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/*
* Copyright © 2014 VMware, Inc.
*
* 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 GL_EXT_texture_swizzle API functions.
* Brian Paul
* 24 April 2014
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 12;
config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
config.khr_no_error_support = PIGLIT_NO_ERRORS;
PIGLIT_GL_TEST_CONFIG_END
static bool
test_get(GLenum pname, GLint expected)
{
GLint val;
glGetTexParameteriv(GL_TEXTURE_2D, pname, &val);
if (val != expected) {
printf("glGetTexParameteriv(%s) returned %s instead of %s\n",
piglit_get_gl_enum_name(pname),
piglit_get_gl_enum_name(val),
piglit_get_gl_enum_name(expected));
return false;
}
return true;
}
static bool
test_api(void)
{
static const GLint swz[4] = { GL_BLUE, GL_GREEN, GL_ALPHA, GL_ZERO };
GLint swzOut[4];
if (!piglit_khr_no_error) {
/* test bad param value */
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R_EXT, GL_RGBA);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return false;
}
/* test good param values */
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R_EXT, GL_ONE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G_EXT, GL_ZERO);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B_EXT, GL_RED);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A_EXT, GL_BLUE);
if (!piglit_check_gl_error(GL_NO_ERROR))
return false;
if (!test_get(GL_TEXTURE_SWIZZLE_R_EXT, GL_ONE))
return false;
if (!test_get(GL_TEXTURE_SWIZZLE_G_EXT, GL_ZERO))
return false;
if (!test_get(GL_TEXTURE_SWIZZLE_B_EXT, GL_RED))
return false;
if (!test_get(GL_TEXTURE_SWIZZLE_A_EXT, GL_BLUE))
return false;
/* set all at once */
glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_RGBA_EXT, swz);
if (!piglit_check_gl_error(GL_NO_ERROR))
return false;
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_RGBA_EXT, swzOut);
if (swzOut[0] != swz[0] ||
swzOut[1] != swz[1] ||
swzOut[2] != swz[2] ||
swzOut[3] != swz[3]) {
printf("glGetTexParameteriv(GL_TEXTURE_SWIZZLE_RGBA_EXT) failed\n");
return false;
}
return true;
}
enum piglit_result
piglit_display(void)
{
/* UNREACHED */
return PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
bool p;
piglit_require_extension("GL_EXT_texture_swizzle");
p = test_api();
piglit_report_result(p ? PIGLIT_PASS : PIGLIT_FAIL);
}
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