ui/gl/gl_image_mac.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_io_surface.h"
   9 #include "ui/gl/gl_image_shm.h"
  10 #include "ui/gl/gl_image_stub.h"
  11 #include "ui/gl/gl_implementation.h"
  12
  13 namespace gfx {
  14
  15 scoped_refptr<GLImage> GLImage::CreateGLImage(gfx::PluginWindowHandle window) {
  16   TRACE_EVENT0("gpu", "GLImage::CreateGLImage");
  17   switch (GetGLImplementation()) {
  18     case kGLImplementationOSMesaGL:
  19     case kGLImplementationDesktopGL:
  20     case kGLImplementationAppleGL:
  21       return NULL;
  22     case kGLImplementationMockGL:
  23       return new GLImageStub;
  24     default:
  25       NOTREACHED();
  26       return NULL;
  27   }
  28 }
  29
  30 scoped_refptr<GLImage> GLImage::CreateGLImageForGpuMemoryBuffer(
  31     gfx::GpuMemoryBufferHandle buffer,
  32     gfx::Size size,
  33     unsigned internalformat) {
  34   TRACE_EVENT0("gpu", "GLImage::CreateGLImageForGpuMemoryBuffer");
  35   switch (GetGLImplementation()) {
  36     case kGLImplementationOSMesaGL:
  37     case kGLImplementationDesktopGL:
  38     case kGLImplementationAppleGL:
  39       switch (buffer.type) {
  40         case SHARED_MEMORY_BUFFER: {
  41           scoped_refptr<GLImageShm> image(
  42               new GLImageShm(size, internalformat));
  43           if (!image->Initialize(buffer))
  44             return NULL;
  45
  46           return image;
  47         }
  48         case IO_SURFACE_BUFFER: {
  49           scoped_refptr<GLImageIOSurface> image(new GLImageIOSurface(size));
  50           if (!image->Initialize(buffer))
  51             return NULL;
  52
  53           return image;
  54         }
  55         default:
  56           NOTREACHED();
  57           return NULL;
  58       }
  59     case kGLImplementationMockGL:
  60       return new GLImageStub;
  61     default:
  62       NOTREACHED();
  63       return NULL;
  64   }
  65 }
  66
  67 }  // namespace gfx