diff options
-rw-r--r-- | progs/tests/Makefile | 1 | ||||
-rw-r--r-- | progs/tests/bug_3101.c | 126 |
2 files changed, 127 insertions, 0 deletions
diff --git a/progs/tests/Makefile b/progs/tests/Makefile index 4d3d2696b8b..c32eb9beaf6 100644 --- a/progs/tests/Makefile +++ b/progs/tests/Makefile @@ -22,6 +22,7 @@ SOURCES = antialias.c \ blendminmax.c \ blendsquare.c \ bufferobj.c \ + bug_3101.c \ crossbar.c \ cva.c \ dinoshade.c \ diff --git a/progs/tests/bug_3101.c b/progs/tests/bug_3101.c new file mode 100644 index 00000000000..d27488262aa --- /dev/null +++ b/progs/tests/bug_3101.c @@ -0,0 +1,126 @@ +/* + * (C) Copyright IBM Corporation 2004 + * All Rights Reserved. + * + * 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 + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS 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 blendminmax.c + * + * Simple test of GL_EXT_blend_minmax functionality. Four squares are drawn + * with different blending modes, but all should be rendered with the same + * final color. + * + * \author Ian Romanick <[email protected]> + */ + +#include <stdio.h> +#include <stdlib.h> +#include <GL/glut.h> + +static int Width = 400; +static int Height = 200; +static const GLfloat Near = 5.0, Far = 25.0; + + +static void Display( void ) +{ + glClearColor(0.2, 0.2, 0.8, 0); + glClear( GL_COLOR_BUFFER_BIT ); + + glPushMatrix(); + + /* This is the "reference" square. + */ + + glTranslatef(-4.5, 0, 0); + glBlendEquation( GL_FUNC_ADD ); + glBlendFunc( GL_ONE, GL_ZERO ); + glBegin(GL_QUADS); + glColor3f( 0.5, 0.5, 0.5 ); + glVertex2f(-1, -1); + glVertex2f( 1, -1); + glEdgeFlag(GL_TRUE); + glVertex2f( 1, 1); + glVertex2f(-1, 1); + glEnd(); + + glutSwapBuffers(); +} + + +static void Reshape( int width, int height ) +{ + GLfloat ar = (float) width / (float) height; + Width = width; + Height = height; + glViewport( 0, 0, width, height ); + glMatrixMode( GL_PROJECTION ); + glLoadIdentity(); + glFrustum( -ar, ar, -1.0, 1.0, Near, Far ); + glMatrixMode( GL_MODELVIEW ); + glLoadIdentity(); + glTranslatef( 0.0, 0.0, -15.0 ); +} + + +static void Key( unsigned char key, int x, int y ) +{ + (void) x; + (void) y; + switch (key) { + case 27: + exit(0); + break; + } + glutPostRedisplay(); +} + + +static void Init( void ) +{ + const char * const ver_string = (const char * const) + glGetString( GL_VERSION ); + + printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); + printf("GL_VERSION = %s\n", ver_string); + + printf("\nThis program should draw a single square, but not crash.\n"); + printf("This is a regression test for bug #3101.\n"); + printf("https://bugs.freedesktop.org/show_bug.cgi?id=3101\n"); + glEnable( GL_BLEND ); +} + + +int main( int argc, char *argv[] ) +{ + glutInit( &argc, argv ); + glutInitWindowPosition( 0, 0 ); + glutInitWindowSize( Width, Height ); + glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE ); + glutCreateWindow( "Bug #3101 Test" ); + glutReshapeFunc( Reshape ); + glutKeyboardFunc( Key ); + glutDisplayFunc( Display ); + Init(); + glutMainLoop(); + return 0; +} |