aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/extras/Mesa_6.4.1/progs/demos/winpos.c
diff options
context:
space:
mode:
Diffstat (limited to 'nx-X11/extras/Mesa_6.4.1/progs/demos/winpos.c')
-rw-r--r--nx-X11/extras/Mesa_6.4.1/progs/demos/winpos.c118
1 files changed, 0 insertions, 118 deletions
diff --git a/nx-X11/extras/Mesa_6.4.1/progs/demos/winpos.c b/nx-X11/extras/Mesa_6.4.1/progs/demos/winpos.c
deleted file mode 100644
index 2ee1df69f..000000000
--- a/nx-X11/extras/Mesa_6.4.1/progs/demos/winpos.c
+++ /dev/null
@@ -1,118 +0,0 @@
-
-/*
- * Example of how to use the GL_MESA_window_pos extension.
- * Brian Paul This file is in the public domain.
- */
-
-#include <math.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#ifdef _WIN32
-#include <windows.h>
-#endif
-#define GL_GLEXT_PROTOTYPES
-#include "GL/glut.h"
-
-#include "readtex.h"
-
-#define IMAGE_FILE "../images/girl.rgb"
-
-
-#ifndef M_PI
-# define M_PI 3.14159265
-#endif
-
-
-
-static GLubyte *Image;
-static int ImgWidth, ImgHeight;
-static GLenum ImgFormat;
-
-typedef void (APIENTRY * PFNWINDOWPOSFUNC)(GLfloat x, GLfloat y);
-static PFNWINDOWPOSFUNC WindowPosFunc;
-
-static void draw( void )
-{
- GLfloat angle;
-
- glClear( GL_COLOR_BUFFER_BIT );
-
- for (angle = -45.0; angle <= 135.0; angle += 10.0) {
- GLfloat x = 50.0 + 200.0 * cos( angle * M_PI / 180.0 );
- GLfloat y = 50.0 + 200.0 * sin( angle * M_PI / 180.0 );
-
- /* Don't need to worry about the modelview or projection matrices!!! */
- (*WindowPosFunc)( x, y );
-
- glDrawPixels( ImgWidth, ImgHeight, ImgFormat, GL_UNSIGNED_BYTE, Image );
- }
- glFinish();
-}
-
-
-static void key( unsigned char key, int x, int y )
-{
- (void) x;
- (void) y;
- switch (key) {
- case 27:
- exit(0);
- }
-}
-
-
-/* new window size or exposure */
-static void reshape( int width, int height )
-{
- glViewport(0, 0, (GLint)width, (GLint)height);
-}
-
-
-static void init( void )
-{
-#ifdef GL_ARB_window_pos
- if (glutExtensionSupported("GL_ARB_window_pos")) {
- printf("Using GL_ARB_window_pos\n");
- WindowPosFunc = &glWindowPos2fARB;
- }
- else
-#elif defined(GL_ARB_window_pos)
- if (glutExtensionSupported("GL_MESA_window_pos")) {
- printf("Using GL_MESA_window_pos\n");
- WindowPosFunc = &glWindowPos2fMESA;
- }
- else
-#endif
- {
- printf("Sorry, GL_ARB/MESA_window_pos extension not available.\n");
- exit(1);
- }
-
- Image = LoadRGBImage( IMAGE_FILE, &ImgWidth, &ImgHeight, &ImgFormat );
- if (!Image) {
- printf("Couldn't read %s\n", IMAGE_FILE);
- exit(0);
- }
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-}
-
-
-int main( int argc, char *argv[] )
-{
- glutInitWindowPosition(0, 0);
- glutInitWindowSize(500, 500);
- glutInitDisplayMode( GLUT_RGB );
-
- if (glutCreateWindow("winpos") <= 0) {
- exit(0);
- }
-
- init();
-
- glutReshapeFunc( reshape );
- glutKeyboardFunc( key );
- glutDisplayFunc( draw );
- glutMainLoop();
- return 0;
-}