ui/gl/gl_image_egl.cc

   1 // Copyright (c) 2013 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_egl.h"
   6
   7 #include "ui/gl/gl_surface_egl.h"
   8
   9 namespace gfx {
  10
  11 GLImageEGL::GLImageEGL(const gfx::Size& size)
  12     : egl_image_(EGL_NO_IMAGE_KHR), size_(size) {
  13 }
  14
  15 GLImageEGL::~GLImageEGL() {
  16   DCHECK_EQ(EGL_NO_IMAGE_KHR, egl_image_);
  17 }
  18
  19 bool GLImageEGL::Initialize(EGLenum target,
  20                             EGLClientBuffer buffer,
  21                             const EGLint* attrs) {
  22   DCHECK_EQ(EGL_NO_IMAGE_KHR, egl_image_);
  23   egl_image_ = eglCreateImageKHR(GLSurfaceEGL::GetHardwareDisplay(),
  24                                  EGL_NO_CONTEXT,
  25                                  target,
  26                                  buffer,
  27                                  attrs);
  28   if (egl_image_ == EGL_NO_IMAGE_KHR) {
  29     EGLint error = eglGetError();
  30     LOG(ERROR) << "Error creating EGLImage: " << error;
  31     return false;
  32   }
  33
  34   return true;
  35 }
  36
  37 void GLImageEGL::Destroy(bool have_context) {
  38   if (egl_image_ != EGL_NO_IMAGE_KHR) {
  39     eglDestroyImageKHR(GLSurfaceEGL::GetHardwareDisplay(), egl_image_);
  40     egl_image_ = EGL_NO_IMAGE_KHR;
  41   }
  42 }
  43
  44 gfx::Size GLImageEGL::GetSize() { return size_; }
  45
  46 bool GLImageEGL::BindTexImage(unsigned target) {
  47   DCHECK_NE(EGL_NO_IMAGE_KHR, egl_image_);
  48   glEGLImageTargetTexture2DOES(target, egl_image_);
  49   DCHECK_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
  50   return true;
  51 }
  52
  53 bool GLImageEGL::ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
  54                                       int z_order,
  55                                       OverlayTransform transform,
  56                                       const Rect& bounds_rect,
  57                                       const RectF& crop_rect) {
  58   return false;
  59 }
  60
  61 }  // namespace gfx