ui/gl/gl_image_win.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/gl/gl_image.h"
   6
   7 #include "base/debug/trace_event.h"
   8 #include "ui/gl/gl_image_shm.h"
   9 #include "ui/gl/gl_image_stub.h"
  10 #include "ui/gl/gl_implementation.h"
  11
  12 namespace gfx {
  13
  14 scoped_refptr<GLImage> GLImage::CreateGLImage(gfx::PluginWindowHandle window) {
  15   TRACE_EVENT0("gpu", "GLImage::CreateGLImage");
  16   switch (GetGLImplementation()) {
  17     case kGLImplementationOSMesaGL:
  18     case kGLImplementationDesktopGL:
  19     case kGLImplementationEGLGLES2:
  20       return NULL;
  21     case kGLImplementationMockGL:
  22       return new GLImageStub;
  23     default:
  24       NOTREACHED();
  25       return NULL;
  26   }
  27 }
  28
  29 scoped_refptr<GLImage> GLImage::CreateGLImageForGpuMemoryBuffer(
  30     gfx::GpuMemoryBufferHandle buffer,
  31     gfx::Size size,
  32     unsigned internalformat) {
  33   TRACE_EVENT0("gpu", "GLImage::CreateGLImageForGpuMemoryBuffer");
  34   switch (GetGLImplementation()) {
  35     case kGLImplementationOSMesaGL:
  36     case kGLImplementationDesktopGL:
  37     case kGLImplementationEGLGLES2:
  38       switch (buffer.type) {
  39         case SHARED_MEMORY_BUFFER: {
  40           scoped_refptr<GLImageShm> image(
  41               new GLImageShm(size, internalformat));
  42           if (!image->Initialize(buffer))
  43             return NULL;
  44
  45           return image;
  46         }
  47         default:
  48           NOTREACHED();
  49           return NULL;
  50       }
  51     case kGLImplementationMockGL:
  52       return new GLImageStub;
  53     default:
  54       NOTREACHED();
  55       return NULL;
  56   }
  57 }
  58
  59 }  // namespace gfx