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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GL_GL_SURFACE_GLX_H_
#define UI_GL_GL_SURFACE_GLX_H_
#include <string>
#include "base/compiler_specific.h"
#include "ui/base/x/x11_util.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/size.h"
#include "ui/gl/gl_export.h"
#include "ui/gl/gl_surface.h"
#include "ui/gl/vsync_provider.h"
namespace gfx {
// Base class for GLX surfaces.
class GL_EXPORT GLSurfaceGLX : public GLSurface {
public:
GLSurfaceGLX();
static bool InitializeOneOff();
// These aren't particularly tied to surfaces, but since we already
// have the static InitializeOneOff here, it's easiest to reuse its
// initialization guards.
static const char* GetGLXExtensions();
static bool HasGLXExtension(const char* name);
static bool IsCreateContextSupported();
static bool IsCreateContextRobustnessSupported();
static bool IsTextureFromPixmapSupported();
static bool IsOMLSyncControlSupported();
virtual void* GetDisplay() OVERRIDE;
// Get the FB config that the surface was created with or NULL if it is not
// a GLX drawable.
virtual void* GetConfig() = 0;
protected:
virtual ~GLSurfaceGLX();
private:
DISALLOW_COPY_AND_ASSIGN(GLSurfaceGLX);
};
// A surface used to render to a view.
class GL_EXPORT NativeViewGLSurfaceGLX : public GLSurfaceGLX {
public:
explicit NativeViewGLSurfaceGLX(gfx::AcceleratedWidget window);
// Implement GLSurfaceGLX.
virtual bool Initialize() OVERRIDE;
virtual void Destroy() OVERRIDE;
virtual bool Resize(const gfx::Size& size) OVERRIDE;
virtual bool IsOffscreen() OVERRIDE;
virtual bool SwapBuffers() OVERRIDE;
virtual gfx::Size GetSize() OVERRIDE;
virtual void* GetHandle() OVERRIDE;
virtual std::string GetExtensions() OVERRIDE;
virtual void* GetConfig() OVERRIDE;
virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE;
virtual VSyncProvider* GetVSyncProvider() OVERRIDE;
protected:
NativeViewGLSurfaceGLX();
virtual ~NativeViewGLSurfaceGLX();
gfx::AcceleratedWidget window_;
private:
void* config_;
gfx::Size size_;
scoped_ptr<VSyncProvider> vsync_provider_;
DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceGLX);
};
// A surface used to render to an offscreen pbuffer.
class GL_EXPORT PbufferGLSurfaceGLX : public GLSurfaceGLX {
public:
explicit PbufferGLSurfaceGLX(const gfx::Size& size);
// Implement GLSurfaceGLX.
virtual bool Initialize() OVERRIDE;
virtual void Destroy() OVERRIDE;
virtual bool IsOffscreen() OVERRIDE;
virtual bool SwapBuffers() OVERRIDE;
virtual gfx::Size GetSize() OVERRIDE;
virtual void* GetHandle() OVERRIDE;
virtual void* GetConfig() OVERRIDE;
protected:
virtual ~PbufferGLSurfaceGLX();
private:
gfx::Size size_;
void* config_;
XID pbuffer_;
DISALLOW_COPY_AND_ASSIGN(PbufferGLSurfaceGLX);
};
} // namespace gfx
#endif // UI_GL_GL_SURFACE_GLX_H_
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