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-rw-r--r--src/tests/gpu_tests.h1741
1 files changed, 1741 insertions, 0 deletions
diff --git a/src/tests/gpu_tests.h b/src/tests/gpu_tests.h
new file mode 100644
index 0000000..f14f260
--- /dev/null
+++ b/src/tests/gpu_tests.h
@@ -0,0 +1,1741 @@
+#include "tests.h"
+#include "shaders.h"
+
+#include <libplacebo/renderer.h>
+#include <libplacebo/utils/frame_queue.h>
+#include <libplacebo/utils/upload.h>
+
+//#define PRINT_OUTPUT
+
+static void pl_buffer_tests(pl_gpu gpu)
+{
+ const size_t buf_size = 1024;
+ if (buf_size > gpu->limits.max_buf_size)
+ return;
+
+ uint8_t *test_src = malloc(buf_size * 2);
+ uint8_t *test_dst = test_src + buf_size;
+ assert(test_src && test_dst);
+ memset(test_dst, 0, buf_size);
+ for (int i = 0; i < buf_size; i++)
+ test_src[i] = RANDOM_U8;
+
+ pl_buf buf = NULL, tbuf = NULL;
+
+ printf("test buffer static creation and readback\n");
+ buf = pl_buf_create(gpu, pl_buf_params(
+ .size = buf_size,
+ .host_readable = true,
+ .initial_data = test_src,
+ ));
+
+ REQUIRE(buf);
+ REQUIRE(pl_buf_read(gpu, buf, 0, test_dst, buf_size));
+ REQUIRE_MEMEQ(test_src, test_dst, buf_size);
+ pl_buf_destroy(gpu, &buf);
+
+ printf("test buffer empty creation, update and readback\n");
+ memset(test_dst, 0, buf_size);
+ buf = pl_buf_create(gpu, pl_buf_params(
+ .size = buf_size,
+ .host_writable = true,
+ .host_readable = true,
+ ));
+
+ REQUIRE(buf);
+ pl_buf_write(gpu, buf, 0, test_src, buf_size);
+ REQUIRE(pl_buf_read(gpu, buf, 0, test_dst, buf_size));
+ REQUIRE_MEMEQ(test_src, test_dst, buf_size);
+ pl_buf_destroy(gpu, &buf);
+
+ printf("test buffer-buffer copy and readback\n");
+ memset(test_dst, 0, buf_size);
+ buf = pl_buf_create(gpu, pl_buf_params(
+ .size = buf_size,
+ .initial_data = test_src,
+ ));
+
+ tbuf = pl_buf_create(gpu, pl_buf_params(
+ .size = buf_size,
+ .host_readable = true,
+ ));
+
+ REQUIRE(buf && tbuf);
+ pl_buf_copy(gpu, tbuf, 0, buf, 0, buf_size);
+ REQUIRE(pl_buf_read(gpu, tbuf, 0, test_dst, buf_size));
+ REQUIRE_MEMEQ(test_src, test_dst, buf_size);
+ pl_buf_destroy(gpu, &buf);
+ pl_buf_destroy(gpu, &tbuf);
+
+ if (buf_size <= gpu->limits.max_mapped_size) {
+ printf("test host mapped buffer readback\n");
+ buf = pl_buf_create(gpu, pl_buf_params(
+ .size = buf_size,
+ .host_mapped = true,
+ .initial_data = test_src,
+ ));
+
+ REQUIRE(buf);
+ REQUIRE(!pl_buf_poll(gpu, buf, 0));
+ REQUIRE_MEMEQ(test_src, buf->data, buf_size);
+ pl_buf_destroy(gpu, &buf);
+ }
+
+ // `compute_queues` check is to exclude dummy GPUs here
+ if (buf_size <= gpu->limits.max_ssbo_size && gpu->limits.compute_queues)
+ {
+ printf("test endian swapping\n");
+ buf = pl_buf_create(gpu, pl_buf_params(
+ .size = buf_size,
+ .storable = true,
+ .initial_data = test_src,
+ ));
+
+ tbuf = pl_buf_create(gpu, pl_buf_params(
+ .size = buf_size,
+ .storable = true,
+ .host_readable = true,
+ ));
+
+ REQUIRE(buf && tbuf);
+ REQUIRE(pl_buf_copy_swap(gpu, &(struct pl_buf_copy_swap_params) {
+ .src = buf,
+ .dst = tbuf,
+ .size = buf_size,
+ .wordsize = 2,
+ }));
+ REQUIRE(pl_buf_read(gpu, tbuf, 0, test_dst, buf_size));
+ for (int i = 0; i < buf_size / 2; i++) {
+ REQUIRE_CMP(test_src[2 * i + 0], ==, test_dst[2 * i + 1], PRIu8);
+ REQUIRE_CMP(test_src[2 * i + 1], ==, test_dst[2 * i + 0], PRIu8);
+ }
+ // test endian swap in-place
+ REQUIRE(pl_buf_copy_swap(gpu, &(struct pl_buf_copy_swap_params) {
+ .src = tbuf,
+ .dst = tbuf,
+ .size = buf_size,
+ .wordsize = 4,
+ }));
+ REQUIRE(pl_buf_read(gpu, tbuf, 0, test_dst, buf_size));
+ for (int i = 0; i < buf_size / 4; i++) {
+ REQUIRE_CMP(test_src[4 * i + 0], ==, test_dst[4 * i + 2], PRIu8);
+ REQUIRE_CMP(test_src[4 * i + 1], ==, test_dst[4 * i + 3], PRIu8);
+ REQUIRE_CMP(test_src[4 * i + 2], ==, test_dst[4 * i + 0], PRIu8);
+ REQUIRE_CMP(test_src[4 * i + 3], ==, test_dst[4 * i + 1], PRIu8);
+ }
+ pl_buf_destroy(gpu, &buf);
+ pl_buf_destroy(gpu, &tbuf);
+ }
+
+ free(test_src);
+}
+
+static void test_cb(void *priv)
+{
+ bool *flag = priv;
+ *flag = true;
+}
+
+static void pl_test_roundtrip(pl_gpu gpu, pl_tex tex[2],
+ uint8_t *src, uint8_t *dst)
+{
+ if (!tex[0] || !tex[1]) {
+ printf("failed creating test textures... skipping this test\n");
+ return;
+ }
+
+ int texels = tex[0]->params.w;
+ texels *= tex[0]->params.h ? tex[0]->params.h : 1;
+ texels *= tex[0]->params.d ? tex[0]->params.d : 1;
+
+ pl_fmt fmt = tex[0]->params.format;
+ size_t bytes = texels * fmt->texel_size;
+ memset(src, 0, bytes);
+ memset(dst, 0, bytes);
+
+ for (size_t i = 0; i < bytes; i++)
+ src[i] = RANDOM_U8;
+
+ pl_timer ul, dl;
+ ul = pl_timer_create(gpu);
+ dl = pl_timer_create(gpu);
+
+ bool ran_ul = false, ran_dl = false;
+
+ REQUIRE(pl_tex_upload(gpu, &(struct pl_tex_transfer_params){
+ .tex = tex[0],
+ .ptr = src,
+ .timer = ul,
+ .callback = gpu->limits.callbacks ? test_cb : NULL,
+ .priv = &ran_ul,
+ }));
+
+ // Test blitting, if possible for this format
+ pl_tex dst_tex = tex[0];
+ if (tex[0]->params.blit_src && tex[1]->params.blit_dst) {
+ pl_tex_clear_ex(gpu, tex[1], (union pl_clear_color){0}); // for testing
+ pl_tex_blit(gpu, &(struct pl_tex_blit_params) {
+ .src = tex[0],
+ .dst = tex[1],
+ });
+ dst_tex = tex[1];
+ }
+
+ REQUIRE(pl_tex_download(gpu, &(struct pl_tex_transfer_params){
+ .tex = dst_tex,
+ .ptr = dst,
+ .timer = dl,
+ .callback = gpu->limits.callbacks ? test_cb : NULL,
+ .priv = &ran_dl,
+ }));
+
+ pl_gpu_finish(gpu);
+ if (gpu->limits.callbacks)
+ REQUIRE(ran_ul && ran_dl);
+
+ if (fmt->emulated && fmt->type == PL_FMT_FLOAT) {
+ // TODO: can't memcmp here because bits might be lost due to the
+ // emulated 16/32 bit upload paths, figure out a better way to
+ // generate data and verify the roundtrip!
+ } else {
+ REQUIRE_MEMEQ(src, dst, bytes);
+ }
+
+ // Report timer results
+ printf("upload time: %"PRIu64", download time: %"PRIu64"\n",
+ pl_timer_query(gpu, ul), pl_timer_query(gpu, dl));
+
+ pl_timer_destroy(gpu, &ul);
+ pl_timer_destroy(gpu, &dl);
+}
+
+static void pl_texture_tests(pl_gpu gpu)
+{
+ const size_t max_size = 16*16*16 * 4 *sizeof(double);
+ uint8_t *test_src = malloc(max_size * 2);
+ uint8_t *test_dst = test_src + max_size;
+
+ for (int f = 0; f < gpu->num_formats; f++) {
+ pl_fmt fmt = gpu->formats[f];
+ if (fmt->opaque || !(fmt->caps & PL_FMT_CAP_HOST_READABLE))
+ continue;
+
+ printf("testing texture roundtrip for format %s\n", fmt->name);
+ assert(fmt->texel_size <= 4 * sizeof(double));
+
+ struct pl_tex_params ref_params = {
+ .format = fmt,
+ .blit_src = (fmt->caps & PL_FMT_CAP_BLITTABLE),
+ .blit_dst = (fmt->caps & PL_FMT_CAP_BLITTABLE),
+ .host_writable = true,
+ .host_readable = true,
+ .debug_tag = PL_DEBUG_TAG,
+ };
+
+ pl_tex tex[2];
+
+ if (gpu->limits.max_tex_1d_dim >= 16) {
+ printf("... 1D\n");
+ struct pl_tex_params params = ref_params;
+ params.w = 16;
+ if (!gpu->limits.blittable_1d_3d)
+ params.blit_src = params.blit_dst = false;
+ for (int i = 0; i < PL_ARRAY_SIZE(tex); i++)
+ tex[i] = pl_tex_create(gpu, &params);
+ pl_test_roundtrip(gpu, tex, test_src, test_dst);
+ for (int i = 0; i < PL_ARRAY_SIZE(tex); i++)
+ pl_tex_destroy(gpu, &tex[i]);
+ }
+
+ if (gpu->limits.max_tex_2d_dim >= 16) {
+ printf("... 2D\n");
+ struct pl_tex_params params = ref_params;
+ params.w = params.h = 16;
+ for (int i = 0; i < PL_ARRAY_SIZE(tex); i++)
+ tex[i] = pl_tex_create(gpu, &params);
+ pl_test_roundtrip(gpu, tex, test_src, test_dst);
+ for (int i = 0; i < PL_ARRAY_SIZE(tex); i++)
+ pl_tex_destroy(gpu, &tex[i]);
+ }
+
+ if (gpu->limits.max_tex_3d_dim >= 16) {
+ printf("... 3D\n");
+ struct pl_tex_params params = ref_params;
+ params.w = params.h = params.d = 16;
+ if (!gpu->limits.blittable_1d_3d)
+ params.blit_src = params.blit_dst = false;
+ for (int i = 0; i < PL_ARRAY_SIZE(tex); i++)
+ tex[i] = pl_tex_create(gpu, &params);
+ pl_test_roundtrip(gpu, tex, test_src, test_dst);
+ for (int i = 0; i < PL_ARRAY_SIZE(tex); i++)
+ pl_tex_destroy(gpu, &tex[i]);
+ }
+ }
+
+ free(test_src);
+}
+
+static void pl_planar_tests(pl_gpu gpu)
+{
+ pl_fmt fmt = pl_find_named_fmt(gpu, "g8_b8_r8_420");
+ if (!fmt)
+ return;
+ REQUIRE_CMP(fmt->num_planes, ==, 3, "d");
+
+ const int width = 64, height = 32;
+ pl_tex tex = pl_tex_create(gpu, pl_tex_params(
+ .w = width,
+ .h = height,
+ .format = fmt,
+ .blit_dst = true,
+ .host_readable = true,
+ ));
+ if (!tex)
+ return;
+ for (int i = 0; i < fmt->num_planes; i++)
+ REQUIRE(tex->planes[i]);
+
+ pl_tex plane = tex->planes[1];
+ uint8_t data[(width * height) >> 2];
+ REQUIRE_CMP(plane->params.w * plane->params.h, ==, PL_ARRAY_SIZE(data), "d");
+
+ pl_tex_clear(gpu, plane, (float[]){ (float) 0x80 / 0xFF, 0.0, 0.0, 1.0 });
+ REQUIRE(pl_tex_download(gpu, pl_tex_transfer_params(
+ .tex = plane,
+ .ptr = data,
+ )));
+
+ uint8_t ref[PL_ARRAY_SIZE(data)];
+ memset(ref, 0x80, sizeof(ref));
+ REQUIRE_MEMEQ(data, ref, PL_ARRAY_SIZE(data));
+
+ pl_tex_destroy(gpu, &tex);
+}
+
+static void pl_shader_tests(pl_gpu gpu)
+{
+ if (gpu->glsl.version < 410)
+ return;
+
+ const char *vert_shader =
+ "#version 410 \n"
+ "layout(location=0) in vec2 vertex_pos; \n"
+ "layout(location=1) in vec3 vertex_color; \n"
+ "layout(location=0) out vec3 frag_color; \n"
+ "void main() { \n"
+ " gl_Position = vec4(vertex_pos, 0, 1); \n"
+ " frag_color = vertex_color; \n"
+ "}";
+
+ const char *frag_shader =
+ "#version 410 \n"
+ "layout(location=0) in vec3 frag_color; \n"
+ "layout(location=0) out vec4 out_color; \n"
+ "void main() { \n"
+ " out_color = vec4(frag_color, 1.0); \n"
+ "}";
+
+ pl_fmt fbo_fmt;
+ enum pl_fmt_caps caps = PL_FMT_CAP_RENDERABLE | PL_FMT_CAP_BLITTABLE |
+ PL_FMT_CAP_LINEAR;
+
+ fbo_fmt = pl_find_fmt(gpu, PL_FMT_FLOAT, 4, 16, 32, caps);
+ if (!fbo_fmt)
+ return;
+
+#define FBO_W 16
+#define FBO_H 16
+
+ pl_tex fbo;
+ fbo = pl_tex_create(gpu, &(struct pl_tex_params) {
+ .format = fbo_fmt,
+ .w = FBO_W,
+ .h = FBO_H,
+ .renderable = true,
+ .storable = !!(fbo_fmt->caps & PL_FMT_CAP_STORABLE),
+ .host_readable = true,
+ .blit_dst = true,
+ });
+ REQUIRE(fbo);
+
+ pl_tex_clear_ex(gpu, fbo, (union pl_clear_color){0});
+
+ pl_fmt vert_fmt;
+ vert_fmt = pl_find_vertex_fmt(gpu, PL_FMT_FLOAT, 3);
+ REQUIRE(vert_fmt);
+
+ static const struct vertex { float pos[2]; float color[3]; } vertices[] = {
+ {{-1.0, -1.0}, {0, 0, 0}},
+ {{ 1.0, -1.0}, {1, 0, 0}},
+ {{-1.0, 1.0}, {0, 1, 0}},
+ {{ 1.0, 1.0}, {1, 1, 0}},
+ };
+
+ pl_pass pass;
+ pass = pl_pass_create(gpu, &(struct pl_pass_params) {
+ .type = PL_PASS_RASTER,
+ .target_format = fbo_fmt,
+ .vertex_shader = vert_shader,
+ .glsl_shader = frag_shader,
+
+ .vertex_type = PL_PRIM_TRIANGLE_STRIP,
+ .vertex_stride = sizeof(struct vertex),
+ .num_vertex_attribs = 2,
+ .vertex_attribs = (struct pl_vertex_attrib[]) {{
+ .name = "vertex_pos",
+ .fmt = pl_find_vertex_fmt(gpu, PL_FMT_FLOAT, 2),
+ .location = 0,
+ .offset = offsetof(struct vertex, pos),
+ }, {
+ .name = "vertex_color",
+ .fmt = pl_find_vertex_fmt(gpu, PL_FMT_FLOAT, 3),
+ .location = 1,
+ .offset = offsetof(struct vertex, color),
+ }},
+ });
+ REQUIRE(pass);
+ if (pass->params.cached_program || pass->params.cached_program_len) {
+ // Ensure both are set if either one is set
+ REQUIRE(pass->params.cached_program);
+ REQUIRE(pass->params.cached_program_len);
+ }
+
+ pl_timer timer = pl_timer_create(gpu);
+ pl_pass_run(gpu, &(struct pl_pass_run_params) {
+ .pass = pass,
+ .target = fbo,
+ .vertex_count = PL_ARRAY_SIZE(vertices),
+ .vertex_data = vertices,
+ .timer = timer,
+ });
+
+ // Wait until this pass is complete and report the timer result
+ pl_gpu_finish(gpu);
+ printf("timer query result: %"PRIu64"\n", pl_timer_query(gpu, timer));
+ pl_timer_destroy(gpu, &timer);
+
+ static float test_data[FBO_H * FBO_W * 4] = {0};
+
+ // Test against the known pattern of `src`, only useful for roundtrip tests
+#define TEST_FBO_PATTERN(eps, fmt, ...) \
+ do { \
+ printf("testing pattern of " fmt "\n", __VA_ARGS__); \
+ REQUIRE(pl_tex_download(gpu, &(struct pl_tex_transfer_params) { \
+ .tex = fbo, \
+ .ptr = test_data, \
+ })); \
+ \
+ for (int y = 0; y < FBO_H; y++) { \
+ for (int x = 0; x < FBO_W; x++) { \
+ float *color = &test_data[(y * FBO_W + x) * 4]; \
+ REQUIRE_FEQ(color[0], (x + 0.5) / FBO_W, eps); \
+ REQUIRE_FEQ(color[1], (y + 0.5) / FBO_H, eps); \
+ REQUIRE_FEQ(color[2], 0.0, eps); \
+ REQUIRE_FEQ(color[3], 1.0, eps); \
+ } \
+ } \
+ } while (0)
+
+ TEST_FBO_PATTERN(1e-6, "%s", "initial rendering");
+
+ if (sizeof(vertices) <= gpu->limits.max_vbo_size) {
+ // Test the use of an explicit vertex buffer
+ pl_buf vert = pl_buf_create(gpu, &(struct pl_buf_params) {
+ .size = sizeof(vertices),
+ .initial_data = vertices,
+ .drawable = true,
+ });
+
+ REQUIRE(vert);
+ pl_pass_run(gpu, &(struct pl_pass_run_params) {
+ .pass = pass,
+ .target = fbo,
+ .vertex_count = sizeof(vertices) / sizeof(struct vertex),
+ .vertex_buf = vert,
+ .buf_offset = 0,
+ });
+
+ pl_buf_destroy(gpu, &vert);
+ TEST_FBO_PATTERN(1e-6, "%s", "using vertex buffer");
+ }
+
+ // Test the use of index buffers
+ static const uint16_t indices[] = { 3, 2, 1, 0 };
+ pl_pass_run(gpu, &(struct pl_pass_run_params) {
+ .pass = pass,
+ .target = fbo,
+ .vertex_count = PL_ARRAY_SIZE(indices),
+ .vertex_data = vertices,
+ .index_data = indices,
+ });
+
+ pl_pass_destroy(gpu, &pass);
+ TEST_FBO_PATTERN(1e-6, "%s", "using indexed rendering");
+
+ // Test the use of pl_dispatch
+ pl_dispatch dp = pl_dispatch_create(gpu->log, gpu);
+ pl_shader sh = pl_dispatch_begin(dp);
+ REQUIRE(pl_shader_custom(sh, &(struct pl_custom_shader) {
+ .body = "color = vec4(col, 1.0);",
+ .input = PL_SHADER_SIG_NONE,
+ .output = PL_SHADER_SIG_COLOR,
+ }));
+
+ REQUIRE(pl_dispatch_vertex(dp, &(struct pl_dispatch_vertex_params) {
+ .shader = &sh,
+ .target = fbo,
+ .vertex_stride = sizeof(struct vertex),
+ .vertex_position_idx = 0,
+ .num_vertex_attribs = 2,
+ .vertex_attribs = (struct pl_vertex_attrib[]) {{
+ .name = "pos",
+ .fmt = pl_find_vertex_fmt(gpu, PL_FMT_FLOAT, 2),
+ .offset = offsetof(struct vertex, pos),
+ }, {
+ .name = "col",
+ .fmt = pl_find_vertex_fmt(gpu, PL_FMT_FLOAT, 3),
+ .offset = offsetof(struct vertex, color),
+ }},
+
+ .vertex_type = PL_PRIM_TRIANGLE_STRIP,
+ .vertex_coords = PL_COORDS_NORMALIZED,
+ .vertex_count = PL_ARRAY_SIZE(vertices),
+ .vertex_data = vertices,
+ }));
+
+ TEST_FBO_PATTERN(1e-6, "%s", "using custom vertices");
+
+ static float src_data[FBO_H * FBO_W * 4] = {0};
+ memcpy(src_data, test_data, sizeof(src_data));
+
+ pl_tex src;
+ src = pl_tex_create(gpu, &(struct pl_tex_params) {
+ .format = fbo_fmt,
+ .w = FBO_W,
+ .h = FBO_H,
+ .storable = fbo->params.storable,
+ .sampleable = true,
+ .initial_data = src_data,
+ });
+
+ if (fbo->params.storable) {
+ // Test 1x1 blit, to make sure the scaling code runs
+ REQUIRE(pl_tex_blit_compute(gpu, &(struct pl_tex_blit_params) {
+ .src = src,
+ .dst = fbo,
+ .src_rc = {0, 0, 0, 1, 1, 1},
+ .dst_rc = {0, 0, 0, FBO_W, FBO_H, 1},
+ .sample_mode = PL_TEX_SAMPLE_NEAREST,
+ }));
+
+ // Test non-resizing blit, which uses the efficient imageLoad path
+ REQUIRE(pl_tex_blit_compute(gpu, &(struct pl_tex_blit_params) {
+ .src = src,
+ .dst = fbo,
+ .src_rc = {0, 0, 0, FBO_W, FBO_H, 1},
+ .dst_rc = {0, 0, 0, FBO_W, FBO_H, 1},
+ .sample_mode = PL_TEX_SAMPLE_NEAREST,
+ }));
+
+ TEST_FBO_PATTERN(1e-6, "%s", "pl_tex_blit_compute");
+ }
+
+ // Test encoding/decoding of all gamma functions, color spaces, etc.
+ for (enum pl_color_transfer trc = 0; trc < PL_COLOR_TRC_COUNT; trc++) {
+ struct pl_color_space test_csp = {
+ .transfer = trc,
+ .hdr.min_luma = PL_COLOR_HDR_BLACK,
+ };
+ sh = pl_dispatch_begin(dp);
+ pl_shader_sample_nearest(sh, pl_sample_src( .tex = src ));
+ pl_shader_delinearize(sh, &test_csp);
+ pl_shader_linearize(sh, &test_csp);
+ REQUIRE(pl_dispatch_finish(dp, pl_dispatch_params(
+ .shader = &sh,
+ .target = fbo,
+ )));
+
+ float epsilon = pl_color_transfer_is_hdr(trc) ? 1e-4 : 1e-6;
+ TEST_FBO_PATTERN(epsilon, "transfer function %d", (int) trc);
+ }
+
+ for (enum pl_color_system sys = 0; sys < PL_COLOR_SYSTEM_COUNT; sys++) {
+ if (sys == PL_COLOR_SYSTEM_DOLBYVISION)
+ continue; // requires metadata
+ sh = pl_dispatch_begin(dp);
+ pl_shader_sample_nearest(sh, pl_sample_src( .tex = src ));
+ pl_shader_encode_color(sh, &(struct pl_color_repr) { .sys = sys });
+ pl_shader_decode_color(sh, &(struct pl_color_repr) { .sys = sys }, NULL);
+ REQUIRE(pl_dispatch_finish(dp, &(struct pl_dispatch_params) {
+ .shader = &sh,
+ .target = fbo,
+ }));
+
+ float epsilon;
+ switch (sys) {
+ case PL_COLOR_SYSTEM_BT_2020_C:
+ case PL_COLOR_SYSTEM_XYZ:
+ epsilon = 1e-5;
+ break;
+
+ case PL_COLOR_SYSTEM_BT_2100_PQ:
+ case PL_COLOR_SYSTEM_BT_2100_HLG:
+ // These seem to be horrifically noisy and prone to breaking on
+ // edge cases for some reason
+ // TODO: figure out why!
+ continue;
+
+ default: epsilon = 1e-6; break;
+ }
+
+ TEST_FBO_PATTERN(epsilon, "color system %d", (int) sys);
+ }
+
+ // Repeat this a few times to test the caching
+ pl_cache cache = pl_cache_create(pl_cache_params( .log = gpu->log ));
+ pl_gpu_set_cache(gpu, cache);
+ for (int i = 0; i < 10; i++) {
+ if (i == 5) {
+ printf("Recreating pl_dispatch to test the caching\n");
+ size_t size = pl_dispatch_save(dp, NULL);
+ REQUIRE(size);
+ uint8_t *cache_data = malloc(size);
+ REQUIRE(cache_data);
+ REQUIRE_CMP(pl_dispatch_save(dp, cache_data), ==, size, "zu");
+
+ pl_dispatch_destroy(&dp);
+ dp = pl_dispatch_create(gpu->log, gpu);
+ pl_dispatch_load(dp, cache_data);
+
+ // Test to make sure the pass regenerates the same cache
+ uint64_t hash = pl_str_hash((pl_str) { cache_data, size });
+ REQUIRE_CMP(pl_dispatch_save(dp, NULL), ==, size, "zu");
+ REQUIRE_CMP(pl_dispatch_save(dp, cache_data), ==, size, "zu");
+ REQUIRE_CMP(pl_str_hash((pl_str) { cache_data, size }), ==, hash, PRIu64);
+ free(cache_data);
+ }
+
+ sh = pl_dispatch_begin(dp);
+
+ // For testing, force the use of CS if possible
+ if (gpu->glsl.compute) {
+ sh->type = SH_COMPUTE;
+ sh->group_size[0] = 8;
+ sh->group_size[1] = 8;
+ }
+
+ pl_shader_deband(sh, pl_sample_src( .tex = src ), pl_deband_params(
+ .iterations = 0,
+ .grain = 0.0,
+ ));
+
+ REQUIRE(pl_dispatch_finish(dp, &(struct pl_dispatch_params) {
+ .shader = &sh,
+ .target = fbo,
+ }));
+ TEST_FBO_PATTERN(1e-6, "deband iter %d", i);
+ }
+
+ pl_gpu_set_cache(gpu, NULL);
+ pl_cache_destroy(&cache);
+
+ // Test peak detection and readback if possible
+ sh = pl_dispatch_begin(dp);
+ pl_shader_sample_nearest(sh, pl_sample_src( .tex = src ));
+
+ pl_shader_obj peak_state = NULL;
+ struct pl_color_space csp_gamma22 = { .transfer = PL_COLOR_TRC_GAMMA22 };
+ struct pl_peak_detect_params peak_params = { .minimum_peak = 0.01 };
+ if (pl_shader_detect_peak(sh, csp_gamma22, &peak_state, &peak_params)) {
+ REQUIRE(pl_dispatch_compute(dp, &(struct pl_dispatch_compute_params) {
+ .shader = &sh,
+ .width = fbo->params.w,
+ .height = fbo->params.h,
+ }));
+
+ float peak, avg;
+ REQUIRE(pl_get_detected_peak(peak_state, &peak, &avg));
+
+ float real_peak = 0, real_avg = 0;
+ for (int y = 0; y < FBO_H; y++) {
+ for (int x = 0; x < FBO_W; x++) {
+ float *color = &src_data[(y * FBO_W + x) * 4];
+ float luma = 0.212639f * powf(color[0], 2.2f) +
+ 0.715169f * powf(color[1], 2.2f) +
+ 0.072192f * powf(color[2], 2.2f);
+ luma = pl_hdr_rescale(PL_HDR_NORM, PL_HDR_PQ, luma);
+ real_peak = PL_MAX(real_peak, luma);
+ real_avg += luma;
+ }
+ }
+ real_avg = real_avg / (FBO_W * FBO_H);
+
+ real_avg = pl_hdr_rescale(PL_HDR_PQ, PL_HDR_NORM, real_avg);
+ real_peak = pl_hdr_rescale(PL_HDR_PQ, PL_HDR_NORM, real_peak);
+ REQUIRE_FEQ(peak, real_peak, 1e-3);
+ REQUIRE_FEQ(avg, real_avg, 1e-2);
+ }
+
+ pl_dispatch_abort(dp, &sh);
+ pl_shader_obj_destroy(&peak_state);
+
+ // Test film grain synthesis
+ pl_shader_obj grain = NULL;
+ struct pl_film_grain_params grain_params = {
+ .tex = src,
+ .components = 3,
+ .component_mapping = { 0, 1, 2},
+ .repr = &(struct pl_color_repr) {
+ .sys = PL_COLOR_SYSTEM_BT_709,
+ .levels = PL_COLOR_LEVELS_LIMITED,
+ .bits = { .color_depth = 10, .sample_depth = 10 },
+ },
+ };
+
+ for (int i = 0; i < 2; i++) {
+ grain_params.data.type = PL_FILM_GRAIN_AV1;
+ grain_params.data.params.av1 = av1_grain_data;
+ grain_params.data.params.av1.overlap = !!i;
+ grain_params.data.seed = rand();
+
+ sh = pl_dispatch_begin(dp);
+ pl_shader_film_grain(sh, &grain, &grain_params);
+ REQUIRE(pl_dispatch_finish(dp, &(struct pl_dispatch_params) {
+ .shader = &sh,
+ .target = fbo,
+ }));
+ }
+
+ if (gpu->glsl.compute) {
+ grain_params.data.type = PL_FILM_GRAIN_H274;
+ grain_params.data.params.h274 = h274_grain_data;
+ grain_params.data.seed = rand();
+
+ sh = pl_dispatch_begin(dp);
+ pl_shader_film_grain(sh, &grain, &grain_params);
+ REQUIRE(pl_dispatch_finish(dp, &(struct pl_dispatch_params) {
+ .shader = &sh,
+ .target = fbo,
+ }));
+ }
+ pl_shader_obj_destroy(&grain);
+
+ // Test custom shaders
+ struct pl_custom_shader custom = {
+ .header =
+ "vec3 invert(vec3 color) \n"
+ "{ \n"
+ " return vec3(1.0) - color; \n"
+ "} \n",
+
+ .body =
+ "color = vec4(gl_FragCoord.xy, 0.0, 1.0); \n"
+ "color.rgb = invert(color.rgb) + offset; \n",
+
+ .input = PL_SHADER_SIG_NONE,
+ .output = PL_SHADER_SIG_COLOR,
+
+ .num_variables = 1,
+ .variables = &(struct pl_shader_var) {
+ .var = pl_var_float("offset"),
+ .data = &(float) { 0.1 },
+ },
+ };
+
+ sh = pl_dispatch_begin(dp);
+ REQUIRE(pl_shader_custom(sh, &custom));
+ REQUIRE(pl_dispatch_finish(dp, &(struct pl_dispatch_params) {
+ .shader = &sh,
+ .target = fbo,
+ }));
+
+ // Test dolbyvision
+ struct pl_color_repr repr = {
+ .sys = PL_COLOR_SYSTEM_DOLBYVISION,
+ .dovi = &dovi_meta,
+ };
+
+ sh = pl_dispatch_begin(dp);
+ pl_shader_sample_direct(sh, pl_sample_src( .tex = src ));
+ pl_shader_decode_color(sh, &repr, NULL);
+ REQUIRE(pl_dispatch_finish(dp, &(struct pl_dispatch_params) {
+ .shader = &sh,
+ .target = fbo,
+ }));
+
+ // Test deinterlacing
+ sh = pl_dispatch_begin(dp);
+ pl_shader_deinterlace(sh, pl_deinterlace_source( .cur = pl_field_pair(src) ), NULL);
+ REQUIRE(pl_dispatch_finish(dp, pl_dispatch_params(
+ .shader = &sh,
+ .target = fbo,
+ )));
+
+ // Test error diffusion
+ if (fbo->params.storable) {
+ for (int i = 0; i < pl_num_error_diffusion_kernels; i++) {
+ const struct pl_error_diffusion_kernel *k = pl_error_diffusion_kernels[i];
+ printf("testing error diffusion kernel '%s'\n", k->name);
+ sh = pl_dispatch_begin(dp);
+ bool ok = pl_shader_error_diffusion(sh, pl_error_diffusion_params(
+ .input_tex = src,
+ .output_tex = fbo,
+ .new_depth = 8,
+ .kernel = k,
+ ));
+
+ if (!ok) {
+ fprintf(stderr, "kernel '%s' exceeds GPU limits, skipping...\n", k->name);
+ continue;
+ }
+
+ REQUIRE(pl_dispatch_compute(dp, pl_dispatch_compute_params(
+ .shader = &sh,
+ .dispatch_size = {1, 1, 1},
+ )));
+ }
+ }
+
+ pl_dispatch_destroy(&dp);
+ pl_tex_destroy(gpu, &src);
+ pl_tex_destroy(gpu, &fbo);
+}
+
+static void pl_scaler_tests(pl_gpu gpu)
+{
+ pl_fmt src_fmt = pl_find_fmt(gpu, PL_FMT_FLOAT, 1, 16, 32, PL_FMT_CAP_LINEAR);
+ pl_fmt fbo_fmt = pl_find_fmt(gpu, PL_FMT_FLOAT, 1, 16, 32, PL_FMT_CAP_RENDERABLE);
+ if (!src_fmt || !fbo_fmt)
+ return;
+
+ float *fbo_data = NULL;
+ pl_shader_obj lut = NULL;
+
+ static float data_5x5[5][5] = {
+ { 0, 0, 0, 0, 0 },
+ { 0, 0, 0, 0, 0 },
+ { 0, 0, 1, 0, 0 },
+ { 0, 0, 0, 0, 0 },
+ { 0, 0, 0, 0, 0 },
+ };
+
+ pl_tex dot5x5 = pl_tex_create(gpu, &(struct pl_tex_params) {
+ .w = 5,
+ .h = 5,
+ .format = src_fmt,
+ .sampleable = true,
+ .initial_data = &data_5x5[0][0],
+ });
+
+ struct pl_tex_params fbo_params = {
+ .w = 100,
+ .h = 100,
+ .format = fbo_fmt,
+ .renderable = true,
+ .storable = fbo_fmt->caps & PL_FMT_CAP_STORABLE,
+ .host_readable = fbo_fmt->caps & PL_FMT_CAP_HOST_READABLE,
+ };
+
+ pl_tex fbo = pl_tex_create(gpu, &fbo_params);
+ pl_dispatch dp = pl_dispatch_create(gpu->log, gpu);
+ if (!dot5x5 || !fbo || !dp)
+ goto error;
+
+ pl_shader sh = pl_dispatch_begin(dp);
+ REQUIRE(pl_shader_sample_polar(sh,
+ pl_sample_src(
+ .tex = dot5x5,
+ .new_w = fbo->params.w,
+ .new_h = fbo->params.h,
+ ),
+ pl_sample_filter_params(
+ .filter = pl_filter_ewa_lanczos,
+ .lut = &lut,
+ .no_compute = !fbo->params.storable,
+ )
+ ));
+ REQUIRE(pl_dispatch_finish(dp, &(struct pl_dispatch_params) {
+ .shader = &sh,
+ .target = fbo,
+ }));
+
+ if (fbo->params.host_readable) {
+ fbo_data = malloc(fbo->params.w * fbo->params.h * sizeof(float));
+ REQUIRE(pl_tex_download(gpu, &(struct pl_tex_transfer_params) {
+ .tex = fbo,
+ .ptr = fbo_data,
+ }));
+
+#ifdef PRINT_OUTPUT
+ int max = 255;
+ printf("P2\n%d %d\n%d\n", fbo->params.w, fbo->params.h, max);
+ for (int y = 0; y < fbo->params.h; y++) {
+ for (int x = 0; x < fbo->params.w; x++) {
+ float v = fbo_data[y * fbo->params.h + x];
+ printf("%d ", (int) round(fmin(fmax(v, 0.0), 1.0) * max));
+ }
+ printf("\n");
+ }
+#endif
+ }
+
+error:
+ free(fbo_data);
+ pl_shader_obj_destroy(&lut);
+ pl_dispatch_destroy(&dp);
+ pl_tex_destroy(gpu, &dot5x5);
+ pl_tex_destroy(gpu, &fbo);
+}
+
+static const char *user_shader_tests[] = {
+ // Test hooking, saving and loading
+ "// Example of a comment at the beginning \n"
+ " \n"
+ "//!HOOK NATIVE \n"
+ "//!DESC upscale image \n"
+ "//!BIND HOOKED \n"
+ "//!WIDTH HOOKED.w 10 * \n"
+ "//!HEIGHT HOOKED.h 10 * \n"
+ "//!SAVE NATIVEBIG \n"
+ "//!WHEN NATIVE.w 500 < \n"
+ " \n"
+ "vec4 hook() \n"
+ "{ \n"
+ " return HOOKED_texOff(0); \n"
+ "} \n"
+ " \n"
+ "//!HOOK MAIN \n"
+ "//!DESC downscale bigger image \n"
+ "//!WHEN NATIVE.w 500 < \n"
+ "//!BIND NATIVEBIG \n"
+ " \n"
+ "vec4 hook() \n"
+ "{ \n"
+ " return NATIVEBIG_texOff(0); \n"
+ "} \n",
+
+ // Test use of textures
+ "//!HOOK MAIN \n"
+ "//!DESC turn everything into colorful pixels \n"
+ "//!BIND HOOKED \n"
+ "//!BIND DISCO \n"
+ "//!COMPONENTS 3 \n"
+ " \n"
+ "vec4 hook() \n"
+ "{ \n"
+ " return vec4(DISCO_tex(HOOKED_pos * 10.0).rgb, 1); \n"
+ "} \n"
+ " \n"
+ "//!TEXTURE DISCO \n"
+ "//!SIZE 3 3 \n"
+ "//!FORMAT rgba8 \n"
+ "//!FILTER NEAREST \n"
+ "//!BORDER REPEAT \n"
+ "ff0000ff00ff00ff0000ffff00ffffffff00ffffffff00ff4c4c4cff999999ffffffffff\n"
+
+ // Test custom parameters
+ "//!PARAM test \n"
+ "//!DESC test parameter \n"
+ "//!TYPE DYNAMIC float \n"
+ "//!MINIMUM 0.0 \n"
+ "//!MAXIMUM 100.0 \n"
+ "1.0 \n"
+ " \n"
+ "//!PARAM testconst \n"
+ "//!TYPE CONSTANT uint \n"
+ "//!MAXIMUM 16 \n"
+ "3 \n"
+ " \n"
+ "//!PARAM testdefine \n"
+ "//!TYPE DEFINE \n"
+ "100 \n"
+ " \n"
+ "//!PARAM testenum \n"
+ "//!TYPE ENUM DEFINE \n"
+ "FOO \n"
+ "BAR \n"
+ " \n"
+ "//!HOOK MAIN \n"
+ "//!WHEN testconst 30 > \n"
+ "#error should not be run \n"
+ " \n"
+ "//!HOOK MAIN \n"
+ "//!WHEN testenum FOO = \n"
+ "#if testenum == BAR \n"
+ " #error bad \n"
+ "#endif \n"
+ "vec4 hook() { return vec4(0.0); } \n"
+};
+
+static const char *compute_shader_tests[] = {
+ // Test use of storage/buffer resources
+ "//!HOOK MAIN \n"
+ "//!DESC attach some storage objects \n"
+ "//!BIND tex_storage \n"
+ "//!BIND buf_uniform \n"
+ "//!BIND buf_storage \n"
+ "//!COMPONENTS 4 \n"
+ " \n"
+ "vec4 hook() \n"
+ "{ \n"
+ " return vec4(foo, bar, bat); \n"
+ "} \n"
+ " \n"
+ "//!TEXTURE tex_storage \n"
+ "//!SIZE 100 100 \n"
+ "//!FORMAT r32f \n"
+ "//!STORAGE \n"
+ " \n"
+ "//!BUFFER buf_uniform \n"
+ "//!VAR float foo \n"
+ "//!VAR float bar \n"
+ "0000000000000000 \n"
+ " \n"
+ "//!BUFFER buf_storage \n"
+ "//!VAR vec2 bat \n"
+ "//!VAR int big[32]; \n"
+ "//!STORAGE \n",
+
+};
+
+static const char *test_luts[] = {
+
+ "TITLE \"1D identity\" \n"
+ "LUT_1D_SIZE 2 \n"
+ "0.0 0.0 0.0 \n"
+ "1.0 1.0 1.0 \n",
+
+ "TITLE \"3D identity\" \n"
+ "LUT_3D_SIZE 2 \n"
+ "0.0 0.0 0.0 \n"
+ "1.0 0.0 0.0 \n"
+ "0.0 1.0 0.0 \n"
+ "1.0 1.0 0.0 \n"
+ "0.0 0.0 1.0 \n"
+ "1.0 0.0 1.0 \n"
+ "0.0 1.0 1.0 \n"
+ "1.0 1.0 1.0 \n"
+
+};
+
+static bool frame_passthrough(pl_gpu gpu, pl_tex *tex,
+ const struct pl_source_frame *src, struct pl_frame *out_frame)
+{
+ const struct pl_frame *frame = src->frame_data;
+ *out_frame = *frame;
+ return true;
+}
+
+static enum pl_queue_status get_frame_ptr(struct pl_source_frame *out_frame,
+ const struct pl_queue_params *qparams)
+{
+ const struct pl_source_frame **pframe = qparams->priv;
+ if (!(*pframe)->frame_data)
+ return PL_QUEUE_EOF;
+
+ *out_frame = *(*pframe)++;
+ return PL_QUEUE_OK;
+}
+
+static void render_info_cb(void *priv, const struct pl_render_info *info)
+{
+ printf("{%d} Executed shader: %s\n", info->index,
+ info->pass->shader->description);
+}
+
+static void pl_render_tests(pl_gpu gpu)
+{
+ pl_tex img_tex = NULL, fbo = NULL;
+ pl_renderer rr = NULL;
+
+ enum { width = 50, height = 50 };
+ static float data[width][height];
+ for (int y = 0; y < height; y++) {
+ for (int x = 0; x < width; x++)
+ data[y][x] = RANDOM;
+ }
+
+ struct pl_plane img_plane = {0};
+ struct pl_plane_data plane_data = {
+ .type = PL_FMT_FLOAT,
+ .width = width,
+ .height = height,
+ .component_size = { 8 * sizeof(float) },
+ .component_map = { 0 },
+ .pixel_stride = sizeof(float),
+ .pixels = data,
+ };
+
+ if (!pl_recreate_plane(gpu, NULL, &fbo, &plane_data))
+ return;
+
+ if (!pl_upload_plane(gpu, &img_plane, &img_tex, &plane_data))
+ goto error;
+
+ rr = pl_renderer_create(gpu->log, gpu);
+ pl_tex_clear_ex(gpu, fbo, (union pl_clear_color){0});
+
+ struct pl_frame image = {
+ .num_planes = 1,
+ .planes = { img_plane },
+ .repr = {
+ .sys = PL_COLOR_SYSTEM_BT_709,
+ .levels = PL_COLOR_LEVELS_FULL,
+ },
+ .color = pl_color_space_srgb,
+ };
+
+ struct pl_frame target = {
+ .num_planes = 1,
+ .planes = {{
+ .texture = fbo,
+ .components = 3,
+ .component_mapping = {0, 1, 2},
+ }},
+ .repr = {
+ .sys = PL_COLOR_SYSTEM_RGB,
+ .levels = PL_COLOR_LEVELS_FULL,
+ .bits.color_depth = 32,
+ },
+ .color = pl_color_space_srgb,
+ };
+
+ REQUIRE(pl_render_image(rr, &image, &target, NULL));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+
+ // TODO: embed a reference texture and ensure it matches
+
+ // Test a bunch of different params
+#define TEST(SNAME, STYPE, DEFAULT, FIELD, LIMIT) \
+ do { \
+ for (int i = 0; i <= LIMIT; i++) { \
+ printf("testing `" #STYPE "." #FIELD " = %d`\n", i); \
+ struct pl_render_params params = pl_render_default_params; \
+ params.force_dither = true; \
+ struct STYPE tmp = DEFAULT; \
+ tmp.FIELD = i; \
+ params.SNAME = &tmp; \
+ REQUIRE(pl_render_image(rr, &image, &target, &params)); \
+ pl_gpu_flush(gpu); \
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE); \
+ } \
+ } while (0)
+
+#define TEST_PARAMS(NAME, FIELD, LIMIT) \
+ TEST(NAME##_params, pl_##NAME##_params, pl_##NAME##_default_params, FIELD, LIMIT)
+
+ image.crop.x1 = width / 2.0;
+ image.crop.y1 = height / 2.0;
+ for (int i = 0; i < pl_num_scale_filters; i++) {
+ struct pl_render_params params = pl_render_default_params;
+ params.upscaler = pl_scale_filters[i].filter;
+ printf("testing `params.upscaler = /* %s */`\n", pl_scale_filters[i].name);
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ pl_gpu_flush(gpu);
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ }
+ image.crop.x1 = image.crop.y1 = 0;
+
+ target.crop.x1 = width / 2.0;
+ target.crop.y1 = height / 2.0;
+ for (int i = 0; i < pl_num_scale_filters; i++) {
+ struct pl_render_params params = pl_render_default_params;
+ params.downscaler = pl_scale_filters[i].filter;
+ printf("testing `params.downscaler = /* %s */`\n", pl_scale_filters[i].name);
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ pl_gpu_flush(gpu);
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ }
+ target.crop.x1 = target.crop.y1 = 0;
+
+ TEST_PARAMS(deband, iterations, 3);
+ TEST_PARAMS(sigmoid, center, 1);
+ TEST_PARAMS(color_map, intent, PL_INTENT_ABSOLUTE_COLORIMETRIC);
+ TEST_PARAMS(dither, method, PL_DITHER_WHITE_NOISE);
+ TEST_PARAMS(dither, temporal, true);
+ TEST_PARAMS(distort, alpha_mode, PL_ALPHA_INDEPENDENT);
+ TEST_PARAMS(distort, constrain, true);
+ TEST_PARAMS(distort, bicubic, true);
+ TEST(cone_params, pl_cone_params, pl_vision_deuteranomaly, strength, 0);
+
+ // Test gamma-correct dithering
+ target.repr.bits.color_depth = 2;
+ TEST_PARAMS(dither, transfer, PL_COLOR_TRC_GAMMA22);
+ target.repr.bits.color_depth = 32;
+
+ // Test HDR tone mapping
+ image.color = pl_color_space_hdr10;
+ TEST_PARAMS(color_map, visualize_lut, true);
+ if (gpu->limits.max_ssbo_size)
+ TEST_PARAMS(peak_detect, allow_delayed, true);
+
+ // Test inverse tone-mapping and pure BPC
+ image.color.hdr.max_luma = 1000;
+ target.color.hdr.max_luma = 4000;
+ target.color.hdr.min_luma = 0.02;
+ TEST_PARAMS(color_map, inverse_tone_mapping, true);
+
+ image.color = pl_color_space_srgb;
+ target.color = pl_color_space_srgb;
+
+ // Test some misc stuff
+ struct pl_render_params params = pl_render_default_params;
+ params.color_adjustment = &(struct pl_color_adjustment) {
+ .brightness = 0.1,
+ .contrast = 0.9,
+ .saturation = 1.5,
+ .gamma = 0.8,
+ .temperature = 0.3,
+ };
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ params = pl_render_default_params;
+
+ struct pl_frame inferred_image = image, inferred_target = target;
+ pl_frames_infer(rr, &inferred_image, &inferred_target);
+ REQUIRE(pl_render_image(rr, &inferred_image, &inferred_target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+
+ // Test background blending and alpha transparency
+ params.blend_against_tiles = true;
+ params.corner_rounding = 0.25f;
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ params = pl_render_default_params;
+
+ // Test film grain synthesis
+ image.film_grain.type = PL_FILM_GRAIN_AV1;
+ image.film_grain.params.av1 = av1_grain_data;
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+
+ image.film_grain.type = PL_FILM_GRAIN_H274;
+ image.film_grain.params.h274 = h274_grain_data;
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ // H.274 film grain synthesis requires compute shaders
+ if (gpu->glsl.compute) {
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ } else {
+ const struct pl_render_errors rr_err = pl_renderer_get_errors(rr);
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_FILM_GRAIN);
+ pl_renderer_reset_errors(rr, &rr_err);
+ }
+ image.film_grain = (struct pl_film_grain_data) {0};
+
+ // Test mpv-style custom shaders
+ for (int i = 0; i < PL_ARRAY_SIZE(user_shader_tests); i++) {
+ printf("testing user shader:\n\n%s\n", user_shader_tests[i]);
+ const struct pl_hook *hook;
+ hook = pl_mpv_user_shader_parse(gpu, user_shader_tests[i],
+ strlen(user_shader_tests[i]));
+ REQUIRE(hook);
+
+ params.hooks = &hook;
+ params.num_hooks = 1;
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+
+ pl_mpv_user_shader_destroy(&hook);
+ }
+
+ if (gpu->glsl.compute && gpu->limits.max_ssbo_size) {
+ for (int i = 0; i < PL_ARRAY_SIZE(compute_shader_tests); i++) {
+ printf("testing user shader:\n\n%s\n", compute_shader_tests[i]);
+ const struct pl_hook *hook;
+ hook = pl_mpv_user_shader_parse(gpu, compute_shader_tests[i],
+ strlen(compute_shader_tests[i]));
+ REQUIRE(hook);
+
+ params.hooks = &hook;
+ params.num_hooks = 1;
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+
+ pl_mpv_user_shader_destroy(&hook);
+ }
+ }
+ params = pl_render_default_params;
+
+ // Test custom LUTs
+ for (int i = 0; i < PL_ARRAY_SIZE(test_luts); i++) {
+ printf("testing custom lut %d\n", i);
+ struct pl_custom_lut *lut;
+ lut = pl_lut_parse_cube(gpu->log, test_luts[i], strlen(test_luts[i]));
+ REQUIRE(lut);
+
+ bool has_3dlut = gpu->limits.max_tex_3d_dim && gpu->glsl.version > 100;
+ if (lut->size[2] && !has_3dlut) {
+ pl_lut_free(&lut);
+ continue;
+ }
+
+ // Test all three at the same time to reduce the number of tests
+ image.lut = target.lut = params.lut = lut;
+
+ for (enum pl_lut_type t = PL_LUT_UNKNOWN; t <= PL_LUT_CONVERSION; t++) {
+ printf("testing LUT method %d\n", t);
+ image.lut_type = target.lut_type = params.lut_type = t;
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ }
+
+ image.lut = target.lut = params.lut = NULL;
+ pl_lut_free(&lut);
+ }
+
+#ifdef PL_HAVE_LCMS
+
+ // It doesn't fit without use of 3D textures on GLES2
+ if (gpu->glsl.version > 100) {
+ // Test ICC profiles
+ image.profile = TEST_PROFILE(sRGB_v2_nano_icc);
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ image.profile = (struct pl_icc_profile) {0};
+
+ target.profile = TEST_PROFILE(sRGB_v2_nano_icc);
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ target.profile = (struct pl_icc_profile) {0};
+
+ image.profile = TEST_PROFILE(sRGB_v2_nano_icc);
+ target.profile = image.profile;
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ image.profile = (struct pl_icc_profile) {0};
+ target.profile = (struct pl_icc_profile) {0};
+ }
+
+#endif
+
+ // Test overlays
+ image.num_overlays = 1;
+ image.overlays = &(struct pl_overlay) {
+ .tex = img_plane.texture,
+ .mode = PL_OVERLAY_NORMAL,
+ .num_parts = 2,
+ .parts = (struct pl_overlay_part[]) {{
+ .src = {0, 0, 2, 2},
+ .dst = {30, 100, 40, 200},
+ }, {
+ .src = {2, 2, 5, 5},
+ .dst = {1000, -1, 3, 5},
+ }},
+ };
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ params.disable_fbos = true;
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ image.num_overlays = 0;
+ params = pl_render_default_params;
+
+ target.num_overlays = 1;
+ target.overlays = &(struct pl_overlay) {
+ .tex = img_plane.texture,
+ .mode = PL_OVERLAY_MONOCHROME,
+ .num_parts = 1,
+ .parts = &(struct pl_overlay_part) {
+ .src = {5, 5, 15, 15},
+ .dst = {5, 5, 15, 15},
+ .color = {1.0, 0.5, 0.0},
+ },
+ };
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ REQUIRE(pl_render_image(rr, NULL, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ target.num_overlays = 0;
+
+ // Test rotation
+ for (pl_rotation rot = 0; rot < PL_ROTATION_360; rot += PL_ROTATION_90) {
+ image.rotation = rot;
+ REQUIRE(pl_render_image(rr, &image, &target, &params));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+ }
+
+ // Attempt frame mixing, using the mixer queue helper
+ printf("testing frame mixing \n");
+ struct pl_render_params mix_params = {
+ .frame_mixer = &pl_filter_mitchell_clamp,
+ .info_callback = render_info_cb,
+ };
+
+ struct pl_queue_params qparams = {
+ .radius = pl_frame_mix_radius(&mix_params),
+ .vsync_duration = 1.0 / 60.0,
+ };
+
+ // Test large PTS jumps in frame mix
+ struct pl_frame_mix mix = (struct pl_frame_mix) {
+ .num_frames = 2,
+ .frames = (const struct pl_frame *[]) { &image, &image },
+ .signatures = (uint64_t[]) { 0xFFF1, 0xFFF2 },
+ .timestamps = (float[]) { -100, 100 },
+ .vsync_duration = 1.6,
+ };
+ REQUIRE(pl_render_image_mix(rr, &mix, &target, &mix_params));
+
+ // Test inferring frame mix
+ inferred_target = target;
+ pl_frames_infer_mix(rr, &mix, &inferred_target, &inferred_image);
+ REQUIRE(pl_render_image_mix(rr, &mix, &target, &mix_params));
+
+ // Test empty frame mix
+ mix = (struct pl_frame_mix) {0};
+ REQUIRE(pl_render_image_mix(rr, &mix, &target, &mix_params));
+
+ // Test inferring empty frame mix
+ inferred_target = target;
+ pl_frames_infer_mix(rr, &mix, &inferred_target, &inferred_image);
+ REQUIRE(pl_render_image_mix(rr, &mix, &target, &mix_params));
+
+ // Test mixer queue
+#define NUM_MIX_FRAMES 20
+ const float frame_duration = 1.0 / 24.0;
+ struct pl_source_frame srcframes[NUM_MIX_FRAMES+1];
+ srcframes[NUM_MIX_FRAMES] = (struct pl_source_frame) {0};
+ for (int i = 0; i < NUM_MIX_FRAMES; i++) {
+ srcframes[i] = (struct pl_source_frame) {
+ .pts = i * frame_duration,
+ .duration = frame_duration,
+ .map = frame_passthrough,
+ .frame_data = &image,
+ };
+ }
+
+ pl_queue queue = pl_queue_create(gpu);
+ enum pl_queue_status ret;
+
+ // Test pre-pushing all frames, with delayed EOF.
+ for (int i = 0; i < NUM_MIX_FRAMES; i++) {
+ const struct pl_source_frame *src = &srcframes[i];
+ if (i > 10) // test pushing in reverse order
+ src = &srcframes[NUM_MIX_FRAMES + 10 - i];
+ if (!pl_queue_push_block(queue, 1, src)) // mini-sleep
+ pl_queue_push(queue, src); // push it anyway, for testing
+ }
+
+ while ((ret = pl_queue_update(queue, &mix, &qparams)) != PL_QUEUE_EOF) {
+ if (ret == PL_QUEUE_MORE) {
+ REQUIRE_CMP(qparams.pts, >, 0.0f, "f");
+ pl_queue_push(queue, NULL); // push delayed EOF
+ continue;
+ }
+
+ REQUIRE_CMP(ret, ==, PL_QUEUE_OK, "u");
+ REQUIRE(pl_render_image_mix(rr, &mix, &target, &mix_params));
+
+ // Simulate advancing vsync
+ qparams.pts += qparams.vsync_duration;
+ }
+
+ // Test dynamically pulling all frames, with oversample mixer
+ const struct pl_source_frame *frame_ptr = &srcframes[0];
+ mix_params.frame_mixer = &pl_oversample_frame_mixer;
+
+ qparams = (struct pl_queue_params) {
+ .radius = pl_frame_mix_radius(&mix_params),
+ .vsync_duration = qparams.vsync_duration,
+ .get_frame = get_frame_ptr,
+ .priv = &frame_ptr,
+ };
+
+ pl_queue_reset(queue);
+ while ((ret = pl_queue_update(queue, &mix, &qparams)) != PL_QUEUE_EOF) {
+ REQUIRE_CMP(ret, ==, PL_QUEUE_OK, "u");
+ REQUIRE_CMP(mix.num_frames, <=, 2, "d");
+ REQUIRE(pl_render_image_mix(rr, &mix, &target, &mix_params));
+ qparams.pts += qparams.vsync_duration;
+ }
+
+ // Test large PTS jump
+ pl_queue_reset(queue);
+ REQUIRE(pl_queue_update(queue, &mix, &qparams) == PL_QUEUE_EOF);
+
+ // Test deinterlacing
+ pl_queue_reset(queue);
+ printf("testing deinterlacing \n");
+ for (int i = 0; i < NUM_MIX_FRAMES; i++) {
+ struct pl_source_frame *src = &srcframes[i];
+ if (i > 10)
+ src = &srcframes[NUM_MIX_FRAMES + 10 - i];
+ src->first_field = PL_FIELD_EVEN;
+ pl_queue_push(queue, src);
+ }
+ pl_queue_push(queue, NULL);
+
+ qparams.pts = 0;
+ qparams.get_frame = NULL;
+ while ((ret = pl_queue_update(queue, &mix, &qparams)) != PL_QUEUE_EOF) {
+ REQUIRE_CMP(ret, ==, PL_QUEUE_OK, "u");
+ REQUIRE(pl_render_image_mix(rr, &mix, &target, &mix_params));
+ qparams.pts += qparams.vsync_duration;
+ }
+
+ pl_queue_destroy(&queue);
+
+error:
+ pl_renderer_destroy(&rr);
+ pl_tex_destroy(gpu, &img_tex);
+ pl_tex_destroy(gpu, &fbo);
+}
+
+static struct pl_hook_res noop_hook(void *priv, const struct pl_hook_params *params)
+{
+ return (struct pl_hook_res) {0};
+}
+
+static void pl_ycbcr_tests(pl_gpu gpu)
+{
+ struct pl_plane_data data[3];
+ for (int i = 0; i < 3; i++) {
+ const int sub = i > 0 ? 1 : 0;
+ const int width = (323 + sub) >> sub;
+ const int height = (255 + sub) >> sub;
+
+ data[i] = (struct pl_plane_data) {
+ .type = PL_FMT_UNORM,
+ .width = width,
+ .height = height,
+ .component_size = {16},
+ .component_map = {i},
+ .pixel_stride = sizeof(uint16_t),
+ .row_stride = PL_ALIGN2(width * sizeof(uint16_t),
+ gpu->limits.align_tex_xfer_pitch),
+ };
+ }
+
+ pl_fmt fmt = pl_plane_find_fmt(gpu, NULL, &data[0]);
+ enum pl_fmt_caps caps = PL_FMT_CAP_RENDERABLE | PL_FMT_CAP_HOST_READABLE;
+ if (!fmt || (fmt->caps & caps) != caps)
+ return;
+
+ pl_renderer rr = pl_renderer_create(gpu->log, gpu);
+ if (!rr)
+ return;
+
+ pl_tex src_tex[3] = {0};
+ pl_tex dst_tex[3] = {0};
+ struct pl_frame img = {
+ .num_planes = 3,
+ .repr = pl_color_repr_hdtv,
+ .color = pl_color_space_bt709,
+ };
+
+ struct pl_frame target = {
+ .num_planes = 3,
+ .repr = pl_color_repr_hdtv,
+ .color = pl_color_space_bt709,
+ };
+
+ uint8_t *src_buffer[3] = {0};
+ uint8_t *dst_buffer = NULL;
+ for (int i = 0; i < 3; i++) {
+ // Generate some arbitrary data for the buffer
+ src_buffer[i] = malloc(data[i].height * data[i].row_stride);
+ if (!src_buffer[i])
+ goto error;
+
+ data[i].pixels = src_buffer[i];
+ for (int y = 0; y < data[i].height; y++) {
+ for (int x = 0; x < data[i].width; x++) {
+ size_t off = y * data[i].row_stride + x * data[i].pixel_stride;
+ uint16_t *pixel = (uint16_t *) &src_buffer[i][off];
+ int gx = 200 + 100 * i, gy = 300 + 150 * i;
+ *pixel = (gx * x) ^ (gy * y); // whatever
+ }
+ }
+
+ REQUIRE(pl_upload_plane(gpu, &img.planes[i], &src_tex[i], &data[i]));
+ }
+
+ // This co-sites chroma pixels with pixels in the RGB image, meaning we
+ // get an exact round-trip when sampling both ways. This makes it useful
+ // as a test case, even though it's not common in the real world.
+ pl_frame_set_chroma_location(&img, PL_CHROMA_TOP_LEFT);
+
+ for (int i = 0; i < 3; i++) {
+ dst_tex[i] = pl_tex_create(gpu, &(struct pl_tex_params) {
+ .format = fmt,
+ .w = data[i].width,
+ .h = data[i].height,
+ .renderable = true,
+ .host_readable = true,
+ .storable = fmt->caps & PL_FMT_CAP_STORABLE,
+ .blit_dst = fmt->caps & PL_FMT_CAP_BLITTABLE,
+ });
+
+ if (!dst_tex[i])
+ goto error;
+
+ target.planes[i] = img.planes[i];
+ target.planes[i].texture = dst_tex[i];
+ }
+
+ REQUIRE(pl_render_image(rr, &img, &target, &(struct pl_render_params) {
+ .num_hooks = 1,
+ .hooks = &(const struct pl_hook *){&(struct pl_hook) {
+ // Forces chroma merging, to test the chroma merging code
+ .stages = PL_HOOK_CHROMA_INPUT,
+ .hook = noop_hook,
+ }},
+ }));
+ REQUIRE(pl_renderer_get_errors(rr).errors == PL_RENDER_ERR_NONE);
+
+ size_t buf_size = data[0].height * data[0].row_stride;
+ dst_buffer = malloc(buf_size);
+ if (!dst_buffer)
+ goto error;
+
+ for (int i = 0; i < 3; i++) {
+ memset(dst_buffer, 0xAA, buf_size);
+ REQUIRE(pl_tex_download(gpu, &(struct pl_tex_transfer_params) {
+ .tex = dst_tex[i],
+ .ptr = dst_buffer,
+ .row_pitch = data[i].row_stride,
+ }));
+
+ for (int y = 0; y < data[i].height; y++) {
+ for (int x = 0; x < data[i].width; x++) {
+ size_t off = y * data[i].row_stride + x * data[i].pixel_stride;
+ uint16_t *src_pixel = (uint16_t *) &src_buffer[i][off];
+ uint16_t *dst_pixel = (uint16_t *) &dst_buffer[off];
+ int diff = abs((int) *src_pixel - (int) *dst_pixel);
+ REQUIRE_CMP(diff, <=, 50, "d"); // a little under 0.1%
+ }
+ }
+ }
+
+error:
+ pl_renderer_destroy(&rr);
+ free(dst_buffer);
+ for (int i = 0; i < 3; i++) {
+ free(src_buffer[i]);
+ pl_tex_destroy(gpu, &src_tex[i]);
+ pl_tex_destroy(gpu, &dst_tex[i]);
+ }
+}
+
+static void pl_test_export_import(pl_gpu gpu,
+ enum pl_handle_type handle_type)
+{
+ // Test texture roundtrip
+
+ if (!(gpu->export_caps.tex & handle_type) ||
+ !(gpu->import_caps.tex & handle_type))
+ goto skip_tex;
+
+ pl_fmt fmt = pl_find_fmt(gpu, PL_FMT_UNORM, 4, 0, 0, PL_FMT_CAP_BLITTABLE);
+ if (!fmt)
+ goto skip_tex;
+
+ printf("testing texture import/export with fmt %s\n", fmt->name);
+
+ pl_tex export = pl_tex_create(gpu, &(struct pl_tex_params) {
+ .w = 32,
+ .h = 32,
+ .format = fmt,
+ .export_handle = handle_type,
+ });
+ REQUIRE(export);
+ REQUIRE_HANDLE(export->shared_mem, handle_type);
+
+ pl_tex import = pl_tex_create(gpu, &(struct pl_tex_params) {
+ .w = export->params.w,
+ .h = export->params.h,
+ .format = fmt,
+ .import_handle = handle_type,
+ .shared_mem = export->shared_mem,
+ });
+ REQUIRE(import);
+
+ pl_tex_destroy(gpu, &import);
+ pl_tex_destroy(gpu, &export);
+
+skip_tex: ;
+
+ // Test buffer roundtrip
+
+ if (!(gpu->export_caps.buf & handle_type) ||
+ !(gpu->import_caps.buf & handle_type))
+ return;
+
+ printf("testing buffer import/export\n");
+
+ pl_buf exp_buf = pl_buf_create(gpu, &(struct pl_buf_params) {
+ .size = 32,
+ .export_handle = handle_type,
+ });
+ REQUIRE(exp_buf);
+ REQUIRE_HANDLE(exp_buf->shared_mem, handle_type);
+
+ pl_buf imp_buf = pl_buf_create(gpu, &(struct pl_buf_params) {
+ .size = 32,
+ .import_handle = handle_type,
+ .shared_mem = exp_buf->shared_mem,
+ });
+ REQUIRE(imp_buf);
+
+ pl_buf_destroy(gpu, &imp_buf);
+ pl_buf_destroy(gpu, &exp_buf);
+}
+
+static void pl_test_host_ptr(pl_gpu gpu)
+{
+ if (!(gpu->import_caps.buf & PL_HANDLE_HOST_PTR))
+ return;
+
+#ifdef __unix__
+
+ printf("testing host ptr\n");
+ REQUIRE(gpu->limits.max_mapped_size);
+
+ const size_t size = 2 << 20;
+ const size_t offset = 2 << 10;
+ const size_t slice = 2 << 16;
+
+ uint8_t *data = aligned_alloc(0x1000, size);
+ for (int i = 0; i < size; i++)
+ data[i] = (uint8_t) i;
+
+ pl_buf buf = pl_buf_create(gpu, &(struct pl_buf_params) {
+ .size = slice,
+ .import_handle = PL_HANDLE_HOST_PTR,
+ .shared_mem = {
+ .handle.ptr = data,
+ .size = size,
+ .offset = offset,
+ },
+ .host_mapped = true,
+ });
+
+ REQUIRE(buf);
+ REQUIRE_MEMEQ(data + offset, buf->data, slice);
+
+ pl_buf_destroy(gpu, &buf);
+ free(data);
+
+#endif // unix
+}
+
+static void gpu_shader_tests(pl_gpu gpu)
+{
+ pl_buffer_tests(gpu);
+ pl_texture_tests(gpu);
+ pl_planar_tests(gpu);
+ pl_shader_tests(gpu);
+ pl_scaler_tests(gpu);
+ pl_render_tests(gpu);
+ pl_ycbcr_tests(gpu);
+
+ REQUIRE(!pl_gpu_is_failed(gpu));
+}
+
+static void gpu_interop_tests(pl_gpu gpu)
+{
+ pl_test_export_import(gpu, PL_HANDLE_DMA_BUF);
+ pl_test_host_ptr(gpu);
+
+ REQUIRE(!pl_gpu_is_failed(gpu));
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 14:14:05 +0000