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/*
* 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 active-counters.c
*
* Compile a shader with a bunch of atomic counters and check that the
* active atomic counter and buffer query functions return sane
* results.
*/
#include "common.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_core_version = 31;
config.window_width = 1;
config.window_height = 1;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
config.khr_no_error_support = PIGLIT_NO_ERRORS;
PIGLIT_GL_TEST_CONFIG_END
const char *fs_source = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"out ivec4 fcolor;\n"
"\n"
"layout(binding=0) uniform atomic_uint x0[2];\n"
"layout(binding=0) uniform atomic_uint x1;\n"
"layout(binding=3, offset=8) uniform atomic_uint x2;\n"
"layout(binding=3, offset=12) uniform atomic_uint x3;\n"
"\n"
"layout(binding=7, binding=2, offset=4) uniform;\n"
"\n"
"layout(binding=2) uniform atomic_uint x4;\n"
"layout(binding=7, offset=8, offset=0) uniform atomic_uint x5;\n"
"layout(binding=3) uniform atomic_uint x6, x7;\n"
"\n"
"void main() {\n"
" fcolor.x = int(atomicCounter(x0[0]) + atomicCounter(x0[1])\n"
" + atomicCounter(x1) + atomicCounter(x2)\n"
" + atomicCounter(x3) + atomicCounter(x4)\n"
" + atomicCounter(x5) + atomicCounter(x6)\n"
" + atomicCounter(x7));\n"
"}\n";
struct buffer_info {
unsigned num_counters;
unsigned min_reasonable_size;
};
static const struct buffer_info *
expected_buffer_info(unsigned binding)
{
if (binding == 0) {
static const struct buffer_info info = { 2, 12 };
return &info;
} else if (binding == 2) {
static const struct buffer_info info = { 1, 4 };
return &info;
} else if (binding == 3) {
static const struct buffer_info info = { 4, 24 };
return &info;
} else if (binding == 7) {
static const struct buffer_info info = { 1, 4 };
return &info;
} else {
return NULL;
}
}
struct counter_info {
unsigned binding;
unsigned offset;
unsigned size;
};
static const struct counter_info *
expected_counter_info(const char *name)
{
static const struct {
const char *name;
const struct counter_info info;
} counters[] = {
{ "x0[0]", { 0, 0, 2 } },
{ "x1", { 0, 8, 1 }},
{ "x2", { 3, 8, 1 }},
{ "x3", { 3, 12, 1 }},
{ "x4", { 2, 0, 1 }},
{ "x5", { 7, 0, 1 }},
{ "x6", { 3, 16, 1 }},
{ "x7", { 3, 20, 1 }},
};
int i;
for (i = 0; i < ARRAY_SIZE(counters); i++) {
if (!strcmp(counters[i].name, name))
return &counters[i].info;
}
return NULL;
}
void
piglit_init(int argc, char **argv)
{
struct atomic_counters_limits ls = atomic_counters_get_limits();
bool visited_buffers[8] = { false };
bool visited_counters[8] = { false };
GLuint prog = glCreateProgram();
int i, j, n, ret;
piglit_require_gl_version(31);
piglit_require_extension("GL_ARB_shader_atomic_counters");
if (ls.fragment_counters < 9) {
fprintf(stderr, "Insufficient number of supported atomic "
"counters.\n");
piglit_report_result(PIGLIT_SKIP);
}
if (ls.fragment_buffers < 4) {
fprintf(stderr, "Insufficient number of supported atomic "
"counter buffers.\n");
piglit_report_result(PIGLIT_SKIP);
}
if (!atomic_counters_compile(prog, GL_FRAGMENT_SHADER, fs_source)) {
fprintf(stderr, "Program failed to compile.\n");
piglit_report_result(PIGLIT_FAIL);
}
if (!atomic_counters_link(prog)) {
fprintf(stderr, "Program failed to link.\n");
piglit_report_result(PIGLIT_FAIL);
}
glGetProgramiv(prog, GL_ACTIVE_ATOMIC_COUNTER_BUFFERS, &n);
if (n != 4) {
fprintf(stderr, "Unexpected number of active counter "
"buffers.\n");
piglit_report_result(PIGLIT_FAIL);
}
if (!piglit_khr_no_error) {
ret = 0xdeadbeef;
glGetActiveAtomicCounterBufferiv(
prog, n, GL_ATOMIC_COUNTER_BUFFER_BINDING, &ret);
if (!piglit_check_gl_error(GL_INVALID_VALUE)) {
fprintf(stderr, "glGetActiveAtomicCounterBufferiv "
"should have failed when trying to query a "
"non-existent buffer.\n");
piglit_report_result(PIGLIT_FAIL);
}
if (ret != 0xdeadbeef) {
fprintf(stderr, "Failed call to "
"glGetActiveAtomicCounterBufferiv didn't "
"preserve the output parameter contents.\n");
piglit_report_result(PIGLIT_FAIL);
}
}
for (i = 0; i < n; ++i) {
const struct buffer_info *binfo;
int binding, data_size, num_counters, ref;
GLuint counters[4];
glGetActiveAtomicCounterBufferiv(
prog, i, GL_ATOMIC_COUNTER_BUFFER_BINDING, &binding);
if (!piglit_check_gl_error(GL_NO_ERROR)) {
fprintf(stderr, "Couldn't obtain counter buffer binding"
" point.\n");
piglit_report_result(PIGLIT_FAIL);
}
binfo = expected_buffer_info(binding);
if (!binfo) {
fprintf(stderr, "Got unexpected buffer binding "
"point.\n");
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveAtomicCounterBufferiv(
prog, i, GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE,
&data_size);
if (!piglit_check_gl_error(GL_NO_ERROR) ||
data_size < binfo->min_reasonable_size) {
fprintf(stderr, "Invalid buffer data size: %d,"
" expected at least: %d.\n", data_size,
binfo->min_reasonable_size);
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveAtomicCounterBufferiv(
prog, i, GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS,
&num_counters);
if (!piglit_check_gl_error(GL_NO_ERROR) ||
num_counters != binfo->num_counters) {
fprintf(stderr, "Invalid number of atomic counters: %d,"
" expected: %d.\n", num_counters,
binfo->num_counters);
piglit_report_result(PIGLIT_FAIL);
}
if (visited_buffers[i]) {
fprintf(stderr, "Buffer at binding point %d seen twice."
"\n", binding);
piglit_report_result(PIGLIT_FAIL);
}
visited_buffers[i] = true;
glGetActiveAtomicCounterBufferiv(prog, i,
GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER,
&ref);
if (!piglit_check_gl_error(GL_NO_ERROR) || ref) {
fprintf(stderr, "Buffer incorrectly reported to be "
"referenced by vertex shader.\n");
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveAtomicCounterBufferiv(prog, i,
GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER,
&ref);
if (!piglit_check_gl_error(GL_NO_ERROR) || ref) {
fprintf(stderr, "Buffer incorrectly reported to be "
"referenced by tessellation control shader.\n");
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveAtomicCounterBufferiv(prog, i,
GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER,
&ref);
if (!piglit_check_gl_error(GL_NO_ERROR) || ref) {
fprintf(stderr, "Buffer incorrectly reported to be "
"referenced by tessellation evaluation shader."
"\n");
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveAtomicCounterBufferiv(prog, i,
GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER,
&ref);
if (!piglit_check_gl_error(GL_NO_ERROR) || ref) {
fprintf(stderr, "Buffer incorrectly reported to be "
"referenced by geometry shader.\n");
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveAtomicCounterBufferiv(prog, i,
GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER,
&ref);
if (!piglit_check_gl_error(GL_NO_ERROR) || !ref) {
fprintf(stderr, "Buffer incorrectly reported as "
"unreferenced from the fragment shader.\n");
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveAtomicCounterBufferiv(prog, i,
GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES,
(GLint *)counters);
if (!piglit_check_gl_error(GL_NO_ERROR)) {
fprintf(stderr, "Couldn't obtain list of active atomic "
"counters for buffer at binding point %d.\n",
binding);
piglit_report_result(PIGLIT_FAIL);
}
for (j = 0; j < num_counters; ++j) {
const struct counter_info *cinfo;
int unif_type, unif_size, unif_name_len,
unif_block_idx, unif_offset, unif_stride,
unif_buffer_idx;
char unif_name[8];
glGetActiveUniformName(prog, counters[j],
sizeof(unif_name), NULL,
unif_name);
cinfo = expected_counter_info(unif_name);
if (!piglit_check_gl_error(GL_NO_ERROR) || !cinfo) {
fprintf(stderr, "Unknown atomic counter \"%s\"."
"\n", unif_name);
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveUniformsiv(prog, 1, &counters[j],
GL_UNIFORM_TYPE, &unif_type);
if (!piglit_check_gl_error(GL_NO_ERROR) ||
unif_type != GL_UNSIGNED_INT_ATOMIC_COUNTER) {
fprintf(stderr, "Atomic counter \"%s\" has "
"invalid type 0x%x, expected 0x%x.\n",
unif_name, unif_type,
GL_UNSIGNED_INT_ATOMIC_COUNTER);
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveUniformsiv(prog, 1, &counters[j],
GL_UNIFORM_SIZE, &unif_size);
if (!piglit_check_gl_error(GL_NO_ERROR) ||
unif_size != cinfo->size) {
fprintf(stderr, "Atomic counter \"%s\" has "
"invalid size %d, expected: %d.\n",
unif_name, unif_size, cinfo->size);
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveUniformsiv(prog, 1, &counters[j],
GL_UNIFORM_NAME_LENGTH, &unif_name_len);
if (!piglit_check_gl_error(GL_NO_ERROR) ||
unif_name_len != strlen(unif_name) + 1) {
fprintf(stderr, "Atomic counter \"%s\" has "
"invalid name length %d, expected: %d."
"\n", unif_name, unif_name_len,
(int)strlen(unif_name) + 1);
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveUniformsiv(prog, 1, &counters[j],
GL_UNIFORM_BLOCK_INDEX, &unif_block_idx);
if (!piglit_check_gl_error(GL_NO_ERROR) ||
unif_block_idx != -1) {
fprintf(stderr, "Atomic counter \"%s\" has "
"invalid block index %d, expected: -1."
"\n", unif_name, unif_block_idx);
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveUniformsiv(prog, 1, &counters[j],
GL_UNIFORM_OFFSET, &unif_offset);
if (!piglit_check_gl_error(GL_NO_ERROR) ||
unif_offset != cinfo->offset) {
fprintf(stderr, "Atomic counter \"%s\" has "
"invalid offset %d, expected: %d.\n",
unif_name, unif_offset, cinfo->offset);
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveUniformsiv(prog, 1, &counters[j],
GL_UNIFORM_ARRAY_STRIDE, &unif_stride);
if (!piglit_check_gl_error(GL_NO_ERROR) ||
(cinfo->size > 1 && unif_stride < 4) ||
(cinfo->size == 1 && unif_stride != 0)) {
fprintf(stderr, "Atomic counter \"%s\" has "
"invalid array stride %d.\n",
unif_name, unif_stride);
piglit_report_result(PIGLIT_FAIL);
}
glGetActiveUniformsiv(prog, 1, &counters[j],
GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX,
&unif_buffer_idx);
if (!piglit_check_gl_error(GL_NO_ERROR) ||
unif_buffer_idx != i) {
fprintf(stderr, "Atomic counter \"%s\" has "
"invalid buffer index %d, expected %d."
"\n", unif_name, unif_buffer_idx, i);
piglit_report_result(PIGLIT_FAIL);
}
if (cinfo->binding != binding) {
fprintf(stderr, "Atomic counter \"%s\" belongs "
"to the wrong binding point %d.\n",
unif_name, binding);
piglit_report_result(PIGLIT_FAIL);
}
if (visited_counters[counters[j]]) {
fprintf(stderr, "Atomic counter \"%s\" seen "
"twice.\n", unif_name);
piglit_report_result(PIGLIT_FAIL);
}
visited_counters[counters[j]] = true;
}
}
glDeleteProgram(prog);
piglit_report_result(PIGLIT_PASS);
}
enum piglit_result
piglit_display(void)
{
return PIGLIT_PASS;
}
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