diff options
| -rw-r--r-- | tests/all.tests | 1 | ||||
| -rw-r--r-- | tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt | 1 | ||||
| -rw-r--r-- | tests/spec/arb_shader_atomic_counters/unique-id.c | 219 |
3 files changed, 221 insertions, 0 deletions
diff --git a/tests/all.tests b/tests/all.tests index 1c5dc9c3a..b928e9156 100644 --- a/tests/all.tests +++ b/tests/all.tests @@ -3180,6 +3180,7 @@ arb_shader_atomic_counters['max-counters'] = concurrent_test('arb_shader_atomic_ arb_shader_atomic_counters['minmax'] = concurrent_test('arb_shader_atomic_counters-minmax') arb_shader_atomic_counters['multiple-defs'] = concurrent_test('arb_shader_atomic_counters-multiple-defs') arb_shader_atomic_counters['semantics'] = concurrent_test('arb_shader_atomic_counters-semantics') +arb_shader_atomic_counters['unique-id'] = concurrent_test('arb_shader_atomic_counters-unique-id') profile.tests['hiz'] = hiz profile.tests['fast_color_clear'] = fast_color_clear diff --git a/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt b/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt index 8eb3692fb..25b56ba01 100644 --- a/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt +++ b/tests/spec/arb_shader_atomic_counters/CMakeLists.gl.txt @@ -20,5 +20,6 @@ add_executable (arb_shader_atomic_counters-max-counters max-counters.c common.c) add_executable (arb_shader_atomic_counters-minmax minmax.c common.c) add_executable (arb_shader_atomic_counters-multiple-defs multiple-defs.c common.c) add_executable (arb_shader_atomic_counters-semantics semantics.c common.c) +add_executable (arb_shader_atomic_counters-unique-id unique-id.c common.c) # vim: ft=cmake: diff --git a/tests/spec/arb_shader_atomic_counters/unique-id.c b/tests/spec/arb_shader_atomic_counters/unique-id.c new file mode 100644 index 000000000..2858ad312 --- /dev/null +++ b/tests/spec/arb_shader_atomic_counters/unique-id.c @@ -0,0 +1,219 @@ +/* + * Copyright © 2013 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +/** @file unique-id.c + * + * Tests that concurrent execution of atomic operations on the same + * counter yield unique values for each vertex or fragment shader + * thread. + */ + +#include "common.h" + +#define L 256 +#define N (L * L) + +PIGLIT_GL_TEST_CONFIG_BEGIN + + config.supports_gl_core_version = 31; + + config.window_width = L; + config.window_height = L; + config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA; + +PIGLIT_GL_TEST_CONFIG_END + +static bool +check(int dx, int dy, uint32_t start_value, uint32_t end_value) +{ + const uint32_t base = MIN2(start_value, end_value); + const uint32_t size = MAX2(start_value, end_value) - base; + uint32_t pixels[L][L]; + uint32_t *frequency = malloc(size * sizeof(uint32_t)); + int x, y; + + memset(frequency, 0, size * sizeof(uint32_t)); + glReadPixels(0, 0, L, L, GL_RED_INTEGER, GL_UNSIGNED_INT, pixels); + + for (y = 0; y < L; y += dy) { + for (x = 0; x < L; x += dx) { + uint32_t v = pixels[y][x] - base; + + if (v >= size) { + printf("Probe value at (%d, %d)\n", x, y); + printf(" Observed: 0x%08x\n", v); + printf(" Value outside expected window.\n"); + return false; + } + + if (size > 1 && frequency[v]++) { + printf("Probe value at (%d, %d)\n", x, y); + printf(" Observed: 0x%08x\n", v); + printf(" Value not unique.\n"); + return false; + } + } + } + + free(frequency); + return true; +} + +static bool +run_test_vertex(const char *op, uint32_t start_value, uint32_t end_value) +{ + const char *fs_source = "#version 140\n" + "smooth in vec4 vcolor;\n" + "out ivec4 fcolor;\n" + "void main() {\n" + " fcolor.x = int(round(vcolor.x));\n" + "}\n"; + const char *vs_template = "#version 140\n" + "#extension GL_ARB_shader_atomic_counters : enable\n" + "\n" + "#define OP %s\n" + "\n" + "layout(binding = 0, offset = 0) uniform atomic_uint x;\n" + "in vec4 piglit_vertex;\n" + "smooth out vec4 vcolor;\n" + "\n" + "void main() {\n" + " uint y = OP(x);" + " vcolor.x = float(y);\n" + " gl_Position = piglit_vertex;\n" + "}\n"; + char *vs_source; + GLuint prog = glCreateProgram(); + int ret; + + ret = asprintf(&vs_source, vs_template, op); + assert(ret > 0); + + ret = atomic_counters_compile(prog, GL_FRAGMENT_SHADER, fs_source) && + atomic_counters_compile(prog, GL_VERTEX_SHADER, vs_source) && + atomic_counters_draw_rect(prog, 1, &start_value) && + check(L - 1, L - 1, start_value, end_value); + + free(vs_source); + glDeleteProgram(prog); + return ret; +} + +static bool +run_test_fragment(const char *op, uint32_t start_value, uint32_t end_value) +{ + const char *fs_template = "#version 140\n" + "#extension GL_ARB_shader_atomic_counters : enable\n" + "\n" + "#define OP %s\n" + "\n" + "layout(binding = 0, offset = 0) uniform atomic_uint x;\n" + "out ivec4 fcolor;\n" + "\n" + "void main() {\n" + " fcolor.x = int(OP(x));\n" + "}\n"; + char *fs_source; + const char *vs_source = "#version 140\n" + "in vec4 piglit_vertex;\n" + "\n" + "void main() {\n" + " gl_Position = piglit_vertex;\n" + "}\n"; + GLuint prog = glCreateProgram(); + int ret; + + ret = asprintf(&fs_source, fs_template, op); + assert(ret > 0); + + ret = atomic_counters_compile(prog, GL_FRAGMENT_SHADER, fs_source) && + atomic_counters_compile(prog, GL_VERTEX_SHADER, vs_source) && + atomic_counters_draw_rect(prog, 1, &start_value) && + check(1, 1, start_value, end_value); + + free(fs_source); + glDeleteProgram(prog); + return ret; +} + +void +piglit_init(int argc, char **argv) +{ + GLuint fb, rb, buffer; + + piglit_require_gl_version(31); + piglit_require_extension("GL_ARB_shader_atomic_counters"); + + glGenFramebuffers(1, &fb); + glGenRenderbuffers(1, &rb); + + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fb); + glBindFramebuffer(GL_READ_FRAMEBUFFER, fb); + glBindRenderbuffer(GL_RENDERBUFFER, rb); + + glRenderbufferStorage(GL_RENDERBUFFER, GL_R32UI, L, L); + glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, + GL_RENDERBUFFER, rb); + + glGenBuffers(1, &buffer); + glBindBufferBase(GL_ATOMIC_COUNTER_BUFFER, 0, buffer); +} + +enum piglit_result +piglit_display(void) +{ + enum piglit_result status = PIGLIT_PASS; + + atomic_counters_subtest(&status, GL_VERTEX_SHADER, + "Vertex atomic increment atomicity", + run_test_vertex, + "atomicCounterIncrement", 0, 4); + + atomic_counters_subtest(&status, GL_VERTEX_SHADER, + "Vertex atomic decrement atomicity", + run_test_vertex, + "atomicCounterDecrement", 4, 0); + + atomic_counters_subtest(&status, GL_VERTEX_SHADER, + "Vertex atomic read atomicity", + run_test_vertex, + "atomicCounter", 100, 101); + + atomic_counters_subtest(&status, GL_FRAGMENT_SHADER, + "Fragment atomic increment atomicity", + run_test_fragment, + "atomicCounterIncrement", 0, N); + + atomic_counters_subtest(&status, GL_FRAGMENT_SHADER, + "Fragment atomic decrement atomicity", + run_test_fragment, + "atomicCounterDecrement", N, 0); + + atomic_counters_subtest(&status, GL_FRAGMENT_SHADER, + "Fragment atomic read atomicity", + run_test_fragment, + "atomicCounter", 0, 1); + + piglit_report_result(status); + return status; +} |