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/* Copyright © 2011 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 bindfragdata-invalid-parameters.c
* Verify that passing invalid parameters to glBindFragDataLocation generates
* the correct errors.
*
* \author Ian Romanick
*/
#include "piglit-util-gl-common.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.window_width = 100;
config.window_height = 100;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
enum piglit_result
piglit_display(void)
{
return PIGLIT_FAIL;
}
void piglit_init(int argc, char **argv)
{
GLint max_draw_buffers;
GLuint prog;
piglit_require_gl_version(30);
glGetIntegerv(GL_MAX_DRAW_BUFFERS, &max_draw_buffers);
/* Page 237 (page 253 of the PDF) of the OpenGL 3.0 spec says:
*
* "BindFragDataLocation may be issued before any shader objects
* are attached to a program object."
*
* As a result, all of the invalid location tests can be performed
* without a shader at all. Only a program object is necessary.
*/
prog = glCreateProgram();
if (!piglit_check_gl_error(GL_NO_ERROR))
piglit_report_result(PIGLIT_FAIL);
/* Page 236 (page 252 of the PDF) of the OpenGL 3.0 spec says:
*
* "The error INVALID VALUE is generated if colorNumber is equal
* or greater than MAX DRAW BUFFERS."
*
* Since the colorNumber parameter is unsigned, this statement means
* an error should be generated if a negative number is used.
*/
printf("Trying location = -1...\n");
glBindFragDataLocation(prog, -1, "foo");
if (!piglit_check_gl_error(GL_INVALID_VALUE))
piglit_report_result(PIGLIT_FAIL);
printf("Trying location = GL_MAX_DRAW_BUFFERS...\n");
glBindFragDataLocation(prog, max_draw_buffers, "foo");
if (!piglit_check_gl_error(GL_INVALID_VALUE))
piglit_report_result(PIGLIT_FAIL);
/* Page 236 (page 252 of the PDF) of the OpenGL 3.0 spec says:
*
* "The error INVALID_OPERATION is generated if name starts with
* the reserved gl prefix."
*
* This was changed in a later version of the spec. Page 279 (page
* 296 of the PDF) of the OpenGL 4.2 Core spec says:
*
* "The error INVALID_OPERATION is generated if name starts with
* the reserved gl_ prefix."
*
* The OpenGL 4.2 spec also matches the specified behavior of
* glBindAttribLocation as far back as OpenGL 2.0.
*/
printf("Trying name = `gl_FragColor'...\n");
glBindFragDataLocation(prog, 0, "gl_FragColor");
if (!piglit_check_gl_error(GL_INVALID_OPERATION))
piglit_report_result(PIGLIT_FAIL);
printf("Trying name = `gl_FragDepth'...\n");
glBindFragDataLocation(prog, 0, "gl_FragDepth");
if (!piglit_check_gl_error(GL_INVALID_OPERATION))
piglit_report_result(PIGLIT_FAIL);
printf("Trying name = `gl_'...\n");
glBindFragDataLocation(prog, 0, "gl_");
if (!piglit_check_gl_error(GL_INVALID_OPERATION))
piglit_report_result(PIGLIT_FAIL);
piglit_report_result(PIGLIT_PASS);
}
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