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/*
* Copyright © 2012 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 blit-mismatched-formats.cpp
*
* This test verifies if glBlitFramebuffer() throws GL_INVALID_OPERATION with
* non-matching formats for multisample framebuffer objects.
*
* We initialize two FBOs with minimum supported sample count and different
* buffer formats, do blitting operation between them and then query the gl
* error.
*
* Author: Anuj Phogat <anuj.phogat@gmail.com>
*/
#include "common.h"
PIGLIT_GL_TEST_MAIN(256 /*window_width*/,
256 /*window_height*/,
PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA);
const int pattern_width = 256; const int pattern_height = 256;
Fbo src_fbo, dst_fbo;
static GLenum color_formats[] = {
GL_RED,
GL_RG,
GL_RGB,
GL_ALPHA};
enum piglit_result
piglit_display()
{
bool pass = true;
GLuint i;
FboConfig config_ms(1 , pattern_width, pattern_height);
for(i = 0; i < ARRAY_SIZE(color_formats); i++) {
config_ms.color_internalformat = color_formats[i];
src_fbo.setup(config_ms);
if (!piglit_check_gl_error(GL_NO_ERROR)) {
printf("Error setting up renderbuffer color format\n");
piglit_report_result(PIGLIT_FAIL);
}
/* Blit multisample-to-multisample with non-matching formats */
glBindFramebuffer(GL_READ_FRAMEBUFFER, src_fbo.handle);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, dst_fbo.handle);
glBlitFramebuffer(0, 0, pattern_width, pattern_height,
0, 0, pattern_width, pattern_height,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
/* Blitting between different formats is not allowed for
* multisample frambuffers. Here GL_INVALID_OPERATION is an
* expected gl error.
*/
pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
}
return (pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
void
piglit_init(int argc, char **argv)
{
piglit_require_gl_version(30);
/* Passing sample count = 1 will create the FBOs with minimum supported
* sample count. Both FBOs are created with GL_RGBA format by default.
*/
src_fbo.setup(FboConfig(1 /* sample count */,
pattern_width,
pattern_height));
dst_fbo.setup(FboConfig(1 /* sample count */,
pattern_width,
pattern_height));
if (!piglit_check_gl_error(GL_NO_ERROR)) {
printf("Error setting up frame buffer objects\n");
piglit_report_result(PIGLIT_FAIL);
}
}
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