cc/test/pixel_test.cc

   1 // Copyright 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 "cc/test/pixel_test.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/message_loop/message_loop_proxy.h"
   9 #include "base/path_service.h"
  10 #include "base/run_loop.h"
  11 #include "cc/base/switches.h"
  12 #include "cc/output/compositor_frame_metadata.h"
  13 #include "cc/output/copy_output_request.h"
  14 #include "cc/output/copy_output_result.h"
  15 #include "cc/output/gl_renderer.h"
  16 #include "cc/output/output_surface_client.h"
  17 #include "cc/output/software_renderer.h"
  18 #include "cc/resources/raster_worker_pool.h"
  19 #include "cc/resources/resource_provider.h"
  20 #include "cc/resources/texture_mailbox_deleter.h"
  21 #include "cc/test/fake_output_surface_client.h"
  22 #include "cc/test/paths.h"
  23 #include "cc/test/pixel_test_output_surface.h"
  24 #include "cc/test/pixel_test_software_output_device.h"
  25 #include "cc/test/pixel_test_utils.h"
  26 #include "cc/test/test_in_process_context_provider.h"
  27 #include "cc/test/test_shared_bitmap_manager.h"
  28 #include "testing/gtest/include/gtest/gtest.h"
  29
  30 namespace cc {
  31
  32 PixelTest::PixelTest()
  33     : device_viewport_size_(gfx::Size(200, 200)),
  34       disable_picture_quad_image_filtering_(false),
  35       output_surface_client_(new FakeOutputSurfaceClient) {}
  36
  37 PixelTest::~PixelTest() {}
  38
  39 bool PixelTest::RunPixelTest(RenderPassList* pass_list,
  40                              const base::FilePath& ref_file,
  41                              const PixelComparator& comparator) {
  42   return RunPixelTestWithReadbackTarget(pass_list,
  43                                         pass_list->back(),
  44                                         ref_file,
  45                                         comparator);
  46 }
  47
  48 bool PixelTest::RunPixelTestWithReadbackTarget(
  49     RenderPassList* pass_list,
  50     RenderPass* target,
  51     const base::FilePath& ref_file,
  52     const PixelComparator& comparator) {
  53   base::RunLoop run_loop;
  54
  55   target->copy_requests.push_back(CopyOutputRequest::CreateBitmapRequest(
  56       base::Bind(&PixelTest::ReadbackResult,
  57                  base::Unretained(this),
  58                  run_loop.QuitClosure())));
  59
  60   float device_scale_factor = 1.f;
  61   gfx::Rect device_viewport_rect =
  62       gfx::Rect(device_viewport_size_) + external_device_viewport_offset_;
  63   gfx::Rect device_clip_rect = external_device_clip_rect_.IsEmpty()
  64                                    ? device_viewport_rect
  65                                    : external_device_clip_rect_;
  66   renderer_->DecideRenderPassAllocationsForFrame(*pass_list);
  67   renderer_->DrawFrame(pass_list,
  68                        device_scale_factor,
  69                        device_viewport_rect,
  70                        device_clip_rect,
  71                        disable_picture_quad_image_filtering_);
  72
  73   // Wait for the readback to complete.
  74   resource_provider_->Finish();
  75   run_loop.Run();
  76
  77   return PixelsMatchReference(ref_file, comparator);
  78 }
  79
  80 void PixelTest::ReadbackResult(base::Closure quit_run_loop,
  81                                scoped_ptr<CopyOutputResult> result) {
  82   ASSERT_TRUE(result->HasBitmap());
  83   result_bitmap_ = result->TakeBitmap().Pass();
  84   quit_run_loop.Run();
  85 }
  86
  87 bool PixelTest::PixelsMatchReference(const base::FilePath& ref_file,
  88                                      const PixelComparator& comparator) {
  89   base::FilePath test_data_dir;
  90   if (!PathService::Get(CCPaths::DIR_TEST_DATA, &test_data_dir))
  91     return false;
  92
  93   // If this is false, we didn't set up a readback on a render pass.
  94   if (!result_bitmap_)
  95     return false;
  96
  97   CommandLine* cmd = CommandLine::ForCurrentProcess();
  98   if (cmd->HasSwitch(switches::kCCRebaselinePixeltests))
  99     return WritePNGFile(*result_bitmap_, test_data_dir.Append(ref_file), true);
 100
 101   return MatchesPNGFile(
 102       *result_bitmap_, test_data_dir.Append(ref_file), comparator);
 103 }
 104
 105 void PixelTest::SetUpGLRenderer(bool use_skia_gpu_backend) {
 106   enable_pixel_output_.reset(new gfx::DisableNullDrawGLBindings);
 107
 108   output_surface_.reset(
 109       new PixelTestOutputSurface(new TestInProcessContextProvider));
 110   output_surface_->BindToClient(output_surface_client_.get());
 111
 112   shared_bitmap_manager_.reset(new TestSharedBitmapManager());
 113   resource_provider_ = ResourceProvider::Create(
 114       output_surface_.get(), shared_bitmap_manager_.get(), 0, false, 1, false);
 115
 116   texture_mailbox_deleter_ = make_scoped_ptr(
 117       new TextureMailboxDeleter(base::MessageLoopProxy::current()));
 118
 119   renderer_ = GLRenderer::Create(this,
 120                                  &settings_,
 121                                  output_surface_.get(),
 122                                  resource_provider_.get(),
 123                                  texture_mailbox_deleter_.get(),
 124                                  0).PassAs<DirectRenderer>();
 125 }
 126
 127 void PixelTest::ForceExpandedViewport(const gfx::Size& surface_expansion) {
 128   static_cast<PixelTestOutputSurface*>(output_surface_.get())
 129       ->set_surface_expansion_size(surface_expansion);
 130   SoftwareOutputDevice* device = output_surface_->software_device();
 131   if (device) {
 132     static_cast<PixelTestSoftwareOutputDevice*>(device)
 133         ->set_surface_expansion_size(surface_expansion);
 134   }
 135 }
 136
 137 void PixelTest::ForceViewportOffset(const gfx::Vector2d& viewport_offset) {
 138   external_device_viewport_offset_ = viewport_offset;
 139 }
 140
 141 void PixelTest::ForceDeviceClip(const gfx::Rect& clip) {
 142   external_device_clip_rect_ = clip;
 143 }
 144
 145 void PixelTest::EnableExternalStencilTest() {
 146   static_cast<PixelTestOutputSurface*>(output_surface_.get())
 147       ->set_has_external_stencil_test(true);
 148 }
 149
 150 void PixelTest::RunOnDemandRasterTask(Task* on_demand_raster_task) {
 151   TaskGraphRunner task_graph_runner;
 152   NamespaceToken on_demand_task_namespace =
 153       task_graph_runner.GetNamespaceToken();
 154
 155   // Construct a task graph that contains this single raster task.
 156   TaskGraph graph;
 157   graph.nodes.push_back(
 158       TaskGraph::Node(on_demand_raster_task,
 159                       RasterWorkerPool::kOnDemandRasterTaskPriority,
 160                       0u));
 161
 162   // Schedule task and wait for task graph runner to finish running it.
 163   task_graph_runner.ScheduleTasks(on_demand_task_namespace, &graph);
 164   task_graph_runner.RunUntilIdle();
 165
 166   // Collect task now that it has finished running.
 167   Task::Vector completed_tasks;
 168   task_graph_runner.CollectCompletedTasks(on_demand_task_namespace,
 169                                           &completed_tasks);
 170   DCHECK_EQ(1u, completed_tasks.size());
 171   DCHECK_EQ(completed_tasks[0], on_demand_raster_task);
 172 }
 173
 174 void PixelTest::SetUpSoftwareRenderer() {
 175   scoped_ptr<SoftwareOutputDevice> device(new PixelTestSoftwareOutputDevice());
 176   output_surface_.reset(new PixelTestOutputSurface(device.Pass()));
 177   output_surface_->BindToClient(output_surface_client_.get());
 178   shared_bitmap_manager_.reset(new TestSharedBitmapManager());
 179   resource_provider_ = ResourceProvider::Create(
 180       output_surface_.get(), shared_bitmap_manager_.get(), 0, false, 1, false);
 181   renderer_ =
 182       SoftwareRenderer::Create(
 183           this, &settings_, output_surface_.get(), resource_provider_.get())
 184           .PassAs<DirectRenderer>();
 185 }
 186
 187 }  // namespace cc