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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.
*/
/**
* Test that geometry shaders only compile with valid output layout qualifiers
*
* Section 4.3.8.2(Output Layout Qualifiers) of the GLSL 1.50 spec says:
* "Geometry shaders can have output layout qualifiers only on the interface
* qualifier out, not on an output block or variable declaration. The layout
* qualifier identifiers for geometry shader outputs are
* points
* line_strip
* triangle_strip
* max_vertices = integer-constant"
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 32;
config.supports_gl_core_version = 32;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
config.khr_no_error_support = PIGLIT_NO_ERRORS;
PIGLIT_GL_TEST_CONFIG_END
static const char *gstemplate =
"#version 150\n"
"#define LAYOUT_OUT %s\n"
"layout(points) in;\n"
"layout(LAYOUT_OUT, max_vertices = 3) out;\n"
"void main() {\n"
"}\n";
char *valids[] = {"points",
"line_strip",
"triangle_strip"};
const char *layout;
static void
print_usage_and_exit(const char *prog_name)
{
printf("Usage: %s <output_layout>\n"
" where <output_layout> is the qualifier to test to see if it\n"
" is a valid geometry shader output layout qualifier\n",
prog_name);
piglit_report_result(PIGLIT_FAIL);
}
void
piglit_init(int argc, char **argv)
{
GLuint gs = 0;
GLint gsCompiled = GL_TRUE;
char* gstext = NULL;
int i = 0;
bool pass = true;
GLint expected_compile_result;
/* Parse params */
if (argc != 2) {
print_usage_and_exit(argv[0]);
}
layout = argv[1];
/* figure out if we expect compilation to be successful. */
expected_compile_result = GL_FALSE;
for (i = 0; i < ARRAY_SIZE(valids); i++) {
if (strcmp(layout, valids[i]) == 0) {
expected_compile_result = GL_TRUE;
break;
}
}
(void)!asprintf(&gstext, gstemplate, layout);
gs = glCreateShader(GL_GEOMETRY_SHADER);
glShaderSource(gs, 1, (const GLchar **) &gstext, NULL);
glCompileShader(gs);
free(gstext);
/* check compile result */
glGetShaderiv(gs, GL_COMPILE_STATUS, &gsCompiled);
if (gsCompiled != expected_compile_result) {
if (expected_compile_result) {
printf("Failed to compile with output qualifier "
"\"%s\".\n", layout);
} else {
printf("\"%s\" is an invalid output qualifier "
"but geometry shader still compiled.\n",
layout);
}
pass = false;
}
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
enum piglit_result
piglit_display(void)
{
return PIGLIT_FAIL;
}
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