forked from KolibriOS/kolibrios
146 lines
4.3 KiB
C
146 lines
4.3 KiB
C
|
/**************************************************************************
|
||
|
|
*
|
||
|
|
* Copyright 2007-2009 VMware, Inc.
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
**************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @file
|
||
|
|
* Software rasterizer winsys.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef SW_WINSYS_H
|
||
|
|
#define SW_WINSYS_H
|
||
|
|
|
||
|
|
|
||
|
|
#include "pipe/p_compiler.h" /* for boolean */
|
||
|
|
#include "pipe/p_format.h"
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
struct winsys_handle;
|
||
|
|
struct pipe_screen;
|
||
|
|
struct pipe_context;
|
||
|
|
struct pipe_resource;
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Opaque pointer.
|
||
|
|
*/
|
||
|
|
struct sw_displaytarget;
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This is the interface that sw expects any window system
|
||
|
|
* hosting it to implement.
|
||
|
|
*
|
||
|
|
* sw is for the most part a self sufficient driver. The only thing it
|
||
|
|
* does not know is how to display a surface.
|
||
|
|
*/
|
||
|
|
struct sw_winsys
|
||
|
|
{
|
||
|
|
void
|
||
|
|
(*destroy)( struct sw_winsys *ws );
|
||
|
|
|
||
|
|
boolean
|
||
|
|
(*is_displaytarget_format_supported)( struct sw_winsys *ws,
|
||
|
|
unsigned tex_usage,
|
||
|
|
enum pipe_format format );
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Allocate storage for a render target.
|
||
|
|
*
|
||
|
|
* Often surfaces which are meant to be blitted to the front screen (i.e.,
|
||
|
|
* display targets) must be allocated with special characteristics, memory
|
||
|
|
* pools, or obtained directly from the windowing system.
|
||
|
|
*
|
||
|
|
* This callback is invoked by the pipe_screen when creating a texture marked
|
||
|
|
* with the PIPE_BIND_DISPLAY_TARGET flag to get the underlying
|
||
|
|
* storage.
|
||
|
|
*/
|
||
|
|
struct sw_displaytarget *
|
||
|
|
(*displaytarget_create)( struct sw_winsys *ws,
|
||
|
|
unsigned tex_usage,
|
||
|
|
enum pipe_format format,
|
||
|
|
unsigned width, unsigned height,
|
||
|
|
unsigned alignment,
|
||
|
|
unsigned *stride );
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Used to implement texture_from_handle.
|
||
|
|
*/
|
||
|
|
struct sw_displaytarget *
|
||
|
|
(*displaytarget_from_handle)( struct sw_winsys *ws,
|
||
|
|
const struct pipe_resource *templat,
|
||
|
|
struct winsys_handle *whandle,
|
||
|
|
unsigned *stride );
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Used to implement texture_get_handle.
|
||
|
|
*/
|
||
|
|
boolean
|
||
|
|
(*displaytarget_get_handle)( struct sw_winsys *ws,
|
||
|
|
struct sw_displaytarget *dt,
|
||
|
|
struct winsys_handle *whandle );
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \param flags bitmask of PIPE_TRANSFER_x flags
|
||
|
|
*/
|
||
|
|
void *
|
||
|
|
(*displaytarget_map)( struct sw_winsys *ws,
|
||
|
|
struct sw_displaytarget *dt,
|
||
|
|
unsigned flags );
|
||
|
|
|
||
|
|
void
|
||
|
|
(*displaytarget_unmap)( struct sw_winsys *ws,
|
||
|
|
struct sw_displaytarget *dt );
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @sa pipe_screen:flush_frontbuffer.
|
||
|
|
*
|
||
|
|
* This call will likely become asynchronous eventually.
|
||
|
|
*/
|
||
|
|
void
|
||
|
|
(*displaytarget_display)( struct sw_winsys *ws,
|
||
|
|
struct sw_displaytarget *dt,
|
||
|
|
void *context_private );
|
||
|
|
|
||
|
|
void
|
||
|
|
(*displaytarget_destroy)( struct sw_winsys *ws,
|
||
|
|
struct sw_displaytarget *dt );
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* SW_WINSYS_H */
|