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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/time/time.h" | |
| 31 #include "base/trace_event/trace_event.h" | |
| 32 #include "components/display_compositor/gl_helper.h" | |
| 33 #include "components/display_compositor/gl_helper_readback_support.h" | |
| 34 #include "components/display_compositor/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 "testing/gtest/include/gtest/gtest.h" | |
| 38 #include "third_party/skia/include/core/SkBitmap.h" | |
| 39 #include "third_party/skia/include/core/SkTypes.h" | |
| 40 #include "ui/gl/gl_implementation.h" | |
| 41 | |
| 42 namespace display_compositor { | |
| 43 | |
| 44 display_compositor::GLHelper::ScalerQuality kQualities[] = { | |
| 45 display_compositor::GLHelper::SCALER_QUALITY_BEST, | |
| 46 display_compositor::GLHelper::SCALER_QUALITY_GOOD, | |
| 47 display_compositor::GLHelper::SCALER_QUALITY_FAST, | |
| 48 }; | |
| 49 | |
| 50 const char* kQualityNames[] = { | |
| 51 "best", "good", "fast", | |
| 52 }; | |
| 53 | |
| 54 class GLHelperTest : public testing::Test { | |
| 55 protected: | |
| 56 void SetUp() override { | |
| 57 gpu::gles2::ContextCreationAttribHelper attributes; | |
| 58 attributes.alpha_size = 8; | |
| 59 attributes.depth_size = 24; | |
| 60 attributes.red_size = 8; | |
| 61 attributes.green_size = 8; | |
| 62 attributes.blue_size = 8; | |
| 63 attributes.stencil_size = 8; | |
| 64 attributes.samples = 4; | |
| 65 attributes.sample_buffers = 1; | |
| 66 attributes.bind_generates_resource = false; | |
| 67 | |
| 68 context_.reset(gpu::GLInProcessContext::Create( | |
| 69 nullptr, /* service */ | |
| 70 nullptr, /* surface */ | |
| 71 true, /* offscreen */ | |
| 72 gfx::kNullAcceleratedWidget, /* window */ | |
| 73 gfx::Size(1, 1), /* size */ | |
| 74 nullptr, /* share_context */ | |
| 75 attributes, gfx::PreferDiscreteGpu, | |
| 76 ::gpu::GLInProcessContextSharedMemoryLimits(), | |
| 77 nullptr, /* gpu_memory_buffer_manager */ | |
| 78 nullptr /* image_factory */)); | |
| 79 gl_ = context_->GetImplementation(); | |
| 80 gpu::ContextSupport* support = context_->GetImplementation(); | |
| 81 | |
| 82 helper_.reset(new display_compositor::GLHelper(gl_, support)); | |
| 83 helper_scaling_.reset( | |
| 84 new display_compositor::GLHelperScaling(gl_, helper_.get())); | |
| 85 } | |
| 86 | |
| 87 void TearDown() override { | |
| 88 helper_scaling_.reset(nullptr); | |
| 89 helper_.reset(nullptr); | |
| 90 context_.reset(nullptr); | |
| 91 } | |
| 92 | |
| 93 // Bicubic filter kernel function. | |
| 94 static float Bicubic(float x) { | |
| 95 const float a = -0.5; | |
| 96 x = std::abs(x); | |
| 97 float x2 = x * x; | |
| 98 float x3 = x2 * x; | |
| 99 if (x <= 1) { | |
| 100 return (a + 2) * x3 - (a + 3) * x2 + 1; | |
| 101 } else if (x < 2) { | |
| 102 return a * x3 - 5 * a * x2 + 8 * a * x - 4 * a; | |
| 103 } else { | |
| 104 return 0.0f; | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 // Look up a single channel value. Works for 4-channel and single channel | |
| 109 // bitmaps. Clamp x/y. | |
| 110 int Channel(SkBitmap* pixels, int x, int y, int c) { | |
| 111 if (pixels->bytesPerPixel() == 4) { | |
| 112 uint32_t* data = | |
| 113 pixels->getAddr32(std::max(0, std::min(x, pixels->width() - 1)), | |
| 114 std::max(0, std::min(y, pixels->height() - 1))); | |
| 115 return (*data) >> (c * 8) & 0xff; | |
| 116 } else { | |
| 117 DCHECK_EQ(pixels->bytesPerPixel(), 1); | |
| 118 DCHECK_EQ(c, 0); | |
| 119 return *pixels->getAddr8(std::max(0, std::min(x, pixels->width() - 1)), | |
| 120 std::max(0, std::min(y, pixels->height() - 1))); | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 // Set a single channel value. Works for 4-channel and single channel | |
| 125 // bitmaps. Clamp x/y. | |
| 126 void SetChannel(SkBitmap* pixels, int x, int y, int c, int v) { | |
| 127 DCHECK_GE(x, 0); | |
| 128 DCHECK_GE(y, 0); | |
| 129 DCHECK_LT(x, pixels->width()); | |
| 130 DCHECK_LT(y, pixels->height()); | |
| 131 if (pixels->bytesPerPixel() == 4) { | |
| 132 uint32_t* data = pixels->getAddr32(x, y); | |
| 133 v = std::max(0, std::min(v, 255)); | |
| 134 *data = (*data & ~(0xffu << (c * 8))) | (v << (c * 8)); | |
| 135 } else { | |
| 136 DCHECK_EQ(pixels->bytesPerPixel(), 1); | |
| 137 DCHECK_EQ(c, 0); | |
| 138 uint8_t* data = pixels->getAddr8(x, y); | |
| 139 v = std::max(0, std::min(v, 255)); | |
| 140 *data = v; | |
| 141 } | |
| 142 } | |
| 143 | |
| 144 // Print all the R, G, B or A values from an SkBitmap in a | |
| 145 // human-readable format. | |
| 146 void PrintChannel(SkBitmap* pixels, int c) { | |
| 147 for (int y = 0; y < pixels->height(); y++) { | |
| 148 std::string formatted; | |
| 149 for (int x = 0; x < pixels->width(); x++) { | |
| 150 formatted.append(base::StringPrintf("%3d, ", Channel(pixels, x, y, c))); | |
| 151 } | |
| 152 LOG(ERROR) << formatted; | |
| 153 } | |
| 154 } | |
| 155 | |
| 156 // Print out the individual steps of a scaler pipeline. | |
| 157 std::string PrintStages( | |
| 158 const std::vector<GLHelperScaling::ScalerStage>& scaler_stages) { | |
| 159 std::string ret; | |
| 160 for (size_t i = 0; i < scaler_stages.size(); i++) { | |
| 161 ret.append(base::StringPrintf( | |
| 162 "%dx%d -> %dx%d ", scaler_stages[i].src_size.width(), | |
| 163 scaler_stages[i].src_size.height(), scaler_stages[i].dst_size.width(), | |
| 164 scaler_stages[i].dst_size.height())); | |
| 165 bool xy_matters = false; | |
| 166 switch (scaler_stages[i].shader) { | |
| 167 case GLHelperScaling::SHADER_BILINEAR: | |
| 168 ret.append("bilinear"); | |
| 169 break; | |
| 170 case GLHelperScaling::SHADER_BILINEAR2: | |
| 171 ret.append("bilinear2"); | |
| 172 xy_matters = true; | |
| 173 break; | |
| 174 case GLHelperScaling::SHADER_BILINEAR3: | |
| 175 ret.append("bilinear3"); | |
| 176 xy_matters = true; | |
| 177 break; | |
| 178 case GLHelperScaling::SHADER_BILINEAR4: | |
| 179 ret.append("bilinear4"); | |
| 180 xy_matters = true; | |
| 181 break; | |
| 182 case GLHelperScaling::SHADER_BILINEAR2X2: | |
| 183 ret.append("bilinear2x2"); | |
| 184 break; | |
| 185 case GLHelperScaling::SHADER_BICUBIC_UPSCALE: | |
| 186 ret.append("bicubic upscale"); | |
| 187 xy_matters = true; | |
| 188 break; | |
| 189 case GLHelperScaling::SHADER_BICUBIC_HALF_1D: | |
| 190 ret.append("bicubic 1/2"); | |
| 191 xy_matters = true; | |
| 192 break; | |
| 193 case GLHelperScaling::SHADER_PLANAR: | |
| 194 ret.append("planar"); | |
| 195 break; | |
| 196 case GLHelperScaling::SHADER_YUV_MRT_PASS1: | |
| 197 ret.append("rgb2yuv pass 1"); | |
| 198 break; | |
| 199 case GLHelperScaling::SHADER_YUV_MRT_PASS2: | |
| 200 ret.append("rgb2yuv pass 2"); | |
| 201 break; | |
| 202 } | |
| 203 | |
| 204 if (xy_matters) { | |
| 205 if (scaler_stages[i].scale_x) { | |
| 206 ret.append(" X"); | |
| 207 } else { | |
| 208 ret.append(" Y"); | |
| 209 } | |
| 210 } | |
| 211 ret.append("\n"); | |
| 212 } | |
| 213 return ret; | |
| 214 } | |
| 215 | |
| 216 bool CheckScale(double scale, int samples, bool already_scaled) { | |
| 217 // 1:1 is valid if there is one sample. | |
| 218 if (samples == 1 && scale == 1.0) { | |
| 219 return true; | |
| 220 } | |
| 221 // Is it an exact down-scale (50%, 25%, etc.?) | |
| 222 if (scale == 2.0 * samples) { | |
| 223 return true; | |
| 224 } | |
| 225 // Upscales, only valid if we haven't already scaled in this dimension. | |
| 226 if (!already_scaled) { | |
| 227 // Is it a valid bilinear upscale? | |
| 228 if (samples == 1 && scale <= 1.0) { | |
| 229 return true; | |
| 230 } | |
| 231 // Multi-sample upscale-downscale combination? | |
| 232 if (scale > samples / 2.0 && scale < samples) { | |
| 233 return true; | |
| 234 } | |
| 235 } | |
| 236 return false; | |
| 237 } | |
| 238 | |
| 239 // Make sure that the stages of the scaler pipeline are sane. | |
| 240 void ValidateScalerStages( | |
| 241 display_compositor::GLHelper::ScalerQuality quality, | |
| 242 const std::vector<GLHelperScaling::ScalerStage>& scaler_stages, | |
| 243 const gfx::Size& dst_size, | |
| 244 const std::string& message) { | |
| 245 bool previous_error = HasFailure(); | |
| 246 // First, check that the input size for each stage is equal to | |
| 247 // the output size of the previous stage. | |
| 248 for (size_t i = 1; i < scaler_stages.size(); i++) { | |
| 249 EXPECT_EQ(scaler_stages[i - 1].dst_size.width(), | |
| 250 scaler_stages[i].src_size.width()); | |
| 251 EXPECT_EQ(scaler_stages[i - 1].dst_size.height(), | |
| 252 scaler_stages[i].src_size.height()); | |
| 253 EXPECT_EQ(scaler_stages[i].src_subrect.x(), 0); | |
| 254 EXPECT_EQ(scaler_stages[i].src_subrect.y(), 0); | |
| 255 EXPECT_EQ(scaler_stages[i].src_subrect.width(), | |
| 256 scaler_stages[i].src_size.width()); | |
| 257 EXPECT_EQ(scaler_stages[i].src_subrect.height(), | |
| 258 scaler_stages[i].src_size.height()); | |
| 259 } | |
| 260 | |
| 261 // Check the output size matches the destination of the last stage | |
| 262 EXPECT_EQ(scaler_stages[scaler_stages.size() - 1].dst_size.width(), | |
| 263 dst_size.width()); | |
| 264 EXPECT_EQ(scaler_stages[scaler_stages.size() - 1].dst_size.height(), | |
| 265 dst_size.height()); | |
| 266 | |
| 267 // Used to verify that up-scales are not attempted after some | |
| 268 // other scale. | |
| 269 bool scaled_x = false; | |
| 270 bool scaled_y = false; | |
| 271 | |
| 272 for (size_t i = 0; i < scaler_stages.size(); i++) { | |
| 273 // Note: 2.0 means scaling down by 50% | |
| 274 double x_scale = | |
| 275 static_cast<double>(scaler_stages[i].src_subrect.width()) / | |
| 276 static_cast<double>(scaler_stages[i].dst_size.width()); | |
| 277 double y_scale = | |
| 278 static_cast<double>(scaler_stages[i].src_subrect.height()) / | |
| 279 static_cast<double>(scaler_stages[i].dst_size.height()); | |
| 280 | |
| 281 int x_samples = 0; | |
| 282 int y_samples = 0; | |
| 283 | |
| 284 // Codify valid scale operations. | |
| 285 switch (scaler_stages[i].shader) { | |
| 286 case GLHelperScaling::SHADER_PLANAR: | |
| 287 case GLHelperScaling::SHADER_YUV_MRT_PASS1: | |
| 288 case GLHelperScaling::SHADER_YUV_MRT_PASS2: | |
| 289 EXPECT_TRUE(false) << "Invalid shader."; | |
| 290 break; | |
| 291 | |
| 292 case GLHelperScaling::SHADER_BILINEAR: | |
| 293 if (quality != display_compositor::GLHelper::SCALER_QUALITY_FAST) { | |
| 294 x_samples = 1; | |
| 295 y_samples = 1; | |
| 296 } | |
| 297 break; | |
| 298 case GLHelperScaling::SHADER_BILINEAR2: | |
| 299 x_samples = 2; | |
| 300 y_samples = 1; | |
| 301 break; | |
| 302 case GLHelperScaling::SHADER_BILINEAR3: | |
| 303 x_samples = 3; | |
| 304 y_samples = 1; | |
| 305 break; | |
| 306 case GLHelperScaling::SHADER_BILINEAR4: | |
| 307 x_samples = 4; | |
| 308 y_samples = 1; | |
| 309 break; | |
| 310 case GLHelperScaling::SHADER_BILINEAR2X2: | |
| 311 x_samples = 2; | |
| 312 y_samples = 2; | |
| 313 break; | |
| 314 case GLHelperScaling::SHADER_BICUBIC_UPSCALE: | |
| 315 if (scaler_stages[i].scale_x) { | |
| 316 EXPECT_LT(x_scale, 1.0); | |
| 317 EXPECT_EQ(y_scale, 1.0); | |
| 318 } else { | |
| 319 EXPECT_EQ(x_scale, 1.0); | |
| 320 EXPECT_LT(y_scale, 1.0); | |
| 321 } | |
| 322 break; | |
| 323 case GLHelperScaling::SHADER_BICUBIC_HALF_1D: | |
| 324 if (scaler_stages[i].scale_x) { | |
| 325 EXPECT_EQ(x_scale, 2.0); | |
| 326 EXPECT_EQ(y_scale, 1.0); | |
| 327 } else { | |
| 328 EXPECT_EQ(x_scale, 1.0); | |
| 329 EXPECT_EQ(y_scale, 2.0); | |
| 330 } | |
| 331 break; | |
| 332 } | |
| 333 | |
| 334 if (!scaler_stages[i].scale_x) { | |
| 335 std::swap(x_samples, y_samples); | |
| 336 } | |
| 337 | |
| 338 if (x_samples) { | |
| 339 EXPECT_TRUE(CheckScale(x_scale, x_samples, scaled_x)) << "x_scale = " | |
| 340 << x_scale; | |
| 341 } | |
| 342 if (y_samples) { | |
| 343 EXPECT_TRUE(CheckScale(y_scale, y_samples, scaled_y)) << "y_scale = " | |
| 344 << y_scale; | |
| 345 } | |
| 346 | |
| 347 if (x_scale != 1.0) { | |
| 348 scaled_x = true; | |
| 349 } | |
| 350 if (y_scale != 1.0) { | |
| 351 scaled_y = true; | |
| 352 } | |
| 353 } | |
| 354 | |
| 355 if (HasFailure() && !previous_error) { | |
| 356 LOG(ERROR) << "Invalid scaler stages: " << message; | |
| 357 LOG(ERROR) << "Scaler stages:"; | |
| 358 LOG(ERROR) << PrintStages(scaler_stages); | |
| 359 } | |
| 360 } | |
| 361 | |
| 362 // Compares two bitmaps taking color types into account. Checks whether each | |
| 363 // component of each pixel is no more than |maxdiff| apart. If bitmaps are not | |
| 364 // similar enough, prints out |truth|, |other|, |source|, |scaler_stages| | |
| 365 // and |message|. | |
| 366 void Compare(SkBitmap* truth, | |
| 367 SkBitmap* other, | |
| 368 int maxdiff, | |
| 369 SkBitmap* source, | |
| 370 const std::vector<GLHelperScaling::ScalerStage>& scaler_stages, | |
| 371 std::string message) { | |
| 372 EXPECT_EQ(truth->width(), other->width()); | |
| 373 EXPECT_EQ(truth->height(), other->height()); | |
| 374 bool swizzle = (truth->colorType() == kRGBA_8888_SkColorType && | |
| 375 other->colorType() == kBGRA_8888_SkColorType) || | |
| 376 (truth->colorType() == kBGRA_8888_SkColorType && | |
| 377 other->colorType() == kRGBA_8888_SkColorType); | |
| 378 EXPECT_TRUE(swizzle || truth->colorType() == other->colorType()); | |
| 379 int bpp = truth->bytesPerPixel(); | |
| 380 for (int x = 0; x < truth->width(); x++) { | |
| 381 for (int y = 0; y < truth->height(); y++) { | |
| 382 for (int c = 0; c < bpp; c++) { | |
| 383 int a = Channel(truth, x, y, c); | |
| 384 // swizzle when comparing if needed | |
| 385 int b = swizzle && (c == 0 || c == 2) | |
| 386 ? Channel(other, x, y, (c + 2) & 2) | |
| 387 : Channel(other, x, y, c); | |
| 388 EXPECT_NEAR(a, b, maxdiff) << " x=" << x << " y=" << y << " c=" << c | |
| 389 << " " << message; | |
| 390 if (std::abs(a - b) > maxdiff) { | |
| 391 LOG(ERROR) << "-------expected--------"; | |
| 392 for (int i = 0; i < bpp; i++) { | |
| 393 LOG(ERROR) << "Channel " << i << ":"; | |
| 394 PrintChannel(truth, i); | |
| 395 } | |
| 396 LOG(ERROR) << "-------actual--------"; | |
| 397 for (int i = 0; i < bpp; i++) { | |
| 398 LOG(ERROR) << "Channel " << i << ":"; | |
| 399 PrintChannel(other, i); | |
| 400 } | |
| 401 if (source) { | |
| 402 LOG(ERROR) << "-------original--------"; | |
| 403 for (int i = 0; i < source->bytesPerPixel(); i++) { | |
| 404 LOG(ERROR) << "Channel " << i << ":"; | |
| 405 PrintChannel(source, i); | |
| 406 } | |
| 407 } | |
| 408 LOG(ERROR) << "-----Scaler stages------"; | |
| 409 LOG(ERROR) << PrintStages(scaler_stages); | |
| 410 return; | |
| 411 } | |
| 412 } | |
| 413 } | |
| 414 } | |
| 415 } | |
| 416 | |
| 417 // Get a single R, G, B or A value as a float. | |
| 418 float ChannelAsFloat(SkBitmap* pixels, int x, int y, int c) { | |
| 419 return Channel(pixels, x, y, c) / 255.0; | |
| 420 } | |
| 421 | |
| 422 // Works like a GL_LINEAR lookup on an SkBitmap. | |
| 423 float Bilinear(SkBitmap* pixels, float x, float y, int c) { | |
| 424 x -= 0.5; | |
| 425 y -= 0.5; | |
| 426 int base_x = static_cast<int>(floorf(x)); | |
| 427 int base_y = static_cast<int>(floorf(y)); | |
| 428 x -= base_x; | |
| 429 y -= base_y; | |
| 430 return (ChannelAsFloat(pixels, base_x, base_y, c) * (1 - x) * (1 - y) + | |
| 431 ChannelAsFloat(pixels, base_x + 1, base_y, c) * x * (1 - y) + | |
| 432 ChannelAsFloat(pixels, base_x, base_y + 1, c) * (1 - x) * y + | |
| 433 ChannelAsFloat(pixels, base_x + 1, base_y + 1, c) * x * y); | |
| 434 } | |
| 435 | |
| 436 // Encodes an RGBA bitmap to grayscale. | |
| 437 // Reference implementation for | |
| 438 // GLHelper::CopyToTextureImpl::EncodeTextureAsGrayscale. | |
| 439 void EncodeToGrayscaleSlow(SkBitmap* input, SkBitmap* output) { | |
| 440 const float kRGBtoGrayscaleColorWeights[3] = {0.213f, 0.715f, 0.072f}; | |
| 441 CHECK_EQ(kAlpha_8_SkColorType, output->colorType()); | |
| 442 CHECK_EQ(input->width(), output->width()); | |
| 443 CHECK_EQ(input->height(), output->height()); | |
| 444 CHECK_EQ(input->colorType(), kRGBA_8888_SkColorType); | |
| 445 | |
| 446 for (int dst_y = 0; dst_y < output->height(); dst_y++) { | |
| 447 for (int dst_x = 0; dst_x < output->width(); dst_x++) { | |
| 448 float c0 = ChannelAsFloat(input, dst_x, dst_y, 0); | |
| 449 float c1 = ChannelAsFloat(input, dst_x, dst_y, 1); | |
| 450 float c2 = ChannelAsFloat(input, dst_x, dst_y, 2); | |
| 451 float value = c0 * kRGBtoGrayscaleColorWeights[0] + | |
| 452 c1 * kRGBtoGrayscaleColorWeights[1] + | |
| 453 c2 * kRGBtoGrayscaleColorWeights[2]; | |
| 454 SetChannel(output, dst_x, dst_y, 0, | |
| 455 static_cast<int>(value * 255.0f + 0.5f)); | |
| 456 } | |
| 457 } | |
| 458 } | |
| 459 | |
| 460 // Very slow bicubic / bilinear scaler for reference. | |
| 461 void ScaleSlow(SkBitmap* input, | |
| 462 SkBitmap* output, | |
| 463 display_compositor::GLHelper::ScalerQuality quality) { | |
| 464 float xscale = static_cast<float>(input->width()) / output->width(); | |
| 465 float yscale = static_cast<float>(input->height()) / output->height(); | |
| 466 float clamped_xscale = xscale < 1.0 ? 1.0 : 1.0 / xscale; | |
| 467 float clamped_yscale = yscale < 1.0 ? 1.0 : 1.0 / yscale; | |
| 468 for (int dst_y = 0; dst_y < output->height(); dst_y++) { | |
| 469 for (int dst_x = 0; dst_x < output->width(); dst_x++) { | |
| 470 for (int channel = 0; channel < 4; channel++) { | |
| 471 float dst_x_in_src = (dst_x + 0.5f) * xscale; | |
| 472 float dst_y_in_src = (dst_y + 0.5f) * yscale; | |
| 473 | |
| 474 float value = 0.0f; | |
| 475 float sum = 0.0f; | |
| 476 switch (quality) { | |
| 477 case display_compositor::GLHelper::SCALER_QUALITY_BEST: | |
| 478 for (int src_y = -10; src_y < input->height() + 10; ++src_y) { | |
| 479 float coeff_y = | |
| 480 Bicubic((src_y + 0.5f - dst_y_in_src) * clamped_yscale); | |
| 481 if (coeff_y == 0.0f) { | |
| 482 continue; | |
| 483 } | |
| 484 for (int src_x = -10; src_x < input->width() + 10; ++src_x) { | |
| 485 float coeff = | |
| 486 coeff_y * | |
| 487 Bicubic((src_x + 0.5f - dst_x_in_src) * clamped_xscale); | |
| 488 if (coeff == 0.0f) { | |
| 489 continue; | |
| 490 } | |
| 491 sum += coeff; | |
| 492 float c = ChannelAsFloat(input, src_x, src_y, channel); | |
| 493 value += c * coeff; | |
| 494 } | |
| 495 } | |
| 496 break; | |
| 497 | |
| 498 case display_compositor::GLHelper::SCALER_QUALITY_GOOD: { | |
| 499 int xshift = 0, yshift = 0; | |
| 500 while ((output->width() << xshift) < input->width()) { | |
| 501 xshift++; | |
| 502 } | |
| 503 while ((output->height() << yshift) < input->height()) { | |
| 504 yshift++; | |
| 505 } | |
| 506 int xmag = 1 << xshift; | |
| 507 int ymag = 1 << yshift; | |
| 508 if (xmag == 4 && output->width() * 3 >= input->width()) { | |
| 509 xmag = 3; | |
| 510 } | |
| 511 if (ymag == 4 && output->height() * 3 >= input->height()) { | |
| 512 ymag = 3; | |
| 513 } | |
| 514 for (int x = 0; x < xmag; x++) { | |
| 515 for (int y = 0; y < ymag; y++) { | |
| 516 value += Bilinear( | |
| 517 input, (dst_x * xmag + x + 0.5) * xscale / xmag, | |
| 518 (dst_y * ymag + y + 0.5) * yscale / ymag, channel); | |
| 519 sum += 1.0; | |
| 520 } | |
| 521 } | |
| 522 break; | |
| 523 } | |
| 524 | |
| 525 case display_compositor::GLHelper::SCALER_QUALITY_FAST: | |
| 526 value = Bilinear(input, dst_x_in_src, dst_y_in_src, channel); | |
| 527 sum = 1.0; | |
| 528 } | |
| 529 value /= sum; | |
| 530 SetChannel(output, dst_x, dst_y, channel, | |
| 531 static_cast<int>(value * 255.0f + 0.5f)); | |
| 532 } | |
| 533 } | |
| 534 } | |
| 535 } | |
| 536 | |
| 537 void FlipSKBitmap(SkBitmap* bitmap) { | |
| 538 int bpp = bitmap->bytesPerPixel(); | |
| 539 DCHECK(bpp == 4 || bpp == 1); | |
| 540 int top_line = 0; | |
| 541 int bottom_line = bitmap->height() - 1; | |
| 542 while (top_line < bottom_line) { | |
| 543 for (int x = 0; x < bitmap->width(); x++) { | |
| 544 bpp == 4 ? std::swap(*bitmap->getAddr32(x, top_line), | |
| 545 *bitmap->getAddr32(x, bottom_line)) | |
| 546 : std::swap(*bitmap->getAddr8(x, top_line), | |
| 547 *bitmap->getAddr8(x, bottom_line)); | |
| 548 } | |
| 549 top_line++; | |
| 550 bottom_line--; | |
| 551 } | |
| 552 } | |
| 553 | |
| 554 // Swaps red and blue channels in each pixel in a 32-bit bitmap. | |
| 555 void SwizzleSKBitmap(SkBitmap* bitmap) { | |
| 556 int bpp = bitmap->bytesPerPixel(); | |
| 557 DCHECK(bpp == 4); | |
| 558 for (int y = 0; y < bitmap->height(); y++) { | |
| 559 for (int x = 0; x < bitmap->width(); x++) { | |
| 560 // Swap channels 0 and 2 (red and blue) | |
| 561 int c0 = Channel(bitmap, x, y, 0); | |
| 562 int c2 = Channel(bitmap, x, y, 2); | |
| 563 SetChannel(bitmap, x, y, 2, c0); | |
| 564 SetChannel(bitmap, x, y, 0, c2); | |
| 565 } | |
| 566 } | |
| 567 } | |
| 568 | |
| 569 // gl_helper scales recursively, so we'll need to do that | |
| 570 // in the reference implementation too. | |
| 571 void ScaleSlowRecursive(SkBitmap* input, | |
| 572 SkBitmap* output, | |
| 573 display_compositor::GLHelper::ScalerQuality quality) { | |
| 574 if (quality == display_compositor::GLHelper::SCALER_QUALITY_FAST || | |
| 575 quality == display_compositor::GLHelper::SCALER_QUALITY_GOOD) { | |
| 576 ScaleSlow(input, output, quality); | |
| 577 return; | |
| 578 } | |
| 579 | |
| 580 float xscale = static_cast<float>(output->width()) / input->width(); | |
| 581 | |
| 582 // This corresponds to all the operations we can do directly. | |
| 583 float yscale = static_cast<float>(output->height()) / input->height(); | |
| 584 if ((xscale == 1.0f && yscale == 1.0f) || | |
| 585 (xscale == 0.5f && yscale == 1.0f) || | |
| 586 (xscale == 1.0f && yscale == 0.5f) || | |
| 587 (xscale >= 1.0f && yscale == 1.0f) || | |
| 588 (xscale == 1.0f && yscale >= 1.0f)) { | |
| 589 ScaleSlow(input, output, quality); | |
| 590 return; | |
| 591 } | |
| 592 | |
| 593 // Now we break the problem down into smaller pieces, using the | |
| 594 // operations available. | |
| 595 int xtmp = input->width(); | |
| 596 int ytmp = input->height(); | |
| 597 | |
| 598 if (output->height() != input->height()) { | |
| 599 ytmp = output->height(); | |
| 600 while (ytmp < input->height() && ytmp * 2 != input->height()) { | |
| 601 ytmp += ytmp; | |
| 602 } | |
| 603 } else { | |
| 604 xtmp = output->width(); | |
| 605 while (xtmp < input->width() && xtmp * 2 != input->width()) { | |
| 606 xtmp += xtmp; | |
| 607 } | |
| 608 } | |
| 609 | |
| 610 SkBitmap tmp; | |
| 611 tmp.allocN32Pixels(xtmp, ytmp); | |
| 612 | |
| 613 ScaleSlowRecursive(input, &tmp, quality); | |
| 614 ScaleSlowRecursive(&tmp, output, quality); | |
| 615 } | |
| 616 | |
| 617 // Creates an RGBA SkBitmap | |
| 618 std::unique_ptr<SkBitmap> CreateTestBitmap(int width, | |
| 619 int height, | |
| 620 int test_pattern) { | |
| 621 std::unique_ptr<SkBitmap> bitmap(new SkBitmap); | |
| 622 bitmap->allocPixels(SkImageInfo::Make(width, height, kRGBA_8888_SkColorType, | |
| 623 kPremul_SkAlphaType)); | |
| 624 | |
| 625 for (int x = 0; x < width; ++x) { | |
| 626 for (int y = 0; y < height; ++y) { | |
| 627 switch (test_pattern) { | |
| 628 case 0: // Smooth test pattern | |
| 629 SetChannel(bitmap.get(), x, y, 0, x * 10); | |
| 630 SetChannel(bitmap.get(), x, y, 0, y == 0 ? x * 50 : x * 10); | |
| 631 SetChannel(bitmap.get(), x, y, 1, y * 10); | |
| 632 SetChannel(bitmap.get(), x, y, 2, (x + y) * 10); | |
| 633 SetChannel(bitmap.get(), x, y, 3, 255); | |
| 634 break; | |
| 635 case 1: // Small blocks | |
| 636 SetChannel(bitmap.get(), x, y, 0, x & 1 ? 255 : 0); | |
| 637 SetChannel(bitmap.get(), x, y, 1, y & 1 ? 255 : 0); | |
| 638 SetChannel(bitmap.get(), x, y, 2, (x + y) & 1 ? 255 : 0); | |
| 639 SetChannel(bitmap.get(), x, y, 3, 255); | |
| 640 break; | |
| 641 case 2: // Medium blocks | |
| 642 SetChannel(bitmap.get(), x, y, 0, 10 + x / 2 * 50); | |
| 643 SetChannel(bitmap.get(), x, y, 1, 10 + y / 3 * 50); | |
| 644 SetChannel(bitmap.get(), x, y, 2, (x + y) / 5 * 50 + 5); | |
| 645 SetChannel(bitmap.get(), x, y, 3, 255); | |
| 646 break; | |
| 647 } | |
| 648 } | |
| 649 } | |
| 650 return bitmap; | |
| 651 } | |
| 652 | |
| 653 // Binds texture and framebuffer and loads the bitmap pixels into the texture. | |
| 654 void BindTextureAndFrameBuffer(GLuint texture, | |
| 655 GLuint framebuffer, | |
| 656 SkBitmap* bitmap, | |
| 657 int width, | |
| 658 int height) { | |
| 659 gl_->BindFramebuffer(GL_FRAMEBUFFER, framebuffer); | |
| 660 gl_->BindTexture(GL_TEXTURE_2D, texture); | |
| 661 gl_->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, | |
| 662 GL_UNSIGNED_BYTE, bitmap->getPixels()); | |
| 663 } | |
| 664 | |
| 665 // Create a test image, transform it using | |
| 666 // GLHelper::CropScaleReadbackAndCleanTexture and a reference implementation | |
| 667 // and compare the results. | |
| 668 void TestCropScaleReadbackAndCleanTexture(int xsize, | |
| 669 int ysize, | |
| 670 int scaled_xsize, | |
| 671 int scaled_ysize, | |
| 672 int test_pattern, | |
| 673 SkColorType out_color_type, | |
| 674 bool swizzle, | |
| 675 size_t quality_index) { | |
| 676 DCHECK(out_color_type == kAlpha_8_SkColorType || | |
| 677 out_color_type == kRGBA_8888_SkColorType || | |
| 678 out_color_type == kBGRA_8888_SkColorType); | |
| 679 GLuint src_texture; | |
| 680 gl_->GenTextures(1, &src_texture); | |
| 681 GLuint framebuffer; | |
| 682 gl_->GenFramebuffers(1, &framebuffer); | |
| 683 std::unique_ptr<SkBitmap> input_pixels = | |
| 684 CreateTestBitmap(xsize, ysize, test_pattern); | |
| 685 BindTextureAndFrameBuffer(src_texture, framebuffer, input_pixels.get(), | |
| 686 xsize, ysize); | |
| 687 | |
| 688 std::string message = base::StringPrintf( | |
| 689 "input size: %dx%d " | |
| 690 "output size: %dx%d " | |
| 691 "pattern: %d , quality: %s, " | |
| 692 "out_color_type: %d", | |
| 693 xsize, ysize, scaled_xsize, scaled_ysize, test_pattern, | |
| 694 kQualityNames[quality_index], out_color_type); | |
| 695 | |
| 696 // Transform the bitmap using GLHelper::CropScaleReadbackAndCleanTexture. | |
| 697 SkBitmap output_pixels; | |
| 698 output_pixels.allocPixels(SkImageInfo::Make( | |
| 699 scaled_xsize, scaled_ysize, out_color_type, kPremul_SkAlphaType)); | |
| 700 base::RunLoop run_loop; | |
| 701 gfx::Size encoded_texture_size; | |
| 702 helper_->CropScaleReadbackAndCleanTexture( | |
| 703 src_texture, gfx::Size(xsize, ysize), gfx::Rect(xsize, ysize), | |
| 704 gfx::Size(scaled_xsize, scaled_ysize), | |
| 705 static_cast<unsigned char*>(output_pixels.getPixels()), out_color_type, | |
| 706 base::Bind(&callcallback, run_loop.QuitClosure()), | |
| 707 kQualities[quality_index]); | |
| 708 run_loop.Run(); | |
| 709 // CropScaleReadbackAndCleanTexture flips the pixels. Flip them back. | |
| 710 FlipSKBitmap(&output_pixels); | |
| 711 | |
| 712 // If the bitmap shouldn't have changed - compare against input. | |
| 713 if (xsize == scaled_xsize && ysize == scaled_ysize && | |
| 714 out_color_type != kAlpha_8_SkColorType) { | |
| 715 const std::vector<GLHelperScaling::ScalerStage> dummy_stages; | |
| 716 Compare(input_pixels.get(), &output_pixels, 0, nullptr, dummy_stages, | |
| 717 message + " comparing against input"); | |
| 718 return; | |
| 719 } | |
| 720 | |
| 721 // Now transform the bitmap using the reference implementation. | |
| 722 SkBitmap scaled_pixels; | |
| 723 scaled_pixels.allocPixels(SkImageInfo::Make(scaled_xsize, scaled_ysize, | |
| 724 kRGBA_8888_SkColorType, | |
| 725 kPremul_SkAlphaType)); | |
| 726 SkBitmap truth_pixels; | |
| 727 // Step 1: Scale | |
| 728 ScaleSlowRecursive(input_pixels.get(), &scaled_pixels, | |
| 729 kQualities[quality_index]); | |
| 730 // Step 2: Encode to grayscale if needed. | |
| 731 if (out_color_type == kAlpha_8_SkColorType) { | |
| 732 truth_pixels.allocPixels(SkImageInfo::Make( | |
| 733 scaled_xsize, scaled_ysize, out_color_type, kPremul_SkAlphaType)); | |
| 734 EncodeToGrayscaleSlow(&scaled_pixels, &truth_pixels); | |
| 735 } else { | |
| 736 truth_pixels = scaled_pixels; | |
| 737 } | |
| 738 | |
| 739 // Now compare the results. | |
| 740 SkAutoLockPixels lock_input(truth_pixels); | |
| 741 const std::vector<GLHelperScaling::ScalerStage> dummy_stages; | |
| 742 Compare(&truth_pixels, &output_pixels, 2, input_pixels.get(), dummy_stages, | |
| 743 message + " comparing against transformed/scaled"); | |
| 744 | |
| 745 gl_->DeleteTextures(1, &src_texture); | |
| 746 gl_->DeleteFramebuffers(1, &framebuffer); | |
| 747 } | |
| 748 | |
| 749 // Scaling test: Create a test image, scale it using GLHelperScaling | |
| 750 // and a reference implementation and compare the results. | |
| 751 void TestScale(int xsize, | |
| 752 int ysize, | |
| 753 int scaled_xsize, | |
| 754 int scaled_ysize, | |
| 755 int test_pattern, | |
| 756 size_t quality_index, | |
| 757 bool flip) { | |
| 758 GLuint src_texture; | |
| 759 gl_->GenTextures(1, &src_texture); | |
| 760 GLuint framebuffer; | |
| 761 gl_->GenFramebuffers(1, &framebuffer); | |
| 762 std::unique_ptr<SkBitmap> input_pixels = | |
| 763 CreateTestBitmap(xsize, ysize, test_pattern); | |
| 764 BindTextureAndFrameBuffer(src_texture, framebuffer, input_pixels.get(), | |
| 765 xsize, ysize); | |
| 766 | |
| 767 std::string message = base::StringPrintf( | |
| 768 "input size: %dx%d " | |
| 769 "output size: %dx%d " | |
| 770 "pattern: %d quality: %s", | |
| 771 xsize, ysize, scaled_xsize, scaled_ysize, test_pattern, | |
| 772 kQualityNames[quality_index]); | |
| 773 | |
| 774 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 775 helper_scaling_->ComputeScalerStages( | |
| 776 kQualities[quality_index], gfx::Size(xsize, ysize), | |
| 777 gfx::Rect(0, 0, xsize, ysize), gfx::Size(scaled_xsize, scaled_ysize), | |
| 778 flip, false, &stages); | |
| 779 ValidateScalerStages(kQualities[quality_index], stages, | |
| 780 gfx::Size(scaled_xsize, scaled_ysize), message); | |
| 781 | |
| 782 GLuint dst_texture = helper_->CopyAndScaleTexture( | |
| 783 src_texture, gfx::Size(xsize, ysize), | |
| 784 gfx::Size(scaled_xsize, scaled_ysize), flip, kQualities[quality_index]); | |
| 785 | |
| 786 SkBitmap output_pixels; | |
| 787 output_pixels.allocPixels(SkImageInfo::Make(scaled_xsize, scaled_ysize, | |
| 788 kRGBA_8888_SkColorType, | |
| 789 kPremul_SkAlphaType)); | |
| 790 | |
| 791 helper_->ReadbackTextureSync( | |
| 792 dst_texture, gfx::Rect(0, 0, scaled_xsize, scaled_ysize), | |
| 793 static_cast<unsigned char*>(output_pixels.getPixels()), | |
| 794 kRGBA_8888_SkColorType); | |
| 795 if (flip) { | |
| 796 // Flip the pixels back. | |
| 797 FlipSKBitmap(&output_pixels); | |
| 798 } | |
| 799 | |
| 800 // If the bitmap shouldn't have changed - compare against input. | |
| 801 if (xsize == scaled_xsize && ysize == scaled_ysize) { | |
| 802 Compare(input_pixels.get(), &output_pixels, 0, nullptr, stages, | |
| 803 message + " comparing against input"); | |
| 804 return; | |
| 805 } | |
| 806 | |
| 807 // Now scale the bitmap using the reference implementation. | |
| 808 SkBitmap truth_pixels; | |
| 809 truth_pixels.allocPixels(SkImageInfo::Make(scaled_xsize, scaled_ysize, | |
| 810 kRGBA_8888_SkColorType, | |
| 811 kPremul_SkAlphaType)); | |
| 812 ScaleSlowRecursive(input_pixels.get(), &truth_pixels, | |
| 813 kQualities[quality_index]); | |
| 814 Compare(&truth_pixels, &output_pixels, 2, input_pixels.get(), stages, | |
| 815 message + " comparing against scaled"); | |
| 816 | |
| 817 gl_->DeleteTextures(1, &src_texture); | |
| 818 gl_->DeleteTextures(1, &dst_texture); | |
| 819 gl_->DeleteFramebuffers(1, &framebuffer); | |
| 820 } | |
| 821 | |
| 822 // Create a scaling pipeline and check that it is made up of | |
| 823 // valid scaling operations. | |
| 824 void TestScalerPipeline(size_t quality, | |
| 825 int xsize, | |
| 826 int ysize, | |
| 827 int dst_xsize, | |
| 828 int dst_ysize) { | |
| 829 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 830 helper_scaling_->ComputeScalerStages( | |
| 831 kQualities[quality], gfx::Size(xsize, ysize), | |
| 832 gfx::Rect(0, 0, xsize, ysize), gfx::Size(dst_xsize, dst_ysize), false, | |
| 833 false, &stages); | |
| 834 ValidateScalerStages(kQualities[quality], stages, | |
| 835 gfx::Size(dst_xsize, dst_ysize), | |
| 836 base::StringPrintf("input size: %dx%d " | |
| 837 "output size: %dx%d " | |
| 838 "quality: %s", | |
| 839 xsize, ysize, dst_xsize, dst_ysize, | |
| 840 kQualityNames[quality])); | |
| 841 } | |
| 842 | |
| 843 // Create a scaling pipeline and make sure that the steps | |
| 844 // are exactly the steps we expect. | |
| 845 void CheckPipeline(display_compositor::GLHelper::ScalerQuality quality, | |
| 846 int xsize, | |
| 847 int ysize, | |
| 848 int dst_xsize, | |
| 849 int dst_ysize, | |
| 850 const std::string& description) { | |
| 851 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 852 helper_scaling_->ComputeScalerStages( | |
| 853 quality, gfx::Size(xsize, ysize), gfx::Rect(0, 0, xsize, ysize), | |
| 854 gfx::Size(dst_xsize, dst_ysize), false, false, &stages); | |
| 855 ValidateScalerStages(display_compositor::GLHelper::SCALER_QUALITY_GOOD, | |
| 856 stages, gfx::Size(dst_xsize, dst_ysize), ""); | |
| 857 EXPECT_EQ(PrintStages(stages), description); | |
| 858 } | |
| 859 | |
| 860 static void callcallback(const base::Callback<void()>& callback, | |
| 861 bool result) { | |
| 862 callback.Run(); | |
| 863 } | |
| 864 | |
| 865 void DrawGridToBitmap(int w, | |
| 866 int h, | |
| 867 SkColor background_color, | |
| 868 SkColor grid_color, | |
| 869 int grid_pitch, | |
| 870 int grid_width, | |
| 871 SkBitmap& bmp) { | |
| 872 ASSERT_GT(grid_pitch, 0); | |
| 873 ASSERT_GT(grid_width, 0); | |
| 874 ASSERT_NE(background_color, grid_color); | |
| 875 | |
| 876 for (int y = 0; y < h; ++y) { | |
| 877 bool y_on_grid = ((y % grid_pitch) < grid_width); | |
| 878 | |
| 879 for (int x = 0; x < w; ++x) { | |
| 880 bool on_grid = (y_on_grid || ((x % grid_pitch) < grid_width)); | |
| 881 | |
| 882 if (bmp.colorType() == kRGBA_8888_SkColorType || | |
| 883 bmp.colorType() == kBGRA_8888_SkColorType) { | |
| 884 *bmp.getAddr32(x, y) = (on_grid ? grid_color : background_color); | |
| 885 } else if (bmp.colorType() == kRGB_565_SkColorType) { | |
| 886 *bmp.getAddr16(x, y) = (on_grid ? grid_color : background_color); | |
| 887 } | |
| 888 } | |
| 889 } | |
| 890 } | |
| 891 | |
| 892 void DrawCheckerToBitmap(int w, | |
| 893 int h, | |
| 894 SkColor color1, | |
| 895 SkColor color2, | |
| 896 int rect_w, | |
| 897 int rect_h, | |
| 898 SkBitmap& bmp) { | |
| 899 ASSERT_GT(rect_w, 0); | |
| 900 ASSERT_GT(rect_h, 0); | |
| 901 ASSERT_NE(color1, color2); | |
| 902 | |
| 903 for (int y = 0; y < h; ++y) { | |
| 904 bool y_bit = (((y / rect_h) & 0x1) == 0); | |
| 905 | |
| 906 for (int x = 0; x < w; ++x) { | |
| 907 bool x_bit = (((x / rect_w) & 0x1) == 0); | |
| 908 | |
| 909 bool use_color2 = (x_bit != y_bit); // xor | |
| 910 if (bmp.colorType() == kRGBA_8888_SkColorType || | |
| 911 bmp.colorType() == kBGRA_8888_SkColorType) { | |
| 912 *bmp.getAddr32(x, y) = (use_color2 ? color2 : color1); | |
| 913 } else if (bmp.colorType() == kRGB_565_SkColorType) { | |
| 914 *bmp.getAddr16(x, y) = (use_color2 ? color2 : color1); | |
| 915 } | |
| 916 } | |
| 917 } | |
| 918 } | |
| 919 | |
| 920 bool ColorComponentsClose(SkColor component1, | |
| 921 SkColor component2, | |
| 922 SkColorType color_type) { | |
| 923 int c1 = static_cast<int>(component1); | |
| 924 int c2 = static_cast<int>(component2); | |
| 925 bool result = false; | |
| 926 switch (color_type) { | |
| 927 case kRGBA_8888_SkColorType: | |
| 928 case kBGRA_8888_SkColorType: | |
| 929 result = (std::abs(c1 - c2) == 0); | |
| 930 break; | |
| 931 case kRGB_565_SkColorType: | |
| 932 result = (std::abs(c1 - c2) <= 7); | |
| 933 break; | |
| 934 default: | |
| 935 break; | |
| 936 } | |
| 937 return result; | |
| 938 } | |
| 939 | |
| 940 bool ColorsClose(SkColor color1, SkColor color2, SkColorType color_type) { | |
| 941 bool red = ColorComponentsClose(SkColorGetR(color1), SkColorGetR(color2), | |
| 942 color_type); | |
| 943 bool green = ColorComponentsClose(SkColorGetG(color1), SkColorGetG(color2), | |
| 944 color_type); | |
| 945 bool blue = ColorComponentsClose(SkColorGetB(color1), SkColorGetB(color2), | |
| 946 color_type); | |
| 947 bool alpha = ColorComponentsClose(SkColorGetA(color1), SkColorGetA(color2), | |
| 948 color_type); | |
| 949 if (color_type == kRGB_565_SkColorType) { | |
| 950 return red && blue && green; | |
| 951 } | |
| 952 return red && blue && green && alpha; | |
| 953 } | |
| 954 | |
| 955 bool IsEqual(const SkBitmap& bmp1, const SkBitmap& bmp2) { | |
| 956 if (bmp1.isNull() && bmp2.isNull()) | |
| 957 return true; | |
| 958 if (bmp1.width() != bmp2.width() || bmp1.height() != bmp2.height()) { | |
| 959 LOG(ERROR) << "Bitmap geometry check failure"; | |
| 960 return false; | |
| 961 } | |
| 962 if (bmp1.colorType() != bmp2.colorType()) | |
| 963 return false; | |
| 964 | |
| 965 SkAutoLockPixels lock1(bmp1); | |
| 966 SkAutoLockPixels lock2(bmp2); | |
| 967 if (!bmp1.getPixels() || !bmp2.getPixels()) { | |
| 968 LOG(ERROR) << "Empty Bitmap!"; | |
| 969 return false; | |
| 970 } | |
| 971 for (int y = 0; y < bmp1.height(); ++y) { | |
| 972 for (int x = 0; x < bmp1.width(); ++x) { | |
| 973 if (!ColorsClose(bmp1.getColor(x, y), bmp2.getColor(x, y), | |
| 974 bmp1.colorType())) { | |
| 975 LOG(ERROR) << "Bitmap color comparision failure"; | |
| 976 return false; | |
| 977 } | |
| 978 } | |
| 979 } | |
| 980 return true; | |
| 981 } | |
| 982 | |
| 983 void BindAndAttachTextureWithPixels(GLuint src_texture, | |
| 984 SkColorType color_type, | |
| 985 const gfx::Size& src_size, | |
| 986 const SkBitmap& input_pixels) { | |
| 987 gl_->BindTexture(GL_TEXTURE_2D, src_texture); | |
| 988 GLenum format = 0; | |
| 989 switch (color_type) { | |
| 990 case kBGRA_8888_SkColorType: | |
| 991 format = GL_BGRA_EXT; | |
| 992 break; | |
| 993 case kRGBA_8888_SkColorType: | |
| 994 format = GL_RGBA; | |
| 995 break; | |
| 996 case kRGB_565_SkColorType: | |
| 997 format = GL_RGB; | |
| 998 break; | |
| 999 default: | |
| 1000 NOTREACHED(); | |
| 1001 } | |
| 1002 GLenum type = (color_type == kRGB_565_SkColorType) ? GL_UNSIGNED_SHORT_5_6_5 | |
| 1003 : GL_UNSIGNED_BYTE; | |
| 1004 gl_->TexImage2D(GL_TEXTURE_2D, 0, format, src_size.width(), | |
| 1005 src_size.height(), 0, format, type, | |
| 1006 input_pixels.getPixels()); | |
| 1007 } | |
| 1008 | |
| 1009 void ReadBackTexture(GLuint src_texture, | |
| 1010 const gfx::Size& src_size, | |
| 1011 unsigned char* pixels, | |
| 1012 SkColorType color_type, | |
| 1013 bool async) { | |
| 1014 if (async) { | |
| 1015 base::RunLoop run_loop; | |
| 1016 helper_->ReadbackTextureAsync( | |
| 1017 src_texture, src_size, pixels, color_type, | |
| 1018 base::Bind(&callcallback, run_loop.QuitClosure())); | |
| 1019 run_loop.Run(); | |
| 1020 } else { | |
| 1021 helper_->ReadbackTextureSync(src_texture, gfx::Rect(src_size), pixels, | |
| 1022 color_type); | |
| 1023 } | |
| 1024 } | |
| 1025 // Test basic format readback. | |
| 1026 bool TestTextureFormatReadback(const gfx::Size& src_size, | |
| 1027 SkColorType color_type, | |
| 1028 bool async) { | |
| 1029 SkImageInfo info = SkImageInfo::Make(src_size.width(), src_size.height(), | |
| 1030 color_type, kPremul_SkAlphaType); | |
| 1031 if (!helper_->IsReadbackConfigSupported(color_type)) { | |
| 1032 LOG(INFO) << "Skipping test format not supported" << color_type; | |
| 1033 return true; | |
| 1034 } | |
| 1035 GLuint src_texture; | |
| 1036 gl_->GenTextures(1, &src_texture); | |
| 1037 SkBitmap input_pixels; | |
| 1038 input_pixels.allocPixels(info); | |
| 1039 // Test Pattern-1, Fill with Plain color pattern. | |
| 1040 // Erase the input bitmap with red color. | |
| 1041 input_pixels.eraseColor(SK_ColorRED); | |
| 1042 BindAndAttachTextureWithPixels(src_texture, color_type, src_size, | |
| 1043 input_pixels); | |
| 1044 SkBitmap output_pixels; | |
| 1045 output_pixels.allocPixels(info); | |
| 1046 // Initialize the output bitmap with Green color. | |
| 1047 // When the readback is over output bitmap should have the red color. | |
| 1048 output_pixels.eraseColor(SK_ColorGREEN); | |
| 1049 uint8_t* pixels = static_cast<uint8_t*>(output_pixels.getPixels()); | |
| 1050 ReadBackTexture(src_texture, src_size, pixels, color_type, async); | |
| 1051 bool result = IsEqual(input_pixels, output_pixels); | |
| 1052 if (!result) { | |
| 1053 LOG(ERROR) << "Bitmap comparision failure Pattern-1"; | |
| 1054 return false; | |
| 1055 } | |
| 1056 const int rect_w = 10, rect_h = 4, src_grid_pitch = 10, src_grid_width = 4; | |
| 1057 const SkColor color1 = SK_ColorRED, color2 = SK_ColorBLUE; | |
| 1058 // Test Pattern-2, Fill with Grid Pattern. | |
| 1059 DrawGridToBitmap(src_size.width(), src_size.height(), color2, color1, | |
| 1060 src_grid_pitch, src_grid_width, input_pixels); | |
| 1061 BindAndAttachTextureWithPixels(src_texture, color_type, src_size, | |
| 1062 input_pixels); | |
| 1063 ReadBackTexture(src_texture, src_size, pixels, color_type, async); | |
| 1064 result = IsEqual(input_pixels, output_pixels); | |
| 1065 if (!result) { | |
| 1066 LOG(ERROR) << "Bitmap comparision failure Pattern-2"; | |
| 1067 return false; | |
| 1068 } | |
| 1069 // Test Pattern-3, Fill with CheckerBoard Pattern. | |
| 1070 DrawCheckerToBitmap(src_size.width(), src_size.height(), color1, color2, | |
| 1071 rect_w, rect_h, input_pixels); | |
| 1072 BindAndAttachTextureWithPixels(src_texture, color_type, src_size, | |
| 1073 input_pixels); | |
| 1074 ReadBackTexture(src_texture, src_size, pixels, color_type, async); | |
| 1075 result = IsEqual(input_pixels, output_pixels); | |
| 1076 if (!result) { | |
| 1077 LOG(ERROR) << "Bitmap comparision failure Pattern-3"; | |
| 1078 return false; | |
| 1079 } | |
| 1080 gl_->DeleteTextures(1, &src_texture); | |
| 1081 if (HasFailure()) { | |
| 1082 return false; | |
| 1083 } | |
| 1084 return true; | |
| 1085 } | |
| 1086 | |
| 1087 void TestAddOps(int src, int dst, bool scale_x, bool allow3) { | |
| 1088 std::deque<GLHelperScaling::ScaleOp> ops; | |
| 1089 GLHelperScaling::ScaleOp::AddOps(src, dst, scale_x, allow3, &ops); | |
| 1090 // Scale factor 3 is a special case. | |
| 1091 // It is currently only allowed by itself. | |
| 1092 if (allow3 && dst * 3 >= src && dst * 2 < src) { | |
| 1093 EXPECT_EQ(ops[0].scale_factor, 3); | |
| 1094 EXPECT_EQ(ops.size(), 1U); | |
| 1095 EXPECT_EQ(ops[0].scale_x, scale_x); | |
| 1096 EXPECT_EQ(ops[0].scale_size, dst); | |
| 1097 return; | |
| 1098 } | |
| 1099 | |
| 1100 for (size_t i = 0; i < ops.size(); i++) { | |
| 1101 EXPECT_EQ(ops[i].scale_x, scale_x); | |
| 1102 if (i == 0) { | |
| 1103 // Only the first op is allowed to be a scale up. | |
| 1104 // (Scaling up *after* scaling down would make it fuzzy.) | |
| 1105 EXPECT_TRUE(ops[0].scale_factor == 0 || ops[0].scale_factor == 2); | |
| 1106 } else { | |
| 1107 // All other operations must be 50% downscales. | |
| 1108 EXPECT_EQ(ops[i].scale_factor, 2); | |
| 1109 } | |
| 1110 } | |
| 1111 // Check that the scale factors make sense and add up. | |
| 1112 int tmp = dst; | |
| 1113 for (int i = static_cast<int>(ops.size() - 1); i >= 0; i--) { | |
| 1114 EXPECT_EQ(tmp, ops[i].scale_size); | |
| 1115 if (ops[i].scale_factor == 0) { | |
| 1116 EXPECT_EQ(i, 0); | |
| 1117 EXPECT_GT(tmp, src); | |
| 1118 tmp = src; | |
| 1119 } else { | |
| 1120 tmp *= ops[i].scale_factor; | |
| 1121 } | |
| 1122 } | |
| 1123 EXPECT_EQ(tmp, src); | |
| 1124 } | |
| 1125 | |
| 1126 void CheckPipeline2(int xsize, | |
| 1127 int ysize, | |
| 1128 int dst_xsize, | |
| 1129 int dst_ysize, | |
| 1130 const std::string& description) { | |
| 1131 std::vector<GLHelperScaling::ScalerStage> stages; | |
| 1132 helper_scaling_->ConvertScalerOpsToScalerStages( | |
| 1133 display_compositor::GLHelper::SCALER_QUALITY_GOOD, | |
| 1134 gfx::Size(xsize, ysize), gfx::Rect(0, 0, xsize, ysize), | |
| 1135 gfx::Size(dst_xsize, dst_ysize), false, false, &x_ops_, &y_ops_, | |
| 1136 &stages); | |
| 1137 EXPECT_EQ(x_ops_.size(), 0U); | |
| 1138 EXPECT_EQ(y_ops_.size(), 0U); | |
| 1139 ValidateScalerStages(display_compositor::GLHelper::SCALER_QUALITY_GOOD, | |
| 1140 stages, gfx::Size(dst_xsize, dst_ysize), ""); | |
| 1141 EXPECT_EQ(PrintStages(stages), description); | |
| 1142 } | |
| 1143 | |
| 1144 void CheckOptimizationsTest() { | |
| 1145 // Basic upscale. X and Y should be combined into one pass. | |
| 1146 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 2000)); | |
| 1147 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 2000)); | |
| 1148 CheckPipeline2(1024, 768, 2000, 2000, "1024x768 -> 2000x2000 bilinear\n"); | |
| 1149 | |
| 1150 // X scaled 1/2, Y upscaled, should still be one pass. | |
| 1151 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 512)); | |
| 1152 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 2000)); | |
| 1153 CheckPipeline2(1024, 768, 512, 2000, "1024x768 -> 512x2000 bilinear\n"); | |
| 1154 | |
| 1155 // X upscaled, Y scaled 1/2, one bilinear pass | |
| 1156 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 2000)); | |
| 1157 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 384)); | |
| 1158 CheckPipeline2(1024, 768, 2000, 384, "1024x768 -> 2000x384 bilinear\n"); | |
| 1159 | |
| 1160 // X scaled 1/2, Y scaled 1/2, one bilinear pass | |
| 1161 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 512)); | |
| 1162 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 384)); | |
| 1163 CheckPipeline2(1024, 768, 512, 384, "1024x768 -> 512x384 bilinear\n"); | |
| 1164 | |
| 1165 // X scaled 1/2, Y scaled to 60%, one bilinear2 pass. | |
| 1166 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 50)); | |
| 1167 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1168 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1169 CheckPipeline2(100, 100, 50, 60, "100x100 -> 50x60 bilinear2 Y\n"); | |
| 1170 | |
| 1171 // X scaled to 60%, Y scaled 1/2, one bilinear2 pass. | |
| 1172 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1173 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1174 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 50)); | |
| 1175 CheckPipeline2(100, 100, 60, 50, "100x100 -> 60x50 bilinear2 X\n"); | |
| 1176 | |
| 1177 // X scaled to 60%, Y scaled 60%, one bilinear2x2 pass. | |
| 1178 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1179 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1180 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1181 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1182 CheckPipeline2(100, 100, 60, 60, "100x100 -> 60x60 bilinear2x2\n"); | |
| 1183 | |
| 1184 // X scaled to 40%, Y scaled 40%, two bilinear3 passes. | |
| 1185 x_ops_.push_back(GLHelperScaling::ScaleOp(3, true, 40)); | |
| 1186 y_ops_.push_back(GLHelperScaling::ScaleOp(3, false, 40)); | |
| 1187 CheckPipeline2(100, 100, 40, 40, | |
| 1188 "100x100 -> 100x40 bilinear3 Y\n" | |
| 1189 "100x40 -> 40x40 bilinear3 X\n"); | |
| 1190 | |
| 1191 // X scaled to 60%, Y scaled 40% | |
| 1192 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1193 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1194 y_ops_.push_back(GLHelperScaling::ScaleOp(3, false, 40)); | |
| 1195 CheckPipeline2(100, 100, 60, 40, | |
| 1196 "100x100 -> 100x40 bilinear3 Y\n" | |
| 1197 "100x40 -> 60x40 bilinear2 X\n"); | |
| 1198 | |
| 1199 // X scaled to 40%, Y scaled 60% | |
| 1200 x_ops_.push_back(GLHelperScaling::ScaleOp(3, true, 40)); | |
| 1201 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1202 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1203 CheckPipeline2(100, 100, 40, 60, | |
| 1204 "100x100 -> 100x60 bilinear2 Y\n" | |
| 1205 "100x60 -> 40x60 bilinear3 X\n"); | |
| 1206 | |
| 1207 // X scaled to 30%, Y scaled 30% | |
| 1208 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); | |
| 1209 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); | |
| 1210 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 30)); | |
| 1211 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1212 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1213 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); | |
| 1214 CheckPipeline2(100, 100, 30, 30, | |
| 1215 "100x100 -> 100x30 bilinear4 Y\n" | |
| 1216 "100x30 -> 30x30 bilinear4 X\n"); | |
| 1217 | |
| 1218 // X scaled to 50%, Y scaled 30% | |
| 1219 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 50)); | |
| 1220 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1221 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1222 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); | |
| 1223 CheckPipeline2(100, 100, 50, 30, "100x100 -> 50x30 bilinear4 Y\n"); | |
| 1224 | |
| 1225 // X scaled to 150%, Y scaled 30% | |
| 1226 // Note that we avoid combinding X and Y passes | |
| 1227 // as that would probably be LESS efficient here. | |
| 1228 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 150)); | |
| 1229 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); | |
| 1230 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); | |
| 1231 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); | |
| 1232 CheckPipeline2(100, 100, 150, 30, | |
| 1233 "100x100 -> 100x30 bilinear4 Y\n" | |
| 1234 "100x30 -> 150x30 bilinear\n"); | |
| 1235 | |
| 1236 // X scaled to 1%, Y scaled 1% | |
| 1237 x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 128)); | |
| 1238 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 64)); | |
| 1239 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 32)); | |
| 1240 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 16)); | |
| 1241 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 8)); | |
| 1242 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 4)); | |
| 1243 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 2)); | |
| 1244 x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 1)); | |
| 1245 y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 128)); | |
| 1246 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 64)); | |
| 1247 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 32)); | |
| 1248 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 16)); | |
| 1249 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 8)); | |
| 1250 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 4)); | |
| 1251 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 2)); | |
| 1252 y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 1)); | |
| 1253 CheckPipeline2(100, 100, 1, 1, | |
| 1254 "100x100 -> 100x32 bilinear4 Y\n" | |
| 1255 "100x32 -> 100x4 bilinear4 Y\n" | |
| 1256 "100x4 -> 64x1 bilinear2x2\n" | |
| 1257 "64x1 -> 8x1 bilinear4 X\n" | |
| 1258 "8x1 -> 1x1 bilinear4 X\n"); | |
| 1259 } | |
| 1260 | |
| 1261 std::unique_ptr<gpu::GLInProcessContext> context_; | |
| 1262 gpu::gles2::GLES2Interface* gl_; | |
| 1263 std::unique_ptr<display_compositor::GLHelper> helper_; | |
| 1264 std::unique_ptr<display_compositor::GLHelperScaling> helper_scaling_; | |
| 1265 std::deque<GLHelperScaling::ScaleOp> x_ops_, y_ops_; | |
| 1266 }; | |
| 1267 | |
| 1268 class GLHelperPixelTest : public GLHelperTest { | |
| 1269 private: | |
| 1270 gfx::DisableNullDrawGLBindings enable_pixel_output_; | |
| 1271 }; | |
| 1272 | |
| 1273 TEST_F(GLHelperTest, RGBASyncReadbackTest) { | |
| 1274 const int kTestSize = 64; | |
| 1275 bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), | |
| 1276 kRGBA_8888_SkColorType, false); | |
| 1277 EXPECT_EQ(result, true); | |
| 1278 } | |
| 1279 | |
| 1280 TEST_F(GLHelperTest, BGRASyncReadbackTest) { | |
| 1281 const int kTestSize = 64; | |
| 1282 bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), | |
| 1283 kBGRA_8888_SkColorType, false); | |
| 1284 EXPECT_EQ(result, true); | |
| 1285 } | |
| 1286 | |
| 1287 TEST_F(GLHelperTest, RGB565SyncReadbackTest) { | |
| 1288 const int kTestSize = 64; | |
| 1289 bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), | |
| 1290 kRGB_565_SkColorType, false); | |
| 1291 EXPECT_EQ(result, true); | |
| 1292 } | |
| 1293 | |
| 1294 TEST_F(GLHelperTest, RGBAASyncReadbackTest) { | |
| 1295 const int kTestSize = 64; | |
| 1296 bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), | |
| 1297 kRGBA_8888_SkColorType, true); | |
| 1298 EXPECT_EQ(result, true); | |
| 1299 } | |
| 1300 | |
| 1301 TEST_F(GLHelperTest, BGRAASyncReadbackTest) { | |
| 1302 const int kTestSize = 64; | |
| 1303 bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), | |
| 1304 kBGRA_8888_SkColorType, true); | |
| 1305 EXPECT_EQ(result, true); | |
| 1306 } | |
| 1307 | |
| 1308 TEST_F(GLHelperTest, RGB565ASyncReadbackTest) { | |
| 1309 const int kTestSize = 64; | |
| 1310 bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), | |
| 1311 kRGB_565_SkColorType, true); | |
| 1312 EXPECT_EQ(result, true); | |
| 1313 } | |
| 1314 | |
| 1315 int kRGBReadBackSizes[] = {3, 6, 16}; | |
| 1316 | |
| 1317 class GLHelperPixelReadbackTest | |
| 1318 : public GLHelperPixelTest, | |
| 1319 public ::testing::WithParamInterface<std::tr1::tuple<unsigned int, | |
| 1320 unsigned int, | |
| 1321 unsigned int, | |
| 1322 unsigned int, | |
| 1323 unsigned int>> {}; | |
| 1324 | |
| 1325 // Per pixel tests, all sizes are small so that we can print | |
| 1326 // out the generated bitmaps. | |
| 1327 TEST_P(GLHelperPixelReadbackTest, ScaleTest) { | |
| 1328 unsigned int q_index = std::tr1::get<0>(GetParam()); | |
| 1329 unsigned int x = std::tr1::get<1>(GetParam()); | |
| 1330 unsigned int y = std::tr1::get<2>(GetParam()); | |
| 1331 unsigned int dst_x = std::tr1::get<3>(GetParam()); | |
| 1332 unsigned int dst_y = std::tr1::get<4>(GetParam()); | |
| 1333 | |
| 1334 for (int flip = 0; flip <= 1; flip++) { | |
| 1335 for (int pattern = 0; pattern < 3; pattern++) { | |
| 1336 TestScale(kRGBReadBackSizes[x], kRGBReadBackSizes[y], | |
| 1337 kRGBReadBackSizes[dst_x], kRGBReadBackSizes[dst_y], pattern, | |
| 1338 q_index, flip == 1); | |
| 1339 if (HasFailure()) { | |
| 1340 return; | |
| 1341 } | |
| 1342 } | |
| 1343 } | |
| 1344 } | |
| 1345 | |
| 1346 // Per pixel tests, all sizes are small so that we can print | |
| 1347 // out the generated bitmaps. | |
| 1348 TEST_P(GLHelperPixelReadbackTest, CropScaleReadbackAndCleanTextureTest) { | |
| 1349 unsigned int q_index = std::tr1::get<0>(GetParam()); | |
| 1350 unsigned int x = std::tr1::get<1>(GetParam()); | |
| 1351 unsigned int y = std::tr1::get<2>(GetParam()); | |
| 1352 unsigned int dst_x = std::tr1::get<3>(GetParam()); | |
| 1353 unsigned int dst_y = std::tr1::get<4>(GetParam()); | |
| 1354 | |
| 1355 const SkColorType kColorTypes[] = { | |
| 1356 kAlpha_8_SkColorType, kRGBA_8888_SkColorType, kBGRA_8888_SkColorType}; | |
| 1357 for (size_t color_type = 0; color_type < arraysize(kColorTypes); | |
| 1358 color_type++) { | |
| 1359 for (int pattern = 0; pattern < 3; pattern++) { | |
| 1360 TestCropScaleReadbackAndCleanTexture( | |
| 1361 kRGBReadBackSizes[x], kRGBReadBackSizes[y], kRGBReadBackSizes[dst_x], | |
| 1362 kRGBReadBackSizes[dst_y], pattern, kColorTypes[color_type], false, | |
| 1363 q_index); | |
| 1364 if (HasFailure()) | |
| 1365 return; | |
| 1366 } | |
| 1367 } | |
| 1368 } | |
| 1369 | |
| 1370 INSTANTIATE_TEST_CASE_P( | |
| 1371 , | |
| 1372 GLHelperPixelReadbackTest, | |
| 1373 ::testing::Combine( | |
| 1374 ::testing::Range<unsigned int>(0, arraysize(kQualities)), | |
| 1375 ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)), | |
| 1376 ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)), | |
| 1377 ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)), | |
| 1378 ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)))); | |
| 1379 | |
| 1380 // Validate that all scaling generates valid pipelines. | |
| 1381 TEST_F(GLHelperTest, ValidateScalerPipelines) { | |
| 1382 int sizes[] = {7, 99, 128, 256, 512, 719, 720, 721, 1920, 2011, 3217, 4096}; | |
| 1383 for (size_t q = 0; q < arraysize(kQualities); q++) { | |
| 1384 for (size_t x = 0; x < arraysize(sizes); x++) { | |
| 1385 for (size_t y = 0; y < arraysize(sizes); y++) { | |
| 1386 for (size_t dst_x = 0; dst_x < arraysize(sizes); dst_x++) { | |
| 1387 for (size_t dst_y = 0; dst_y < arraysize(sizes); dst_y++) { | |
| 1388 TestScalerPipeline(q, sizes[x], sizes[y], sizes[dst_x], | |
| 1389 sizes[dst_y]); | |
| 1390 if (HasFailure()) { | |
| 1391 return; | |
| 1392 } | |
| 1393 } | |
| 1394 } | |
| 1395 } | |
| 1396 } | |
| 1397 } | |
| 1398 } | |
| 1399 | |
| 1400 // Make sure we don't create overly complicated pipelines | |
| 1401 // for a few common use cases. | |
| 1402 TEST_F(GLHelperTest, CheckSpecificPipelines) { | |
| 1403 // Upscale should be single pass. | |
| 1404 CheckPipeline(display_compositor::GLHelper::SCALER_QUALITY_GOOD, 1024, 700, | |
| 1405 1280, 720, "1024x700 -> 1280x720 bilinear\n"); | |
| 1406 // Slight downscale should use BILINEAR2X2. | |
| 1407 CheckPipeline(display_compositor::GLHelper::SCALER_QUALITY_GOOD, 1280, 720, | |
| 1408 1024, 700, "1280x720 -> 1024x700 bilinear2x2\n"); | |
| 1409 // Most common tab capture pipeline on the Pixel. | |
| 1410 // Should be using two BILINEAR3 passes. | |
| 1411 CheckPipeline(display_compositor::GLHelper::SCALER_QUALITY_GOOD, 2560, 1476, | |
| 1412 1249, 720, | |
| 1413 "2560x1476 -> 2560x720 bilinear3 Y\n" | |
| 1414 "2560x720 -> 1249x720 bilinear3 X\n"); | |
| 1415 } | |
| 1416 | |
| 1417 TEST_F(GLHelperTest, ScalerOpTest) { | |
| 1418 for (int allow3 = 0; allow3 <= 1; allow3++) { | |
| 1419 for (int dst = 1; dst < 2049; dst += 1 + (dst >> 3)) { | |
| 1420 for (int src = 1; src < 2049; src++) { | |
| 1421 TestAddOps(src, dst, allow3 == 1, (src & 1) == 1); | |
| 1422 if (HasFailure()) { | |
| 1423 LOG(ERROR) << "Failed for src=" << src << " dst=" << dst | |
| 1424 << " allow3=" << allow3; | |
| 1425 return; | |
| 1426 } | |
| 1427 } | |
| 1428 } | |
| 1429 } | |
| 1430 } | |
| 1431 | |
| 1432 TEST_F(GLHelperTest, CheckOptimizations) { | |
| 1433 // Test in baseclass since it is friends with GLHelperScaling | |
| 1434 CheckOptimizationsTest(); | |
| 1435 } | |
| 1436 | |
| 1437 } // namespace display_compositor | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1905863002:
Revert of Introduce components/display_compositor (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master