diff options
author | Jakob Bornecrantz <jakob@vmware.com> | 2009-06-09 07:53:25 +0200 |
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committer | Jakob Bornecrantz <jakob@vmware.com> | 2009-06-09 07:53:25 +0200 |
commit | ee98ae5a29ca870149c4a0d2a8f25f55e0fd333a (patch) | |
tree | 308fa87e22a276c0f8f28fd9f0986d20b52be928 /progs/tests/scissor-viewport.c | |
parent | d9617deb008b75f4a605a30408aeb1948139c33e (diff) | |
parent | 76a1017e978f8e51114d765c8c98ff25da13042b (diff) |
Merge branch 'mesa_7_5_branch'
Conflicts:
Makefile
src/mesa/main/version.h
src/mesa/shader/slang/slang_preprocess.c
src/mesa/state_tracker/st_cb_bufferobjects.c
Diffstat (limited to 'progs/tests/scissor-viewport.c')
-rw-r--r-- | progs/tests/scissor-viewport.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/progs/tests/scissor-viewport.c b/progs/tests/scissor-viewport.c new file mode 100644 index 0000000000..582e65fb72 --- /dev/null +++ b/progs/tests/scissor-viewport.c @@ -0,0 +1,138 @@ +/* + * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc. + * Copyright (c) 2009 VMware, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and + * its documentation for any purpose is hereby granted without fee, provided + * that (i) the above copyright notices and this permission notice appear in + * all copies of the software and related documentation, and (ii) the name of + * Silicon Graphics may not be used in any advertising or + * publicity relating to the software without the specific, prior written + * permission of Silicon Graphics. + * + * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF + * ANY KIND, + * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY + * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + * + * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR + * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, + * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, + * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF + * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <GL/glut.h> + +struct program +{ + unsigned width; + unsigned height; + int i; +}; + +struct program prog; + +static void init(void) +{ + fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); + fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION)); + fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR)); + fflush(stderr); + + prog.i = 0; +} + +static void reshape(int width, int height) +{ + glViewport(0, 0, 100, 100); + + prog.width = width; + prog.height = height; + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); + glMatrixMode(GL_MODELVIEW); +} + +static void key(unsigned char key, int x, int y) +{ + + switch (key) { + case 27: + exit(1); + default: + glutPostRedisplay(); + return; + } +} + +static void drawQuad(void) +{ + glBegin(GL_QUADS); + glVertex2d(-1.0, -1.0); + glVertex2d( 1.0, -1.0); + glVertex2d( 1.0, 1.0); + glVertex2d(-1.0, 1.0); + glEnd(); +} + +static void draw(void) +{ + int i; + + glClearColor(0.0, 0.0, 1.0, 0.0); + glClear(GL_COLOR_BUFFER_BIT); + + i = prog.i++; + if (prog.i >= 3) + prog.i = 0; + + glEnable(GL_SCISSOR_TEST); + + { + glColor4d(1.0, 0.0, 0.0, 1.0); + + glScissor(i, i, 10 - 2*i, 10 - 2*i); + drawQuad(); + } + + glDisable(GL_SCISSOR_TEST); + + //glutSwapBuffers(); + glFlush(); +} + +int main(int argc, char **argv) +{ + GLenum type; + + glutInit(&argc, argv); + + prog.width = 200; + prog.height = 200; + + glutInitWindowPosition(100, 0); + glutInitWindowSize(prog.width, prog.height); + + //type = GLUT_RGB | GLUT_DOUBLE; + type = GLUT_RGB | GLUT_SINGLE; + glutInitDisplayMode(type); + + if (glutCreateWindow(*argv) == GL_FALSE) { + exit(1); + } + + init(); + + glutReshapeFunc(reshape); + glutKeyboardFunc(key); + glutDisplayFunc(draw); + glutMainLoop(); + return 0; +} |