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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 CELL_TEXTURE_H
#define CELL_TEXTURE_H
#include "cell/common.h"
struct cell_context;
struct pipe_resource;
/**
* Subclass of pipe_resource
*/
struct cell_resource
{
struct pipe_resource base;
unsigned long level_offset[CELL_MAX_TEXTURE_LEVELS];
unsigned long stride[CELL_MAX_TEXTURE_LEVELS];
/**
* Display target, for textures with the PIPE_BIND_DISPLAY_TARGET
* usage.
*/
struct sw_displaytarget *dt;
unsigned dt_stride;
/**
* Malloc'ed data for regular textures, or a mapping to dt above.
*/
void *data;
boolean userBuffer;
/* Size of the linear buffer??
*/
unsigned long buffer_size;
/** The buffer above, mapped. This is the memory from which the
* SPUs will fetch texels. This texture data is in the tiled layout.
*/
ubyte *mapped;
};
struct cell_transfer
{
struct pipe_transfer base;
unsigned long offset;
void *map;
};
/** cast wrapper */
static INLINE struct cell_resource *
cell_resource(struct pipe_resource *pt)
{
return (struct cell_resource *) pt;
}
/** cast wrapper */
static INLINE struct cell_transfer *
cell_transfer(struct pipe_transfer *pt)
{
return (struct cell_transfer *) pt;
}
extern void
cell_init_screen_texture_funcs(struct pipe_screen *screen);
extern void
cell_init_texture_transfer_funcs(struct cell_context *cell);
#endif /* CELL_TEXTURE_H */
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