6 #include <gtest/gtest.h>
7 #include <gtest/gtest-message.h>
9 #include "flat_input.h"
11 #include "resource_pool.h"
12 #include "test_util.h"
23 // Not thread-safe, but this isn't a big problem for testing.
24 ResourcePool *get_static_pool()
26 static ResourcePool *resource_pool = nullptr;
28 resource_pool = new ResourcePool();
33 // Flip upside-down to compensate for different origin.
35 void vertical_flip(T *data, unsigned width, unsigned height)
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]);
45 void init_movit_for_test()
47 CHECK(init_movit(".", MOVIT_DEBUG_OFF));
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()),
58 framebuffer_format(framebuffer_format),
62 init_movit_for_test();
64 if (data != nullptr) {
65 add_input(data, pixel_format, color_space, gamma_curve);
69 EffectChainTester::~EffectChainTester()
73 Input *EffectChainTester::add_input(const float *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width, int input_height)
76 format.color_space = color_space;
77 format.gamma_curve = gamma_curve;
79 if (input_width == -1) {
82 if (input_height == -1) {
83 input_height = height;
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);
92 Input *EffectChainTester::add_input(const fp16_int_t *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width, int input_height)
95 format.color_space = color_space;
96 format.gamma_curve = gamma_curve;
98 if (input_width == -1) {
101 if (input_height == -1) {
102 input_height = height;
105 FlatInput *input = new FlatInput(format, pixel_format, GL_HALF_FLOAT, input_width, input_height);
106 input->set_pixel_data_fp16(data);
107 chain.add_input(input);
111 Input *EffectChainTester::add_input(const unsigned char *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width, int input_height)
114 format.color_space = color_space;
115 format.gamma_curve = gamma_curve;
117 if (input_width == -1) {
120 if (input_height == -1) {
121 input_height = height;
124 FlatInput *input = new FlatInput(format, pixel_format, GL_UNSIGNED_BYTE, input_width, input_height);
125 input->set_pixel_data(data);
126 chain.add_input(input);
130 void EffectChainTester::run(float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
132 internal_run<float>(out_data, nullptr, nullptr, nullptr, format, color_space, gamma_curve, alpha_format);
135 void EffectChainTester::run(float *out_data, float *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
137 internal_run<float>(out_data, out_data2, nullptr, nullptr, format, color_space, gamma_curve, alpha_format);
140 void EffectChainTester::run(float *out_data, float *out_data2, float *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
142 internal_run<float>(out_data, out_data2, out_data3, nullptr, format, color_space, gamma_curve, alpha_format);
145 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)
147 internal_run(out_data, out_data2, out_data3, out_data4, format, color_space, gamma_curve, alpha_format);
150 void EffectChainTester::run(unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
152 internal_run<unsigned char>(out_data, nullptr, nullptr, nullptr, format, color_space, gamma_curve, alpha_format);
155 void EffectChainTester::run(unsigned char *out_data, unsigned char *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
157 internal_run<unsigned char>(out_data, out_data2, nullptr, nullptr, format, color_space, gamma_curve, alpha_format);
160 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)
162 internal_run<unsigned char>(out_data, out_data2, out_data3, nullptr, format, color_space, gamma_curve, alpha_format);
165 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)
167 internal_run(out_data, out_data2, out_data3, out_data4, format, color_space, gamma_curve, alpha_format);
170 void EffectChainTester::run(uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
172 internal_run<uint16_t>(out_data, nullptr, nullptr, nullptr, format, color_space, gamma_curve, alpha_format);
175 void EffectChainTester::run_10_10_10_2(uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
177 internal_run<uint32_t>(out_data, nullptr, nullptr, nullptr, format, color_space, gamma_curve, alpha_format);
180 #ifdef HAVE_BENCHMARK
182 void EffectChainTester::benchmark(benchmark::State &state, float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
184 internal_run<float>(out_data, nullptr, nullptr, nullptr, format, color_space, gamma_curve, alpha_format, &state);
187 void EffectChainTester::benchmark(benchmark::State &state, float *out_data, float *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
189 internal_run<float>(out_data, out_data2, nullptr, nullptr, format, color_space, gamma_curve, alpha_format, &state);
192 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)
194 internal_run<float>(out_data, out_data2, out_data3, nullptr, format, color_space, gamma_curve, alpha_format, &state);
197 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)
199 internal_run(out_data, out_data2, out_data3, out_data4, format, color_space, gamma_curve, alpha_format, &state);
202 void EffectChainTester::benchmark(benchmark::State &state, fp16_int_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
204 internal_run<fp16_int_t>(out_data, nullptr, nullptr, nullptr, format, color_space, gamma_curve, alpha_format, &state);
207 void EffectChainTester::benchmark(benchmark::State &state, fp16_int_t *out_data, fp16_int_t *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
209 internal_run<fp16_int_t>(out_data, out_data2, nullptr, nullptr, format, color_space, gamma_curve, alpha_format, &state);
212 void EffectChainTester::benchmark(benchmark::State &state, fp16_int_t *out_data, fp16_int_t *out_data2, fp16_int_t *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
214 internal_run<fp16_int_t>(out_data, out_data2, out_data3, nullptr, format, color_space, gamma_curve, alpha_format, &state);
217 void EffectChainTester::benchmark(benchmark::State &state, fp16_int_t *out_data, fp16_int_t *out_data2, fp16_int_t *out_data3, fp16_int_t *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
219 internal_run(out_data, out_data2, out_data3, out_data4, format, color_space, gamma_curve, alpha_format, &state);
222 void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
224 internal_run<unsigned char>(out_data, nullptr, nullptr, nullptr, format, color_space, gamma_curve, alpha_format, &state);
227 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)
229 internal_run<unsigned char>(out_data, out_data2, nullptr, nullptr, format, color_space, gamma_curve, alpha_format, &state);
232 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)
234 internal_run<unsigned char>(out_data, out_data2, out_data3, nullptr, format, color_space, gamma_curve, alpha_format, &state);
237 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)
239 internal_run(out_data, out_data2, out_data3, out_data4, format, color_space, gamma_curve, alpha_format, &state);
242 void EffectChainTester::benchmark(benchmark::State &state, uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
244 internal_run<uint16_t>(out_data, nullptr, nullptr, nullptr, format, color_space, gamma_curve, alpha_format, &state);
247 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)
249 internal_run<uint32_t>(out_data, nullptr, nullptr, nullptr, format, color_space, gamma_curve, alpha_format, &state);
255 void EffectChainTester::internal_run(T *out_data, T *out_data2, T *out_data3, T *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format
256 #ifdef HAVE_BENCHMARK
257 , benchmark::State *benchmark_state
262 finalize_chain(color_space, gamma_curve, alpha_format);
266 if (framebuffer_format == GL_RGBA8) {
267 type = GL_UNSIGNED_BYTE;
268 } else if (framebuffer_format == GL_RGBA16) {
269 type = GL_UNSIGNED_SHORT;
270 } else if (framebuffer_format == GL_RGBA16F && sizeof(T) == 2) {
271 type = GL_HALF_FLOAT;
272 } else if (framebuffer_format == GL_RGBA16F || framebuffer_format == GL_RGBA32F) {
274 } else if (framebuffer_format == GL_RGB10_A2) {
275 type = GL_UNSIGNED_INT_2_10_10_10_REV;
277 // Add more here as needed.
281 unsigned num_outputs;
282 if (out_data4 != nullptr) {
284 } else if (out_data3 != nullptr) {
286 } else if (out_data2 != nullptr) {
292 glActiveTexture(GL_TEXTURE0);
295 vector<EffectChain::DestinationTexture> textures;
296 for (unsigned i = 0; i < num_outputs; ++i) {
297 GLuint texnum = chain.get_resource_pool()->create_2d_texture(framebuffer_format, width, height);
298 textures.push_back(EffectChain::DestinationTexture{texnum, framebuffer_format});
300 // The output texture needs to have valid state to be written to by a compute shader.
301 glBindTexture(GL_TEXTURE_2D, texnum);
303 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
307 chain.render_to_texture(textures, width, height);
309 #ifdef HAVE_BENCHMARK
310 // If running benchmarks: Now we've warmed up everything, so let's run the
311 // actual benchmark loop.
312 if (benchmark_state != nullptr) {
314 size_t iters = benchmark_state->max_iterations;
315 for (auto _ : *benchmark_state) {
316 chain.render_to_texture(textures, width, height);
321 benchmark_state->SetItemsProcessed(benchmark_state->iterations() * width * height);
325 T *data[4] = { out_data, out_data2, out_data3, out_data4 };
327 for (unsigned i = 0; i < num_outputs; ++i) {
329 glBindTexture(GL_TEXTURE_2D, textures[i].texnum);
331 if (!epoxy_is_desktop_gl() && (format == GL_RED || format == GL_BLUE || format == GL_ALPHA)) {
332 // GLES will only read GL_RGBA.
333 T *temp = new T[width * height * 4];
334 glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, type, temp);
336 if (format == GL_ALPHA) {
337 for (unsigned i = 0; i < width * height; ++i) {
338 ptr[i] = temp[i * 4 + 3];
340 } else if (format == GL_BLUE) {
341 for (unsigned i = 0; i < width * height; ++i) {
342 ptr[i] = temp[i * 4 + 2];
345 for (unsigned i = 0; i < width * height; ++i) {
346 ptr[i] = temp[i * 4];
351 glGetTexImage(GL_TEXTURE_2D, 0, format, type, ptr);
355 if (format == GL_RGBA && (type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_SHORT || type == GL_FLOAT)) {
356 vertical_flip(ptr, width * 4, height);
358 vertical_flip(ptr, width, height);
362 for (unsigned i = 0; i < num_outputs; ++i) {
363 chain.get_resource_pool()->release_2d_texture(textures[i].texnum);
367 void EffectChainTester::add_output(const ImageFormat &format, OutputAlphaFormat alpha_format)
369 chain.add_output(format, alpha_format);
373 void EffectChainTester::add_ycbcr_output(const ImageFormat &format, OutputAlphaFormat alpha_format, const YCbCrFormat &ycbcr_format, YCbCrOutputSplitting output_splitting, GLenum type)
375 chain.add_ycbcr_output(format, alpha_format, ycbcr_format, output_splitting, type);
379 void EffectChainTester::finalize_chain(Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
383 ImageFormat image_format;
384 image_format.color_space = color_space;
385 image_format.gamma_curve = gamma_curve;
386 chain.add_output(image_format, alpha_format);
393 void expect_equal(const float *ref, const float *result, unsigned width, unsigned height, float largest_difference_limit, float rms_limit)
395 float largest_difference = -1.0f;
396 float squared_difference = 0.0f;
397 int largest_diff_x = -1, largest_diff_y = -1;
399 for (unsigned y = 0; y < height; ++y) {
400 for (unsigned x = 0; x < width; ++x) {
401 float diff = ref[y * width + x] - result[y * width + x];
402 if (fabs(diff) > largest_difference) {
403 largest_difference = fabs(diff);
407 squared_difference += diff * diff;
411 EXPECT_LT(largest_difference, largest_difference_limit)
412 << "Largest difference is in x=" << largest_diff_x << ", y=" << largest_diff_y << ":\n"
413 << "Reference: " << ref[largest_diff_y * width + largest_diff_x] << "\n"
414 << "Result: " << result[largest_diff_y * width + largest_diff_x];
416 float rms = sqrt(squared_difference) / (width * height);
417 EXPECT_LT(rms, rms_limit);
419 if (largest_difference >= largest_difference_limit || isnan(rms) || rms >= rms_limit) {
420 fprintf(stderr, "Dumping matrices for easier debugging, since at least one test failed.\n");
422 fprintf(stderr, "Reference:\n");
423 for (unsigned y = 0; y < height; ++y) {
424 for (unsigned x = 0; x < width; ++x) {
425 fprintf(stderr, "%7.4f ", ref[y * width + x]);
427 fprintf(stderr, "\n");
430 fprintf(stderr, "\nResult:\n");
431 for (unsigned y = 0; y < height; ++y) {
432 for (unsigned x = 0; x < width; ++x) {
433 fprintf(stderr, "%7.4f ", result[y * width + x]);
435 fprintf(stderr, "\n");
440 void expect_equal(const unsigned char *ref, const unsigned char *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
445 float *ref_float = new float[width * height];
446 float *result_float = new float[width * height];
448 for (unsigned y = 0; y < height; ++y) {
449 for (unsigned x = 0; x < width; ++x) {
450 ref_float[y * width + x] = ref[y * width + x];
451 result_float[y * width + x] = result[y * width + x];
455 expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
458 delete[] result_float;
461 void expect_equal(const uint16_t *ref, const uint16_t *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
466 float *ref_float = new float[width * height];
467 float *result_float = new float[width * height];
469 for (unsigned y = 0; y < height; ++y) {
470 for (unsigned x = 0; x < width; ++x) {
471 ref_float[y * width + x] = ref[y * width + x];
472 result_float[y * width + x] = result[y * width + x];
476 expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
479 delete[] result_float;
482 void expect_equal(const int *ref, const int *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
487 float *ref_float = new float[width * height];
488 float *result_float = new float[width * height];
490 for (unsigned y = 0; y < height; ++y) {
491 for (unsigned x = 0; x < width; ++x) {
492 ref_float[y * width + x] = ref[y * width + x];
493 result_float[y * width + x] = result[y * width + x];
497 expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
500 delete[] result_float;
503 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)
505 double squared_difference = 0.0;
506 for (unsigned i = 0; i < num_values; ++i) {
507 double absolute_error = fabs(expected[i] - result[i]);
508 squared_difference += absolute_error * absolute_error;
509 EXPECT_LT(absolute_error, absolute_error_limit);
511 if (expected[i] > 0.0) {
512 double relative_error = fabs(absolute_error / expected[i]);
514 EXPECT_LT(relative_error, relative_error_limit);
516 if (i < num_values - 1) {
517 double delta = expected[i + 1] - expected[i];
518 double local_relative_error = fabs(absolute_error / delta);
519 EXPECT_LT(local_relative_error, local_relative_error_limit);
522 double rms = sqrt(squared_difference) / num_values;
523 EXPECT_LT(rms, rms_limit);
526 double srgb_to_linear(double x)
528 // From the Wikipedia article on sRGB.
532 return pow((x + 0.055) / 1.055, 2.4);
536 double linear_to_srgb(double x)
538 // From the Wikipedia article on sRGB.
542 return 1.055 * pow(x, 1.0 / 2.4) - 0.055;
546 DisableComputeShadersTemporarily::DisableComputeShadersTemporarily(bool disable_compute_shaders)
547 : disable_compute_shaders(disable_compute_shaders)
549 init_movit_for_test();
550 saved_compute_shaders_supported = movit_compute_shaders_supported;
551 if (disable_compute_shaders) {
552 movit_compute_shaders_supported = false;
556 DisableComputeShadersTemporarily::~DisableComputeShadersTemporarily()
558 movit_compute_shaders_supported = saved_compute_shaders_supported;
561 bool DisableComputeShadersTemporarily::should_skip()
563 if (disable_compute_shaders) {
567 if (!movit_compute_shaders_supported) {
568 fprintf(stderr, "Compute shaders not supported; skipping.\n");
574 #ifdef HAVE_BENCHMARK
575 bool DisableComputeShadersTemporarily::should_skip(benchmark::State *benchmark_state)
577 if (disable_compute_shaders) {
581 if (!movit_compute_shaders_supported) {
582 benchmark_state->SkipWithError("Compute shaders not supported");