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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 getactiveuniformsiv-uniform-block-index.c
*
* Tests that glGetActiveUniforms() returns the block index for a
* uniform that the uniform block was given by
* glGetUniformBlockIndex.()
*/
#include "piglit-util-gl-common.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
PIGLIT_GL_TEST_CONFIG_END
static const char vs_source[] =
"#extension GL_ARB_uniform_buffer_object : require\n"
"\n"
"uniform ub_a { vec4 a; };\n"
"uniform ub_b { vec4 b; };\n"
"\n"
"void main()\n"
"{\n"
" gl_Position = a + b;\n"
"}\n";
static const char fs_source[] =
"#extension GL_ARB_uniform_buffer_object : require\n"
"\n"
"uniform ub_b { vec4 b; };\n"
"uniform ub_c { vec4 c; };\n"
"uniform vec4 d;\n"
"\n"
"void main()\n"
"{\n"
" gl_FragColor = b + c + d;\n"
"}\n";
void
piglit_init(int argc, char **argv)
{
bool pass = true;
GLuint fs, vs, prog;
const char *uniform_block_names[3] = { "ub_a", "ub_b", "ub_c" };
const char *uniform_names[4] = { "a", "b", "c", "d" };
GLuint block_indices[3];
GLuint uniform_indices[4];
GLint uniform_block_indices[4];
int i;
piglit_require_extension("GL_ARB_uniform_buffer_object");
vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vs_source);
if (!vs) {
printf("Failed to compile VS:\n%s", vs_source);
piglit_report_result(PIGLIT_FAIL);
}
fs = piglit_compile_shader_text(GL_FRAGMENT_SHADER, fs_source);
if (!fs) {
printf("Failed to compile FS:\n%s", fs_source);
piglit_report_result(PIGLIT_FAIL);
}
prog = piglit_link_simple_program(vs, fs);
if (!prog)
piglit_report_result(PIGLIT_FAIL);
for (i = 0; i < 3; i++) {
block_indices[i] =
glGetUniformBlockIndex(prog, uniform_block_names[i]);
printf("Uniform block \"%s\" index: 0x%08x\n",
uniform_block_names[i], block_indices[i]);
}
if (block_indices[0] == block_indices[1] ||
block_indices[0] == block_indices[2] ||
block_indices[1] == block_indices[2]) {
piglit_report_result(PIGLIT_FAIL);
}
glGetUniformIndices(prog, 4, uniform_names, uniform_indices);
glGetActiveUniformsiv(prog, 4, uniform_indices,
GL_UNIFORM_BLOCK_INDEX, uniform_block_indices);
for (i = 0; i < 4; i++) {
int expected_index = (i == 3) ? -1 : block_indices[i];
printf("Uniform \"%s\": index %d, block index %d",
uniform_names[i],
uniform_indices[i],
uniform_block_indices[i]);
if (uniform_block_indices[i] != expected_index) {
printf(" FAIL");
pass = false;
}
printf("\n");
}
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
enum piglit_result piglit_display(void)
{
/* UNREACHED */
return PIGLIT_FAIL;
}
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