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| 1 // Copyright 2014 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 "base/json/json_reader.h" | |
| 6 #include "base/memory/ref_counted_memory.h" | |
| 7 #include "base/run_loop.h" | |
| 8 #include "base/strings/stringprintf.h" | |
| 9 #include "base/test/launcher/unit_test_launcher.h" | |
| 10 #include "base/test/test_suite.h" | |
| 11 #include "content/browser/compositor/gl_helper.h" | |
| 12 #include "gpu/command_buffer/client/gl_in_process_context.h" | |
| 13 #include "gpu/command_buffer/client/gles2_implementation.h" | |
| 14 #include "gpu/command_buffer/client/shared_memory_limits.h" | |
| 15 #include "media/base/video_frame.h" | |
| 16 #include "media/base/video_util.h" | |
| 17 #include "testing/gtest/include/gtest/gtest.h" | |
| 18 #include "third_party/skia/include/core/SkBitmap.h" | |
| 19 #include "ui/gl/gl_implementation.h" | |
| 20 | |
| 21 namespace content { | |
| 22 | |
| 23 namespace { | |
| 24 | |
| 25 int kYUVReadbackSizes[] = {2, 4, 14}; | |
| 26 } | |
| 27 | |
| 28 class YUVReadbackTest : public testing::Test { | |
| 29 protected: | |
| 30 void SetUp() override { | |
| 31 gpu::gles2::ContextCreationAttribHelper attributes; | |
| 32 attributes.alpha_size = 8; | |
| 33 attributes.depth_size = 24; | |
| 34 attributes.red_size = 8; | |
| 35 attributes.green_size = 8; | |
| 36 attributes.blue_size = 8; | |
| 37 attributes.stencil_size = 8; | |
| 38 attributes.samples = 4; | |
| 39 attributes.sample_buffers = 1; | |
| 40 attributes.bind_generates_resource = false; | |
| 41 | |
| 42 context_.reset(gpu::GLInProcessContext::Create( | |
| 43 nullptr, /* service */ | |
| 44 nullptr, /* surface */ | |
| 45 true, /* offscreen */ | |
| 46 gfx::kNullAcceleratedWidget, /* window */ | |
| 47 gfx::Size(1, 1), /* size */ | |
| 48 nullptr, /* share_context */ | |
| 49 attributes, gfx::PreferDiscreteGpu, gpu::SharedMemoryLimits(), | |
| 50 nullptr, /* gpu_memory_buffer_manager */ | |
| 51 nullptr /* image_factory */)); | |
| 52 gl_ = context_->GetImplementation(); | |
| 53 gpu::ContextSupport* support = context_->GetImplementation(); | |
| 54 | |
| 55 helper_.reset(new content::GLHelper(gl_, support)); | |
| 56 } | |
| 57 | |
| 58 void TearDown() override { | |
| 59 helper_.reset(NULL); | |
| 60 context_.reset(NULL); | |
| 61 } | |
| 62 | |
| 63 void StartTracing(const std::string& filter) { | |
| 64 base::trace_event::TraceLog::GetInstance()->SetEnabled( | |
| 65 base::trace_event::TraceConfig(filter, | |
| 66 base::trace_event::RECORD_UNTIL_FULL), | |
| 67 base::trace_event::TraceLog::RECORDING_MODE); | |
| 68 } | |
| 69 | |
| 70 static void TraceDataCB( | |
| 71 const base::Callback<void()>& callback, | |
| 72 std::string* output, | |
| 73 const scoped_refptr<base::RefCountedString>& json_events_str, | |
| 74 bool has_more_events) { | |
| 75 if (output->size() > 1 && !json_events_str->data().empty()) { | |
| 76 output->append(","); | |
| 77 } | |
| 78 output->append(json_events_str->data()); | |
| 79 if (!has_more_events) { | |
| 80 callback.Run(); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 // End tracing, return tracing data in a simple map | |
| 85 // of event name->counts. | |
| 86 void EndTracing(std::map<std::string, int>* event_counts) { | |
| 87 std::string json_data = "["; | |
| 88 base::trace_event::TraceLog::GetInstance()->SetDisabled(); | |
| 89 base::RunLoop run_loop; | |
| 90 base::trace_event::TraceLog::GetInstance()->Flush( | |
| 91 base::Bind(&YUVReadbackTest::TraceDataCB, run_loop.QuitClosure(), | |
| 92 base::Unretained(&json_data))); | |
| 93 run_loop.Run(); | |
| 94 json_data.append("]"); | |
| 95 | |
| 96 std::string error_msg; | |
| 97 std::unique_ptr<base::Value> trace_data = | |
| 98 base::JSONReader::ReadAndReturnError(json_data, 0, NULL, &error_msg); | |
| 99 CHECK(trace_data) << "JSON parsing failed (" << error_msg | |
| 100 << ") JSON data:" << std::endl | |
| 101 << json_data; | |
| 102 | |
| 103 base::ListValue* list; | |
| 104 CHECK(trace_data->GetAsList(&list)); | |
| 105 for (size_t i = 0; i < list->GetSize(); i++) { | |
| 106 base::Value* item = NULL; | |
| 107 if (list->Get(i, &item)) { | |
| 108 base::DictionaryValue* dict; | |
| 109 CHECK(item->GetAsDictionary(&dict)); | |
| 110 std::string name; | |
| 111 CHECK(dict->GetString("name", &name)); | |
| 112 std::string trace_type; | |
| 113 CHECK(dict->GetString("ph", &trace_type)); | |
| 114 // Count all except END traces, as they come in BEGIN/END pairs. | |
| 115 if (trace_type != "E" && trace_type != "e") | |
| 116 (*event_counts)[name]++; | |
| 117 VLOG(1) << "trace name: " << name; | |
| 118 } | |
| 119 } | |
| 120 } | |
| 121 | |
| 122 // Look up a single channel value. Works for 4-channel and single channel | |
| 123 // bitmaps. Clamp x/y. | |
| 124 int Channel(SkBitmap* pixels, int x, int y, int c) { | |
| 125 if (pixels->bytesPerPixel() == 4) { | |
| 126 uint32_t* data = | |
| 127 pixels->getAddr32(std::max(0, std::min(x, pixels->width() - 1)), | |
| 128 std::max(0, std::min(y, pixels->height() - 1))); | |
| 129 return (*data) >> (c * 8) & 0xff; | |
| 130 } else { | |
| 131 DCHECK_EQ(pixels->bytesPerPixel(), 1); | |
| 132 DCHECK_EQ(c, 0); | |
| 133 return *pixels->getAddr8(std::max(0, std::min(x, pixels->width() - 1)), | |
| 134 std::max(0, std::min(y, pixels->height() - 1))); | |
| 135 } | |
| 136 } | |
| 137 | |
| 138 // Set a single channel value. Works for 4-channel and single channel | |
| 139 // bitmaps. Clamp x/y. | |
| 140 void SetChannel(SkBitmap* pixels, int x, int y, int c, int v) { | |
| 141 DCHECK_GE(x, 0); | |
| 142 DCHECK_GE(y, 0); | |
| 143 DCHECK_LT(x, pixels->width()); | |
| 144 DCHECK_LT(y, pixels->height()); | |
| 145 if (pixels->bytesPerPixel() == 4) { | |
| 146 uint32_t* data = pixels->getAddr32(x, y); | |
| 147 v = std::max(0, std::min(v, 255)); | |
| 148 *data = (*data & ~(0xffu << (c * 8))) | (v << (c * 8)); | |
| 149 } else { | |
| 150 DCHECK_EQ(pixels->bytesPerPixel(), 1); | |
| 151 DCHECK_EQ(c, 0); | |
| 152 uint8_t* data = pixels->getAddr8(x, y); | |
| 153 v = std::max(0, std::min(v, 255)); | |
| 154 *data = v; | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 // Print all the R, G, B or A values from an SkBitmap in a | |
| 159 // human-readable format. | |
| 160 void PrintChannel(SkBitmap* pixels, int c) { | |
| 161 for (int y = 0; y < pixels->height(); y++) { | |
| 162 std::string formatted; | |
| 163 for (int x = 0; x < pixels->width(); x++) { | |
| 164 formatted.append(base::StringPrintf("%3d, ", Channel(pixels, x, y, c))); | |
| 165 } | |
| 166 LOG(ERROR) << formatted; | |
| 167 } | |
| 168 } | |
| 169 | |
| 170 // Get a single R, G, B or A value as a float. | |
| 171 float ChannelAsFloat(SkBitmap* pixels, int x, int y, int c) { | |
| 172 return Channel(pixels, x, y, c) / 255.0; | |
| 173 } | |
| 174 | |
| 175 // Works like a GL_LINEAR lookup on an SkBitmap. | |
| 176 float Bilinear(SkBitmap* pixels, float x, float y, int c) { | |
| 177 x -= 0.5; | |
| 178 y -= 0.5; | |
| 179 int base_x = static_cast<int>(floorf(x)); | |
| 180 int base_y = static_cast<int>(floorf(y)); | |
| 181 x -= base_x; | |
| 182 y -= base_y; | |
| 183 return (ChannelAsFloat(pixels, base_x, base_y, c) * (1 - x) * (1 - y) + | |
| 184 ChannelAsFloat(pixels, base_x + 1, base_y, c) * x * (1 - y) + | |
| 185 ChannelAsFloat(pixels, base_x, base_y + 1, c) * (1 - x) * y + | |
| 186 ChannelAsFloat(pixels, base_x + 1, base_y + 1, c) * x * y); | |
| 187 } | |
| 188 | |
| 189 void FlipSKBitmap(SkBitmap* bitmap) { | |
| 190 int bpp = bitmap->bytesPerPixel(); | |
| 191 DCHECK(bpp == 4 || bpp == 1); | |
| 192 int top_line = 0; | |
| 193 int bottom_line = bitmap->height() - 1; | |
| 194 while (top_line < bottom_line) { | |
| 195 for (int x = 0; x < bitmap->width(); x++) { | |
| 196 bpp == 4 ? std::swap(*bitmap->getAddr32(x, top_line), | |
| 197 *bitmap->getAddr32(x, bottom_line)) | |
| 198 : std::swap(*bitmap->getAddr8(x, top_line), | |
| 199 *bitmap->getAddr8(x, bottom_line)); | |
| 200 } | |
| 201 top_line++; | |
| 202 bottom_line--; | |
| 203 } | |
| 204 } | |
| 205 | |
| 206 // Note: Left/Right means Top/Bottom when used for Y dimension. | |
| 207 enum Margin { | |
| 208 MarginLeft, | |
| 209 MarginMiddle, | |
| 210 MarginRight, | |
| 211 MarginInvalid, | |
| 212 }; | |
| 213 | |
| 214 static Margin NextMargin(Margin m) { | |
| 215 switch (m) { | |
| 216 case MarginLeft: | |
| 217 return MarginMiddle; | |
| 218 case MarginMiddle: | |
| 219 return MarginRight; | |
| 220 case MarginRight: | |
| 221 return MarginInvalid; | |
| 222 default: | |
| 223 return MarginInvalid; | |
| 224 } | |
| 225 } | |
| 226 | |
| 227 int compute_margin(int insize, int outsize, Margin m) { | |
| 228 int available = outsize - insize; | |
| 229 switch (m) { | |
| 230 default: | |
| 231 EXPECT_TRUE(false) << "This should not happen."; | |
| 232 return 0; | |
| 233 case MarginLeft: | |
| 234 return 0; | |
| 235 case MarginMiddle: | |
| 236 return (available / 2) & ~1; | |
| 237 case MarginRight: | |
| 238 return available; | |
| 239 } | |
| 240 } | |
| 241 | |
| 242 // Convert 0.0 - 1.0 to 0 - 255 | |
| 243 int float_to_byte(float v) { | |
| 244 int ret = static_cast<int>(floorf(v * 255.0f + 0.5f)); | |
| 245 if (ret < 0) { | |
| 246 return 0; | |
| 247 } | |
| 248 if (ret > 255) { | |
| 249 return 255; | |
| 250 } | |
| 251 return ret; | |
| 252 } | |
| 253 | |
| 254 static void callcallback(const base::Callback<void()>& callback, | |
| 255 bool result) { | |
| 256 callback.Run(); | |
| 257 } | |
| 258 | |
| 259 void PrintPlane(unsigned char* plane, int xsize, int stride, int ysize) { | |
| 260 for (int y = 0; y < ysize; y++) { | |
| 261 std::string formatted; | |
| 262 for (int x = 0; x < xsize; x++) { | |
| 263 formatted.append(base::StringPrintf("%3d, ", plane[y * stride + x])); | |
| 264 } | |
| 265 LOG(ERROR) << formatted << " (" << (plane + y * stride) << ")"; | |
| 266 } | |
| 267 } | |
| 268 | |
| 269 // Compare two planes make sure that each component of each pixel | |
| 270 // is no more than |maxdiff| apart. | |
| 271 void ComparePlane(unsigned char* truth, | |
| 272 int truth_stride, | |
| 273 unsigned char* other, | |
| 274 int other_stride, | |
| 275 int maxdiff, | |
| 276 int xsize, | |
| 277 int ysize, | |
| 278 SkBitmap* source, | |
| 279 std::string message) { | |
| 280 for (int x = 0; x < xsize; x++) { | |
| 281 for (int y = 0; y < ysize; y++) { | |
| 282 int a = other[y * other_stride + x]; | |
| 283 int b = truth[y * truth_stride + x]; | |
| 284 EXPECT_NEAR(a, b, maxdiff) << " x=" << x << " y=" << y << " " | |
| 285 << message; | |
| 286 if (std::abs(a - b) > maxdiff) { | |
| 287 LOG(ERROR) << "-------expected--------"; | |
| 288 PrintPlane(truth, xsize, truth_stride, ysize); | |
| 289 LOG(ERROR) << "-------actual--------"; | |
| 290 PrintPlane(other, xsize, other_stride, ysize); | |
| 291 if (source) { | |
| 292 LOG(ERROR) << "-------before yuv conversion: red--------"; | |
| 293 PrintChannel(source, 0); | |
| 294 LOG(ERROR) << "-------before yuv conversion: green------"; | |
| 295 PrintChannel(source, 1); | |
| 296 LOG(ERROR) << "-------before yuv conversion: blue-------"; | |
| 297 PrintChannel(source, 2); | |
| 298 } | |
| 299 return; | |
| 300 } | |
| 301 } | |
| 302 } | |
| 303 } | |
| 304 | |
| 305 // YUV readback test. Create a test pattern, convert to YUV | |
| 306 // with reference implementation and compare to what gl_helper | |
| 307 // returns. | |
| 308 void TestYUVReadback(int xsize, | |
| 309 int ysize, | |
| 310 int output_xsize, | |
| 311 int output_ysize, | |
| 312 int xmargin, | |
| 313 int ymargin, | |
| 314 int test_pattern, | |
| 315 bool flip, | |
| 316 bool use_mrt, | |
| 317 content::GLHelper::ScalerQuality quality) { | |
| 318 GLuint src_texture; | |
| 319 gl_->GenTextures(1, &src_texture); | |
| 320 SkBitmap input_pixels; | |
| 321 input_pixels.allocN32Pixels(xsize, ysize); | |
| 322 | |
| 323 for (int x = 0; x < xsize; ++x) { | |
| 324 for (int y = 0; y < ysize; ++y) { | |
| 325 switch (test_pattern) { | |
| 326 case 0: // Smooth test pattern | |
| 327 SetChannel(&input_pixels, x, y, 0, x * 10); | |
| 328 SetChannel(&input_pixels, x, y, 1, y * 10); | |
| 329 SetChannel(&input_pixels, x, y, 2, (x + y) * 10); | |
| 330 SetChannel(&input_pixels, x, y, 3, 255); | |
| 331 break; | |
| 332 case 1: // Small blocks | |
| 333 SetChannel(&input_pixels, x, y, 0, x & 1 ? 255 : 0); | |
| 334 SetChannel(&input_pixels, x, y, 1, y & 1 ? 255 : 0); | |
| 335 SetChannel(&input_pixels, x, y, 2, (x + y) & 1 ? 255 : 0); | |
| 336 SetChannel(&input_pixels, x, y, 3, 255); | |
| 337 break; | |
| 338 case 2: // Medium blocks | |
| 339 SetChannel(&input_pixels, x, y, 0, 10 + x / 2 * 50); | |
| 340 SetChannel(&input_pixels, x, y, 1, 10 + y / 3 * 50); | |
| 341 SetChannel(&input_pixels, x, y, 2, (x + y) / 5 * 50 + 5); | |
| 342 SetChannel(&input_pixels, x, y, 3, 255); | |
| 343 break; | |
| 344 } | |
| 345 } | |
| 346 } | |
| 347 | |
| 348 gl_->BindTexture(GL_TEXTURE_2D, src_texture); | |
| 349 gl_->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, xsize, ysize, 0, GL_RGBA, | |
| 350 GL_UNSIGNED_BYTE, input_pixels.getPixels()); | |
| 351 | |
| 352 gpu::Mailbox mailbox; | |
| 353 gl_->GenMailboxCHROMIUM(mailbox.name); | |
| 354 EXPECT_FALSE(mailbox.IsZero()); | |
| 355 gl_->ProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox.name); | |
| 356 const GLuint64 fence_sync = gl_->InsertFenceSyncCHROMIUM(); | |
| 357 gl_->ShallowFlushCHROMIUM(); | |
| 358 | |
| 359 gpu::SyncToken sync_token; | |
| 360 gl_->GenSyncTokenCHROMIUM(fence_sync, sync_token.GetData()); | |
| 361 | |
| 362 std::string message = base::StringPrintf( | |
| 363 "input size: %dx%d " | |
| 364 "output size: %dx%d " | |
| 365 "margin: %dx%d " | |
| 366 "pattern: %d %s %s", | |
| 367 xsize, ysize, output_xsize, output_ysize, xmargin, ymargin, | |
| 368 test_pattern, flip ? "flip" : "noflip", flip ? "mrt" : "nomrt"); | |
| 369 std::unique_ptr<ReadbackYUVInterface> yuv_reader( | |
| 370 helper_->CreateReadbackPipelineYUV( | |
| 371 quality, gfx::Size(xsize, ysize), gfx::Rect(0, 0, xsize, ysize), | |
| 372 gfx::Size(xsize, ysize), flip, use_mrt)); | |
| 373 | |
| 374 scoped_refptr<media::VideoFrame> output_frame = | |
| 375 media::VideoFrame::CreateFrame( | |
| 376 media::PIXEL_FORMAT_YV12, | |
| 377 // The coded size of the output frame is rounded up to the next | |
| 378 // 16-byte boundary. This tests that the readback is being | |
| 379 // positioned inside the frame's visible region, and not dependent | |
| 380 // on its coded size. | |
| 381 gfx::Size((output_xsize + 15) & ~15, (output_ysize + 15) & ~15), | |
| 382 gfx::Rect(0, 0, output_xsize, output_ysize), | |
| 383 gfx::Size(output_xsize, output_ysize), | |
| 384 base::TimeDelta::FromSeconds(0)); | |
| 385 scoped_refptr<media::VideoFrame> truth_frame = | |
| 386 media::VideoFrame::CreateFrame( | |
| 387 media::PIXEL_FORMAT_YV12, gfx::Size(output_xsize, output_ysize), | |
| 388 gfx::Rect(0, 0, output_xsize, output_ysize), | |
| 389 gfx::Size(output_xsize, output_ysize), | |
| 390 base::TimeDelta::FromSeconds(0)); | |
| 391 | |
| 392 base::RunLoop run_loop; | |
| 393 yuv_reader->ReadbackYUV(mailbox, sync_token, output_frame->visible_rect(), | |
| 394 output_frame->stride(media::VideoFrame::kYPlane), | |
| 395 output_frame->data(media::VideoFrame::kYPlane), | |
| 396 output_frame->stride(media::VideoFrame::kUPlane), | |
| 397 output_frame->data(media::VideoFrame::kUPlane), | |
| 398 output_frame->stride(media::VideoFrame::kVPlane), | |
| 399 output_frame->data(media::VideoFrame::kVPlane), | |
| 400 gfx::Point(xmargin, ymargin), | |
| 401 base::Bind(&callcallback, run_loop.QuitClosure())); | |
| 402 | |
| 403 const gfx::Rect paste_rect(gfx::Point(xmargin, ymargin), | |
| 404 gfx::Size(xsize, ysize)); | |
| 405 media::LetterboxYUV(output_frame.get(), paste_rect); | |
| 406 run_loop.Run(); | |
| 407 | |
| 408 if (flip) { | |
| 409 FlipSKBitmap(&input_pixels); | |
| 410 } | |
| 411 | |
| 412 unsigned char* Y = truth_frame->visible_data(media::VideoFrame::kYPlane); | |
| 413 unsigned char* U = truth_frame->visible_data(media::VideoFrame::kUPlane); | |
| 414 unsigned char* V = truth_frame->visible_data(media::VideoFrame::kVPlane); | |
| 415 int32_t y_stride = truth_frame->stride(media::VideoFrame::kYPlane); | |
| 416 int32_t u_stride = truth_frame->stride(media::VideoFrame::kUPlane); | |
| 417 int32_t v_stride = truth_frame->stride(media::VideoFrame::kVPlane); | |
| 418 memset(Y, 0x00, y_stride * output_ysize); | |
| 419 memset(U, 0x80, u_stride * output_ysize / 2); | |
| 420 memset(V, 0x80, v_stride * output_ysize / 2); | |
| 421 | |
| 422 const float kRGBtoYColorWeights[] = {0.257f, 0.504f, 0.098f, 0.0625f}; | |
| 423 const float kRGBtoUColorWeights[] = {-0.148f, -0.291f, 0.439f, 0.5f}; | |
| 424 const float kRGBtoVColorWeights[] = {0.439f, -0.368f, -0.071f, 0.5f}; | |
| 425 | |
| 426 for (int y = 0; y < ysize; y++) { | |
| 427 for (int x = 0; x < xsize; x++) { | |
| 428 Y[(y + ymargin) * y_stride + x + xmargin] = float_to_byte( | |
| 429 ChannelAsFloat(&input_pixels, x, y, 0) * kRGBtoYColorWeights[0] + | |
| 430 ChannelAsFloat(&input_pixels, x, y, 1) * kRGBtoYColorWeights[1] + | |
| 431 ChannelAsFloat(&input_pixels, x, y, 2) * kRGBtoYColorWeights[2] + | |
| 432 kRGBtoYColorWeights[3]); | |
| 433 } | |
| 434 } | |
| 435 | |
| 436 for (int y = 0; y < ysize / 2; y++) { | |
| 437 for (int x = 0; x < xsize / 2; x++) { | |
| 438 U[(y + ymargin / 2) * u_stride + x + xmargin / 2] = | |
| 439 float_to_byte(Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 0) * | |
| 440 kRGBtoUColorWeights[0] + | |
| 441 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 1) * | |
| 442 kRGBtoUColorWeights[1] + | |
| 443 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 2) * | |
| 444 kRGBtoUColorWeights[2] + | |
| 445 kRGBtoUColorWeights[3]); | |
| 446 V[(y + ymargin / 2) * v_stride + x + xmargin / 2] = | |
| 447 float_to_byte(Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 0) * | |
| 448 kRGBtoVColorWeights[0] + | |
| 449 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 1) * | |
| 450 kRGBtoVColorWeights[1] + | |
| 451 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 2) * | |
| 452 kRGBtoVColorWeights[2] + | |
| 453 kRGBtoVColorWeights[3]); | |
| 454 } | |
| 455 } | |
| 456 | |
| 457 ComparePlane( | |
| 458 Y, y_stride, output_frame->visible_data(media::VideoFrame::kYPlane), | |
| 459 output_frame->stride(media::VideoFrame::kYPlane), 2, output_xsize, | |
| 460 output_ysize, &input_pixels, message + " Y plane"); | |
| 461 ComparePlane( | |
| 462 U, u_stride, output_frame->visible_data(media::VideoFrame::kUPlane), | |
| 463 output_frame->stride(media::VideoFrame::kUPlane), 2, output_xsize / 2, | |
| 464 output_ysize / 2, &input_pixels, message + " U plane"); | |
| 465 ComparePlane( | |
| 466 V, v_stride, output_frame->visible_data(media::VideoFrame::kVPlane), | |
| 467 output_frame->stride(media::VideoFrame::kVPlane), 2, output_xsize / 2, | |
| 468 output_ysize / 2, &input_pixels, message + " V plane"); | |
| 469 | |
| 470 gl_->DeleteTextures(1, &src_texture); | |
| 471 } | |
| 472 | |
| 473 std::unique_ptr<gpu::GLInProcessContext> context_; | |
| 474 gpu::gles2::GLES2Interface* gl_; | |
| 475 std::unique_ptr<content::GLHelper> helper_; | |
| 476 gfx::DisableNullDrawGLBindings enable_pixel_output_; | |
| 477 }; | |
| 478 | |
| 479 TEST_F(YUVReadbackTest, YUVReadbackOptTest) { | |
| 480 // This test uses the gpu.service/gpu_decoder tracing events to detect how | |
| 481 // many scaling passes are actually performed by the YUV readback pipeline. | |
| 482 StartTracing(TRACE_DISABLED_BY_DEFAULT( | |
| 483 "gpu.service") "," TRACE_DISABLED_BY_DEFAULT("gpu_decoder")); | |
| 484 | |
| 485 TestYUVReadback(800, 400, 800, 400, 0, 0, 1, false, true, | |
| 486 content::GLHelper::SCALER_QUALITY_FAST); | |
| 487 | |
| 488 std::map<std::string, int> event_counts; | |
| 489 EndTracing(&event_counts); | |
| 490 int draw_buffer_calls = event_counts["kDrawBuffersEXTImmediate"]; | |
| 491 int draw_arrays_calls = event_counts["kDrawArrays"]; | |
| 492 VLOG(1) << "Draw buffer calls: " << draw_buffer_calls; | |
| 493 VLOG(1) << "DrawArrays calls: " << draw_arrays_calls; | |
| 494 | |
| 495 if (draw_buffer_calls) { | |
| 496 // When using MRT, the YUV readback code should only | |
| 497 // execute two draw arrays, and scaling should be integrated | |
| 498 // into those two calls since we are using the FAST scalign | |
| 499 // quality. | |
| 500 EXPECT_EQ(2, draw_arrays_calls); | |
| 501 } else { | |
| 502 // When not using MRT, there are three passes for the YUV, | |
| 503 // and one for the scaling. | |
| 504 EXPECT_EQ(4, draw_arrays_calls); | |
| 505 } | |
| 506 } | |
| 507 | |
| 508 class YUVReadbackPixelTest | |
| 509 : public YUVReadbackTest, | |
| 510 public ::testing::WithParamInterface< | |
| 511 std::tr1::tuple<bool, bool, unsigned int, unsigned int>> {}; | |
| 512 | |
| 513 TEST_P(YUVReadbackPixelTest, Test) { | |
| 514 bool flip = std::tr1::get<0>(GetParam()); | |
| 515 bool use_mrt = std::tr1::get<1>(GetParam()); | |
| 516 unsigned int x = std::tr1::get<2>(GetParam()); | |
| 517 unsigned int y = std::tr1::get<3>(GetParam()); | |
| 518 | |
| 519 for (unsigned int ox = x; ox < arraysize(kYUVReadbackSizes); ox++) { | |
| 520 for (unsigned int oy = y; oy < arraysize(kYUVReadbackSizes); oy++) { | |
| 521 // If output is a subsection of the destination frame, (letterbox) | |
| 522 // then try different variations of where the subsection goes. | |
| 523 for (Margin xm = x < ox ? MarginLeft : MarginRight; xm <= MarginRight; | |
| 524 xm = NextMargin(xm)) { | |
| 525 for (Margin ym = y < oy ? MarginLeft : MarginRight; ym <= MarginRight; | |
| 526 ym = NextMargin(ym)) { | |
| 527 for (int pattern = 0; pattern < 3; pattern++) { | |
| 528 TestYUVReadback( | |
| 529 kYUVReadbackSizes[x], kYUVReadbackSizes[y], | |
| 530 kYUVReadbackSizes[ox], kYUVReadbackSizes[oy], | |
| 531 compute_margin(kYUVReadbackSizes[x], kYUVReadbackSizes[ox], xm), | |
| 532 compute_margin(kYUVReadbackSizes[y], kYUVReadbackSizes[oy], ym), | |
| 533 pattern, flip, use_mrt, content::GLHelper::SCALER_QUALITY_GOOD); | |
| 534 if (HasFailure()) { | |
| 535 return; | |
| 536 } | |
| 537 } | |
| 538 } | |
| 539 } | |
| 540 } | |
| 541 } | |
| 542 } | |
| 543 | |
| 544 // First argument is intentionally empty. | |
| 545 INSTANTIATE_TEST_CASE_P( | |
| 546 , | |
| 547 YUVReadbackPixelTest, | |
| 548 ::testing::Combine( | |
| 549 ::testing::Bool(), | |
| 550 ::testing::Bool(), | |
| 551 ::testing::Range<unsigned int>(0, arraysize(kYUVReadbackSizes)), | |
| 552 ::testing::Range<unsigned int>(0, arraysize(kYUVReadbackSizes)))); | |
| 553 | |
| 554 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1902463002:
Introduce components/display_compositor (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master