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 "util/u_driconf.h"
35 #include "util/driconf.h"
36 #include "pipe/p_screen.h"
37
38 #include "stw_device.h"
39 #include "stw_winsys.h"
40 #include "stw_pixelformat.h"
41 #include "gldrv.h"
42 #include "stw_tls.h"
43 #include "stw_framebuffer.h"
44 #include "stw_st.h"
45
46
47 struct stw_device *stw_dev = NULL;
48
49 static int
stw_get_param(struct st_manager * smapi,enum st_manager_param param)50 stw_get_param(struct st_manager *smapi,
51 enum st_manager_param param)
52 {
53 switch (param) {
54 case ST_MANAGER_BROKEN_INVALIDATE:
55 /*
56 * Force framebuffer validation on glViewport.
57 *
58 * Certain applications, like Rhinoceros 4, uses glReadPixels
59 * exclusively (never uses SwapBuffers), so framebuffers never get
60 * resized unless we check on glViewport.
61 */
62 return 1;
63 default:
64 return 0;
65 }
66 }
67
68
69 /** Get the refresh rate for the monitor, in Hz */
70 static int
get_refresh_rate(void)71 get_refresh_rate(void)
72 {
73 DEVMODE devModes;
74
75 if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &devModes)) {
76 /* clamp the value, just in case we get garbage */
77 return CLAMP(devModes.dmDisplayFrequency, 30, 120);
78 }
79 else {
80 /* reasonable default */
81 return 60;
82 }
83 }
84
85 static bool
init_screen(const struct stw_winsys * stw_winsys,HDC hdc)86 init_screen(const struct stw_winsys *stw_winsys, HDC hdc)
87 {
88 struct pipe_screen *screen = stw_winsys->create_screen(hdc);
89 if (!screen)
90 return false;
91
92 if (stw_winsys->get_adapter_luid)
93 stw_winsys->get_adapter_luid(screen, hdc, &stw_dev->AdapterLuid);
94
95 stw_dev->smapi->screen = screen;
96 stw_dev->screen = screen;
97
98 stw_dev->max_2d_length = screen->get_param(screen,
99 PIPE_CAP_MAX_TEXTURE_2D_SIZE);
100 return true;
101 }
102
103 static void
init_options()104 init_options()
105 {
106 const driOptionDescription gallium_driconf[] = {
107 #include "pipe-loader/driinfo_gallium.h"
108 };
109
110 const char *driver_name = stw_dev->stw_winsys->get_name ? stw_dev->stw_winsys->get_name() : NULL;
111 driParseOptionInfo(&stw_dev->option_info, gallium_driconf, ARRAY_SIZE(gallium_driconf));
112 driParseConfigFiles(&stw_dev->option_cache, &stw_dev->option_info, 0,
113 driver_name ? driver_name : "", NULL, NULL, NULL, 0, NULL, 0);
114
115 u_driconf_fill_st_options(&stw_dev->st_options, &stw_dev->option_cache);
116 }
117
118 boolean
stw_init(const struct stw_winsys * stw_winsys)119 stw_init(const struct stw_winsys *stw_winsys)
120 {
121 static struct stw_device stw_dev_storage;
122
123 debug_disable_error_message_boxes();
124
125 assert(!stw_dev);
126
127 stw_tls_init();
128
129 stw_dev = &stw_dev_storage;
130 memset(stw_dev, 0, sizeof(*stw_dev));
131
132 stw_dev->stw_winsys = stw_winsys;
133
134 stw_dev->stapi = stw_st_create_api();
135 stw_dev->smapi = CALLOC_STRUCT(st_manager);
136 if (!stw_dev->stapi || !stw_dev->smapi)
137 goto error1;
138
139 stw_dev->smapi->get_param = stw_get_param;
140
141 InitializeCriticalSection(&stw_dev->screen_mutex);
142 InitializeCriticalSection(&stw_dev->ctx_mutex);
143 InitializeCriticalSection(&stw_dev->fb_mutex);
144
145 stw_dev->ctx_table = handle_table_create();
146 if (!stw_dev->ctx_table) {
147 goto error1;
148 }
149
150 /* env var override for WGL_EXT_swap_control, useful for testing/debugging */
151 const char *s = os_get_option("WGL_SWAP_INTERVAL");
152 if (s) {
153 stw_dev->swap_interval = atoi(s);
154 }
155 stw_dev->refresh_rate = get_refresh_rate();
156
157 stw_dev->initialized = true;
158
159 return TRUE;
160
161 error1:
162 FREE(stw_dev->smapi);
163 if (stw_dev->stapi)
164 stw_dev->stapi->destroy(stw_dev->stapi);
165
166 stw_dev = NULL;
167 return FALSE;
168 }
169
170 boolean
stw_init_screen(HDC hdc)171 stw_init_screen(HDC hdc)
172 {
173 EnterCriticalSection(&stw_dev->screen_mutex);
174
175 if (!stw_dev->screen_initialized) {
176 stw_dev->screen_initialized = true;
177 if (!init_screen(stw_dev->stw_winsys, hdc)) {
178 LeaveCriticalSection(&stw_dev->screen_mutex);
179 return false;
180 }
181 init_options();
182 stw_pixelformat_init();
183 }
184
185 LeaveCriticalSection(&stw_dev->screen_mutex);
186 return stw_dev->screen != NULL;
187 }
188
189 struct stw_device *
stw_get_device(void)190 stw_get_device(void)
191 {
192 return stw_dev;
193 }
194
195 boolean
stw_init_thread(void)196 stw_init_thread(void)
197 {
198 return stw_tls_init_thread();
199 }
200
201
202 void
stw_cleanup_thread(void)203 stw_cleanup_thread(void)
204 {
205 stw_tls_cleanup_thread();
206 }
207
208
209 void
stw_cleanup(void)210 stw_cleanup(void)
211 {
212 DHGLRC dhglrc;
213
214 debug_printf("%s\n", __FUNCTION__);
215
216 if (!stw_dev)
217 return;
218
219 /*
220 * Abort cleanup if there are still active contexts. In some situations
221 * this DLL may be unloaded before the DLL that is using GL contexts is.
222 */
223 stw_lock_contexts(stw_dev);
224 dhglrc = handle_table_get_first_handle(stw_dev->ctx_table);
225 stw_unlock_contexts(stw_dev);
226 if (dhglrc) {
227 debug_printf("%s: contexts still active -- cleanup aborted\n", __FUNCTION__);
228 stw_dev = NULL;
229 return;
230 }
231
232 free(stw_dev->st_options.force_gl_vendor);
233 free(stw_dev->st_options.force_gl_renderer);
234 driDestroyOptionCache(&stw_dev->option_cache);
235 driDestroyOptionInfo(&stw_dev->option_info);
236
237 handle_table_destroy(stw_dev->ctx_table);
238
239 stw_framebuffer_cleanup();
240
241 DeleteCriticalSection(&stw_dev->fb_mutex);
242 DeleteCriticalSection(&stw_dev->ctx_mutex);
243 DeleteCriticalSection(&stw_dev->screen_mutex);
244
245 if (stw_dev->smapi->destroy)
246 stw_dev->smapi->destroy(stw_dev->smapi);
247
248 FREE(stw_dev->smapi);
249 stw_dev->stapi->destroy(stw_dev->stapi);
250
251 stw_dev->screen->destroy(stw_dev->screen);
252
253 /* glapi is statically linked: we can call the local destroy function. */
254 #ifdef _GLAPI_NO_EXPORTS
255 _glapi_destroy_multithread();
256 #endif
257
258 stw_tls_cleanup();
259
260 util_dynarray_fini(&stw_dev->pixelformats);
261
262 stw_dev = NULL;
263 }
264
265
266 void APIENTRY
DrvSetCallbackProcs(INT nProcs,PROC * pProcs)267 DrvSetCallbackProcs(INT nProcs, PROC *pProcs)
268 {
269 size_t size;
270
271 if (stw_dev == NULL)
272 return;
273
274 size = MIN2(nProcs * sizeof *pProcs, sizeof stw_dev->callbacks);
275 memcpy(&stw_dev->callbacks, pProcs, size);
276
277 return;
278 }
279
280
281 BOOL APIENTRY
DrvValidateVersion(ULONG ulVersion)282 DrvValidateVersion(ULONG ulVersion)
283 {
284 /* ulVersion is the version reported by the KMD:
285 * - via D3DKMTQueryAdapterInfo(KMTQAITYPE_UMOPENGLINFO) on WDDM,
286 * - or ExtEscape on XPDM and can be used to ensure the KMD and OpenGL ICD
287 * versions match.
288 *
289 * We should get the expected version number from the winsys, but for now
290 * ignore it.
291 */
292 (void)ulVersion;
293 return TRUE;
294 }
295