103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/* $XFree86: xc/programs/Xserver/GL/mesa/src/X/xf86glx_util.h,v 1.5 2000/08/10 17:40:29 dawes Exp $ */
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/**************************************************************************
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Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
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All Rights Reserved.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sub license, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice (including the
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next paragraph) shall be included in all copies or substantial portions
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of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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/*
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* Authors:
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* Kevin E. Martin <kevin@precisioninsight.com>
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* Brian Paul <brian@precisioninsight.com>
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*/
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#ifndef _XF86GLX_UTIL_H_
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#define _XF86GLX_UTIL_H_
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#ifdef __CYGWIN__
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#undef WIN32
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#undef _WIN32
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#endif
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#include <screenint.h>
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#include <pixmap.h>
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#include <gc.h>
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#include "GL/xmesa.h"
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#define XMESA_USE_PUTPIXEL_MACRO
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struct _XMesaImageRec {
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int width, height;
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char *data;
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int bytes_per_line; /* Padded to 32 bits */
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int bits_per_pixel;
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};
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extern XMesaImage *XMesaCreateImage(int bitsPerPixel, int width, int height,
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char *data);
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extern void XMesaDestroyImage(XMesaImage *image);
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extern unsigned long XMesaGetPixel(XMesaImage *image, int x, int y);
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#ifdef XMESA_USE_PUTPIXEL_MACRO
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#define XMesaPutPixel(__i,__x,__y,__p) \
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{ \
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CARD8 *__row = (CARD8 *)(__i->data + __y*__i->bytes_per_line); \
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CARD8 *__i8; \
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CARD16 *__i16; \
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CARD32 *__i32; \
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switch (__i->bits_per_pixel) { \
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case 8: \
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__i8 = (CARD8 *)__row; \
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__i8[__x] = (CARD8)__p; \
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break; \
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case 15: \
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case 16: \
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__i16 = (CARD16 *)__row; \
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__i16[__x] = (CARD16)__p; \
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break; \
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case 24: /* WARNING: architecture specific code */ \
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__i8 = (CARD8 *)__row; \
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__i8[__x*3] = (CARD8)(__p); \
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__i8[__x*3+1] = (CARD8)(__p>>8); \
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__i8[__x*3+2] = (CARD8)(__p>>16); \
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break; \
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case 32: \
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__i32 = (CARD32 *)__row; \
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__i32[__x] = (CARD32)__p; \
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break; \
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} \
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}
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#else
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extern void XMesaPutPixel(XMesaImage *image, int x, int y,
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unsigned long pixel);
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#endif
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extern void XMesaPutImageHelper(ScreenPtr display,
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DrawablePtr d, GCPtr gc,
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XMesaImage *image,
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int src_x, int src_y,
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int dest_x, int dest_y,
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unsigned int width, unsigned int height);
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#endif /* _XF86GLX_UTIL_H_ */
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