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]);
47 EffectChainTester::EffectChainTester(const float *data, unsigned width, unsigned height,
48 MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve,
49 GLenum framebuffer_format)
50 : chain(width, height, get_static_pool()),
53 framebuffer_format(framebuffer_format),
57 CHECK(init_movit(".", MOVIT_DEBUG_OFF));
59 if (data != nullptr) {
60 add_input(data, pixel_format, color_space, gamma_curve);
64 EffectChainTester::~EffectChainTester()
68 Input *EffectChainTester::add_input(const float *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width, int input_height)
71 format.color_space = color_space;
72 format.gamma_curve = gamma_curve;
74 if (input_width == -1) {
77 if (input_height == -1) {
78 input_height = height;
81 FlatInput *input = new FlatInput(format, pixel_format, GL_FLOAT, input_width, input_height);
82 input->set_pixel_data(data);
83 chain.add_input(input);
87 Input *EffectChainTester::add_input(const unsigned char *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width, int input_height)
90 format.color_space = color_space;
91 format.gamma_curve = gamma_curve;
93 if (input_width == -1) {
96 if (input_height == -1) {
97 input_height = height;
100 FlatInput *input = new FlatInput(format, pixel_format, GL_UNSIGNED_BYTE, input_width, input_height);
101 input->set_pixel_data(data);
102 chain.add_input(input);
106 void EffectChainTester::run(float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
108 internal_run<float>(out_data, nullptr, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
111 void EffectChainTester::run(float *out_data, float *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
113 internal_run<float>(out_data, out_data2, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
116 void EffectChainTester::run(float *out_data, float *out_data2, float *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
118 internal_run<float>(out_data, out_data2, out_data3, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
121 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)
123 internal_run(out_data, out_data2, out_data3, out_data4, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
126 void EffectChainTester::run(unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
128 internal_run<unsigned char>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
131 void EffectChainTester::run(unsigned char *out_data, unsigned char *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
133 internal_run<unsigned char>(out_data, out_data2, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
136 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)
138 internal_run<unsigned char>(out_data, out_data2, out_data3, 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, unsigned char *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
143 internal_run(out_data, out_data2, out_data3, out_data4, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
146 void EffectChainTester::run(uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
148 internal_run<uint16_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_SHORT, format, color_space, gamma_curve, alpha_format);
151 void EffectChainTester::run_10_10_10_2(uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
153 internal_run<uint32_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_INT_2_10_10_10_REV, format, color_space, gamma_curve, alpha_format);
156 #ifdef HAVE_BENCHMARK
158 void EffectChainTester::benchmark(benchmark::State &state, float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
160 internal_run<float>(out_data, nullptr, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
163 void EffectChainTester::benchmark(benchmark::State &state, float *out_data, float *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
165 internal_run<float>(out_data, out_data2, 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, float *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
170 internal_run<float>(out_data, out_data2, out_data3, 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, float *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
175 internal_run(out_data, out_data2, out_data3, out_data4, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
178 void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
180 internal_run<unsigned char>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
183 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)
185 internal_run<unsigned char>(out_data, out_data2, 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, unsigned char *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
190 internal_run<unsigned char>(out_data, out_data2, out_data3, 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, unsigned char *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
195 internal_run(out_data, out_data2, out_data3, out_data4, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
198 void EffectChainTester::benchmark(benchmark::State &state, uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
200 internal_run<uint16_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_SHORT, format, color_space, gamma_curve, alpha_format, &state);
203 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)
205 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 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
212 #ifdef HAVE_BENCHMARK
213 , benchmark::State *benchmark_state
218 finalize_chain(color_space, gamma_curve, alpha_format);
222 if (framebuffer_format == GL_RGBA8) {
223 type = GL_UNSIGNED_BYTE;
224 } else if (framebuffer_format == GL_RGBA16) {
225 type = GL_UNSIGNED_SHORT;
226 } else if (framebuffer_format == GL_RGBA16F || framebuffer_format == GL_RGBA32F) {
228 } else if (framebuffer_format == GL_RGB10_A2) {
229 type = GL_UNSIGNED_INT_2_10_10_10_REV;
231 // Add more here as needed.
235 unsigned num_outputs;
236 if (out_data4 != nullptr) {
238 } else if (out_data3 != nullptr) {
240 } else if (out_data2 != nullptr) {
246 GLuint fbo, texnum[4];
248 glGenTextures(num_outputs, texnum);
250 for (unsigned i = 0; i < num_outputs; ++i) {
251 glBindTexture(GL_TEXTURE_2D, texnum[i]);
253 glTexImage2D(GL_TEXTURE_2D, 0, framebuffer_format, width, height, 0, GL_RGBA, type, nullptr);
257 glGenFramebuffers(1, &fbo);
259 glBindFramebuffer(GL_FRAMEBUFFER, fbo);
261 for (unsigned i = 0; i < num_outputs; ++i) {
262 glFramebufferTexture2D(
264 GL_COLOR_ATTACHMENT0 + i,
271 GLenum bufs[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1, GL_COLOR_ATTACHMENT2, GL_COLOR_ATTACHMENT3 };
272 glDrawBuffers(num_outputs, bufs);
274 chain.render_to_fbo(fbo, width, height);
276 #ifdef HAVE_BENCHMARK
277 // If running benchmarks: Now we've warmed up everything, so let's run the
278 // actual benchmark loop.
279 if (benchmark_state != nullptr) {
281 size_t iters = benchmark_state->max_iterations;
282 for (auto _ : *benchmark_state) {
283 chain.render_to_fbo(fbo, width, height);
288 benchmark_state->SetItemsProcessed(benchmark_state->iterations() * width * height);
292 T *data[4] = { out_data, out_data2, out_data3, out_data4 };
294 glBindFramebuffer(GL_FRAMEBUFFER, fbo);
296 for (unsigned i = 0; i < num_outputs; ++i) {
298 glReadBuffer(GL_COLOR_ATTACHMENT0 + i);
299 if (!epoxy_is_desktop_gl() && (format == GL_RED || format == GL_BLUE || format == GL_ALPHA)) {
300 // GLES will only read GL_RGBA.
301 T *temp = new T[width * height * 4];
302 glReadPixels(0, 0, width, height, GL_RGBA, internal_format, temp);
304 if (format == GL_ALPHA) {
305 for (unsigned i = 0; i < width * height; ++i) {
306 ptr[i] = temp[i * 4 + 3];
308 } else if (format == GL_BLUE) {
309 for (unsigned i = 0; i < width * height; ++i) {
310 ptr[i] = temp[i * 4 + 2];
313 for (unsigned i = 0; i < width * height; ++i) {
314 ptr[i] = temp[i * 4];
319 glReadPixels(0, 0, width, height, format, internal_format, ptr);
323 if (format == GL_RGBA && (type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_SHORT || type == GL_FLOAT)) {
324 vertical_flip(ptr, width * 4, height);
326 vertical_flip(ptr, width, height);
330 glDeleteFramebuffers(1, &fbo);
332 glDeleteTextures(num_outputs, texnum);
336 void EffectChainTester::add_output(const ImageFormat &format, OutputAlphaFormat alpha_format)
338 chain.add_output(format, alpha_format);
342 void EffectChainTester::add_ycbcr_output(const ImageFormat &format, OutputAlphaFormat alpha_format, const YCbCrFormat &ycbcr_format, YCbCrOutputSplitting output_splitting, GLenum type)
344 chain.add_ycbcr_output(format, alpha_format, ycbcr_format, output_splitting, type);
348 void EffectChainTester::finalize_chain(Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
352 ImageFormat image_format;
353 image_format.color_space = color_space;
354 image_format.gamma_curve = gamma_curve;
355 chain.add_output(image_format, alpha_format);
362 void expect_equal(const float *ref, const float *result, unsigned width, unsigned height, float largest_difference_limit, float rms_limit)
364 float largest_difference = -1.0f;
365 float squared_difference = 0.0f;
366 int largest_diff_x = -1, largest_diff_y = -1;
368 for (unsigned y = 0; y < height; ++y) {
369 for (unsigned x = 0; x < width; ++x) {
370 float diff = ref[y * width + x] - result[y * width + x];
371 if (fabs(diff) > largest_difference) {
372 largest_difference = fabs(diff);
376 squared_difference += diff * diff;
380 EXPECT_LT(largest_difference, largest_difference_limit)
381 << "Largest difference is in x=" << largest_diff_x << ", y=" << largest_diff_y << ":\n"
382 << "Reference: " << ref[largest_diff_y * width + largest_diff_x] << "\n"
383 << "Result: " << result[largest_diff_y * width + largest_diff_x];
385 float rms = sqrt(squared_difference) / (width * height);
386 EXPECT_LT(rms, rms_limit);
388 if (largest_difference >= largest_difference_limit || rms >= rms_limit) {
389 fprintf(stderr, "Dumping matrices for easier debugging, since at least one test failed.\n");
391 fprintf(stderr, "Reference:\n");
392 for (unsigned y = 0; y < height; ++y) {
393 for (unsigned x = 0; x < width; ++x) {
394 fprintf(stderr, "%7.4f ", ref[y * width + x]);
396 fprintf(stderr, "\n");
399 fprintf(stderr, "\nResult:\n");
400 for (unsigned y = 0; y < height; ++y) {
401 for (unsigned x = 0; x < width; ++x) {
402 fprintf(stderr, "%7.4f ", result[y * width + x]);
404 fprintf(stderr, "\n");
409 void expect_equal(const unsigned char *ref, const unsigned char *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
414 float *ref_float = new float[width * height];
415 float *result_float = new float[width * height];
417 for (unsigned y = 0; y < height; ++y) {
418 for (unsigned x = 0; x < width; ++x) {
419 ref_float[y * width + x] = ref[y * width + x];
420 result_float[y * width + x] = result[y * width + x];
424 expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
427 delete[] result_float;
430 void expect_equal(const uint16_t *ref, const uint16_t *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
435 float *ref_float = new float[width * height];
436 float *result_float = new float[width * height];
438 for (unsigned y = 0; y < height; ++y) {
439 for (unsigned x = 0; x < width; ++x) {
440 ref_float[y * width + x] = ref[y * width + x];
441 result_float[y * width + x] = result[y * width + x];
445 expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
448 delete[] result_float;
451 void expect_equal(const int *ref, const int *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
456 float *ref_float = new float[width * height];
457 float *result_float = new float[width * height];
459 for (unsigned y = 0; y < height; ++y) {
460 for (unsigned x = 0; x < width; ++x) {
461 ref_float[y * width + x] = ref[y * width + x];
462 result_float[y * width + x] = result[y * width + x];
466 expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
469 delete[] result_float;
472 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)
474 double squared_difference = 0.0;
475 for (unsigned i = 0; i < num_values; ++i) {
476 double absolute_error = fabs(expected[i] - result[i]);
477 squared_difference += absolute_error * absolute_error;
478 EXPECT_LT(absolute_error, absolute_error_limit);
480 if (expected[i] > 0.0) {
481 double relative_error = fabs(absolute_error / expected[i]);
483 EXPECT_LT(relative_error, relative_error_limit);
485 if (i < num_values - 1) {
486 double delta = expected[i + 1] - expected[i];
487 double local_relative_error = fabs(absolute_error / delta);
488 EXPECT_LT(local_relative_error, local_relative_error_limit);
491 double rms = sqrt(squared_difference) / num_values;
492 EXPECT_LT(rms, rms_limit);
495 double srgb_to_linear(double x)
497 // From the Wikipedia article on sRGB.
501 return pow((x + 0.055) / 1.055, 2.4);
505 double linear_to_srgb(double x)
507 // From the Wikipedia article on sRGB.
511 return 1.055 * pow(x, 1.0 / 2.4) - 0.055;