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/**************************************************************************
*
* Copyright 2008-2009 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 VMWARE 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 STW_WINSYS_H
#define STW_WINSYS_H
#include <windows.h> /* for HDC */
#include "pipe/p_compiler.h"
#include "frontend/api.h"
struct pipe_screen;
struct pipe_context;
struct pipe_resource;
struct stw_shared_surface;
typedef enum
{
stw_pfd_gdi_support = 1 << 0,
stw_pfd_double_buffer = 1 << 1,
} stw_pfd_flag;
struct stw_winsys_framebuffer
{
void
(*destroy)(struct stw_winsys_framebuffer *fb);
boolean
(*present)(struct stw_winsys_framebuffer *fb);
void
(*resize)(struct stw_winsys_framebuffer *fb,
struct pipe_context *context,
struct pipe_resource *templ);
struct pipe_resource *
(*get_resource)(struct stw_winsys_framebuffer *fb,
enum st_attachment_type statt);
};
struct stw_winsys
{
struct pipe_screen *
(*create_screen)( HDC hDC );
/* XXX is it actually possible to have non-zero level/layer ??? */
/**
* Present the color buffer to the window associated with the device context.
*/
void
(*present)( struct pipe_screen *screen,
struct pipe_context *context,
struct pipe_resource *res,
HDC hDC );
/**
* Locally unique identifier (LUID) of the graphics adapter.
*
* @sa GLCBPRESENTBUFFERSDATA::AdapterLuid;
*/
boolean
(*get_adapter_luid)( struct pipe_screen *screen,
HDC hDC,
LUID *pAdapterLuid );
/**
* Open a shared surface (optional).
*
* @sa GLCBPRESENTBUFFERSDATA::hSharedSurface;
*/
struct stw_shared_surface *
(*shared_surface_open)(struct pipe_screen *screen,
HANDLE hSharedSurface);
/**
* Close a shared surface (optional).
*/
void
(*shared_surface_close)(struct pipe_screen *screen,
struct stw_shared_surface *surface);
/**
* Compose into a shared surface (optional).
*
* Blit the color buffer into a shared surface.
*
* @sa GLPRESENTBUFFERSDATA::PresentHistoryToken.
*/
void
(*compose)( struct pipe_screen *screen,
struct pipe_resource *res,
struct stw_shared_surface *dest,
LPCRECT pRect,
ULONGLONG PresentHistoryToken );
/**
* Query whether the driver can support GDI and/or double-buffering in its
* pixel formats (optional).
*/
unsigned
(*get_pfd_flags)( struct pipe_screen *screen );
/**
* Create a winsys-specific object for a given DC's framebuffer
*/
struct stw_winsys_framebuffer *
(*create_framebuffer)( struct pipe_screen *screen,
HDC hDC,
int iPixelFormat );
};
boolean
stw_init(const struct stw_winsys *stw_winsys);
boolean
stw_init_thread(void);
void
stw_cleanup_thread(void);
void
stw_cleanup(void);
#endif /* STW_WINSYS_H */
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