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| 1 // Copyright (c) 2012 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 <stdio.h> | |
| 6 #include <cmath> | |
| 7 #include <string> | |
| 8 #include <vector> | |
| 9 | |
| 10 #include <GLES2/gl2.h> | |
| 11 #include <GLES2/gl2ext.h> | |
| 12 #include <GLES2/gl2extchromium.h> | |
| 13 | |
| 14 #include "base/at_exit.h" | |
| 15 #include "base/bind.h" | |
| 16 #include "base/command_line.h" | |
| 17 #include "base/debug/trace_event.h" | |
| 18 #include "base/file_util.h" | |
| 19 #include "base/json/json_reader.h" | |
| 20 #include "base/message_loop/message_loop.h" | |
| 21 #include "base/run_loop.h" | |
| 22 #include "base/strings/stringprintf.h" | |
| 23 #include "base/synchronization/waitable_event.h" | |
| 24 #include "base/time/time.h" | |
| 25 #include "content/common/gpu/client/gl_helper.h" | |
| 26 #include "content/common/gpu/client/gl_helper_scaling.h" | |
| 27 #include "content/public/test/unittest_test_suite.h" | |
| 28 #include "content/test/content_test_suite.h" | |
| 29 #include "gpu/config/gpu_util.h" | |
| 30 #include "media/base/video_frame.h" | |
| 31 #include "testing/gtest/include/gtest/gtest.h" | |
| 32 #include "third_party/skia/include/core/SkBitmap.h" | |
| 33 #include "third_party/skia/include/core/SkTypes.h" | |
| 34 #include "ui/gl/gl_surface.h" | |
| 35 #include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.
h" | |
| 36 | |
| 37 #if defined(OS_MACOSX) | |
| 38 #include "base/mac/scoped_nsautorelease_pool.h" | |
| 39 #endif | |
| 40 | |
| 41 #if defined(TOOLKIT_GTK) | |
| 42 #include "ui/gfx/gtk_util.h" | |
| 43 #endif | |
| 44 | |
| 45 namespace content { | |
| 46 | |
| 47 using blink::WebGLId; | |
| 48 using blink::WebGraphicsContext3D; | |
| 49 using webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl; | |
| 50 | |
| 51 content::GLHelper::ScalerQuality kQualities[] = { | |
| 52 content::GLHelper::SCALER_QUALITY_BEST, | |
| 53 content::GLHelper::SCALER_QUALITY_GOOD, | |
| 54 content::GLHelper::SCALER_QUALITY_FAST, }; | |
| 55 | |
| 56 const char* kQualityNames[] = {"best", "good", "fast", }; | |
| 57 | |
| 58 class GLHelperTest : public testing::Test { | |
| 59 protected: | |
| 60 virtual void SetUp() { | |
| 61 WebGraphicsContext3D::Attributes attributes; | |
| 62 context_ = | |
| 63 WebGraphicsContext3DInProcessCommandBufferImpl::CreateOffscreenContext( | |
| 64 attributes); | |
| 65 context_->makeContextCurrent(); | |
| 66 context_support_ = context_->GetContextSupport(); | |
| 67 helper_.reset( | |
| 68 new content::GLHelper(context_->GetGLInterface(), context_support_)); | |
| 69 helper_scaling_.reset(new content::GLHelperScaling( | |
| 70 context_->GetGLInterface(), helper_.get())); | |
| 71 } | |
| 72 | |
| 73 virtual void TearDown() { | |
| 74 helper_scaling_.reset(NULL); | |
| 75 helper_.reset(NULL); | |
| 76 context_.reset(NULL); | |
| 77 } | |
| 78 | |
| 79 void StartTracing(const std::string& filter) { | |
| 80 base::debug::TraceLog::GetInstance()->SetEnabled( | |
| 81 base::debug::CategoryFilter(filter), | |
| 82 base::debug::TraceLog::RECORDING_MODE, | |
| 83 base::debug::TraceLog::RECORD_UNTIL_FULL); | |
| 84 } | |
| 85 | |
| 86 static void TraceDataCB( | |
| 87 const base::Callback<void()>& callback, | |
| 88 std::string* output, | |
| 89 const scoped_refptr<base::RefCountedString>& json_events_str, | |
| 90 bool has_more_events) { | |
| 91 if (output->size() > 1) { | |
| 92 output->append(","); | |
| 93 } | |
| 94 output->append(json_events_str->data()); | |
| 95 if (!has_more_events) { | |
| 96 callback.Run(); | |
| 97 } | |
| 98 } | |
| 99 | |
| 100 // End tracing, return tracing data in a simple map | |
| 101 // of event name->counts. | |
| 102 void EndTracing(std::map<std::string, int>* event_counts) { | |
| 103 std::string json_data = "["; | |
| 104 base::debug::TraceLog::GetInstance()->SetDisabled(); | |
| 105 base::RunLoop run_loop; | |
| 106 base::debug::TraceLog::GetInstance()->Flush( | |
| 107 base::Bind(&GLHelperTest::TraceDataCB, | |
| 108 run_loop.QuitClosure(), | |
| 109 base::Unretained(&json_data))); | |
| 110 run_loop.Run(); | |
| 111 json_data.append("]"); | |
| 112 | |
| 113 scoped_ptr<base::Value> trace_data(base::JSONReader::Read(json_data)); | |
| 114 base::ListValue* list; | |
| 115 CHECK(trace_data->GetAsList(&list)); | |
| 116 for (size_t i = 0; i < list->GetSize(); i++) { | |
| 117 base::Value* item = NULL; | |
| 118 if (list->Get(i, &item)) { | |
| 119 base::DictionaryValue* dict; | |
| 120 CHECK(item->GetAsDictionary(&dict)); | |
| 121 std::string name; | |
| 122 CHECK(dict->GetString("name", &name)); | |
| 123 (*event_counts)[name]++; | |
| 124 VLOG(1) << "trace name: " << name; | |
| 125 } | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 // Bicubic filter kernel function. | |
| 130 static float Bicubic(float x) { | |
| 131 const float a = -0.5; | |
| 132 x = std::abs(x); | |
| 133 float x2 = x * x; | |
| 134 float x3 = x2 * x; | |
| 135 if (x <= 1) { | |
| 136 return (a + 2) * x3 - (a + 3) * x2 + 1; | |
| 137 } else if (x < 2) { | |
| 138 return a * x3 - 5 * a * x2 + 8 * a * x - 4 * a; | |
| 139 } else { | |
| 140 return 0.0f; | |
| 141 } | |
| 142 } | |
| 143 | |
| 144 // Look up a single R/G/B/A value. | |
| 145 // Clamp x/y. | |
| 146 int Channel(SkBitmap* pixels, int x, int y, int c) { | |
| 147 uint32* data = | |
| 148 pixels->getAddr32(std::max(0, std::min(x, pixels->width() - 1)), | |
| 149 std::max(0, std::min(y, pixels->height() - 1))); | |
| 150 return (*data) >> (c * 8) & 0xff; | |
| 151 } | |
| 152 | |
| 153 // Set a single R/G/B/A value. | |
| 154 void SetChannel(SkBitmap* pixels, int x, int y, int c, int v) { | |
| 155 DCHECK_GE(x, 0); | |
| 156 DCHECK_GE(y, 0); | |
| 157 DCHECK_LT(x, pixels->width()); | |
| 158 DCHECK_LT(y, pixels->height()); | |
| 159 uint32* data = pixels->getAddr32(x, y); | |
| 160 v = std::max(0, std::min(v, 255)); | |
| 161 *data = (*data & ~(0xffu << (c * 8))) | (v << (c * 8)); | |
| 162 } | |
| 163 | |
| 164 // Print all the R, G, B or A values from an SkBitmap in a | |
| 165 // human-readable format. | |
| 166 void PrintChannel(SkBitmap* pixels, int c) { | |
| 167 for (int y = 0; y < pixels->height(); y++) { | |
| 168 std::string formatted; | |
| 169 for (int x = 0; x < pixels->width(); x++) { | |
| 170 formatted.append(base::StringPrintf("%3d, ", Channel(pixels, x, y, c))); | |
| 171 } | |
| 172 LOG(ERROR) << formatted; | |
| 173 } | |
| 174 } | |
| 175 | |
| 176 // Print out the individual steps of a scaler pipeline. | |
| 177 std::string PrintStages( | |
| 178 const std::vector<GLHelperScaling::ScalerStage>& scaler_stages) { | |
| 179 std::string ret; | |
| 180 for (size_t i = 0; i < scaler_stages.size(); i++) { | |
| 181 ret.append(base::StringPrintf("%dx%d -> %dx%d ", | |
| 182 scaler_stages[i].src_size.width(), | |
| 183 scaler_stages[i].src_size.height(), | |
| 184 scaler_stages[i].dst_size.width(), | |
| 185 scaler_stages[i].dst_size.height())); | |
| 186 bool xy_matters = false; | |
| 187 switch (scaler_stages[i].shader) { | |
| 188 case GLHelperScaling::SHADER_BILINEAR: | |
| 189 ret.append("bilinear"); | |
| 190 break; | |
| 191 case GLHelperScaling::SHADER_BILINEAR2: | |
| 192 ret.append("bilinear2"); | |
| 193 xy_matters = true; | |
| 194 break; | |
| 195 case GLHelperScaling::SHADER_BILINEAR3: | |
| 196 ret.append("bilinear3"); | |
| 197 xy_matters = true; | |
| 198 break; | |
| 199 case GLHelperScaling::SHADER_BILINEAR4: | |
| 200 ret.append("bilinear4"); | |
| 201 xy_matters = true; | |
| 202 break; | |
| 203 case GLHelperScaling::SHADER_BILINEAR2X2: | |
| 204 ret.append("bilinear2x2"); | |
| 205 break; | |
| 206 case GLHelperScaling::SHADER_BICUBIC_UPSCALE: | |
| 207 ret.append("bicubic upscale"); | |
| 208 xy_matters = true; | |
| 209 break; | |
| 210 case GLHelperScaling::SHADER_BICUBIC_HALF_1D: | |
| 211 ret.append("bicubic 1/2"); | |
| 212 xy_matters = true; | |
| 213 break; | |
| 214 case GLHelperScaling::SHADER_PLANAR: | |
| 215 ret.append("planar"); | |
| 216 break; | |
| 217 case GLHelperScaling::SHADER_YUV_MRT_PASS1: | |
| 218 ret.append("rgb2yuv pass 1"); | |
| 219 break; | |
| 220 case GLHelperScaling::SHADER_YUV_MRT_PASS2: | |
| 221 ret.append("rgb2yuv pass 2"); | |
| 222 break; | |
| 223 } | |
| 224 | |
| 225 if (xy_matters) { | |
| 226 if (scaler_stages[i].scale_x) { | |
| 227 ret.append(" X"); | |
| 228 } else { | |
| 229 ret.append(" Y"); | |
| 230 } | |
| 231 } | |
| 232 ret.append("\n"); | |
| 233 } | |
| 234 return ret; | |
| 235 } | |
| 236 | |
| 237 bool CheckScale(double scale, int samples, bool already_scaled) { | |
| 238 // 1:1 is valid if there is one sample. | |
| 239 if (samples == 1 && scale == 1.0) { | |
| 240 return true; | |
| 241 } | |
| 242 // Is it an exact down-scale (50%, 25%, etc.?) | |
| 243 if (scale == 2.0 * samples) { | |
| 244 return true; | |
| 245 } | |
| 246 // Upscales, only valid if we haven't already scaled in this dimension. | |
| 247 if (!already_scaled) { | |
| 248 // Is it a valid bilinear upscale? | |
| 249 if (samples == 1 && scale <= 1.0) { | |
| 250 return true; | |
| 251 } | |
| 252 // Multi-sample upscale-downscale combination? | |
| 253 if (scale > samples / 2.0 && scale < samples) { | |
| 254 return true; | |
| 255 } | |
| 256 } | |
| 257 return false; | |
| 258 } | |
| 259 | |
| 260 // Make sure that the stages of the scaler pipeline are sane. | |
| 261 void ValidateScalerStages( | |
| 262 content::GLHelper::ScalerQuality quality, | |
| 263 const std::vector<GLHelperScaling::ScalerStage>& scaler_stages, | |
| 264 const std::string& message) { | |
| 265 bool previous_error = HasFailure(); | |
| 266 // First, check that the input size for each stage is equal to | |
| 267 // the output size of the previous stage. | |
| 268 for (size_t i = 1; i < scaler_stages.size(); i++) { | |
| 269 EXPECT_EQ(scaler_stages[i - 1].dst_size.width(), | |
| 270 scaler_stages[i].src_size.width()); | |
| 271 EXPECT_EQ(scaler_stages[i - 1].dst_size.height(), | |
| 272 scaler_stages[i].src_size.height()); | |
| 273 EXPECT_EQ(scaler_stages[i].src_subrect.x(), 0); | |
| 274 EXPECT_EQ(scaler_stages[i].src_subrect.y(), 0); | |
| 275 EXPECT_EQ(scaler_stages[i].src_subrect.width(), | |
| 276 scaler_stages[i].src_size.width()); | |
| 277 EXPECT_EQ(scaler_stages[i].src_subrect.height(), | |
| 278 scaler_stages[i].src_size.height()); | |
| 279 } | |
| 280 | |
| 281 // Used to verify that up-scales are not attempted after some | |
| 282 // other scale. | |
| 283 bool scaled_x = false; | |
| 284 bool scaled_y = false; | |
| 285 | |
| 286 for (size_t i = 0; i < scaler_stages.size(); i++) { | |
| 287 // Note: 2.0 means scaling down by 50% | |
| 288 double x_scale = | |
| 289 static_cast<double>(scaler_stages[i].src_subrect.width()) / | |
| 290 static_cast<double>(scaler_stages[i].dst_size.width()); | |
| 291 double y_scale = | |
| 292 static_cast<double>(scaler_stages[i].src_subrect.height()) / | |
| 293 static_cast<double>(scaler_stages[i].dst_size.height()); | |
| 294 | |
| 295 int x_samples = 0; | |
| 296 int y_samples = 0; | |
| 297 | |
| 298 // Codify valid scale operations. | |
| 299 switch (scaler_stages[i].shader) { | |
| 300 case GLHelperScaling::SHADER_PLANAR: | |
| 301 case GLHelperScaling::SHADER_YUV_MRT_PASS1: | |
| 302 case GLHelperScaling::SHADER_YUV_MRT_PASS2: | |
| 303 EXPECT_TRUE(false) << "Invalid shader."; | |
| 304 break; | |
| 305 | |
| 306 case GLHelperScaling::SHADER_BILINEAR: | |
| 307 if (quality != content::GLHelper::SCALER_QUALITY_FAST) { | |
| 308 x_samples = 1; | |
| 309 y_samples = 1; | |
| 310 } | |
| 311 break; | |
| 312 case GLHelperScaling::SHADER_BILINEAR2: | |
| 313 x_samples = 2; | |
| 314 y_samples = 1; | |
| 315 break; | |
| 316 case GLHelperScaling::SHADER_BILINEAR3: | |
| 317 x_samples = 3; | |
| 318 y_samples = 1; | |
| 319 break; | |
| 320 case GLHelperScaling::SHADER_BILINEAR4: | |
| 321 x_samples = 4; | |
| 322 y_samples = 1; | |
| 323 break; | |
| 324 case GLHelperScaling::SHADER_BILINEAR2X2: | |
| 325 x_samples = 2; | |
| 326 y_samples = 2; | |
| 327 break; | |
| 328 case GLHelperScaling::SHADER_BICUBIC_UPSCALE: | |
| 329 if (scaler_stages[i].scale_x) { | |
| 330 EXPECT_LT(x_scale, 1.0); | |
| 331 EXPECT_EQ(y_scale, 1.0); | |
| 332 } else { | |
| 333 EXPECT_EQ(x_scale, 1.0); | |
| 334 EXPECT_LT(y_scale, 1.0); | |
| 335 } | |
| 336 break; | |
| 337 case GLHelperScaling::SHADER_BICUBIC_HALF_1D: | |
| 338 if (scaler_stages[i].scale_x) { | |
| 339 EXPECT_EQ(x_scale, 2.0); | |
| 340 EXPECT_EQ(y_scale, 1.0); | |
| 341 } else { | |
| 342 EXPECT_EQ(x_scale, 1.0); | |
| 343 EXPECT_EQ(y_scale, 2.0); | |
| 344 } | |
| 345 break; | |
| 346 } | |
| 347 | |
| 348 if (!scaler_stages[i].scale_x) { | |
| 349 std::swap(x_samples, y_samples); | |
| 350 } | |
| 351 | |
| 352 if (x_samples) { | |
| 353 EXPECT_TRUE(CheckScale(x_scale, x_samples, scaled_x)) | |
| 354 << "x_scale = " << x_scale; | |
| 355 } | |
| 356 if (y_samples) { | |
| 357 EXPECT_TRUE(CheckScale(y_scale, y_samples, scaled_y)) | |
| 358 << "y_scale = " << y_scale; | |
| 359 } | |
| 360 | |
| 361 if (x_scale != 1.0) { | |
| 362 scaled_x = true; | |
| 363 } | |
| 364 if (y_scale != 1.0) { | |
| 365 scaled_y = true; | |
| 366 } | |
| 367 } | |
| 368 | |
| 369 if (HasFailure() && !previous_error) { | |
| 370 LOG(ERROR) << "Invalid scaler stages: " << message; | |
| 371 LOG(ERROR) << "Scaler stages:"; | |
| 372 LOG(ERROR) << PrintStages(scaler_stages); | |
| 373 } | |
| 374 } | |
| 375 | |
| 376 // Compare two bitmaps, make sure that each component of each pixel | |
| 377 // is no more than |maxdiff| apart. If they are not similar enough, | |
| 378 // prints out |truth|, |other|, |source|, |scaler_stages| and |message|. | |
| 379 void Compare(SkBitmap* truth, | |
| 380 SkBitmap* other, | |
| 381 int maxdiff, | |
| 382 SkBitmap* source, | |
| 383 const std::vector<GLHelperScaling::ScalerStage>& scaler_stages, | |
| 384 std::string message) { | |
| 385 EXPECT_EQ(truth->width(), other->width()); | |
| 386 EXPECT_EQ(truth->height(), other->height()); | |
| 387 for (int x = 0; x < truth->width(); x++) { | |
| 388 for (int y = 0; y < truth->height(); y++) { | |
| 389 for (int c = 0; c < 4; c++) { | |
| 390 int a = Channel(truth, x, y, c); | |
| 391 int b = Channel(other, x, y, c); | |
| 392 EXPECT_NEAR(a, b, maxdiff) << " x=" << x << " y=" << y << " c=" << c | |
| 393 << " " << message; | |
| 394 if (std::abs(a - b) > maxdiff) { | |
| 395 LOG(ERROR) << "-------expected--------"; | |
| 396 PrintChannel(truth, c); | |
| 397 LOG(ERROR) << "-------actual--------"; | |
| 398 PrintChannel(other, c); | |
| 399 if (source) { | |
| 400 LOG(ERROR) << "-------before scaling--------"; | |
| 401 PrintChannel(source, c); | |
| 402 } | |
| 403 LOG(ERROR) << "-----Scaler stages------"; | |
| 404 LOG(ERROR) << PrintStages(scaler_stages); | |
| 405 return; | |
| 406 } | |
| 407 } | |
| 408 } | |
| 409 } | |
| 410 } | |
| 411 | |
| 412 // Get a single R, G, B or A value as a float. | |
| 413 float ChannelAsFloat(SkBitmap* pixels, int x, int y, int c) { | |
| 414 return Channel(pixels, x, y, c) / 255.0; | |
| 415 } | |
| 416 | |
| 417 // Works like a GL_LINEAR lookup on an SkBitmap. | |
| 418 float Bilinear(SkBitmap* pixels, float x, float y, int c) { | |
| 419 x -= 0.5; | |
| 420 y -= 0.5; | |
| 421 int base_x = static_cast<int>(floorf(x)); | |
| 422 int base_y = static_cast<int>(floorf(y)); | |
| 423 x -= base_x; | |
| 424 y -= base_y; | |
| 425 return (ChannelAsFloat(pixels, base_x, base_y, c) * (1 - x) * (1 - y) + | |
| 426 ChannelAsFloat(pixels, base_x + 1, base_y, c) * x * (1 - y) + | |
| 427 ChannelAsFloat(pixels, base_x, base_y + 1, c) * (1 - x) * y + | |
| 428 ChannelAsFloat(pixels, base_x + 1, base_y + 1, c) * x * y); | |
| 429 } | |
| 430 | |
| 431 // Very slow bicubic / bilinear scaler for reference. | |
| 432 void ScaleSlow(SkBitmap* input, | |
| 433 SkBitmap* output, | |
| 434 content::GLHelper::ScalerQuality quality) { | |
| 435 float xscale = static_cast<float>(input->width()) / output->width(); | |
| 436 float yscale = static_cast<float>(input->height()) / output->height(); | |
| 437 float clamped_xscale = xscale < 1.0 ? 1.0 : 1.0 / xscale; | |
| 438 float clamped_yscale = yscale < 1.0 ? 1.0 : 1.0 / yscale; | |
| 439 for (int dst_y = 0; dst_y < output->height(); dst_y++) { | |
| 440 for (int dst_x = 0; dst_x < output->width(); dst_x++) { | |
| 441 for (int channel = 0; channel < 4; channel++) { | |
| 442 float dst_x_in_src = (dst_x + 0.5f) * xscale; | |
| 443 float dst_y_in_src = (dst_y + 0.5f) * yscale; | |
| 444 | |
| 445 float value = 0.0f; | |
| 446 float sum = 0.0f; | |
| 447 switch (quality) { | |
| 448 case content::GLHelper::SCALER_QUALITY_BEST: | |
| 449 for (int src_y = -10; src_y < input->height() + 10; ++src_y) { | |
| 450 float coeff_y = | |
| 451 Bicubic((src_y + 0.5f - dst_y_in_src) * clamped_yscale); | |
| 452 if (coeff_y == 0.0f) { | |
| 453 continue; | |
| 454 } | |
| 455 for (int src_x = -10; src_x < input->width() + 10; ++src_x) { | |
| 456 float coeff = | |
| 457 coeff_y * | |
| 458 Bicubic((src_x + 0.5f - dst_x_in_src) * clamped_xscale); | |
| 459 if (coeff == 0.0f) { | |
| 460 continue; | |
| 461 } | |
| 462 sum += coeff; | |
| 463 float c = ChannelAsFloat(input, src_x, src_y, channel); | |
| 464 value += c * coeff; | |
| 465 } | |
| 466 } | |
| 467 break; | |
| 468 | |
| 469 case content::GLHelper::SCALER_QUALITY_GOOD: { | |
| 470 int xshift = 0, yshift = 0; | |
| 471 while ((output->width() << xshift) < input->width()) { | |
| 472 xshift++; | |
| 473 } | |
| 474 while ((output->height() << yshift) < input->height()) { | |
| 475 yshift++; | |
| 476 } | |
| 477 int xmag = 1 << xshift; | |
| 478 int ymag = 1 << yshift; | |
| 479 if (xmag == 4 && output->width() * 3 >= input->width()) { | |
| 480 xmag = 3; | |
| 481 } | |
| 482 if (ymag == 4 && output->height() * 3 >= input->height()) { | |
| 483 ymag = 3; | |
| 484 } | |
| 485 for (int x = 0; x < xmag; x++) { | |
| 486 for (int y = 0; y < ymag; y++) { | |
| 487 value += Bilinear(input, | |
| 488 (dst_x * xmag + x + 0.5) * xscale / xmag, | |
| 489 (dst_y * ymag + y + 0.5) * yscale / ymag, | |
| 490 channel); | |
| 491 sum += 1.0; | |
| 492 } | |
| 493 } | |
| 494 break; | |
| 495 } | |
| 496 | |
| 497 case content::GLHelper::SCALER_QUALITY_FAST: | |
| 498 value = Bilinear(input, dst_x_in_src, dst_y_in_src, channel); | |
| 499 sum = 1.0; | |
| 500 } | |
| 501 value /= sum; | |
| 502 SetChannel(output, | |
| 503 dst_x, | |
| 504 dst_y, | |
| 505 channel, | |
| 506 static_cast<int>(value * 255.0f + 0.5f)); | |
| 507 } | |
| 508 } | |
| 509 } | |
| 510 } | |
| 511 | |
| 512 void FlipSKBitmap(SkBitmap* bitmap) { | |
| 513 int top_line = 0; | |
| 514 int bottom_line = bitmap->height() - 1; | |
| 515 while (top_line < bottom_line) { | |
| 516 for (int x = 0; x < bitmap->width(); x++) { | |
| 517 std::swap(*bitmap->getAddr32(x, top_line), | |
| 518 *bitmap->getAddr32(x, bottom_line)); | |
| 519 } | |
| 520 top_line++; | |
| 521 bottom_line--; | |
| 522 } | |
| 523 } | |
| 524 | |
| 525 // gl_helper scales recursively, so we'll need to do that | |
| 526 // in the reference implementation too. | |
| 527 void ScaleSlowRecursive(SkBitmap* input, | |
| 528 SkBitmap* output, | |
| 529 content::GLHelper::ScalerQuality quality) { | |
| 530 if (quality == content::GLHelper::SCALER_QUALITY_FAST || | |
| 531 quality == content::GLHelper::SCALER_QUALITY_GOOD) { | |
| 532 ScaleSlow(input, output, quality); | |
| 533 return; | |
| 534 } | |
| 535 | |
| 536 float xscale = static_cast<float>(output->width()) / input->width(); | |
| 537 | |
| 538 // This corresponds to all the operations we can do directly. | |
| 539 float yscale = static_cast<float>(output->height()) / input->height(); | |
| 540 if ((xscale == 1.0f && yscale == 1.0f) || | |
| 541 (xscale == 0.5f && yscale == 1.0f) || | |
| 542 (xscale == 1.0f && yscale == 0.5f) || | |
| 543 (xscale >= 1.0f && yscale == 1.0f) || | |
| 544 (xscale == 1.0f && yscale >= 1.0f)) { | |
| 545 ScaleSlow(input, output, quality); | |
| 546 return; | |
| 547 } | |
| 548 | |
| 549 // Now we break the problem down into smaller pieces, using the | |
| 550 // operations available. | |
| 551 int xtmp = input->width(); | |
| 552 int ytmp = input->height(); | |
| 553 | |
| 554 if (output->height() != input->height()) { | |
| 555 ytmp = output->height(); | |
| 556 while (ytmp < input->height() && ytmp * 2 != input->height()) { | |
| 557 ytmp += ytmp; | |
| 558 } | |
| 559 } else { | |
| 560 xtmp = output->width(); | |
| 561 while (xtmp < input->width() && xtmp * 2 != input->width()) { | |
| 562 xtmp += xtmp; | |
| 563 } | |
| 564 } | |
| 565 | |
| 566 SkBitmap tmp; | |
| 567 tmp.setConfig(SkBitmap::kARGB_8888_Config, xtmp, ytmp); | |
| 568 tmp.allocPixels(); | |
| 569 SkAutoLockPixels lock(tmp); | |
| 570 | |
| 571 ScaleSlowRecursive(input, &tmp, quality); | |
| 572 ScaleSlowRecursive(&tmp, output, quality); | |
| 573 } | |
| 574 | |
| 575 // Scaling test: Create a test image, scale it using GLHelperScaling | |
| 576 // and a reference implementation and compare the results. | |
| 577 void TestScale(int xsize, | |
| 578 int ysize, | |
| 579 int scaled_xsize, | |
| 580 int scaled_ysize, | |
| 581 int test_pattern, | |
| 582 size_t quality, | |
| 583 bool flip) { | |
| 584 WebGLId src_texture = context_->createTexture(); | |
| 585 WebGLId framebuffer = context_->createFramebuffer(); | |
| 586 SkBitmap input_pixels; | |
| 587 input_pixels.setConfig(SkBitmap::kARGB_8888_Config, xsize, ysize); | |
| 588 input_pixels.allocPixels(); | |
| 589 SkAutoLockPixels lock(input_pixels); | |
| 590 | |
| 591 for (int x = 0; x < xsize; ++x) { | |
| 592 for (int y = 0; y < ysize; ++y) { | |
| 593 switch (test_pattern) { | |
| 594 case 0: // Smooth test pattern | |
| 595 SetChannel(&input_pixels, x, y, 0, x * 10); | |
| 596 SetChannel(&input_pixels, x, y, 1, y * 10); | |
| 597 SetChannel(&input_pixels, x, y, 2, (x + y) * 10); | |
| 598 SetChannel(&input_pixels, x, y, 3, 255); | |
| 599 break; | |
| 600 case 1: // Small blocks | |
| 601 SetChannel(&input_pixels, x, y, 0, x & 1 ? 255 : 0); | |
| 602 SetChannel(&input_pixels, x, y, 1, y & 1 ? 255 : 0); | |
| 603 SetChannel(&input_pixels, x, y, 2, (x + y) & 1 ? 255 : 0); | |
| 604 SetChannel(&input_pixels, x, y, 3, 255); | |
| 605 break; | |
| 606 case 2: // Medium blocks | |
| 607 SetChannel(&input_pixels, x, y, 0, 10 + x / 2 * 50); | |
| 608 SetChannel(&input_pixels, x, y, 1, 10 + y / 3 * 50); | |
| 609 SetChannel(&input_pixels, x, y, 2, (x + y) / 5 * 50 + 5); | |
| 610 SetChannel(&input_pixels, x, y, 3, 255); | |
| 611 break; | |
| 612 } | |
| 613 } | |
| 614 } | |
| 615 | |
| 616 context_->bindFramebuffer(GL_FRAMEBUFFER, framebuffer); | |
| 617 context_->bindTexture(GL_TEXTURE_2D, src_texture); | |
| 618 context_->texImage2D(GL_TEXTURE_2D, | |
| 619 0, | |
| 620 GL_RGBA, | |
| 621 xsize, | |
| 622 ysize, | |
| 623 0, | |
| 624 GL_RGBA, | |
| 625 GL_UNSIGNED_BYTE, | |
| 626 input_pixels.getPixels()); | |
| 627 | |
| 628 std::string message = base::StringPrintf( | |
| 629 "input size: %dx%d " | |
| 630 "output size: %dx%d " | |
| 631 "pattern: %d quality: %s", | |
| 632 xsize, | |
| 633 ysize, | |
| 634 scaled_xsize, | |
| 635 scaled_ysize, | |
| 636 test_pattern, | |
| 637 kQualityNames[quality]); | |
| 638 | |
| 639 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 640 helper_scaling_->ComputeScalerStages(kQualities[quality], | |
| 641 gfx::Size(xsize, ysize), | |
| 642 gfx::Rect(0, 0, xsize, ysize), | |
| 643 gfx::Size(scaled_xsize, scaled_ysize), | |
| 644 flip, | |
| 645 false, | |
| 646 &stages); | |
| 647 ValidateScalerStages(kQualities[quality], stages, message); | |
| 648 | |
| 649 WebGLId dst_texture = | |
| 650 helper_->CopyAndScaleTexture(src_texture, | |
| 651 gfx::Size(xsize, ysize), | |
| 652 gfx::Size(scaled_xsize, scaled_ysize), | |
| 653 flip, | |
| 654 kQualities[quality]); | |
| 655 | |
| 656 SkBitmap output_pixels; | |
| 657 output_pixels.setConfig( | |
| 658 SkBitmap::kARGB_8888_Config, scaled_xsize, scaled_ysize); | |
| 659 output_pixels.allocPixels(); | |
| 660 SkAutoLockPixels output_lock(output_pixels); | |
| 661 | |
| 662 helper_->ReadbackTextureSync( | |
| 663 dst_texture, | |
| 664 gfx::Rect(0, 0, scaled_xsize, scaled_ysize), | |
| 665 static_cast<unsigned char*>(output_pixels.getPixels())); | |
| 666 if (flip) { | |
| 667 // Flip the pixels back. | |
| 668 FlipSKBitmap(&output_pixels); | |
| 669 } | |
| 670 if (xsize == scaled_xsize && ysize == scaled_ysize) { | |
| 671 Compare(&input_pixels, | |
| 672 &output_pixels, | |
| 673 2, | |
| 674 NULL, | |
| 675 stages, | |
| 676 message + " comparing against input"); | |
| 677 } | |
| 678 SkBitmap truth_pixels; | |
| 679 truth_pixels.setConfig( | |
| 680 SkBitmap::kARGB_8888_Config, scaled_xsize, scaled_ysize); | |
| 681 truth_pixels.allocPixels(); | |
| 682 SkAutoLockPixels truth_lock(truth_pixels); | |
| 683 | |
| 684 ScaleSlowRecursive(&input_pixels, &truth_pixels, kQualities[quality]); | |
| 685 Compare(&truth_pixels, | |
| 686 &output_pixels, | |
| 687 2, | |
| 688 &input_pixels, | |
| 689 stages, | |
| 690 message + " comparing against scaled"); | |
| 691 | |
| 692 context_->deleteTexture(src_texture); | |
| 693 context_->deleteTexture(dst_texture); | |
| 694 context_->deleteFramebuffer(framebuffer); | |
| 695 } | |
| 696 | |
| 697 // Create a scaling pipeline and check that it is made up of | |
| 698 // valid scaling operations. | |
| 699 void TestScalerPipeline(size_t quality, | |
| 700 int xsize, | |
| 701 int ysize, | |
| 702 int dst_xsize, | |
| 703 int dst_ysize) { | |
| 704 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 705 helper_scaling_->ComputeScalerStages(kQualities[quality], | |
| 706 gfx::Size(xsize, ysize), | |
| 707 gfx::Rect(0, 0, xsize, ysize), | |
| 708 gfx::Size(dst_xsize, dst_ysize), | |
| 709 false, | |
| 710 false, | |
| 711 &stages); | |
| 712 ValidateScalerStages(kQualities[quality], | |
| 713 stages, | |
| 714 base::StringPrintf( | |
| 715 "input size: %dx%d " | |
| 716 "output size: %dx%d " | |
| 717 "quality: %s", | |
| 718 xsize, | |
| 719 ysize, | |
| 720 dst_xsize, | |
| 721 dst_ysize, | |
| 722 kQualityNames[quality])); | |
| 723 } | |
| 724 | |
| 725 // Create a scaling pipeline and make sure that the steps | |
| 726 // are exactly the steps we expect. | |
| 727 void CheckPipeline(content::GLHelper::ScalerQuality quality, | |
| 728 int xsize, | |
| 729 int ysize, | |
| 730 int dst_xsize, | |
| 731 int dst_ysize, | |
| 732 const std::string& description) { | |
| 733 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 734 helper_scaling_->ComputeScalerStages(quality, | |
| 735 gfx::Size(xsize, ysize), | |
| 736 gfx::Rect(0, 0, xsize, ysize), | |
| 737 gfx::Size(dst_xsize, dst_ysize), | |
| 738 false, | |
| 739 false, | |
| 740 &stages); | |
| 741 ValidateScalerStages(content::GLHelper::SCALER_QUALITY_GOOD, stages, ""); | |
| 742 EXPECT_EQ(PrintStages(stages), description); | |
| 743 } | |
| 744 | |
| 745 // Note: Left/Right means Top/Bottom when used for Y dimension. | |
| 746 enum Margin { | |
| 747 MarginLeft, | |
| 748 MarginMiddle, | |
| 749 MarginRight, | |
| 750 MarginInvalid, | |
| 751 }; | |
| 752 | |
| 753 static Margin NextMargin(Margin m) { | |
| 754 switch (m) { | |
| 755 case MarginLeft: | |
| 756 return MarginMiddle; | |
| 757 case MarginMiddle: | |
| 758 return MarginRight; | |
| 759 case MarginRight: | |
| 760 return MarginInvalid; | |
| 761 default: | |
| 762 return MarginInvalid; | |
| 763 } | |
| 764 } | |
| 765 | |
| 766 int compute_margin(int insize, int outsize, Margin m) { | |
| 767 int available = outsize - insize; | |
| 768 switch (m) { | |
| 769 default: | |
| 770 EXPECT_TRUE(false) << "This should not happen."; | |
| 771 return 0; | |
| 772 case MarginLeft: | |
| 773 return 0; | |
| 774 case MarginMiddle: | |
| 775 return (available / 2) & ~1; | |
| 776 case MarginRight: | |
| 777 return available; | |
| 778 } | |
| 779 } | |
| 780 | |
| 781 // Convert 0.0 - 1.0 to 0 - 255 | |
| 782 int float_to_byte(float v) { | |
| 783 int ret = static_cast<int>(floorf(v * 255.0f + 0.5f)); | |
| 784 if (ret < 0) { | |
| 785 return 0; | |
| 786 } | |
| 787 if (ret > 255) { | |
| 788 return 255; | |
| 789 } | |
| 790 return ret; | |
| 791 } | |
| 792 | |
| 793 static void callcallback(const base::Callback<void()>& callback, | |
| 794 bool result) { | |
| 795 callback.Run(); | |
| 796 } | |
| 797 | |
| 798 void PrintPlane(unsigned char* plane, int xsize, int stride, int ysize) { | |
| 799 for (int y = 0; y < ysize; y++) { | |
| 800 std::string formatted; | |
| 801 for (int x = 0; x < xsize; x++) { | |
| 802 formatted.append(base::StringPrintf("%3d, ", plane[y * stride + x])); | |
| 803 } | |
| 804 LOG(ERROR) << formatted << " (" << (plane + y * stride) << ")"; | |
| 805 } | |
| 806 } | |
| 807 | |
| 808 // Compare two planes make sure that each component of each pixel | |
| 809 // is no more than |maxdiff| apart. | |
| 810 void ComparePlane(unsigned char* truth, | |
| 811 unsigned char* other, | |
| 812 int maxdiff, | |
| 813 int xsize, | |
| 814 int stride, | |
| 815 int ysize, | |
| 816 SkBitmap* source, | |
| 817 std::string message) { | |
| 818 int truth_stride = stride; | |
| 819 for (int x = 0; x < xsize; x++) { | |
| 820 for (int y = 0; y < ysize; y++) { | |
| 821 int a = other[y * stride + x]; | |
| 822 int b = truth[y * stride + x]; | |
| 823 EXPECT_NEAR(a, b, maxdiff) << " x=" << x << " y=" << y << " " | |
| 824 << message; | |
| 825 if (std::abs(a - b) > maxdiff) { | |
| 826 LOG(ERROR) << "-------expected--------"; | |
| 827 PrintPlane(truth, xsize, truth_stride, ysize); | |
| 828 LOG(ERROR) << "-------actual--------"; | |
| 829 PrintPlane(other, xsize, stride, ysize); | |
| 830 if (source) { | |
| 831 LOG(ERROR) << "-------before yuv conversion: red--------"; | |
| 832 PrintChannel(source, 0); | |
| 833 LOG(ERROR) << "-------before yuv conversion: green------"; | |
| 834 PrintChannel(source, 1); | |
| 835 LOG(ERROR) << "-------before yuv conversion: blue-------"; | |
| 836 PrintChannel(source, 2); | |
| 837 } | |
| 838 return; | |
| 839 } | |
| 840 } | |
| 841 } | |
| 842 } | |
| 843 | |
| 844 // YUV readback test. Create a test pattern, convert to YUV | |
| 845 // with reference implementation and compare to what gl_helper | |
| 846 // returns. | |
| 847 void TestYUVReadback(int xsize, | |
| 848 int ysize, | |
| 849 int output_xsize, | |
| 850 int output_ysize, | |
| 851 int xmargin, | |
| 852 int ymargin, | |
| 853 int test_pattern, | |
| 854 bool flip, | |
| 855 bool use_mrt, | |
| 856 content::GLHelper::ScalerQuality quality) { | |
| 857 WebGLId src_texture = context_->createTexture(); | |
| 858 SkBitmap input_pixels; | |
| 859 input_pixels.setConfig(SkBitmap::kARGB_8888_Config, xsize, ysize); | |
| 860 input_pixels.allocPixels(); | |
| 861 SkAutoLockPixels lock(input_pixels); | |
| 862 | |
| 863 for (int x = 0; x < xsize; ++x) { | |
| 864 for (int y = 0; y < ysize; ++y) { | |
| 865 switch (test_pattern) { | |
| 866 case 0: // Smooth test pattern | |
| 867 SetChannel(&input_pixels, x, y, 0, x * 10); | |
| 868 SetChannel(&input_pixels, x, y, 1, y * 10); | |
| 869 SetChannel(&input_pixels, x, y, 2, (x + y) * 10); | |
| 870 SetChannel(&input_pixels, x, y, 3, 255); | |
| 871 break; | |
| 872 case 1: // Small blocks | |
| 873 SetChannel(&input_pixels, x, y, 0, x & 1 ? 255 : 0); | |
| 874 SetChannel(&input_pixels, x, y, 1, y & 1 ? 255 : 0); | |
| 875 SetChannel(&input_pixels, x, y, 2, (x + y) & 1 ? 255 : 0); | |
| 876 SetChannel(&input_pixels, x, y, 3, 255); | |
| 877 break; | |
| 878 case 2: // Medium blocks | |
| 879 SetChannel(&input_pixels, x, y, 0, 10 + x / 2 * 50); | |
| 880 SetChannel(&input_pixels, x, y, 1, 10 + y / 3 * 50); | |
| 881 SetChannel(&input_pixels, x, y, 2, (x + y) / 5 * 50 + 5); | |
| 882 SetChannel(&input_pixels, x, y, 3, 255); | |
| 883 break; | |
| 884 } | |
| 885 } | |
| 886 } | |
| 887 | |
| 888 context_->bindTexture(GL_TEXTURE_2D, src_texture); | |
| 889 context_->texImage2D(GL_TEXTURE_2D, | |
| 890 0, | |
| 891 GL_RGBA, | |
| 892 xsize, | |
| 893 ysize, | |
| 894 0, | |
| 895 GL_RGBA, | |
| 896 GL_UNSIGNED_BYTE, | |
| 897 input_pixels.getPixels()); | |
| 898 | |
| 899 gpu::Mailbox mailbox; | |
| 900 context_->genMailboxCHROMIUM(mailbox.name); | |
| 901 EXPECT_FALSE(mailbox.IsZero()); | |
| 902 context_->produceTextureCHROMIUM(GL_TEXTURE_2D, mailbox.name); | |
| 903 uint32 sync_point = context_->insertSyncPoint(); | |
| 904 | |
| 905 std::string message = base::StringPrintf( | |
| 906 "input size: %dx%d " | |
| 907 "output size: %dx%d " | |
| 908 "margin: %dx%d " | |
| 909 "pattern: %d %s %s", | |
| 910 xsize, | |
| 911 ysize, | |
| 912 output_xsize, | |
| 913 output_ysize, | |
| 914 xmargin, | |
| 915 ymargin, | |
| 916 test_pattern, | |
| 917 flip ? "flip" : "noflip", | |
| 918 flip ? "mrt" : "nomrt"); | |
| 919 scoped_ptr<ReadbackYUVInterface> yuv_reader( | |
| 920 helper_->CreateReadbackPipelineYUV( | |
| 921 quality, | |
| 922 gfx::Size(xsize, ysize), | |
| 923 gfx::Rect(0, 0, xsize, ysize), | |
| 924 gfx::Size(output_xsize, output_ysize), | |
| 925 gfx::Rect(xmargin, ymargin, xsize, ysize), | |
| 926 flip, | |
| 927 use_mrt)); | |
| 928 | |
| 929 scoped_refptr<media::VideoFrame> output_frame = | |
| 930 media::VideoFrame::CreateFrame( | |
| 931 media::VideoFrame::YV12, | |
| 932 gfx::Size(output_xsize, output_ysize), | |
| 933 gfx::Rect(0, 0, output_xsize, output_ysize), | |
| 934 gfx::Size(output_xsize, output_ysize), | |
| 935 base::TimeDelta::FromSeconds(0)); | |
| 936 scoped_refptr<media::VideoFrame> truth_frame = | |
| 937 media::VideoFrame::CreateFrame( | |
| 938 media::VideoFrame::YV12, | |
| 939 gfx::Size(output_xsize, output_ysize), | |
| 940 gfx::Rect(0, 0, output_xsize, output_ysize), | |
| 941 gfx::Size(output_xsize, output_ysize), | |
| 942 base::TimeDelta::FromSeconds(0)); | |
| 943 | |
| 944 base::RunLoop run_loop; | |
| 945 yuv_reader->ReadbackYUV(mailbox, | |
| 946 sync_point, | |
| 947 output_frame.get(), | |
| 948 base::Bind(&callcallback, run_loop.QuitClosure())); | |
| 949 run_loop.Run(); | |
| 950 | |
| 951 if (flip) { | |
| 952 FlipSKBitmap(&input_pixels); | |
| 953 } | |
| 954 | |
| 955 unsigned char* Y = truth_frame->data(media::VideoFrame::kYPlane); | |
| 956 unsigned char* U = truth_frame->data(media::VideoFrame::kUPlane); | |
| 957 unsigned char* V = truth_frame->data(media::VideoFrame::kVPlane); | |
| 958 int32 y_stride = truth_frame->stride(media::VideoFrame::kYPlane); | |
| 959 int32 u_stride = truth_frame->stride(media::VideoFrame::kUPlane); | |
| 960 int32 v_stride = truth_frame->stride(media::VideoFrame::kVPlane); | |
| 961 memset(Y, 0x00, y_stride * output_ysize); | |
| 962 memset(U, 0x80, u_stride * output_ysize / 2); | |
| 963 memset(V, 0x80, v_stride * output_ysize / 2); | |
| 964 | |
| 965 for (int y = 0; y < ysize; y++) { | |
| 966 for (int x = 0; x < xsize; x++) { | |
| 967 Y[(y + ymargin) * y_stride + x + xmargin] = float_to_byte( | |
| 968 ChannelAsFloat(&input_pixels, x, y, 0) * 0.257 + | |
| 969 ChannelAsFloat(&input_pixels, x, y, 1) * 0.504 + | |
| 970 ChannelAsFloat(&input_pixels, x, y, 2) * 0.098 + 0.0625); | |
| 971 } | |
| 972 } | |
| 973 | |
| 974 for (int y = 0; y < ysize / 2; y++) { | |
| 975 for (int x = 0; x < xsize / 2; x++) { | |
| 976 U[(y + ymargin / 2) * u_stride + x + xmargin / 2] = float_to_byte( | |
| 977 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 0) * -0.148 + | |
| 978 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 1) * -0.291 + | |
| 979 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 2) * 0.439 + 0.5); | |
| 980 V[(y + ymargin / 2) * v_stride + x + xmargin / 2] = float_to_byte( | |
| 981 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 0) * 0.439 + | |
| 982 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 1) * -0.368 + | |
| 983 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 2) * -0.071 + | |
| 984 0.5); | |
| 985 } | |
| 986 } | |
| 987 | |
| 988 ComparePlane(Y, | |
| 989 output_frame->data(media::VideoFrame::kYPlane), | |
| 990 2, | |
| 991 output_xsize, | |
| 992 y_stride, | |
| 993 output_ysize, | |
| 994 &input_pixels, | |
| 995 message + " Y plane"); | |
| 996 ComparePlane(U, | |
| 997 output_frame->data(media::VideoFrame::kUPlane), | |
| 998 2, | |
| 999 output_xsize / 2, | |
| 1000 u_stride, | |
| 1001 output_ysize / 2, | |
| 1002 &input_pixels, | |
| 1003 message + " U plane"); | |
| 1004 ComparePlane(V, | |
| 1005 output_frame->data(media::VideoFrame::kVPlane), | |
| 1006 2, | |
| 1007 output_xsize / 2, | |
| 1008 v_stride, | |
| 1009 output_ysize / 2, | |
| 1010 &input_pixels, | |
| 1011 message + " V plane"); | |
| 1012 | |
| 1013 context_->deleteTexture(src_texture); | |
| 1014 } | |
| 1015 | |
| 1016 void TestAddOps(int src, int dst, bool scale_x, bool allow3) { | |
| 1017 std::deque<GLHelperScaling::ScaleOp> ops; | |
| 1018 GLHelperScaling::ScaleOp::AddOps(src, dst, scale_x, allow3, &ops); | |
| 1019 // Scale factor 3 is a special case. | |
| 1020 // It is currently only allowed by itself. | |
| 1021 if (allow3 && dst * 3 >= src && dst * 2 < src) { | |
| 1022 EXPECT_EQ(ops[0].scale_factor, 3); | |
| 1023 EXPECT_EQ(ops.size(), 1U); | |
| 1024 EXPECT_EQ(ops[0].scale_x, scale_x); | |
| 1025 EXPECT_EQ(ops[0].scale_size, dst); | |
| 1026 return; | |
| 1027 } | |
| 1028 | |
| 1029 for (size_t i = 0; i < ops.size(); i++) { | |
| 1030 EXPECT_EQ(ops[i].scale_x, scale_x); | |
| 1031 if (i == 0) { | |
| 1032 // Only the first op is allowed to be a scale up. | |
| 1033 // (Scaling up *after* scaling down would make it fuzzy.) | |
| 1034 EXPECT_TRUE(ops[0].scale_factor == 0 || ops[0].scale_factor == 2); | |
| 1035 } else { | |
| 1036 // All other operations must be 50% downscales. | |
| 1037 EXPECT_EQ(ops[i].scale_factor, 2); | |
| 1038 } | |
| 1039 } | |
| 1040 // Check that the scale factors make sense and add up. | |
| 1041 int tmp = dst; | |
| 1042 for (int i = static_cast<int>(ops.size() - 1); i >= 0; i--) { | |
| 1043 EXPECT_EQ(tmp, ops[i].scale_size); | |
| 1044 if (ops[i].scale_factor == 0) { | |
| 1045 EXPECT_EQ(i, 0); | |
| 1046 EXPECT_GT(tmp, src); | |
| 1047 tmp = src; | |
| 1048 } else { | |
| 1049 tmp *= ops[i].scale_factor; | |
| 1050 } | |
| 1051 } | |
| 1052 EXPECT_EQ(tmp, src); | |
| 1053 } | |
| 1054 | |
| 1055 void CheckPipeline2(int xsize, | |
| 1056 int ysize, | |
| 1057 int dst_xsize, | |
| 1058 int dst_ysize, | |
| 1059 const std::string& description) { | |
| 1060 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 1061 helper_scaling_->ConvertScalerOpsToScalerStages( | |
| 1062 content::GLHelper::SCALER_QUALITY_GOOD, | |
| 1063 gfx::Size(xsize, ysize), | |
| 1064 gfx::Rect(0, 0, xsize, ysize), | |
| 1065 gfx::Size(dst_xsize, dst_ysize), | |
| 1066 false, | |
| 1067 false, | |
| 1068 &x_ops_, | |
| 1069 &y_ops_, | |
| 1070 &stages); | |
| 1071 EXPECT_EQ(x_ops_.size(), 0U); | |
| 1072 EXPECT_EQ(y_ops_.size(), 0U); | |
| 1073 ValidateScalerStages(content::GLHelper::SCALER_QUALITY_GOOD, stages, ""); | |
| 1074 EXPECT_EQ(PrintStages(stages), description); | |
| 1075 } | |
| 1076 | |
| 1077 void CheckOptimizationsTest() { | |
| 1078 // Basic upscale. X and Y should be combined into one pass. | |
| 1079 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 2000)); | |
| 1080 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 2000)); | |
| 1081 CheckPipeline2(1024, 768, 2000, 2000, "1024x768 -> 2000x2000 bilinear\n"); | |
| 1082 | |
| 1083 // X scaled 1/2, Y upscaled, should still be one pass. | |
| 1084 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 512)); | |
| 1085 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 2000)); | |
| 1086 CheckPipeline2(1024, 768, 512, 2000, "1024x768 -> 512x2000 bilinear\n"); | |
| 1087 | |
| 1088 // X upscaled, Y scaled 1/2, one bilinear pass | |
| 1089 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 2000)); | |
| 1090 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 384)); | |
| 1091 CheckPipeline2(1024, 768, 2000, 384, "1024x768 -> 2000x384 bilinear\n"); | |
| 1092 | |
| 1093 // X scaled 1/2, Y scaled 1/2, one bilinear pass | |
| 1094 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 512)); | |
| 1095 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 384)); | |
| 1096 CheckPipeline2(1024, 768, 2000, 384, "1024x768 -> 512x384 bilinear\n"); | |
| 1097 | |
| 1098 // X scaled 1/2, Y scaled to 60%, one bilinear2 pass. | |
| 1099 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 50)); | |
| 1100 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1101 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1102 CheckPipeline2(100, 100, 50, 60, "100x100 -> 50x60 bilinear2 Y\n"); | |
| 1103 | |
| 1104 // X scaled to 60%, Y scaled 1/2, one bilinear2 pass. | |
| 1105 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1106 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1107 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 50)); | |
| 1108 CheckPipeline2(100, 100, 50, 60, "100x100 -> 60x50 bilinear2 X\n"); | |
| 1109 | |
| 1110 // X scaled to 60%, Y scaled 60%, one bilinear2x2 pass. | |
| 1111 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1112 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1113 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1114 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1115 CheckPipeline2(100, 100, 60, 60, "100x100 -> 60x60 bilinear2x2\n"); | |
| 1116 | |
| 1117 // X scaled to 40%, Y scaled 40%, two bilinear3 passes. | |
| 1118 x_ops_.push_back(GLHelperScaling::ScaleOp(3, true, 40)); | |
| 1119 y_ops_.push_back(GLHelperScaling::ScaleOp(3, false, 40)); | |
| 1120 CheckPipeline2(100, | |
| 1121 100, | |
| 1122 40, | |
| 1123 40, | |
| 1124 "100x100 -> 100x40 bilinear3 Y\n" | |
| 1125 "100x40 -> 40x40 bilinear3 X\n"); | |
| 1126 | |
| 1127 // X scaled to 60%, Y scaled 40% | |
| 1128 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1129 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1130 y_ops_.push_back(GLHelperScaling::ScaleOp(3, false, 40)); | |
| 1131 CheckPipeline2(100, | |
| 1132 100, | |
| 1133 60, | |
| 1134 40, | |
| 1135 "100x100 -> 100x40 bilinear3 Y\n" | |
| 1136 "100x40 -> 60x40 bilinear2 X\n"); | |
| 1137 | |
| 1138 // X scaled to 40%, Y scaled 60% | |
| 1139 x_ops_.push_back(GLHelperScaling::ScaleOp(3, true, 40)); | |
| 1140 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1141 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1142 CheckPipeline2(100, | |
| 1143 100, | |
| 1144 40, | |
| 1145 60, | |
| 1146 "100x100 -> 100x60 bilinear2 Y\n" | |
| 1147 "100x60 -> 40x60 bilinear3 X\n"); | |
| 1148 | |
| 1149 // X scaled to 30%, Y scaled 30% | |
| 1150 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1151 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1152 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 30)); | |
| 1153 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1154 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1155 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); | |
| 1156 CheckPipeline2(100, | |
| 1157 100, | |
| 1158 30, | |
| 1159 30, | |
| 1160 "100x100 -> 100x30 bilinear4 Y\n" | |
| 1161 "100x30 -> 30x30 bilinear4 X\n"); | |
| 1162 | |
| 1163 // X scaled to 50%, Y scaled 30% | |
| 1164 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 50)); | |
| 1165 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1166 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1167 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); | |
| 1168 CheckPipeline2(100, 100, 50, 30, "100x100 -> 50x30 bilinear4 Y\n"); | |
| 1169 | |
| 1170 // X scaled to 150%, Y scaled 30% | |
| 1171 // Note that we avoid combinding X and Y passes | |
| 1172 // as that would probably be LESS efficient here. | |
| 1173 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 150)); | |
| 1174 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1175 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1176 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); | |
| 1177 CheckPipeline2(100, | |
| 1178 100, | |
| 1179 150, | |
| 1180 30, | |
| 1181 "100x100 -> 100x30 bilinear4 Y\n" | |
| 1182 "100x30 -> 150x30 bilinear\n"); | |
| 1183 | |
| 1184 // X scaled to 1%, Y scaled 1% | |
| 1185 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 128)); | |
| 1186 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 64)); | |
| 1187 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 32)); | |
| 1188 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 16)); | |
| 1189 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 8)); | |
| 1190 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 4)); | |
| 1191 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 2)); | |
| 1192 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 1)); | |
| 1193 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 128)); | |
| 1194 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 64)); | |
| 1195 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 32)); | |
| 1196 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 16)); | |
| 1197 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 8)); | |
| 1198 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 4)); | |
| 1199 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 2)); | |
| 1200 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 1)); | |
| 1201 CheckPipeline2(100, | |
| 1202 100, | |
| 1203 30, | |
| 1204 30, | |
| 1205 "100x100 -> 100x32 bilinear4 Y\n" | |
| 1206 "100x32 -> 100x4 bilinear4 Y\n" | |
| 1207 "100x4 -> 64x1 bilinear2x2\n" | |
| 1208 "64x1 -> 8x1 bilinear4 X\n" | |
| 1209 "8x1 -> 1x1 bilinear4 X\n"); | |
| 1210 } | |
| 1211 | |
| 1212 scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context_; | |
| 1213 gpu::ContextSupport* context_support_; | |
| 1214 scoped_ptr<content::GLHelper> helper_; | |
| 1215 scoped_ptr<content::GLHelperScaling> helper_scaling_; | |
| 1216 std::deque<GLHelperScaling::ScaleOp> x_ops_, y_ops_; | |
| 1217 }; | |
| 1218 | |
| 1219 TEST_F(GLHelperTest, YUVReadbackOptTest) { | |
| 1220 // This test uses the cb_command tracing events to detect how many | |
| 1221 // scaling passes are actually performed by the YUV readback pipeline. | |
| 1222 StartTracing(TRACE_DISABLED_BY_DEFAULT("cb_command")); | |
| 1223 | |
| 1224 TestYUVReadback(800, | |
| 1225 400, | |
| 1226 800, | |
| 1227 400, | |
| 1228 0, | |
| 1229 0, | |
| 1230 1, | |
| 1231 false, | |
| 1232 true, | |
| 1233 content::GLHelper::SCALER_QUALITY_FAST); | |
| 1234 | |
| 1235 std::map<std::string, int> event_counts; | |
| 1236 EndTracing(&event_counts); | |
| 1237 int draw_buffer_calls = event_counts["kDrawBuffersEXTImmediate"]; | |
| 1238 int draw_arrays_calls = event_counts["kDrawArrays"]; | |
| 1239 VLOG(1) << "Draw buffer calls: " << draw_buffer_calls; | |
| 1240 VLOG(1) << "DrawArrays calls: " << draw_arrays_calls; | |
| 1241 | |
| 1242 if (draw_buffer_calls) { | |
| 1243 // When using MRT, the YUV readback code should only | |
| 1244 // execute two draw arrays, and scaling should be integrated | |
| 1245 // into those two calls since we are using the FAST scalign | |
| 1246 // quality. | |
| 1247 EXPECT_EQ(2, draw_arrays_calls); | |
| 1248 } else { | |
| 1249 // When not using MRT, there are three passes for the YUV, | |
| 1250 // and one for the scaling. | |
| 1251 EXPECT_EQ(4, draw_arrays_calls); | |
| 1252 } | |
| 1253 } | |
| 1254 | |
| 1255 TEST_F(GLHelperTest, YUVReadbackTest) { | |
| 1256 int sizes[] = {2, 4, 14}; | |
| 1257 for (int flip = 0; flip <= 1; flip++) { | |
| 1258 for (int use_mrt = 0; use_mrt <= 1; use_mrt++) { | |
| 1259 for (unsigned int x = 0; x < arraysize(sizes); x++) { | |
| 1260 for (unsigned int y = 0; y < arraysize(sizes); y++) { | |
| 1261 for (unsigned int ox = x; ox < arraysize(sizes); ox++) { | |
| 1262 for (unsigned int oy = y; oy < arraysize(sizes); oy++) { | |
| 1263 // If output is a subsection of the destination frame, (letterbox) | |
| 1264 // then try different variations of where the subsection goes. | |
| 1265 for (Margin xm = x < ox ? MarginLeft : MarginRight; | |
| 1266 xm <= MarginRight; | |
| 1267 xm = NextMargin(xm)) { | |
| 1268 for (Margin ym = y < oy ? MarginLeft : MarginRight; | |
| 1269 ym <= MarginRight; | |
| 1270 ym = NextMargin(ym)) { | |
| 1271 for (int pattern = 0; pattern < 3; pattern++) { | |
| 1272 TestYUVReadback(sizes[x], | |
| 1273 sizes[y], | |
| 1274 sizes[ox], | |
| 1275 sizes[oy], | |
| 1276 compute_margin(sizes[x], sizes[ox], xm), | |
| 1277 compute_margin(sizes[y], sizes[oy], ym), | |
| 1278 pattern, | |
| 1279 flip == 1, | |
| 1280 use_mrt == 1, | |
| 1281 content::GLHelper::SCALER_QUALITY_GOOD); | |
| 1282 if (HasFailure()) { | |
| 1283 return; | |
| 1284 } | |
| 1285 } | |
| 1286 } | |
| 1287 } | |
| 1288 } | |
| 1289 } | |
| 1290 } | |
| 1291 } | |
| 1292 } | |
| 1293 } | |
| 1294 } | |
| 1295 | |
| 1296 // Per pixel tests, all sizes are small so that we can print | |
| 1297 // out the generated bitmaps. | |
| 1298 TEST_F(GLHelperTest, ScaleTest) { | |
| 1299 int sizes[] = {3, 6, 16}; | |
| 1300 for (int flip = 0; flip <= 1; flip++) { | |
| 1301 for (size_t q = 0; q < arraysize(kQualities); q++) { | |
| 1302 for (int x = 0; x < 3; x++) { | |
| 1303 for (int y = 0; y < 3; y++) { | |
| 1304 for (int dst_x = 0; dst_x < 3; dst_x++) { | |
| 1305 for (int dst_y = 0; dst_y < 3; dst_y++) { | |
| 1306 for (int pattern = 0; pattern < 3; pattern++) { | |
| 1307 TestScale(sizes[x], | |
| 1308 sizes[y], | |
| 1309 sizes[dst_x], | |
| 1310 sizes[dst_y], | |
| 1311 pattern, | |
| 1312 q, | |
| 1313 flip == 1); | |
| 1314 if (HasFailure()) { | |
| 1315 return; | |
| 1316 } | |
| 1317 } | |
| 1318 } | |
| 1319 } | |
| 1320 } | |
| 1321 } | |
| 1322 } | |
| 1323 } | |
| 1324 } | |
| 1325 | |
| 1326 // Validate that all scaling generates valid pipelines. | |
| 1327 TEST_F(GLHelperTest, ValidateScalerPipelines) { | |
| 1328 int sizes[] = {7, 99, 128, 256, 512, 719, 720, 721, 1920, 2011, 3217, 4096}; | |
| 1329 for (size_t q = 0; q < arraysize(kQualities); q++) { | |
| 1330 for (size_t x = 0; x < arraysize(sizes); x++) { | |
| 1331 for (size_t y = 0; y < arraysize(sizes); y++) { | |
| 1332 for (size_t dst_x = 0; dst_x < arraysize(sizes); dst_x++) { | |
| 1333 for (size_t dst_y = 0; dst_y < arraysize(sizes); dst_y++) { | |
| 1334 TestScalerPipeline( | |
| 1335 q, sizes[x], sizes[y], sizes[dst_x], sizes[dst_y]); | |
| 1336 if (HasFailure()) { | |
| 1337 return; | |
| 1338 } | |
| 1339 } | |
| 1340 } | |
| 1341 } | |
| 1342 } | |
| 1343 } | |
| 1344 } | |
| 1345 | |
| 1346 // Make sure we don't create overly complicated pipelines | |
| 1347 // for a few common use cases. | |
| 1348 TEST_F(GLHelperTest, CheckSpecificPipelines) { | |
| 1349 // Upscale should be single pass. | |
| 1350 CheckPipeline(content::GLHelper::SCALER_QUALITY_GOOD, | |
| 1351 1024, | |
| 1352 700, | |
| 1353 1280, | |
| 1354 720, | |
| 1355 "1024x700 -> 1280x720 bilinear\n"); | |
| 1356 // Slight downscale should use BILINEAR2X2. | |
| 1357 CheckPipeline(content::GLHelper::SCALER_QUALITY_GOOD, | |
| 1358 1280, | |
| 1359 720, | |
| 1360 1024, | |
| 1361 700, | |
| 1362 "1280x720 -> 1024x700 bilinear2x2\n"); | |
| 1363 // Most common tab capture pipeline on the Pixel. | |
| 1364 // Should be using two BILINEAR3 passes. | |
| 1365 CheckPipeline(content::GLHelper::SCALER_QUALITY_GOOD, | |
| 1366 2560, | |
| 1367 1476, | |
| 1368 1249, | |
| 1369 720, | |
| 1370 "2560x1476 -> 2560x720 bilinear3 Y\n" | |
| 1371 "2560x720 -> 1249x720 bilinear3 X\n"); | |
| 1372 } | |
| 1373 | |
| 1374 TEST_F(GLHelperTest, ScalerOpTest) { | |
| 1375 for (int allow3 = 0; allow3 <= 1; allow3++) { | |
| 1376 for (int dst = 1; dst < 2049; dst += 1 + (dst >> 3)) { | |
| 1377 for (int src = 1; src < 2049; src++) { | |
| 1378 TestAddOps(src, dst, allow3 == 1, (src & 1) == 1); | |
| 1379 if (HasFailure()) { | |
| 1380 LOG(ERROR) << "Failed for src=" << src << " dst=" << dst | |
| 1381 << " allow3=" << allow3; | |
| 1382 return; | |
| 1383 } | |
| 1384 } | |
| 1385 } | |
| 1386 } | |
| 1387 } | |
| 1388 | |
| 1389 TEST_F(GLHelperTest, CheckOptimizations) { | |
| 1390 // Test in baseclass since it is friends with GLHelperScaling | |
| 1391 CheckOptimizationsTest(); | |
| 1392 } | |
| 1393 | |
| 1394 } // namespace | |
| 1395 | |
| 1396 // These tests needs to run against a proper GL environment, so we | |
| 1397 // need to set it up before we can run the tests. | |
| 1398 int main(int argc, char** argv) { | |
| 1399 CommandLine::Init(argc, argv); | |
| 1400 base::TestSuite* suite = new content::ContentTestSuite(argc, argv); | |
| 1401 #if defined(OS_MACOSX) | |
| 1402 base::mac::ScopedNSAutoreleasePool pool; | |
| 1403 #endif | |
| 1404 #if defined(TOOLKIT_GTK) | |
| 1405 gfx::GtkInitFromCommandLine(*CommandLine::ForCurrentProcess()); | |
| 1406 #endif | |
| 1407 gfx::GLSurface::InitializeOneOff(); | |
| 1408 gpu::ApplyGpuDriverBugWorkarounds(CommandLine::ForCurrentProcess()); | |
| 1409 | |
| 1410 content::UnitTestTestSuite runner(suite); | |
| 1411 base::MessageLoop message_loop; | |
| 1412 return runner.Run(); | |
| 1413 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 138433004:
Normalize _unittest.cc filename suffix for unittests (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src