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 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 boolean 67 stw_init(const struct stw_winsys *stw_winsys) 68 { 69 static struct stw_device stw_dev_storage; 70 struct pipe_screen *screen; 71 72 debug_disable_error_message_boxes(); 73 74 debug_printf("%s\n", __FUNCTION__); 75 76 assert(!stw_dev); 77 78 stw_tls_init(); 79 80 stw_dev = &stw_dev_storage; 81 memset(stw_dev, 0, sizeof(*stw_dev)); 82 83 #ifdef DEBUG 84 stw_dev->memdbg_no = debug_memory_begin(); 85 #endif 86 87 stw_dev->stw_winsys = stw_winsys; 88 89 stw_dev->stapi = stw_st_create_api(); 90 stw_dev->smapi = CALLOC_STRUCT(st_manager); 91 if (!stw_dev->stapi || !stw_dev->smapi) 92 goto error1; 93 94 screen = stw_winsys->create_screen(); 95 if(!screen) 96 goto error1; 97 98 if(stw_winsys->get_adapter_luid) 99 stw_winsys->get_adapter_luid(screen, &stw_dev->AdapterLuid); 100 101 stw_dev->smapi->screen = screen; 102 stw_dev->smapi->get_param = stw_get_param; 103 stw_dev->screen = screen; 104 105 stw_dev->max_2d_levels = 106 screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS); 107 stw_dev->max_2d_length = 1 << (stw_dev->max_2d_levels - 1); 108 109 InitializeCriticalSection(&stw_dev->ctx_mutex); 110 InitializeCriticalSection(&stw_dev->fb_mutex); 111 112 stw_dev->ctx_table = handle_table_create(); 113 if (!stw_dev->ctx_table) { 114 goto error1; 115 } 116 117 stw_pixelformat_init(); 118 119 stw_dev->initialized = true; 120 121 return TRUE; 122 123 error1: 124 FREE(stw_dev->smapi); 125 if (stw_dev->stapi) 126 stw_dev->stapi->destroy(stw_dev->stapi); 127 128 stw_dev = NULL; 129 return FALSE; 130 } 131 132 133 boolean 134 stw_init_thread(void) 135 { 136 return stw_tls_init_thread(); 137 } 138 139 140 void 141 stw_cleanup_thread(void) 142 { 143 stw_tls_cleanup_thread(); 144 } 145 146 147 void 148 stw_cleanup(void) 149 { 150 DHGLRC dhglrc; 151 152 debug_printf("%s\n", __FUNCTION__); 153 154 if (!stw_dev) 155 return; 156 157 /* 158 * Abort cleanup if there are still active contexts. In some situations 159 * this DLL may be unloaded before the DLL that is using GL contexts is. 160 */ 161 stw_lock_contexts(stw_dev); 162 dhglrc = handle_table_get_first_handle(stw_dev->ctx_table); 163 stw_unlock_contexts(stw_dev); 164 if (dhglrc) { 165 debug_printf("%s: contexts still active -- cleanup aborted\n", __FUNCTION__); 166 stw_dev = NULL; 167 return; 168 } 169 170 handle_table_destroy(stw_dev->ctx_table); 171 172 stw_framebuffer_cleanup(); 173 174 DeleteCriticalSection(&stw_dev->fb_mutex); 175 DeleteCriticalSection(&stw_dev->ctx_mutex); 176 177 FREE(stw_dev->smapi); 178 stw_dev->stapi->destroy(stw_dev->stapi); 179 180 stw_dev->screen->destroy(stw_dev->screen); 181 182 /* glapi is statically linked: we can call the local destroy function. */ 183 #ifdef _GLAPI_NO_EXPORTS 184 _glapi_destroy_multithread(); 185 #endif 186 187 #ifdef DEBUG 188 debug_memory_end(stw_dev->memdbg_no); 189 #endif 190 191 stw_tls_cleanup(); 192 193 stw_dev = NULL; 194 } 195 196 197 void APIENTRY 198 DrvSetCallbackProcs( 199 INT nProcs, 200 PROC *pProcs ) 201 { 202 size_t size; 203 204 if (stw_dev == NULL) 205 return; 206 207 size = MIN2(nProcs * sizeof *pProcs, sizeof stw_dev->callbacks); 208 memcpy(&stw_dev->callbacks, pProcs, size); 209 210 return; 211 } 212 213 214 BOOL APIENTRY 215 DrvValidateVersion( 216 ULONG ulVersion ) 217 { 218 /* ulVersion is the version reported by the KMD: 219 * - via D3DKMTQueryAdapterInfo(KMTQAITYPE_UMOPENGLINFO) on WDDM, 220 * - or ExtEscape on XPDM and can be used to ensure the KMD and OpenGL ICD 221 * versions match. 222 * 223 * We should get the expected version number from the winsys, but for now 224 * ignore it. 225 */ 226 (void)ulVersion; 227 return TRUE; 228 } 229
