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/* Copyright 2012 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.
*/
/**
* \file integer-errors.c
* Do error checking for functions taking signed/unsigned integer
* (non-normalized) formats, such as glTex[Sub]Image, glDrawPixels and
* glReadPixels.
*/
#include "piglit-util-gl-common.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_ALPHA | PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
static bool
test_api_errors(void)
{
/* clear any prev errors */
while (glGetError())
;
/* use a new tex obj */
glBindTexture(GL_TEXTURE_2D, 42);
/* Check that glDrawPixels of integer data is illegal */
{
static const GLfloat pixel[4] = {0, 0, 0, 0};
glDrawPixels(1, 1, GL_RGBA_INTEGER_EXT, GL_INT, pixel);
if (!piglit_check_gl_error(GL_INVALID_OPERATION))
return false;
}
/* Check glTexImage for invalid internalFormat/format/type combos */
{
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16UI_EXT, 1, 1, 0,
GL_RGBA_INTEGER, GL_FLOAT, NULL);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return false;
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0,
GL_RGBA_INTEGER, GL_SHORT, NULL);
if (!piglit_check_gl_error(GL_INVALID_OPERATION))
return false;
}
/* Check glTexSubImage for invalid format/type combination */
{
/* make valid texture image here */
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32UI_EXT, 8, 8, 0,
GL_RGBA_INTEGER, GL_UNSIGNED_INT, NULL);
if (!piglit_check_gl_error(GL_NO_ERROR))
return false;
glTexSubImage2D(GL_TEXTURE_2D, 0,
0, 0, 4, 4,
GL_RGBA_INTEGER, GL_FLOAT, NULL);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return false;
}
/* 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 texture image here */
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16UI_EXT, 4, 4, 0,
GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, NULL);
if (!piglit_check_gl_error(GL_NO_ERROR))
return false;
glCopyTexSubImage2D(GL_TEXTURE_2D, 0,
0, 0, 0, 0, 4, 4);
if (!piglit_check_gl_error(GL_INVALID_OPERATION))
return false;
}
/* Is GL_INVALID_ENUM generated by glReadPixels? */
{
GLfloat buf[64];
glReadPixels(0, 0, 4, 4, GL_RGBA_INTEGER, GL_FLOAT, buf);
if (!piglit_check_gl_error(GL_INVALID_ENUM))
return false;
}
/* Is GL_INVALID_OPERATION generated by glReadPixels? */
{
GLuint buf[64];
glReadPixels(0, 0, 4, 4, GL_RGBA_INTEGER, GL_UNSIGNED_INT, buf);
if (!piglit_check_gl_error(GL_INVALID_OPERATION))
return false;
}
return true;
}
/**
* Test specific combinations of (internalFormat, format, type) with
* glTexImage to see that they're accepted (no GL errors).
*/
static bool
test_teximage_format_combos(void)
{
/* These format combinations should all work */
struct {
GLenum intFormat, srcFormat, srcType;
} formats[] = {
{ GL_RGBA8UI_EXT, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE },
{ GL_RGBA8UI_EXT, GL_RGBA_INTEGER, GL_SHORT },
{ GL_RGBA8UI_EXT, GL_RGBA_INTEGER, GL_UNSIGNED_INT_8_8_8_8 },
{ GL_RGBA8UI_EXT, GL_BGRA_INTEGER, GL_UNSIGNED_INT_8_8_8_8 },
{ GL_LUMINANCE8I_EXT, GL_RGBA_INTEGER, GL_UNSIGNED_INT_8_8_8_8 },
{ GL_RGB16I_EXT, GL_RGB_INTEGER, GL_UNSIGNED_SHORT_5_6_5 },
{ GL_RGB32I_EXT, GL_RGB_INTEGER, GL_UNSIGNED_SHORT_5_6_5 }
};
int i;
GLenum err;
bool pass = GL_TRUE;
while (glGetError() != GL_NO_ERROR)
;
for (i = 0; i < ARRAY_SIZE(formats); i++) {
glTexImage2D(GL_TEXTURE_2D, 0, formats[i].intFormat,
16, 16, 0,
formats[i].srcFormat, formats[i].srcType, NULL);
err = glGetError();
if (err != GL_NO_ERROR) {
fprintf(stderr,
"integer-errors failure: glTexImage2D(0x%x, 0x%x, 0x%x)"
" generated error 0x%x (case %d)\n",
formats[i].intFormat,
formats[i].srcFormat,
formats[i].srcType, err, i);
pass = false;
}
}
return pass;
}
enum piglit_result
piglit_display(void)
{
return PIGLIT_PASS;
}
void
piglit_init(int argc, char **argv)
{
bool pass;
piglit_require_gl_version(30);
pass = test_api_errors();
pass = pass && test_teximage_format_combos();
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
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