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/*
* Copyright (c) 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 cubemap with mismatched face sizes.
* It's kind of crazy that OpenGL allows creating cube map textures with
* mismatched face sizes, but it is what it is. Do some basic checks
* that no expected errors are raised and the per-face size queries work.
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
PIGLIT_GL_TEST_CONFIG_END
enum piglit_result
piglit_display(void)
{
GLuint tex;
const int w = 64, h = 64;
GLsizei sizes[6][2] = {
{ w, h },
{ w/2, h/2 },
{ w/3, h/3 },
{ w/2, h/2 },
{ w, h },
{ w/2, h/2 }
};
int face;
bool pass = true;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
/* six faces, different sizes */
for (face = 0; face < 6; face++) {
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, 0, GL_RGBA,
sizes[face][0], sizes[face][1], 0,
GL_RGBA, GL_UNSIGNED_BYTE, NULL);
}
if (!piglit_check_gl_error(GL_NO_ERROR)) {
pass = false;
}
/* test getting sizes */
for (face = 0; face < 6; face++) {
GLint tw, th;
glGetTexLevelParameteriv(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face,
0, GL_TEXTURE_WIDTH, &tw);
glGetTexLevelParameteriv(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face,
0, GL_TEXTURE_HEIGHT, &th);
if (tw != sizes[face][0] || th != sizes[face][1]) {
printf("Bad texture size for face %d.\n", face);
printf(" Expected %d x %d\n",
sizes[face][0], sizes[face][1]);
printf(" Found %d x %d\n", tw, th);
pass = false;
}
}
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
piglit_require_extension("GL_ARB_texture_cube_map");
}
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