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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 referenced-by-shader.c
*
* From the GL_ARB_uniform_buffer_object spec:
*
* "If <pname> is UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER,
* UNIFORM_BLOCK_REFERENCED_BY_GEOMETRY_SHADER, or
* UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER, then a boolean
* value indicating whether the uniform block identified by
* <uniformBlockIndex> is referenced by the vertex, geometry, or
* fragment programming stage of <program>, respectively, 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
void
piglit_init(int argc, char **argv)
{
bool pass = true;
unsigned int i;
GLuint vs, fs, prog;
const char *vs_source =
"#extension GL_ARB_uniform_buffer_object : enable\n"
"uniform vs { float a; };\n"
"uniform vsfs { float c; };\n"
"uniform float dddd;\n"
"void main() {\n"
" gl_Position = gl_Vertex + vec4(a + c);\n"
"}\n";
const char *fs_source =
"#extension GL_ARB_uniform_buffer_object : enable\n"
"uniform fs { float b; };\n"
"uniform vsfs { float c; };\n"
"uniform float dddd;\n"
"void main() {\n"
" gl_FragColor = vec4(b + c);\n"
"}\n";
char name[10];
piglit_require_extension("GL_ARB_uniform_buffer_object");
fs = piglit_compile_shader_text(GL_FRAGMENT_SHADER, fs_source);
if (!fs) {
fprintf(stderr, "Failed to compile shader:\n%s", fs_source);
piglit_report_result(PIGLIT_FAIL);
}
vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vs_source);
if (!vs) {
fprintf(stderr, "Failed to compile shader:\n%s", vs_source);
piglit_report_result(PIGLIT_FAIL);
}
prog = piglit_link_simple_program(vs, fs);
if (!prog) {
fprintf(stderr, "Failed to link shaders.\n");
piglit_report_result(PIGLIT_FAIL);
}
for (i = 0; i < 3; i++) {
GLint ref_vs, ref_fs;
glGetActiveUniformBlockName(prog, i, sizeof(name), NULL, name);
glGetActiveUniformBlockiv(prog, i,
GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER,
&ref_vs);
glGetActiveUniformBlockiv(prog, i,
GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER,
&ref_fs);
printf("%10s: %d %d", name, ref_vs, ref_fs);
if (strcmp(name, "vs") == 0) {
if (!ref_vs || ref_fs) {
printf(" FAIL");
pass = false;
}
} else if (strcmp(name, "fs") == 0) {
if (ref_vs || !ref_fs) {
printf(" FAIL");
pass = false;
}
} else if (strcmp(name, "vsfs") == 0) {
if (!ref_vs || !ref_fs) {
printf(" FAIL");
pass = false;
}
} else {
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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