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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-type.c
*
* Tests that glGetActiveUniformsiv() returns the correct enum for
* GL_UNIFORM_TYPE for variables in a UBO.
*/
#define _GNU_SOURCE
#include "piglit-util-gl-common.h"
#include "uniform-types.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.supports_gl_core_version = 31;
config.window_width = 10;
config.window_height = 10;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
PIGLIT_GL_TEST_CONFIG_END
static bool
test_format(const struct uniform_type *type)
{
/* Using 140 to get unsigned ints. */
const char *fs_template =
"#version 140\n"
"layout(std140) uniform ubo {\n"
" float align_test;\n"
" %s u;\n"
"};\n"
"\n"
"void main() {\n"
" gl_FragColor = vec4(align_test + float(%s));\n"
"}\n";
char *fs_source;
GLuint fs, prog;
const char *uniform_name = "u";
GLuint uniform_index;
GLint uniform_type;
const char *deref;
if (type->size == 4) {
deref = "u";
} else if (type->size <= 16) {
deref = "u.x";
} else {
deref = "u[0].x";
}
asprintf(&fs_source, fs_template, type->type, deref);
fs = piglit_compile_shader_text(GL_FRAGMENT_SHADER, fs_source);
prog = piglit_link_simple_program(0, fs);
if (!fs || !prog) {
fprintf(stderr, "Failed to compile shader:\n%s", fs_source);
free(fs_source);
piglit_report_result(PIGLIT_FAIL);
} else {
free(fs_source);
}
glGetUniformIndices(prog, 1, &uniform_name, &uniform_index);
glGetActiveUniformsiv(prog, 1, &uniform_index,
GL_UNIFORM_TYPE, &uniform_type);
glDeleteShader(fs);
glDeleteProgram(prog);
printf("%-20s %20s %20s%s\n",
type->type,
piglit_get_gl_enum_name(uniform_type),
piglit_get_gl_enum_name(type->gl_type),
uniform_type == type->gl_type ? "" : " FAIL");
return uniform_type == type->gl_type;
}
void
piglit_init(int argc, char **argv)
{
bool pass = true;
unsigned int i;
piglit_require_extension("GL_ARB_uniform_buffer_object");
piglit_require_GLSL_version(140);
printf("%-20s %20s %20s\n", "type", "GL_UNIFORM_TYPE", "expected");
printf("--------------------------------------------------------------\n");
for (i = 0; uniform_types[i].type; i++) {
pass = test_format(&uniform_types[i]) && pass;
}
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
enum piglit_result piglit_display(void)
{
/* UNREACHED */
return PIGLIT_FAIL;
}
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