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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 <stddef.h> | |
| 6 #include <stdint.h> | |
| 7 #include <stdio.h> | |
| 8 #include <string.h> | |
| 9 #include <cmath> | |
| 10 #include <string> | |
| 11 #include <vector> | |
| 12 | |
| 13 #include <GLES2/gl2.h> | |
| 14 #include <GLES2/gl2ext.h> | |
| 15 #include <GLES2/gl2extchromium.h> | |
| 16 | |
| 17 #include "base/at_exit.h" | |
| 18 #include "base/bind.h" | |
| 19 #include "base/command_line.h" | |
| 20 #include "base/files/file_util.h" | |
| 21 #include "base/json/json_reader.h" | |
| 22 #include "base/macros.h" | |
| 23 #include "base/memory/ref_counted_memory.h" | |
| 24 #include "base/message_loop/message_loop.h" | |
| 25 #include "base/run_loop.h" | |
| 26 #include "base/strings/stringprintf.h" | |
| 27 #include "base/synchronization/waitable_event.h" | |
| 28 #include "base/test/launcher/unit_test_launcher.h" | |
| 29 #include "base/test/test_suite.h" | |
| 30 #include "base/time/time.h" | |
| 31 #include "base/trace_event/trace_event.h" | |
| 32 #include "content/common/gpu/client/gl_helper.h" | |
| 33 #include "content/common/gpu/client/gl_helper_readback_support.h" | |
| 34 #include "content/common/gpu/client/gl_helper_scaling.h" | |
| 35 #include "gpu/command_buffer/client/gl_in_process_context.h" | |
| 36 #include "gpu/command_buffer/client/gles2_implementation.h" | |
| 37 #include "media/base/video_frame.h" | |
| 38 #include "testing/gtest/include/gtest/gtest.h" | |
| 39 #include "third_party/skia/include/core/SkBitmap.h" | |
| 40 #include "third_party/skia/include/core/SkTypes.h" | |
| 41 #include "ui/gl/gl_implementation.h" | |
| 42 | |
| 43 namespace content { | |
| 44 | |
| 45 content::GLHelper::ScalerQuality kQualities[] = { | |
| 46 content::GLHelper::SCALER_QUALITY_BEST, | |
| 47 content::GLHelper::SCALER_QUALITY_GOOD, | |
| 48 content::GLHelper::SCALER_QUALITY_FAST, }; | |
| 49 | |
| 50 const char* kQualityNames[] = {"best", "good", "fast", }; | |
| 51 | |
| 52 class GLHelperTest : public testing::Test { | |
| 53 protected: | |
| 54 void SetUp() override { | |
| 55 gpu::gles2::ContextCreationAttribHelper attributes; | |
| 56 attributes.alpha_size = 8; | |
| 57 attributes.depth_size = 24; | |
| 58 attributes.red_size = 8; | |
| 59 attributes.green_size = 8; | |
| 60 attributes.blue_size = 8; | |
| 61 attributes.stencil_size = 8; | |
| 62 attributes.samples = 4; | |
| 63 attributes.sample_buffers = 1; | |
| 64 attributes.bind_generates_resource = false; | |
| 65 | |
| 66 context_.reset(gpu::GLInProcessContext::Create( | |
| 67 nullptr, /* service */ | |
| 68 nullptr, /* surface */ | |
| 69 true, /* offscreen */ | |
| 70 gfx::kNullAcceleratedWidget, /* window */ | |
| 71 gfx::Size(1, 1), /* size */ | |
| 72 nullptr, /* share_context */ | |
| 73 true, /* use_global_share_group */ | |
| 74 attributes, gfx::PreferDiscreteGpu, | |
| 75 ::gpu::GLInProcessContextSharedMemoryLimits(), | |
| 76 nullptr, /* gpu_memory_buffer_manager */ | |
| 77 nullptr /* image_factory */)); | |
| 78 gl_ = context_->GetImplementation(); | |
| 79 gpu::ContextSupport* support = context_->GetImplementation(); | |
| 80 | |
| 81 helper_.reset(new content::GLHelper(gl_, support)); | |
| 82 helper_scaling_.reset(new content::GLHelperScaling(gl_, helper_.get())); | |
| 83 } | |
| 84 | |
| 85 void TearDown() override { | |
| 86 helper_scaling_.reset(NULL); | |
| 87 helper_.reset(NULL); | |
| 88 context_.reset(NULL); | |
| 89 } | |
| 90 | |
| 91 void StartTracing(const std::string& filter) { | |
| 92 base::trace_event::TraceLog::GetInstance()->SetEnabled( | |
| 93 base::trace_event::TraceConfig(filter, | |
| 94 base::trace_event::RECORD_UNTIL_FULL), | |
| 95 base::trace_event::TraceLog::RECORDING_MODE); | |
| 96 } | |
| 97 | |
| 98 static void TraceDataCB( | |
| 99 const base::Callback<void()>& callback, | |
| 100 std::string* output, | |
| 101 const scoped_refptr<base::RefCountedString>& json_events_str, | |
| 102 bool has_more_events) { | |
| 103 if (output->size() > 1 && !json_events_str->data().empty()) { | |
| 104 output->append(","); | |
| 105 } | |
| 106 output->append(json_events_str->data()); | |
| 107 if (!has_more_events) { | |
| 108 callback.Run(); | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 // End tracing, return tracing data in a simple map | |
| 113 // of event name->counts. | |
| 114 void EndTracing(std::map<std::string, int>* event_counts) { | |
| 115 std::string json_data = "["; | |
| 116 base::trace_event::TraceLog::GetInstance()->SetDisabled(); | |
| 117 base::RunLoop run_loop; | |
| 118 base::trace_event::TraceLog::GetInstance()->Flush( | |
| 119 base::Bind(&GLHelperTest::TraceDataCB, | |
| 120 run_loop.QuitClosure(), | |
| 121 base::Unretained(&json_data))); | |
| 122 run_loop.Run(); | |
| 123 json_data.append("]"); | |
| 124 | |
| 125 std::string error_msg; | |
| 126 scoped_ptr<base::Value> trace_data = | |
| 127 base::JSONReader::ReadAndReturnError(json_data, 0, NULL, &error_msg); | |
| 128 CHECK(trace_data) | |
| 129 << "JSON parsing failed (" << error_msg << ") JSON data:" << std::endl | |
| 130 << json_data; | |
| 131 | |
| 132 base::ListValue* list; | |
| 133 CHECK(trace_data->GetAsList(&list)); | |
| 134 for (size_t i = 0; i < list->GetSize(); i++) { | |
| 135 base::Value* item = NULL; | |
| 136 if (list->Get(i, &item)) { | |
| 137 base::DictionaryValue* dict; | |
| 138 CHECK(item->GetAsDictionary(&dict)); | |
| 139 std::string name; | |
| 140 CHECK(dict->GetString("name", &name)); | |
| 141 std::string trace_type; | |
| 142 CHECK(dict->GetString("ph", &trace_type)); | |
| 143 // Count all except END traces, as they come in BEGIN/END pairs. | |
| 144 if (trace_type != "E" && trace_type != "e") | |
| 145 (*event_counts)[name]++; | |
| 146 VLOG(1) << "trace name: " << name; | |
| 147 } | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 // Bicubic filter kernel function. | |
| 152 static float Bicubic(float x) { | |
| 153 const float a = -0.5; | |
| 154 x = std::abs(x); | |
| 155 float x2 = x * x; | |
| 156 float x3 = x2 * x; | |
| 157 if (x <= 1) { | |
| 158 return (a + 2) * x3 - (a + 3) * x2 + 1; | |
| 159 } else if (x < 2) { | |
| 160 return a * x3 - 5 * a * x2 + 8 * a * x - 4 * a; | |
| 161 } else { | |
| 162 return 0.0f; | |
| 163 } | |
| 164 } | |
| 165 | |
| 166 // Look up a single channel value. Works for 4-channel and single channel | |
| 167 // bitmaps. Clamp x/y. | |
| 168 int Channel(SkBitmap* pixels, int x, int y, int c) { | |
| 169 if (pixels->bytesPerPixel() == 4) { | |
| 170 uint32_t* data = | |
| 171 pixels->getAddr32(std::max(0, std::min(x, pixels->width() - 1)), | |
| 172 std::max(0, std::min(y, pixels->height() - 1))); | |
| 173 return (*data) >> (c * 8) & 0xff; | |
| 174 } else { | |
| 175 DCHECK_EQ(pixels->bytesPerPixel(), 1); | |
| 176 DCHECK_EQ(c, 0); | |
| 177 return *pixels->getAddr8(std::max(0, std::min(x, pixels->width() - 1)), | |
| 178 std::max(0, std::min(y, pixels->height() - 1))); | |
| 179 } | |
| 180 } | |
| 181 | |
| 182 // Set a single channel value. Works for 4-channel and single channel | |
| 183 // bitmaps. Clamp x/y. | |
| 184 void SetChannel(SkBitmap* pixels, int x, int y, int c, int v) { | |
| 185 DCHECK_GE(x, 0); | |
| 186 DCHECK_GE(y, 0); | |
| 187 DCHECK_LT(x, pixels->width()); | |
| 188 DCHECK_LT(y, pixels->height()); | |
| 189 if (pixels->bytesPerPixel() == 4) { | |
| 190 uint32_t* data = pixels->getAddr32(x, y); | |
| 191 v = std::max(0, std::min(v, 255)); | |
| 192 *data = (*data & ~(0xffu << (c * 8))) | (v << (c * 8)); | |
| 193 } else { | |
| 194 DCHECK_EQ(pixels->bytesPerPixel(), 1); | |
| 195 DCHECK_EQ(c, 0); | |
| 196 uint8_t* data = pixels->getAddr8(x, y); | |
| 197 v = std::max(0, std::min(v, 255)); | |
| 198 *data = v; | |
| 199 } | |
| 200 } | |
| 201 | |
| 202 // Print all the R, G, B or A values from an SkBitmap in a | |
| 203 // human-readable format. | |
| 204 void PrintChannel(SkBitmap* pixels, int c) { | |
| 205 for (int y = 0; y < pixels->height(); y++) { | |
| 206 std::string formatted; | |
| 207 for (int x = 0; x < pixels->width(); x++) { | |
| 208 formatted.append(base::StringPrintf("%3d, ", Channel(pixels, x, y, c))); | |
| 209 } | |
| 210 LOG(ERROR) << formatted; | |
| 211 } | |
| 212 } | |
| 213 | |
| 214 // Print out the individual steps of a scaler pipeline. | |
| 215 std::string PrintStages( | |
| 216 const std::vector<GLHelperScaling::ScalerStage>& scaler_stages) { | |
| 217 std::string ret; | |
| 218 for (size_t i = 0; i < scaler_stages.size(); i++) { | |
| 219 ret.append(base::StringPrintf("%dx%d -> %dx%d ", | |
| 220 scaler_stages[i].src_size.width(), | |
| 221 scaler_stages[i].src_size.height(), | |
| 222 scaler_stages[i].dst_size.width(), | |
| 223 scaler_stages[i].dst_size.height())); | |
| 224 bool xy_matters = false; | |
| 225 switch (scaler_stages[i].shader) { | |
| 226 case GLHelperScaling::SHADER_BILINEAR: | |
| 227 ret.append("bilinear"); | |
| 228 break; | |
| 229 case GLHelperScaling::SHADER_BILINEAR2: | |
| 230 ret.append("bilinear2"); | |
| 231 xy_matters = true; | |
| 232 break; | |
| 233 case GLHelperScaling::SHADER_BILINEAR3: | |
| 234 ret.append("bilinear3"); | |
| 235 xy_matters = true; | |
| 236 break; | |
| 237 case GLHelperScaling::SHADER_BILINEAR4: | |
| 238 ret.append("bilinear4"); | |
| 239 xy_matters = true; | |
| 240 break; | |
| 241 case GLHelperScaling::SHADER_BILINEAR2X2: | |
| 242 ret.append("bilinear2x2"); | |
| 243 break; | |
| 244 case GLHelperScaling::SHADER_BICUBIC_UPSCALE: | |
| 245 ret.append("bicubic upscale"); | |
| 246 xy_matters = true; | |
| 247 break; | |
| 248 case GLHelperScaling::SHADER_BICUBIC_HALF_1D: | |
| 249 ret.append("bicubic 1/2"); | |
| 250 xy_matters = true; | |
| 251 break; | |
| 252 case GLHelperScaling::SHADER_PLANAR: | |
| 253 ret.append("planar"); | |
| 254 break; | |
| 255 case GLHelperScaling::SHADER_YUV_MRT_PASS1: | |
| 256 ret.append("rgb2yuv pass 1"); | |
| 257 break; | |
| 258 case GLHelperScaling::SHADER_YUV_MRT_PASS2: | |
| 259 ret.append("rgb2yuv pass 2"); | |
| 260 break; | |
| 261 } | |
| 262 | |
| 263 if (xy_matters) { | |
| 264 if (scaler_stages[i].scale_x) { | |
| 265 ret.append(" X"); | |
| 266 } else { | |
| 267 ret.append(" Y"); | |
| 268 } | |
| 269 } | |
| 270 ret.append("\n"); | |
| 271 } | |
| 272 return ret; | |
| 273 } | |
| 274 | |
| 275 bool CheckScale(double scale, int samples, bool already_scaled) { | |
| 276 // 1:1 is valid if there is one sample. | |
| 277 if (samples == 1 && scale == 1.0) { | |
| 278 return true; | |
| 279 } | |
| 280 // Is it an exact down-scale (50%, 25%, etc.?) | |
| 281 if (scale == 2.0 * samples) { | |
| 282 return true; | |
| 283 } | |
| 284 // Upscales, only valid if we haven't already scaled in this dimension. | |
| 285 if (!already_scaled) { | |
| 286 // Is it a valid bilinear upscale? | |
| 287 if (samples == 1 && scale <= 1.0) { | |
| 288 return true; | |
| 289 } | |
| 290 // Multi-sample upscale-downscale combination? | |
| 291 if (scale > samples / 2.0 && scale < samples) { | |
| 292 return true; | |
| 293 } | |
| 294 } | |
| 295 return false; | |
| 296 } | |
| 297 | |
| 298 // Make sure that the stages of the scaler pipeline are sane. | |
| 299 void ValidateScalerStages( | |
| 300 content::GLHelper::ScalerQuality quality, | |
| 301 const std::vector<GLHelperScaling::ScalerStage>& scaler_stages, | |
| 302 const gfx::Size& dst_size, | |
| 303 const std::string& message) { | |
| 304 bool previous_error = HasFailure(); | |
| 305 // First, check that the input size for each stage is equal to | |
| 306 // the output size of the previous stage. | |
| 307 for (size_t i = 1; i < scaler_stages.size(); i++) { | |
| 308 EXPECT_EQ(scaler_stages[i - 1].dst_size.width(), | |
| 309 scaler_stages[i].src_size.width()); | |
| 310 EXPECT_EQ(scaler_stages[i - 1].dst_size.height(), | |
| 311 scaler_stages[i].src_size.height()); | |
| 312 EXPECT_EQ(scaler_stages[i].src_subrect.x(), 0); | |
| 313 EXPECT_EQ(scaler_stages[i].src_subrect.y(), 0); | |
| 314 EXPECT_EQ(scaler_stages[i].src_subrect.width(), | |
| 315 scaler_stages[i].src_size.width()); | |
| 316 EXPECT_EQ(scaler_stages[i].src_subrect.height(), | |
| 317 scaler_stages[i].src_size.height()); | |
| 318 } | |
| 319 | |
| 320 // Check the output size matches the destination of the last stage | |
| 321 EXPECT_EQ(scaler_stages[scaler_stages.size() - 1].dst_size.width(), | |
| 322 dst_size.width()); | |
| 323 EXPECT_EQ(scaler_stages[scaler_stages.size() - 1].dst_size.height(), | |
| 324 dst_size.height()); | |
| 325 | |
| 326 // Used to verify that up-scales are not attempted after some | |
| 327 // other scale. | |
| 328 bool scaled_x = false; | |
| 329 bool scaled_y = false; | |
| 330 | |
| 331 for (size_t i = 0; i < scaler_stages.size(); i++) { | |
| 332 // Note: 2.0 means scaling down by 50% | |
| 333 double x_scale = | |
| 334 static_cast<double>(scaler_stages[i].src_subrect.width()) / | |
| 335 static_cast<double>(scaler_stages[i].dst_size.width()); | |
| 336 double y_scale = | |
| 337 static_cast<double>(scaler_stages[i].src_subrect.height()) / | |
| 338 static_cast<double>(scaler_stages[i].dst_size.height()); | |
| 339 | |
| 340 int x_samples = 0; | |
| 341 int y_samples = 0; | |
| 342 | |
| 343 // Codify valid scale operations. | |
| 344 switch (scaler_stages[i].shader) { | |
| 345 case GLHelperScaling::SHADER_PLANAR: | |
| 346 case GLHelperScaling::SHADER_YUV_MRT_PASS1: | |
| 347 case GLHelperScaling::SHADER_YUV_MRT_PASS2: | |
| 348 EXPECT_TRUE(false) << "Invalid shader."; | |
| 349 break; | |
| 350 | |
| 351 case GLHelperScaling::SHADER_BILINEAR: | |
| 352 if (quality != content::GLHelper::SCALER_QUALITY_FAST) { | |
| 353 x_samples = 1; | |
| 354 y_samples = 1; | |
| 355 } | |
| 356 break; | |
| 357 case GLHelperScaling::SHADER_BILINEAR2: | |
| 358 x_samples = 2; | |
| 359 y_samples = 1; | |
| 360 break; | |
| 361 case GLHelperScaling::SHADER_BILINEAR3: | |
| 362 x_samples = 3; | |
| 363 y_samples = 1; | |
| 364 break; | |
| 365 case GLHelperScaling::SHADER_BILINEAR4: | |
| 366 x_samples = 4; | |
| 367 y_samples = 1; | |
| 368 break; | |
| 369 case GLHelperScaling::SHADER_BILINEAR2X2: | |
| 370 x_samples = 2; | |
| 371 y_samples = 2; | |
| 372 break; | |
| 373 case GLHelperScaling::SHADER_BICUBIC_UPSCALE: | |
| 374 if (scaler_stages[i].scale_x) { | |
| 375 EXPECT_LT(x_scale, 1.0); | |
| 376 EXPECT_EQ(y_scale, 1.0); | |
| 377 } else { | |
| 378 EXPECT_EQ(x_scale, 1.0); | |
| 379 EXPECT_LT(y_scale, 1.0); | |
| 380 } | |
| 381 break; | |
| 382 case GLHelperScaling::SHADER_BICUBIC_HALF_1D: | |
| 383 if (scaler_stages[i].scale_x) { | |
| 384 EXPECT_EQ(x_scale, 2.0); | |
| 385 EXPECT_EQ(y_scale, 1.0); | |
| 386 } else { | |
| 387 EXPECT_EQ(x_scale, 1.0); | |
| 388 EXPECT_EQ(y_scale, 2.0); | |
| 389 } | |
| 390 break; | |
| 391 } | |
| 392 | |
| 393 if (!scaler_stages[i].scale_x) { | |
| 394 std::swap(x_samples, y_samples); | |
| 395 } | |
| 396 | |
| 397 if (x_samples) { | |
| 398 EXPECT_TRUE(CheckScale(x_scale, x_samples, scaled_x)) | |
| 399 << "x_scale = " << x_scale; | |
| 400 } | |
| 401 if (y_samples) { | |
| 402 EXPECT_TRUE(CheckScale(y_scale, y_samples, scaled_y)) | |
| 403 << "y_scale = " << y_scale; | |
| 404 } | |
| 405 | |
| 406 if (x_scale != 1.0) { | |
| 407 scaled_x = true; | |
| 408 } | |
| 409 if (y_scale != 1.0) { | |
| 410 scaled_y = true; | |
| 411 } | |
| 412 } | |
| 413 | |
| 414 if (HasFailure() && !previous_error) { | |
| 415 LOG(ERROR) << "Invalid scaler stages: " << message; | |
| 416 LOG(ERROR) << "Scaler stages:"; | |
| 417 LOG(ERROR) << PrintStages(scaler_stages); | |
| 418 } | |
| 419 } | |
| 420 | |
| 421 // Compares two bitmaps taking color types into account. Checks whether each | |
| 422 // component of each pixel is no more than |maxdiff| apart. If bitmaps are not | |
| 423 // similar enough, prints out |truth|, |other|, |source|, |scaler_stages| | |
| 424 // and |message|. | |
| 425 void Compare(SkBitmap* truth, | |
| 426 SkBitmap* other, | |
| 427 int maxdiff, | |
| 428 SkBitmap* source, | |
| 429 const std::vector<GLHelperScaling::ScalerStage>& scaler_stages, | |
| 430 std::string message) { | |
| 431 EXPECT_EQ(truth->width(), other->width()); | |
| 432 EXPECT_EQ(truth->height(), other->height()); | |
| 433 bool swizzle = (truth->colorType() == kRGBA_8888_SkColorType && | |
| 434 other->colorType() == kBGRA_8888_SkColorType) || | |
| 435 (truth->colorType() == kBGRA_8888_SkColorType && | |
| 436 other->colorType() == kRGBA_8888_SkColorType); | |
| 437 EXPECT_TRUE(swizzle || truth->colorType() == other->colorType()); | |
| 438 int bpp = truth->bytesPerPixel(); | |
| 439 for (int x = 0; x < truth->width(); x++) { | |
| 440 for (int y = 0; y < truth->height(); y++) { | |
| 441 for (int c = 0; c < bpp; c++) { | |
| 442 int a = Channel(truth, x, y, c); | |
| 443 // swizzle when comparing if needed | |
| 444 int b = swizzle && (c == 0 || c == 2) | |
| 445 ? Channel(other, x, y, (c + 2) & 2) | |
| 446 : Channel(other, x, y, c); | |
| 447 EXPECT_NEAR(a, b, maxdiff) << " x=" << x << " y=" << y << " c=" << c | |
| 448 << " " << message; | |
| 449 if (std::abs(a - b) > maxdiff) { | |
| 450 LOG(ERROR) << "-------expected--------"; | |
| 451 for (int i = 0; i < bpp; i++) { | |
| 452 LOG(ERROR) << "Channel " << i << ":"; | |
| 453 PrintChannel(truth, i); | |
| 454 } | |
| 455 LOG(ERROR) << "-------actual--------"; | |
| 456 for (int i = 0; i < bpp; i++) { | |
| 457 LOG(ERROR) << "Channel " << i << ":"; | |
| 458 PrintChannel(other, i); | |
| 459 } | |
| 460 if (source) { | |
| 461 LOG(ERROR) << "-------original--------"; | |
| 462 for (int i = 0; i < source->bytesPerPixel(); i++) { | |
| 463 LOG(ERROR) << "Channel " << i << ":"; | |
| 464 PrintChannel(source, i); | |
| 465 } | |
| 466 } | |
| 467 LOG(ERROR) << "-----Scaler stages------"; | |
| 468 LOG(ERROR) << PrintStages(scaler_stages); | |
| 469 return; | |
| 470 } | |
| 471 } | |
| 472 } | |
| 473 } | |
| 474 } | |
| 475 | |
| 476 // Get a single R, G, B or A value as a float. | |
| 477 float ChannelAsFloat(SkBitmap* pixels, int x, int y, int c) { | |
| 478 return Channel(pixels, x, y, c) / 255.0; | |
| 479 } | |
| 480 | |
| 481 // Works like a GL_LINEAR lookup on an SkBitmap. | |
| 482 float Bilinear(SkBitmap* pixels, float x, float y, int c) { | |
| 483 x -= 0.5; | |
| 484 y -= 0.5; | |
| 485 int base_x = static_cast<int>(floorf(x)); | |
| 486 int base_y = static_cast<int>(floorf(y)); | |
| 487 x -= base_x; | |
| 488 y -= base_y; | |
| 489 return (ChannelAsFloat(pixels, base_x, base_y, c) * (1 - x) * (1 - y) + | |
| 490 ChannelAsFloat(pixels, base_x + 1, base_y, c) * x * (1 - y) + | |
| 491 ChannelAsFloat(pixels, base_x, base_y + 1, c) * (1 - x) * y + | |
| 492 ChannelAsFloat(pixels, base_x + 1, base_y + 1, c) * x * y); | |
| 493 } | |
| 494 | |
| 495 // Encodes an RGBA bitmap to grayscale. | |
| 496 // Reference implementation for | |
| 497 // GLHelper::CopyToTextureImpl::EncodeTextureAsGrayscale. | |
| 498 void EncodeToGrayscaleSlow(SkBitmap* input, SkBitmap* output) { | |
| 499 const float kRGBtoGrayscaleColorWeights[3] = {0.213f, 0.715f, 0.072f}; | |
| 500 CHECK_EQ(kAlpha_8_SkColorType, output->colorType()); | |
| 501 CHECK_EQ(input->width(), output->width()); | |
| 502 CHECK_EQ(input->height(), output->height()); | |
| 503 CHECK_EQ(input->colorType(), kRGBA_8888_SkColorType); | |
| 504 | |
| 505 for (int dst_y = 0; dst_y < output->height(); dst_y++) { | |
| 506 for (int dst_x = 0; dst_x < output->width(); dst_x++) { | |
| 507 float c0 = ChannelAsFloat(input, dst_x, dst_y, 0); | |
| 508 float c1 = ChannelAsFloat(input, dst_x, dst_y, 1); | |
| 509 float c2 = ChannelAsFloat(input, dst_x, dst_y, 2); | |
| 510 float value = c0 * kRGBtoGrayscaleColorWeights[0] + | |
| 511 c1 * kRGBtoGrayscaleColorWeights[1] + | |
| 512 c2 * kRGBtoGrayscaleColorWeights[2]; | |
| 513 SetChannel( | |
| 514 output, dst_x, dst_y, 0, static_cast<int>(value * 255.0f + 0.5f)); | |
| 515 } | |
| 516 } | |
| 517 } | |
| 518 | |
| 519 // Very slow bicubic / bilinear scaler for reference. | |
| 520 void ScaleSlow(SkBitmap* input, | |
| 521 SkBitmap* output, | |
| 522 content::GLHelper::ScalerQuality quality) { | |
| 523 float xscale = static_cast<float>(input->width()) / output->width(); | |
| 524 float yscale = static_cast<float>(input->height()) / output->height(); | |
| 525 float clamped_xscale = xscale < 1.0 ? 1.0 : 1.0 / xscale; | |
| 526 float clamped_yscale = yscale < 1.0 ? 1.0 : 1.0 / yscale; | |
| 527 for (int dst_y = 0; dst_y < output->height(); dst_y++) { | |
| 528 for (int dst_x = 0; dst_x < output->width(); dst_x++) { | |
| 529 for (int channel = 0; channel < 4; channel++) { | |
| 530 float dst_x_in_src = (dst_x + 0.5f) * xscale; | |
| 531 float dst_y_in_src = (dst_y + 0.5f) * yscale; | |
| 532 | |
| 533 float value = 0.0f; | |
| 534 float sum = 0.0f; | |
| 535 switch (quality) { | |
| 536 case content::GLHelper::SCALER_QUALITY_BEST: | |
| 537 for (int src_y = -10; src_y < input->height() + 10; ++src_y) { | |
| 538 float coeff_y = | |
| 539 Bicubic((src_y + 0.5f - dst_y_in_src) * clamped_yscale); | |
| 540 if (coeff_y == 0.0f) { | |
| 541 continue; | |
| 542 } | |
| 543 for (int src_x = -10; src_x < input->width() + 10; ++src_x) { | |
| 544 float coeff = | |
| 545 coeff_y * | |
| 546 Bicubic((src_x + 0.5f - dst_x_in_src) * clamped_xscale); | |
| 547 if (coeff == 0.0f) { | |
| 548 continue; | |
| 549 } | |
| 550 sum += coeff; | |
| 551 float c = ChannelAsFloat(input, src_x, src_y, channel); | |
| 552 value += c * coeff; | |
| 553 } | |
| 554 } | |
| 555 break; | |
| 556 | |
| 557 case content::GLHelper::SCALER_QUALITY_GOOD: { | |
| 558 int xshift = 0, yshift = 0; | |
| 559 while ((output->width() << xshift) < input->width()) { | |
| 560 xshift++; | |
| 561 } | |
| 562 while ((output->height() << yshift) < input->height()) { | |
| 563 yshift++; | |
| 564 } | |
| 565 int xmag = 1 << xshift; | |
| 566 int ymag = 1 << yshift; | |
| 567 if (xmag == 4 && output->width() * 3 >= input->width()) { | |
| 568 xmag = 3; | |
| 569 } | |
| 570 if (ymag == 4 && output->height() * 3 >= input->height()) { | |
| 571 ymag = 3; | |
| 572 } | |
| 573 for (int x = 0; x < xmag; x++) { | |
| 574 for (int y = 0; y < ymag; y++) { | |
| 575 value += Bilinear(input, | |
| 576 (dst_x * xmag + x + 0.5) * xscale / xmag, | |
| 577 (dst_y * ymag + y + 0.5) * yscale / ymag, | |
| 578 channel); | |
| 579 sum += 1.0; | |
| 580 } | |
| 581 } | |
| 582 break; | |
| 583 } | |
| 584 | |
| 585 case content::GLHelper::SCALER_QUALITY_FAST: | |
| 586 value = Bilinear(input, dst_x_in_src, dst_y_in_src, channel); | |
| 587 sum = 1.0; | |
| 588 } | |
| 589 value /= sum; | |
| 590 SetChannel(output, | |
| 591 dst_x, | |
| 592 dst_y, | |
| 593 channel, | |
| 594 static_cast<int>(value * 255.0f + 0.5f)); | |
| 595 } | |
| 596 } | |
| 597 } | |
| 598 } | |
| 599 | |
| 600 void FlipSKBitmap(SkBitmap* bitmap) { | |
| 601 int bpp = bitmap->bytesPerPixel(); | |
| 602 DCHECK(bpp == 4 || bpp == 1); | |
| 603 int top_line = 0; | |
| 604 int bottom_line = bitmap->height() - 1; | |
| 605 while (top_line < bottom_line) { | |
| 606 for (int x = 0; x < bitmap->width(); x++) { | |
| 607 bpp == 4 ? std::swap(*bitmap->getAddr32(x, top_line), | |
| 608 *bitmap->getAddr32(x, bottom_line)) | |
| 609 : std::swap(*bitmap->getAddr8(x, top_line), | |
| 610 *bitmap->getAddr8(x, bottom_line)); | |
| 611 } | |
| 612 top_line++; | |
| 613 bottom_line--; | |
| 614 } | |
| 615 } | |
| 616 | |
| 617 // Swaps red and blue channels in each pixel in a 32-bit bitmap. | |
| 618 void SwizzleSKBitmap(SkBitmap* bitmap) { | |
| 619 int bpp = bitmap->bytesPerPixel(); | |
| 620 DCHECK(bpp == 4); | |
| 621 for (int y = 0; y < bitmap->height(); y++) { | |
| 622 for (int x = 0; x < bitmap->width(); x++) { | |
| 623 // Swap channels 0 and 2 (red and blue) | |
| 624 int c0 = Channel(bitmap, x, y, 0); | |
| 625 int c2 = Channel(bitmap, x, y, 2); | |
| 626 SetChannel(bitmap, x, y, 2, c0); | |
| 627 SetChannel(bitmap, x, y, 0, c2); | |
| 628 } | |
| 629 } | |
| 630 } | |
| 631 | |
| 632 // gl_helper scales recursively, so we'll need to do that | |
| 633 // in the reference implementation too. | |
| 634 void ScaleSlowRecursive(SkBitmap* input, | |
| 635 SkBitmap* output, | |
| 636 content::GLHelper::ScalerQuality quality) { | |
| 637 if (quality == content::GLHelper::SCALER_QUALITY_FAST || | |
| 638 quality == content::GLHelper::SCALER_QUALITY_GOOD) { | |
| 639 ScaleSlow(input, output, quality); | |
| 640 return; | |
| 641 } | |
| 642 | |
| 643 float xscale = static_cast<float>(output->width()) / input->width(); | |
| 644 | |
| 645 // This corresponds to all the operations we can do directly. | |
| 646 float yscale = static_cast<float>(output->height()) / input->height(); | |
| 647 if ((xscale == 1.0f && yscale == 1.0f) || | |
| 648 (xscale == 0.5f && yscale == 1.0f) || | |
| 649 (xscale == 1.0f && yscale == 0.5f) || | |
| 650 (xscale >= 1.0f && yscale == 1.0f) || | |
| 651 (xscale == 1.0f && yscale >= 1.0f)) { | |
| 652 ScaleSlow(input, output, quality); | |
| 653 return; | |
| 654 } | |
| 655 | |
| 656 // Now we break the problem down into smaller pieces, using the | |
| 657 // operations available. | |
| 658 int xtmp = input->width(); | |
| 659 int ytmp = input->height(); | |
| 660 | |
| 661 if (output->height() != input->height()) { | |
| 662 ytmp = output->height(); | |
| 663 while (ytmp < input->height() && ytmp * 2 != input->height()) { | |
| 664 ytmp += ytmp; | |
| 665 } | |
| 666 } else { | |
| 667 xtmp = output->width(); | |
| 668 while (xtmp < input->width() && xtmp * 2 != input->width()) { | |
| 669 xtmp += xtmp; | |
| 670 } | |
| 671 } | |
| 672 | |
| 673 SkBitmap tmp; | |
| 674 tmp.allocN32Pixels(xtmp, ytmp); | |
| 675 | |
| 676 ScaleSlowRecursive(input, &tmp, quality); | |
| 677 ScaleSlowRecursive(&tmp, output, quality); | |
| 678 } | |
| 679 | |
| 680 // Creates an RGBA SkBitmap | |
| 681 scoped_ptr<SkBitmap> CreateTestBitmap(int width, | |
| 682 int height, | |
| 683 int test_pattern) { | |
| 684 scoped_ptr<SkBitmap> bitmap(new SkBitmap); | |
| 685 bitmap->allocPixels(SkImageInfo::Make( | |
| 686 width, height, kRGBA_8888_SkColorType, kPremul_SkAlphaType)); | |
| 687 | |
| 688 for (int x = 0; x < width; ++x) { | |
| 689 for (int y = 0; y < height; ++y) { | |
| 690 switch (test_pattern) { | |
| 691 case 0: // Smooth test pattern | |
| 692 SetChannel(bitmap.get(), x, y, 0, x * 10); | |
| 693 SetChannel(bitmap.get(), x, y, 0, y == 0 ? x * 50 : x * 10); | |
| 694 SetChannel(bitmap.get(), x, y, 1, y * 10); | |
| 695 SetChannel(bitmap.get(), x, y, 2, (x + y) * 10); | |
| 696 SetChannel(bitmap.get(), x, y, 3, 255); | |
| 697 break; | |
| 698 case 1: // Small blocks | |
| 699 SetChannel(bitmap.get(), x, y, 0, x & 1 ? 255 : 0); | |
| 700 SetChannel(bitmap.get(), x, y, 1, y & 1 ? 255 : 0); | |
| 701 SetChannel(bitmap.get(), x, y, 2, (x + y) & 1 ? 255 : 0); | |
| 702 SetChannel(bitmap.get(), x, y, 3, 255); | |
| 703 break; | |
| 704 case 2: // Medium blocks | |
| 705 SetChannel(bitmap.get(), x, y, 0, 10 + x / 2 * 50); | |
| 706 SetChannel(bitmap.get(), x, y, 1, 10 + y / 3 * 50); | |
| 707 SetChannel(bitmap.get(), x, y, 2, (x + y) / 5 * 50 + 5); | |
| 708 SetChannel(bitmap.get(), x, y, 3, 255); | |
| 709 break; | |
| 710 } | |
| 711 } | |
| 712 } | |
| 713 return bitmap; | |
| 714 } | |
| 715 | |
| 716 // Binds texture and framebuffer and loads the bitmap pixels into the texture. | |
| 717 void BindTextureAndFrameBuffer(GLuint texture, | |
| 718 GLuint framebuffer, | |
| 719 SkBitmap* bitmap, | |
| 720 int width, | |
| 721 int height) { | |
| 722 gl_->BindFramebuffer(GL_FRAMEBUFFER, framebuffer); | |
| 723 gl_->BindTexture(GL_TEXTURE_2D, texture); | |
| 724 gl_->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, | |
| 725 GL_UNSIGNED_BYTE, bitmap->getPixels()); | |
| 726 } | |
| 727 | |
| 728 // Create a test image, transform it using | |
| 729 // GLHelper::CropScaleReadbackAndCleanTexture and a reference implementation | |
| 730 // and compare the results. | |
| 731 void TestCropScaleReadbackAndCleanTexture(int xsize, | |
| 732 int ysize, | |
| 733 int scaled_xsize, | |
| 734 int scaled_ysize, | |
| 735 int test_pattern, | |
| 736 SkColorType out_color_type, | |
| 737 bool swizzle, | |
| 738 size_t quality_index) { | |
| 739 DCHECK(out_color_type == kAlpha_8_SkColorType || | |
| 740 out_color_type == kRGBA_8888_SkColorType || | |
| 741 out_color_type == kBGRA_8888_SkColorType); | |
| 742 GLuint src_texture; | |
| 743 gl_->GenTextures(1, &src_texture); | |
| 744 GLuint framebuffer; | |
| 745 gl_->GenFramebuffers(1, &framebuffer); | |
| 746 scoped_ptr<SkBitmap> input_pixels = | |
| 747 CreateTestBitmap(xsize, ysize, test_pattern); | |
| 748 BindTextureAndFrameBuffer( | |
| 749 src_texture, framebuffer, input_pixels.get(), xsize, ysize); | |
| 750 | |
| 751 std::string message = base::StringPrintf( | |
| 752 "input size: %dx%d " | |
| 753 "output size: %dx%d " | |
| 754 "pattern: %d , quality: %s, " | |
| 755 "out_color_type: %d", | |
| 756 xsize, | |
| 757 ysize, | |
| 758 scaled_xsize, | |
| 759 scaled_ysize, | |
| 760 test_pattern, | |
| 761 kQualityNames[quality_index], | |
| 762 out_color_type); | |
| 763 | |
| 764 // Transform the bitmap using GLHelper::CropScaleReadbackAndCleanTexture. | |
| 765 SkBitmap output_pixels; | |
| 766 output_pixels.allocPixels(SkImageInfo::Make( | |
| 767 scaled_xsize, scaled_ysize, out_color_type, kPremul_SkAlphaType)); | |
| 768 base::RunLoop run_loop; | |
| 769 gfx::Size encoded_texture_size; | |
| 770 helper_->CropScaleReadbackAndCleanTexture( | |
| 771 src_texture, | |
| 772 gfx::Size(xsize, ysize), | |
| 773 gfx::Rect(xsize, ysize), | |
| 774 gfx::Size(scaled_xsize, scaled_ysize), | |
| 775 static_cast<unsigned char*>(output_pixels.getPixels()), | |
| 776 out_color_type, | |
| 777 base::Bind(&callcallback, run_loop.QuitClosure()), | |
| 778 kQualities[quality_index]); | |
| 779 run_loop.Run(); | |
| 780 // CropScaleReadbackAndCleanTexture flips the pixels. Flip them back. | |
| 781 FlipSKBitmap(&output_pixels); | |
| 782 | |
| 783 // If the bitmap shouldn't have changed - compare against input. | |
| 784 if (xsize == scaled_xsize && ysize == scaled_ysize && | |
| 785 out_color_type != kAlpha_8_SkColorType) { | |
| 786 const std::vector<GLHelperScaling::ScalerStage> dummy_stages; | |
| 787 Compare(input_pixels.get(), | |
| 788 &output_pixels, | |
| 789 0, | |
| 790 NULL, | |
| 791 dummy_stages, | |
| 792 message + " comparing against input"); | |
| 793 return; | |
| 794 } | |
| 795 | |
| 796 // Now transform the bitmap using the reference implementation. | |
| 797 SkBitmap scaled_pixels; | |
| 798 scaled_pixels.allocPixels(SkImageInfo::Make(scaled_xsize, | |
| 799 scaled_ysize, | |
| 800 kRGBA_8888_SkColorType, | |
| 801 kPremul_SkAlphaType)); | |
| 802 SkBitmap truth_pixels; | |
| 803 // Step 1: Scale | |
| 804 ScaleSlowRecursive( | |
| 805 input_pixels.get(), &scaled_pixels, kQualities[quality_index]); | |
| 806 // Step 2: Encode to grayscale if needed. | |
| 807 if (out_color_type == kAlpha_8_SkColorType) { | |
| 808 truth_pixels.allocPixels(SkImageInfo::Make( | |
| 809 scaled_xsize, scaled_ysize, out_color_type, kPremul_SkAlphaType)); | |
| 810 EncodeToGrayscaleSlow(&scaled_pixels, &truth_pixels); | |
| 811 } else { | |
| 812 truth_pixels = scaled_pixels; | |
| 813 } | |
| 814 | |
| 815 // Now compare the results. | |
| 816 SkAutoLockPixels lock_input(truth_pixels); | |
| 817 const std::vector<GLHelperScaling::ScalerStage> dummy_stages; | |
| 818 Compare(&truth_pixels, | |
| 819 &output_pixels, | |
| 820 2, | |
| 821 input_pixels.get(), | |
| 822 dummy_stages, | |
| 823 message + " comparing against transformed/scaled"); | |
| 824 | |
| 825 gl_->DeleteTextures(1, &src_texture); | |
| 826 gl_->DeleteFramebuffers(1, &framebuffer); | |
| 827 } | |
| 828 | |
| 829 // Scaling test: Create a test image, scale it using GLHelperScaling | |
| 830 // and a reference implementation and compare the results. | |
| 831 void TestScale(int xsize, | |
| 832 int ysize, | |
| 833 int scaled_xsize, | |
| 834 int scaled_ysize, | |
| 835 int test_pattern, | |
| 836 size_t quality_index, | |
| 837 bool flip) { | |
| 838 GLuint src_texture; | |
| 839 gl_->GenTextures(1, &src_texture); | |
| 840 GLuint framebuffer; | |
| 841 gl_->GenFramebuffers(1, &framebuffer); | |
| 842 scoped_ptr<SkBitmap> input_pixels = | |
| 843 CreateTestBitmap(xsize, ysize, test_pattern); | |
| 844 BindTextureAndFrameBuffer( | |
| 845 src_texture, framebuffer, input_pixels.get(), xsize, ysize); | |
| 846 | |
| 847 std::string message = base::StringPrintf( | |
| 848 "input size: %dx%d " | |
| 849 "output size: %dx%d " | |
| 850 "pattern: %d quality: %s", | |
| 851 xsize, | |
| 852 ysize, | |
| 853 scaled_xsize, | |
| 854 scaled_ysize, | |
| 855 test_pattern, | |
| 856 kQualityNames[quality_index]); | |
| 857 | |
| 858 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 859 helper_scaling_->ComputeScalerStages(kQualities[quality_index], | |
| 860 gfx::Size(xsize, ysize), | |
| 861 gfx::Rect(0, 0, xsize, ysize), | |
| 862 gfx::Size(scaled_xsize, scaled_ysize), | |
| 863 flip, | |
| 864 false, | |
| 865 &stages); | |
| 866 ValidateScalerStages(kQualities[quality_index], | |
| 867 stages, | |
| 868 gfx::Size(scaled_xsize, scaled_ysize), | |
| 869 message); | |
| 870 | |
| 871 GLuint dst_texture = helper_->CopyAndScaleTexture( | |
| 872 src_texture, gfx::Size(xsize, ysize), | |
| 873 gfx::Size(scaled_xsize, scaled_ysize), flip, kQualities[quality_index]); | |
| 874 | |
| 875 SkBitmap output_pixels; | |
| 876 output_pixels.allocPixels(SkImageInfo::Make(scaled_xsize, | |
| 877 scaled_ysize, | |
| 878 kRGBA_8888_SkColorType, | |
| 879 kPremul_SkAlphaType)); | |
| 880 | |
| 881 helper_->ReadbackTextureSync( | |
| 882 dst_texture, | |
| 883 gfx::Rect(0, 0, scaled_xsize, scaled_ysize), | |
| 884 static_cast<unsigned char*>(output_pixels.getPixels()), | |
| 885 kRGBA_8888_SkColorType); | |
| 886 if (flip) { | |
| 887 // Flip the pixels back. | |
| 888 FlipSKBitmap(&output_pixels); | |
| 889 } | |
| 890 | |
| 891 // If the bitmap shouldn't have changed - compare against input. | |
| 892 if (xsize == scaled_xsize && ysize == scaled_ysize) { | |
| 893 Compare(input_pixels.get(), | |
| 894 &output_pixels, | |
| 895 0, | |
| 896 NULL, | |
| 897 stages, | |
| 898 message + " comparing against input"); | |
| 899 return; | |
| 900 } | |
| 901 | |
| 902 // Now scale the bitmap using the reference implementation. | |
| 903 SkBitmap truth_pixels; | |
| 904 truth_pixels.allocPixels(SkImageInfo::Make(scaled_xsize, | |
| 905 scaled_ysize, | |
| 906 kRGBA_8888_SkColorType, | |
| 907 kPremul_SkAlphaType)); | |
| 908 ScaleSlowRecursive( | |
| 909 input_pixels.get(), &truth_pixels, kQualities[quality_index]); | |
| 910 Compare(&truth_pixels, | |
| 911 &output_pixels, | |
| 912 2, | |
| 913 input_pixels.get(), | |
| 914 stages, | |
| 915 message + " comparing against scaled"); | |
| 916 | |
| 917 gl_->DeleteTextures(1, &src_texture); | |
| 918 gl_->DeleteTextures(1, &dst_texture); | |
| 919 gl_->DeleteFramebuffers(1, &framebuffer); | |
| 920 } | |
| 921 | |
| 922 // Create a scaling pipeline and check that it is made up of | |
| 923 // valid scaling operations. | |
| 924 void TestScalerPipeline(size_t quality, | |
| 925 int xsize, | |
| 926 int ysize, | |
| 927 int dst_xsize, | |
| 928 int dst_ysize) { | |
| 929 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 930 helper_scaling_->ComputeScalerStages(kQualities[quality], | |
| 931 gfx::Size(xsize, ysize), | |
| 932 gfx::Rect(0, 0, xsize, ysize), | |
| 933 gfx::Size(dst_xsize, dst_ysize), | |
| 934 false, | |
| 935 false, | |
| 936 &stages); | |
| 937 ValidateScalerStages(kQualities[quality], | |
| 938 stages, | |
| 939 gfx::Size(dst_xsize, dst_ysize), | |
| 940 base::StringPrintf( | |
| 941 "input size: %dx%d " | |
| 942 "output size: %dx%d " | |
| 943 "quality: %s", | |
| 944 xsize, | |
| 945 ysize, | |
| 946 dst_xsize, | |
| 947 dst_ysize, | |
| 948 kQualityNames[quality])); | |
| 949 } | |
| 950 | |
| 951 // Create a scaling pipeline and make sure that the steps | |
| 952 // are exactly the steps we expect. | |
| 953 void CheckPipeline(content::GLHelper::ScalerQuality quality, | |
| 954 int xsize, | |
| 955 int ysize, | |
| 956 int dst_xsize, | |
| 957 int dst_ysize, | |
| 958 const std::string& description) { | |
| 959 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 960 helper_scaling_->ComputeScalerStages(quality, | |
| 961 gfx::Size(xsize, ysize), | |
| 962 gfx::Rect(0, 0, xsize, ysize), | |
| 963 gfx::Size(dst_xsize, dst_ysize), | |
| 964 false, | |
| 965 false, | |
| 966 &stages); | |
| 967 ValidateScalerStages(content::GLHelper::SCALER_QUALITY_GOOD, | |
| 968 stages, | |
| 969 gfx::Size(dst_xsize, dst_ysize), | |
| 970 ""); | |
| 971 EXPECT_EQ(PrintStages(stages), description); | |
| 972 } | |
| 973 | |
| 974 // Note: Left/Right means Top/Bottom when used for Y dimension. | |
| 975 enum Margin { | |
| 976 MarginLeft, | |
| 977 MarginMiddle, | |
| 978 MarginRight, | |
| 979 MarginInvalid, | |
| 980 }; | |
| 981 | |
| 982 static Margin NextMargin(Margin m) { | |
| 983 switch (m) { | |
| 984 case MarginLeft: | |
| 985 return MarginMiddle; | |
| 986 case MarginMiddle: | |
| 987 return MarginRight; | |
| 988 case MarginRight: | |
| 989 return MarginInvalid; | |
| 990 default: | |
| 991 return MarginInvalid; | |
| 992 } | |
| 993 } | |
| 994 | |
| 995 int compute_margin(int insize, int outsize, Margin m) { | |
| 996 int available = outsize - insize; | |
| 997 switch (m) { | |
| 998 default: | |
| 999 EXPECT_TRUE(false) << "This should not happen."; | |
| 1000 return 0; | |
| 1001 case MarginLeft: | |
| 1002 return 0; | |
| 1003 case MarginMiddle: | |
| 1004 return (available / 2) & ~1; | |
| 1005 case MarginRight: | |
| 1006 return available; | |
| 1007 } | |
| 1008 } | |
| 1009 | |
| 1010 // Convert 0.0 - 1.0 to 0 - 255 | |
| 1011 int float_to_byte(float v) { | |
| 1012 int ret = static_cast<int>(floorf(v * 255.0f + 0.5f)); | |
| 1013 if (ret < 0) { | |
| 1014 return 0; | |
| 1015 } | |
| 1016 if (ret > 255) { | |
| 1017 return 255; | |
| 1018 } | |
| 1019 return ret; | |
| 1020 } | |
| 1021 | |
| 1022 static void callcallback(const base::Callback<void()>& callback, | |
| 1023 bool result) { | |
| 1024 callback.Run(); | |
| 1025 } | |
| 1026 | |
| 1027 void PrintPlane(unsigned char* plane, int xsize, int stride, int ysize) { | |
| 1028 for (int y = 0; y < ysize; y++) { | |
| 1029 std::string formatted; | |
| 1030 for (int x = 0; x < xsize; x++) { | |
| 1031 formatted.append(base::StringPrintf("%3d, ", plane[y * stride + x])); | |
| 1032 } | |
| 1033 LOG(ERROR) << formatted << " (" << (plane + y * stride) << ")"; | |
| 1034 } | |
| 1035 } | |
| 1036 | |
| 1037 // Compare two planes make sure that each component of each pixel | |
| 1038 // is no more than |maxdiff| apart. | |
| 1039 void ComparePlane(unsigned char* truth, | |
| 1040 int truth_stride, | |
| 1041 unsigned char* other, | |
| 1042 int other_stride, | |
| 1043 int maxdiff, | |
| 1044 int xsize, | |
| 1045 int ysize, | |
| 1046 SkBitmap* source, | |
| 1047 std::string message) { | |
| 1048 for (int x = 0; x < xsize; x++) { | |
| 1049 for (int y = 0; y < ysize; y++) { | |
| 1050 int a = other[y * other_stride + x]; | |
| 1051 int b = truth[y * truth_stride + x]; | |
| 1052 EXPECT_NEAR(a, b, maxdiff) << " x=" << x << " y=" << y << " " | |
| 1053 << message; | |
| 1054 if (std::abs(a - b) > maxdiff) { | |
| 1055 LOG(ERROR) << "-------expected--------"; | |
| 1056 PrintPlane(truth, xsize, truth_stride, ysize); | |
| 1057 LOG(ERROR) << "-------actual--------"; | |
| 1058 PrintPlane(other, xsize, other_stride, ysize); | |
| 1059 if (source) { | |
| 1060 LOG(ERROR) << "-------before yuv conversion: red--------"; | |
| 1061 PrintChannel(source, 0); | |
| 1062 LOG(ERROR) << "-------before yuv conversion: green------"; | |
| 1063 PrintChannel(source, 1); | |
| 1064 LOG(ERROR) << "-------before yuv conversion: blue-------"; | |
| 1065 PrintChannel(source, 2); | |
| 1066 } | |
| 1067 return; | |
| 1068 } | |
| 1069 } | |
| 1070 } | |
| 1071 } | |
| 1072 | |
| 1073 void DrawGridToBitmap(int w, int h, | |
| 1074 SkColor background_color, | |
| 1075 SkColor grid_color, | |
| 1076 int grid_pitch, | |
| 1077 int grid_width, | |
| 1078 SkBitmap& bmp) { | |
| 1079 ASSERT_GT(grid_pitch, 0); | |
| 1080 ASSERT_GT(grid_width, 0); | |
| 1081 ASSERT_NE(background_color, grid_color); | |
| 1082 | |
| 1083 for (int y = 0; y < h; ++y) { | |
| 1084 bool y_on_grid = ((y % grid_pitch) < grid_width); | |
| 1085 | |
| 1086 for (int x = 0; x < w; ++x) { | |
| 1087 bool on_grid = (y_on_grid || ((x % grid_pitch) < grid_width)); | |
| 1088 | |
| 1089 if (bmp.colorType() == kRGBA_8888_SkColorType || | |
| 1090 bmp.colorType() == kBGRA_8888_SkColorType) { | |
| 1091 *bmp.getAddr32(x, y) = (on_grid ? grid_color : background_color); | |
| 1092 } else if (bmp.colorType() == kRGB_565_SkColorType) { | |
| 1093 *bmp.getAddr16(x, y) = (on_grid ? grid_color : background_color); | |
| 1094 } | |
| 1095 } | |
| 1096 } | |
| 1097 } | |
| 1098 | |
| 1099 void DrawCheckerToBitmap(int w, int h, | |
| 1100 SkColor color1, SkColor color2, | |
| 1101 int rect_w, int rect_h, | |
| 1102 SkBitmap& bmp) { | |
| 1103 ASSERT_GT(rect_w, 0); | |
| 1104 ASSERT_GT(rect_h, 0); | |
| 1105 ASSERT_NE(color1, color2); | |
| 1106 | |
| 1107 for (int y = 0; y < h; ++y) { | |
| 1108 bool y_bit = (((y / rect_h) & 0x1) == 0); | |
| 1109 | |
| 1110 for (int x = 0; x < w; ++x) { | |
| 1111 bool x_bit = (((x / rect_w) & 0x1) == 0); | |
| 1112 | |
| 1113 bool use_color2 = (x_bit != y_bit); // xor | |
| 1114 if (bmp.colorType() == kRGBA_8888_SkColorType || | |
| 1115 bmp.colorType() == kBGRA_8888_SkColorType) { | |
| 1116 *bmp.getAddr32(x, y) = (use_color2 ? color2 : color1); | |
| 1117 } else if (bmp.colorType() == kRGB_565_SkColorType) { | |
| 1118 *bmp.getAddr16(x, y) = (use_color2 ? color2 : color1); | |
| 1119 } | |
| 1120 } | |
| 1121 } | |
| 1122 } | |
| 1123 | |
| 1124 bool ColorComponentsClose(SkColor component1, | |
| 1125 SkColor component2, | |
| 1126 SkColorType color_type) { | |
| 1127 int c1 = static_cast<int>(component1); | |
| 1128 int c2 = static_cast<int>(component2); | |
| 1129 bool result = false; | |
| 1130 switch (color_type) { | |
| 1131 case kRGBA_8888_SkColorType: | |
| 1132 case kBGRA_8888_SkColorType: | |
| 1133 result = (std::abs(c1 - c2) == 0); | |
| 1134 break; | |
| 1135 case kRGB_565_SkColorType: | |
| 1136 result = (std::abs(c1 - c2) <= 7); | |
| 1137 break; | |
| 1138 default: | |
| 1139 break; | |
| 1140 } | |
| 1141 return result; | |
| 1142 } | |
| 1143 | |
| 1144 bool ColorsClose(SkColor color1, SkColor color2, SkColorType color_type) { | |
| 1145 bool red = ColorComponentsClose(SkColorGetR(color1), | |
| 1146 SkColorGetR(color2), color_type); | |
| 1147 bool green = ColorComponentsClose(SkColorGetG(color1), | |
| 1148 SkColorGetG(color2), color_type); | |
| 1149 bool blue = ColorComponentsClose(SkColorGetB(color1), | |
| 1150 SkColorGetB(color2), color_type); | |
| 1151 bool alpha = ColorComponentsClose(SkColorGetA(color1), | |
| 1152 SkColorGetA(color2), color_type); | |
| 1153 if (color_type == kRGB_565_SkColorType) { | |
| 1154 return red && blue && green; | |
| 1155 } | |
| 1156 return red && blue && green && alpha; | |
| 1157 } | |
| 1158 | |
| 1159 bool IsEqual(const SkBitmap& bmp1, const SkBitmap& bmp2) { | |
| 1160 if (bmp1.isNull() && bmp2.isNull()) | |
| 1161 return true; | |
| 1162 if (bmp1.width() != bmp2.width() || | |
| 1163 bmp1.height() != bmp2.height()) { | |
| 1164 LOG(ERROR) << "Bitmap geometry check failure"; | |
| 1165 return false; | |
| 1166 } | |
| 1167 if (bmp1.colorType() != bmp2.colorType()) | |
| 1168 return false; | |
| 1169 | |
| 1170 SkAutoLockPixels lock1(bmp1); | |
| 1171 SkAutoLockPixels lock2(bmp2); | |
| 1172 if (!bmp1.getPixels() || !bmp2.getPixels()) { | |
| 1173 LOG(ERROR) << "Empty Bitmap!"; | |
| 1174 return false; | |
| 1175 } | |
| 1176 for (int y = 0; y < bmp1.height(); ++y) { | |
| 1177 for (int x = 0; x < bmp1.width(); ++x) { | |
| 1178 if (!ColorsClose(bmp1.getColor(x,y), | |
| 1179 bmp2.getColor(x,y), | |
| 1180 bmp1.colorType())) { | |
| 1181 LOG(ERROR) << "Bitmap color comparision failure"; | |
| 1182 return false; | |
| 1183 } | |
| 1184 } | |
| 1185 } | |
| 1186 return true; | |
| 1187 } | |
| 1188 | |
| 1189 void BindAndAttachTextureWithPixels(GLuint src_texture, | |
| 1190 SkColorType color_type, | |
| 1191 const gfx::Size& src_size, | |
| 1192 const SkBitmap& input_pixels) { | |
| 1193 gl_->BindTexture(GL_TEXTURE_2D, src_texture); | |
| 1194 GLenum format = 0; | |
| 1195 switch (color_type) { | |
| 1196 case kBGRA_8888_SkColorType: | |
| 1197 format = GL_BGRA_EXT; | |
| 1198 break; | |
| 1199 case kRGBA_8888_SkColorType: | |
| 1200 format = GL_RGBA; | |
| 1201 break; | |
| 1202 case kRGB_565_SkColorType: | |
| 1203 format = GL_RGB; | |
| 1204 break; | |
| 1205 default: | |
| 1206 NOTREACHED(); | |
| 1207 } | |
| 1208 GLenum type = (color_type == kRGB_565_SkColorType) ? | |
| 1209 GL_UNSIGNED_SHORT_5_6_5 : GL_UNSIGNED_BYTE; | |
| 1210 gl_->TexImage2D(GL_TEXTURE_2D, 0, format, src_size.width(), | |
| 1211 src_size.height(), 0, format, type, | |
| 1212 input_pixels.getPixels()); | |
| 1213 } | |
| 1214 | |
| 1215 void ReadBackTexture(GLuint src_texture, | |
| 1216 const gfx::Size& src_size, | |
| 1217 unsigned char* pixels, | |
| 1218 SkColorType color_type, | |
| 1219 bool async) { | |
| 1220 if (async) { | |
| 1221 base::RunLoop run_loop; | |
| 1222 helper_->ReadbackTextureAsync(src_texture, | |
| 1223 src_size, | |
| 1224 pixels, | |
| 1225 color_type, | |
| 1226 base::Bind(&callcallback, | |
| 1227 run_loop.QuitClosure())); | |
| 1228 run_loop.Run(); | |
| 1229 } else { | |
| 1230 helper_->ReadbackTextureSync(src_texture, | |
| 1231 gfx::Rect(src_size), | |
| 1232 pixels, | |
| 1233 color_type); | |
| 1234 } | |
| 1235 } | |
| 1236 // Test basic format readback. | |
| 1237 bool TestTextureFormatReadback(const gfx::Size& src_size, | |
| 1238 SkColorType color_type, | |
| 1239 bool async) { | |
| 1240 SkImageInfo info = | |
| 1241 SkImageInfo::Make(src_size.width(), | |
| 1242 src_size.height(), | |
| 1243 color_type, | |
| 1244 kPremul_SkAlphaType); | |
| 1245 if (!helper_->IsReadbackConfigSupported(color_type)) { | |
| 1246 LOG(INFO) << "Skipping test format not supported" << color_type; | |
| 1247 return true; | |
| 1248 } | |
| 1249 GLuint src_texture; | |
| 1250 gl_->GenTextures(1, &src_texture); | |
| 1251 SkBitmap input_pixels; | |
| 1252 input_pixels.allocPixels(info); | |
| 1253 // Test Pattern-1, Fill with Plain color pattern. | |
| 1254 // Erase the input bitmap with red color. | |
| 1255 input_pixels.eraseColor(SK_ColorRED); | |
| 1256 BindAndAttachTextureWithPixels(src_texture, | |
| 1257 color_type, | |
| 1258 src_size, | |
| 1259 input_pixels); | |
| 1260 SkBitmap output_pixels; | |
| 1261 output_pixels.allocPixels(info); | |
| 1262 // Initialize the output bitmap with Green color. | |
| 1263 // When the readback is over output bitmap should have the red color. | |
| 1264 output_pixels.eraseColor(SK_ColorGREEN); | |
| 1265 uint8_t* pixels = static_cast<uint8_t*>(output_pixels.getPixels()); | |
| 1266 ReadBackTexture(src_texture, src_size, pixels, color_type, async); | |
| 1267 bool result = IsEqual(input_pixels, output_pixels); | |
| 1268 if (!result) { | |
| 1269 LOG(ERROR) << "Bitmap comparision failure Pattern-1"; | |
| 1270 return false; | |
| 1271 } | |
| 1272 const int rect_w = 10, rect_h = 4, src_grid_pitch = 10, src_grid_width = 4; | |
| 1273 const SkColor color1 = SK_ColorRED, color2 = SK_ColorBLUE; | |
| 1274 // Test Pattern-2, Fill with Grid Pattern. | |
| 1275 DrawGridToBitmap(src_size.width(), src_size.height(), | |
| 1276 color2, color1, | |
| 1277 src_grid_pitch, src_grid_width, | |
| 1278 input_pixels); | |
| 1279 BindAndAttachTextureWithPixels(src_texture, | |
| 1280 color_type, | |
| 1281 src_size, | |
| 1282 input_pixels); | |
| 1283 ReadBackTexture(src_texture, src_size, pixels, color_type, async); | |
| 1284 result = IsEqual(input_pixels, output_pixels); | |
| 1285 if (!result) { | |
| 1286 LOG(ERROR) << "Bitmap comparision failure Pattern-2"; | |
| 1287 return false; | |
| 1288 } | |
| 1289 // Test Pattern-3, Fill with CheckerBoard Pattern. | |
| 1290 DrawCheckerToBitmap(src_size.width(), | |
| 1291 src_size.height(), | |
| 1292 color1, | |
| 1293 color2, rect_w, rect_h, input_pixels); | |
| 1294 BindAndAttachTextureWithPixels(src_texture, | |
| 1295 color_type, | |
| 1296 src_size, | |
| 1297 input_pixels); | |
| 1298 ReadBackTexture(src_texture, src_size, pixels, color_type, async); | |
| 1299 result = IsEqual(input_pixels, output_pixels); | |
| 1300 if (!result) { | |
| 1301 LOG(ERROR) << "Bitmap comparision failure Pattern-3"; | |
| 1302 return false; | |
| 1303 } | |
| 1304 gl_->DeleteTextures(1, &src_texture); | |
| 1305 if (HasFailure()) { | |
| 1306 return false; | |
| 1307 } | |
| 1308 return true; | |
| 1309 } | |
| 1310 | |
| 1311 // YUV readback test. Create a test pattern, convert to YUV | |
| 1312 // with reference implementation and compare to what gl_helper | |
| 1313 // returns. | |
| 1314 void TestYUVReadback(int xsize, | |
| 1315 int ysize, | |
| 1316 int output_xsize, | |
| 1317 int output_ysize, | |
| 1318 int xmargin, | |
| 1319 int ymargin, | |
| 1320 int test_pattern, | |
| 1321 bool flip, | |
| 1322 bool use_mrt, | |
| 1323 content::GLHelper::ScalerQuality quality) { | |
| 1324 GLuint src_texture; | |
| 1325 gl_->GenTextures(1, &src_texture); | |
| 1326 SkBitmap input_pixels; | |
| 1327 input_pixels.allocN32Pixels(xsize, ysize); | |
| 1328 | |
| 1329 for (int x = 0; x < xsize; ++x) { | |
| 1330 for (int y = 0; y < ysize; ++y) { | |
| 1331 switch (test_pattern) { | |
| 1332 case 0: // Smooth test pattern | |
| 1333 SetChannel(&input_pixels, x, y, 0, x * 10); | |
| 1334 SetChannel(&input_pixels, x, y, 1, y * 10); | |
| 1335 SetChannel(&input_pixels, x, y, 2, (x + y) * 10); | |
| 1336 SetChannel(&input_pixels, x, y, 3, 255); | |
| 1337 break; | |
| 1338 case 1: // Small blocks | |
| 1339 SetChannel(&input_pixels, x, y, 0, x & 1 ? 255 : 0); | |
| 1340 SetChannel(&input_pixels, x, y, 1, y & 1 ? 255 : 0); | |
| 1341 SetChannel(&input_pixels, x, y, 2, (x + y) & 1 ? 255 : 0); | |
| 1342 SetChannel(&input_pixels, x, y, 3, 255); | |
| 1343 break; | |
| 1344 case 2: // Medium blocks | |
| 1345 SetChannel(&input_pixels, x, y, 0, 10 + x / 2 * 50); | |
| 1346 SetChannel(&input_pixels, x, y, 1, 10 + y / 3 * 50); | |
| 1347 SetChannel(&input_pixels, x, y, 2, (x + y) / 5 * 50 + 5); | |
| 1348 SetChannel(&input_pixels, x, y, 3, 255); | |
| 1349 break; | |
| 1350 } | |
| 1351 } | |
| 1352 } | |
| 1353 | |
| 1354 gl_->BindTexture(GL_TEXTURE_2D, src_texture); | |
| 1355 gl_->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, xsize, ysize, 0, GL_RGBA, | |
| 1356 GL_UNSIGNED_BYTE, input_pixels.getPixels()); | |
| 1357 | |
| 1358 gpu::Mailbox mailbox; | |
| 1359 gl_->GenMailboxCHROMIUM(mailbox.name); | |
| 1360 EXPECT_FALSE(mailbox.IsZero()); | |
| 1361 gl_->ProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox.name); | |
| 1362 const GLuint64 fence_sync = gl_->InsertFenceSyncCHROMIUM(); | |
| 1363 gl_->ShallowFlushCHROMIUM(); | |
| 1364 | |
| 1365 gpu::SyncToken sync_token; | |
| 1366 gl_->GenSyncTokenCHROMIUM(fence_sync, sync_token.GetData()); | |
| 1367 | |
| 1368 std::string message = base::StringPrintf( | |
| 1369 "input size: %dx%d " | |
| 1370 "output size: %dx%d " | |
| 1371 "margin: %dx%d " | |
| 1372 "pattern: %d %s %s", | |
| 1373 xsize, | |
| 1374 ysize, | |
| 1375 output_xsize, | |
| 1376 output_ysize, | |
| 1377 xmargin, | |
| 1378 ymargin, | |
| 1379 test_pattern, | |
| 1380 flip ? "flip" : "noflip", | |
| 1381 flip ? "mrt" : "nomrt"); | |
| 1382 scoped_ptr<ReadbackYUVInterface> yuv_reader( | |
| 1383 helper_->CreateReadbackPipelineYUV( | |
| 1384 quality, | |
| 1385 gfx::Size(xsize, ysize), | |
| 1386 gfx::Rect(0, 0, xsize, ysize), | |
| 1387 gfx::Size(xsize, ysize), | |
| 1388 flip, | |
| 1389 use_mrt)); | |
| 1390 | |
| 1391 scoped_refptr<media::VideoFrame> output_frame = | |
| 1392 media::VideoFrame::CreateFrame( | |
| 1393 media::PIXEL_FORMAT_YV12, | |
| 1394 // The coded size of the output frame is rounded up to the next | |
| 1395 // 16-byte boundary. This tests that the readback is being | |
| 1396 // positioned inside the frame's visible region, and not dependent | |
| 1397 // on its coded size. | |
| 1398 gfx::Size((output_xsize + 15) & ~15, (output_ysize + 15) & ~15), | |
| 1399 gfx::Rect(0, 0, output_xsize, output_ysize), | |
| 1400 gfx::Size(output_xsize, output_ysize), | |
| 1401 base::TimeDelta::FromSeconds(0)); | |
| 1402 scoped_refptr<media::VideoFrame> truth_frame = | |
| 1403 media::VideoFrame::CreateFrame( | |
| 1404 media::PIXEL_FORMAT_YV12, gfx::Size(output_xsize, output_ysize), | |
| 1405 gfx::Rect(0, 0, output_xsize, output_ysize), | |
| 1406 gfx::Size(output_xsize, output_ysize), | |
| 1407 base::TimeDelta::FromSeconds(0)); | |
| 1408 | |
| 1409 base::RunLoop run_loop; | |
| 1410 yuv_reader->ReadbackYUV(mailbox, sync_token, output_frame.get(), | |
| 1411 gfx::Point(xmargin, ymargin), | |
| 1412 base::Bind(&callcallback, run_loop.QuitClosure())); | |
| 1413 run_loop.Run(); | |
| 1414 | |
| 1415 if (flip) { | |
| 1416 FlipSKBitmap(&input_pixels); | |
| 1417 } | |
| 1418 | |
| 1419 unsigned char* Y = truth_frame->visible_data(media::VideoFrame::kYPlane); | |
| 1420 unsigned char* U = truth_frame->visible_data(media::VideoFrame::kUPlane); | |
| 1421 unsigned char* V = truth_frame->visible_data(media::VideoFrame::kVPlane); | |
| 1422 int32_t y_stride = truth_frame->stride(media::VideoFrame::kYPlane); | |
| 1423 int32_t u_stride = truth_frame->stride(media::VideoFrame::kUPlane); | |
| 1424 int32_t v_stride = truth_frame->stride(media::VideoFrame::kVPlane); | |
| 1425 memset(Y, 0x00, y_stride * output_ysize); | |
| 1426 memset(U, 0x80, u_stride * output_ysize / 2); | |
| 1427 memset(V, 0x80, v_stride * output_ysize / 2); | |
| 1428 | |
| 1429 const float kRGBtoYColorWeights[] = {0.257f, 0.504f, 0.098f, 0.0625f}; | |
| 1430 const float kRGBtoUColorWeights[] = {-0.148f, -0.291f, 0.439f, 0.5f}; | |
| 1431 const float kRGBtoVColorWeights[] = {0.439f, -0.368f, -0.071f, 0.5f}; | |
| 1432 | |
| 1433 for (int y = 0; y < ysize; y++) { | |
| 1434 for (int x = 0; x < xsize; x++) { | |
| 1435 Y[(y + ymargin) * y_stride + x + xmargin] = float_to_byte( | |
| 1436 ChannelAsFloat(&input_pixels, x, y, 0) * kRGBtoYColorWeights[0] + | |
| 1437 ChannelAsFloat(&input_pixels, x, y, 1) * kRGBtoYColorWeights[1] + | |
| 1438 ChannelAsFloat(&input_pixels, x, y, 2) * kRGBtoYColorWeights[2] + | |
| 1439 kRGBtoYColorWeights[3]); | |
| 1440 } | |
| 1441 } | |
| 1442 | |
| 1443 for (int y = 0; y < ysize / 2; y++) { | |
| 1444 for (int x = 0; x < xsize / 2; x++) { | |
| 1445 U[(y + ymargin / 2) * u_stride + x + xmargin / 2] = | |
| 1446 float_to_byte(Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 0) * | |
| 1447 kRGBtoUColorWeights[0] + | |
| 1448 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 1) * | |
| 1449 kRGBtoUColorWeights[1] + | |
| 1450 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 2) * | |
| 1451 kRGBtoUColorWeights[2] + | |
| 1452 kRGBtoUColorWeights[3]); | |
| 1453 V[(y + ymargin / 2) * v_stride + x + xmargin / 2] = | |
| 1454 float_to_byte(Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 0) * | |
| 1455 kRGBtoVColorWeights[0] + | |
| 1456 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 1) * | |
| 1457 kRGBtoVColorWeights[1] + | |
| 1458 Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 2) * | |
| 1459 kRGBtoVColorWeights[2] + | |
| 1460 kRGBtoVColorWeights[3]); | |
| 1461 } | |
| 1462 } | |
| 1463 | |
| 1464 ComparePlane(Y, | |
| 1465 y_stride, | |
| 1466 output_frame->visible_data(media::VideoFrame::kYPlane), | |
| 1467 output_frame->stride(media::VideoFrame::kYPlane), | |
| 1468 2, | |
| 1469 output_xsize, | |
| 1470 output_ysize, | |
| 1471 &input_pixels, | |
| 1472 message + " Y plane"); | |
| 1473 ComparePlane(U, | |
| 1474 u_stride, | |
| 1475 output_frame->visible_data(media::VideoFrame::kUPlane), | |
| 1476 output_frame->stride(media::VideoFrame::kUPlane), | |
| 1477 2, | |
| 1478 output_xsize / 2, | |
| 1479 output_ysize / 2, | |
| 1480 &input_pixels, | |
| 1481 message + " U plane"); | |
| 1482 ComparePlane(V, | |
| 1483 v_stride, | |
| 1484 output_frame->visible_data(media::VideoFrame::kVPlane), | |
| 1485 output_frame->stride(media::VideoFrame::kVPlane), | |
| 1486 2, | |
| 1487 output_xsize / 2, | |
| 1488 output_ysize / 2, | |
| 1489 &input_pixels, | |
| 1490 message + " V plane"); | |
| 1491 | |
| 1492 gl_->DeleteTextures(1, &src_texture); | |
| 1493 } | |
| 1494 | |
| 1495 void TestAddOps(int src, int dst, bool scale_x, bool allow3) { | |
| 1496 std::deque<GLHelperScaling::ScaleOp> ops; | |
| 1497 GLHelperScaling::ScaleOp::AddOps(src, dst, scale_x, allow3, &ops); | |
| 1498 // Scale factor 3 is a special case. | |
| 1499 // It is currently only allowed by itself. | |
| 1500 if (allow3 && dst * 3 >= src && dst * 2 < src) { | |
| 1501 EXPECT_EQ(ops[0].scale_factor, 3); | |
| 1502 EXPECT_EQ(ops.size(), 1U); | |
| 1503 EXPECT_EQ(ops[0].scale_x, scale_x); | |
| 1504 EXPECT_EQ(ops[0].scale_size, dst); | |
| 1505 return; | |
| 1506 } | |
| 1507 | |
| 1508 for (size_t i = 0; i < ops.size(); i++) { | |
| 1509 EXPECT_EQ(ops[i].scale_x, scale_x); | |
| 1510 if (i == 0) { | |
| 1511 // Only the first op is allowed to be a scale up. | |
| 1512 // (Scaling up *after* scaling down would make it fuzzy.) | |
| 1513 EXPECT_TRUE(ops[0].scale_factor == 0 || ops[0].scale_factor == 2); | |
| 1514 } else { | |
| 1515 // All other operations must be 50% downscales. | |
| 1516 EXPECT_EQ(ops[i].scale_factor, 2); | |
| 1517 } | |
| 1518 } | |
| 1519 // Check that the scale factors make sense and add up. | |
| 1520 int tmp = dst; | |
| 1521 for (int i = static_cast<int>(ops.size() - 1); i >= 0; i--) { | |
| 1522 EXPECT_EQ(tmp, ops[i].scale_size); | |
| 1523 if (ops[i].scale_factor == 0) { | |
| 1524 EXPECT_EQ(i, 0); | |
| 1525 EXPECT_GT(tmp, src); | |
| 1526 tmp = src; | |
| 1527 } else { | |
| 1528 tmp *= ops[i].scale_factor; | |
| 1529 } | |
| 1530 } | |
| 1531 EXPECT_EQ(tmp, src); | |
| 1532 } | |
| 1533 | |
| 1534 void CheckPipeline2(int xsize, | |
| 1535 int ysize, | |
| 1536 int dst_xsize, | |
| 1537 int dst_ysize, | |
| 1538 const std::string& description) { | |
| 1539 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 1540 helper_scaling_->ConvertScalerOpsToScalerStages( | |
| 1541 content::GLHelper::SCALER_QUALITY_GOOD, | |
| 1542 gfx::Size(xsize, ysize), | |
| 1543 gfx::Rect(0, 0, xsize, ysize), | |
| 1544 gfx::Size(dst_xsize, dst_ysize), | |
| 1545 false, | |
| 1546 false, | |
| 1547 &x_ops_, | |
| 1548 &y_ops_, | |
| 1549 &stages); | |
| 1550 EXPECT_EQ(x_ops_.size(), 0U); | |
| 1551 EXPECT_EQ(y_ops_.size(), 0U); | |
| 1552 ValidateScalerStages(content::GLHelper::SCALER_QUALITY_GOOD, | |
| 1553 stages, | |
| 1554 gfx::Size(dst_xsize, dst_ysize), | |
| 1555 ""); | |
| 1556 EXPECT_EQ(PrintStages(stages), description); | |
| 1557 } | |
| 1558 | |
| 1559 void CheckOptimizationsTest() { | |
| 1560 // Basic upscale. X and Y should be combined into one pass. | |
| 1561 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 2000)); | |
| 1562 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 2000)); | |
| 1563 CheckPipeline2(1024, 768, 2000, 2000, "1024x768 -> 2000x2000 bilinear\n"); | |
| 1564 | |
| 1565 // X scaled 1/2, Y upscaled, should still be one pass. | |
| 1566 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 512)); | |
| 1567 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 2000)); | |
| 1568 CheckPipeline2(1024, 768, 512, 2000, "1024x768 -> 512x2000 bilinear\n"); | |
| 1569 | |
| 1570 // X upscaled, Y scaled 1/2, one bilinear pass | |
| 1571 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 2000)); | |
| 1572 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 384)); | |
| 1573 CheckPipeline2(1024, 768, 2000, 384, "1024x768 -> 2000x384 bilinear\n"); | |
| 1574 | |
| 1575 // X scaled 1/2, Y scaled 1/2, one bilinear pass | |
| 1576 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 512)); | |
| 1577 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 384)); | |
| 1578 CheckPipeline2(1024, 768, 512, 384, "1024x768 -> 512x384 bilinear\n"); | |
| 1579 | |
| 1580 // X scaled 1/2, Y scaled to 60%, one bilinear2 pass. | |
| 1581 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 50)); | |
| 1582 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1583 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1584 CheckPipeline2(100, 100, 50, 60, "100x100 -> 50x60 bilinear2 Y\n"); | |
| 1585 | |
| 1586 // X scaled to 60%, Y scaled 1/2, one bilinear2 pass. | |
| 1587 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1588 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1589 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 50)); | |
| 1590 CheckPipeline2(100, 100, 60, 50, "100x100 -> 60x50 bilinear2 X\n"); | |
| 1591 | |
| 1592 // X scaled to 60%, Y scaled 60%, one bilinear2x2 pass. | |
| 1593 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1594 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1595 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1596 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1597 CheckPipeline2(100, 100, 60, 60, "100x100 -> 60x60 bilinear2x2\n"); | |
| 1598 | |
| 1599 // X scaled to 40%, Y scaled 40%, two bilinear3 passes. | |
| 1600 x_ops_.push_back(GLHelperScaling::ScaleOp(3, true, 40)); | |
| 1601 y_ops_.push_back(GLHelperScaling::ScaleOp(3, false, 40)); | |
| 1602 CheckPipeline2(100, | |
| 1603 100, | |
| 1604 40, | |
| 1605 40, | |
| 1606 "100x100 -> 100x40 bilinear3 Y\n" | |
| 1607 "100x40 -> 40x40 bilinear3 X\n"); | |
| 1608 | |
| 1609 // X scaled to 60%, Y scaled 40% | |
| 1610 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1611 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1612 y_ops_.push_back(GLHelperScaling::ScaleOp(3, false, 40)); | |
| 1613 CheckPipeline2(100, | |
| 1614 100, | |
| 1615 60, | |
| 1616 40, | |
| 1617 "100x100 -> 100x40 bilinear3 Y\n" | |
| 1618 "100x40 -> 60x40 bilinear2 X\n"); | |
| 1619 | |
| 1620 // X scaled to 40%, Y scaled 60% | |
| 1621 x_ops_.push_back(GLHelperScaling::ScaleOp(3, true, 40)); | |
| 1622 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1623 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1624 CheckPipeline2(100, | |
| 1625 100, | |
| 1626 40, | |
| 1627 60, | |
| 1628 "100x100 -> 100x60 bilinear2 Y\n" | |
| 1629 "100x60 -> 40x60 bilinear3 X\n"); | |
| 1630 | |
| 1631 // X scaled to 30%, Y scaled 30% | |
| 1632 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1633 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1634 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 30)); | |
| 1635 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1636 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1637 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); | |
| 1638 CheckPipeline2(100, | |
| 1639 100, | |
| 1640 30, | |
| 1641 30, | |
| 1642 "100x100 -> 100x30 bilinear4 Y\n" | |
| 1643 "100x30 -> 30x30 bilinear4 X\n"); | |
| 1644 | |
| 1645 // X scaled to 50%, Y scaled 30% | |
| 1646 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 50)); | |
| 1647 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1648 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1649 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); | |
| 1650 CheckPipeline2(100, 100, 50, 30, "100x100 -> 50x30 bilinear4 Y\n"); | |
| 1651 | |
| 1652 // X scaled to 150%, Y scaled 30% | |
| 1653 // Note that we avoid combinding X and Y passes | |
| 1654 // as that would probably be LESS efficient here. | |
| 1655 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 150)); | |
| 1656 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1657 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1658 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); | |
| 1659 CheckPipeline2(100, | |
| 1660 100, | |
| 1661 150, | |
| 1662 30, | |
| 1663 "100x100 -> 100x30 bilinear4 Y\n" | |
| 1664 "100x30 -> 150x30 bilinear\n"); | |
| 1665 | |
| 1666 // X scaled to 1%, Y scaled 1% | |
| 1667 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 128)); | |
| 1668 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 64)); | |
| 1669 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 32)); | |
| 1670 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 16)); | |
| 1671 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 8)); | |
| 1672 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 4)); | |
| 1673 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 2)); | |
| 1674 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 1)); | |
| 1675 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 128)); | |
| 1676 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 64)); | |
| 1677 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 32)); | |
| 1678 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 16)); | |
| 1679 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 8)); | |
| 1680 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 4)); | |
| 1681 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 2)); | |
| 1682 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 1)); | |
| 1683 CheckPipeline2(100, | |
| 1684 100, | |
| 1685 1, | |
| 1686 1, | |
| 1687 "100x100 -> 100x32 bilinear4 Y\n" | |
| 1688 "100x32 -> 100x4 bilinear4 Y\n" | |
| 1689 "100x4 -> 64x1 bilinear2x2\n" | |
| 1690 "64x1 -> 8x1 bilinear4 X\n" | |
| 1691 "8x1 -> 1x1 bilinear4 X\n"); | |
| 1692 } | |
| 1693 | |
| 1694 scoped_ptr<gpu::GLInProcessContext> context_; | |
| 1695 gpu::gles2::GLES2Interface* gl_; | |
| 1696 scoped_ptr<content::GLHelper> helper_; | |
| 1697 scoped_ptr<content::GLHelperScaling> helper_scaling_; | |
| 1698 std::deque<GLHelperScaling::ScaleOp> x_ops_, y_ops_; | |
| 1699 }; | |
| 1700 | |
| 1701 class GLHelperPixelTest : public GLHelperTest { | |
| 1702 private: | |
| 1703 gfx::DisableNullDrawGLBindings enable_pixel_output_; | |
| 1704 }; | |
| 1705 | |
| 1706 TEST_F(GLHelperTest, RGBASyncReadbackTest) { | |
| 1707 const int kTestSize = 64; | |
| 1708 bool result = TestTextureFormatReadback(gfx::Size(kTestSize,kTestSize), | |
| 1709 kRGBA_8888_SkColorType, | |
| 1710 false); | |
| 1711 EXPECT_EQ(result, true); | |
| 1712 } | |
| 1713 | |
| 1714 | |
| 1715 TEST_F(GLHelperTest, BGRASyncReadbackTest) { | |
| 1716 const int kTestSize = 64; | |
| 1717 bool result = TestTextureFormatReadback(gfx::Size(kTestSize,kTestSize), | |
| 1718 kBGRA_8888_SkColorType, | |
| 1719 false); | |
| 1720 EXPECT_EQ(result, true); | |
| 1721 } | |
| 1722 | |
| 1723 TEST_F(GLHelperTest, RGB565SyncReadbackTest) { | |
| 1724 const int kTestSize = 64; | |
| 1725 bool result = TestTextureFormatReadback(gfx::Size(kTestSize,kTestSize), | |
| 1726 kRGB_565_SkColorType, | |
| 1727 false); | |
| 1728 EXPECT_EQ(result, true); | |
| 1729 } | |
| 1730 | |
| 1731 TEST_F(GLHelperTest, RGBAASyncReadbackTest) { | |
| 1732 const int kTestSize = 64; | |
| 1733 bool result = TestTextureFormatReadback(gfx::Size(kTestSize,kTestSize), | |
| 1734 kRGBA_8888_SkColorType, | |
| 1735 true); | |
| 1736 EXPECT_EQ(result, true); | |
| 1737 } | |
| 1738 | |
| 1739 TEST_F(GLHelperTest, BGRAASyncReadbackTest) { | |
| 1740 const int kTestSize = 64; | |
| 1741 bool result = TestTextureFormatReadback(gfx::Size(kTestSize,kTestSize), | |
| 1742 kBGRA_8888_SkColorType, | |
| 1743 true); | |
| 1744 EXPECT_EQ(result, true); | |
| 1745 } | |
| 1746 | |
| 1747 TEST_F(GLHelperTest, RGB565ASyncReadbackTest) { | |
| 1748 const int kTestSize = 64; | |
| 1749 bool result = TestTextureFormatReadback(gfx::Size(kTestSize,kTestSize), | |
| 1750 kRGB_565_SkColorType, | |
| 1751 true); | |
| 1752 EXPECT_EQ(result, true); | |
| 1753 } | |
| 1754 | |
| 1755 TEST_F(GLHelperPixelTest, YUVReadbackOptTest) { | |
| 1756 // This test uses the gpu.service/gpu_decoder tracing events to detect how | |
| 1757 // many scaling passes are actually performed by the YUV readback pipeline. | |
| 1758 StartTracing(TRACE_DISABLED_BY_DEFAULT("gpu.service") "," | |
| 1759 TRACE_DISABLED_BY_DEFAULT("gpu_decoder")); | |
| 1760 | |
| 1761 TestYUVReadback(800, | |
| 1762 400, | |
| 1763 800, | |
| 1764 400, | |
| 1765 0, | |
| 1766 0, | |
| 1767 1, | |
| 1768 false, | |
| 1769 true, | |
| 1770 content::GLHelper::SCALER_QUALITY_FAST); | |
| 1771 | |
| 1772 std::map<std::string, int> event_counts; | |
| 1773 EndTracing(&event_counts); | |
| 1774 int draw_buffer_calls = event_counts["kDrawBuffersEXTImmediate"]; | |
| 1775 int draw_arrays_calls = event_counts["kDrawArrays"]; | |
| 1776 VLOG(1) << "Draw buffer calls: " << draw_buffer_calls; | |
| 1777 VLOG(1) << "DrawArrays calls: " << draw_arrays_calls; | |
| 1778 | |
| 1779 if (draw_buffer_calls) { | |
| 1780 // When using MRT, the YUV readback code should only | |
| 1781 // execute two draw arrays, and scaling should be integrated | |
| 1782 // into those two calls since we are using the FAST scalign | |
| 1783 // quality. | |
| 1784 EXPECT_EQ(2, draw_arrays_calls); | |
| 1785 } else { | |
| 1786 // When not using MRT, there are three passes for the YUV, | |
| 1787 // and one for the scaling. | |
| 1788 EXPECT_EQ(4, draw_arrays_calls); | |
| 1789 } | |
| 1790 } | |
| 1791 | |
| 1792 class GLHelperPixelYuvReadback : | |
| 1793 public GLHelperPixelTest, | |
| 1794 public ::testing::WithParamInterface< | |
| 1795 std::tr1::tuple<bool, bool, unsigned int, unsigned int>> {}; | |
| 1796 | |
| 1797 int kYUVReadBackSizes[] = {2, 4, 14}; | |
| 1798 | |
| 1799 TEST_P(GLHelperPixelYuvReadback, Test) { | |
| 1800 bool flip = std::tr1::get<0>(GetParam()); | |
| 1801 bool use_mrt = std::tr1::get<1>(GetParam()); | |
| 1802 unsigned int x = std::tr1::get<2>(GetParam()); | |
| 1803 unsigned int y = std::tr1::get<3>(GetParam()); | |
| 1804 | |
| 1805 for (unsigned int ox = x; ox < arraysize(kYUVReadBackSizes); ox++) { | |
| 1806 for (unsigned int oy = y; oy < arraysize(kYUVReadBackSizes); oy++) { | |
| 1807 // If output is a subsection of the destination frame, (letterbox) | |
| 1808 // then try different variations of where the subsection goes. | |
| 1809 for (Margin xm = x < ox ? MarginLeft : MarginRight; | |
| 1810 xm <= MarginRight; | |
| 1811 xm = NextMargin(xm)) { | |
| 1812 for (Margin ym = y < oy ? MarginLeft : MarginRight; | |
| 1813 ym <= MarginRight; | |
| 1814 ym = NextMargin(ym)) { | |
| 1815 for (int pattern = 0; pattern < 3; pattern++) { | |
| 1816 TestYUVReadback(kYUVReadBackSizes[x], | |
| 1817 kYUVReadBackSizes[y], | |
| 1818 kYUVReadBackSizes[ox], | |
| 1819 kYUVReadBackSizes[oy], | |
| 1820 compute_margin(kYUVReadBackSizes[x], | |
| 1821 kYUVReadBackSizes[ox], xm), | |
| 1822 compute_margin(kYUVReadBackSizes[y], | |
| 1823 kYUVReadBackSizes[oy], ym), | |
| 1824 pattern, | |
| 1825 flip, | |
| 1826 use_mrt, | |
| 1827 content::GLHelper::SCALER_QUALITY_GOOD); | |
| 1828 if (HasFailure()) { | |
| 1829 return; | |
| 1830 } | |
| 1831 } | |
| 1832 } | |
| 1833 } | |
| 1834 } | |
| 1835 } | |
| 1836 } | |
| 1837 | |
| 1838 // First argument is intentionally empty. | |
| 1839 INSTANTIATE_TEST_CASE_P( | |
| 1840 , | |
| 1841 GLHelperPixelYuvReadback, | |
| 1842 ::testing::Combine( | |
| 1843 ::testing::Bool(), | |
| 1844 ::testing::Bool(), | |
| 1845 ::testing::Range<unsigned int>(0, arraysize(kYUVReadBackSizes)), | |
| 1846 ::testing::Range<unsigned int>(0, arraysize(kYUVReadBackSizes)))); | |
| 1847 | |
| 1848 | |
| 1849 int kRGBReadBackSizes[] = {3, 6, 16}; | |
| 1850 | |
| 1851 class GLHelperPixelReadbackTest : | |
| 1852 public GLHelperPixelTest, | |
| 1853 public ::testing::WithParamInterface< | |
| 1854 std::tr1::tuple<unsigned int, | |
| 1855 unsigned int, | |
| 1856 unsigned int, | |
| 1857 unsigned int, | |
| 1858 unsigned int>> {}; | |
| 1859 | |
| 1860 // Per pixel tests, all sizes are small so that we can print | |
| 1861 // out the generated bitmaps. | |
| 1862 TEST_P(GLHelperPixelReadbackTest, ScaleTest) { | |
| 1863 unsigned int q_index = std::tr1::get<0>(GetParam()); | |
| 1864 unsigned int x = std::tr1::get<1>(GetParam()); | |
| 1865 unsigned int y = std::tr1::get<2>(GetParam()); | |
| 1866 unsigned int dst_x = std::tr1::get<3>(GetParam()); | |
| 1867 unsigned int dst_y = std::tr1::get<4>(GetParam()); | |
| 1868 | |
| 1869 for (int flip = 0; flip <= 1; flip++) { | |
| 1870 for (int pattern = 0; pattern < 3; pattern++) { | |
| 1871 TestScale(kRGBReadBackSizes[x], | |
| 1872 kRGBReadBackSizes[y], | |
| 1873 kRGBReadBackSizes[dst_x], | |
| 1874 kRGBReadBackSizes[dst_y], | |
| 1875 pattern, | |
| 1876 q_index, | |
| 1877 flip == 1); | |
| 1878 if (HasFailure()) { | |
| 1879 return; | |
| 1880 } | |
| 1881 } | |
| 1882 } | |
| 1883 } | |
| 1884 | |
| 1885 | |
| 1886 // Per pixel tests, all sizes are small so that we can print | |
| 1887 // out the generated bitmaps. | |
| 1888 TEST_P(GLHelperPixelReadbackTest, CropScaleReadbackAndCleanTextureTest) { | |
| 1889 unsigned int q_index = std::tr1::get<0>(GetParam()); | |
| 1890 unsigned int x = std::tr1::get<1>(GetParam()); | |
| 1891 unsigned int y = std::tr1::get<2>(GetParam()); | |
| 1892 unsigned int dst_x = std::tr1::get<3>(GetParam()); | |
| 1893 unsigned int dst_y = std::tr1::get<4>(GetParam()); | |
| 1894 | |
| 1895 const SkColorType kColorTypes[] = { | |
| 1896 kAlpha_8_SkColorType, kRGBA_8888_SkColorType, kBGRA_8888_SkColorType}; | |
| 1897 for (size_t color_type = 0; color_type < arraysize(kColorTypes); | |
| 1898 color_type++) { | |
| 1899 for (int pattern = 0; pattern < 3; pattern++) { | |
| 1900 TestCropScaleReadbackAndCleanTexture(kRGBReadBackSizes[x], | |
| 1901 kRGBReadBackSizes[y], | |
| 1902 kRGBReadBackSizes[dst_x], | |
| 1903 kRGBReadBackSizes[dst_y], | |
| 1904 pattern, | |
| 1905 kColorTypes[color_type], | |
| 1906 false, | |
| 1907 q_index); | |
| 1908 if (HasFailure()) | |
| 1909 return; | |
| 1910 } | |
| 1911 } | |
| 1912 } | |
| 1913 | |
| 1914 INSTANTIATE_TEST_CASE_P( | |
| 1915 , | |
| 1916 GLHelperPixelReadbackTest, | |
| 1917 ::testing::Combine( | |
| 1918 ::testing::Range<unsigned int>(0, arraysize(kQualities)), | |
| 1919 ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)), | |
| 1920 ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)), | |
| 1921 ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)), | |
| 1922 ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)))); | |
| 1923 | |
| 1924 // Validate that all scaling generates valid pipelines. | |
| 1925 TEST_F(GLHelperTest, ValidateScalerPipelines) { | |
| 1926 int sizes[] = {7, 99, 128, 256, 512, 719, 720, 721, 1920, 2011, 3217, 4096}; | |
| 1927 for (size_t q = 0; q < arraysize(kQualities); q++) { | |
| 1928 for (size_t x = 0; x < arraysize(sizes); x++) { | |
| 1929 for (size_t y = 0; y < arraysize(sizes); y++) { | |
| 1930 for (size_t dst_x = 0; dst_x < arraysize(sizes); dst_x++) { | |
| 1931 for (size_t dst_y = 0; dst_y < arraysize(sizes); dst_y++) { | |
| 1932 TestScalerPipeline( | |
| 1933 q, sizes[x], sizes[y], sizes[dst_x], sizes[dst_y]); | |
| 1934 if (HasFailure()) { | |
| 1935 return; | |
| 1936 } | |
| 1937 } | |
| 1938 } | |
| 1939 } | |
| 1940 } | |
| 1941 } | |
| 1942 } | |
| 1943 | |
| 1944 // Make sure we don't create overly complicated pipelines | |
| 1945 // for a few common use cases. | |
| 1946 TEST_F(GLHelperTest, CheckSpecificPipelines) { | |
| 1947 // Upscale should be single pass. | |
| 1948 CheckPipeline(content::GLHelper::SCALER_QUALITY_GOOD, | |
| 1949 1024, | |
| 1950 700, | |
| 1951 1280, | |
| 1952 720, | |
| 1953 "1024x700 -> 1280x720 bilinear\n"); | |
| 1954 // Slight downscale should use BILINEAR2X2. | |
| 1955 CheckPipeline(content::GLHelper::SCALER_QUALITY_GOOD, | |
| 1956 1280, | |
| 1957 720, | |
| 1958 1024, | |
| 1959 700, | |
| 1960 "1280x720 -> 1024x700 bilinear2x2\n"); | |
| 1961 // Most common tab capture pipeline on the Pixel. | |
| 1962 // Should be using two BILINEAR3 passes. | |
| 1963 CheckPipeline(content::GLHelper::SCALER_QUALITY_GOOD, | |
| 1964 2560, | |
| 1965 1476, | |
| 1966 1249, | |
| 1967 720, | |
| 1968 "2560x1476 -> 2560x720 bilinear3 Y\n" | |
| 1969 "2560x720 -> 1249x720 bilinear3 X\n"); | |
| 1970 } | |
| 1971 | |
| 1972 TEST_F(GLHelperTest, ScalerOpTest) { | |
| 1973 for (int allow3 = 0; allow3 <= 1; allow3++) { | |
| 1974 for (int dst = 1; dst < 2049; dst += 1 + (dst >> 3)) { | |
| 1975 for (int src = 1; src < 2049; src++) { | |
| 1976 TestAddOps(src, dst, allow3 == 1, (src & 1) == 1); | |
| 1977 if (HasFailure()) { | |
| 1978 LOG(ERROR) << "Failed for src=" << src << " dst=" << dst | |
| 1979 << " allow3=" << allow3; | |
| 1980 return; | |
| 1981 } | |
| 1982 } | |
| 1983 } | |
| 1984 } | |
| 1985 } | |
| 1986 | |
| 1987 TEST_F(GLHelperTest, CheckOptimizations) { | |
| 1988 // Test in baseclass since it is friends with GLHelperScaling | |
| 1989 CheckOptimizationsTest(); | |
| 1990 } | |
| 1991 | |
| 1992 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1802383002:
Move gl_helper to content/browser/compositor (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master