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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 multiple-defs.c
*
* Checks that atomic counters with the same name may be linked
* together if and only if their layout specifications are equivalent.
*/
#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 *frag_src = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"flat in ivec4 vcolor;\n"
"out ivec4 fcolor;\n"
"\n"
"layout(binding=3, offset=4) uniform atomic_uint x0;\n"
"layout(binding=2, offset=0) uniform atomic_uint x1;\n"
"layout(binding=2) uniform atomic_uint x2;\n"
"\n"
"void main() {\n"
" fcolor.x = vcolor.x + int(atomicCounter(x0) +\n"
" atomicCounter(x1) + atomicCounter(x2));\n"
"}\n";
const char *vert_src_ok = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"in vec4 position;\n"
"flat out ivec4 vcolor;\n"
"\n"
"layout(binding=2) uniform atomic_uint x1;\n"
"layout(binding=2, offset=4) uniform atomic_uint x2;\n"
"layout(binding=3, offset=4) uniform atomic_uint x0;\n"
"\n"
"void main() {\n"
" vcolor.x = int(atomicCounter(x0) + atomicCounter(x1)\n"
" + atomicCounter(x2));\n"
" gl_Position = position;\n"
"}\n";
/* This should fail because 'x1' is redefined with a conflicting
* binding specification. */
const char *vert_src_fail_1 = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"in vec4 position;\n"
"flat out ivec4 vcolor;\n"
"\n"
"layout(binding=0) uniform atomic_uint x1;\n"
"layout(binding=2, offset=4) uniform atomic_uint x2;\n"
"layout(binding=3, offset=4) uniform atomic_uint x0;\n"
"\n"
"void main() {\n"
" vcolor.x = int(atomicCounter(x0) + atomicCounter(x1)\n"
" + atomicCounter(x2));\n"
" gl_Position = position;\n"
"}\n";
/* This should fail because 'x0' is redefined with a conflicting
* implicit offset specification. */
const char *vert_src_fail_2 = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"in vec4 position;\n"
"flat out ivec4 vcolor;\n"
"\n"
"layout(binding=2) uniform atomic_uint x1;\n"
"layout(binding=2, offset=4) uniform atomic_uint x2;\n"
"layout(binding=3) uniform atomic_uint x0;\n"
"\n"
"void main() {\n"
" vcolor.x = int(atomicCounter(x0) + atomicCounter(x1)\n"
" + atomicCounter(x2));\n"
" gl_Position = position;\n"
"}\n";
/* This should fail because 'x3' overlaps an already defined
* counter. */
const char *vert_src_fail_3 = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"in vec4 position;\n"
"flat out ivec4 vcolor;\n"
"\n"
"layout(binding=2) uniform atomic_uint x1;\n"
"layout(binding=2, offset=4) uniform atomic_uint x2;\n"
"layout(binding=3, offset=0) uniform atomic_uint x3[2];\n"
"\n"
"void main() {\n"
" vcolor.x = int(atomicCounter(x1) + atomicCounter(x2)\n"
" + atomicCounter(x3[0]));\n"
" gl_Position = position;\n"
"}\n";
/* This should fail because 'x3' has the same location specification
* as 'x0'. */
const char *vert_src_fail_4 = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"in vec4 position;\n"
"flat out ivec4 vcolor;\n"
"\n"
"layout(binding=2) uniform atomic_uint x1;\n"
"layout(binding=2, offset=4) uniform atomic_uint x2;\n"
"layout(binding=3, offset=4) uniform atomic_uint x3;\n"
"\n"
"void main() {\n"
" vcolor.x = int(atomicCounter(x1) + atomicCounter(x2)\n"
" + atomicCounter(x3));\n"
" gl_Position = position;\n"
"}\n";
bool
run_test(const char *fs_source, const char *vs_source)
{
GLuint prog = glCreateProgram();
bool ret =
atomic_counters_compile(prog, GL_FRAGMENT_SHADER, fs_source) &&
atomic_counters_compile(prog, GL_VERTEX_SHADER, vs_source) &&
atomic_counters_link(prog);
glDeleteProgram(prog);
return ret;
}
void
piglit_init(int argc, char **argv)
{
struct atomic_counters_limits ls = atomic_counters_get_limits();
enum piglit_result status = PIGLIT_PASS;
piglit_require_extension("GL_ARB_shader_atomic_counters");
if (ls.fragment_counters < 3 || ls.vertex_counters < 4) {
fprintf(stderr, "Insufficient number of supported atomic "
"counters.\n");
piglit_report_result(PIGLIT_SKIP);
}
if (ls.fragment_buffers < 2 || ls.vertex_buffers < 3) {
fprintf(stderr, "Insufficient number of supported atomic "
"buffers.\n");
piglit_report_result(PIGLIT_SKIP);
}
atomic_counters_subtest(&status, GL_NONE,
"Multiple atomic counter definitions "
"(compatible defs)",
run_test, frag_src, vert_src_ok);
atomic_counters_subtest(&status, GL_NONE,
"Multiple atomic counter definitions "
"(1: incompatible bindings)",
!run_test, frag_src, vert_src_fail_1);
atomic_counters_subtest(&status, GL_NONE,
"Multiple atomic counter definitions "
"(2: incompatible offsets)",
!run_test, frag_src, vert_src_fail_2);
atomic_counters_subtest(&status, GL_NONE,
"Multiple atomic counter definitions "
"(3: array overlap)",
!run_test, frag_src, vert_src_fail_3);
atomic_counters_subtest(&status, GL_NONE,
"Multiple atomic counter definitions "
"(4: conflicting locations)",
!run_test, frag_src, vert_src_fail_4);
piglit_report_result(status);
}
enum piglit_result
piglit_display(void)
{
return PIGLIT_PASS;
}
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