ui/gl/gl_surface_android.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_surface.h"
   6
   7 #include <EGL/egl.h>
   8
   9 #include "base/logging.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "ui/gl/android_native_window.h"
  12 #include "ui/gl/egl_util.h"
  13 #include "ui/gl/gl_bindings.h"
  14 #include "ui/gl/gl_context.h"
  15 #include "ui/gl/gl_implementation.h"
  16 #include "ui/gl/gl_surface_egl.h"
  17 #include "ui/gl/gl_surface_stub.h"
  18
  19 using ui::GetLastEGLErrorString;
  20
  21 namespace gfx {
  22
  23 bool GLSurface::InitializeOneOffInternal() {
  24   static bool initialized = false;
  25   if (initialized)
  26     return true;
  27
  28   switch (GetGLImplementation()) {
  29     case kGLImplementationEGLGLES2:
  30       if (!GLSurfaceEGL::InitializeOneOff()) {
  31         LOG(ERROR) << "GLSurfaceEGL::InitializeOneOff failed.";
  32         return false;
  33       }
  34       break;
  35     default:
  36       NOTREACHED();
  37       break;
  38   }
  39
  40   initialized = true;
  41   return true;
  42 }
  43 // static
  44 scoped_refptr<GLSurface>
  45 GLSurface::CreateViewGLSurface(bool software, gfx::AcceleratedWidget window) {
  46   if (software)
  47     return NULL;
  48
  49   switch (GetGLImplementation()) {
  50     case kGLImplementationEGLGLES2: {
  51       scoped_refptr<GLSurface> surface;
  52       if (window)
  53         surface = new NativeViewGLSurfaceEGL(false, window);
  54       else
  55         surface = new GLSurfaceStub();
  56       if (!surface->Initialize())
  57         return NULL;
  58       return surface;
  59     }
  60     default:
  61       NOTREACHED();
  62       return NULL;
  63   }
  64 }
  65
  66 // static
  67 scoped_refptr<GLSurface>
  68 GLSurface::CreateOffscreenGLSurface(bool software, const gfx::Size& size) {
  69   if (software)
  70     return NULL;
  71
  72   switch (GetGLImplementation()) {
  73     case kGLImplementationEGLGLES2: {
  74       scoped_refptr<PbufferGLSurfaceEGL> surface(
  75           new PbufferGLSurfaceEGL(false, size));
  76       if (!surface->Initialize())
  77         return NULL;
  78       return surface;
  79     }
  80     default:
  81       NOTREACHED();
  82       return NULL;
  83   }
  84 }
  85
  86 }  // namespace gfx