diff options
Diffstat (limited to 'xc/programs/Xserver/GL/mesa/src/X/xf86glx_util.h')
| -rw-r--r-- | xc/programs/Xserver/GL/mesa/src/X/xf86glx_util.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/xc/programs/Xserver/GL/mesa/src/X/xf86glx_util.h b/xc/programs/Xserver/GL/mesa/src/X/xf86glx_util.h new file mode 100644 index 000000000..e5a88fe86 --- /dev/null +++ b/xc/programs/Xserver/GL/mesa/src/X/xf86glx_util.h @@ -0,0 +1,98 @@ +/* $XFree86: xc/programs/Xserver/GL/mesa/src/X/xf86glx_util.h,v 1.2 1999/06/14 07:31:43 dawes Exp $ */ +/************************************************************************** + +Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. +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 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 PRECISION INSIGHT AND/OR ITS 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. + +**************************************************************************/ + +/* + * Authors: + * Kevin E. Martin <kevin@precisioninsight.com> + * + * $PI: xc/programs/Xserver/GL/mesa/src/X/xf86glx_util.h,v 1.5 1999/03/15 21:36:10 martin Exp $ + */ + +#ifndef _XF86GLX_UTIL_H_ +#define _XF86GLX_UTIL_H_ + +#include <screenint.h> +#include <pixmap.h> +#include <gc.h> +#include "GL/xmesa.h" + +#define XMESA_USE_PUTPIXEL_MACRO + +struct _XMesaImageRec { + int width, height; + char *data; + int bytes_per_line; /* Padded to 32 bits */ + int bits_per_pixel; +}; + +extern XMesaImage *XMesaCreateImage(int depth, int width, int height, + char *data); +extern void XMesaDestroyImage(XMesaImage *image); +extern unsigned long XMesaGetPixel(XMesaImage *image, int x, int y); +#ifdef XMESA_USE_PUTPIXEL_MACRO +#define XMesaPutPixel(__i,__x,__y,__p) \ +{ \ + CARD8 *__row = (CARD8 *)(__i->data + __y*__i->bytes_per_line); \ + CARD8 *__i8; \ + CARD16 *__i16; \ + CARD32 *__i32; \ + switch (__i->bits_per_pixel) { \ + case 8: \ + __i8 = (CARD8 *)__row; \ + __i8[__x] = (CARD8)__p; \ + break; \ + case 15: \ + case 16: \ + __i16 = (CARD16 *)__row; \ + __i16[__x] = (CARD16)__p; \ + break; \ + case 24: /* WARNING: architecture specific code */ \ + __i8 = (CARD8 *)__row; \ + __i8[__x*3] = (CARD8)(__p); \ + __i8[__x*3+1] = (CARD8)(__p>>8); \ + __i8[__x*3+2] = (CARD8)(__p>>16); \ + break; \ + case 32: \ + __i32 = (CARD32 *)__row; \ + __i32[__x] = (CARD32)__p; \ + break; \ + } \ +} +#else +extern void XMesaPutPixel(XMesaImage *image, int x, int y, + unsigned long pixel); +#endif + +extern void XMesaPutImageHelper(ScreenPtr display, + DrawablePtr d, GCPtr gc, + XMesaImage *image, + int src_x, int src_y, + int dest_x, int dest_y, + unsigned int width, unsigned int height); + +#endif /* _XF86GLX_UTIL_H_ */ |