From 52858febab7ee2cb1619bb4144f46d5b5b00f500 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Tue, 20 Jun 2017 03:09:52 +0200 Subject: drawoverhead: test images and image buffers --- tests/perf/drawoverhead.c | 206 +++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 185 insertions(+), 21 deletions(-) (limited to 'tests') diff --git a/tests/perf/drawoverhead.c b/tests/perf/drawoverhead.c index 4e04a050c..fa6e1bbde 100644 --- a/tests/perf/drawoverhead.c +++ b/tests/perf/drawoverhead.c @@ -91,12 +91,15 @@ get_vs_text(char *s, unsigned num_vbos, unsigned num_tbos, bool is_second) static void get_fs_text(char *s, unsigned num_ubos, unsigned num_textures, - unsigned num_tbos, bool is_second) + unsigned num_tbos, unsigned num_images, unsigned num_imgbos, + bool is_second) { unsigned i; sprintf(s, "#version %u\n", num_tbos ? 140 : 130); strcat(s, "#extension GL_ARB_uniform_buffer_object : require\n"); + if (num_images || num_imgbos) + strcat(s, "#extension GL_ARB_shader_image_load_store : require\n"); sprintf(s + strlen(s), "uniform int index = 0;\n" "uniform vec4 u[%u];\n", is_second ? 240 : 1); @@ -105,6 +108,10 @@ get_fs_text(char *s, unsigned num_ubos, unsigned num_textures, sprintf(s + strlen(s), "uniform sampler2D s%u;\n", i); for (i = 0; i < num_tbos; i++) sprintf(s + strlen(s), "uniform samplerBuffer sb%u;\n", i); + for (i = 0; i < num_images; i++) + sprintf(s + strlen(s), "layout(rgba8) readonly uniform image2D i%u;\n", i); + for (i = 0; i < num_imgbos; i++) + sprintf(s + strlen(s), "layout(rgba8) readonly uniform imageBuffer ib%u;\n", i); for (i = 0; i < num_ubos; i++) sprintf(s + strlen(s), "uniform ub%u { vec4 ubu%u[10]; };\n", i, i); strcat(s, "void main() {\n"); @@ -113,6 +120,10 @@ get_fs_text(char *s, unsigned num_ubos, unsigned num_textures, sprintf(s + strlen(s), " + texture(s%u, u[0].xy)", i); for (i = 0; i < num_tbos; i++) sprintf(s + strlen(s), " + texelFetch(sb%u, int(u[0].x))", i); + for (i = 0; i < num_images; i++) + sprintf(s + strlen(s), " + imageLoad(i%u, ivec2(u[0].xy))", i); + for (i = 0; i < num_imgbos; i++) + sprintf(s + strlen(s), " + imageLoad(ib%u, int(u[0].x))", i); for (i = 0; i < num_ubos; i++) sprintf(s + strlen(s), " + ubu%u[index]", i); if (is_second) @@ -124,7 +135,9 @@ static void setup_shaders_and_resources(unsigned num_vbos, unsigned num_ubos, unsigned num_textures, - unsigned num_tbos) + unsigned num_tbos, + unsigned num_images, + unsigned num_imgbos) { const unsigned max = 16; char vs[4096], fs[4096]; @@ -141,7 +154,8 @@ setup_shaders_and_resources(unsigned num_vbos, /* Create two programs in case we want to test program changes. */ for (p = 0; p < 2; p++) { get_vs_text(vs, num_vbos, num_tbos, p); - get_fs_text(fs, num_ubos, num_textures, num_tbos, p); + get_fs_text(fs, num_ubos, num_textures, num_tbos, num_images, + num_imgbos, p); prog[p] = piglit_build_simple_program(vs, fs); /* Assign texture units to samplers. */ @@ -165,6 +179,24 @@ setup_shaders_and_resources(unsigned num_vbos, assert(loc >= 0); glUniform1i(loc, num_textures + i); } + for (i = 0; i < num_images; i++) { + char name[20]; + int loc; + + snprintf(name, sizeof(name), "i%u", i); + loc = glGetUniformLocation(prog[p], name); + assert(loc >= 0); + glUniform1i(loc, i); + } + for (i = 0; i < num_imgbos; i++) { + char name[20]; + int loc; + + snprintf(name, sizeof(name), "ib%u", i); + loc = glGetUniformLocation(prog[p], name); + assert(loc >= 0); + glUniform1i(loc, num_images + i); + } /* Assign UBO slots to uniform blocks. */ for (i = 0; i < num_ubos; i++) { char block[20]; @@ -208,13 +240,13 @@ setup_shaders_and_resources(unsigned num_vbos, 3 * sizeof(float), NULL); glEnableVertexAttribArray(i); } - for (i = 0; i < num_textures; i++) { + for (i = 0; i < MAX2(num_textures, num_images); i++) { glActiveTexture(GL_TEXTURE0 + i); /* Save the last texture IDs for testing texture changes. */ tex[i % 8] = piglit_rgbw_texture(GL_RGBA8, 4, 4, false, true, GL_UNSIGNED_BYTE); } - for (i = 0; i < num_tbos; i++) { + for (i = 0; i < MAX2(num_tbos, num_imgbos); i++) { static const float data[10*4]; GLuint buf, tb; @@ -366,6 +398,89 @@ draw_many_tbo_change(unsigned count) } } +static void +draw_one_img_change(unsigned count) +{ + unsigned i; + if (indexed) { + for (i = 0; i < count; i++) { + glBindImageTexture(0, tex[i & 1], 0, false, 0, + GL_READ_ONLY, GL_RGBA8); + glDrawElements(GL_TRIANGLES, 3, GL_UNSIGNED_INT, NULL); + } + } else { + for (i = 0; i < count; i++) { + glBindImageTexture(0, tex[i & 1], 0, false, 0, + GL_READ_ONLY, GL_RGBA8); + glDrawArrays(GL_TRIANGLES, 0, 3); + } + } +} + +static void +draw_many_img_change(unsigned count) +{ + unsigned i,j; + if (indexed) { + for (i = 0; i < count; i++) { + for (j = 0; j < 8; j++) + glBindImageTexture(0, tex[(i + j) % 8], 0, false, + 0, GL_READ_ONLY, GL_RGBA8); + glDrawElements(GL_TRIANGLES, 3, GL_UNSIGNED_INT, NULL); + } + } else { + for (i = 0; i < count; i++) { + for (j = 0; j < 8; j++) + glBindImageTexture(0, tex[(i + j) % 8], 0, false, + 0, GL_READ_ONLY, GL_RGBA8); + glActiveTexture(GL_TEXTURE0); + glDrawArrays(GL_TRIANGLES, 0, 3); + } + } +} + +static void +draw_one_imgbo_change(unsigned count) +{ + unsigned i; + if (indexed) { + for (i = 0; i < count; i++) { + glBindImageTexture(0, tbo[i & 1], 0, false, 0, + GL_READ_ONLY, GL_RGBA8); + glDrawElements(GL_TRIANGLES, 3, GL_UNSIGNED_INT, NULL); + } + } else { + for (i = 0; i < count; i++) { + glBindImageTexture(0, tbo[i & 1], 0, false, 0, + GL_READ_ONLY, GL_RGBA8); + glDrawArrays(GL_TRIANGLES, 0, 3); + } + } +} + +static void +draw_many_imgbo_change(unsigned count) +{ + unsigned i,j; + if (indexed) { + for (i = 0; i < count; i++) { + for (j = 0; j < 8; j++) + glBindImageTexture(0, tbo[(i + j) % 8], 0, false, + 0, GL_READ_ONLY, GL_RGBA8); + glActiveTexture(GL_TEXTURE0); + glDrawElements(GL_TRIANGLES, 3, GL_UNSIGNED_INT, NULL); + } + } else { + for (i = 0; i < count; i++) { + for (j = 0; j < 8; j++) + glBindImageTexture(0, tbo[(i + j) % 8], 0, false, + 0, GL_READ_ONLY, GL_RGBA8); + glActiveTexture(GL_TEXTURE0); + glDrawArrays(GL_TRIANGLES, 0, 3); + } + } +} + static void draw_one_ubo_change(unsigned count) { @@ -520,7 +635,8 @@ draw_vertex_attrib_change(unsigned count) static double perf_run(const char *call, unsigned num_vbos, unsigned num_ubos, - unsigned num_textures, unsigned num_tbos, + unsigned num_textures, unsigned num_tbos, unsigned num_images, + unsigned num_imgbos, const char *change, perf_rate_func f, double base_rate) { static unsigned test_index; @@ -532,8 +648,13 @@ perf_run(const char *call, unsigned num_vbos, unsigned num_ubos, printf(" %3u: %s (%2u VBO, %u UBO, %2u %s) w/ %s change:%*s" COLOR_CYAN "%s" COLOR_RESET " %s(%.1f%%)" COLOR_RESET "\n", test_index, call, num_vbos, num_ubos, - num_textures ? num_textures : num_tbos, - num_textures ? "Tex" : num_tbos ? "TBO" : " ", + num_textures ? num_textures : + num_tbos ? num_tbos : + num_images ? num_images : num_imgbos, + num_textures ? "Tex" : + num_tbos ? "TBO" : + num_images ? "Img" : + num_imgbos ? "ImB" : " ", change, MAX2(36 - (int)strlen(change) - (int)strlen(call), 0), "", perf_human_float(rate), @@ -568,20 +689,24 @@ static void perf_draw_variant(const char *call, bool is_indexed) { double base_rate = 0; - unsigned num_vbos, num_ubos, num_textures, num_tbos; indexed = is_indexed; /* Test different shader resource usage without state changes. */ - num_ubos = 0; - num_textures = 0; - num_tbos = 0; + unsigned num_ubos = 0; + unsigned num_textures = 0; + unsigned num_tbos = 0; + unsigned num_images = 0; + unsigned num_imgbos = 0; + unsigned num_vbos; + for (num_vbos = 1; num_vbos <= 16; num_vbos *= 4) { setup_shaders_and_resources(num_vbos, num_ubos, num_textures, - num_tbos); + num_tbos, num_images, num_imgbos); double rate = perf_run(call, num_vbos, num_ubos, num_textures, - num_tbos, "no state", draw, base_rate); + num_tbos, num_images, num_imgbos, + "no state", draw, base_rate); if (num_vbos == 1) base_rate = rate; } @@ -589,68 +714,107 @@ perf_draw_variant(const char *call, bool is_indexed) num_vbos = 1; num_ubos = 0; num_textures = 16; - setup_shaders_and_resources(num_vbos, num_ubos, num_textures, num_tbos); - perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, "no state", - draw, base_rate); + setup_shaders_and_resources(num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos); + perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, num_images, + num_imgbos, "no state", draw, base_rate); /* Test state changes. */ num_ubos = 4; num_textures = 8; for (num_vbos = 1; num_vbos <= 16; num_vbos *= 16) { setup_shaders_and_resources(num_vbos, num_ubos, num_textures, - num_tbos); + num_tbos, num_images, num_imgbos); perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "no state", draw, base_rate); perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "shader program", draw_shader_change, base_rate); perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "vertex attrib", draw_vertex_attrib_change, base_rate); perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "1 texture", draw_one_texture_change, base_rate); perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "8 textures", draw_many_texture_change, base_rate); if (!is_compat) { num_textures = 0; + num_tbos = 8; setup_shaders_and_resources(num_vbos, num_ubos, num_textures, - num_tbos); + num_tbos, num_images, num_imgbos); perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "1 TBO", draw_one_tbo_change, base_rate); perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "8 TBOs", draw_many_tbo_change, base_rate); + num_tbos = 0; + + num_images = 8; + setup_shaders_and_resources(num_vbos, num_ubos, num_textures, + num_tbos, num_images, num_imgbos); + perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, + "1 image", draw_one_img_change, base_rate); + perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, + "8 images", draw_many_img_change, base_rate); + num_images = 0; + + num_imgbos = 8; + setup_shaders_and_resources(num_vbos, num_ubos, num_textures, + num_tbos, num_images, num_imgbos); + perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, + "1 image buffer", draw_one_imgbo_change, base_rate); + perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, + "8 image buffers", draw_many_imgbo_change, base_rate); + num_imgbos = 0; + num_textures = 8; num_tbos = 0; setup_shaders_and_resources(num_vbos, num_ubos, num_textures, - num_tbos); + num_tbos, num_images, num_imgbos); } perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "1 UBO", draw_one_ubo_change, base_rate); perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "4 UBOs", draw_many_ubo_change, base_rate); glUseProgram(prog[0]); uniform_loc = glGetUniformLocation(prog[0], "u"); perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "few uniforms / 1", draw_uniform_change, base_rate); glUseProgram(prog[1]); uniform_loc = glGetUniformLocation(prog[1], "u"); perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "many uniforms / 1", draw_uniform_change, base_rate); glUseProgram(prog[0]); perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "scissor", draw_scissor_change, base_rate); perf_run(call, num_vbos, num_ubos, num_textures, num_tbos, + num_images, num_imgbos, "viewport", draw_viewport_change, base_rate); for (int state = 0; state < ARRAY_SIZE(enable_states); state++) { enable_enum = enable_states[state].enable; perf_run(call, num_vbos, num_ubos, num_textures, - num_tbos, + num_tbos, num_images, num_imgbos, enable_states[state].name, draw_state_change, base_rate); } -- cgit v1.2.3