[Ozone-DRI] Convert HardwareDisplayController to use scanout buffers

ui/ozone/platform/dri/test/mock_dri_wrapper.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/platform/dri/test/mock_dri_wrapper.h"
 
 #include <xf86drm.h>
 #include <xf86drmMode.h>
 
 #include "third_party/skia/include/core/SkCanvas.h"
-#include "ui/ozone/platform/dri/dri_surface.h"
 #include "ui/ozone/platform/dri/hardware_display_controller.h"
 
 namespace ui {
 
 namespace {
 
 template<class Object> Object* DrmAllocator() {
   return static_cast<Object*>(drmMalloc(sizeof(Object)));
 }
 
 }  // namespace
 
 MockDriWrapper::MockDriWrapper(int fd)
     : DriWrapper(""),
       get_crtc_call_count_(0),
       restore_crtc_call_count_(0),
       add_framebuffer_call_count_(0),
       remove_framebuffer_call_count_(0),
       page_flip_call_count_(0),
       overlay_flip_call_count_(0),
       set_crtc_expectation_(true),
       add_framebuffer_expectation_(true),
       page_flip_expectation_(true),
-      create_dumb_buffer_expectation_(true) {
+      create_dumb_buffer_expectation_(true),
+      current_framebuffer_(0),
+      controller_(NULL) {
   fd_ = fd;
 }
 
 MockDriWrapper::~MockDriWrapper() {
   fd_ = -1;
 }
 
 ScopedDrmCrtcPtr MockDriWrapper::GetCrtc(uint32_t crtc_id) {
   get_crtc_call_count_++;
   return ScopedDrmCrtcPtr(DrmAllocator<drmModeCrtc>());
 }
 
 bool MockDriWrapper::SetCrtc(uint32_t crtc_id,
                              uint32_t framebuffer,
                              uint32_t* connectors,
                              drmModeModeInfo* mode) {
+  current_framebuffer_ = framebuffer;
   return set_crtc_expectation_;
 }
 
 bool MockDriWrapper::SetCrtc(drmModeCrtc* crtc, uint32_t* connectors) {
   restore_crtc_call_count_++;
   return true;
 }
 
 bool MockDriWrapper::AddFramebuffer(uint32_t width,
                                     uint32_t height,
                                     uint8_t depth,
                                     uint8_t bpp,
                                     uint32_t stride,
                                     uint32_t handle,
                                     uint32_t* framebuffer) {
   add_framebuffer_call_count_++;
   *framebuffer = add_framebuffer_call_count_;
   return add_framebuffer_expectation_;
 }
 
 bool MockDriWrapper::RemoveFramebuffer(uint32_t framebuffer) {
   remove_framebuffer_call_count_++;
   return true;
 }
 
 bool MockDriWrapper::PageFlip(uint32_t crtc_id,
                               uint32_t framebuffer,
                               void* data) {
   page_flip_call_count_++;
-  static_cast<ui::HardwareDisplayController*>(data)->surface()->SwapBuffers();
+  current_framebuffer_ = framebuffer;
+  controller_ = static_cast<ui::HardwareDisplayController*>(data);
   return page_flip_expectation_;
 }
 
 bool MockDriWrapper::PageFlipOverlay(uint32_t crtc_id,
                                      uint32_t framebuffer,
                                      const gfx::Rect& location,
                                      const gfx::RectF& source,
                                      int overlay_plane) {
   overlay_flip_call_count_++;
   return true;
@@ skipping 20 matching lines @@
                                uint32_t handle,
                                const gfx::Size& size) {
   return true;
 }
 
 bool MockDriWrapper::MoveCursor(uint32_t crtc_id, const gfx::Point& point) {
   return true;
 }
 
 void MockDriWrapper::HandleEvent(drmEventContext& event) {
+  if (controller_)
+    controller_->OnPageFlipEvent(0, 0, 0);
 }
 
 bool MockDriWrapper::CreateDumbBuffer(const SkImageInfo& info,
                                       uint32_t* handle,
                                       uint32_t* stride,
                                       void** pixels) {
   if (!create_dumb_buffer_expectation_)
     return false;
 
   *handle = 0;
   *stride = info.minRowBytes();
   *pixels = new char[info.getSafeSize(*stride)];
   buffers_.push_back(
       skia::AdoptRef(SkSurface::NewRasterDirect(info, *pixels, *stride)));
   buffers_.back()->getCanvas()->clear(SK_ColorBLACK);
 
   return true;
 }
 
 void MockDriWrapper::DestroyDumbBuffer(const SkImageInfo& info,
                                        uint32_t handle,
                                        uint32_t stride,
                                        void* pixels) {
   delete[] static_cast<char*>(pixels);
 }
 
 }  // namespace ui