git.sesse.net Git - movit/blob - test_util.cpp

   1 #include <assert.h>
   2 #include <math.h>
   3 #include <stdio.h>
   4 #include <algorithm>
   5 #include <epoxy/gl.h>
   6 #include <gtest/gtest.h>
   7 #include <gtest/gtest-message.h>
   8
   9 #include "flat_input.h"
  10 #include "init.h"
  11 #include "resource_pool.h"
  12 #include "test_util.h"
  13 #include "util.h"
  14
  15 using namespace std;
  16
  17 namespace movit {
  18
  19 class Input;
  20
  21 namespace {
  22
  23 // Not thread-safe, but this isn't a big problem for testing.
  24 ResourcePool *get_static_pool()
  25 {
  26         static ResourcePool *resource_pool = nullptr;
  27         if (!resource_pool) {
  28                 resource_pool = new ResourcePool();
  29         }
  30         return resource_pool;
  31 }
  32
  33 // Flip upside-down to compensate for different origin.
  34 template<class T>
  35 void vertical_flip(T *data, unsigned width, unsigned height)
  36 {
  37         for (unsigned y = 0; y < height / 2; ++y) {
  38                 unsigned flip_y = height - y - 1;
  39                 for (unsigned x = 0; x < width; ++x) {
  40                         swap(data[y * width + x], data[flip_y * width + x]);
  41                 }
  42         }
  43 }
  44
  45 void init_movit_for_test()
  46 {
  47        CHECK(init_movit(".", MOVIT_DEBUG_OFF));
  48 }
  49
  50 }  // namespace
  51
  52 EffectChainTester::EffectChainTester(const float *data, unsigned width, unsigned height,
  53                                      MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve,
  54                                      GLenum framebuffer_format)
  55         : chain(width, height, get_static_pool()),
  56           width(width),
  57           height(height),
  58           framebuffer_format(framebuffer_format),
  59           output_added(false),
  60           finalized(false)
  61 {
  62         CHECK(init_movit(".", MOVIT_DEBUG_OFF));
  63
  64         if (data != nullptr) {
  65                 add_input(data, pixel_format, color_space, gamma_curve);
  66         }
  67 }
  68
  69 EffectChainTester::~EffectChainTester()
  70 {
  71 }
  72
  73 Input *EffectChainTester::add_input(const float *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width, int input_height)
  74 {
  75         ImageFormat format;
  76         format.color_space = color_space;
  77         format.gamma_curve = gamma_curve;
  78
  79         if (input_width == -1) {
  80                 input_width = width;
  81         }
  82         if (input_height == -1) {
  83                 input_height = height;
  84         }
  85
  86         FlatInput *input = new FlatInput(format, pixel_format, GL_FLOAT, input_width, input_height);
  87         input->set_pixel_data(data);
  88         chain.add_input(input);
  89         return input;
  90 }
  91
  92 Input *EffectChainTester::add_input(const unsigned char *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width, int input_height)
  93 {
  94         ImageFormat format;
  95         format.color_space = color_space;
  96         format.gamma_curve = gamma_curve;
  97
  98         if (input_width == -1) {
  99                 input_width = width;
 100         }
 101         if (input_height == -1) {
 102                 input_height = height;
 103         }
 104
 105         FlatInput *input = new FlatInput(format, pixel_format, GL_UNSIGNED_BYTE, input_width, input_height);
 106         input->set_pixel_data(data);
 107         chain.add_input(input);
 108         return input;
 109 }
 110
 111 void EffectChainTester::run(float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 112 {
 113         internal_run<float>(out_data, nullptr, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
 114 }
 115
 116 void EffectChainTester::run(float *out_data, float *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 117 {
 118         internal_run<float>(out_data, out_data2, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
 119 }
 120
 121 void EffectChainTester::run(float *out_data, float *out_data2, float *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 122 {
 123         internal_run<float>(out_data, out_data2, out_data3, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
 124 }
 125
 126 void EffectChainTester::run(float *out_data, float *out_data2, float *out_data3, float *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 127 {
 128         internal_run(out_data, out_data2, out_data3, out_data4, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
 129 }
 130
 131 void EffectChainTester::run(unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 132 {
 133         internal_run<unsigned char>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
 134 }
 135
 136 void EffectChainTester::run(unsigned char *out_data, unsigned char *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 137 {
 138         internal_run<unsigned char>(out_data, out_data2, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
 139 }
 140
 141 void EffectChainTester::run(unsigned char *out_data, unsigned char *out_data2, unsigned char *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 142 {
 143         internal_run<unsigned char>(out_data, out_data2, out_data3, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
 144 }
 145
 146 void EffectChainTester::run(unsigned char *out_data, unsigned char *out_data2, unsigned char *out_data3, unsigned char *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 147 {
 148         internal_run(out_data, out_data2, out_data3, out_data4, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
 149 }
 150
 151 void EffectChainTester::run(uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 152 {
 153         internal_run<uint16_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_SHORT, format, color_space, gamma_curve, alpha_format);
 154 }
 155
 156 void EffectChainTester::run_10_10_10_2(uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 157 {
 158         internal_run<uint32_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_INT_2_10_10_10_REV, format, color_space, gamma_curve, alpha_format);
 159 }
 160
 161 #ifdef HAVE_BENCHMARK
 162
 163 void EffectChainTester::benchmark(benchmark::State &state, float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 164 {
 165         internal_run<float>(out_data, nullptr, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
 166 }
 167
 168 void EffectChainTester::benchmark(benchmark::State &state, float *out_data, float *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 169 {
 170         internal_run<float>(out_data, out_data2, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
 171 }
 172
 173 void EffectChainTester::benchmark(benchmark::State &state, float *out_data, float *out_data2, float *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 174 {
 175         internal_run<float>(out_data, out_data2, out_data3, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
 176 }
 177
 178 void EffectChainTester::benchmark(benchmark::State &state, float *out_data, float *out_data2, float *out_data3, float *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 179 {
 180         internal_run(out_data, out_data2, out_data3, out_data4, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
 181 }
 182
 183 void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 184 {
 185         internal_run<unsigned char>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
 186 }
 187
 188 void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, unsigned char *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 189 {
 190         internal_run<unsigned char>(out_data, out_data2, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
 191 }
 192
 193 void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, unsigned char *out_data2, unsigned char *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 194 {
 195         internal_run<unsigned char>(out_data, out_data2, out_data3, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
 196 }
 197
 198 void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, unsigned char *out_data2, unsigned char *out_data3, unsigned char *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 199 {
 200         internal_run(out_data, out_data2, out_data3, out_data4, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
 201 }
 202
 203 void EffectChainTester::benchmark(benchmark::State &state, uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 204 {
 205         internal_run<uint16_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_SHORT, format, color_space, gamma_curve, alpha_format, &state);
 206 }
 207
 208 void EffectChainTester::benchmark_10_10_10_2(benchmark::State &state, uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 209 {
 210         internal_run<uint32_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_INT_2_10_10_10_REV, format, color_space, gamma_curve, alpha_format, &state);
 211 }
 212
 213 #endif
 214
 215 template<class T>
 216 void EffectChainTester::internal_run(T *out_data, T *out_data2, T *out_data3, T *out_data4, GLenum internal_format, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format
 217 #ifdef HAVE_BENCHMARK
 218 , benchmark::State *benchmark_state
 219 #endif
 220 )
 221 {
 222         if (!finalized) {
 223                 finalize_chain(color_space, gamma_curve, alpha_format);
 224         }
 225
 226         GLuint type;
 227         if (framebuffer_format == GL_RGBA8) {
 228                 type = GL_UNSIGNED_BYTE;
 229         } else if (framebuffer_format == GL_RGBA16) {
 230                 type = GL_UNSIGNED_SHORT;
 231         } else if (framebuffer_format == GL_RGBA16F || framebuffer_format == GL_RGBA32F) {
 232                 type = GL_FLOAT;
 233         } else if (framebuffer_format == GL_RGB10_A2) {
 234                 type = GL_UNSIGNED_INT_2_10_10_10_REV;
 235         } else {
 236                 // Add more here as needed.
 237                 assert(false);
 238         }
 239
 240         unsigned num_outputs;
 241         if (out_data4 != nullptr) {
 242                 num_outputs = 4;
 243         } else if (out_data3 != nullptr) {
 244                 num_outputs = 3;
 245         } else if (out_data2 != nullptr) {
 246                 num_outputs = 2;
 247         } else {
 248                 num_outputs = 1;
 249         }
 250
 251         glActiveTexture(GL_TEXTURE0);
 252         check_error();
 253
 254         vector<EffectChain::DestinationTexture> textures;
 255         for (unsigned i = 0; i < num_outputs; ++i) {
 256                 GLuint texnum = chain.get_resource_pool()->create_2d_texture(framebuffer_format, width, height);
 257                 textures.push_back(EffectChain::DestinationTexture{texnum, framebuffer_format});
 258
 259                 // The output texture needs to have valid state to be written to by a compute shader.
 260                 glBindTexture(GL_TEXTURE_2D, texnum);
 261                 check_error();
 262                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 263                 check_error();
 264         }
 265
 266         chain.render_to_texture(textures, width, height);
 267
 268 #ifdef HAVE_BENCHMARK
 269         // If running benchmarks: Now we've warmed up everything, so let's run the
 270         // actual benchmark loop.
 271         if (benchmark_state != nullptr) {
 272                 glFinish();
 273                 size_t iters = benchmark_state->max_iterations;
 274                 for (auto _ : *benchmark_state) {
 275                         chain.render_to_texture(textures, width, height);
 276                         if (--iters == 0) {
 277                                 glFinish();
 278                         }
 279                 }
 280                 benchmark_state->SetItemsProcessed(benchmark_state->iterations() * width * height);
 281         }
 282 #endif
 283
 284         T *data[4] = { out_data, out_data2, out_data3, out_data4 };
 285
 286         for (unsigned i = 0; i < num_outputs; ++i) {
 287                 T *ptr = data[i];
 288                 glBindTexture(GL_TEXTURE_2D, textures[i].texnum);
 289                 check_error();
 290                 if (!epoxy_is_desktop_gl() && (format == GL_RED || format == GL_BLUE || format == GL_ALPHA)) {
 291                         // GLES will only read GL_RGBA.
 292                         T *temp = new T[width * height * 4];
 293                         glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, type, temp);
 294                         check_error();
 295                         if (format == GL_ALPHA) {
 296                                 for (unsigned i = 0; i < width * height; ++i) {
 297                                         ptr[i] = temp[i * 4 + 3];
 298                                 }
 299                         } else if (format == GL_BLUE) {
 300                                 for (unsigned i = 0; i < width * height; ++i) {
 301                                         ptr[i] = temp[i * 4 + 2];
 302                                 }
 303                         } else {
 304                                 for (unsigned i = 0; i < width * height; ++i) {
 305                                         ptr[i] = temp[i * 4];
 306                                 }
 307                         }
 308                         delete[] temp;
 309                 } else {
 310                         glGetTexImage(GL_TEXTURE_2D, 0, format, type, ptr);
 311                         check_error();
 312                 }
 313
 314                 if (format == GL_RGBA && (type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_SHORT || type == GL_FLOAT)) {
 315                         vertical_flip(ptr, width * 4, height);
 316                 } else {
 317                         vertical_flip(ptr, width, height);
 318                 }
 319         }
 320
 321         for (unsigned i = 0; i < num_outputs; ++i) {
 322                 chain.get_resource_pool()->release_2d_texture(textures[i].texnum);
 323         }
 324 }
 325
 326 void EffectChainTester::add_output(const ImageFormat &format, OutputAlphaFormat alpha_format)
 327 {
 328         chain.add_output(format, alpha_format);
 329         output_added = true;
 330 }
 331
 332 void EffectChainTester::add_ycbcr_output(const ImageFormat &format, OutputAlphaFormat alpha_format, const YCbCrFormat &ycbcr_format, YCbCrOutputSplitting output_splitting, GLenum type)
 333 {
 334         chain.add_ycbcr_output(format, alpha_format, ycbcr_format, output_splitting, type);
 335         output_added = true;
 336 }
 337
 338 void EffectChainTester::finalize_chain(Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 339 {
 340         assert(!finalized);
 341         if (!output_added) {
 342                 ImageFormat image_format;
 343                 image_format.color_space = color_space;
 344                 image_format.gamma_curve = gamma_curve;
 345                 chain.add_output(image_format, alpha_format);
 346                 output_added = true;
 347         }
 348         chain.finalize();
 349         finalized = true;
 350 }
 351
 352 void expect_equal(const float *ref, const float *result, unsigned width, unsigned height, float largest_difference_limit, float rms_limit)
 353 {
 354         float largest_difference = -1.0f;
 355         float squared_difference = 0.0f;
 356         int largest_diff_x = -1, largest_diff_y = -1;
 357
 358         for (unsigned y = 0; y < height; ++y) {
 359                 for (unsigned x = 0; x < width; ++x) {
 360                         float diff = ref[y * width + x] - result[y * width + x];
 361                         if (fabs(diff) > largest_difference) {
 362                                 largest_difference = fabs(diff);
 363                                 largest_diff_x = x;
 364                                 largest_diff_y = y;
 365                         }
 366                         squared_difference += diff * diff;
 367                 }
 368         }
 369
 370         EXPECT_LT(largest_difference, largest_difference_limit)
 371                 << "Largest difference is in x=" << largest_diff_x << ", y=" << largest_diff_y << ":\n"
 372                 << "Reference: " << ref[largest_diff_y * width + largest_diff_x] << "\n"
 373                 << "Result:    " << result[largest_diff_y * width + largest_diff_x];
 374
 375         float rms = sqrt(squared_difference) / (width * height);
 376         EXPECT_LT(rms, rms_limit);
 377
 378         if (largest_difference >= largest_difference_limit || isnan(rms) || rms >= rms_limit) {
 379                 fprintf(stderr, "Dumping matrices for easier debugging, since at least one test failed.\n");
 380
 381                 fprintf(stderr, "Reference:\n");
 382                 for (unsigned y = 0; y < height; ++y) {
 383                         for (unsigned x = 0; x < width; ++x) {
 384                                 fprintf(stderr, "%7.4f ", ref[y * width + x]);
 385                         }
 386                         fprintf(stderr, "\n");
 387                 }
 388
 389                 fprintf(stderr, "\nResult:\n");
 390                 for (unsigned y = 0; y < height; ++y) {
 391                         for (unsigned x = 0; x < width; ++x) {
 392                                 fprintf(stderr, "%7.4f ", result[y * width + x]);
 393                         }
 394                         fprintf(stderr, "\n");
 395                 }
 396         }
 397 }
 398
 399 void expect_equal(const unsigned char *ref, const unsigned char *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
 400 {
 401         assert(width > 0);
 402         assert(height > 0);
 403
 404         float *ref_float = new float[width * height];
 405         float *result_float = new float[width * height];
 406
 407         for (unsigned y = 0; y < height; ++y) {
 408                 for (unsigned x = 0; x < width; ++x) {
 409                         ref_float[y * width + x] = ref[y * width + x];
 410                         result_float[y * width + x] = result[y * width + x];
 411                 }
 412         }
 413
 414         expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
 415
 416         delete[] ref_float;
 417         delete[] result_float;
 418 }
 419
 420 void expect_equal(const uint16_t *ref, const uint16_t *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
 421 {
 422         assert(width > 0);
 423         assert(height > 0);
 424
 425         float *ref_float = new float[width * height];
 426         float *result_float = new float[width * height];
 427
 428         for (unsigned y = 0; y < height; ++y) {
 429                 for (unsigned x = 0; x < width; ++x) {
 430                         ref_float[y * width + x] = ref[y * width + x];
 431                         result_float[y * width + x] = result[y * width + x];
 432                 }
 433         }
 434
 435         expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
 436
 437         delete[] ref_float;
 438         delete[] result_float;
 439 }
 440
 441 void expect_equal(const int *ref, const int *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
 442 {
 443         assert(width > 0);
 444         assert(height > 0);
 445
 446         float *ref_float = new float[width * height];
 447         float *result_float = new float[width * height];
 448
 449         for (unsigned y = 0; y < height; ++y) {
 450                 for (unsigned x = 0; x < width; ++x) {
 451                         ref_float[y * width + x] = ref[y * width + x];
 452                         result_float[y * width + x] = result[y * width + x];
 453                 }
 454         }
 455
 456         expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
 457
 458         delete[] ref_float;
 459         delete[] result_float;
 460 }
 461
 462 void test_accuracy(const float *expected, const float *result, unsigned num_values, double absolute_error_limit, double relative_error_limit, double local_relative_error_limit, double rms_limit)
 463 {
 464         double squared_difference = 0.0;
 465         for (unsigned i = 0; i < num_values; ++i) {
 466                 double absolute_error = fabs(expected[i] - result[i]);
 467                 squared_difference += absolute_error * absolute_error;
 468                 EXPECT_LT(absolute_error, absolute_error_limit);
 469
 470                 if (expected[i] > 0.0) {
 471                         double relative_error = fabs(absolute_error / expected[i]);
 472
 473                         EXPECT_LT(relative_error, relative_error_limit);
 474                 }
 475                 if (i < num_values - 1) {
 476                         double delta = expected[i + 1] - expected[i];
 477                         double local_relative_error = fabs(absolute_error / delta);
 478                         EXPECT_LT(local_relative_error, local_relative_error_limit);
 479                 }
 480         }
 481         double rms = sqrt(squared_difference) / num_values;
 482         EXPECT_LT(rms, rms_limit);
 483 }
 484
 485 double srgb_to_linear(double x)
 486 {
 487         // From the Wikipedia article on sRGB.
 488         if (x < 0.04045) {
 489                 return x / 12.92;
 490         } else {
 491                 return pow((x + 0.055) / 1.055, 2.4);
 492         }
 493 }
 494
 495 double linear_to_srgb(double x)
 496 {
 497         // From the Wikipedia article on sRGB.
 498         if (x < 0.0031308) {
 499                 return 12.92 * x;
 500         } else {
 501                 return 1.055 * pow(x, 1.0 / 2.4) - 0.055;
 502         }
 503 }
 504
 505 DisableComputeShadersTemporarily::DisableComputeShadersTemporarily(bool disable_compute_shaders)
 506         : disable_compute_shaders(disable_compute_shaders)
 507 {
 508         init_movit_for_test();
 509         saved_compute_shaders_supported = movit_compute_shaders_supported;
 510         if (disable_compute_shaders) {
 511                 movit_compute_shaders_supported = false;
 512         }
 513 }
 514
 515 DisableComputeShadersTemporarily::~DisableComputeShadersTemporarily()
 516 {
 517         movit_compute_shaders_supported = saved_compute_shaders_supported;
 518 }
 519
 520 bool DisableComputeShadersTemporarily::should_skip()
 521 {
 522         if (disable_compute_shaders) {
 523                 return false;
 524         }
 525
 526         if (!movit_compute_shaders_supported) {
 527                 fprintf(stderr, "Compute shaders not supported; skipping.\n");
 528                 return true;
 529         }
 530         return false;
 531 }
 532
 533 #ifdef HAVE_BENCHMARK
 534 bool DisableComputeShadersTemporarily::should_skip(benchmark::State *benchmark_state)
 535 {
 536         if (disable_compute_shaders) {
 537                 return false;
 538         }
 539
 540         if (!movit_compute_shaders_supported) {
 541                 benchmark_state->SkipWithError("Compute shaders not supported");
 542                 return true;
 543         }
 544         return false;
 545 }
 546 #endif
 547
 548 }  // namespace movit