| 1 | /* $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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| 2 | /**************************************************************************
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| 3 |
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| 4 | Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
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| 5 | All Rights Reserved.
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| 6 |
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| 7 | Permission is hereby granted, free of charge, to any person obtaining a
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| 8 | copy of this software and associated documentation files (the
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| 9 | "Software"), to deal in the Software without restriction, including
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| 10 | without limitation the rights to use, copy, modify, merge, publish,
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| 11 | distribute, sub license, and/or sell copies of the Software, and to
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| 12 | permit persons to whom the Software is furnished to do so, subject to
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| 13 | the following conditions:
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| 14 |
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| 15 | The above copyright notice and this permission notice (including the
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| 16 | next paragraph) shall be included in all copies or substantial portions
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| 17 | of the Software.
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| 18 |
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| 19 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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| 20 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| 21 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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| 22 | IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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| 23 | ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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| 24 | TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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| 25 | SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 26 |
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| 27 | **************************************************************************/
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| 28 |
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| 29 | /*
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| 30 | * Authors:
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| 31 | * Kevin E. Martin <kevin@precisioninsight.com>
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| 32 | * Brian Paul <brian@precisioninsight.com>
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| 33 | */
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| 34 |
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| 35 | #ifdef HAVE_DIX_CONFIG_H
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| 36 | #include <dix-config.h>
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| 37 | #endif
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| 38 |
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| 39 | #ifndef _XF86GLX_UTIL_H_
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| 40 | #define _XF86GLX_UTIL_H_
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| 41 |
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| 42 | #ifdef __CYGWIN__
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| 43 | #undef WIN32
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| 44 | #undef _WIN32
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| 45 | #endif
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| 46 |
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| 47 | #include <screenint.h>
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| 48 | #include <pixmap.h>
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| 49 | #include <gc.h>
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| 50 | #include "GL/xmesa.h"
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| 51 |
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| 52 | #define XMESA_USE_PUTPIXEL_MACRO
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| 53 |
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| 54 | struct _XMesaImageRec {
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| 55 | int width, height;
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| 56 | char *data;
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| 57 | int bytes_per_line; /* Padded to 32 bits */
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| 58 | int bits_per_pixel;
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| 59 | };
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| 60 |
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| 61 | extern XMesaImage *XMesaCreateImage(int bitsPerPixel, int width, int height,
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| 62 | char *data);
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| 63 | extern void XMesaDestroyImage(XMesaImage *image);
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| 64 | extern unsigned long XMesaGetPixel(XMesaImage *image, int x, int y);
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| 65 | #ifdef XMESA_USE_PUTPIXEL_MACRO
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| 66 | #define XMesaPutPixel(__i,__x,__y,__p) \
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| 67 | { \
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| 68 | CARD8 *__row = (CARD8 *)(__i->data + __y*__i->bytes_per_line); \
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| 69 | CARD8 *__i8; \
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| 70 | CARD16 *__i16; \
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| 71 | CARD32 *__i32; \
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| 72 | switch (__i->bits_per_pixel) { \
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| 73 | case 8: \
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| 74 | __i8 = (CARD8 *)__row; \
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| 75 | __i8[__x] = (CARD8)__p; \
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| 76 | break; \
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| 77 | case 15: \
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| 78 | case 16: \
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| 79 | __i16 = (CARD16 *)__row; \
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| 80 | __i16[__x] = (CARD16)__p; \
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| 81 | break; \
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| 82 | case 24: /* WARNING: architecture specific code */ \
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| 83 | __i8 = (CARD8 *)__row; \
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| 84 | __i8[__x*3] = (CARD8)(__p); \
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| 85 | __i8[__x*3+1] = (CARD8)(__p>>8); \
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| 86 | __i8[__x*3+2] = (CARD8)(__p>>16); \
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| 87 | break; \
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| 88 | case 32: \
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| 89 | __i32 = (CARD32 *)__row; \
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| 90 | __i32[__x] = (CARD32)__p; \
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| 91 | break; \
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| 92 | } \
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| 93 | }
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| 94 | #else
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| 95 | extern void XMesaPutPixel(XMesaImage *image, int x, int y,
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| 96 | unsigned long pixel);
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| 97 | #endif
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| 98 |
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| 99 | extern void XMesaPutImageHelper(ScreenPtr display,
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| 100 | DrawablePtr d, GCPtr gc,
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| 101 | XMesaImage *image,
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| 102 | int src_x, int src_y,
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| 103 | int dest_x, int dest_y,
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| 104 | unsigned int width, unsigned int height);
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| 105 |
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| 106 | #endif /* _XF86GLX_UTIL_H_ */
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