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/**************************************************************************
*
* Copyright 2008 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_DEVICE_H_
#define STW_DEVICE_H_
#include "pipe/p_compiler.h"
#include "util/u_handle_table.h"
#include "stw_icd.h"
#include "stw_pixelformat.h"
#define STW_MAX_PIXELFORMATS 256
struct pipe_screen;
struct st_api;
struct st_manager;
struct stw_framebuffer;
struct stw_device
{
const struct stw_winsys *stw_winsys;
struct pipe_screen *screen;
/* Cache some PIPE_CAP_* */
unsigned max_2d_levels;
unsigned max_2d_length;
struct st_api *stapi;
struct st_manager *smapi;
LUID AdapterLuid;
struct stw_pixelformat_info pixelformats[STW_MAX_PIXELFORMATS];
unsigned pixelformat_count;
unsigned pixelformat_extended_count;
GLCALLBACKTABLE callbacks;
CRITICAL_SECTION ctx_mutex;
struct handle_table *ctx_table;
/* TODO: use an atomic counter to track the number of locked
* stw_framebuffer objects. Assert that the counter is zero when
* trying to lock this mutex.
*/
CRITICAL_SECTION fb_mutex;
struct stw_framebuffer *fb_head;
#ifdef DEBUG
unsigned long memdbg_no;
#endif
};
extern struct stw_device *stw_dev;
static inline struct stw_context *
stw_lookup_context_locked( DHGLRC dhglrc )
{
if (dhglrc == 0 || stw_dev == NULL)
return NULL;
return (struct stw_context *) handle_table_get(stw_dev->ctx_table, dhglrc);
}
static inline void
stw_lock_contexts(struct stw_device *stw_dev)
{
EnterCriticalSection(&stw_dev->ctx_mutex);
}
static inline void
stw_unlock_contexts(struct stw_device *stw_dev)
{
LeaveCriticalSection(&stw_dev->ctx_mutex);
}
static inline void
stw_lock_framebuffers(struct stw_device *stw_dev)
{
EnterCriticalSection(&stw_dev->fb_mutex);
}
static inline void
stw_unlock_framebuffers(struct stw_device *stw_dev)
{
LeaveCriticalSection(&stw_dev->fb_mutex);
}
#endif /* STW_DEVICE_H_ */
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