClientMinorVersion; }
+
+    bool isES2() const { return mClientMajorVersion == 2; }
+    bool isES3() const { return mClientMajorVersion == 3 && mClientMinorVersion == 0; }
+    bool isES31() const { return mClientMajorVersion == 3 && mClientMinorVersion == 1; }
+    bool isES3OrGreater() const { return mClientMajorVersion >= 3; }
+
+  private:
+    GLint mClientMajorVersion;
+    GLint mClientMinorVersion;
+};
+
+class ContextState final : public angle::NonCopyable
+{
+  public:
+    ContextState(uintptr_t context,
+                 GLint clientMajorVersion,
+                 GLint clientMinorVersion,
+                 State *state,
+                 const Caps &caps,
+                 const TextureCapsMap &textureCaps,
+                 const Extensions &extensions,
+                 const ResourceManager *resourceManager,
+                 const Limitations &limitations);
+    ~ContextState();
+
+    uintptr_t getContext() const { return mContext; }
+    GLint getClientMajorVersion() const { return mGLVersion.getClientMajorVersion(); }
+    GLint getClientMinorVersion() const { return mGLVersion.getClientMinorVersion(); }
+    const GLVersion &getGLVersion() const { return mGLVersion; }
+    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 ResourceManager &getResourceManager() const { return *mResourceManager; }
+    const Limitations &getLimitations() const { return mLimitations; }
+
+    const TextureCaps &getTextureCap(GLenum internalFormat) const;
+
+  private:
+    friend class Context;
+    friend class ValidationContext;
+
+    GLVersion mGLVersion;
+    uintptr_t mContext;
+    State *mState;
+    const Caps &mCaps;
+    const TextureCapsMap &mTextureCaps;
+    const Extensions &mExtensions;
+    const ResourceManager *mResourceManager;
+    const Limitations &mLimitations;
+};
+
+class ValidationContext : angle::NonCopyable
+{
+  public:
+    ValidationContext(GLint clientMajorVersion,
+                      GLint clientMinorVersion,
+                      State *state,
+                      const Caps &caps,
+                      const TextureCapsMap &textureCaps,
+                      const Extensions &extensions,
+                      const ResourceManager *resourceManager,
+                      const Limitations &limitations,
+                      bool skipValidation);
+    virtual ~ValidationContext() {}
+
+    virtual void handleError(const Error &error) = 0;
+
+    const ContextState &getContextState() const { return mState; }
+    int getClientMajorVersion() const { return mState.getClientMajorVersion(); }
+    int getClientMinorVersion() const { return mState.getClientMinorVersion(); }
+    const GLVersion &getGLVersion() const { return mState.mGLVersion; }
+    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;
+
+  protected:
+    ContextState mState;
+    bool mSkipValidation;
+};
+}  // namespace gl
+
+#endif  // LIBANGLE_CONTEXTSTATE_H_