cc/test/layer_tree_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/layer_tree_pixel_test.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/path_service.h"
   9 #include "cc/base/switches.h"
  10 #include "cc/layers/solid_color_layer.h"
  11 #include "cc/layers/texture_layer.h"
  12 #include "cc/output/copy_output_request.h"
  13 #include "cc/output/copy_output_result.h"
  14 #include "cc/resources/texture_mailbox.h"
  15 #include "cc/test/paths.h"
  16 #include "cc/test/pixel_comparator.h"
  17 #include "cc/test/pixel_test_output_surface.h"
  18 #include "cc/test/pixel_test_software_output_device.h"
  19 #include "cc/test/pixel_test_utils.h"
  20 #include "cc/test/test_in_process_context_provider.h"
  21 #include "cc/trees/layer_tree_impl.h"
  22 #include "gpu/command_buffer/client/gl_in_process_context.h"
  23 #include "gpu/command_buffer/client/gles2_implementation.h"
  24
  25 using gpu::gles2::GLES2Interface;
  26
  27 namespace cc {
  28
  29 LayerTreePixelTest::LayerTreePixelTest()
  30     : pixel_comparator_(new ExactPixelComparator(true)),
  31       test_type_(GL_WITH_DEFAULT),
  32       pending_texture_mailbox_callbacks_(0),
  33       impl_side_painting_(true) {}
  34
  35 LayerTreePixelTest::~LayerTreePixelTest() {}
  36
  37 scoped_ptr<OutputSurface> LayerTreePixelTest::CreateOutputSurface(
  38     bool fallback) {
  39   gfx::Size surface_expansion_size(40, 60);
  40   scoped_ptr<PixelTestOutputSurface> output_surface;
  41
  42   switch (test_type_) {
  43     case SOFTWARE_WITH_DEFAULT:
  44     case SOFTWARE_WITH_BITMAP: {
  45       scoped_ptr<PixelTestSoftwareOutputDevice> software_output_device(
  46           new PixelTestSoftwareOutputDevice);
  47       software_output_device->set_surface_expansion_size(
  48           surface_expansion_size);
  49       output_surface = make_scoped_ptr(
  50           new PixelTestOutputSurface(
  51               software_output_device.PassAs<SoftwareOutputDevice>()));
  52       break;
  53     }
  54
  55     case GL_WITH_DEFAULT:
  56     case GL_WITH_BITMAP: {
  57       output_surface = make_scoped_ptr(
  58           new PixelTestOutputSurface(new TestInProcessContextProvider));
  59       break;
  60     }
  61   }
  62
  63   output_surface->set_surface_expansion_size(surface_expansion_size);
  64   return output_surface.PassAs<OutputSurface>();
  65 }
  66
  67 scoped_refptr<ContextProvider> LayerTreePixelTest::OffscreenContextProvider() {
  68   return scoped_refptr<ContextProvider>(new TestInProcessContextProvider);
  69 }
  70
  71 void LayerTreePixelTest::CommitCompleteOnThread(LayerTreeHostImpl* impl) {
  72   LayerTreeImpl* commit_tree =
  73       impl->pending_tree() ? impl->pending_tree() : impl->active_tree();
  74   if (commit_tree->source_frame_number() != 0)
  75     return;
  76
  77   gfx::Rect viewport = impl->DeviceViewport();
  78   // The viewport has a 0,0 origin without external influence.
  79   EXPECT_EQ(gfx::Point().ToString(), viewport.origin().ToString());
  80   // Be that influence!
  81   viewport += gfx::Vector2d(20, 10);
  82   impl->SetExternalDrawConstraints(gfx::Transform(), viewport, viewport, true);
  83   EXPECT_EQ(viewport.ToString(), impl->DeviceViewport().ToString());
  84 }
  85
  86 scoped_ptr<CopyOutputRequest> LayerTreePixelTest::CreateCopyOutputRequest() {
  87   return CopyOutputRequest::CreateBitmapRequest(
  88       base::Bind(&LayerTreePixelTest::ReadbackResult, base::Unretained(this)));
  89 }
  90
  91 void LayerTreePixelTest::ReadbackResult(scoped_ptr<CopyOutputResult> result) {
  92   ASSERT_TRUE(result->HasBitmap());
  93   result_bitmap_ = result->TakeBitmap().Pass();
  94   EndTest();
  95 }
  96
  97 void LayerTreePixelTest::BeginTest() {
  98   Layer* target = readback_target_ ? readback_target_
  99                                    : layer_tree_host()->root_layer();
 100   target->RequestCopyOfOutput(CreateCopyOutputRequest().Pass());
 101   PostSetNeedsCommitToMainThread();
 102 }
 103
 104 void LayerTreePixelTest::AfterTest() {
 105   base::FilePath test_data_dir;
 106   EXPECT_TRUE(PathService::Get(CCPaths::DIR_TEST_DATA, &test_data_dir));
 107   base::FilePath ref_file_path = test_data_dir.Append(ref_file_);
 108
 109   CommandLine* cmd = CommandLine::ForCurrentProcess();
 110   if (cmd->HasSwitch(switches::kCCRebaselinePixeltests))
 111     EXPECT_TRUE(WritePNGFile(*result_bitmap_, ref_file_path, true));
 112
 113   EXPECT_TRUE(MatchesPNGFile(*result_bitmap_,
 114                              ref_file_path,
 115                              *pixel_comparator_));
 116 }
 117
 118 scoped_refptr<SolidColorLayer> LayerTreePixelTest::CreateSolidColorLayer(
 119     const gfx::Rect& rect, SkColor color) {
 120   scoped_refptr<SolidColorLayer> layer = SolidColorLayer::Create();
 121   layer->SetIsDrawable(true);
 122   layer->SetAnchorPoint(gfx::PointF());
 123   layer->SetBounds(rect.size());
 124   layer->SetPosition(rect.origin());
 125   layer->SetBackgroundColor(color);
 126   return layer;
 127 }
 128
 129 void LayerTreePixelTest::EndTest() {
 130   // Drop TextureMailboxes on the main thread so that they can be cleaned up and
 131   // the pending callbacks will fire.
 132   for (size_t i = 0; i < texture_layers_.size(); ++i) {
 133     texture_layers_[i]->SetTextureMailbox(TextureMailbox(),
 134                                           scoped_ptr<SingleReleaseCallback>());
 135   }
 136
 137   TryEndTest();
 138 }
 139
 140 void LayerTreePixelTest::TryEndTest() {
 141   if (!result_bitmap_)
 142     return;
 143   if (pending_texture_mailbox_callbacks_)
 144     return;
 145   LayerTreeTest::EndTest();
 146 }
 147
 148 scoped_refptr<SolidColorLayer> LayerTreePixelTest::
 149     CreateSolidColorLayerWithBorder(
 150         const gfx::Rect& rect, SkColor color,
 151         int border_width, SkColor border_color) {
 152   scoped_refptr<SolidColorLayer> layer = CreateSolidColorLayer(rect, color);
 153   scoped_refptr<SolidColorLayer> border_top = CreateSolidColorLayer(
 154       gfx::Rect(0, 0, rect.width(), border_width), border_color);
 155   scoped_refptr<SolidColorLayer> border_left = CreateSolidColorLayer(
 156       gfx::Rect(0,
 157                 border_width,
 158                 border_width,
 159                 rect.height() - border_width * 2),
 160       border_color);
 161   scoped_refptr<SolidColorLayer> border_right =
 162       CreateSolidColorLayer(gfx::Rect(rect.width() - border_width,
 163                                       border_width,
 164                                       border_width,
 165                                       rect.height() - border_width * 2),
 166                             border_color);
 167   scoped_refptr<SolidColorLayer> border_bottom = CreateSolidColorLayer(
 168       gfx::Rect(0, rect.height() - border_width, rect.width(), border_width),
 169       border_color);
 170   layer->AddChild(border_top);
 171   layer->AddChild(border_left);
 172   layer->AddChild(border_right);
 173   layer->AddChild(border_bottom);
 174   return layer;
 175 }
 176
 177 scoped_refptr<TextureLayer> LayerTreePixelTest::CreateTextureLayer(
 178     const gfx::Rect& rect, const SkBitmap& bitmap) {
 179   scoped_refptr<TextureLayer> layer = TextureLayer::CreateForMailbox(NULL);
 180   layer->SetIsDrawable(true);
 181   layer->SetAnchorPoint(gfx::PointF());
 182   layer->SetBounds(rect.size());
 183   layer->SetPosition(rect.origin());
 184
 185   TextureMailbox texture_mailbox;
 186   scoped_ptr<SingleReleaseCallback> release_callback;
 187   CopyBitmapToTextureMailboxAsTexture(
 188       bitmap, &texture_mailbox, &release_callback);
 189   layer->SetTextureMailbox(texture_mailbox, release_callback.Pass());
 190
 191   texture_layers_.push_back(layer);
 192   pending_texture_mailbox_callbacks_++;
 193   return layer;
 194 }
 195
 196 void LayerTreePixelTest::RunPixelTest(
 197     PixelTestType test_type,
 198     scoped_refptr<Layer> content_root,
 199     base::FilePath file_name) {
 200   test_type_ = test_type;
 201   content_root_ = content_root;
 202   readback_target_ = NULL;
 203   ref_file_ = file_name;
 204   RunTest(true, false, impl_side_painting_);
 205 }
 206
 207 void LayerTreePixelTest::RunPixelTestWithReadbackTarget(
 208     PixelTestType test_type,
 209     scoped_refptr<Layer> content_root,
 210     Layer* target,
 211     base::FilePath file_name) {
 212   test_type_ = test_type;
 213   content_root_ = content_root;
 214   readback_target_ = target;
 215   ref_file_ = file_name;
 216   RunTest(true, false, impl_side_painting_);
 217 }
 218
 219 void LayerTreePixelTest::SetupTree() {
 220   scoped_refptr<Layer> root = Layer::Create();
 221   root->SetBounds(content_root_->bounds());
 222   root->AddChild(content_root_);
 223   layer_tree_host()->SetRootLayer(root);
 224   LayerTreeTest::SetupTree();
 225 }
 226
 227 scoped_ptr<SkBitmap> LayerTreePixelTest::CopyTextureMailboxToBitmap(
 228     const gfx::Size& size,
 229     const TextureMailbox& texture_mailbox) {
 230   DCHECK(texture_mailbox.IsTexture());
 231   if (!texture_mailbox.IsTexture())
 232     return scoped_ptr<SkBitmap>();
 233
 234   scoped_ptr<gpu::GLInProcessContext> context = CreateTestInProcessContext();
 235   GLES2Interface* gl = context->GetImplementation();
 236
 237   if (texture_mailbox.sync_point())
 238     gl->WaitSyncPointCHROMIUM(texture_mailbox.sync_point());
 239
 240   GLuint texture_id = 0;
 241   gl->GenTextures(1, &texture_id);
 242   gl->BindTexture(GL_TEXTURE_2D, texture_id);
 243   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 244   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 245   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 246   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 247   gl->ConsumeTextureCHROMIUM(texture_mailbox.target(), texture_mailbox.name());
 248   gl->BindTexture(GL_TEXTURE_2D, 0);
 249
 250   GLuint fbo = 0;
 251   gl->GenFramebuffers(1, &fbo);
 252   gl->BindFramebuffer(GL_FRAMEBUFFER, fbo);
 253   gl->FramebufferTexture2D(
 254       GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture_id, 0);
 255   EXPECT_EQ(static_cast<unsigned>(GL_FRAMEBUFFER_COMPLETE),
 256             gl->CheckFramebufferStatus(GL_FRAMEBUFFER));
 257
 258   scoped_ptr<uint8[]> pixels(new uint8[size.GetArea() * 4]);
 259   gl->ReadPixels(0,
 260                  0,
 261                  size.width(),
 262                  size.height(),
 263                  GL_RGBA,
 264                  GL_UNSIGNED_BYTE,
 265                  pixels.get());
 266
 267   gl->DeleteFramebuffers(1, &fbo);
 268   gl->DeleteTextures(1, &texture_id);
 269
 270   scoped_ptr<SkBitmap> bitmap(new SkBitmap);
 271   bitmap->allocN32Pixels(size.width(), size.height());
 272
 273   uint8* out_pixels = static_cast<uint8*>(bitmap->getPixels());
 274
 275   size_t row_bytes = size.width() * 4;
 276   size_t total_bytes = size.height() * row_bytes;
 277   for (size_t dest_y = 0; dest_y < total_bytes; dest_y += row_bytes) {
 278     // Flip Y axis.
 279     size_t src_y = total_bytes - dest_y - row_bytes;
 280     // Swizzle OpenGL -> Skia byte order.
 281     for (size_t x = 0; x < row_bytes; x += 4) {
 282       out_pixels[dest_y + x + SK_R32_SHIFT/8] = pixels.get()[src_y + x + 0];
 283       out_pixels[dest_y + x + SK_G32_SHIFT/8] = pixels.get()[src_y + x + 1];
 284       out_pixels[dest_y + x + SK_B32_SHIFT/8] = pixels.get()[src_y + x + 2];
 285       out_pixels[dest_y + x + SK_A32_SHIFT/8] = pixels.get()[src_y + x + 3];
 286     }
 287   }
 288
 289   return bitmap.Pass();
 290 }
 291
 292 void LayerTreePixelTest::ReleaseTextureMailbox(
 293     scoped_ptr<gpu::GLInProcessContext> context,
 294     uint32 texture,
 295     uint32 sync_point,
 296     bool lost_resource) {
 297   GLES2Interface* gl = context->GetImplementation();
 298   if (sync_point)
 299     gl->WaitSyncPointCHROMIUM(sync_point);
 300   gl->DeleteTextures(1, &texture);
 301   pending_texture_mailbox_callbacks_--;
 302   TryEndTest();
 303 }
 304
 305 void LayerTreePixelTest::CopyBitmapToTextureMailboxAsTexture(
 306     const SkBitmap& bitmap,
 307     TextureMailbox* texture_mailbox,
 308     scoped_ptr<SingleReleaseCallback>* release_callback) {
 309   DCHECK_GT(bitmap.width(), 0);
 310   DCHECK_GT(bitmap.height(), 0);
 311
 312   scoped_ptr<gpu::GLInProcessContext> context = CreateTestInProcessContext();
 313   GLES2Interface* gl = context->GetImplementation();
 314
 315   GLuint texture_id = 0;
 316   gl->GenTextures(1, &texture_id);
 317   gl->BindTexture(GL_TEXTURE_2D, texture_id);
 318   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 319   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 320   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 321   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 322
 323   DCHECK_EQ(kPMColor_SkColorType, bitmap.colorType());
 324
 325   {
 326     SkAutoLockPixels lock(bitmap);
 327
 328     size_t row_bytes = bitmap.width() * 4;
 329     size_t total_bytes = bitmap.height() * row_bytes;
 330
 331     scoped_ptr<uint8[]> gl_pixels(new uint8[total_bytes]);
 332     uint8* bitmap_pixels = static_cast<uint8*>(bitmap.getPixels());
 333
 334     for (size_t y = 0; y < total_bytes; y += row_bytes) {
 335       // Flip Y axis.
 336       size_t src_y = total_bytes - y - row_bytes;
 337       // Swizzle Skia -> OpenGL byte order.
 338       for (size_t x = 0; x < row_bytes; x += 4) {
 339         gl_pixels.get()[y + x + 0] = bitmap_pixels[src_y + x + SK_R32_SHIFT/8];
 340         gl_pixels.get()[y + x + 1] = bitmap_pixels[src_y + x + SK_G32_SHIFT/8];
 341         gl_pixels.get()[y + x + 2] = bitmap_pixels[src_y + x + SK_B32_SHIFT/8];
 342         gl_pixels.get()[y + x + 3] = bitmap_pixels[src_y + x + SK_A32_SHIFT/8];
 343       }
 344     }
 345
 346     gl->TexImage2D(GL_TEXTURE_2D,
 347                    0,
 348                    GL_RGBA,
 349                    bitmap.width(),
 350                    bitmap.height(),
 351                    0,
 352                    GL_RGBA,
 353                    GL_UNSIGNED_BYTE,
 354                    gl_pixels.get());
 355   }
 356
 357   gpu::Mailbox mailbox;
 358   gl->GenMailboxCHROMIUM(mailbox.name);
 359   gl->ProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox.name);
 360   gl->BindTexture(GL_TEXTURE_2D, 0);
 361   uint32 sync_point = gl->InsertSyncPointCHROMIUM();
 362
 363   *texture_mailbox = TextureMailbox(mailbox, GL_TEXTURE_2D, sync_point);
 364   *release_callback = SingleReleaseCallback::Create(
 365       base::Bind(&LayerTreePixelTest::ReleaseTextureMailbox,
 366                  base::Unretained(this),
 367                  base::Passed(&context),
 368                  texture_id));
 369 }
 370
 371 }  // namespace cc