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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_TEXTURE_H
#define LP_TEXTURE_H
#include "pipe/p_state.h"
#include "util/u_debug.h"
#define LP_MAX_TEXTURE_2D_LEVELS 12 /* 2K x 2K for now */
#define LP_MAX_TEXTURE_3D_LEVELS 10 /* 512 x 512 x 512 for now */
struct pipe_context;
struct pipe_screen;
struct llvmpipe_context;
struct sw_displaytarget;
struct llvmpipe_resource
{
struct pipe_resource base;
unsigned long level_offset[LP_MAX_TEXTURE_2D_LEVELS];
unsigned stride[LP_MAX_TEXTURE_2D_LEVELS];
/**
* Display target, for textures with the PIPE_BIND_DISPLAY_TARGET
* usage.
*/
struct sw_displaytarget *dt;
/**
* Malloc'ed data for regular textures, or a mapping to dt above.
*/
void *data;
boolean userBuffer; /** Is this a user-space buffer? */
unsigned timestamp;
};
struct llvmpipe_transfer
{
struct pipe_transfer base;
unsigned long offset;
};
/** cast wrappers */
static INLINE struct llvmpipe_resource *
llvmpipe_resource(struct pipe_resource *pt)
{
return (struct llvmpipe_resource *) pt;
}
static INLINE const struct llvmpipe_resource *
llvmpipe_resource_const(const struct pipe_resource *pt)
{
return (const struct llvmpipe_resource *) pt;
}
static INLINE struct llvmpipe_transfer *
llvmpipe_transfer(struct pipe_transfer *pt)
{
return (struct llvmpipe_transfer *) pt;
}
void llvmpipe_init_screen_resource_funcs(struct pipe_screen *screen);
void llvmpipe_init_context_resource_funcs(struct pipe_context *pipe);
static INLINE unsigned
llvmpipe_resource_stride(struct pipe_resource *texture,
unsigned level)
{
struct llvmpipe_resource *lpt = llvmpipe_resource(texture);
assert(level < LP_MAX_TEXTURE_2D_LEVELS);
return lpt->stride[level];
}
void *
llvmpipe_resource_map(struct pipe_resource *texture,
unsigned usage,
unsigned face,
unsigned level,
unsigned zslice);
void
llvmpipe_resource_unmap(struct pipe_resource *texture,
unsigned face,
unsigned level,
unsigned zslice);
#endif /* LP_TEXTURE_H */
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