Commit 799e9299 authored by Shuang He's avatar Shuang He Committed by Vinson Lee

fdo23670-drawpix_stencil: Add test case from FDO bug 23670.

parent 0163ab7b
/*
* Copyright © 2009 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.
*
* Authors:
* Shuang he <shuang.he@intel.com>
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <GL/glew.h>
#if defined(__APPLE__)
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif
#define WIN_WIDTH 100
#define WIN_HEIGHT 100
static void
init(void)
{
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, WIN_WIDTH, 0, WIN_HEIGHT, -1, 1);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
}
static void
display(void)
{
GLubyte stencil_rect[20 * 20];
int i;
glClearStencil(0);
glClearDepth(1.0);
glClearColor(0.0, 0.0, 0.0, 0.0);
glDisable(GL_DITHER);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 20);
for (i=0; i<20*20; i++)
if (i < 20*20/2)
stencil_rect[i] = 1;
else
stencil_rect[i] = 0;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glEnable(GL_STENCIL_TEST);
glStencilFunc(GL_LESS, 0, (GLuint)~0);
glRasterPos2i(50, 50);
glDrawPixels(20, 20, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, stencil_rect);
glColor3f(1.0, 0.0, 0.0);
glRectf(50, 50, 50+20, 50+20);
glDisable(GL_STENCIL_TEST);
glutSwapBuffers();
}
int main(int argc, char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH | GLUT_STENCIL);
glutInitWindowSize(WIN_WIDTH, WIN_HEIGHT);
glutCreateWindow("drawpix_stencil");
glutDisplayFunc(display);
init();
glutMainLoop();
return 0;
}
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