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| 1 // Copyright 2016 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/threading/thread_task_runner_handle.h" | |
| 31 #include "base/time/time.h" | |
| 32 #include "base/trace_event/trace_event.h" | |
| 33 #include "components/display_compositor/gl_helper.h" | |
| 34 #include "components/display_compositor/gl_helper_readback_support.h" | |
| 35 #include "components/display_compositor/gl_helper_scaling.h" | |
| 36 #include "gpu/command_buffer/client/gles2_implementation.h" | |
| 37 #include "gpu/command_buffer/client/shared_memory_limits.h" | |
| 38 #include "gpu/ipc/gl_in_process_context.h" | |
| 39 #include "testing/gtest/include/gtest/gtest.h" | |
| 40 #include "third_party/skia/include/core/SkBitmap.h" | |
| 41 #include "third_party/skia/include/core/SkTypes.h" | |
| 42 #include "ui/gl/gl_implementation.h" | |
| 43 | |
| 44 namespace display_compositor { | |
| 45 | |
| 46 display_compositor::GLHelper::ScalerQuality kQualities[] = { | |
| 47 display_compositor::GLHelper::SCALER_QUALITY_BEST, | |
| 48 display_compositor::GLHelper::SCALER_QUALITY_GOOD, | |
| 49 display_compositor::GLHelper::SCALER_QUALITY_FAST, | |
| 50 }; | |
| 51 | |
| 52 const char* kQualityNames[] = { | |
| 53 "best", "good", "fast", | |
| 54 }; | |
| 55 | |
| 56 class GLHelperTest : public testing::Test { | |
| 57 protected: | |
| 58 void SetUp() override { | |
| 59 gpu::gles2::ContextCreationAttribHelper attributes; | |
| 60 attributes.alpha_size = 8; | |
| 61 attributes.depth_size = 24; | |
| 62 attributes.red_size = 8; | |
| 63 attributes.green_size = 8; | |
| 64 attributes.blue_size = 8; | |
| 65 attributes.stencil_size = 8; | |
| 66 attributes.samples = 4; | |
| 67 attributes.sample_buffers = 1; | |
| 68 attributes.bind_generates_resource = false; | |
| 69 | |
| 70 context_.reset( | |
| 71 gpu::GLInProcessContext::Create(nullptr, /* service */ | |
| 72 nullptr, /* surface */ | |
| 73 true, /* offscreen */ | |
| 74 gpu::kNullSurfaceHandle, /* window */ | |
| 75 nullptr, /* share_context */ | |
| 76 attributes, gpu::SharedMemoryLimits(), | |
| 77 nullptr, /* gpu_memory_buffer_manager */ | |
| 78 nullptr, /* image_factory */ | |
| 79 base::ThreadTaskRunnerHandle::Get())); | |
| 80 gl_ = context_->GetImplementation(); | |
| 81 gpu::ContextSupport* support = context_->GetImplementation(); | |
| 82 | |
| 83 helper_.reset(new display_compositor::GLHelper(gl_, support)); | |
| 84 helper_scaling_.reset( | |
| 85 new display_compositor::GLHelperScaling(gl_, helper_.get())); | |
| 86 } | |
| 87 | |
| 88 void TearDown() override { | |
| 89 helper_scaling_.reset(nullptr); | |
| 90 helper_.reset(nullptr); | |
| 91 context_.reset(nullptr); | |
| 92 } | |
| 93 | |
| 94 // Bicubic filter kernel function. | |
| 95 static float Bicubic(float x) { | |
| 96 const float a = -0.5; | |
| 97 x = std::abs(x); | |
| 98 float x2 = x * x; | |
| 99 float x3 = x2 * x; | |
| 100 if (x <= 1) { | |
| 101 return (a + 2) * x3 - (a + 3) * x2 + 1; | |
| 102 } else if (x < 2) { | |
| 103 return a * x3 - 5 * a * x2 + 8 * a * x - 4 * a; | |
| 104 } else { | |
| 105 return 0.0f; | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 // Look up a single channel value. Works for 4-channel and single channel | |
| 110 // bitmaps. Clamp x/y. | |
| 111 int Channel(SkBitmap* pixels, int x, int y, int c) { | |
| 112 if (pixels->bytesPerPixel() == 4) { | |
| 113 uint32_t* data = | |
| 114 pixels->getAddr32(std::max(0, std::min(x, pixels->width() - 1)), | |
| 115 std::max(0, std::min(y, pixels->height() - 1))); | |
| 116 return (*data) >> (c * 8) & 0xff; | |
| 117 } else { | |
| 118 DCHECK_EQ(pixels->bytesPerPixel(), 1); | |
| 119 DCHECK_EQ(c, 0); | |
| 120 return *pixels->getAddr8(std::max(0, std::min(x, pixels->width() - 1)), | |
| 121 std::max(0, std::min(y, pixels->height() - 1))); | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 // Set a single channel value. Works for 4-channel and single channel | |
| 126 // bitmaps. Clamp x/y. | |
| 127 void SetChannel(SkBitmap* pixels, int x, int y, int c, int v) { | |
| 128 DCHECK_GE(x, 0); | |
| 129 DCHECK_GE(y, 0); | |
| 130 DCHECK_LT(x, pixels->width()); | |
| 131 DCHECK_LT(y, pixels->height()); | |
| 132 if (pixels->bytesPerPixel() == 4) { | |
| 133 uint32_t* data = pixels->getAddr32(x, y); | |
| 134 v = std::max(0, std::min(v, 255)); | |
| 135 *data = (*data & ~(0xffu << (c * 8))) | (v << (c * 8)); | |
| 136 } else { | |
| 137 DCHECK_EQ(pixels->bytesPerPixel(), 1); | |
| 138 DCHECK_EQ(c, 0); | |
| 139 uint8_t* data = pixels->getAddr8(x, y); | |
| 140 v = std::max(0, std::min(v, 255)); | |
| 141 *data = v; | |
| 142 } | |
| 143 } | |
| 144 | |
| 145 // Print all the R, G, B or A values from an SkBitmap in a | |
| 146 // human-readable format. | |
| 147 void PrintChannel(SkBitmap* pixels, int c) { | |
| 148 for (int y = 0; y < pixels->height(); y++) { | |
| 149 std::string formatted; | |
| 150 for (int x = 0; x < pixels->width(); x++) { | |
| 151 formatted.append(base::StringPrintf("%3d, ", Channel(pixels, x, y, c))); | |
| 152 } | |
| 153 LOG(ERROR) << formatted; | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 // Print out the individual steps of a scaler pipeline. | |
| 158 std::string PrintStages( | |
| 159 const std::vector<GLHelperScaling::ScalerStage>& scaler_stages) { | |
| 160 std::string ret; | |
| 161 for (size_t i = 0; i < scaler_stages.size(); i++) { | |
| 162 ret.append(base::StringPrintf( | |
| 163 "%dx%d -> %dx%d ", scaler_stages[i].src_size.width(), | |
| 164 scaler_stages[i].src_size.height(), scaler_stages[i].dst_size.width(), | |
| 165 scaler_stages[i].dst_size.height())); | |
| 166 bool xy_matters = false; | |
| 167 switch (scaler_stages[i].shader) { | |
| 168 case GLHelperScaling::SHADER_BILINEAR: | |
| 169 ret.append("bilinear"); | |
| 170 break; | |
| 171 case GLHelperScaling::SHADER_BILINEAR2: | |
| 172 ret.append("bilinear2"); | |
| 173 xy_matters = true; | |
| 174 break; | |
| 175 case GLHelperScaling::SHADER_BILINEAR3: | |
| 176 ret.append("bilinear3"); | |
| 177 xy_matters = true; | |
| 178 break; | |
| 179 case GLHelperScaling::SHADER_BILINEAR4: | |
| 180 ret.append("bilinear4"); | |
| 181 xy_matters = true; | |
| 182 break; | |
| 183 case GLHelperScaling::SHADER_BILINEAR2X2: | |
| 184 ret.append("bilinear2x2"); | |
| 185 break; | |
| 186 case GLHelperScaling::SHADER_BICUBIC_UPSCALE: | |
| 187 ret.append("bicubic upscale"); | |
| 188 xy_matters = true; | |
| 189 break; | |
| 190 case GLHelperScaling::SHADER_BICUBIC_HALF_1D: | |
| 191 ret.append("bicubic 1/2"); | |
| 192 xy_matters = true; | |
| 193 break; | |
| 194 case GLHelperScaling::SHADER_PLANAR: | |
| 195 ret.append("planar"); | |
| 196 break; | |
| 197 case GLHelperScaling::SHADER_YUV_MRT_PASS1: | |
| 198 ret.append("rgb2yuv pass 1"); | |
| 199 break; | |
| 200 case GLHelperScaling::SHADER_YUV_MRT_PASS2: | |
| 201 ret.append("rgb2yuv pass 2"); | |
| 202 break; | |
| 203 } | |
| 204 | |
| 205 if (xy_matters) { | |
| 206 if (scaler_stages[i].scale_x) { | |
| 207 ret.append(" X"); | |
| 208 } else { | |
| 209 ret.append(" Y"); | |
| 210 } | |
| 211 } | |
| 212 ret.append("\n"); | |
| 213 } | |
| 214 return ret; | |
| 215 } | |
| 216 | |
| 217 bool CheckScale(double scale, int samples, bool already_scaled) { | |
| 218 // 1:1 is valid if there is one sample. | |
| 219 if (samples == 1 && scale == 1.0) { | |
| 220 return true; | |
| 221 } | |
| 222 // Is it an exact down-scale (50%, 25%, etc.?) | |
| 223 if (scale == 2.0 * samples) { | |
| 224 return true; | |
| 225 } | |
| 226 // Upscales, only valid if we haven't already scaled in this dimension. | |
| 227 if (!already_scaled) { | |
| 228 // Is it a valid bilinear upscale? | |
| 229 if (samples == 1 && scale <= 1.0) { | |
| 230 return true; | |
| 231 } | |
| 232 // Multi-sample upscale-downscale combination? | |
| 233 if (scale > samples / 2.0 && scale < samples) { | |
| 234 return true; | |
| 235 } | |
| 236 } | |
| 237 return false; | |
| 238 } | |
| 239 | |
| 240 // Make sure that the stages of the scaler pipeline are sane. | |
| 241 void ValidateScalerStages( | |
| 242 display_compositor::GLHelper::ScalerQuality quality, | |
| 243 const std::vector<GLHelperScaling::ScalerStage>& scaler_stages, | |
| 244 const gfx::Size& dst_size, | |
| 245 const std::string& message) { | |
| 246 bool previous_error = HasFailure(); | |
| 247 // First, check that the input size for each stage is equal to | |
| 248 // the output size of the previous stage. | |
| 249 for (size_t i = 1; i < scaler_stages.size(); i++) { | |
| 250 EXPECT_EQ(scaler_stages[i - 1].dst_size.width(), | |
| 251 scaler_stages[i].src_size.width()); | |
| 252 EXPECT_EQ(scaler_stages[i - 1].dst_size.height(), | |
| 253 scaler_stages[i].src_size.height()); | |
| 254 EXPECT_EQ(scaler_stages[i].src_subrect.x(), 0); | |
| 255 EXPECT_EQ(scaler_stages[i].src_subrect.y(), 0); | |
| 256 EXPECT_EQ(scaler_stages[i].src_subrect.width(), | |
| 257 scaler_stages[i].src_size.width()); | |
| 258 EXPECT_EQ(scaler_stages[i].src_subrect.height(), | |
| 259 scaler_stages[i].src_size.height()); | |
| 260 } | |
| 261 | |
| 262 // Check the output size matches the destination of the last stage | |
| 263 EXPECT_EQ(scaler_stages.back().dst_size.width(), dst_size.width()); | |
| 264 EXPECT_EQ(scaler_stages.back().dst_size.height(), dst_size.height()); | |
| 265 | |
| 266 // Used to verify that up-scales are not attempted after some | |
| 267 // other scale. | |
| 268 bool scaled_x = false; | |
| 269 bool scaled_y = false; | |
| 270 | |
| 271 for (size_t i = 0; i < scaler_stages.size(); i++) { | |
| 272 // Note: 2.0 means scaling down by 50% | |
| 273 double x_scale = | |
| 274 static_cast<double>(scaler_stages[i].src_subrect.width()) / | |
| 275 static_cast<double>(scaler_stages[i].dst_size.width()); | |
| 276 double y_scale = | |
| 277 static_cast<double>(scaler_stages[i].src_subrect.height()) / | |
| 278 static_cast<double>(scaler_stages[i].dst_size.height()); | |
| 279 | |
| 280 int x_samples = 0; | |
| 281 int y_samples = 0; | |
| 282 | |
| 283 // Codify valid scale operations. | |
| 284 switch (scaler_stages[i].shader) { | |
| 285 case GLHelperScaling::SHADER_PLANAR: | |
| 286 case GLHelperScaling::SHADER_YUV_MRT_PASS1: | |
| 287 case GLHelperScaling::SHADER_YUV_MRT_PASS2: | |
| 288 EXPECT_TRUE(false) << "Invalid shader."; | |
| 289 break; | |
| 290 | |
| 291 case GLHelperScaling::SHADER_BILINEAR: | |
| 292 if (quality != display_compositor::GLHelper::SCALER_QUALITY_FAST) { | |
| 293 x_samples = 1; | |
| 294 y_samples = 1; | |
| 295 } | |
| 296 break; | |
| 297 case GLHelperScaling::SHADER_BILINEAR2: | |
| 298 x_samples = 2; | |
| 299 y_samples = 1; | |
| 300 break; | |
| 301 case GLHelperScaling::SHADER_BILINEAR3: | |
| 302 x_samples = 3; | |
| 303 y_samples = 1; | |
| 304 break; | |
| 305 case GLHelperScaling::SHADER_BILINEAR4: | |
| 306 x_samples = 4; | |
| 307 y_samples = 1; | |
| 308 break; | |
| 309 case GLHelperScaling::SHADER_BILINEAR2X2: | |
| 310 x_samples = 2; | |
| 311 y_samples = 2; | |
| 312 break; | |
| 313 case GLHelperScaling::SHADER_BICUBIC_UPSCALE: | |
| 314 if (scaler_stages[i].scale_x) { | |
| 315 EXPECT_LT(x_scale, 1.0); | |
| 316 EXPECT_EQ(y_scale, 1.0); | |
| 317 } else { | |
| 318 EXPECT_EQ(x_scale, 1.0); | |
| 319 EXPECT_LT(y_scale, 1.0); | |
| 320 } | |
| 321 break; | |
| 322 case GLHelperScaling::SHADER_BICUBIC_HALF_1D: | |
| 323 if (scaler_stages[i].scale_x) { | |
| 324 EXPECT_EQ(x_scale, 2.0); | |
| 325 EXPECT_EQ(y_scale, 1.0); | |
| 326 } else { | |
| 327 EXPECT_EQ(x_scale, 1.0); | |
| 328 EXPECT_EQ(y_scale, 2.0); | |
| 329 } | |
| 330 break; | |
| 331 } | |
| 332 | |
| 333 if (!scaler_stages[i].scale_x) { | |
| 334 std::swap(x_samples, y_samples); | |
| 335 } | |
| 336 | |
| 337 if (x_samples) { | |
| 338 EXPECT_TRUE(CheckScale(x_scale, x_samples, scaled_x)) << "x_scale = " | |
| 339 << x_scale; | |
| 340 } | |
| 341 if (y_samples) { | |
| 342 EXPECT_TRUE(CheckScale(y_scale, y_samples, scaled_y)) << "y_scale = " | |
| 343 << y_scale; | |
| 344 } | |
| 345 | |
| 346 if (x_scale != 1.0) { | |
| 347 scaled_x = true; | |
| 348 } | |
| 349 if (y_scale != 1.0) { | |
| 350 scaled_y = true; | |
| 351 } | |
| 352 } | |
| 353 | |
| 354 if (HasFailure() && !previous_error) { | |
| 355 LOG(ERROR) << "Invalid scaler stages: " << message; | |
| 356 LOG(ERROR) << "Scaler stages:"; | |
| 357 LOG(ERROR) << PrintStages(scaler_stages); | |
| 358 } | |
| 359 } | |
| 360 | |
| 361 // Compares two bitmaps taking color types into account. Checks whether each | |
| 362 // component of each pixel is no more than |maxdiff| apart. If bitmaps are not | |
| 363 // similar enough, prints out |truth|, |other|, |source|, |scaler_stages| | |
| 364 // and |message|. | |
| 365 void Compare(SkBitmap* truth, | |
| 366 SkBitmap* other, | |
| 367 int maxdiff, | |
| 368 SkBitmap* source, | |
| 369 const std::vector<GLHelperScaling::ScalerStage>& scaler_stages, | |
| 370 std::string message) { | |
| 371 EXPECT_EQ(truth->width(), other->width()); | |
| 372 EXPECT_EQ(truth->height(), other->height()); | |
| 373 bool swizzle = (truth->colorType() == kRGBA_8888_SkColorType && | |
| 374 other->colorType() == kBGRA_8888_SkColorType) || | |
| 375 (truth->colorType() == kBGRA_8888_SkColorType && | |
| 376 other->colorType() == kRGBA_8888_SkColorType); | |
| 377 EXPECT_TRUE(swizzle || truth->colorType() == other->colorType()); | |
| 378 int bpp = truth->bytesPerPixel(); | |
| 379 for (int x = 0; x < truth->width(); x++) { | |
| 380 for (int y = 0; y < truth->height(); y++) { | |
| 381 for (int c = 0; c < bpp; c++) { | |
| 382 int a = Channel(truth, x, y, c); | |
| 383 // swizzle when comparing if needed | |
| 384 int b = swizzle && (c == 0 || c == 2) | |
| 385 ? Channel(other, x, y, (c + 2) & 2) | |
| 386 : Channel(other, x, y, c); | |
| 387 EXPECT_NEAR(a, b, maxdiff) << " x=" << x << " y=" << y << " c=" << c | |
| 388 << " " << message; | |
| 389 if (std::abs(a - b) > maxdiff) { | |
| 390 LOG(ERROR) << "-------expected--------"; | |
| 391 for (int i = 0; i < bpp; i++) { | |
| 392 LOG(ERROR) << "Channel " << i << ":"; | |
| 393 PrintChannel(truth, i); | |
| 394 } | |
| 395 LOG(ERROR) << "-------actual--------"; | |
| 396 for (int i = 0; i < bpp; i++) { | |
| 397 LOG(ERROR) << "Channel " << i << ":"; | |
| 398 PrintChannel(other, i); | |
| 399 } | |
| 400 if (source) { | |
| 401 LOG(ERROR) << "-------original--------"; | |
| 402 for (int i = 0; i < source->bytesPerPixel(); i++) { | |
| 403 LOG(ERROR) << "Channel " << i << ":"; | |
| 404 PrintChannel(source, i); | |
| 405 } | |
| 406 } | |
| 407 LOG(ERROR) << "-----Scaler stages------"; | |
| 408 LOG(ERROR) << PrintStages(scaler_stages); | |
| 409 return; | |
| 410 } | |
| 411 } | |
| 412 } | |
| 413 } | |
| 414 } | |
| 415 | |
| 416 // Get a single R, G, B or A value as a float. | |
| 417 float ChannelAsFloat(SkBitmap* pixels, int x, int y, int c) { | |
| 418 return Channel(pixels, x, y, c) / 255.0; | |
| 419 } | |
| 420 | |
| 421 // Works like a GL_LINEAR lookup on an SkBitmap. | |
| 422 float Bilinear(SkBitmap* pixels, float x, float y, int c) { | |
| 423 x -= 0.5; | |
| 424 y -= 0.5; | |
| 425 int base_x = static_cast<int>(floorf(x)); | |
| 426 int base_y = static_cast<int>(floorf(y)); | |
| 427 x -= base_x; | |
| 428 y -= base_y; | |
| 429 return (ChannelAsFloat(pixels, base_x, base_y, c) * (1 - x) * (1 - y) + | |
| 430 ChannelAsFloat(pixels, base_x + 1, base_y, c) * x * (1 - y) + | |
| 431 ChannelAsFloat(pixels, base_x, base_y + 1, c) * (1 - x) * y + | |
| 432 ChannelAsFloat(pixels, base_x + 1, base_y + 1, c) * x * y); | |
| 433 } | |
| 434 | |
| 435 // Encodes an RGBA bitmap to grayscale. | |
| 436 // Reference implementation for | |
| 437 // GLHelper::CopyToTextureImpl::EncodeTextureAsGrayscale. | |
| 438 void EncodeToGrayscaleSlow(SkBitmap* input, SkBitmap* output) { | |
| 439 const float kRGBtoGrayscaleColorWeights[3] = {0.213f, 0.715f, 0.072f}; | |
| 440 CHECK_EQ(kAlpha_8_SkColorType, output->colorType()); | |
| 441 CHECK_EQ(input->width(), output->width()); | |
| 442 CHECK_EQ(input->height(), output->height()); | |
| 443 CHECK_EQ(input->colorType(), kRGBA_8888_SkColorType); | |
| 444 | |
| 445 for (int dst_y = 0; dst_y < output->height(); dst_y++) { | |
| 446 for (int dst_x = 0; dst_x < output->width(); dst_x++) { | |
| 447 float c0 = ChannelAsFloat(input, dst_x, dst_y, 0); | |
| 448 float c1 = ChannelAsFloat(input, dst_x, dst_y, 1); | |
| 449 float c2 = ChannelAsFloat(input, dst_x, dst_y, 2); | |
| 450 float value = c0 * kRGBtoGrayscaleColorWeights[0] + | |
| 451 c1 * kRGBtoGrayscaleColorWeights[1] + | |
| 452 c2 * kRGBtoGrayscaleColorWeights[2]; | |
| 453 SetChannel(output, dst_x, dst_y, 0, | |
| 454 static_cast<int>(value * 255.0f + 0.5f)); | |
| 455 } | |
| 456 } | |
| 457 } | |
| 458 | |
| 459 // Very slow bicubic / bilinear scaler for reference. | |
| 460 void ScaleSlow(SkBitmap* input, | |
| 461 SkBitmap* output, | |
| 462 display_compositor::GLHelper::ScalerQuality quality) { | |
| 463 float xscale = static_cast<float>(input->width()) / output->width(); | |
| 464 float yscale = static_cast<float>(input->height()) / output->height(); | |
| 465 float clamped_xscale = xscale < 1.0 ? 1.0 : 1.0 / xscale; | |
| 466 float clamped_yscale = yscale < 1.0 ? 1.0 : 1.0 / yscale; | |
| 467 for (int dst_y = 0; dst_y < output->height(); dst_y++) { | |
| 468 for (int dst_x = 0; dst_x < output->width(); dst_x++) { | |
| 469 for (int channel = 0; channel < 4; channel++) { | |
| 470 float dst_x_in_src = (dst_x + 0.5f) * xscale; | |
| 471 float dst_y_in_src = (dst_y + 0.5f) * yscale; | |
| 472 | |
| 473 float value = 0.0f; | |
| 474 float sum = 0.0f; | |
| 475 switch (quality) { | |
| 476 case display_compositor::GLHelper::SCALER_QUALITY_BEST: | |
| 477 for (int src_y = -10; src_y < input->height() + 10; ++src_y) { | |
| 478 float coeff_y = | |
| 479 Bicubic((src_y + 0.5f - dst_y_in_src) * clamped_yscale); | |
| 480 if (coeff_y == 0.0f) { | |
| 481 continue; | |
| 482 } | |
| 483 for (int src_x = -10; src_x < input->width() + 10; ++src_x) { | |
| 484 float coeff = | |
| 485 coeff_y * | |
| 486 Bicubic((src_x + 0.5f - dst_x_in_src) * clamped_xscale); | |
| 487 if (coeff == 0.0f) { | |
| 488 continue; | |
| 489 } | |
| 490 sum += coeff; | |
| 491 float c = ChannelAsFloat(input, src_x, src_y, channel); | |
| 492 value += c * coeff; | |
| 493 } | |
| 494 } | |
| 495 break; | |
| 496 | |
| 497 case display_compositor::GLHelper::SCALER_QUALITY_GOOD: { | |
| 498 int xshift = 0, yshift = 0; | |
| 499 while ((output->width() << xshift) < input->width()) { | |
| 500 xshift++; | |
| 501 } | |
| 502 while ((output->height() << yshift) < input->height()) { | |
| 503 yshift++; | |
| 504 } | |
| 505 int xmag = 1 << xshift; | |
| 506 int ymag = 1 << yshift; | |
| 507 if (xmag == 4 && output->width() * 3 >= input->width()) { | |
| 508 xmag = 3; | |
| 509 } | |
| 510 if (ymag == 4 && output->height() * 3 >= input->height()) { | |
| 511 ymag = 3; | |
| 512 } | |
| 513 for (int x = 0; x < xmag; x++) { | |
| 514 for (int y = 0; y < ymag; y++) { | |
| 515 value += Bilinear( | |
| 516 input, (dst_x * xmag + x + 0.5) * xscale / xmag, | |
| 517 (dst_y * ymag + y + 0.5) * yscale / ymag, channel); | |
| 518 sum += 1.0; | |
| 519 } | |
| 520 } | |
| 521 break; | |
| 522 } | |
| 523 | |
| 524 case display_compositor::GLHelper::SCALER_QUALITY_FAST: | |
| 525 value = Bilinear(input, dst_x_in_src, dst_y_in_src, channel); | |
| 526 sum = 1.0; | |
| 527 } | |
| 528 value /= sum; | |
| 529 SetChannel(output, dst_x, dst_y, channel, | |
| 530 static_cast<int>(value * 255.0f + 0.5f)); | |
| 531 } | |
| 532 } | |
| 533 } | |
| 534 } | |
| 535 | |
| 536 void FlipSKBitmap(SkBitmap* bitmap) { | |
| 537 int bpp = bitmap->bytesPerPixel(); | |
| 538 DCHECK(bpp == 4 || bpp == 1); | |
| 539 int top_line = 0; | |
| 540 int bottom_line = bitmap->height() - 1; | |
| 541 while (top_line < bottom_line) { | |
| 542 for (int x = 0; x < bitmap->width(); x++) { | |
| 543 bpp == 4 ? std::swap(*bitmap->getAddr32(x, top_line), | |
| 544 *bitmap->getAddr32(x, bottom_line)) | |
| 545 : std::swap(*bitmap->getAddr8(x, top_line), | |
| 546 *bitmap->getAddr8(x, bottom_line)); | |
| 547 } | |
| 548 top_line++; | |
| 549 bottom_line--; | |
| 550 } | |
| 551 } | |
| 552 | |
| 553 // Swaps red and blue channels in each pixel in a 32-bit bitmap. | |
| 554 void SwizzleSKBitmap(SkBitmap* bitmap) { | |
| 555 int bpp = bitmap->bytesPerPixel(); | |
| 556 DCHECK(bpp == 4); | |
| 557 for (int y = 0; y < bitmap->height(); y++) { | |
| 558 for (int x = 0; x < bitmap->width(); x++) { | |
| 559 // Swap channels 0 and 2 (red and blue) | |
| 560 int c0 = Channel(bitmap, x, y, 0); | |
| 561 int c2 = Channel(bitmap, x, y, 2); | |
| 562 SetChannel(bitmap, x, y, 2, c0); | |
| 563 SetChannel(bitmap, x, y, 0, c2); | |
| 564 } | |
| 565 } | |
| 566 } | |
| 567 | |
| 568 // gl_helper scales recursively, so we'll need to do that | |
| 569 // in the reference implementation too. | |
| 570 void ScaleSlowRecursive(SkBitmap* input, | |
| 571 SkBitmap* output, | |
| 572 display_compositor::GLHelper::ScalerQuality quality) { | |
| 573 if (quality == display_compositor::GLHelper::SCALER_QUALITY_FAST || | |
| 574 quality == display_compositor::GLHelper::SCALER_QUALITY_GOOD) { | |
| 575 ScaleSlow(input, output, quality); | |
| 576 return; | |
| 577 } | |
| 578 | |
| 579 float xscale = static_cast<float>(output->width()) / input->width(); | |
| 580 | |
| 581 // This corresponds to all the operations we can do directly. | |
| 582 float yscale = static_cast<float>(output->height()) / input->height(); | |
| 583 if ((xscale == 1.0f && yscale == 1.0f) || | |
| 584 (xscale == 0.5f && yscale == 1.0f) || | |
| 585 (xscale == 1.0f && yscale == 0.5f) || | |
| 586 (xscale >= 1.0f && yscale == 1.0f) || | |
| 587 (xscale == 1.0f && yscale >= 1.0f)) { | |
| 588 ScaleSlow(input, output, quality); | |
| 589 return; | |
| 590 } | |
| 591 | |
| 592 // Now we break the problem down into smaller pieces, using the | |
| 593 // operations available. | |
| 594 int xtmp = input->width(); | |
| 595 int ytmp = input->height(); | |
| 596 | |
| 597 if (output->height() != input->height()) { | |
| 598 ytmp = output->height(); | |
| 599 while (ytmp < input->height() && ytmp * 2 != input->height()) { | |
| 600 ytmp += ytmp; | |
| 601 } | |
| 602 } else { | |
| 603 xtmp = output->width(); | |
| 604 while (xtmp < input->width() && xtmp * 2 != input->width()) { | |
| 605 xtmp += xtmp; | |
| 606 } | |
| 607 } | |
| 608 | |
| 609 SkBitmap tmp; | |
| 610 tmp.allocN32Pixels(xtmp, ytmp); | |
| 611 | |
| 612 ScaleSlowRecursive(input, &tmp, quality); | |
| 613 ScaleSlowRecursive(&tmp, output, quality); | |
| 614 } | |
| 615 | |
| 616 // Creates an RGBA SkBitmap | |
| 617 std::unique_ptr<SkBitmap> CreateTestBitmap(int width, | |
| 618 int height, | |
| 619 int test_pattern) { | |
| 620 std::unique_ptr<SkBitmap> bitmap(new SkBitmap); | |
| 621 bitmap->allocPixels(SkImageInfo::Make(width, height, kRGBA_8888_SkColorType, | |
| 622 kPremul_SkAlphaType)); | |
| 623 | |
| 624 for (int x = 0; x < width; ++x) { | |
| 625 for (int y = 0; y < height; ++y) { | |
| 626 switch (test_pattern) { | |
| 627 case 0: // Smooth test pattern | |
| 628 SetChannel(bitmap.get(), x, y, 0, x * 10); | |
| 629 SetChannel(bitmap.get(), x, y, 0, y == 0 ? x * 50 : x * 10); | |
| 630 SetChannel(bitmap.get(), x, y, 1, y * 10); | |
| 631 SetChannel(bitmap.get(), x, y, 2, (x + y) * 10); | |
| 632 SetChannel(bitmap.get(), x, y, 3, 255); | |
| 633 break; | |
| 634 case 1: // Small blocks | |
| 635 SetChannel(bitmap.get(), x, y, 0, x & 1 ? 255 : 0); | |
| 636 SetChannel(bitmap.get(), x, y, 1, y & 1 ? 255 : 0); | |
| 637 SetChannel(bitmap.get(), x, y, 2, (x + y) & 1 ? 255 : 0); | |
| 638 SetChannel(bitmap.get(), x, y, 3, 255); | |
| 639 break; | |
| 640 case 2: // Medium blocks | |
| 641 SetChannel(bitmap.get(), x, y, 0, 10 + x / 2 * 50); | |
| 642 SetChannel(bitmap.get(), x, y, 1, 10 + y / 3 * 50); | |
| 643 SetChannel(bitmap.get(), x, y, 2, (x + y) / 5 * 50 + 5); | |
| 644 SetChannel(bitmap.get(), x, y, 3, 255); | |
| 645 break; | |
| 646 } | |
| 647 } | |
| 648 } | |
| 649 return bitmap; | |
| 650 } | |
| 651 | |
| 652 // Binds texture and framebuffer and loads the bitmap pixels into the texture. | |
| 653 void BindTextureAndFrameBuffer(GLuint texture, | |
| 654 GLuint framebuffer, | |
| 655 SkBitmap* bitmap, | |
| 656 int width, | |
| 657 int height) { | |
| 658 gl_->BindFramebuffer(GL_FRAMEBUFFER, framebuffer); | |
| 659 gl_->BindTexture(GL_TEXTURE_2D, texture); | |
| 660 gl_->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, | |
| 661 GL_UNSIGNED_BYTE, bitmap->getPixels()); | |
| 662 } | |
| 663 | |
| 664 // Create a test image, transform it using | |
| 665 // GLHelper::CropScaleReadbackAndCleanTexture and a reference implementation | |
| 666 // and compare the results. | |
| 667 void TestCropScaleReadbackAndCleanTexture(int xsize, | |
| 668 int ysize, | |
| 669 int scaled_xsize, | |
| 670 int scaled_ysize, | |
| 671 int test_pattern, | |
| 672 SkColorType out_color_type, | |
| 673 bool swizzle, | |
| 674 size_t quality_index) { | |
| 675 DCHECK(out_color_type == kAlpha_8_SkColorType || | |
| 676 out_color_type == kRGBA_8888_SkColorType || | |
| 677 out_color_type == kBGRA_8888_SkColorType); | |
| 678 GLuint src_texture; | |
| 679 gl_->GenTextures(1, &src_texture); | |
| 680 GLuint framebuffer; | |
| 681 gl_->GenFramebuffers(1, &framebuffer); | |
| 682 std::unique_ptr<SkBitmap> input_pixels = | |
| 683 CreateTestBitmap(xsize, ysize, test_pattern); | |
| 684 BindTextureAndFrameBuffer(src_texture, framebuffer, input_pixels.get(), | |
| 685 xsize, ysize); | |
| 686 | |
| 687 std::string message = base::StringPrintf( | |
| 688 "input size: %dx%d " | |
| 689 "output size: %dx%d " | |
| 690 "pattern: %d , quality: %s, " | |
| 691 "out_color_type: %d", | |
| 692 xsize, ysize, scaled_xsize, scaled_ysize, test_pattern, | |
| 693 kQualityNames[quality_index], out_color_type); | |
| 694 | |
| 695 // Transform the bitmap using GLHelper::CropScaleReadbackAndCleanTexture. | |
| 696 SkBitmap output_pixels; | |
| 697 output_pixels.allocPixels(SkImageInfo::Make( | |
| 698 scaled_xsize, scaled_ysize, out_color_type, kPremul_SkAlphaType)); | |
| 699 base::RunLoop run_loop; | |
| 700 gfx::Size encoded_texture_size; | |
| 701 helper_->CropScaleReadbackAndCleanTexture( | |
| 702 src_texture, gfx::Size(xsize, ysize), gfx::Rect(xsize, ysize), | |
| 703 gfx::Size(scaled_xsize, scaled_ysize), | |
| 704 static_cast<unsigned char*>(output_pixels.getPixels()), out_color_type, | |
| 705 base::Bind(&callcallback, run_loop.QuitClosure()), | |
| 706 kQualities[quality_index]); | |
| 707 run_loop.Run(); | |
| 708 // CropScaleReadbackAndCleanTexture flips the pixels. Flip them back. | |
| 709 FlipSKBitmap(&output_pixels); | |
| 710 | |
| 711 // If the bitmap shouldn't have changed - compare against input. | |
| 712 if (xsize == scaled_xsize && ysize == scaled_ysize && | |
| 713 out_color_type != kAlpha_8_SkColorType) { | |
| 714 const std::vector<GLHelperScaling::ScalerStage> dummy_stages; | |
| 715 Compare(input_pixels.get(), &output_pixels, 0, nullptr, dummy_stages, | |
| 716 message + " comparing against input"); | |
| 717 return; | |
| 718 } | |
| 719 | |
| 720 // Now transform the bitmap using the reference implementation. | |
| 721 SkBitmap scaled_pixels; | |
| 722 scaled_pixels.allocPixels(SkImageInfo::Make(scaled_xsize, scaled_ysize, | |
| 723 kRGBA_8888_SkColorType, | |
| 724 kPremul_SkAlphaType)); | |
| 725 SkBitmap truth_pixels; | |
| 726 // Step 1: Scale | |
| 727 ScaleSlowRecursive(input_pixels.get(), &scaled_pixels, | |
| 728 kQualities[quality_index]); | |
| 729 // Step 2: Encode to grayscale if needed. | |
| 730 if (out_color_type == kAlpha_8_SkColorType) { | |
| 731 truth_pixels.allocPixels(SkImageInfo::Make( | |
| 732 scaled_xsize, scaled_ysize, out_color_type, kPremul_SkAlphaType)); | |
| 733 EncodeToGrayscaleSlow(&scaled_pixels, &truth_pixels); | |
| 734 } else { | |
| 735 truth_pixels = scaled_pixels; | |
| 736 } | |
| 737 | |
| 738 // Now compare the results. | |
| 739 const std::vector<GLHelperScaling::ScalerStage> dummy_stages; | |
| 740 Compare(&truth_pixels, &output_pixels, 2, input_pixels.get(), dummy_stages, | |
| 741 message + " comparing against transformed/scaled"); | |
| 742 | |
| 743 gl_->DeleteTextures(1, &src_texture); | |
| 744 gl_->DeleteFramebuffers(1, &framebuffer); | |
| 745 } | |
| 746 | |
| 747 // Scaling test: Create a test image, scale it using GLHelperScaling | |
| 748 // and a reference implementation and compare the results. | |
| 749 void TestScale(int xsize, | |
| 750 int ysize, | |
| 751 int scaled_xsize, | |
| 752 int scaled_ysize, | |
| 753 int test_pattern, | |
| 754 size_t quality_index, | |
| 755 bool flip) { | |
| 756 GLuint src_texture; | |
| 757 gl_->GenTextures(1, &src_texture); | |
| 758 GLuint framebuffer; | |
| 759 gl_->GenFramebuffers(1, &framebuffer); | |
| 760 std::unique_ptr<SkBitmap> input_pixels = | |
| 761 CreateTestBitmap(xsize, ysize, test_pattern); | |
| 762 BindTextureAndFrameBuffer(src_texture, framebuffer, input_pixels.get(), | |
| 763 xsize, ysize); | |
| 764 | |
| 765 std::string message = base::StringPrintf( | |
| 766 "input size: %dx%d " | |
| 767 "output size: %dx%d " | |
| 768 "pattern: %d quality: %s", | |
| 769 xsize, ysize, scaled_xsize, scaled_ysize, test_pattern, | |
| 770 kQualityNames[quality_index]); | |
| 771 | |
| 772 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 773 helper_scaling_->ComputeScalerStages( | |
| 774 kQualities[quality_index], gfx::Size(xsize, ysize), | |
| 775 gfx::Rect(0, 0, xsize, ysize), gfx::Size(scaled_xsize, scaled_ysize), | |
| 776 flip, false, &stages); | |
| 777 ValidateScalerStages(kQualities[quality_index], stages, | |
| 778 gfx::Size(scaled_xsize, scaled_ysize), message); | |
| 779 | |
| 780 GLuint dst_texture = helper_->CopyAndScaleTexture( | |
| 781 src_texture, gfx::Size(xsize, ysize), | |
| 782 gfx::Size(scaled_xsize, scaled_ysize), flip, kQualities[quality_index]); | |
| 783 | |
| 784 SkBitmap output_pixels; | |
| 785 output_pixels.allocPixels(SkImageInfo::Make(scaled_xsize, scaled_ysize, | |
| 786 kRGBA_8888_SkColorType, | |
| 787 kPremul_SkAlphaType)); | |
| 788 | |
| 789 helper_->ReadbackTextureSync( | |
| 790 dst_texture, gfx::Rect(0, 0, scaled_xsize, scaled_ysize), | |
| 791 static_cast<unsigned char*>(output_pixels.getPixels()), | |
| 792 kRGBA_8888_SkColorType); | |
| 793 if (flip) { | |
| 794 // Flip the pixels back. | |
| 795 FlipSKBitmap(&output_pixels); | |
| 796 } | |
| 797 | |
| 798 // If the bitmap shouldn't have changed - compare against input. | |
| 799 if (xsize == scaled_xsize && ysize == scaled_ysize) { | |
| 800 Compare(input_pixels.get(), &output_pixels, 0, nullptr, stages, | |
| 801 message + " comparing against input"); | |
| 802 return; | |
| 803 } | |
| 804 | |
| 805 // Now scale the bitmap using the reference implementation. | |
| 806 SkBitmap truth_pixels; | |
| 807 truth_pixels.allocPixels(SkImageInfo::Make(scaled_xsize, scaled_ysize, | |
| 808 kRGBA_8888_SkColorType, | |
| 809 kPremul_SkAlphaType)); | |
| 810 ScaleSlowRecursive(input_pixels.get(), &truth_pixels, | |
| 811 kQualities[quality_index]); | |
| 812 Compare(&truth_pixels, &output_pixels, 2, input_pixels.get(), stages, | |
| 813 message + " comparing against scaled"); | |
| 814 | |
| 815 gl_->DeleteTextures(1, &src_texture); | |
| 816 gl_->DeleteTextures(1, &dst_texture); | |
| 817 gl_->DeleteFramebuffers(1, &framebuffer); | |
| 818 } | |
| 819 | |
| 820 // Create a scaling pipeline and check that it is made up of | |
| 821 // valid scaling operations. | |
| 822 void TestScalerPipeline(size_t quality, | |
| 823 int xsize, | |
| 824 int ysize, | |
| 825 int dst_xsize, | |
| 826 int dst_ysize) { | |
| 827 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 828 helper_scaling_->ComputeScalerStages( | |
| 829 kQualities[quality], gfx::Size(xsize, ysize), | |
| 830 gfx::Rect(0, 0, xsize, ysize), gfx::Size(dst_xsize, dst_ysize), false, | |
| 831 false, &stages); | |
| 832 ValidateScalerStages(kQualities[quality], stages, | |
| 833 gfx::Size(dst_xsize, dst_ysize), | |
| 834 base::StringPrintf("input size: %dx%d " | |
| 835 "output size: %dx%d " | |
| 836 "quality: %s", | |
| 837 xsize, ysize, dst_xsize, dst_ysize, | |
| 838 kQualityNames[quality])); | |
| 839 } | |
| 840 | |
| 841 // Create a scaling pipeline and make sure that the steps | |
| 842 // are exactly the steps we expect. | |
| 843 void CheckPipeline(display_compositor::GLHelper::ScalerQuality quality, | |
| 844 int xsize, | |
| 845 int ysize, | |
| 846 int dst_xsize, | |
| 847 int dst_ysize, | |
| 848 const std::string& description) { | |
| 849 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 850 helper_scaling_->ComputeScalerStages( | |
| 851 quality, gfx::Size(xsize, ysize), gfx::Rect(0, 0, xsize, ysize), | |
| 852 gfx::Size(dst_xsize, dst_ysize), false, false, &stages); | |
| 853 ValidateScalerStages(display_compositor::GLHelper::SCALER_QUALITY_GOOD, | |
| 854 stages, gfx::Size(dst_xsize, dst_ysize), ""); | |
| 855 EXPECT_EQ(PrintStages(stages), description); | |
| 856 } | |
| 857 | |
| 858 static void callcallback(const base::Callback<void()>& callback, | |
| 859 bool result) { | |
| 860 callback.Run(); | |
| 861 } | |
| 862 | |
| 863 void DrawGridToBitmap(int w, | |
| 864 int h, | |
| 865 SkColor background_color, | |
| 866 SkColor grid_color, | |
| 867 int grid_pitch, | |
| 868 int grid_width, | |
| 869 SkBitmap& bmp) { | |
| 870 ASSERT_GT(grid_pitch, 0); | |
| 871 ASSERT_GT(grid_width, 0); | |
| 872 ASSERT_NE(background_color, grid_color); | |
| 873 | |
| 874 for (int y = 0; y < h; ++y) { | |
| 875 bool y_on_grid = ((y % grid_pitch) < grid_width); | |
| 876 | |
| 877 for (int x = 0; x < w; ++x) { | |
| 878 bool on_grid = (y_on_grid || ((x % grid_pitch) < grid_width)); | |
| 879 | |
| 880 if (bmp.colorType() == kRGBA_8888_SkColorType || | |
| 881 bmp.colorType() == kBGRA_8888_SkColorType) { | |
| 882 *bmp.getAddr32(x, y) = (on_grid ? grid_color : background_color); | |
| 883 } else if (bmp.colorType() == kRGB_565_SkColorType) { | |
| 884 *bmp.getAddr16(x, y) = (on_grid ? grid_color : background_color); | |
| 885 } | |
| 886 } | |
| 887 } | |
| 888 } | |
| 889 | |
| 890 void DrawCheckerToBitmap(int w, | |
| 891 int h, | |
| 892 SkColor color1, | |
| 893 SkColor color2, | |
| 894 int rect_w, | |
| 895 int rect_h, | |
| 896 SkBitmap& bmp) { | |
| 897 ASSERT_GT(rect_w, 0); | |
| 898 ASSERT_GT(rect_h, 0); | |
| 899 ASSERT_NE(color1, color2); | |
| 900 | |
| 901 for (int y = 0; y < h; ++y) { | |
| 902 bool y_bit = (((y / rect_h) & 0x1) == 0); | |
| 903 | |
| 904 for (int x = 0; x < w; ++x) { | |
| 905 bool x_bit = (((x / rect_w) & 0x1) == 0); | |
| 906 | |
| 907 bool use_color2 = (x_bit != y_bit); // xor | |
| 908 if (bmp.colorType() == kRGBA_8888_SkColorType || | |
| 909 bmp.colorType() == kBGRA_8888_SkColorType) { | |
| 910 *bmp.getAddr32(x, y) = (use_color2 ? color2 : color1); | |
| 911 } else if (bmp.colorType() == kRGB_565_SkColorType) { | |
| 912 *bmp.getAddr16(x, y) = (use_color2 ? color2 : color1); | |
| 913 } | |
| 914 } | |
| 915 } | |
| 916 } | |
| 917 | |
| 918 bool ColorComponentsClose(SkColor component1, | |
| 919 SkColor component2, | |
| 920 SkColorType color_type) { | |
| 921 int c1 = static_cast<int>(component1); | |
| 922 int c2 = static_cast<int>(component2); | |
| 923 bool result = false; | |
| 924 switch (color_type) { | |
| 925 case kRGBA_8888_SkColorType: | |
| 926 case kBGRA_8888_SkColorType: | |
| 927 result = (std::abs(c1 - c2) == 0); | |
| 928 break; | |
| 929 case kRGB_565_SkColorType: | |
| 930 result = (std::abs(c1 - c2) <= 7); | |
| 931 break; | |
| 932 default: | |
| 933 break; | |
| 934 } | |
| 935 return result; | |
| 936 } | |
| 937 | |
| 938 bool ColorsClose(SkColor color1, SkColor color2, SkColorType color_type) { | |
| 939 bool red = ColorComponentsClose(SkColorGetR(color1), SkColorGetR(color2), | |
| 940 color_type); | |
| 941 bool green = ColorComponentsClose(SkColorGetG(color1), SkColorGetG(color2), | |
| 942 color_type); | |
| 943 bool blue = ColorComponentsClose(SkColorGetB(color1), SkColorGetB(color2), | |
| 944 color_type); | |
| 945 bool alpha = ColorComponentsClose(SkColorGetA(color1), SkColorGetA(color2), | |
| 946 color_type); | |
| 947 if (color_type == kRGB_565_SkColorType) { | |
| 948 return red && blue && green; | |
| 949 } | |
| 950 return red && blue && green && alpha; | |
| 951 } | |
| 952 | |
| 953 bool IsEqual(const SkBitmap& bmp1, const SkBitmap& bmp2) { | |
| 954 if (bmp1.isNull() && bmp2.isNull()) | |
| 955 return true; | |
| 956 if (bmp1.width() != bmp2.width() || bmp1.height() != bmp2.height()) { | |
| 957 LOG(ERROR) << "Bitmap geometry check failure"; | |
| 958 return false; | |
| 959 } | |
| 960 if (bmp1.colorType() != bmp2.colorType()) | |
| 961 return false; | |
| 962 | |
| 963 if (!bmp1.getPixels() || !bmp2.getPixels()) { | |
| 964 LOG(ERROR) << "Empty Bitmap!"; | |
| 965 return false; | |
| 966 } | |
| 967 for (int y = 0; y < bmp1.height(); ++y) { | |
| 968 for (int x = 0; x < bmp1.width(); ++x) { | |
| 969 if (!ColorsClose(bmp1.getColor(x, y), bmp2.getColor(x, y), | |
| 970 bmp1.colorType())) { | |
| 971 LOG(ERROR) << "Bitmap color comparision failure"; | |
| 972 return false; | |
| 973 } | |
| 974 } | |
| 975 } | |
| 976 return true; | |
| 977 } | |
| 978 | |
| 979 void BindAndAttachTextureWithPixels(GLuint src_texture, | |
| 980 SkColorType color_type, | |
| 981 const gfx::Size& src_size, | |
| 982 const SkBitmap& input_pixels) { | |
| 983 gl_->BindTexture(GL_TEXTURE_2D, src_texture); | |
| 984 GLenum format = 0; | |
| 985 switch (color_type) { | |
| 986 case kBGRA_8888_SkColorType: | |
| 987 format = GL_BGRA_EXT; | |
| 988 break; | |
| 989 case kRGBA_8888_SkColorType: | |
| 990 format = GL_RGBA; | |
| 991 break; | |
| 992 case kRGB_565_SkColorType: | |
| 993 format = GL_RGB; | |
| 994 break; | |
| 995 default: | |
| 996 NOTREACHED(); | |
| 997 } | |
| 998 GLenum type = (color_type == kRGB_565_SkColorType) ? GL_UNSIGNED_SHORT_5_6_5 | |
| 999 : GL_UNSIGNED_BYTE; | |
| 1000 gl_->TexImage2D(GL_TEXTURE_2D, 0, format, src_size.width(), | |
| 1001 src_size.height(), 0, format, type, | |
| 1002 input_pixels.getPixels()); | |
| 1003 } | |
| 1004 | |
| 1005 void ReadBackTexture(GLuint src_texture, | |
| 1006 const gfx::Size& src_size, | |
| 1007 unsigned char* pixels, | |
| 1008 SkColorType color_type, | |
| 1009 bool async) { | |
| 1010 if (async) { | |
| 1011 base::RunLoop run_loop; | |
| 1012 helper_->ReadbackTextureAsync( | |
| 1013 src_texture, src_size, pixels, color_type, | |
| 1014 base::Bind(&callcallback, run_loop.QuitClosure())); | |
| 1015 run_loop.Run(); | |
| 1016 } else { | |
| 1017 helper_->ReadbackTextureSync(src_texture, gfx::Rect(src_size), pixels, | |
| 1018 color_type); | |
| 1019 } | |
| 1020 } | |
| 1021 // Test basic format readback. | |
| 1022 bool TestTextureFormatReadback(const gfx::Size& src_size, | |
| 1023 SkColorType color_type, | |
| 1024 bool async) { | |
| 1025 SkImageInfo info = SkImageInfo::Make(src_size.width(), src_size.height(), | |
| 1026 color_type, kPremul_SkAlphaType); | |
| 1027 if (!helper_->IsReadbackConfigSupported(color_type)) { | |
| 1028 LOG(INFO) << "Skipping test format not supported" << color_type; | |
| 1029 return true; | |
| 1030 } | |
| 1031 GLuint src_texture; | |
| 1032 gl_->GenTextures(1, &src_texture); | |
| 1033 SkBitmap input_pixels; | |
| 1034 input_pixels.allocPixels(info); | |
| 1035 // Test Pattern-1, Fill with Plain color pattern. | |
| 1036 // Erase the input bitmap with red color. | |
| 1037 input_pixels.eraseColor(SK_ColorRED); | |
| 1038 BindAndAttachTextureWithPixels(src_texture, color_type, src_size, | |
| 1039 input_pixels); | |
| 1040 SkBitmap output_pixels; | |
| 1041 output_pixels.allocPixels(info); | |
| 1042 // Initialize the output bitmap with Green color. | |
| 1043 // When the readback is over output bitmap should have the red color. | |
| 1044 output_pixels.eraseColor(SK_ColorGREEN); | |
| 1045 uint8_t* pixels = static_cast<uint8_t*>(output_pixels.getPixels()); | |
| 1046 ReadBackTexture(src_texture, src_size, pixels, color_type, async); | |
| 1047 bool result = IsEqual(input_pixels, output_pixels); | |
| 1048 if (!result) { | |
| 1049 LOG(ERROR) << "Bitmap comparision failure Pattern-1"; | |
| 1050 return false; | |
| 1051 } | |
| 1052 const int rect_w = 10, rect_h = 4, src_grid_pitch = 10, src_grid_width = 4; | |
| 1053 const SkColor color1 = SK_ColorRED, color2 = SK_ColorBLUE; | |
| 1054 // Test Pattern-2, Fill with Grid Pattern. | |
| 1055 DrawGridToBitmap(src_size.width(), src_size.height(), color2, color1, | |
| 1056 src_grid_pitch, src_grid_width, input_pixels); | |
| 1057 BindAndAttachTextureWithPixels(src_texture, color_type, src_size, | |
| 1058 input_pixels); | |
| 1059 ReadBackTexture(src_texture, src_size, pixels, color_type, async); | |
| 1060 result = IsEqual(input_pixels, output_pixels); | |
| 1061 if (!result) { | |
| 1062 LOG(ERROR) << "Bitmap comparision failure Pattern-2"; | |
| 1063 return false; | |
| 1064 } | |
| 1065 // Test Pattern-3, Fill with CheckerBoard Pattern. | |
| 1066 DrawCheckerToBitmap(src_size.width(), src_size.height(), color1, color2, | |
| 1067 rect_w, rect_h, input_pixels); | |
| 1068 BindAndAttachTextureWithPixels(src_texture, color_type, src_size, | |
| 1069 input_pixels); | |
| 1070 ReadBackTexture(src_texture, src_size, pixels, color_type, async); | |
| 1071 result = IsEqual(input_pixels, output_pixels); | |
| 1072 if (!result) { | |
| 1073 LOG(ERROR) << "Bitmap comparision failure Pattern-3"; | |
| 1074 return false; | |
| 1075 } | |
| 1076 gl_->DeleteTextures(1, &src_texture); | |
| 1077 if (HasFailure()) { | |
| 1078 return false; | |
| 1079 } | |
| 1080 return true; | |
| 1081 } | |
| 1082 | |
| 1083 void TestAddOps(int src, int dst, bool scale_x, bool allow3) { | |
| 1084 std::deque<GLHelperScaling::ScaleOp> ops; | |
| 1085 GLHelperScaling::ScaleOp::AddOps(src, dst, scale_x, allow3, &ops); | |
| 1086 // Scale factor 3 is a special case. | |
| 1087 // It is currently only allowed by itself. | |
| 1088 if (allow3 && dst * 3 >= src && dst * 2 < src) { | |
| 1089 EXPECT_EQ(ops[0].scale_factor, 3); | |
| 1090 EXPECT_EQ(ops.size(), 1U); | |
| 1091 EXPECT_EQ(ops[0].scale_x, scale_x); | |
| 1092 EXPECT_EQ(ops[0].scale_size, dst); | |
| 1093 return; | |
| 1094 } | |
| 1095 | |
| 1096 for (size_t i = 0; i < ops.size(); i++) { | |
| 1097 EXPECT_EQ(ops[i].scale_x, scale_x); | |
| 1098 if (i == 0) { | |
| 1099 // Only the first op is allowed to be a scale up. | |
| 1100 // (Scaling up *after* scaling down would make it fuzzy.) | |
| 1101 EXPECT_TRUE(ops[0].scale_factor == 0 || ops[0].scale_factor == 2); | |
| 1102 } else { | |
| 1103 // All other operations must be 50% downscales. | |
| 1104 EXPECT_EQ(ops[i].scale_factor, 2); | |
| 1105 } | |
| 1106 } | |
| 1107 // Check that the scale factors make sense and add up. | |
| 1108 int tmp = dst; | |
| 1109 for (int i = static_cast<int>(ops.size() - 1); i >= 0; i--) { | |
| 1110 EXPECT_EQ(tmp, ops[i].scale_size); | |
| 1111 if (ops[i].scale_factor == 0) { | |
| 1112 EXPECT_EQ(i, 0); | |
| 1113 EXPECT_GT(tmp, src); | |
| 1114 tmp = src; | |
| 1115 } else { | |
| 1116 tmp *= ops[i].scale_factor; | |
| 1117 } | |
| 1118 } | |
| 1119 EXPECT_EQ(tmp, src); | |
| 1120 } | |
| 1121 | |
| 1122 void CheckPipeline2(int xsize, | |
| 1123 int ysize, | |
| 1124 int dst_xsize, | |
| 1125 int dst_ysize, | |
| 1126 const std::string& description) { | |
| 1127 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 1128 helper_scaling_->ConvertScalerOpsToScalerStages( | |
| 1129 display_compositor::GLHelper::SCALER_QUALITY_GOOD, | |
| 1130 gfx::Size(xsize, ysize), gfx::Rect(0, 0, xsize, ysize), | |
| 1131 gfx::Size(dst_xsize, dst_ysize), false, false, &x_ops_, &y_ops_, | |
| 1132 &stages); | |
| 1133 EXPECT_EQ(x_ops_.size(), 0U); | |
| 1134 EXPECT_EQ(y_ops_.size(), 0U); | |
| 1135 ValidateScalerStages(display_compositor::GLHelper::SCALER_QUALITY_GOOD, | |
| 1136 stages, gfx::Size(dst_xsize, dst_ysize), ""); | |
| 1137 EXPECT_EQ(PrintStages(stages), description); | |
| 1138 } | |
| 1139 | |
| 1140 void CheckOptimizationsTest() { | |
| 1141 // Basic upscale. X and Y should be combined into one pass. | |
| 1142 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 2000)); | |
| 1143 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 2000)); | |
| 1144 CheckPipeline2(1024, 768, 2000, 2000, "1024x768 -> 2000x2000 bilinear\n"); | |
| 1145 | |
| 1146 // X scaled 1/2, Y upscaled, should still be one pass. | |
| 1147 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 512)); | |
| 1148 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 2000)); | |
| 1149 CheckPipeline2(1024, 768, 512, 2000, "1024x768 -> 512x2000 bilinear\n"); | |
| 1150 | |
| 1151 // X upscaled, Y scaled 1/2, one bilinear pass | |
| 1152 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 2000)); | |
| 1153 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 384)); | |
| 1154 CheckPipeline2(1024, 768, 2000, 384, "1024x768 -> 2000x384 bilinear\n"); | |
| 1155 | |
| 1156 // X scaled 1/2, Y scaled 1/2, one bilinear pass | |
| 1157 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 512)); | |
| 1158 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 384)); | |
| 1159 CheckPipeline2(1024, 768, 512, 384, "1024x768 -> 512x384 bilinear\n"); | |
| 1160 | |
| 1161 // X scaled 1/2, Y scaled to 60%, one bilinear2 pass. | |
| 1162 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 50)); | |
| 1163 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1164 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1165 CheckPipeline2(100, 100, 50, 60, "100x100 -> 50x60 bilinear2 Y\n"); | |
| 1166 | |
| 1167 // X scaled to 60%, Y scaled 1/2, one bilinear2 pass. | |
| 1168 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1169 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1170 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 50)); | |
| 1171 CheckPipeline2(100, 100, 60, 50, "100x100 -> 60x50 bilinear2 X\n"); | |
| 1172 | |
| 1173 // X scaled to 60%, Y scaled 60%, one bilinear2x2 pass. | |
| 1174 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1175 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1176 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1177 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1178 CheckPipeline2(100, 100, 60, 60, "100x100 -> 60x60 bilinear2x2\n"); | |
| 1179 | |
| 1180 // X scaled to 40%, Y scaled 40%, two bilinear3 passes. | |
| 1181 x_ops_.push_back(GLHelperScaling::ScaleOp(3, true, 40)); | |
| 1182 y_ops_.push_back(GLHelperScaling::ScaleOp(3, false, 40)); | |
| 1183 CheckPipeline2(100, 100, 40, 40, | |
| 1184 "100x100 -> 100x40 bilinear3 Y\n" | |
| 1185 "100x40 -> 40x40 bilinear3 X\n"); | |
| 1186 | |
| 1187 // X scaled to 60%, Y scaled 40% | |
| 1188 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1189 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1190 y_ops_.push_back(GLHelperScaling::ScaleOp(3, false, 40)); | |
| 1191 CheckPipeline2(100, 100, 60, 40, | |
| 1192 "100x100 -> 100x40 bilinear3 Y\n" | |
| 1193 "100x40 -> 60x40 bilinear2 X\n"); | |
| 1194 | |
| 1195 // X scaled to 40%, Y scaled 60% | |
| 1196 x_ops_.push_back(GLHelperScaling::ScaleOp(3, true, 40)); | |
| 1197 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1198 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1199 CheckPipeline2(100, 100, 40, 60, | |
| 1200 "100x100 -> 100x60 bilinear2 Y\n" | |
| 1201 "100x60 -> 40x60 bilinear3 X\n"); | |
| 1202 | |
| 1203 // X scaled to 30%, Y scaled 30% | |
| 1204 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1205 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1206 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 30)); | |
| 1207 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1208 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1209 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); | |
| 1210 CheckPipeline2(100, 100, 30, 30, | |
| 1211 "100x100 -> 100x30 bilinear4 Y\n" | |
| 1212 "100x30 -> 30x30 bilinear4 X\n"); | |
| 1213 | |
| 1214 // X scaled to 50%, Y scaled 30% | |
| 1215 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 50)); | |
| 1216 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1217 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1218 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); | |
| 1219 CheckPipeline2(100, 100, 50, 30, "100x100 -> 50x30 bilinear4 Y\n"); | |
| 1220 | |
| 1221 // X scaled to 150%, Y scaled 30% | |
| 1222 // Note that we avoid combinding X and Y passes | |
| 1223 // as that would probably be LESS efficient here. | |
| 1224 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 150)); | |
| 1225 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1226 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1227 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); | |
| 1228 CheckPipeline2(100, 100, 150, 30, | |
| 1229 "100x100 -> 100x30 bilinear4 Y\n" | |
| 1230 "100x30 -> 150x30 bilinear\n"); | |
| 1231 | |
| 1232 // X scaled to 1%, Y scaled 1% | |
| 1233 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 128)); | |
| 1234 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 64)); | |
| 1235 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 32)); | |
| 1236 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 16)); | |
| 1237 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 8)); | |
| 1238 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 4)); | |
| 1239 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 2)); | |
| 1240 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 1)); | |
| 1241 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 128)); | |
| 1242 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 64)); | |
| 1243 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 32)); | |
| 1244 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 16)); | |
| 1245 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 8)); | |
| 1246 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 4)); | |
| 1247 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 2)); | |
| 1248 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 1)); | |
| 1249 CheckPipeline2(100, 100, 1, 1, | |
| 1250 "100x100 -> 100x32 bilinear4 Y\n" | |
| 1251 "100x32 -> 100x4 bilinear4 Y\n" | |
| 1252 "100x4 -> 64x1 bilinear2x2\n" | |
| 1253 "64x1 -> 8x1 bilinear4 X\n" | |
| 1254 "8x1 -> 1x1 bilinear4 X\n"); | |
| 1255 } | |
| 1256 | |
| 1257 std::unique_ptr<gpu::GLInProcessContext> context_; | |
| 1258 gpu::gles2::GLES2Interface* gl_; | |
| 1259 std::unique_ptr<display_compositor::GLHelper> helper_; | |
| 1260 std::unique_ptr<display_compositor::GLHelperScaling> helper_scaling_; | |
| 1261 std::deque<GLHelperScaling::ScaleOp> x_ops_, y_ops_; | |
| 1262 base::MessageLoop message_loop_; | |
| 1263 }; | |
| 1264 | |
| 1265 class GLHelperPixelTest : public GLHelperTest { | |
| 1266 private: | |
| 1267 gl::DisableNullDrawGLBindings enable_pixel_output_; | |
| 1268 }; | |
| 1269 | |
| 1270 TEST_F(GLHelperTest, RGBASyncReadbackTest) { | |
| 1271 const int kTestSize = 64; | |
| 1272 bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), | |
| 1273 kRGBA_8888_SkColorType, false); | |
| 1274 EXPECT_EQ(result, true); | |
| 1275 } | |
| 1276 | |
| 1277 TEST_F(GLHelperTest, BGRASyncReadbackTest) { | |
| 1278 const int kTestSize = 64; | |
| 1279 bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), | |
| 1280 kBGRA_8888_SkColorType, false); | |
| 1281 EXPECT_EQ(result, true); | |
| 1282 } | |
| 1283 | |
| 1284 TEST_F(GLHelperTest, RGB565SyncReadbackTest) { | |
| 1285 const int kTestSize = 64; | |
| 1286 bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), | |
| 1287 kRGB_565_SkColorType, false); | |
| 1288 EXPECT_EQ(result, true); | |
| 1289 } | |
| 1290 | |
| 1291 TEST_F(GLHelperTest, RGBAASyncReadbackTest) { | |
| 1292 const int kTestSize = 64; | |
| 1293 bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), | |
| 1294 kRGBA_8888_SkColorType, true); | |
| 1295 EXPECT_EQ(result, true); | |
| 1296 } | |
| 1297 | |
| 1298 TEST_F(GLHelperTest, BGRAASyncReadbackTest) { | |
| 1299 const int kTestSize = 64; | |
| 1300 bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), | |
| 1301 kBGRA_8888_SkColorType, true); | |
| 1302 EXPECT_EQ(result, true); | |
| 1303 } | |
| 1304 | |
| 1305 TEST_F(GLHelperTest, RGB565ASyncReadbackTest) { | |
| 1306 const int kTestSize = 64; | |
| 1307 bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), | |
| 1308 kRGB_565_SkColorType, true); | |
| 1309 EXPECT_EQ(result, true); | |
| 1310 } | |
| 1311 | |
| 1312 int kRGBReadBackSizes[] = {3, 6, 16}; | |
| 1313 | |
| 1314 class GLHelperPixelReadbackTest | |
| 1315 : public GLHelperPixelTest, | |
| 1316 public ::testing::WithParamInterface<std::tr1::tuple<unsigned int, | |
| 1317 unsigned int, | |
| 1318 unsigned int, | |
| 1319 unsigned int, | |
| 1320 unsigned int>> {}; | |
| 1321 | |
| 1322 // Per pixel tests, all sizes are small so that we can print | |
| 1323 // out the generated bitmaps. | |
| 1324 TEST_P(GLHelperPixelReadbackTest, ScaleTest) { | |
| 1325 unsigned int q_index = std::tr1::get<0>(GetParam()); | |
| 1326 unsigned int x = std::tr1::get<1>(GetParam()); | |
| 1327 unsigned int y = std::tr1::get<2>(GetParam()); | |
| 1328 unsigned int dst_x = std::tr1::get<3>(GetParam()); | |
| 1329 unsigned int dst_y = std::tr1::get<4>(GetParam()); | |
| 1330 | |
| 1331 for (int flip = 0; flip <= 1; flip++) { | |
| 1332 for (int pattern = 0; pattern < 3; pattern++) { | |
| 1333 TestScale(kRGBReadBackSizes[x], kRGBReadBackSizes[y], | |
| 1334 kRGBReadBackSizes[dst_x], kRGBReadBackSizes[dst_y], pattern, | |
| 1335 q_index, flip == 1); | |
| 1336 if (HasFailure()) { | |
| 1337 return; | |
| 1338 } | |
| 1339 } | |
| 1340 } | |
| 1341 } | |
| 1342 | |
| 1343 // Per pixel tests, all sizes are small so that we can print | |
| 1344 // out the generated bitmaps. | |
| 1345 TEST_P(GLHelperPixelReadbackTest, CropScaleReadbackAndCleanTextureTest) { | |
| 1346 unsigned int q_index = std::tr1::get<0>(GetParam()); | |
| 1347 unsigned int x = std::tr1::get<1>(GetParam()); | |
| 1348 unsigned int y = std::tr1::get<2>(GetParam()); | |
| 1349 unsigned int dst_x = std::tr1::get<3>(GetParam()); | |
| 1350 unsigned int dst_y = std::tr1::get<4>(GetParam()); | |
| 1351 | |
| 1352 const SkColorType kColorTypes[] = { | |
| 1353 kAlpha_8_SkColorType, kRGBA_8888_SkColorType, kBGRA_8888_SkColorType}; | |
| 1354 for (size_t color_type = 0; color_type < arraysize(kColorTypes); | |
| 1355 color_type++) { | |
| 1356 for (int pattern = 0; pattern < 3; pattern++) { | |
| 1357 TestCropScaleReadbackAndCleanTexture( | |
| 1358 kRGBReadBackSizes[x], kRGBReadBackSizes[y], kRGBReadBackSizes[dst_x], | |
| 1359 kRGBReadBackSizes[dst_y], pattern, kColorTypes[color_type], false, | |
| 1360 q_index); | |
| 1361 if (HasFailure()) | |
| 1362 return; | |
| 1363 } | |
| 1364 } | |
| 1365 } | |
| 1366 | |
| 1367 INSTANTIATE_TEST_CASE_P( | |
| 1368 , | |
| 1369 GLHelperPixelReadbackTest, | |
| 1370 ::testing::Combine( | |
| 1371 ::testing::Range<unsigned int>(0, arraysize(kQualities)), | |
| 1372 ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)), | |
| 1373 ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)), | |
| 1374 ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)), | |
| 1375 ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)))); | |
| 1376 | |
| 1377 // Validate that all scaling generates valid pipelines. | |
| 1378 TEST_F(GLHelperTest, ValidateScalerPipelines) { | |
| 1379 int sizes[] = {7, 99, 128, 256, 512, 719, 720, 721, 1920, 2011, 3217, 4096}; | |
| 1380 for (size_t q = 0; q < arraysize(kQualities); q++) { | |
| 1381 for (size_t x = 0; x < arraysize(sizes); x++) { | |
| 1382 for (size_t y = 0; y < arraysize(sizes); y++) { | |
| 1383 for (size_t dst_x = 0; dst_x < arraysize(sizes); dst_x++) { | |
| 1384 for (size_t dst_y = 0; dst_y < arraysize(sizes); dst_y++) { | |
| 1385 TestScalerPipeline(q, sizes[x], sizes[y], sizes[dst_x], | |
| 1386 sizes[dst_y]); | |
| 1387 if (HasFailure()) { | |
| 1388 return; | |
| 1389 } | |
| 1390 } | |
| 1391 } | |
| 1392 } | |
| 1393 } | |
| 1394 } | |
| 1395 } | |
| 1396 | |
| 1397 // Make sure we don't create overly complicated pipelines | |
| 1398 // for a few common use cases. | |
| 1399 TEST_F(GLHelperTest, CheckSpecificPipelines) { | |
| 1400 // Upscale should be single pass. | |
| 1401 CheckPipeline(display_compositor::GLHelper::SCALER_QUALITY_GOOD, 1024, 700, | |
| 1402 1280, 720, "1024x700 -> 1280x720 bilinear\n"); | |
| 1403 // Slight downscale should use BILINEAR2X2. | |
| 1404 CheckPipeline(display_compositor::GLHelper::SCALER_QUALITY_GOOD, 1280, 720, | |
| 1405 1024, 700, "1280x720 -> 1024x700 bilinear2x2\n"); | |
| 1406 // Most common tab capture pipeline on the Pixel. | |
| 1407 // Should be using two BILINEAR3 passes. | |
| 1408 CheckPipeline(display_compositor::GLHelper::SCALER_QUALITY_GOOD, 2560, 1476, | |
| 1409 1249, 720, | |
| 1410 "2560x1476 -> 2560x720 bilinear3 Y\n" | |
| 1411 "2560x720 -> 1249x720 bilinear3 X\n"); | |
| 1412 } | |
| 1413 | |
| 1414 TEST_F(GLHelperTest, ScalerOpTest) { | |
| 1415 for (int allow3 = 0; allow3 <= 1; allow3++) { | |
| 1416 for (int dst = 1; dst < 2049; dst += 1 + (dst >> 3)) { | |
| 1417 for (int src = 1; src < 2049; src++) { | |
| 1418 TestAddOps(src, dst, allow3 == 1, (src & 1) == 1); | |
| 1419 if (HasFailure()) { | |
| 1420 LOG(ERROR) << "Failed for src=" << src << " dst=" << dst | |
| 1421 << " allow3=" << allow3; | |
| 1422 return; | |
| 1423 } | |
| 1424 } | |
| 1425 } | |
| 1426 } | |
| 1427 } | |
| 1428 | |
| 1429 TEST_F(GLHelperTest, CheckOptimizations) { | |
| 1430 // Test in baseclass since it is friends with GLHelperScaling | |
| 1431 CheckOptimizationsTest(); | |
| 1432 } | |
| 1433 | |
| 1434 } // namespace display_compositor | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2873243002:
Move components/display_compositor to components/viz/display_compositor (Closed)
