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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 getlocal4f-max.c
*
* Tests that we can read back all local parameters up to
* GL_MAX_PROGRAM_LOCAL_PARAMETERS, even if the program reads less
* than that.
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
void
piglit_init(int argc, char **argv)
{
const char *source =
"!!ARBvp1.0\n"
"OPTION ARB_position_invariant;\n"
"MOV result.color, program.local[3];\n"
"END\n";
GLuint prog;
GLint max_local;
GLint i;
piglit_require_extension("GL_ARB_vertex_program");
prog = piglit_compile_program(GL_VERTEX_PROGRAM_ARB, source);
glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prog);
glGetProgramivARB(GL_VERTEX_PROGRAM_ARB,
GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB, &max_local);
/* Limit the test to blowing through 256MB of memory. */
max_local = MIN2(max_local, 1024 * 1024 * 16);
for (i = 0; i < max_local; i++) {
float values[4];
values[0] = i * 4;
values[1] = i * 4 + 1;
values[2] = i * 4 + 2;
values[3] = i * 4 + 3;
glProgramLocalParameter4fvARB(GL_VERTEX_PROGRAM_ARB, i, values);
}
for (i = 0; i < max_local; i++) {
float values[4], get_values[4];
glGetProgramLocalParameterfvARB(GL_VERTEX_PROGRAM_ARB, i,
get_values);
values[0] = i * 4;
values[1] = i * 4 + 1;
values[2] = i * 4 + 2;
values[3] = i * 4 + 3;
if (memcmp(values, get_values, sizeof(values)) != 0) {
fprintf(stderr, "Difference on "
"glGetProgramLocalParameterfvARB(%d):\n", i);
fprintf(stderr, "expected: %f %f %f %f\n",
values[0],
values[1],
values[2],
values[3]);
fprintf(stderr, "found: %f %f %f %f\n",
get_values[0],
get_values[1],
get_values[2],
get_values[3]);
piglit_report_result(PIGLIT_FAIL);
}
}
piglit_report_result(PIGLIT_PASS);
}
enum piglit_result
piglit_display(void)
{
return PIGLIT_FAIL;
}
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