1 /**************************************************************************
2 *
3 * Copyright 2008 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 #include <windows.h>
29
30 #include "glapi/glapi.h"
31 #include "util/u_debug.h"
32 #include "util/u_math.h"
33 #include "util/u_memory.h"
34 #include "pipe/p_screen.h"
35
36 #include "stw_device.h"
37 #include "stw_winsys.h"
38 #include "stw_pixelformat.h"
39 #include "stw_icd.h"
40 #include "stw_tls.h"
41 #include "stw_framebuffer.h"
42 #include "stw_st.h"
43
44
45 struct stw_device *stw_dev = NULL;
46
47 static int
stw_get_param(struct st_manager * smapi,enum st_manager_param param)48 stw_get_param(struct st_manager *smapi,
49 enum st_manager_param param)
50 {
51 switch (param) {
52 case ST_MANAGER_BROKEN_INVALIDATE:
53 /*
54 * Force framebuffer validation on glViewport.
55 *
56 * Certain applications, like Rhinoceros 4, uses glReadPixels
57 * exclusively (never uses SwapBuffers), so framebuffers never get
58 * resized unless we check on glViewport.
59 */
60 return 1;
61 default:
62 return 0;
63 }
64 }
65
66
67 /** Get the refresh rate for the monitor, in Hz */
68 static int
get_refresh_rate(void)69 get_refresh_rate(void)
70 {
71 DEVMODE devModes;
72
73 if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &devModes)) {
74 /* clamp the value, just in case we get garbage */
75 return CLAMP(devModes.dmDisplayFrequency, 30, 120);
76 }
77 else {
78 /* reasonable default */
79 return 60;
80 }
81 }
82
83
84 boolean
stw_init(const struct stw_winsys * stw_winsys)85 stw_init(const struct stw_winsys *stw_winsys)
86 {
87 static struct stw_device stw_dev_storage;
88 struct pipe_screen *screen;
89
90 debug_disable_error_message_boxes();
91
92 debug_printf("%s\n", __FUNCTION__);
93
94 assert(!stw_dev);
95
96 stw_tls_init();
97
98 stw_dev = &stw_dev_storage;
99 memset(stw_dev, 0, sizeof(*stw_dev));
100
101 #ifdef DEBUG
102 stw_dev->memdbg_no = debug_memory_begin();
103 #endif
104
105 stw_dev->stw_winsys = stw_winsys;
106
107 stw_dev->stapi = stw_st_create_api();
108 stw_dev->smapi = CALLOC_STRUCT(st_manager);
109 if (!stw_dev->stapi || !stw_dev->smapi)
110 goto error1;
111
112 screen = stw_winsys->create_screen();
113 if (!screen)
114 goto error1;
115
116 if (stw_winsys->get_adapter_luid)
117 stw_winsys->get_adapter_luid(screen, &stw_dev->AdapterLuid);
118
119 stw_dev->smapi->screen = screen;
120 stw_dev->smapi->get_param = stw_get_param;
121 stw_dev->screen = screen;
122
123 stw_dev->max_2d_levels =
124 screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
125 stw_dev->max_2d_length = 1 << (stw_dev->max_2d_levels - 1);
126
127 InitializeCriticalSection(&stw_dev->ctx_mutex);
128 InitializeCriticalSection(&stw_dev->fb_mutex);
129
130 stw_dev->ctx_table = handle_table_create();
131 if (!stw_dev->ctx_table) {
132 goto error1;
133 }
134
135 stw_pixelformat_init();
136
137 /* env var override for WGL_EXT_swap_control, useful for testing/debugging */
138 const char *s = os_get_option("SVGA_SWAP_INTERVAL");
139 if (s) {
140 stw_dev->swap_interval = atoi(s);
141 }
142 stw_dev->refresh_rate = get_refresh_rate();
143
144 stw_dev->initialized = true;
145
146 return TRUE;
147
148 error1:
149 FREE(stw_dev->smapi);
150 if (stw_dev->stapi)
151 stw_dev->stapi->destroy(stw_dev->stapi);
152
153 stw_dev = NULL;
154 return FALSE;
155 }
156
157
158 boolean
stw_init_thread(void)159 stw_init_thread(void)
160 {
161 return stw_tls_init_thread();
162 }
163
164
165 void
stw_cleanup_thread(void)166 stw_cleanup_thread(void)
167 {
168 stw_tls_cleanup_thread();
169 }
170
171
172 void
stw_cleanup(void)173 stw_cleanup(void)
174 {
175 DHGLRC dhglrc;
176
177 debug_printf("%s\n", __FUNCTION__);
178
179 if (!stw_dev)
180 return;
181
182 /*
183 * Abort cleanup if there are still active contexts. In some situations
184 * this DLL may be unloaded before the DLL that is using GL contexts is.
185 */
186 stw_lock_contexts(stw_dev);
187 dhglrc = handle_table_get_first_handle(stw_dev->ctx_table);
188 stw_unlock_contexts(stw_dev);
189 if (dhglrc) {
190 debug_printf("%s: contexts still active -- cleanup aborted\n", __FUNCTION__);
191 stw_dev = NULL;
192 return;
193 }
194
195 handle_table_destroy(stw_dev->ctx_table);
196
197 stw_framebuffer_cleanup();
198
199 DeleteCriticalSection(&stw_dev->fb_mutex);
200 DeleteCriticalSection(&stw_dev->ctx_mutex);
201
202 if (stw_dev->smapi->destroy)
203 stw_dev->smapi->destroy(stw_dev->smapi);
204
205 FREE(stw_dev->smapi);
206 stw_dev->stapi->destroy(stw_dev->stapi);
207
208 stw_dev->screen->destroy(stw_dev->screen);
209
210 /* glapi is statically linked: we can call the local destroy function. */
211 #ifdef _GLAPI_NO_EXPORTS
212 _glapi_destroy_multithread();
213 #endif
214
215 #ifdef DEBUG
216 debug_memory_end(stw_dev->memdbg_no);
217 #endif
218
219 stw_tls_cleanup();
220
221 stw_dev = NULL;
222 }
223
224
225 void APIENTRY
DrvSetCallbackProcs(INT nProcs,PROC * pProcs)226 DrvSetCallbackProcs(INT nProcs, PROC *pProcs)
227 {
228 size_t size;
229
230 if (stw_dev == NULL)
231 return;
232
233 size = MIN2(nProcs * sizeof *pProcs, sizeof stw_dev->callbacks);
234 memcpy(&stw_dev->callbacks, pProcs, size);
235
236 return;
237 }
238
239
240 BOOL APIENTRY
DrvValidateVersion(ULONG ulVersion)241 DrvValidateVersion(ULONG ulVersion)
242 {
243 /* ulVersion is the version reported by the KMD:
244 * - via D3DKMTQueryAdapterInfo(KMTQAITYPE_UMOPENGLINFO) on WDDM,
245 * - or ExtEscape on XPDM and can be used to ensure the KMD and OpenGL ICD
246 * versions match.
247 *
248 * We should get the expected version number from the winsys, but for now
249 * ignore it.
250 */
251 (void)ulVersion;
252 return TRUE;
253 }
254