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/*
* Copyright (c) 2010 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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
* NON-INFRINGEMENT. IN NO EVENT SHALL VMWARE AND/OR THEIR SUPPLIERS
* 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 api-teximage.c
*
* Tests GL_EXT_texture_integer's error behavior with glTexImage2D().
*/
#include "piglit-util-gl-common.h"
PIGLIT_GL_TEST_MAIN(
10 /*window_width*/,
10 /*window_height*/,
PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_ALPHA | PIGLIT_GL_VISUAL_DOUBLE)
enum piglit_result
piglit_display(void)
{
static const float black[4] = {0, 0, 0, 0};
GLuint tex;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
/* Check that GL_FLOAT type is not accepted with integer formats */
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16UI_EXT, 1, 1, 0,
GL_RGBA_INTEGER, GL_FLOAT, black);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
piglit_report_result(PIGLIT_FAIL);
/* Check that GL_INVALID_OPERATION is generated by trying to mix
* integer/float formats/types.
*/
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0,
GL_RGBA_INTEGER, GL_SHORT, NULL);
if (!piglit_check_gl_error(GL_INVALID_OPERATION))
piglit_report_result(PIGLIT_FAIL);
/* Check for GL_INVALID_OPERATION when trying to copy framebuffer pixels
* to an integer texture when the framebuffer is not an integer format.
*/
/* make valid integer texture image here */
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16UI_EXT, 4, 4, 0,
GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, NULL);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0,
0, 0, 0, 0, 4, 4);
if (!piglit_check_gl_error(GL_INVALID_OPERATION))
piglit_report_result(PIGLIT_FAIL);
/* can't put non-integer data into an integer texture */
glTexSubImage2D(GL_TEXTURE_2D, 0,
0, 0, 4, 4,
GL_RGBA, GL_UNSIGNED_BYTE, NULL);
if (!piglit_check_gl_error(GL_INVALID_OPERATION))
piglit_report_result(PIGLIT_FAIL);
/* check for invalid format/type combo */
glTexSubImage2D(GL_TEXTURE_2D, 0,
0, 0, 4, 4,
GL_RGBA_INTEGER, GL_FLOAT, NULL);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
piglit_report_result(PIGLIT_FAIL);
/* make valid non-integer texture image here */
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0,
GL_RGBA, GL_UNSIGNED_BYTE, NULL);
/* This should generate INVALID_OPERATION because the new tex data
* is integer but the existing texture image is not.
*/
glTexSubImage2D(GL_TEXTURE_2D, 0,
0, 0, 4, 4,
GL_RGBA_INTEGER, GL_INT, NULL);
if (!piglit_check_gl_error(GL_INVALID_OPERATION))
piglit_report_result(PIGLIT_FAIL);
/* Creating an integer-valued texture by copying image data from a
* non-integer framebuffer should generate GL_INVALID_OPERATION.
*/
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8UI_EXT, 0, 0, 4, 4, 0);
if (!piglit_check_gl_error(GL_INVALID_OPERATION))
piglit_report_result(PIGLIT_FAIL);
glDeleteTextures(1, &tex);
return PIGLIT_PASS;
}
void
piglit_init(int argc, char **argv)
{
piglit_require_extension("GL_EXT_texture_integer");
}
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