diff options
| -rw-r--r-- | src/mesa/drivers/x11/xm_image.c | 149 | ||||
| -rw-r--r-- | src/mesa/drivers/x11/xm_image.h | 105 |
2 files changed, 254 insertions, 0 deletions
diff --git a/src/mesa/drivers/x11/xm_image.c b/src/mesa/drivers/x11/xm_image.c new file mode 100644 index 00000000000..6af773f5384 --- /dev/null +++ b/src/mesa/drivers/x11/xm_image.c @@ -0,0 +1,149 @@ +/************************************************************************** + +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 <[email protected]> + * Brian Paul <[email protected]> + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <stdlib.h> + +#include "xf86glx_util.h" +#include <X11/Xmd.h> + +#ifdef ROUNDUP +#undef ROUNDUP +#endif + +#define ROUNDUP(nbytes, pad) ((((nbytes) + ((pad)-1)) / (pad)) * ((pad)>>3)) + +XMesaImage *XMesaCreateImage(int bitsPerPixel, int width, int height, char *data) +{ + XMesaImage *image; + + image = (XMesaImage *)xalloc(sizeof(XMesaImage)); + + if (image) { + image->width = width; + image->height = height; + image->data = data; + /* Always pad to 32 bits */ + image->bytes_per_line = ROUNDUP((bitsPerPixel * width), 32); + image->bits_per_pixel = bitsPerPixel; + } + + return image; +} + +void XMesaDestroyImage(XMesaImage *image) +{ + if (image->data) + free(image->data); + xfree(image); +} + +unsigned long XMesaGetPixel(XMesaImage *image, int x, int y) +{ + CARD8 *row = (CARD8 *)(image->data + y*image->bytes_per_line); + CARD8 *i8; + CARD16 *i16; + CARD32 *i32; + switch (image->bits_per_pixel) { + case 8: + i8 = (CARD8 *)row; + return i8[x]; + break; + case 15: + case 16: + i16 = (CARD16 *)row; + return i16[x]; + break; + case 24: /* WARNING: architecture specific code */ + i8 = (CARD8 *)row; + return (((CARD32)i8[x*3]) | + (((CARD32)i8[x*3+1])<<8) | + (((CARD32)i8[x*3+2])<<16)); + break; + case 32: + i32 = (CARD32 *)row; + return i32[x]; + break; + } + return 0; +} + +#ifndef XMESA_USE_PUTPIXEL_MACRO +void XMesaPutPixel(XMesaImage *image, int x, int y, unsigned long pixel) +{ + CARD8 *row = (CARD8 *)(image->data + y*image->bytes_per_line); + CARD8 *i8; + CARD16 *i16; + CARD32 *i32; + switch (image->bits_per_pixel) { + case 8: + i8 = (CARD8 *)row; + i8[x] = (CARD8)pixel; + break; + case 15: + case 16: + i16 = (CARD16 *)row; + i16[x] = (CARD16)pixel; + 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); + case 32: + i32 = (CARD32 *)row; + i32[x] = (CARD32)pixel; + break; + } +} +#endif + +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) +{ + /* NOT_DONE: Verify that the following works for all depths */ + char *src = (image->data + + src_y * image->bytes_per_line + + ((src_x * image->bits_per_pixel) >> 3)); + + ValidateGC(d, gc); + (*gc->ops->PutImage)(d, gc, d->depth, dest_x, dest_y, width, height, + 0, ZPixmap, src); +} diff --git a/src/mesa/drivers/x11/xm_image.h b/src/mesa/drivers/x11/xm_image.h new file mode 100644 index 00000000000..bb314128d48 --- /dev/null +++ b/src/mesa/drivers/x11/xm_image.h @@ -0,0 +1,105 @@ +/************************************************************************** + +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 <[email protected]> + * Brian Paul <[email protected]> + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#ifndef _XF86GLX_UTIL_H_ +#define _XF86GLX_UTIL_H_ + +#ifdef __CYGWIN__ +#undef WIN32 +#undef _WIN32 +#endif + +#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 bitsPerPixel, 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_ */ |