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/* Copyright © 2011 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 clearbuffer-display-list.c
* Verify glClearBuffer functions are supported in display lists
*
* This test works by generating display lists with glClearBufferfv() in
* GL_COMPILE, GL_COMPILE_AND_EXECUTE modes and attempting to clear the color
* buffer using display lists
*
* \author Anuj Phogat
*/
#include "piglit-util-gl-common.h"
#include "clearbuffer-common.h"
void piglit_init(int argc, char **argv)
{
static const float initial_color[4] = { 0.0, 0.0, 0.0, 1.0 };
static const float first[4] = { 0.5, 0.4, 0.3, 1.0 };
static const float second[4] = { 0.8, 0.0, 0.8, 1.0 };
static const float third[4] = { 1.0, 0.3, 0.7, 1.0 };
GLuint index;
bool pass = true;
piglit_require_gl_version(30);
glClear(GL_COLOR_BUFFER_BIT);
/* Probe the color buffer before creating display list. Default clear
* color is (0.0, 0.0, 0.0, 1.0)
*/
pass = piglit_probe_rect_rgba(0, 0,
piglit_width, piglit_height,
initial_color)
&& pass;
/* Generate two display lists */
index = glGenLists(2);
/* Create a new list in compile mode */
glNewList(index, GL_COMPILE);
glClearBufferfv(GL_COLOR,
GL_BACK,
first);
glEndList();
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
/* To ensure that glNewList() just compiles the list in GL_COMPILE
* mode, probe the color buffer after glEndList()
*/
pass = piglit_probe_rect_rgba(0, 0,
piglit_width, piglit_height,
initial_color)
&& pass;
glCallList(index);
/* Probe the color buffer after glCallList() */
pass = piglit_probe_rect_rgba(0, 0,
piglit_width, piglit_height,
first)
&& pass;
/* Create a new list in compile and execute mode */
glNewList(index + 1, GL_COMPILE_AND_EXECUTE);
glClearBufferfv(GL_COLOR,
GL_BACK,
second);
glEndList();
/* Probe the color buffer after display list is executed */
pass = piglit_probe_rect_rgba(0, 0,
piglit_width, piglit_height,
second)
&& pass;
/* To ensure that glNewList() is also able to compile the list in
* GL_COMPILE_AND_EXECUTE mode, clear the buffer to a unique color,
* call glCallList() and probe the color buffer again
*/
glClearBufferfv(GL_COLOR,
GL_BACK,
third);
/* Probe the color buffer before glCallList() */
pass = piglit_probe_rect_rgba(0, 0,
piglit_width, piglit_height,
third)
&& pass;
glCallList(index + 1);
/* Probe the color buffer after glCallList() */
pass = piglit_probe_rect_rgba(0, 0,
piglit_width, piglit_height,
second)
&& pass;
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
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