| /************************************************************************** |
| * |
| * 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 |
| |
| bool initialized; |
| }; |
| |
| |
| 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_ */ |