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/**************************************************************************
*
* 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_context;
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;
}
extern void
pipe_get_tile_raw(struct pipe_context *pipe,
struct pipe_surface *ps,
uint x, uint y, uint w, uint h,
void *p, int dst_stride);
extern void
pipe_put_tile_raw(struct pipe_context *pipe,
struct pipe_surface *ps,
uint x, uint y, uint w, uint h,
const void *p, int src_stride);
extern void
pipe_get_tile_rgba(struct pipe_context *pipe,
struct pipe_surface *ps,
uint x, uint y, uint w, uint h,
float *p);
extern void
pipe_put_tile_rgba(struct pipe_context *pipe,
struct pipe_surface *ps,
uint x, uint y, uint w, uint h,
const float *p);
#endif
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