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/**************************************************************************
*
* Copyright 2008 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 BRW_SCREEN_H
#define BRW_SCREEN_H
#include "pipe/p_state.h"
#include "pipe/p_screen.h"
#include "brw_reg.h"
struct brw_winsys_screen;
/**
* Subclass of pipe_screen
*/
struct brw_screen
{
struct pipe_screen base;
struct brw_chipset chipset;
struct brw_winsys_screen *sws;
};
/**
* Subclass of pipe_transfer
*/
struct brw_transfer
{
struct pipe_transfer base;
unsigned offset;
};
struct brw_buffer
{
struct pipe_buffer base;
struct brw_winsys_buffer *bo;
void *ptr;
boolean is_user_buffer;
};
/*
* Cast wrappers
*/
static INLINE struct brw_screen *
brw_screen(struct pipe_screen *pscreen)
{
return (struct brw_screen *) pscreen;
}
static INLINE struct brw_transfer *
brw_transfer(struct pipe_transfer *transfer)
{
return (struct brw_transfer *)transfer;
}
static INLINE struct brw_buffer *
brw_buffer(struct pipe_buffer *buffer)
{
return (struct brw_buffer *)buffer;
}
/* Pipe buffer helpers
*/
static INLINE boolean
brw_buffer_is_user_buffer( const struct pipe_buffer *buf )
{
return ((const struct brw_buffer *)buf)->is_user_buffer;
}
struct brw_winsys_buffer *
brw_surface_bo( struct pipe_surface *surface );
unsigned
brw_surface_pitch( const struct pipe_surface *surface );
#endif /* BRW_SCREEN_H */
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