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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 LP_TILE_CACHE_H
#define LP_TILE_CACHE_H
#define TILE_CLEAR_OPTIMIZATION 1
#include "pipe/p_compiler.h"
struct llvmpipe_context;
struct llvmpipe_tile_cache;
/**
* Cache tile size (width and height). This needs to be a power of two.
*/
#define TILE_SIZE 64
struct llvmpipe_cached_tile
{
int x, y; /**< pos of tile in window coords */
int z, face, level; /**< Extra texture indexes */
union {
float color[TILE_SIZE][TILE_SIZE][4];
uint color32[TILE_SIZE][TILE_SIZE];
uint depth32[TILE_SIZE][TILE_SIZE];
ushort depth16[TILE_SIZE][TILE_SIZE];
ubyte stencil8[TILE_SIZE][TILE_SIZE];
ubyte any[1];
} data;
};
extern struct llvmpipe_tile_cache *
lp_create_tile_cache( struct pipe_screen *screen );
extern void
lp_destroy_tile_cache(struct llvmpipe_tile_cache *tc);
extern void
lp_tile_cache_set_surface(struct llvmpipe_tile_cache *tc,
struct pipe_surface *lps);
extern struct pipe_surface *
lp_tile_cache_get_surface(struct llvmpipe_tile_cache *tc);
extern void
lp_tile_cache_map_transfers(struct llvmpipe_tile_cache *tc);
extern void
lp_tile_cache_unmap_transfers(struct llvmpipe_tile_cache *tc);
extern void
lp_tile_cache_set_texture(struct pipe_context *pipe,
struct llvmpipe_tile_cache *tc,
struct pipe_texture *texture);
extern void
lp_flush_tile_cache(struct llvmpipe_context *llvmpipe,
struct llvmpipe_tile_cache *tc);
extern void
lp_tile_cache_clear(struct llvmpipe_tile_cache *tc, const float *rgba,
uint clearValue);
extern struct llvmpipe_cached_tile *
lp_get_cached_tile(struct llvmpipe_context *llvmpipe,
struct llvmpipe_tile_cache *tc, int x, int y);
extern const struct llvmpipe_cached_tile *
lp_get_cached_tile_tex(struct llvmpipe_context *llvmpipe,
struct llvmpipe_tile_cache *tc, int x, int y, int z,
int face, int level);
#endif /* LP_TILE_CACHE_H */
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