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/output/direct_renderer.h"
  15 #include "cc/resources/texture_mailbox.h"
  16 #include "cc/test/paths.h"
  17 #include "cc/test/pixel_comparator.h"
  18 #include "cc/test/pixel_test_output_surface.h"
  19 #include "cc/test/pixel_test_software_output_device.h"
  20 #include "cc/test/pixel_test_utils.h"
  21 #include "cc/test/test_in_process_context_provider.h"
  22 #include "cc/trees/layer_tree_impl.h"
  23 #include "gpu/command_buffer/client/gl_in_process_context.h"
  24 #include "gpu/command_buffer/client/gles2_implementation.h"
  25
  26 using gpu::gles2::GLES2Interface;
  27
  28 namespace cc {
  29
  30 LayerTreePixelTest::LayerTreePixelTest()
  31     : pixel_comparator_(new ExactPixelComparator(true)),
  32       test_type_(PIXEL_TEST_GL),
  33       pending_texture_mailbox_callbacks_(0) {
  34 }
  35
  36 LayerTreePixelTest::~LayerTreePixelTest() {}
  37
  38 scoped_ptr<OutputSurface> LayerTreePixelTest::CreateOutputSurface() {
  39   gfx::Size surface_expansion_size(40, 60);
  40   scoped_ptr<PixelTestOutputSurface> output_surface;
  41
  42   switch (test_type_) {
  43     case PIXEL_TEST_SOFTWARE: {
  44       scoped_ptr<PixelTestSoftwareOutputDevice> software_output_device(
  45           new PixelTestSoftwareOutputDevice);
  46       software_output_device->set_surface_expansion_size(
  47           surface_expansion_size);
  48       output_surface = make_scoped_ptr(
  49           new PixelTestOutputSurface(software_output_device.Pass()));
  50       break;
  51     }
  52     case PIXEL_TEST_GL: {
  53       bool flipped_output_surface = false;
  54       output_surface = make_scoped_ptr(new PixelTestOutputSurface(
  55           new TestInProcessContextProvider, new TestInProcessContextProvider,
  56           flipped_output_surface));
  57       break;
  58     }
  59   }
  60
  61   output_surface->set_surface_expansion_size(surface_expansion_size);
  62   return output_surface.Pass();
  63 }
  64
  65 void LayerTreePixelTest::WillActivateTreeOnThread(LayerTreeHostImpl* impl) {
  66   if (impl->sync_tree()->source_frame_number() != 0)
  67     return;
  68
  69   DirectRenderer* renderer = static_cast<DirectRenderer*>(impl->renderer());
  70   renderer->SetEnlargePassTextureAmountForTesting(enlarge_texture_amount_);
  71
  72   gfx::Rect viewport = impl->DeviceViewport();
  73   // The viewport has a 0,0 origin without external influence.
  74   EXPECT_EQ(gfx::Point().ToString(), viewport.origin().ToString());
  75   // Be that influence!
  76   viewport += gfx::Vector2d(20, 10);
  77   bool resourceless_software_draw = false;
  78   gfx::Transform identity = gfx::Transform();
  79   impl->SetExternalDrawConstraints(identity,
  80                                    viewport,
  81                                    viewport,
  82                                    viewport,
  83                                    identity,
  84                                    resourceless_software_draw);
  85   EXPECT_EQ(viewport.ToString(), impl->DeviceViewport().ToString());
  86 }
  87
  88 scoped_ptr<CopyOutputRequest> LayerTreePixelTest::CreateCopyOutputRequest() {
  89   return CopyOutputRequest::CreateBitmapRequest(
  90       base::Bind(&LayerTreePixelTest::ReadbackResult, base::Unretained(this)));
  91 }
  92
  93 void LayerTreePixelTest::ReadbackResult(scoped_ptr<CopyOutputResult> result) {
  94   ASSERT_TRUE(result->HasBitmap());
  95   result_bitmap_ = result->TakeBitmap().Pass();
  96   EndTest();
  97 }
  98
  99 void LayerTreePixelTest::BeginTest() {
 100   Layer* target = readback_target_ ? readback_target_
 101                                    : layer_tree_host()->root_layer();
 102   target->RequestCopyOfOutput(CreateCopyOutputRequest().Pass());
 103   PostSetNeedsCommitToMainThread();
 104 }
 105
 106 void LayerTreePixelTest::AfterTest() {
 107   base::FilePath test_data_dir;
 108   EXPECT_TRUE(PathService::Get(CCPaths::DIR_TEST_DATA, &test_data_dir));
 109   base::FilePath ref_file_path = test_data_dir.Append(ref_file_);
 110
 111   base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
 112   if (cmd->HasSwitch(switches::kCCRebaselinePixeltests))
 113     EXPECT_TRUE(WritePNGFile(*result_bitmap_, ref_file_path, true));
 114   EXPECT_TRUE(MatchesPNGFile(*result_bitmap_,
 115                              ref_file_path,
 116                              *pixel_comparator_));
 117 }
 118
 119 scoped_refptr<SolidColorLayer> LayerTreePixelTest::CreateSolidColorLayer(
 120     const gfx::Rect& rect, SkColor color) {
 121   scoped_refptr<SolidColorLayer> layer =
 122       SolidColorLayer::Create(layer_settings());
 123   layer->SetIsDrawable(true);
 124   layer->SetBounds(rect.size());
 125   layer->SetPosition(rect.origin());
 126   layer->SetBackgroundColor(color);
 127   return layer;
 128 }
 129
 130 void LayerTreePixelTest::EndTest() {
 131   // Drop TextureMailboxes on the main thread so that they can be cleaned up and
 132   // the pending callbacks will fire.
 133   for (size_t i = 0; i < texture_layers_.size(); ++i) {
 134     texture_layers_[i]->SetTextureMailbox(TextureMailbox(), nullptr);
 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 =
 180       TextureLayer::CreateForMailbox(layer_settings(), NULL);
 181   layer->SetIsDrawable(true);
 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   bool threaded = true;
 205   RunTest(threaded, false);
 206 }
 207
 208 void LayerTreePixelTest::RunSingleThreadedPixelTest(
 209     PixelTestType test_type,
 210     scoped_refptr<Layer> content_root,
 211     base::FilePath file_name) {
 212   test_type_ = test_type;
 213   content_root_ = content_root;
 214   readback_target_ = NULL;
 215   ref_file_ = file_name;
 216   bool threaded = false;
 217   RunTest(threaded, false);
 218 }
 219
 220 void LayerTreePixelTest::RunPixelTestWithReadbackTarget(
 221     PixelTestType test_type,
 222     scoped_refptr<Layer> content_root,
 223     Layer* target,
 224     base::FilePath file_name) {
 225   test_type_ = test_type;
 226   content_root_ = content_root;
 227   readback_target_ = target;
 228   ref_file_ = file_name;
 229   RunTest(true, false);
 230 }
 231
 232 void LayerTreePixelTest::SetupTree() {
 233   scoped_refptr<Layer> root = Layer::Create(layer_settings());
 234   root->SetBounds(content_root_->bounds());
 235   root->AddChild(content_root_);
 236   layer_tree_host()->SetRootLayer(root);
 237   LayerTreeTest::SetupTree();
 238 }
 239
 240 scoped_ptr<SkBitmap> LayerTreePixelTest::CopyTextureMailboxToBitmap(
 241     const gfx::Size& size,
 242     const TextureMailbox& texture_mailbox) {
 243   DCHECK(texture_mailbox.IsTexture());
 244   if (!texture_mailbox.IsTexture())
 245     return nullptr;
 246
 247   scoped_ptr<gpu::GLInProcessContext> context = CreateTestInProcessContext();
 248   GLES2Interface* gl = context->GetImplementation();
 249
 250   if (texture_mailbox.sync_point())
 251     gl->WaitSyncPointCHROMIUM(texture_mailbox.sync_point());
 252
 253   GLuint texture_id = 0;
 254   gl->GenTextures(1, &texture_id);
 255   gl->BindTexture(GL_TEXTURE_2D, texture_id);
 256   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 257   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 258   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 259   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 260   gl->ConsumeTextureCHROMIUM(texture_mailbox.target(), texture_mailbox.name());
 261   gl->BindTexture(GL_TEXTURE_2D, 0);
 262
 263   GLuint fbo = 0;
 264   gl->GenFramebuffers(1, &fbo);
 265   gl->BindFramebuffer(GL_FRAMEBUFFER, fbo);
 266   gl->FramebufferTexture2D(
 267       GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture_id, 0);
 268   EXPECT_EQ(static_cast<unsigned>(GL_FRAMEBUFFER_COMPLETE),
 269             gl->CheckFramebufferStatus(GL_FRAMEBUFFER));
 270
 271   scoped_ptr<uint8[]> pixels(new uint8[size.GetArea() * 4]);
 272   gl->ReadPixels(0,
 273                  0,
 274                  size.width(),
 275                  size.height(),
 276                  GL_RGBA,
 277                  GL_UNSIGNED_BYTE,
 278                  pixels.get());
 279
 280   gl->DeleteFramebuffers(1, &fbo);
 281   gl->DeleteTextures(1, &texture_id);
 282
 283   scoped_ptr<SkBitmap> bitmap(new SkBitmap);
 284   bitmap->allocN32Pixels(size.width(), size.height());
 285
 286   uint8* out_pixels = static_cast<uint8*>(bitmap->getPixels());
 287
 288   size_t row_bytes = size.width() * 4;
 289   size_t total_bytes = size.height() * row_bytes;
 290   for (size_t dest_y = 0; dest_y < total_bytes; dest_y += row_bytes) {
 291     // Flip Y axis.
 292     size_t src_y = total_bytes - dest_y - row_bytes;
 293     // Swizzle OpenGL -> Skia byte order.
 294     for (size_t x = 0; x < row_bytes; x += 4) {
 295       out_pixels[dest_y + x + SK_R32_SHIFT/8] = pixels.get()[src_y + x + 0];
 296       out_pixels[dest_y + x + SK_G32_SHIFT/8] = pixels.get()[src_y + x + 1];
 297       out_pixels[dest_y + x + SK_B32_SHIFT/8] = pixels.get()[src_y + x + 2];
 298       out_pixels[dest_y + x + SK_A32_SHIFT/8] = pixels.get()[src_y + x + 3];
 299     }
 300   }
 301
 302   return bitmap.Pass();
 303 }
 304
 305 void LayerTreePixelTest::ReleaseTextureMailbox(
 306     scoped_ptr<gpu::GLInProcessContext> context,
 307     uint32 texture,
 308     uint32 sync_point,
 309     bool lost_resource) {
 310   GLES2Interface* gl = context->GetImplementation();
 311   if (sync_point)
 312     gl->WaitSyncPointCHROMIUM(sync_point);
 313   gl->DeleteTextures(1, &texture);
 314   pending_texture_mailbox_callbacks_--;
 315   TryEndTest();
 316 }
 317
 318 void LayerTreePixelTest::CopyBitmapToTextureMailboxAsTexture(
 319     const SkBitmap& bitmap,
 320     TextureMailbox* texture_mailbox,
 321     scoped_ptr<SingleReleaseCallback>* release_callback) {
 322   DCHECK_GT(bitmap.width(), 0);
 323   DCHECK_GT(bitmap.height(), 0);
 324
 325   scoped_ptr<gpu::GLInProcessContext> context = CreateTestInProcessContext();
 326   GLES2Interface* gl = context->GetImplementation();
 327
 328   GLuint texture_id = 0;
 329   gl->GenTextures(1, &texture_id);
 330   gl->BindTexture(GL_TEXTURE_2D, texture_id);
 331   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 332   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 333   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 334   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 335
 336   DCHECK_EQ(kN32_SkColorType, bitmap.colorType());
 337
 338   {
 339     SkAutoLockPixels lock(bitmap);
 340
 341     size_t row_bytes = bitmap.width() * 4;
 342     size_t total_bytes = bitmap.height() * row_bytes;
 343
 344     scoped_ptr<uint8[]> gl_pixels(new uint8[total_bytes]);
 345     uint8* bitmap_pixels = static_cast<uint8*>(bitmap.getPixels());
 346
 347     for (size_t y = 0; y < total_bytes; y += row_bytes) {
 348       // Flip Y axis.
 349       size_t src_y = total_bytes - y - row_bytes;
 350       // Swizzle Skia -> OpenGL byte order.
 351       for (size_t x = 0; x < row_bytes; x += 4) {
 352         gl_pixels.get()[y + x + 0] = bitmap_pixels[src_y + x + SK_R32_SHIFT/8];
 353         gl_pixels.get()[y + x + 1] = bitmap_pixels[src_y + x + SK_G32_SHIFT/8];
 354         gl_pixels.get()[y + x + 2] = bitmap_pixels[src_y + x + SK_B32_SHIFT/8];
 355         gl_pixels.get()[y + x + 3] = bitmap_pixels[src_y + x + SK_A32_SHIFT/8];
 356       }
 357     }
 358
 359     gl->TexImage2D(GL_TEXTURE_2D,
 360                    0,
 361                    GL_RGBA,
 362                    bitmap.width(),
 363                    bitmap.height(),
 364                    0,
 365                    GL_RGBA,
 366                    GL_UNSIGNED_BYTE,
 367                    gl_pixels.get());
 368   }
 369
 370   gpu::Mailbox mailbox;
 371   gl->GenMailboxCHROMIUM(mailbox.name);
 372   gl->ProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox.name);
 373   gl->BindTexture(GL_TEXTURE_2D, 0);
 374   uint32 sync_point = gl->InsertSyncPointCHROMIUM();
 375
 376   *texture_mailbox = TextureMailbox(mailbox, GL_TEXTURE_2D, sync_point);
 377   *release_callback = SingleReleaseCallback::Create(
 378       base::Bind(&LayerTreePixelTest::ReleaseTextureMailbox,
 379                  base::Unretained(this),
 380                  base::Passed(&context),
 381                  texture_id));
 382 }
 383
 384 void LayerTreePixelTest::Finish() {
 385   scoped_ptr<gpu::GLInProcessContext> context = CreateTestInProcessContext();
 386   GLES2Interface* gl = context->GetImplementation();
 387   gl->Finish();
 388 }
 389
 390 }  // namespace cc