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/* Copyright © 2015 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 output-location.c
*
* \author Tapani Pälli
* heavily inspired by getfragdataindex.c from Dave Airlie
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
#ifdef PIGLIT_USE_OPENGL
config.supports_gl_core_version = 31;
#else // PIGLIT_USE_OPENGLES3
config.supports_gl_es_version = 30;
#endif
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
#ifdef PIGLIT_USE_OPENGL
static const char *vs_text =
"#version 150\n"
"in vec4 vertex;\n"
"void main() { gl_Position = vertex; }\n"
;
static const char *fs_template =
"#version 150\n"
"#extension GL_ARB_explicit_attrib_location : require\n"
"layout(location = 0, index = 0) out vec4 a;\n"
"layout(location = %d, index = 1) out vec4 b;\n"
"void main() {\n"
" a = vec4(0.0);\n"
" b = vec4(1.0);\n"
"}\n"
;
#else // PIGLIT_USE_OPENGLES3
static const char *vs_text =
"#version 300 es\n"
"in vec4 vertex;\n"
"void main() { gl_Position = vertex; }\n"
;
static const char *fs_template =
"#version 300 es\n"
"#extension GL_EXT_blend_func_extended : enable\n"
"layout(location = 0, index = 0) out highp vec4 a;\n"
"layout(location = %d, index = 1) out highp vec4 b;\n"
"void main() {\n"
" a = vec4(0.0);\n"
" b = vec4(1.0);\n"
"}\n"
;
#endif
enum piglit_result
piglit_display(void)
{
return PIGLIT_FAIL;
}
void piglit_init(int argc, char **argv)
{
GLint max_dual_source;
GLuint prog;
char fs_text[256];
#ifdef PIGLIT_USE_OPENGL
piglit_require_GLSL_version(150);
piglit_require_extension("GL_ARB_blend_func_extended");
#else // PIGLIT_USE_OPENGLES3
piglit_require_extension("GL_EXT_blend_func_extended");
#endif
glGetIntegerv(GL_MAX_DUAL_SOURCE_DRAW_BUFFERS, &max_dual_source);
if (max_dual_source < 1) {
fprintf(stderr,
"ARB_blend_func_extended requires "
"GL_MAX_DUAL_SOURCE_DRAW_BUFFERS >= 1. "
"Only got %d!\n",
max_dual_source);
piglit_report_result(PIGLIT_FAIL);
}
/* Set >= GL_MAX_DUAL_SOURCE_DRAW_BUFFERS location for 'b' */
snprintf(fs_text, 256, fs_template, max_dual_source);
prog = piglit_build_simple_program_unlinked(vs_text, fs_text);
/* Linking should fail as the location set is too big. */
glLinkProgram(prog);
if (piglit_link_check_status(prog))
piglit_report_result(PIGLIT_FAIL);
piglit_report_result(PIGLIT_PASS);
}
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