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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.
*/
/*
* Check that glGetActiveAttrib returns the correct size values,
* for arrays of various sizes.
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_core_version = 32;
config.supports_gl_compat_version = 32;
config.khr_no_error_support = PIGLIT_NO_ERRORS;
PIGLIT_GL_TEST_CONFIG_END
static const char *vs_source =
"#version 150\n"
"in int a[1];\n"
"in int b[2];\n"
"in int c[3];\n"
"in int d[4];\n"
"in int e[5];\n"
"\n"
"out vec4 color;\n"
"void main()\n"
"{\n"
" color = vec4(a[0] + b[0] + b[1],\n"
" c[0] + c[1] + c[2],\n"
" d[0] + d[1] + d[2] + d[3],\n"
" e[0] + e[1] + e[2] + e[3] + e[4]);\n"
"}\n";
static const char *fs_source =
"#version 150\n"
"in vec4 color;\n"
"void main()\n"
"{\n"
" gl_FragColor = color;\n"
"}\n";
enum piglit_result
piglit_display(void)
{
/* UNREACHED */
return PIGLIT_FAIL;
}
/*
* Find the given attribute size then, check if the passed expected size
* is equal to the actual size.
*/
bool
getAttribLocTest(GLint program, int active_attribs, int max_name_length,
char *attrib_name, int expected_size)
{
bool pass = true;
int size = -1;
GLenum type = GL_NONE;
char *name = malloc(max_name_length);
int i;
for(i = 0; i < active_attribs; i++) {
glGetActiveAttrib(program, i, max_name_length,
NULL, &size, &type, name);
if(strcmp(attrib_name, name) == 0) {
break;
}
}
/* Check if no attrib was found */
if(i == active_attribs) {
pass = false;
printf("Attribute '%s' not found\n", attrib_name);
}
/* Check for non-matching sizes */
if(size != expected_size) {
pass = false;
printf("Attribute '%s': size %d; expected %d\n",
name, size, expected_size);
}
free(name);
return pass;
}
void
piglit_init(int argc, char **argv)
{
bool pass = true;
GLint prog = 0;
GLint active_attribs = 0;
GLint max_length = 0;
piglit_require_GLSL_version(150);
prog = piglit_build_simple_program(vs_source, fs_source);
glUseProgram(prog);
glGetProgramiv(prog, GL_ACTIVE_ATTRIBUTES, &active_attribs);
glGetProgramiv(prog, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max_length);
/*
* Check the size of the given attribute with the
* corresponding expected array size.
*/
pass = getAttribLocTest(prog, active_attribs, max_length, "a", 1) && pass;
pass = getAttribLocTest(prog, active_attribs, max_length, "b", 2) && pass;
pass = getAttribLocTest(prog, active_attribs, max_length, "c", 3) && pass;
pass = getAttribLocTest(prog, active_attribs, max_length, "d", 4) && pass;
pass = getAttribLocTest(prog, active_attribs, max_length, "e", 5) && pass;
glDeleteProgram(prog);
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
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