diff options
author | Brian Paul <[email protected]> | 2008-08-24 17:48:55 -0600 |
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committer | Brian Paul <[email protected]> | 2008-08-24 17:48:55 -0600 |
commit | 4f25420bdd834e81a3e22733304efc5261c2998a (patch) | |
tree | f60a6221f9ced3f479615094715f25ad32735932 /src/gallium/auxiliary/util/u_tile.h | |
parent | ec7415642d7eb192164e7a513198b86756de484c (diff) |
gallium: refactor/replace p_util.h with util/u_memory.h and util/u_math.h
Also, rename p_tile.[ch] to u_tile.[ch]
Diffstat (limited to 'src/gallium/auxiliary/util/u_tile.h')
-rw-r--r-- | src/gallium/auxiliary/util/u_tile.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_tile.h b/src/gallium/auxiliary/util/u_tile.h new file mode 100644 index 00000000000..a8ac8053083 --- /dev/null +++ b/src/gallium/auxiliary/util/u_tile.h @@ -0,0 +1,101 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, 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 TUNGSTEN GRAPHICS 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. + * + **************************************************************************/ + +#ifndef P_TILE_H +#define P_TILE_H + +#include "pipe/p_compiler.h" + +struct pipe_surface; + + +/** + * Clip tile against surface dims. + * \return TRUE if tile is totally clipped, FALSE otherwise + */ +static INLINE boolean +pipe_clip_tile(uint x, uint y, uint *w, uint *h, const struct pipe_surface *ps) +{ + if (x >= ps->width) + return TRUE; + if (y >= ps->height) + return TRUE; + if (x + *w > ps->width) + *w = ps->width - x; + if (y + *h > ps->height) + *h = ps->height - y; + return FALSE; +} + +#ifdef __cplusplus +extern "C" { +#endif + +void +pipe_get_tile_raw(struct pipe_surface *ps, + uint x, uint y, uint w, uint h, + void *p, int dst_stride); + +void +pipe_put_tile_raw(struct pipe_surface *ps, + uint x, uint y, uint w, uint h, + const void *p, int src_stride); + + +void +pipe_get_tile_rgba(struct pipe_surface *ps, + uint x, uint y, uint w, uint h, + float *p); + +void +pipe_put_tile_rgba(struct pipe_surface *ps, + uint x, uint y, uint w, uint h, + const float *p); + + +void +pipe_get_tile_z(struct pipe_surface *ps, + uint x, uint y, uint w, uint h, + uint *z); + +void +pipe_put_tile_z(struct pipe_surface *ps, + uint x, uint y, uint w, uint h, + const uint *z); + +void +pipe_tile_raw_to_rgba(enum pipe_format format, + void *src, + uint w, uint h, + float *dst, unsigned dst_stride); + + +#ifdef __cplusplus +} +#endif + +#endif |