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/*
* Copyright © 2013 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 framebuffer-multi-attachments.c
*
* Section 4.4.2(Framebuffer Objects) From GL spec 3.2 core:
*
* The remaining comments in this section apply to all forms of Framebuffer-
* Texture*.
* If texture is zero, any image or array of images attached to the attachment
* point named by attachment is detached. Any additional parameters (level,
* textarget, and/or layer) are ignored when texture is zero. All state values
* of the attachment point specified by attachment are set to their default
* values listed in table 6.23.
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 32;
config.supports_gl_core_version = 32;
config.khr_no_error_support = PIGLIT_NO_ERRORS;
PIGLIT_GL_TEST_CONFIG_END
bool
check_texture_parameters(GLenum objType, int objName, int level, int layer, int layered) {
int objectType = -1;
int objectName = -1;
int textureLevel = -1;
int textureLayer = -1;
int textureLayered = -1;
bool pass = true;
/* Object Type */
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE,
&objectType);
if(objectType != objType) {
printf("Object Type\nExpected: %s\nObserved: %s\n",
piglit_get_gl_enum_name(objType),
piglit_get_gl_enum_name(objectType));
return false;
}
/* Object Name */
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
&objectName);
if(objectName != objName) {
printf("Object Name\nExpected: %i\nObserved: %i\n",
objName, objectName);
return false;
}
if(!piglit_check_gl_error(GL_NO_ERROR)) {
printf("Error has occurred in check_texture_parameters()\n");
return false;
}
/*
* If the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE is NONE, no
* framebuffer is bound to target. In this case querying pname
* FRAMEBUFFER_ATTACHMENT_OBJECT_NAME will return zero, and all
* other queries will generate an INVALID_OPERATION error.
*/
if( objectType != GL_NONE ) {
/* Texture Level */
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL,
&textureLevel);
if(textureLevel != level) {
printf("Texture Level\nExpected: %2i\nObserved: %2i\n",
level, textureLevel);
return false;
}
/* Texture Layer */
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER,
&textureLayer);
if(textureLayer != layer) {
printf("Texture Layer\nExpected: %2i\nObserved: %2i\n",
layer, textureLayer);
return false;
}
/* Texture Layered */
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_FRAMEBUFFER_ATTACHMENT_LAYERED,
&textureLayered);
if(textureLayered != layered) {
printf("Texture Layered\nExpected: %2i\nObserved: %2i\n",
layered, textureLayered);
return false;
}
if(!piglit_check_gl_error(GL_NO_ERROR)) {
printf("Error has occurred in check_texture_parameters()\n");
return false;
}
}
return pass;
}
void
piglit_init(int argc, char **argv)
{
bool pass = true;
GLuint fbo, texture;
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D_ARRAY, texture);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER,
GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER,
GL_NEAREST_MIPMAP_NEAREST);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_RGBA, 32, 32, 2, 0,
GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glGenerateMipmap(GL_TEXTURE_2D_ARRAY);
if(!piglit_check_gl_error(GL_NO_ERROR))
piglit_report_result(PIGLIT_FAIL);
/* Check Default Values */
pass = check_texture_parameters(GL_NONE, 0, 0, 0, GL_FALSE) && pass;
/* Attach Texture to Framebuffer's Color Attachment0 */
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, texture, 2);
/* Check Values of Texture */
pass = check_texture_parameters(GL_TEXTURE, texture, 2, 0, GL_TRUE) && pass;
/* Attach Texture of Zero to Framebuffer's Color Attachment0 */
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, 0, 0);
/* Check Values reset to default values */
pass = check_texture_parameters(GL_NONE, 0, 0, 0, GL_FALSE) && pass;
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
enum piglit_result
piglit_display(void)
{
/* UNREACHABLE */
return PIGLIT_FAIL;
}
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