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 "state_tracker/st_context.h"
29
30 #include <windows.h>
31
32 #include "glapi/glapi.h"
33 #include "util/u_debug.h"
34 #include "util/u_math.h"
35 #include "util/u_memory.h"
36 #include "util/u_driconf.h"
37 #include "util/driconf.h"
38 #include "pipe/p_screen.h"
39
40 #include "stw_device.h"
41 #include "stw_winsys.h"
42 #include "stw_pixelformat.h"
43 #include "stw_gdishim.h"
44 #include "gldrv.h"
45 #include "stw_tls.h"
46 #include "stw_framebuffer.h"
47 #include "stw_st.h"
48
49
50 struct stw_device *stw_dev = NULL;
51
52 static int
stw_get_param(struct pipe_frontend_screen * fscreen,enum st_manager_param param)53 stw_get_param(struct pipe_frontend_screen *fscreen,
54 enum st_manager_param param)
55 {
56 switch (param) {
57 case ST_MANAGER_BROKEN_INVALIDATE:
58 /*
59 * Force framebuffer validation on glViewport.
60 *
61 * Certain applications, like Rhinoceros 4, uses glReadPixels
62 * exclusively (never uses SwapBuffers), so framebuffers never get
63 * resized unless we check on glViewport.
64 */
65 return 1;
66 default:
67 return 0;
68 }
69 }
70
71
72 /** Get the refresh rate for the monitor, in Hz */
73 static int
get_refresh_rate(void)74 get_refresh_rate(void)
75 {
76 #ifndef _GAMING_XBOX
77 DEVMODE devModes = { .dmSize = sizeof(DEVMODE) };
78
79 if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &devModes)) {
80 /* clamp the value, just in case we get garbage */
81 return CLAMP(devModes.dmDisplayFrequency, 30, 120);
82 }
83 else {
84 /* reasonable default */
85 return 60;
86 }
87 #else
88 return 60;
89 #endif /* _GAMING_XBOX */
90 }
91
92 static bool
init_screen(const struct stw_winsys * stw_winsys,HDC hdc)93 init_screen(const struct stw_winsys *stw_winsys, HDC hdc)
94 {
95 struct pipe_screen *screen = stw_winsys->create_screen(hdc);
96 if (!screen)
97 return false;
98
99 if (stw_winsys->get_adapter_luid)
100 stw_winsys->get_adapter_luid(screen, hdc, &stw_dev->AdapterLuid);
101
102 stw_dev->fscreen->screen = screen;
103 stw_dev->screen = screen;
104 stw_dev->zink = !memcmp(screen->get_name(screen), "zink", 4);
105
106 stw_dev->max_2d_length = screen->caps.max_texture_2d_size;
107 return true;
108 }
109
110 static const driOptionDescription gallium_driconf[] = {
111 #include "pipe-loader/driinfo_gallium.h"
112
113 DRI_CONF_SECTION("WGL")
114 DRI_CONF_WGL_FRAME_LATENCY(2)
115 DRI_CONF_WGL_SWAP_INTERVAL(1)
116 DRI_CONF_SECTION_END
117 };
118
119 static void
init_options()120 init_options()
121 {
122 const char *driver_name = stw_dev->stw_winsys->get_name ? stw_dev->stw_winsys->get_name() : NULL;
123 driParseOptionInfo(&stw_dev->option_info, gallium_driconf, ARRAY_SIZE(gallium_driconf));
124 driParseConfigFiles(&stw_dev->option_cache, &stw_dev->option_info, 0,
125 driver_name ? driver_name : "", NULL, NULL, NULL, 0, NULL, 0);
126
127 u_driconf_fill_st_options(&stw_dev->st_options, &stw_dev->option_cache);
128
129 stw_dev->swap_interval = driQueryOptioni(&stw_dev->option_cache, "wgl_swap_interval");
130 }
131
132 char *
stw_get_config_xml(void)133 stw_get_config_xml(void)
134 {
135 return driGetOptionsXml(gallium_driconf, ARRAY_SIZE(gallium_driconf));
136 }
137
138 bool
stw_init(const struct stw_winsys * stw_winsys)139 stw_init(const struct stw_winsys *stw_winsys)
140 {
141 static struct stw_device stw_dev_storage;
142
143 if (debug_get_bool_option("WGL_DISABLE_ERROR_DIALOGS", false))
144 debug_disable_win32_error_dialogs();
145
146 assert(!stw_dev);
147
148 stw_tls_init();
149
150 stw_dev = &stw_dev_storage;
151 memset(stw_dev, 0, sizeof(*stw_dev));
152
153 stw_dev->stw_winsys = stw_winsys;
154
155 stw_dev->fscreen = CALLOC_STRUCT(pipe_frontend_screen);
156 if (!stw_dev->fscreen)
157 goto error1;
158
159 stw_dev->fscreen->get_param = stw_get_param;
160
161 InitializeCriticalSection(&stw_dev->screen_mutex);
162 InitializeCriticalSection(&stw_dev->ctx_mutex);
163 InitializeCriticalSection(&stw_dev->fb_mutex);
164
165 stw_dev->ctx_table = handle_table_create();
166 if (!stw_dev->ctx_table) {
167 goto error1;
168 }
169
170 stw_dev->refresh_rate = get_refresh_rate();
171
172 stw_dev->initialized = true;
173
174 return true;
175
176 error1:
177 FREE(stw_dev->fscreen);
178
179 stw_dev = NULL;
180 return false;
181 }
182
183 bool
stw_init_screen(HDC hdc)184 stw_init_screen(HDC hdc)
185 {
186 EnterCriticalSection(&stw_dev->screen_mutex);
187
188 if (!stw_dev->screen_initialized) {
189 stw_dev->screen_initialized = true;
190 if (!init_screen(stw_dev->stw_winsys, hdc)) {
191 LeaveCriticalSection(&stw_dev->screen_mutex);
192 return false;
193 }
194 init_options();
195 stw_pixelformat_init();
196 }
197
198 LeaveCriticalSection(&stw_dev->screen_mutex);
199 return stw_dev->screen != NULL;
200 }
201
202 struct stw_device *
stw_get_device(void)203 stw_get_device(void)
204 {
205 return stw_dev;
206 }
207
208 bool
stw_init_thread(void)209 stw_init_thread(void)
210 {
211 return stw_tls_init_thread();
212 }
213
214
215 void
stw_cleanup_thread(void)216 stw_cleanup_thread(void)
217 {
218 stw_tls_cleanup_thread();
219 }
220
221
222 void
stw_cleanup(void)223 stw_cleanup(void)
224 {
225 DHGLRC dhglrc;
226
227 debug_printf("%s\n", __func__);
228
229 if (!stw_dev)
230 return;
231
232 /*
233 * Abort cleanup if there are still active contexts. In some situations
234 * this DLL may be unloaded before the DLL that is using GL contexts is.
235 */
236 stw_lock_contexts(stw_dev);
237 dhglrc = handle_table_get_first_handle(stw_dev->ctx_table);
238 stw_unlock_contexts(stw_dev);
239 if (dhglrc) {
240 debug_printf("%s: contexts still active -- cleanup aborted\n", __func__);
241 stw_dev = NULL;
242 return;
243 }
244
245 free(stw_dev->st_options.force_gl_vendor);
246 free(stw_dev->st_options.force_gl_renderer);
247 free(stw_dev->st_options.mesa_extension_override);
248 driDestroyOptionCache(&stw_dev->option_cache);
249 driDestroyOptionInfo(&stw_dev->option_info);
250
251 handle_table_destroy(stw_dev->ctx_table);
252
253 stw_framebuffer_cleanup();
254
255 DeleteCriticalSection(&stw_dev->fb_mutex);
256 DeleteCriticalSection(&stw_dev->ctx_mutex);
257 DeleteCriticalSection(&stw_dev->screen_mutex);
258
259 st_screen_destroy(stw_dev->fscreen);
260 FREE(stw_dev->fscreen);
261
262 if (stw_dev->screen)
263 stw_dev->screen->destroy(stw_dev->screen);
264
265 stw_tls_cleanup();
266
267 util_dynarray_fini(&stw_dev->pixelformats);
268
269 stw_dev = NULL;
270 }
271
272
273 void APIENTRY
DrvSetCallbackProcs(INT nProcs,PROC * pProcs)274 DrvSetCallbackProcs(INT nProcs, PROC *pProcs)
275 {
276 size_t size;
277
278 if (stw_dev == NULL)
279 return;
280
281 size = MIN2(nProcs * sizeof *pProcs, sizeof stw_dev->callbacks);
282 memcpy(&stw_dev->callbacks, pProcs, size);
283
284 return;
285 }
286
287
288 BOOL APIENTRY
DrvValidateVersion(ULONG ulVersion)289 DrvValidateVersion(ULONG ulVersion)
290 {
291 /* ulVersion is the version reported by the KMD:
292 * - via D3DKMTQueryAdapterInfo(KMTQAITYPE_UMOPENGLINFO) on WDDM,
293 * - or ExtEscape on XPDM and can be used to ensure the KMD and OpenGL ICD
294 * versions match.
295 *
296 * We should get the expected version number from the winsys, but for now
297 * ignore it.
298 */
299 (void)ulVersion;
300 return true;
301 }
302