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      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_egl.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 kGLImplementationEGLGLES2:
     19       return NULL;
     20     case kGLImplementationMockGL:
     21       return new GLImageStub;
     22     default:
     23       NOTREACHED();
     24       return NULL;
     25   }
     26 }
     27 
     28 scoped_refptr<GLImage> GLImage::CreateGLImageForGpuMemoryBuffer(
     29     gfx::GpuMemoryBufferHandle buffer,
     30     gfx::Size size,
     31     unsigned internalformat) {
     32   TRACE_EVENT0("gpu", "GLImage::CreateGLImageForGpuMemoryBuffer");
     33   switch (GetGLImplementation()) {
     34     case kGLImplementationEGLGLES2:
     35       switch (buffer.type) {
     36         case SHARED_MEMORY_BUFFER: {
     37           scoped_refptr<GLImageShm> image(
     38               new GLImageShm(size, internalformat));
     39           if (!image->Initialize(buffer))
     40             return NULL;
     41 
     42           return image;
     43         }
     44         case EGL_CLIENT_BUFFER: {
     45           scoped_refptr<GLImageEGL> image(new GLImageEGL(size));
     46           if (!image->Initialize(buffer))
     47             return NULL;
     48 
     49           return image;
     50         }
     51         default:
     52           NOTREACHED();
     53           return NULL;
     54       }
     55     case kGLImplementationMockGL:
     56       return new GLImageStub;
     57     default:
     58       NOTREACHED();
     59       return NULL;
     60   }
     61 }
     62 
     63 }  // namespace gfx
     64