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 CHECK(init_movit(".", MOVIT_DEBUG_OFF));
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 unsigned char *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_UNSIGNED_BYTE, input_width, input_height);
106 input->set_pixel_data(data);
107 chain.add_input(input);
111 void EffectChainTester::run(float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
113 internal_run<float>(out_data, nullptr, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
116 void EffectChainTester::run(float *out_data, float *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
118 internal_run<float>(out_data, out_data2, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
121 void EffectChainTester::run(float *out_data, float *out_data2, float *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
123 internal_run<float>(out_data, out_data2, out_data3, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
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)
128 internal_run(out_data, out_data2, out_data3, out_data4, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
131 void EffectChainTester::run(unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
133 internal_run<unsigned char>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
136 void EffectChainTester::run(unsigned char *out_data, unsigned char *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
138 internal_run<unsigned char>(out_data, out_data2, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
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)
143 internal_run<unsigned char>(out_data, out_data2, out_data3, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
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)
148 internal_run(out_data, out_data2, out_data3, out_data4, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
151 void EffectChainTester::run(uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
153 internal_run<uint16_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_SHORT, format, color_space, gamma_curve, alpha_format);
156 void EffectChainTester::run_10_10_10_2(uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
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);
161 #ifdef HAVE_BENCHMARK
163 void EffectChainTester::benchmark(benchmark::State &state, float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
165 internal_run<float>(out_data, nullptr, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
168 void EffectChainTester::benchmark(benchmark::State &state, float *out_data, float *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
170 internal_run<float>(out_data, out_data2, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
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)
175 internal_run<float>(out_data, out_data2, out_data3, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
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)
180 internal_run(out_data, out_data2, out_data3, out_data4, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
183 void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
185 internal_run<unsigned char>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
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)
190 internal_run<unsigned char>(out_data, out_data2, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
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)
195 internal_run<unsigned char>(out_data, out_data2, out_data3, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
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)
200 internal_run(out_data, out_data2, out_data3, out_data4, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
203 void EffectChainTester::benchmark(benchmark::State &state, uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
205 internal_run<uint16_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_SHORT, format, color_space, gamma_curve, alpha_format, &state);
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)
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);
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
223 finalize_chain(color_space, gamma_curve, alpha_format);
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) {
233 } else if (framebuffer_format == GL_RGB10_A2) {
234 type = GL_UNSIGNED_INT_2_10_10_10_REV;
236 // Add more here as needed.
240 unsigned num_outputs;
241 if (out_data4 != nullptr) {
243 } else if (out_data3 != nullptr) {
245 } else if (out_data2 != nullptr) {
251 glActiveTexture(GL_TEXTURE0);
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});
259 // The output texture needs to have valid state to be written to by a compute shader.
260 glBindTexture(GL_TEXTURE_2D, texnum);
262 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
266 chain.render_to_texture(textures, width, height);
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) {
273 size_t iters = benchmark_state->max_iterations;
274 for (auto _ : *benchmark_state) {
275 chain.render_to_texture(textures, width, height);
280 benchmark_state->SetItemsProcessed(benchmark_state->iterations() * width * height);
284 T *data[4] = { out_data, out_data2, out_data3, out_data4 };
286 for (unsigned i = 0; i < num_outputs; ++i) {
288 glBindTexture(GL_TEXTURE_2D, textures[i].texnum);
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);
295 if (format == GL_ALPHA) {
296 for (unsigned i = 0; i < width * height; ++i) {
297 ptr[i] = temp[i * 4 + 3];
299 } else if (format == GL_BLUE) {
300 for (unsigned i = 0; i < width * height; ++i) {
301 ptr[i] = temp[i * 4 + 2];
304 for (unsigned i = 0; i < width * height; ++i) {
305 ptr[i] = temp[i * 4];
310 glGetTexImage(GL_TEXTURE_2D, 0, format, type, ptr);
314 if (format == GL_RGBA && (type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_SHORT || type == GL_FLOAT)) {
315 vertical_flip(ptr, width * 4, height);
317 vertical_flip(ptr, width, height);
321 for (unsigned i = 0; i < num_outputs; ++i) {
322 chain.get_resource_pool()->release_2d_texture(textures[i].texnum);
326 void EffectChainTester::add_output(const ImageFormat &format, OutputAlphaFormat alpha_format)
328 chain.add_output(format, alpha_format);
332 void EffectChainTester::add_ycbcr_output(const ImageFormat &format, OutputAlphaFormat alpha_format, const YCbCrFormat &ycbcr_format, YCbCrOutputSplitting output_splitting, GLenum type)
334 chain.add_ycbcr_output(format, alpha_format, ycbcr_format, output_splitting, type);
338 void EffectChainTester::finalize_chain(Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
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);
352 void expect_equal(const float *ref, const float *result, unsigned width, unsigned height, float largest_difference_limit, float rms_limit)
354 float largest_difference = -1.0f;
355 float squared_difference = 0.0f;
356 int largest_diff_x = -1, largest_diff_y = -1;
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);
366 squared_difference += diff * diff;
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];
375 float rms = sqrt(squared_difference) / (width * height);
376 EXPECT_LT(rms, rms_limit);
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");
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]);
386 fprintf(stderr, "\n");
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]);
394 fprintf(stderr, "\n");
399 void expect_equal(const unsigned char *ref, const unsigned char *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
404 float *ref_float = new float[width * height];
405 float *result_float = new float[width * height];
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];
414 expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
417 delete[] result_float;
420 void expect_equal(const uint16_t *ref, const uint16_t *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
425 float *ref_float = new float[width * height];
426 float *result_float = new float[width * height];
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];
435 expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
438 delete[] result_float;
441 void expect_equal(const int *ref, const int *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
446 float *ref_float = new float[width * height];
447 float *result_float = new float[width * height];
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];
456 expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
459 delete[] result_float;
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)
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);
470 if (expected[i] > 0.0) {
471 double relative_error = fabs(absolute_error / expected[i]);
473 EXPECT_LT(relative_error, relative_error_limit);
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);
481 double rms = sqrt(squared_difference) / num_values;
482 EXPECT_LT(rms, rms_limit);
485 double srgb_to_linear(double x)
487 // From the Wikipedia article on sRGB.
491 return pow((x + 0.055) / 1.055, 2.4);
495 double linear_to_srgb(double x)
497 // From the Wikipedia article on sRGB.
501 return 1.055 * pow(x, 1.0 / 2.4) - 0.055;
505 DisableComputeShadersTemporarily::DisableComputeShadersTemporarily(bool disable_compute_shaders)
506 : disable_compute_shaders(disable_compute_shaders)
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;
515 DisableComputeShadersTemporarily::~DisableComputeShadersTemporarily()
517 movit_compute_shaders_supported = saved_compute_shaders_supported;
520 bool DisableComputeShadersTemporarily::should_skip()
522 if (disable_compute_shaders) {
526 if (!movit_compute_shaders_supported) {
527 fprintf(stderr, "Compute shaders not supported; skipping.\n");
533 #ifdef HAVE_BENCHMARK
534 bool DisableComputeShadersTemporarily::should_skip(benchmark::State *benchmark_state)
536 if (disable_compute_shaders) {
540 if (!movit_compute_shaders_supported) {
541 benchmark_state->SkipWithError("Compute shaders not supported");