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/*
* Copyright © 2010 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 arb_es2_compatibility-drawbuffers.c
*
* Tests that pointing DrawBuffers or ReadBuffers at unattached
* attachment points doesn't result in INCOMPLETE_DRAW_BUFFER or
* INCOMPLETE_READ_BUFFER with ARB_ES2_compatibility.
*/
#include "piglit-util-gl-common.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.window_width = 128;
config.window_height = 128;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
static GLuint
attach_texture(int i)
{
GLuint tex;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
piglit_width, piglit_height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT,
GL_COLOR_ATTACHMENT0_EXT + i,
GL_TEXTURE_2D,
tex,
0);
assert(glGetError() == 0);
return tex;
}
enum piglit_result
piglit_display(void)
{
return PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
GLuint tex0, fb;
GLenum status;
piglit_require_extension("GL_ARB_ES2_compatibility");
glGenFramebuffersEXT(1, &fb);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fb);
tex0 = attach_texture(0);
glDrawBuffer(GL_COLOR_ATTACHMENT0);
glReadBuffer(GL_COLOR_ATTACHMENT0);
status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
fprintf(stderr, "fbo incomplete (status = 0x%04x)\n", status);
piglit_report_result(PIGLIT_SKIP);
}
glDrawBuffer(GL_COLOR_ATTACHMENT1);
status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status == GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER) {
fprintf(stderr, "fbo incomplete draw buffer\n");
piglit_report_result(PIGLIT_FAIL);
}
glReadBuffer(GL_COLOR_ATTACHMENT1);
status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status == GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER) {
fprintf(stderr, "fbo incomplete read buffer\n");
piglit_report_result(PIGLIT_FAIL);
}
assert(glGetError() == 0);
glDeleteTextures(1, &tex0);
piglit_report_result(PIGLIT_PASS);
}
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