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//
// 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);
protected:
ContextState mState;
bool mSkipValidation;
};
} // namespace gl
#endif // LIBANGLE_CONTEXTSTATE_H_
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