1
/**************************************************************************
3
* Copyright 2008 VMware, Inc.
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:
14
* The above copyright notice and this permission notice (including the
15
* next paragraph) shall be included in all copies or substantial portions
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.
26
**************************************************************************/
30
#include "glapi/glapi.h"
31
#include "util/debug.h"
32
#include "util/u_debug.h"
33
#include "util/u_math.h"
34
#include "util/u_memory.h"
35
#include "util/u_driconf.h"
36
#include "util/driconf.h"
37
#include "pipe/p_screen.h"
39
#include "stw_device.h"
40
#include "stw_winsys.h"
41
#include "stw_pixelformat.h"
44
#include "stw_framebuffer.h"
48
struct stw_device *stw_dev = NULL;
51
stw_get_param(struct st_manager *smapi,
52
enum st_manager_param param)
55
case ST_MANAGER_BROKEN_INVALIDATE:
57
* Force framebuffer validation on glViewport.
59
* Certain applications, like Rhinoceros 4, uses glReadPixels
60
* exclusively (never uses SwapBuffers), so framebuffers never get
61
* resized unless we check on glViewport.
70
/** Get the refresh rate for the monitor, in Hz */
72
get_refresh_rate(void)
76
if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &devModes)) {
77
/* clamp the value, just in case we get garbage */
78
return CLAMP(devModes.dmDisplayFrequency, 30, 120);
81
/* reasonable default */
87
init_screen(const struct stw_winsys *stw_winsys, HDC hdc)
89
struct pipe_screen *screen = stw_winsys->create_screen(hdc);
93
if (stw_winsys->get_adapter_luid)
94
stw_winsys->get_adapter_luid(screen, hdc, &stw_dev->AdapterLuid);
96
stw_dev->smapi->screen = screen;
97
stw_dev->screen = screen;
98
stw_dev->zink = !memcmp(screen->get_name(screen), "zink", 4);
100
stw_dev->max_2d_length = screen->get_param(screen,
101
PIPE_CAP_MAX_TEXTURE_2D_SIZE);
108
const driOptionDescription gallium_driconf[] = {
109
#include "pipe-loader/driinfo_gallium.h"
112
const char *driver_name = stw_dev->stw_winsys->get_name ? stw_dev->stw_winsys->get_name() : NULL;
113
driParseOptionInfo(&stw_dev->option_info, gallium_driconf, ARRAY_SIZE(gallium_driconf));
114
driParseConfigFiles(&stw_dev->option_cache, &stw_dev->option_info, 0,
115
driver_name ? driver_name : "", NULL, NULL, NULL, 0, NULL, 0);
117
u_driconf_fill_st_options(&stw_dev->st_options, &stw_dev->option_cache);
121
stw_init(const struct stw_winsys *stw_winsys)
123
static struct stw_device stw_dev_storage;
125
if (env_var_as_boolean("WGL_DISABLE_ERROR_DIALOGS", false))
126
debug_disable_win32_error_dialogs();
132
stw_dev = &stw_dev_storage;
133
memset(stw_dev, 0, sizeof(*stw_dev));
135
stw_dev->stw_winsys = stw_winsys;
137
stw_dev->stapi = stw_st_create_api();
138
stw_dev->smapi = CALLOC_STRUCT(st_manager);
139
if (!stw_dev->stapi || !stw_dev->smapi)
142
stw_dev->smapi->get_param = stw_get_param;
144
InitializeCriticalSection(&stw_dev->screen_mutex);
145
InitializeCriticalSection(&stw_dev->ctx_mutex);
146
InitializeCriticalSection(&stw_dev->fb_mutex);
148
stw_dev->ctx_table = handle_table_create();
149
if (!stw_dev->ctx_table) {
153
/* env var override for WGL_EXT_swap_control, useful for testing/debugging */
154
const char *s = os_get_option("WGL_SWAP_INTERVAL");
156
stw_dev->swap_interval = atoi(s);
158
stw_dev->refresh_rate = get_refresh_rate();
160
stw_dev->initialized = true;
165
FREE(stw_dev->smapi);
167
stw_dev->stapi->destroy(stw_dev->stapi);
174
stw_init_screen(HDC hdc)
176
EnterCriticalSection(&stw_dev->screen_mutex);
178
if (!stw_dev->screen_initialized) {
179
stw_dev->screen_initialized = true;
180
if (!init_screen(stw_dev->stw_winsys, hdc)) {
181
LeaveCriticalSection(&stw_dev->screen_mutex);
185
stw_pixelformat_init();
188
LeaveCriticalSection(&stw_dev->screen_mutex);
189
return stw_dev->screen != NULL;
199
stw_init_thread(void)
201
return stw_tls_init_thread();
206
stw_cleanup_thread(void)
208
stw_tls_cleanup_thread();
217
debug_printf("%s\n", __FUNCTION__);
223
* Abort cleanup if there are still active contexts. In some situations
224
* this DLL may be unloaded before the DLL that is using GL contexts is.
226
stw_lock_contexts(stw_dev);
227
dhglrc = handle_table_get_first_handle(stw_dev->ctx_table);
228
stw_unlock_contexts(stw_dev);
230
debug_printf("%s: contexts still active -- cleanup aborted\n", __FUNCTION__);
235
free(stw_dev->st_options.force_gl_vendor);
236
free(stw_dev->st_options.force_gl_renderer);
237
free(stw_dev->st_options.mesa_extension_override);
238
driDestroyOptionCache(&stw_dev->option_cache);
239
driDestroyOptionInfo(&stw_dev->option_info);
241
handle_table_destroy(stw_dev->ctx_table);
243
stw_framebuffer_cleanup();
245
DeleteCriticalSection(&stw_dev->fb_mutex);
246
DeleteCriticalSection(&stw_dev->ctx_mutex);
247
DeleteCriticalSection(&stw_dev->screen_mutex);
249
if (stw_dev->smapi->destroy)
250
stw_dev->smapi->destroy(stw_dev->smapi);
252
FREE(stw_dev->smapi);
253
stw_dev->stapi->destroy(stw_dev->stapi);
255
stw_dev->screen->destroy(stw_dev->screen);
257
/* glapi is statically linked: we can call the local destroy function. */
258
#ifdef _GLAPI_NO_EXPORTS
259
_glapi_destroy_multithread();
264
util_dynarray_fini(&stw_dev->pixelformats);
271
DrvSetCallbackProcs(INT nProcs, PROC *pProcs)
278
size = MIN2(nProcs * sizeof *pProcs, sizeof stw_dev->callbacks);
279
memcpy(&stw_dev->callbacks, pProcs, size);
286
DrvValidateVersion(ULONG ulVersion)
288
/* ulVersion is the version reported by the KMD:
289
* - via D3DKMTQueryAdapterInfo(KMTQAITYPE_UMOPENGLINFO) on WDDM,
290
* - or ExtEscape on XPDM and can be used to ensure the KMD and OpenGL ICD
293
* We should get the expected version number from the winsys, but for now