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/*
* Copyright © 2012 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 getprogramiv.c
*
* From the GL_ARB_uniform_buffer_object spec:
*
* "If <pname> is ACTIVE_UNIFORM_BLOCKS the number of uniform
* blocks for <program> containing active uniforms is returned.
*
* If <pname> is ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH, the length
* of the longest active uniform block name, including the null
* terminator, is returned."
*/
#include "piglit-util-gl-common.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_width = 10;
config.window_height = 10;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_ALPHA;
PIGLIT_GL_TEST_CONFIG_END
struct {
const char *source;
int blocks;
int namelen;
} tests[] = {
{
"#extension GL_ARB_uniform_buffer_object : enable\n"
"uniform a { float u1; };\n"
"void main() {\n"
" gl_FragColor = vec4(u1);\n"
"}\n",
1, 2,
},
{
"#extension GL_ARB_uniform_buffer_object : enable\n"
"uniform a { float u1; };\n"
"uniform b { float u2; };\n"
"void main() {\n"
" gl_FragColor = vec4(u1 + u2);\n"
"}\n",
2, 2,
},
{
"#extension GL_ARB_uniform_buffer_object : enable\n"
"uniform a { float u1; };\n"
"uniform bb { float u2; };\n"
"void main() {\n"
" gl_FragColor = vec4(u1 + u2);\n"
"}\n",
2, 3,
},
{
"#extension GL_ARB_uniform_buffer_object : enable\n"
"uniform aa { float u1; };\n"
"uniform b { float u2; };\n"
"void main() {\n"
" gl_FragColor = vec4(u1 + u2);\n"
"}\n",
2, 3,
},
};
static bool
test_shader(int test)
{
GLuint fs, prog;
const char *source = tests[test].source;
int namelen = 9999, blocks = 9999;
fs = piglit_compile_shader_text(GL_FRAGMENT_SHADER, source);
if (!fs) {
fprintf(stderr, "%d: Failed to compile shader:\n%s",
test, source);
return false;
}
prog = piglit_link_simple_program(fs, 0);
if (!prog) {
fprintf(stderr, "%d: Failed to link shader:\n%s", test, source);
glDeleteShader(fs);
return false;
}
glGetProgramiv(prog, GL_ACTIVE_UNIFORM_BLOCKS, &blocks);
if (blocks != tests[test].blocks) {
fprintf(stderr,
"%d: Bad GL_ACTIVE_UNIFORM_BLOCKS "
"%d, expected %d. Source:\n%s",
test, blocks, tests[test].blocks, source);
return false;
}
glGetProgramiv(prog, GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH, &namelen);
if (namelen != tests[test].namelen) {
fprintf(stderr,
"%d: Bad GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH "
"%d, expected %d. Source:\n%s",
test, namelen, tests[test].namelen, source);
return false;
}
glDeleteProgram(prog);
glDeleteShader(fs);
return true;
}
void
piglit_init(int argc, char **argv)
{
bool pass = true;
int i;
piglit_require_extension("GL_ARB_uniform_buffer_object");
for (i = 0; i < ARRAY_SIZE(tests); i++) {
pass = test_shader(i) && pass;
}
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
enum piglit_result piglit_display(void)
{
/* UNREACHED */
return PIGLIT_FAIL;
}
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