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/*
* Copyright © 2011 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 getuniformlocation-array-of-struct-of-array.c
* Verify that the locations of members of an array of struct of array can be
* queried using the glGetUniformLocation API.
*
* \author Ian Romanick
*/
#include "piglit-util-gl-common.h"
PIGLIT_GL_TEST_MAIN(
100 /*window_width*/,
100 /*window_height*/,
PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE)
static const char *vs_code =
"struct S { mat4 m; vec4 v[10]; };\n"
"uniform S s[10];\n"
"uniform int i, j;\n"
"void main() { gl_Position = s[i].m * s[i].v[j]; }\n"
;
enum piglit_result
piglit_display(void)
{
return PIGLIT_FAIL;
}
void piglit_init(int argc, char **argv)
{
GLint vert;
GLint prog;
GLint loc;
char name[256];
bool pass = true;
unsigned i;
unsigned j;
piglit_require_vertex_shader();
vert = piglit_compile_shader_text(GL_VERTEX_SHADER, vs_code);
prog = piglit_link_simple_program(vert, 0);
/* From page 80 of the OpenGL 2.1 spec:
*
* "A valid name cannot be a structure, an array of structures, or
* any portion of a single vector or a matrix."
*/
loc = piglit_GetUniformLocation(prog, "s");
if (loc != -1) {
printf("s location = %d (should be -1)\n", loc);
pass = false;
}
for (i = 0; i < 10; i++) {
/* From page 80 of the OpenGL 2.1 spec:
*
* "A valid name cannot be a structure, an array of
* structures, or any portion of a single vector or a
* matrix."
*/
snprintf(name, sizeof(name), "s[%d]", i);
loc = piglit_GetUniformLocation(prog, name);
if (loc != -1) {
printf("%s location = %d (should be -1)\n", name, loc);
pass = false;
}
snprintf(name, sizeof(name), "s[%d].m", i);
loc = piglit_GetUniformLocation(prog, name);
if (loc == -1) {
printf("%s location = %d (should not be -1)\n",
name, loc);
pass = false;
}
for (j = 0; j < 10; j++) {
snprintf(name, sizeof(name), "s[%d].v[%d]", i, j);
loc = piglit_GetUniformLocation(prog, name);
if (loc == -1) {
printf("%s location = %d (should not be -1)\n",
name, loc);
pass = false;
}
}
}
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
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