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 "gpu/command_buffer/client/gles2_interface.h"
  29 #include "testing/gtest/include/gtest/gtest.h"
  30
  31 namespace cc {
  32
  33 PixelTest::PixelTest()
  34     : device_viewport_size_(gfx::Size(200, 200)),
  35       disable_picture_quad_image_filtering_(false),
  36       output_surface_client_(new FakeOutputSurfaceClient) {}
  37
  38 PixelTest::~PixelTest() {}
  39
  40 bool PixelTest::RunPixelTest(RenderPassList* pass_list,
  41                              const base::FilePath& ref_file,
  42                              const PixelComparator& comparator) {
  43   return RunPixelTestWithReadbackTarget(pass_list,
  44                                         pass_list->back(),
  45                                         ref_file,
  46                                         comparator);
  47 }
  48
  49 bool PixelTest::RunPixelTestWithReadbackTarget(
  50     RenderPassList* pass_list,
  51     RenderPass* target,
  52     const base::FilePath& ref_file,
  53     const PixelComparator& comparator) {
  54   base::RunLoop run_loop;
  55
  56   target->copy_requests.push_back(CopyOutputRequest::CreateBitmapRequest(
  57       base::Bind(&PixelTest::ReadbackResult,
  58                  base::Unretained(this),
  59                  run_loop.QuitClosure())));
  60
  61   float device_scale_factor = 1.f;
  62   gfx::Rect device_viewport_rect =
  63       gfx::Rect(device_viewport_size_) + external_device_viewport_offset_;
  64   gfx::Rect device_clip_rect = external_device_clip_rect_.IsEmpty()
  65                                    ? device_viewport_rect
  66                                    : external_device_clip_rect_;
  67   renderer_->DecideRenderPassAllocationsForFrame(*pass_list);
  68   renderer_->DrawFrame(pass_list,
  69                        device_scale_factor,
  70                        device_viewport_rect,
  71                        device_clip_rect,
  72                        disable_picture_quad_image_filtering_);
  73
  74   // Wait for the readback to complete.
  75   if (output_surface_->context_provider())
  76     output_surface_->context_provider()->ContextGL()->Finish();
  77   run_loop.Run();
  78
  79   return PixelsMatchReference(ref_file, comparator);
  80 }
  81
  82 void PixelTest::ReadbackResult(base::Closure quit_run_loop,
  83                                scoped_ptr<CopyOutputResult> result) {
  84   ASSERT_TRUE(result->HasBitmap());
  85   result_bitmap_ = result->TakeBitmap().Pass();
  86   quit_run_loop.Run();
  87 }
  88
  89 bool PixelTest::PixelsMatchReference(const base::FilePath& ref_file,
  90                                      const PixelComparator& comparator) {
  91   base::FilePath test_data_dir;
  92   if (!PathService::Get(CCPaths::DIR_TEST_DATA, &test_data_dir))
  93     return false;
  94
  95   // If this is false, we didn't set up a readback on a render pass.
  96   if (!result_bitmap_)
  97     return false;
  98
  99   CommandLine* cmd = CommandLine::ForCurrentProcess();
 100   if (cmd->HasSwitch(switches::kCCRebaselinePixeltests))
 101     return WritePNGFile(*result_bitmap_, test_data_dir.Append(ref_file), true);
 102
 103   return MatchesPNGFile(
 104       *result_bitmap_, test_data_dir.Append(ref_file), comparator);
 105 }
 106
 107 void PixelTest::SetUpGLRenderer(bool use_skia_gpu_backend) {
 108   enable_pixel_output_.reset(new gfx::DisableNullDrawGLBindings);
 109
 110   output_surface_.reset(
 111       new PixelTestOutputSurface(new TestInProcessContextProvider));
 112   output_surface_->BindToClient(output_surface_client_.get());
 113
 114   shared_bitmap_manager_.reset(new TestSharedBitmapManager());
 115   resource_provider_ = ResourceProvider::Create(
 116       output_surface_.get(), shared_bitmap_manager_.get(), 0, false, 1, false);
 117
 118   texture_mailbox_deleter_ = make_scoped_ptr(
 119       new TextureMailboxDeleter(base::MessageLoopProxy::current()));
 120
 121   renderer_ = GLRenderer::Create(this,
 122                                  &settings_,
 123                                  output_surface_.get(),
 124                                  resource_provider_.get(),
 125                                  texture_mailbox_deleter_.get(),
 126                                  0).PassAs<DirectRenderer>();
 127 }
 128
 129 void PixelTest::ForceExpandedViewport(const gfx::Size& surface_expansion) {
 130   static_cast<PixelTestOutputSurface*>(output_surface_.get())
 131       ->set_surface_expansion_size(surface_expansion);
 132   SoftwareOutputDevice* device = output_surface_->software_device();
 133   if (device) {
 134     static_cast<PixelTestSoftwareOutputDevice*>(device)
 135         ->set_surface_expansion_size(surface_expansion);
 136   }
 137 }
 138
 139 void PixelTest::ForceViewportOffset(const gfx::Vector2d& viewport_offset) {
 140   external_device_viewport_offset_ = viewport_offset;
 141 }
 142
 143 void PixelTest::ForceDeviceClip(const gfx::Rect& clip) {
 144   external_device_clip_rect_ = clip;
 145 }
 146
 147 void PixelTest::EnableExternalStencilTest() {
 148   static_cast<PixelTestOutputSurface*>(output_surface_.get())
 149       ->set_has_external_stencil_test(true);
 150 }
 151
 152 void PixelTest::RunOnDemandRasterTask(Task* on_demand_raster_task) {
 153   TaskGraphRunner task_graph_runner;
 154   NamespaceToken on_demand_task_namespace =
 155       task_graph_runner.GetNamespaceToken();
 156
 157   // Construct a task graph that contains this single raster task.
 158   TaskGraph graph;
 159   graph.nodes.push_back(
 160       TaskGraph::Node(on_demand_raster_task,
 161                       RasterWorkerPool::kOnDemandRasterTaskPriority,
 162                       0u));
 163
 164   // Schedule task and wait for task graph runner to finish running it.
 165   task_graph_runner.ScheduleTasks(on_demand_task_namespace, &graph);
 166   task_graph_runner.RunUntilIdle();
 167
 168   // Collect task now that it has finished running.
 169   Task::Vector completed_tasks;
 170   task_graph_runner.CollectCompletedTasks(on_demand_task_namespace,
 171                                           &completed_tasks);
 172   DCHECK_EQ(1u, completed_tasks.size());
 173   DCHECK_EQ(completed_tasks[0], on_demand_raster_task);
 174 }
 175
 176 void PixelTest::SetUpSoftwareRenderer() {
 177   scoped_ptr<SoftwareOutputDevice> device(new PixelTestSoftwareOutputDevice());
 178   output_surface_.reset(new PixelTestOutputSurface(device.Pass()));
 179   output_surface_->BindToClient(output_surface_client_.get());
 180   shared_bitmap_manager_.reset(new TestSharedBitmapManager());
 181   resource_provider_ = ResourceProvider::Create(
 182       output_surface_.get(), shared_bitmap_manager_.get(), 0, false, 1, false);
 183   renderer_ =
 184       SoftwareRenderer::Create(
 185           this, &settings_, output_surface_.get(), resource_provider_.get())
 186           .PassAs<DirectRenderer>();
 187 }
 188
 189 }  // namespace cc