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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 generatemipmap-cubemap.c
*
* Test to make sure that glGenerateMipmap(GL_TEXTURE_CUBE_MAP) works
* correctly when the cube map texture is generated using glTexImage and not
* using glTexStorage and glTexSubImage.
*
* Attempts to reproduce Mesa Bug 89526.
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
/* glGenerateMipmap was introduced in OpenGL 3.0. */
config.supports_gl_compat_version = 30;
config.window_visual = PIGLIT_GL_VISUAL_RGBA |
PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
#define WIDTH 32
#define HEIGHT 32
#define IMAGE_SIZE (WIDTH * HEIGHT * 4)
static GLubyte *expected;
static void
init_random_data(void)
{
int i;
expected = malloc(6 * IMAGE_SIZE);
for (i = 0; i < 6 * IMAGE_SIZE; ++i) {
expected[i] = (GLubyte) rand();
}
}
void
piglit_init(int argc, char **argv)
{
srand(0);
init_random_data();
}
enum piglit_result
piglit_display(void)
{
GLuint tex;
int i;
bool pass = true;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
for (i = 0; i < 6; ++i) {
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i,
0, GL_RGBA8, WIDTH, HEIGHT, 0, GL_RGBA,
GL_UNSIGNED_BYTE, expected + i * IMAGE_SIZE);
}
glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
free(expected);
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
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