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//
// Copyright 2016 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.
//
// ContextImpl:
// Implementation-specific functionality associated with a GL Context.
//
#ifndef LIBANGLE_RENDERER_CONTEXTIMPL_H_
#define LIBANGLE_RENDERER_CONTEXTIMPL_H_
#include <vector>
#include "common/angleutils.h"
#include "libANGLE/ContextState.h"
#include "libANGLE/renderer/GLImplFactory.h"
namespace gl
{
class Path;
}
namespace rx
{
class ContextImpl : public GLImplFactory
{
public:
ContextImpl(const gl::ContextState &state);
virtual ~ContextImpl();
virtual gl::Error initialize() = 0;
// Flush and finish.
virtual gl::Error flush() = 0;
virtual gl::Error finish() = 0;
// Drawing methods.
virtual gl::Error drawArrays(GLenum mode, GLint first, GLsizei count) = 0;
virtual gl::Error drawArraysInstanced(GLenum mode,
GLint first,
GLsizei count,
GLsizei instanceCount) = 0;
virtual gl::Error drawElements(GLenum mode,
GLsizei count,
GLenum type,
const GLvoid *indices,
const gl::IndexRange &indexRange) = 0;
virtual gl::Error drawElementsInstanced(GLenum mode,
GLsizei count,
GLenum type,
const GLvoid *indices,
GLsizei instances,
const gl::IndexRange &indexRange) = 0;
virtual gl::Error drawRangeElements(GLenum mode,
GLuint start,
GLuint end,
GLsizei count,
GLenum type,
const GLvoid *indices,
const gl::IndexRange &indexRange) = 0;
// CHROMIUM_path_rendering path drawing methods.
virtual void stencilFillPath(const gl::Path *path, GLenum fillMode, GLuint mask);
virtual void stencilStrokePath(const gl::Path *path, GLint reference, GLuint mask);
virtual void coverFillPath(const gl::Path *path, GLenum coverMode);
virtual void coverStrokePath(const gl::Path *path, GLenum coverMode);
virtual void stencilThenCoverFillPath(const gl::Path *path,
GLenum fillMode,
GLuint mask,
GLenum coverMode);
virtual void stencilThenCoverStrokePath(const gl::Path *path,
GLint reference,
GLuint mask,
GLenum coverMode);
virtual void coverFillPathInstanced(const std::vector<gl::Path *> &paths,
GLenum coverMode,
GLenum transformType,
const GLfloat *transformValues);
virtual void coverStrokePathInstanced(const std::vector<gl::Path *> &paths,
GLenum coverMode,
GLenum transformType,
const GLfloat *transformValues);
virtual void stencilFillPathInstanced(const std::vector<gl::Path *> &paths,
GLenum fillMode,
GLuint mask,
GLenum transformType,
const GLfloat *transformValues);
virtual void stencilStrokePathInstanced(const std::vector<gl::Path *> &paths,
GLint reference,
GLuint mask,
GLenum transformType,
const GLfloat *transformValues);
virtual void stencilThenCoverFillPathInstanced(const std::vector<gl::Path *> &paths,
GLenum coverMode,
GLenum fillMode,
GLuint mask,
GLenum transformType,
const GLfloat *transformValues);
virtual void stencilThenCoverStrokePathInstanced(const std::vector<gl::Path *> &paths,
GLenum coverMode,
GLint reference,
GLuint mask,
GLenum transformType,
const GLfloat *transformValues);
// Device loss
virtual GLenum getResetStatus() = 0;
// Vendor and description strings.
virtual std::string getVendorString() const = 0;
virtual std::string getRendererDescription() const = 0;
// Debug markers.
virtual void insertEventMarker(GLsizei length, const char *marker) = 0;
virtual void pushGroupMarker(GLsizei length, const char *marker) = 0;
virtual void popGroupMarker() = 0;
// State sync with dirty bits.
virtual void syncState(const gl::State &state, const gl::State::DirtyBits &dirtyBits) = 0;
// Disjoint timer queries
virtual GLint getGPUDisjoint() = 0;
virtual GLint64 getTimestamp() = 0;
// Context switching
virtual void onMakeCurrent(const gl::ContextState &data) = 0;
// Native capabilities, unmodified by gl::Context.
virtual const gl::Caps &getNativeCaps() const = 0;
virtual const gl::TextureCapsMap &getNativeTextureCaps() const = 0;
virtual const gl::Extensions &getNativeExtensions() const = 0;
virtual const gl::Limitations &getNativeLimitations() const = 0;
const gl::ContextState &getContextState() { return mState; }
int getClientMajorVersion() const { return mState.getClientMajorVersion(); }
int getClientMinorVersion() const { return mState.getClientMinorVersion(); }
const gl::State &getGLState() const { return mState.getState(); }
const gl::Caps &getCaps() const { return mState.getCaps(); }
const gl::TextureCapsMap &getTextureCaps() const { return mState.getTextureCaps(); }
const gl::Extensions &getExtensions() const { return mState.getExtensions(); }
const gl::Limitations &getLimitations() const { return mState.getLimitations(); }
protected:
const gl::ContextState &mState;
};
} // namespace rx
#endif // LIBANGLE_RENDERER_CONTEXTIMPL_H_
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