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diff --git a/src/tests/bench.c b/src/tests/bench.c
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+++ b/src/tests/bench.c
@@ -0,0 +1,550 @@
+#include "tests.h"
+
+#include <libplacebo/dispatch.h>
+#include <libplacebo/vulkan.h>
+#include <libplacebo/shaders/colorspace.h>
+#include <libplacebo/shaders/deinterlacing.h>
+#include <libplacebo/shaders/sampling.h>
+
+enum {
+ // Image configuration
+ NUM_TEX = 16,
+ WIDTH = 2048,
+ HEIGHT = 2048,
+ DEPTH = 16,
+ COMPS = 4,
+
+ // Queue configuration
+ NUM_QUEUES = NUM_TEX,
+ ASYNC_TX = 1,
+ ASYNC_COMP = 1,
+
+ // Test configuration
+ TEST_MS = 1000,
+ WARMUP_MS = 500,
+};
+
+static pl_tex create_test_img(pl_gpu gpu)
+{
+ pl_fmt fmt = pl_find_fmt(gpu, PL_FMT_FLOAT, COMPS, DEPTH, 32, PL_FMT_CAP_LINEAR);
+ REQUIRE(fmt);
+
+ const float xc = (WIDTH - 1) / 2.0f;
+ const float yc = (HEIGHT - 1) / 2.0f;
+ const float kf = 0.5f / sqrtf(xc * xc + yc * yc);
+ const float invphi = 0.61803398874989;
+ const float freqR = kf * M_PI * 0.2f;
+ const float freqG = freqR * invphi;
+ const float freqB = freqG * invphi;
+ float *data = malloc(WIDTH * HEIGHT * COMPS * sizeof(float));
+ for (int y = 0; y < HEIGHT; y++) {
+ for (int x = 0; x < WIDTH; x++) {
+ float *color = &data[(y * WIDTH + x) * COMPS];
+ float xx = x - xc, yy = y - yc;
+ float r2 = xx * xx + yy * yy;
+ switch (COMPS) {
+ case 4: color[3] = 1.0;
+ case 3: color[2] = 0.5f * sinf(freqB * r2) + 0.5f;;
+ case 2: color[1] = 0.5f * sinf(freqG * r2) + 0.5f;;
+ case 1: color[0] = 0.5f * sinf(freqR * r2) + 0.5f;;
+ }
+ }
+ }
+
+ pl_tex tex = pl_tex_create(gpu, pl_tex_params(
+ .format = fmt,
+ .w = WIDTH,
+ .h = HEIGHT,
+ .sampleable = true,
+ .initial_data = data,
+ ));
+
+ free(data);
+ REQUIRE(tex);
+ return tex;
+}
+
+struct bench {
+ void (*run_sh)(pl_shader sh, pl_shader_obj *state,
+ pl_tex src);
+
+ void (*run_tex)(pl_gpu gpu, pl_tex tex);
+};
+
+static void run_bench(pl_gpu gpu, pl_dispatch dp,
+ pl_shader_obj *state, pl_tex src,
+ pl_tex fbo, pl_timer timer,
+ const struct bench *bench)
+{
+ REQUIRE(bench);
+ REQUIRE(bench->run_sh || bench->run_tex);
+ if (bench->run_sh) {
+ pl_shader sh = pl_dispatch_begin(dp);
+ bench->run_sh(sh, state, src);
+
+ pl_dispatch_finish(dp, pl_dispatch_params(
+ .shader = &sh,
+ .target = fbo,
+ .timer = timer,
+ ));
+ } else {
+ bench->run_tex(gpu, fbo);
+ }
+}
+
+static void benchmark(pl_gpu gpu, const char *name,
+ const struct bench *bench)
+{
+ pl_dispatch dp = pl_dispatch_create(gpu->log, gpu);
+ REQUIRE(dp);
+ pl_shader_obj state = NULL;
+ pl_tex src = create_test_img(gpu);
+
+ // Create the FBOs
+ pl_fmt fmt = pl_find_fmt(gpu, PL_FMT_FLOAT, COMPS, DEPTH, 32,
+ PL_FMT_CAP_RENDERABLE | PL_FMT_CAP_BLITTABLE);
+ REQUIRE(fmt);
+
+ pl_tex fbos[NUM_TEX] = {0};
+ for (int i = 0; i < NUM_TEX; i++) {
+ fbos[i] = pl_tex_create(gpu, pl_tex_params(
+ .format = fmt,
+ .w = WIDTH,
+ .h = HEIGHT,
+ .renderable = true,
+ .blit_dst = true,
+ .host_writable = true,
+ .host_readable = true,
+ .storable = !!(fmt->caps & PL_FMT_CAP_STORABLE),
+ ));
+ REQUIRE(fbos[i]);
+
+ pl_tex_clear(gpu, fbos[i], (float[4]){ 0.0 });
+ }
+
+ // Run the benchmark and flush+block once to force shader compilation etc.
+ run_bench(gpu, dp, &state, src, fbos[0], NULL, bench);
+ pl_gpu_finish(gpu);
+
+ // Perform the actual benchmark
+ pl_clock_t start_warmup = 0, start_test = 0;
+ unsigned long frames = 0, frames_warmup = 0;
+
+ pl_timer timer = pl_timer_create(gpu);
+ uint64_t gputime_total = 0;
+ unsigned long gputime_count = 0;
+ uint64_t gputime;
+
+ start_warmup = pl_clock_now();
+ do {
+ const int idx = frames % NUM_TEX;
+ while (pl_tex_poll(gpu, fbos[idx], UINT64_MAX))
+ ; // do nothing
+ run_bench(gpu, dp, &state, src, fbos[idx], start_test ? timer : NULL, bench);
+ pl_gpu_flush(gpu);
+ frames++;
+
+ if (start_test) {
+ while ((gputime = pl_timer_query(gpu, timer))) {
+ gputime_total += gputime;
+ gputime_count++;
+ }
+ }
+
+ pl_clock_t now = pl_clock_now();
+ if (start_test) {
+ if (pl_clock_diff(now, start_test) > TEST_MS * 1e-3)
+ break;
+ } else if (pl_clock_diff(now, start_warmup) > WARMUP_MS * 1e-3) {
+ start_test = now;
+ frames_warmup = frames;
+ }
+ } while (true);
+
+ // Force the GPU to finish execution and re-measure the final stop time
+ pl_gpu_finish(gpu);
+
+ pl_clock_t stop = pl_clock_now();
+ while ((gputime = pl_timer_query(gpu, timer))) {
+ gputime_total += gputime;
+ gputime_count++;
+ }
+
+ frames -= frames_warmup;
+ double secs = pl_clock_diff(stop, start_test);
+ printf("'%s':\t%4lu frames in %1.6f seconds => %2.6f ms/frame (%5.2f FPS)",
+ name, frames, secs, 1000 * secs / frames, frames / secs);
+ if (gputime_count)
+ printf(", gpu time: %2.6f ms", 1e-6 * gputime_total / gputime_count);
+ printf("\n");
+
+ pl_timer_destroy(gpu, &timer);
+ pl_shader_obj_destroy(&state);
+ pl_dispatch_destroy(&dp);
+ pl_tex_destroy(gpu, &src);
+ for (int i = 0; i < NUM_TEX; i++)
+ pl_tex_destroy(gpu, &fbos[i]);
+}
+
+// List of benchmarks
+static void bench_deband(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ pl_shader_deband(sh, pl_sample_src( .tex = src ), NULL);
+}
+
+static void bench_deband_heavy(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ pl_shader_deband(sh, pl_sample_src( .tex = src ), pl_deband_params(
+ .iterations = 4,
+ .threshold = 4.0,
+ .radius = 4.0,
+ .grain = 16.0,
+ ));
+}
+
+static void bench_bilinear(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ REQUIRE(pl_shader_sample_bilinear(sh, pl_sample_src( .tex = src )));
+}
+
+static void bench_bicubic(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ REQUIRE(pl_shader_sample_bicubic(sh, pl_sample_src( .tex = src )));
+}
+
+static void bench_hermite(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ REQUIRE(pl_shader_sample_hermite(sh, pl_sample_src( .tex = src )));
+}
+
+static void bench_gaussian(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ REQUIRE(pl_shader_sample_gaussian(sh, pl_sample_src( .tex = src )));
+}
+
+static void bench_dither_blue(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ REQUIRE(pl_shader_sample_direct(sh, pl_sample_src( .tex = src )));
+ pl_shader_dither(sh, 8, state, pl_dither_params(
+ .method = PL_DITHER_BLUE_NOISE,
+ ));
+}
+
+static void bench_dither_white(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ REQUIRE(pl_shader_sample_direct(sh, pl_sample_src( .tex = src )));
+ pl_shader_dither(sh, 8, state, pl_dither_params(
+ .method = PL_DITHER_WHITE_NOISE,
+ ));
+}
+
+static void bench_dither_ordered_fix(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ REQUIRE(pl_shader_sample_direct(sh, pl_sample_src( .tex = src )));
+ pl_shader_dither(sh, 8, state, pl_dither_params(
+ .method = PL_DITHER_ORDERED_FIXED,
+ ));
+}
+
+static void bench_polar(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ struct pl_sample_filter_params params = {
+ .filter = pl_filter_ewa_lanczos,
+ .lut = state,
+ };
+
+ REQUIRE(pl_shader_sample_polar(sh, pl_sample_src( .tex = src ), &params));
+}
+
+static void bench_polar_nocompute(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ struct pl_sample_filter_params params = {
+ .filter = pl_filter_ewa_lanczos,
+ .no_compute = true,
+ .lut = state,
+ };
+
+ REQUIRE(pl_shader_sample_polar(sh, pl_sample_src( .tex = src ), &params));
+}
+
+static void bench_hdr_peak(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ REQUIRE(pl_shader_sample_direct(sh, pl_sample_src( .tex = src )));
+ REQUIRE(pl_shader_detect_peak(sh, pl_color_space_hdr10, state, &pl_peak_detect_default_params));
+}
+
+static void bench_hdr_peak_hq(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ REQUIRE(pl_shader_sample_direct(sh, pl_sample_src( .tex = src )));
+ REQUIRE(pl_shader_detect_peak(sh, pl_color_space_hdr10, state, &pl_peak_detect_high_quality_params));
+}
+
+static void bench_hdr_lut(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ struct pl_color_map_params params = {
+ PL_COLOR_MAP_DEFAULTS
+ .tone_mapping_function = &pl_tone_map_bt2390,
+ .tone_mapping_mode = PL_TONE_MAP_RGB,
+ };
+
+ REQUIRE(pl_shader_sample_direct(sh, pl_sample_src( .tex = src )));
+ pl_shader_color_map_ex(sh, &params, pl_color_map_args(
+ .src = pl_color_space_hdr10,
+ .dst = pl_color_space_monitor,
+ .state = state,
+ ));
+}
+
+static void bench_hdr_clip(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ struct pl_color_map_params params = {
+ PL_COLOR_MAP_DEFAULTS
+ .tone_mapping_function = &pl_tone_map_clip,
+ .tone_mapping_mode = PL_TONE_MAP_RGB,
+ };
+
+ REQUIRE(pl_shader_sample_direct(sh, pl_sample_src( .tex = src )));
+ pl_shader_color_map_ex(sh, &params, pl_color_map_args(
+ .src = pl_color_space_hdr10,
+ .dst = pl_color_space_monitor,
+ .state = state,
+ ));
+}
+
+static void bench_weave(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ struct pl_deinterlace_source dsrc = {
+ .cur = pl_field_pair(src),
+ .field = PL_FIELD_TOP,
+ };
+
+ pl_shader_deinterlace(sh, &dsrc, pl_deinterlace_params(
+ .algo = PL_DEINTERLACE_WEAVE,
+ ));
+}
+
+static void bench_bob(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ struct pl_deinterlace_source dsrc = {
+ .cur = pl_field_pair(src),
+ .field = PL_FIELD_TOP,
+ };
+
+ pl_shader_deinterlace(sh, &dsrc, pl_deinterlace_params(
+ .algo = PL_DEINTERLACE_BOB,
+ ));
+}
+
+static void bench_yadif(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ struct pl_deinterlace_source dsrc = {
+ .prev = pl_field_pair(src),
+ .cur = pl_field_pair(src),
+ .next = pl_field_pair(src),
+ .field = PL_FIELD_TOP,
+ };
+
+ pl_shader_deinterlace(sh, &dsrc, pl_deinterlace_params(
+ .algo = PL_DEINTERLACE_YADIF,
+ ));
+}
+
+static void bench_av1_grain(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ struct pl_film_grain_params params = {
+ .data = {
+ .type = PL_FILM_GRAIN_AV1,
+ .params.av1 = av1_grain_data,
+ .seed = rand(),
+ },
+ .tex = src,
+ .components = 3,
+ .component_mapping = {0, 1, 2},
+ .repr = &(struct pl_color_repr) {0},
+ };
+
+ REQUIRE(pl_shader_film_grain(sh, state, &params));
+}
+
+static void bench_av1_grain_lap(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ struct pl_film_grain_params params = {
+ .data = {
+ .type = PL_FILM_GRAIN_AV1,
+ .params.av1 = av1_grain_data,
+ .seed = rand(),
+ },
+ .tex = src,
+ .components = 3,
+ .component_mapping = {0, 1, 2},
+ .repr = &(struct pl_color_repr) {0},
+ };
+
+ params.data.params.av1.overlap = true;
+ REQUIRE(pl_shader_film_grain(sh, state, &params));
+}
+
+static void bench_h274_grain(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ struct pl_film_grain_params params = {
+ .data = {
+ .type = PL_FILM_GRAIN_H274,
+ .params.h274 = h274_grain_data,
+ .seed = rand(),
+ },
+ .tex = src,
+ .components = 3,
+ .component_mapping = {0, 1, 2},
+ .repr = &(struct pl_color_repr) {0},
+ };
+
+ REQUIRE(pl_shader_film_grain(sh, state, &params));
+}
+
+static void bench_reshape_poly(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ REQUIRE(pl_shader_sample_direct(sh, pl_sample_src( .tex = src )));
+ pl_shader_dovi_reshape(sh, &(struct pl_dovi_metadata) { .comp = {
+ {
+ .num_pivots = 8,
+ .pivots = {0.0, 0.00488758553, 0.0420332365, 0.177908108,
+ 0.428152502, 0.678396881, 0.92864126, 1.0},
+ .method = {0, 0, 0, 0, 0, 0, 0},
+ .poly_coeffs = {
+ {0.00290930271, 2.30019712, 50.1446037},
+ {0.00725257397, 1.88119054, -4.49443769},
+ {0.0150123835, 1.61106598, -1.64833081},
+ {0.0498571396, 1.2059114, -0.430627108},
+ {0.0878019333, 1.01845241, -0.19669354},
+ {0.120447636, 0.920134187, -0.122338772},
+ {2.12430835, -3.30913281, 2.10893941},
+ },
+ }, {
+ .num_pivots = 2,
+ .pivots = {0.0, 1.0},
+ .method = {0},
+ .poly_coeffs = {{-0.397901177, 1.85908031, 0}},
+ }, {
+ .num_pivots = 2,
+ .pivots = {0.0, 1.0},
+ .method = {0},
+ .poly_coeffs = {{-0.399355531, 1.85591626, 0}},
+ },
+ }});
+}
+
+static void bench_reshape_mmr(pl_shader sh, pl_shader_obj *state, pl_tex src)
+{
+ REQUIRE(pl_shader_sample_direct(sh, pl_sample_src( .tex = src )));
+ pl_shader_dovi_reshape(sh, &dovi_meta); // this includes MMR
+}
+
+static float data[WIDTH * HEIGHT * COMPS + 8192];
+
+static void bench_download(pl_gpu gpu, pl_tex tex)
+{
+ REQUIRE(pl_tex_download(gpu, pl_tex_transfer_params(
+ .tex = tex,
+ .ptr = (uint8_t *) PL_ALIGN((uintptr_t) data, 4096),
+ )));
+}
+
+static void bench_upload(pl_gpu gpu, pl_tex tex)
+{
+ REQUIRE(pl_tex_upload(gpu, pl_tex_transfer_params(
+ .tex = tex,
+ .ptr = (uint8_t *) PL_ALIGN((uintptr_t) data, 4096),
+ )));
+}
+
+static void dummy_cb(void *arg) {}
+
+static void bench_download_async(pl_gpu gpu, pl_tex tex)
+{
+ REQUIRE(pl_tex_download(gpu, pl_tex_transfer_params(
+ .tex = tex,
+ .ptr = (uint8_t *) PL_ALIGN((uintptr_t) data, 4096),
+ .callback = dummy_cb,
+ )));
+}
+
+static void bench_upload_async(pl_gpu gpu, pl_tex tex)
+{
+ REQUIRE(pl_tex_upload(gpu, pl_tex_transfer_params(
+ .tex = tex,
+ .ptr = (uint8_t *) PL_ALIGN((uintptr_t) data, 4096),
+ .callback = dummy_cb,
+ )));
+}
+
+int main()
+{
+ setbuf(stdout, NULL);
+ setbuf(stderr, NULL);
+
+ pl_log log = pl_log_create(PL_API_VER, pl_log_params(
+ .log_cb = isatty(fileno(stdout)) ? pl_log_color : pl_log_simple,
+ .log_level = PL_LOG_WARN,
+ ));
+
+ pl_vulkan vk = pl_vulkan_create(log, pl_vulkan_params(
+ .allow_software = true,
+ .async_transfer = ASYNC_TX,
+ .async_compute = ASYNC_COMP,
+ .queue_count = NUM_QUEUES,
+ ));
+
+ if (!vk)
+ return SKIP;
+
+#define BENCH_SH(fn) &(struct bench) { .run_sh = fn }
+#define BENCH_TEX(fn) &(struct bench) { .run_tex = fn }
+
+ printf("= Running benchmarks =\n");
+ benchmark(vk->gpu, "tex_download ptr", BENCH_TEX(bench_download));
+ benchmark(vk->gpu, "tex_download ptr async", BENCH_TEX(bench_download_async));
+ benchmark(vk->gpu, "tex_upload ptr", BENCH_TEX(bench_upload));
+ benchmark(vk->gpu, "tex_upload ptr async", BENCH_TEX(bench_upload_async));
+ benchmark(vk->gpu, "bilinear", BENCH_SH(bench_bilinear));
+ benchmark(vk->gpu, "bicubic", BENCH_SH(bench_bicubic));
+ benchmark(vk->gpu, "hermite", BENCH_SH(bench_hermite));
+ benchmark(vk->gpu, "gaussian", BENCH_SH(bench_gaussian));
+ benchmark(vk->gpu, "deband", BENCH_SH(bench_deband));
+ benchmark(vk->gpu, "deband_heavy", BENCH_SH(bench_deband_heavy));
+
+ // Deinterlacing
+ benchmark(vk->gpu, "weave", BENCH_SH(bench_weave));
+ benchmark(vk->gpu, "bob", BENCH_SH(bench_bob));
+ benchmark(vk->gpu, "yadif", BENCH_SH(bench_yadif));
+
+ // Polar sampling
+ benchmark(vk->gpu, "polar", BENCH_SH(bench_polar));
+ if (vk->gpu->glsl.compute)
+ benchmark(vk->gpu, "polar_nocompute", BENCH_SH(bench_polar_nocompute));
+
+ // Dithering algorithms
+ benchmark(vk->gpu, "dither_blue", BENCH_SH(bench_dither_blue));
+ benchmark(vk->gpu, "dither_white", BENCH_SH(bench_dither_white));
+ benchmark(vk->gpu, "dither_ordered_fixed", BENCH_SH(bench_dither_ordered_fix));
+
+ // HDR peak detection
+ if (vk->gpu->glsl.compute) {
+ benchmark(vk->gpu, "hdr_peakdetect", BENCH_SH(bench_hdr_peak));
+ benchmark(vk->gpu, "hdr_peakdetect_hq", BENCH_SH(bench_hdr_peak_hq));
+ }
+
+ // Tone mapping
+ benchmark(vk->gpu, "hdr_lut", BENCH_SH(bench_hdr_lut));
+ benchmark(vk->gpu, "hdr_clip", BENCH_SH(bench_hdr_clip));
+
+ // Misc stuff
+ benchmark(vk->gpu, "av1_grain", BENCH_SH(bench_av1_grain));
+ benchmark(vk->gpu, "av1_grain_lap", BENCH_SH(bench_av1_grain_lap));
+ benchmark(vk->gpu, "h274_grain", BENCH_SH(bench_h274_grain));
+ benchmark(vk->gpu, "reshape_poly", BENCH_SH(bench_reshape_poly));
+ benchmark(vk->gpu, "reshape_mmr", BENCH_SH(bench_reshape_mmr));
+
+ pl_vulkan_destroy(&vk);
+ pl_log_destroy(&log);
+ return 0;
+}
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