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/*
* Copyright © 2014 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 pipeline_stats_comp.c
*
* This test verifies that the vertex shader related tokens of
* ARB_pipeline_statistics_query() work as expected. OpenGL 4.4
* Specification, Core Profile.
*
* When BeginQuery is called with a target of
* COMPUTE_SHADER_INVOCATIONS_ARB, the compute shader invocations
* count maintained by the GL is set to zero. When a compute shader
* invocations query is active, the counter is incremented every time
* the compute shader is invoked (see chapter 19).
*
*/
#include "piglit-util-gl.h"
#include "pipestat_help.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_core_version = 32;
config.supports_gl_compat_version = 32;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
PIGLIT_GL_TEST_CONFIG_END
#define NUM_ATOMIC_COUNTERS 1
static GLuint atomics_bo = 0;
static int sizes[] = {
1, 2, 3, 4, 5, 7, 8, 9, 15, 16, 17, 31, 32, 33, 63, 64, 65,
127, 128, 129, 255, 256, 257, 511, 512, 513, 1023, 1024
};
static struct query queries[] = {
{
.query = GL_COMPUTE_SHADER_INVOCATIONS_ARB,
.min = 0 /* Adjusted by confirm_size */},
};
static const char *compute_shader_template =
"#version 330\n"
"#extension GL_ARB_compute_shader: enable\n"
"#extension GL_ARB_shader_atomic_counters: require\n"
"\n"
"layout(binding = 0) uniform atomic_uint atc;\n"
"\n"
"layout(local_size_x = %d, local_size_y = %d, local_size_z = %d) in;\n"
"\n"
"void main()\n"
"{\n"
" atomicCounterIncrement(atc);\n"
"}\n";
static void
dispatch_size(uint32_t x, uint32_t y, uint32_t z)
{
char *compute_shader;
GLuint shader = glCreateShader(GL_COMPUTE_SHADER);
GLint ok;
static GLint prog = 0;
if (prog != 0) {
glDeleteProgram(prog);
}
(void)!asprintf(&compute_shader, compute_shader_template, x, y, z);
glShaderSource(shader, 1,
(const GLchar **) &compute_shader,
NULL);
glCompileShader(shader);
glGetShaderiv(shader, GL_COMPILE_STATUS, &ok);
assert(ok);
prog = glCreateProgram();
glAttachShader(prog, shader);
glLinkProgram(prog);
glGetProgramiv(prog, GL_LINK_STATUS, &ok);
assert(ok);
glUseProgram(prog);
glMemoryBarrier(GL_ALL_BARRIER_BITS);
glDispatchCompute(1, 1, 1);
glMemoryBarrier(GL_ALL_BARRIER_BITS);
}
static void
test_all_sizes_for_query(void)
{
uint32_t xi, yi, zi;
uint32_t x, y, z;
for (zi = 0; zi < ARRAY_SIZE(sizes); zi++) {
z = sizes[zi];
if (z > 64)
break;
for (yi = 0; yi < ARRAY_SIZE(sizes); yi++) {
y = sizes[yi];
if ((y * z) > 1024)
break;
for (xi = 0; xi < ARRAY_SIZE(sizes); xi++) {
x = sizes[xi];
if ((x * y * z) > 1024)
break;
dispatch_size(x, y, z);
/* Adjust the expected count. This
* will be verified after we
* return. */
queries[0].min += x * y * z;
}
}
}
}
enum piglit_result
piglit_display(void)
{
return PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
enum piglit_result result;
GLuint *atomics_buf;
piglit_require_extension("GL_ARB_compute_shader");
piglit_require_extension("GL_ARB_shader_atomic_counters");
do_query_init(queries, ARRAY_SIZE(queries));
atomics_buf = calloc(NUM_ATOMIC_COUNTERS, sizeof(GLuint));
glGenBuffers(1, &atomics_bo);
glBindBufferBase(GL_ATOMIC_COUNTER_BUFFER, 0, atomics_bo);
glBufferData(GL_ATOMIC_COUNTER_BUFFER,
sizeof(GLuint) * NUM_ATOMIC_COUNTERS,
atomics_buf, GL_STATIC_DRAW);
free(atomics_buf);
result = do_query_func(queries, ARRAY_SIZE(queries),
test_all_sizes_for_query);
piglit_report_result(result);
}
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