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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrGLContext_DEFINED
#define GrGLContext_DEFINED
#include "gl/GrGLExtensions.h"
#include "gl/GrGLInterface.h"
#include "GrGLCaps.h"
#include "GrGLUtil.h"
struct GrContextOptions;
/**
* Encapsulates information about an OpenGL context including the OpenGL
* version, the GrGLStandard type of the context, and GLSL version.
*/
class GrGLContextInfo : public SkRefCnt {
public:
GrGLStandard standard() const { return fInterface->fStandard; }
GrGLVersion version() const { return fGLVersion; }
GrGLSLGeneration glslGeneration() const { return fGLSLGeneration; }
GrGLVendor vendor() const { return fVendor; }
GrGLRenderer renderer() const { return fRenderer; }
/** What driver is running our GL implementation? This is not necessarily related to the vendor.
(e.g. Intel GPU being driven by Mesa) */
GrGLDriver driver() const { return fDriver; }
GrGLDriverVersion driverVersion() const { return fDriverVersion; }
const GrGLCaps* caps() const { return fGLCaps.get(); }
GrGLCaps* caps() { return fGLCaps; }
bool hasExtension(const char* ext) const {
return fInterface->hasExtension(ext);
}
const GrGLExtensions& extensions() const { return fInterface->fExtensions; }
protected:
struct ConstructorArgs {
const GrGLInterface* fInterface;
GrGLVersion fGLVersion;
GrGLSLGeneration fGLSLGeneration;
GrGLVendor fVendor;
GrGLRenderer fRenderer;
GrGLDriver fDriver;
GrGLDriverVersion fDriverVersion;
const GrContextOptions* fContextOptions;
};
GrGLContextInfo(const ConstructorArgs& args);
SkAutoTUnref<const GrGLInterface> fInterface;
GrGLVersion fGLVersion;
GrGLSLGeneration fGLSLGeneration;
GrGLVendor fVendor;
GrGLRenderer fRenderer;
GrGLDriver fDriver;
GrGLDriverVersion fDriverVersion;
SkAutoTUnref<GrGLCaps> fGLCaps;
};
/**
* Extension of GrGLContextInfo that also provides access to GrGLInterface.
*/
class GrGLContext : public GrGLContextInfo {
public:
/**
* Creates a GrGLContext from a GrGLInterface and the currently
* bound OpenGL context accessible by the GrGLInterface.
*/
static GrGLContext* Create(const GrGLInterface* interface, const GrContextOptions& options);
const GrGLInterface* interface() const { return fInterface; }
private:
GrGLContext(const ConstructorArgs& args) : INHERITED(args) {}
typedef GrGLContextInfo INHERITED;
};
#endif
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