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/*
* Copyright 2014 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 dsa-textures.c
*
* Tests the direct state access functionality for creating, initializing, and
* rendering texture objects.
*/
#include "piglit-util-gl.h"
#include "dsa-utils.h"
#include <stdlib.h>
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_core_version = 31;
config.supports_gl_compat_version = 20;
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 GLuint prog;
GLfloat*
random_image_data(void)
{
int i;
GLfloat *img = malloc(4*piglit_width*piglit_height*sizeof(GLfloat));
for (i = 0; i < 4*piglit_width*piglit_height; ++i) {
img[i] = (float) rand() / RAND_MAX;
}
return img;
} /* random_image_data */
void
piglit_init(int argc, char **argv)
{
piglit_require_extension("GL_ARB_direct_state_access");
piglit_require_extension("GL_ARB_texture_storage");
srand(0);
printf("Using driver %s.\n", (const char *) glGetString(GL_VERSION));
prog = dsa_create_program(GL_TEXTURE_2D);
}
enum piglit_result
piglit_display(void)
{
bool pass = true;
GLfloat* data = random_image_data();
GLuint name;
const GLuint texunit = 3;
glCreateTextures(GL_TEXTURE_2D, 1, &name);
glTextureStorage2D(name, 1, GL_RGBA32F, piglit_width, piglit_height);
glTextureSubImage2D(name, 0, 0, 0, piglit_width, piglit_height,
GL_RGBA, GL_FLOAT, data);
glTextureParameteri(name, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTextureParameteri(name, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
/* Draw the image */
dsa_texture_with_unit(prog, texunit);
glUseProgram(prog);
glBindTextureUnit(texunit, name);
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
piglit_draw_rect_tex(-1.0, -1.0, 2.0, 2.0, 0.0, 0.0, 1.0, 1.0);
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
/* Check to make sure the image was drawn correctly */
pass = piglit_probe_image_rgba(0, 0, piglit_width, piglit_height, data)
&& pass;
free(data);
if (!piglit_automatic)
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
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