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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.
#include "ui/gl/gl_surface.h"
#include "base/debug/trace_event.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "third_party/mesa/MesaLib/include/GL/osmesa.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_implementation.h"
#include "ui/gl/gl_surface_cgl.h"
#include "ui/gl/gl_surface_osmesa.h"
#include "ui/gl/gl_surface_stub.h"
#if defined(USE_AURA)
#include "ui/gl/gl_surface_nsview.h"
#endif
namespace gfx {
bool GLSurface::InitializeOneOffInternal() {
switch (GetGLImplementation()) {
case kGLImplementationDesktopGL:
case kGLImplementationAppleGL:
if (!GLSurfaceCGL::InitializeOneOff()) {
LOG(ERROR) << "GLSurfaceCGL::InitializeOneOff failed.";
return false;
}
break;
default:
break;
}
return true;
}
scoped_refptr<GLSurface> GLSurface::CreateViewGLSurface(
bool software,
gfx::AcceleratedWidget window) {
TRACE_EVENT0("gpu", "GLSurface::CreateViewGLSurface");
#if defined(USE_AURA)
if (software)
return NULL;
switch (GetGLImplementation()) {
case kGLImplementationDesktopGL:
case kGLImplementationAppleGL: {
scoped_refptr<GLSurface> surface(new GLSurfaceNSView(window));
if (!surface->Initialize())
return NULL;
return surface;
}
case kGLImplementationMockGL:
return new GLSurfaceStub;
default:
NOTREACHED();
return NULL;
}
#else
return CreateOffscreenGLSurface(software, gfx::Size(1,1));
#endif
}
scoped_refptr<GLSurface> GLSurface::CreateOffscreenGLSurface(
bool software,
const gfx::Size& size) {
TRACE_EVENT0("gpu", "GLSurface::CreateOffscreenGLSurface");
if (software)
return NULL;
switch (GetGLImplementation()) {
case kGLImplementationOSMesaGL: {
scoped_refptr<GLSurface> surface(new GLSurfaceOSMesa(OSMESA_RGBA,
size));
if (!surface->Initialize())
return NULL;
return surface;
}
case kGLImplementationDesktopGL:
case kGLImplementationAppleGL: {
scoped_refptr<GLSurface> surface(new NoOpGLSurfaceCGL(size));
if (!surface->Initialize())
return NULL;
return surface;
}
case kGLImplementationMockGL:
return new GLSurfaceStub;
default:
NOTREACHED();
return NULL;
}
}
} // namespace gfx
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