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}, format, color_space, gamma_curve, alpha_format);
135 void EffectChainTester::run(const std::vector<float *> &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
137 internal_run<float>(out_data, format, color_space, gamma_curve, alpha_format);
140 void EffectChainTester::run(unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
142 internal_run<unsigned char>({out_data}, format, color_space, gamma_curve, alpha_format);
145 void EffectChainTester::run(const std::vector<unsigned char *> &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
147 internal_run<unsigned char>(out_data, format, color_space, gamma_curve, alpha_format);
150 void EffectChainTester::run(uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
152 internal_run<uint16_t>({out_data}, format, color_space, gamma_curve, alpha_format);
155 void EffectChainTester::run_10_10_10_2(uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
157 internal_run<uint32_t>({out_data}, format, color_space, gamma_curve, alpha_format);
160 #ifdef HAVE_BENCHMARK
162 void EffectChainTester::benchmark(benchmark::State &state, float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
164 internal_run<float>({out_data}, format, color_space, gamma_curve, alpha_format, &state);
167 void EffectChainTester::benchmark(benchmark::State &state, const std::vector<float *> &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
169 internal_run<float>(out_data, format, color_space, gamma_curve, alpha_format, &state);
172 void EffectChainTester::benchmark(benchmark::State &state, fp16_int_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
174 internal_run<fp16_int_t>({out_data}, format, color_space, gamma_curve, alpha_format, &state);
177 void EffectChainTester::benchmark(benchmark::State &state, const std::vector<fp16_int_t *> &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
179 internal_run<fp16_int_t>(out_data, format, color_space, gamma_curve, alpha_format, &state);
182 void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
184 internal_run<unsigned char>({out_data}, format, color_space, gamma_curve, alpha_format, &state);
187 void EffectChainTester::benchmark(benchmark::State &state, const std::vector<unsigned char *> &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
189 internal_run<unsigned char>(out_data, format, color_space, gamma_curve, alpha_format, &state);
192 void EffectChainTester::benchmark(benchmark::State &state, uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
194 internal_run<uint16_t>({out_data}, format, color_space, gamma_curve, alpha_format, &state);
197 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)
199 internal_run<uint32_t>({out_data}, format, color_space, gamma_curve, alpha_format, &state);
205 void EffectChainTester::internal_run(const std::vector<T *> &out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format
206 #ifdef HAVE_BENCHMARK
207 , benchmark::State *benchmark_state
212 finalize_chain(color_space, gamma_curve, alpha_format);
216 if (framebuffer_format == GL_RGBA8) {
217 type = GL_UNSIGNED_BYTE;
218 } else if (framebuffer_format == GL_RGBA16) {
219 type = GL_UNSIGNED_SHORT;
220 } else if (framebuffer_format == GL_RGBA16F && sizeof(T) == 2) {
221 type = GL_HALF_FLOAT;
222 } else if (framebuffer_format == GL_RGBA16F || framebuffer_format == GL_RGBA32F) {
224 } else if (framebuffer_format == GL_RGB10_A2) {
225 type = GL_UNSIGNED_INT_2_10_10_10_REV;
227 // Add more here as needed.
231 glActiveTexture(GL_TEXTURE0);
234 vector<EffectChain::DestinationTexture> textures;
235 for (unsigned i = 0; i < out_data.size(); ++i) {
236 GLuint texnum = chain.get_resource_pool()->create_2d_texture(framebuffer_format, width, height);
237 textures.push_back(EffectChain::DestinationTexture{texnum, framebuffer_format});
239 // The output texture needs to have valid state to be written to by a compute shader.
240 glBindTexture(GL_TEXTURE_2D, texnum);
242 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
246 chain.render_to_texture(textures, width, height);
248 #ifdef HAVE_BENCHMARK
249 // If running benchmarks: Now we've warmed up everything, so let's run the
250 // actual benchmark loop.
251 if (benchmark_state != nullptr) {
253 size_t iters = benchmark_state->max_iterations;
254 for (auto _ : *benchmark_state) {
255 chain.render_to_texture(textures, width, height);
260 benchmark_state->SetItemsProcessed(benchmark_state->iterations() * width * height);
264 for (unsigned i = 0; i < out_data.size(); ++i) {
265 T *ptr = out_data[i];
266 glBindTexture(GL_TEXTURE_2D, textures[i].texnum);
268 if (!epoxy_is_desktop_gl() && (format == GL_RED || format == GL_BLUE || format == GL_ALPHA)) {
269 // GLES will only read GL_RGBA.
270 std::unique_ptr<T[]> temp(new T[width * height * 4]);
271 glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, type, temp.get());
273 if (format == GL_ALPHA) {
274 for (unsigned j = 0; j < width * height; ++j) {
275 ptr[j] = temp[j * 4 + 3];
277 } else if (format == GL_BLUE) {
278 for (unsigned j = 0; j < width * height; ++j) {
279 ptr[j] = temp[j * 4 + 2];
282 for (unsigned j = 0; j < width * height; ++j) {
283 ptr[j] = temp[j * 4];
287 glGetTexImage(GL_TEXTURE_2D, 0, format, type, ptr);
291 if (format == GL_RGBA && (type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_SHORT || type == GL_FLOAT)) {
292 vertical_flip(ptr, width * 4, height);
294 vertical_flip(ptr, width, height);
298 for (unsigned i = 0; i < out_data.size(); ++i) {
299 chain.get_resource_pool()->release_2d_texture(textures[i].texnum);
303 void EffectChainTester::add_output(const ImageFormat &format, OutputAlphaFormat alpha_format)
305 chain.add_output(format, alpha_format);
309 void EffectChainTester::add_ycbcr_output(const ImageFormat &format, OutputAlphaFormat alpha_format, const YCbCrFormat &ycbcr_format, YCbCrOutputSplitting output_splitting, GLenum type)
311 chain.add_ycbcr_output(format, alpha_format, ycbcr_format, output_splitting, type);
315 void EffectChainTester::finalize_chain(Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
319 ImageFormat image_format;
320 image_format.color_space = color_space;
321 image_format.gamma_curve = gamma_curve;
322 chain.add_output(image_format, alpha_format);
329 void expect_equal(const float *ref, const float *result, unsigned width, unsigned height, float largest_difference_limit, float rms_limit)
331 float largest_difference = -1.0f;
332 float squared_difference = 0.0f;
333 int largest_diff_x = -1, largest_diff_y = -1;
335 for (unsigned y = 0; y < height; ++y) {
336 for (unsigned x = 0; x < width; ++x) {
337 float diff = ref[y * width + x] - result[y * width + x];
338 if (fabs(diff) > largest_difference) {
339 largest_difference = fabs(diff);
343 squared_difference += diff * diff;
347 EXPECT_LT(largest_difference, largest_difference_limit)
348 << "Largest difference is in x=" << largest_diff_x << ", y=" << largest_diff_y << ":\n"
349 << "Reference: " << ref[largest_diff_y * width + largest_diff_x] << "\n"
350 << "Result: " << result[largest_diff_y * width + largest_diff_x];
352 float rms = sqrt(squared_difference) / (width * height);
353 EXPECT_LT(rms, rms_limit);
355 if (largest_difference >= largest_difference_limit || isnan(rms) || rms >= rms_limit) {
356 fprintf(stderr, "Dumping matrices for easier debugging, since at least one test failed.\n");
358 fprintf(stderr, "Reference:\n");
359 for (unsigned y = 0; y < height; ++y) {
360 for (unsigned x = 0; x < width; ++x) {
361 fprintf(stderr, "%7.4f ", ref[y * width + x]);
363 fprintf(stderr, "\n");
366 fprintf(stderr, "\nResult:\n");
367 for (unsigned y = 0; y < height; ++y) {
368 for (unsigned x = 0; x < width; ++x) {
369 fprintf(stderr, "%7.4f ", result[y * width + x]);
371 fprintf(stderr, "\n");
376 void expect_equal(const unsigned char *ref, const unsigned char *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
381 float *ref_float = new float[width * height];
382 float *result_float = new float[width * height];
384 for (unsigned y = 0; y < height; ++y) {
385 for (unsigned x = 0; x < width; ++x) {
386 ref_float[y * width + x] = ref[y * width + x];
387 result_float[y * width + x] = result[y * width + x];
391 expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
394 delete[] result_float;
397 void expect_equal(const uint16_t *ref, const uint16_t *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
402 float *ref_float = new float[width * height];
403 float *result_float = new float[width * height];
405 for (unsigned y = 0; y < height; ++y) {
406 for (unsigned x = 0; x < width; ++x) {
407 ref_float[y * width + x] = ref[y * width + x];
408 result_float[y * width + x] = result[y * width + x];
412 expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
415 delete[] result_float;
418 void expect_equal(const int *ref, const int *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
423 float *ref_float = new float[width * height];
424 float *result_float = new float[width * height];
426 for (unsigned y = 0; y < height; ++y) {
427 for (unsigned x = 0; x < width; ++x) {
428 ref_float[y * width + x] = ref[y * width + x];
429 result_float[y * width + x] = result[y * width + x];
433 expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
436 delete[] result_float;
439 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)
441 double squared_difference = 0.0;
442 for (unsigned i = 0; i < num_values; ++i) {
443 double absolute_error = fabs(expected[i] - result[i]);
444 squared_difference += absolute_error * absolute_error;
445 EXPECT_LT(absolute_error, absolute_error_limit);
447 if (expected[i] > 0.0) {
448 double relative_error = fabs(absolute_error / expected[i]);
450 EXPECT_LT(relative_error, relative_error_limit);
452 if (i < num_values - 1) {
453 double delta = expected[i + 1] - expected[i];
454 double local_relative_error = fabs(absolute_error / delta);
455 EXPECT_LT(local_relative_error, local_relative_error_limit);
458 double rms = sqrt(squared_difference) / num_values;
459 EXPECT_LT(rms, rms_limit);
462 double srgb_to_linear(double x)
464 // From the Wikipedia article on sRGB.
468 return pow((x + 0.055) / 1.055, 2.4);
472 double linear_to_srgb(double x)
474 // From the Wikipedia article on sRGB.
478 return 1.055 * pow(x, 1.0 / 2.4) - 0.055;
482 DisableComputeShadersTemporarily::DisableComputeShadersTemporarily(bool disable_compute_shaders)
483 : disable_compute_shaders(disable_compute_shaders)
485 init_movit_for_test();
486 saved_compute_shaders_supported = movit_compute_shaders_supported;
487 if (disable_compute_shaders) {
488 movit_compute_shaders_supported = false;
492 DisableComputeShadersTemporarily::~DisableComputeShadersTemporarily()
494 movit_compute_shaders_supported = saved_compute_shaders_supported;
497 bool DisableComputeShadersTemporarily::should_skip()
499 if (disable_compute_shaders) {
503 if (!movit_compute_shaders_supported) {
504 fprintf(stderr, "Compute shaders not supported; skipping.\n");
510 #ifdef HAVE_BENCHMARK
511 bool DisableComputeShadersTemporarily::should_skip(benchmark::State *benchmark_state)
513 if (disable_compute_shaders) {
517 if (!movit_compute_shaders_supported) {
518 benchmark_state->SkipWithError("Compute shaders not supported");