ui/gl/gl_image_x11.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_glx.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       return NULL;
  20     case kGLImplementationDesktopGL: {
  21       scoped_refptr<GLImageGLX> image(new GLImageGLX(window));
  22       if (!image->Initialize())
  23         return NULL;
  24
  25       return image;
  26     }
  27     case kGLImplementationEGLGLES2:
  28       return NULL;
  29     case kGLImplementationMockGL:
  30       return new GLImageStub;
  31     default:
  32       NOTREACHED();
  33       return NULL;
  34   }
  35 }
  36
  37 scoped_refptr<GLImage> GLImage::CreateGLImageForGpuMemoryBuffer(
  38     gfx::GpuMemoryBufferHandle buffer,
  39     gfx::Size size,
  40     unsigned internalformat) {
  41   TRACE_EVENT0("gpu", "GLImage::CreateGLImageForGpuMemoryBuffer");
  42   switch (GetGLImplementation()) {
  43     case kGLImplementationOSMesaGL:
  44     case kGLImplementationDesktopGL:
  45     case kGLImplementationEGLGLES2:
  46       switch (buffer.type) {
  47         case SHARED_MEMORY_BUFFER: {
  48           scoped_refptr<GLImageShm> image(
  49               new GLImageShm(size, internalformat));
  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