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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkNativeGLContext_DEFINED
#define SkNativeGLContext_DEFINED
#include "SkGLContextHelper.h"
/* This struct is taken from a mesa demo. Please update as required */
static const struct { int major, minor; } gl_versions[] = {
{1, 0},
{1, 1},
{1, 2},
{1, 3},
{1, 4},
{1, 5},
{2, 0},
{2, 1},
{3, 0},
{3, 1},
{3, 2},
{3, 3},
{4, 0},
{4, 1},
{4, 2},
{4, 3},
{4, 4},
{0, 0} /* end of list */
};
#define NUM_GL_VERSIONS SK_ARRAY_COUNT(gl_versions)
#if defined(SK_BUILD_FOR_MAC)
#include <OpenGL/OpenGL.h>
#elif SK_EGL
#include <GLES2/gl2.h>
#include <EGL/egl.h>
#elif defined(SK_BUILD_FOR_UNIX)
#include <X11/Xlib.h>
#include <GL/glx.h>
#elif defined(SK_BUILD_FOR_WIN32)
#include <windows.h>
#include <GL/GL.h>
#include "SkWGL.h"
#endif
class SkNativeGLContext : public SkGLContextHelper {
public:
SkNativeGLContext();
virtual ~SkNativeGLContext();
virtual void makeCurrent() const SK_OVERRIDE;
virtual void swapBuffers() const SK_OVERRIDE;
class AutoContextRestore {
public:
AutoContextRestore();
~AutoContextRestore();
private:
#if defined(SK_BUILD_FOR_MAC)
CGLContextObj fOldCGLContext;
#elif SK_EGL
EGLContext fOldEGLContext;
EGLDisplay fOldDisplay;
EGLSurface fOldSurface;
#elif defined(SK_BUILD_FOR_UNIX)
GLXContext fOldGLXContext;
Display* fOldDisplay;
GLXDrawable fOldDrawable;
#elif defined(SK_BUILD_FOR_WIN32)
HDC fOldHDC;
HGLRC fOldHGLRC;
#elif defined(SK_BUILD_FOR_IOS)
void* fEAGLContext;
#endif
};
protected:
virtual const GrGLInterface* createGLContext(GrGLStandard forcedGpuAPI) SK_OVERRIDE;
virtual void destroyGLContext() SK_OVERRIDE;
private:
#if defined(SK_BUILD_FOR_MAC)
CGLContextObj fContext;
#elif SK_EGL
EGLContext fContext;
EGLDisplay fDisplay;
EGLSurface fSurface;
#elif defined(SK_BUILD_FOR_UNIX)
GLXContext fContext;
Display* fDisplay;
Pixmap fPixmap;
GLXPixmap fGlxPixmap;
#elif defined(SK_BUILD_FOR_WIN32)
HWND fWindow;
HDC fDeviceContext;
HGLRC fGlRenderContext;
static ATOM gWC;
SkWGLPbufferContext* fPbufferContext;
#elif defined(SK_BUILD_FOR_IOS)
void* fEAGLContext;
#endif
};
#endif
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