82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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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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*
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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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*
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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 TUNGSTEN GRAPHICS 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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#ifndef P_TILE_H
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#define P_TILE_H
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#include "pipe/p_compiler.h"
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struct pipe_context;
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struct pipe_surface;
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/**
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* Clip tile against surface dims.
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* \return TRUE if tile is totally clipped, FALSE otherwise
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*/
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static INLINE boolean
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pipe_clip_tile(uint x, uint y, uint *w, uint *h, const struct pipe_surface *ps)
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{
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if (x >= ps->width)
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return TRUE;
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if (y >= ps->height)
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return TRUE;
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if (x + *w > ps->width)
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*w = ps->width - x;
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if (y + *h > ps->height)
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*h = ps->height - y;
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return FALSE;
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}
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extern void
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pipe_get_tile_raw(struct pipe_context *pipe,
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struct pipe_surface *ps,
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uint x, uint y, uint w, uint h,
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void *p, int dst_stride);
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extern void
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pipe_put_tile_raw(struct pipe_context *pipe,
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struct pipe_surface *ps,
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uint x, uint y, uint w, uint h,
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const void *p, int src_stride);
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extern void
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pipe_get_tile_rgba(struct pipe_context *pipe,
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struct pipe_surface *ps,
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uint x, uint y, uint w, uint h,
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float *p);
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extern void
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pipe_put_tile_rgba(struct pipe_context *pipe,
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struct pipe_surface *ps,
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uint x, uint y, uint w, uint h,
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const float *p);
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#endif
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