video_decode_accelerator_unittest: enable test on ozone surfaceless

content/common/gpu/media/surfaceless_gl_renderer.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/ozone/demo/surfaceless_gl_renderer.h"
+#include "content/common/gpu/media/surfaceless_gl_renderer.h"
 
 #include "base/bind.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_image.h"
 #include "ui/gl/gl_surface.h"
 #include "ui/ozone/gpu/gpu_memory_buffer_factory_ozone_native_buffer.h"
 
-namespace ui {
+namespace content {
 
 SurfacelessGlRenderer::BufferWrapper::BufferWrapper()
     : widget_(gfx::kNullAcceleratedWidget), gl_fb_(0), gl_tex_(0) {
 }
 
 SurfacelessGlRenderer::BufferWrapper::~BufferWrapper() {
   if (gl_fb_)
     glDeleteFramebuffersEXT(1, &gl_fb_);
 
   if (gl_tex_) {
     image_->ReleaseTexImage(GL_TEXTURE_2D);
     glDeleteTextures(1, &gl_tex_);
     image_->Destroy(true);
   }
 }
 
 bool SurfacelessGlRenderer::BufferWrapper::Initialize(
-    GpuMemoryBufferFactoryOzoneNativeBuffer* buffer_factory,
+    ui::GpuMemoryBufferFactoryOzoneNativeBuffer* buffer_factory,
     gfx::AcceleratedWidget widget,
     const gfx::Size& size) {
   glGenFramebuffersEXT(1, &gl_fb_);
   glGenTextures(1, &gl_tex_);
 
   static int buffer_id_generator = 1;
   int id = buffer_id_generator++;
 
   buffer_factory->CreateGpuMemoryBuffer(
       id, size, gfx::GpuMemoryBuffer::RGBX_8888, gfx::GpuMemoryBuffer::SCANOUT,
       1, widget);
   image_ = buffer_factory->CreateImageForGpuMemoryBuffer(
       id, size, gfx::GpuMemoryBuffer::RGBX_8888, GL_RGB, 1);
   // Now that we have a reference to |image_|; we can just remove it from the
   // factory mapping.
   buffer_factory->DestroyGpuMemoryBuffer(id, widget);
 
   if (!image_) {
-    LOG(ERROR) << "Failed to create GL image";
+    LOG(FATAL) << "Failed to create GL image";
     return false;
   }
 
   glBindFramebufferEXT(GL_FRAMEBUFFER, gl_fb_);
   glBindTexture(GL_TEXTURE_2D, gl_tex_);
   image_->BindTexImage(GL_TEXTURE_2D);
 
   glFramebufferTexture2DEXT(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
                             gl_tex_, 0);
   if (glCheckFramebufferStatusEXT(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
-    LOG(ERROR) << "Failed to create framebuffer "
+    LOG(FATAL) << "Failed to create framebuffer "
                << glCheckFramebufferStatusEXT(GL_FRAMEBUFFER);
     return false;
   }
 
   widget_ = widget;
   size_ = size;
 
   return true;
 }
 
 void SurfacelessGlRenderer::BufferWrapper::BindFramebuffer() {
   glBindFramebufferEXT(GL_FRAMEBUFFER, gl_fb_);
 }
 
 void SurfacelessGlRenderer::BufferWrapper::SchedulePlane() {
   image_->ScheduleOverlayPlane(widget_, 0, gfx::OVERLAY_TRANSFORM_NONE,
                                gfx::Rect(size_), gfx::RectF(0, 0, 1, 1));
 }
 
 SurfacelessGlRenderer::SurfacelessGlRenderer(
     gfx::AcceleratedWidget widget,
     const gfx::Size& size,
-    GpuMemoryBufferFactoryOzoneNativeBuffer* buffer_factory)
+    ui::GpuMemoryBufferFactoryOzoneNativeBuffer* buffer_factory)
     : GlRenderer(widget, size),
       buffer_factory_(buffer_factory),
       back_buffer_(0),
-      is_swapping_buffers_(false),
       weak_ptr_factory_(this) {
 }
 
 SurfacelessGlRenderer::~SurfacelessGlRenderer() {
   // Need to make current when deleting the framebuffer resources allocated in
   // the buffers.
   context_->MakeCurrent(surface_.get());
 }
 
 bool SurfacelessGlRenderer::Initialize() {
   if (!GlRenderer::Initialize())
     return false;
 
   for (size_t i = 0; i < arraysize(buffers_); ++i)
     if (!buffers_[i].Initialize(buffer_factory_, widget_, size_))
       return false;
 
   return true;
 }
 
-void SurfacelessGlRenderer::RenderFrame() {
-  if (is_swapping_buffers_)
-    return;
-
-  float fraction = NextFraction();
-
-  context_->MakeCurrent(surface_.get());
+bool SurfacelessGlRenderer::MakeCurrent() {
+  if (!context_->MakeCurrent(surface_.get()))
+    return false;
   buffers_[back_buffer_].BindFramebuffer();
-
-  glViewport(0, 0, size_.width(), size_.height());
-  glClearColor(1 - fraction, fraction, 0.0, 1.0);
-  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-  buffers_[back_buffer_].SchedulePlane();
-  is_swapping_buffers_ = true;
-  if (!surface_->SwapBuffersAsync(
-          base::Bind(&SurfacelessGlRenderer::OnSwapBuffersAck,
-                     weak_ptr_factory_.GetWeakPtr())))
-    LOG(FATAL) << "Failed to swap buffers";
+  return true;
 }
 
-void SurfacelessGlRenderer::OnSwapBuffersAck() {
-  is_swapping_buffers_ = false;
+void SurfacelessGlRenderer::SwapBuffers() {
+  buffers_[back_buffer_].SchedulePlane();
+  if (!surface_->SwapBuffers())
+    LOG(FATAL) << "Failed to swap buffers";
   back_buffer_ ^= 1;
+  // Bind new framebuffer.
+  buffers_[back_buffer_].BindFramebuffer();
 }
 
-}  // namespace ui
+bool SurfacelessGlRenderer::IsFlipped() {
+  return true;
+}
+
+void SurfacelessGlRenderer::BindFramebuffer(uint32_t fbo) {
+  glBindFramebufferEXT(GL_FRAMEBUFFER, fbo);
+}
+
+void SurfacelessGlRenderer::UnbindFramebuffer() {
+  buffers_[back_buffer_].BindFramebuffer();
+}
+
+}  // namespace content