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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.
*
**************************************************************************/
/* Authors: Keith Whitwell <keith@tungstengraphics.com>
*/
#ifndef SP_SURFACE_H
#define SP_SURFACE_H
#include "sp_headers.h"
#include "pipe/p_state.h"
struct pipe_context;
struct softpipe_surface;
struct softpipe_context;
/**
* Softpipe surface is derived from pipe_surface.
*/
struct softpipe_surface {
struct pipe_surface surface;
/**
* Functions for read/writing surface data
*/
void (*read_quad_f)( struct softpipe_surface *,
int x, int y,
float (*rgba)[NUM_CHANNELS] );
void (*read_quad_f_swz)( struct softpipe_surface *,
int x, int y,
float (*rrrr)[QUAD_SIZE] );
void (*read_quad_ub)( struct softpipe_surface *,
int x, int y,
ubyte (*rgba)[NUM_CHANNELS] );
void (*write_quad_f)( struct softpipe_surface *,
int x, int y,
float (*rgba)[NUM_CHANNELS] );
void (*write_quad_f_swz)( struct softpipe_surface *,
int x, int y,
float (*rrrr)[QUAD_SIZE] );
void (*write_quad_ub)( struct softpipe_surface *,
int x, int y,
ubyte (*rgba)[NUM_CHANNELS] );
void (*read_quad_z)(struct softpipe_surface *,
int x, int y, unsigned zzzz[QUAD_SIZE]);
void (*write_quad_z)(struct softpipe_surface *,
int x, int y, const unsigned zzzz[QUAD_SIZE]);
void (*read_quad_stencil)(struct softpipe_surface *,
int x, int y, ubyte ssss[QUAD_SIZE]);
void (*write_quad_stencil)(struct softpipe_surface *,
int x, int y, const ubyte ssss[QUAD_SIZE]);
};
extern struct pipe_surface *
softpipe_get_tex_surface(struct pipe_context *pipe,
struct pipe_mipmap_tree *mt,
unsigned face, unsigned level, unsigned zslice);
extern void
softpipe_init_surface_funcs(struct softpipe_surface *sps);
/** Cast wrapper */
static INLINE struct softpipe_surface *
softpipe_surface(struct pipe_surface *ps)
{
return (struct softpipe_surface *) ps;
}
extern void
sp_init_surface_functions(struct softpipe_context *sp);
#endif /* SP_SURFACE_H */
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