92 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright (c) 2016, NVIDIA CORPORATION.
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining a
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|  * copy of this software and/or associated documentation files (the
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|  * "Materials"), to deal in the Materials without restriction, including
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|  * without limitation the rights to use, copy, modify, merge, publish,
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|  * distribute, sublicense, and/or sell copies of the Materials, and to
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|  * permit persons to whom the Materials are furnished to do so, subject to
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|  * the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included
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|  * unaltered in all copies or substantial portions of the Materials.
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|  * Any additions, deletions, or changes to the original source files
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|  * must be clearly indicated in accompanying documentation.
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|  *
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|  * If only executable code is distributed, then the accompanying
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|  * documentation must state that "this software is based in part on the
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|  * work of the Khronos Group."
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|  *
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|  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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|  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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|  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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|  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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|  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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|  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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|  * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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|  */
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| 
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| #include "vndservervendor.h"
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| 
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| struct xorg_list GlxVendorList = { &GlxVendorList, &GlxVendorList };
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| 
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| GlxServerVendor *GlxCreateVendor(const GlxServerImports *imports)
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| {
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|     GlxServerVendor *vendor = NULL;
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| 
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|     if (imports == NULL) {
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|         ErrorF("GLX: Vendor library did not provide an imports table\n");
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|         return NULL;
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|     }
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| 
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|     if (imports->extensionCloseDown == NULL
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|             || imports->handleRequest == NULL
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|             || imports->getDispatchAddress == NULL
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|             || imports->makeCurrent == NULL) {
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|         ErrorF("GLX: Vendor library is missing required callback functions.\n");
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|         return NULL;
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|     }
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| 
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|     vendor = (GlxServerVendor *) calloc(1, sizeof(GlxServerVendor));
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|     if (vendor == NULL) {
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|         ErrorF("GLX: Can't allocate vendor library.\n");
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|         return NULL;
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|     }
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|     memcpy(&vendor->glxvc, imports, sizeof(GlxServerImports));
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| 
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|     xorg_list_append(&vendor->entry, &GlxVendorList);
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|     return vendor;
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| }
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| 
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| void GlxDestroyVendor(GlxServerVendor *vendor)
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| {
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|     if (vendor != NULL) {
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|         xorg_list_del(&vendor->entry);
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|         free(vendor);
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|     }
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| }
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| 
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| void GlxVendorExtensionReset(const ExtensionEntry *extEntry)
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| {
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|     GlxServerVendor *vendor, *tempVendor;
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| 
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|     // TODO: Do we allow the driver to destroy a vendor library handle from
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|     // here?
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|     xorg_list_for_each_entry_safe(vendor, tempVendor, &GlxVendorList, entry) {
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|         if (vendor->glxvc.extensionCloseDown != NULL) {
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|             vendor->glxvc.extensionCloseDown(extEntry);
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|         }
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|     }
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| 
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|     // If the server is exiting instead of starting a new generation, then
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|     // free the remaining GlxServerVendor structs.
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|     //
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|     // XXX this used to be conditional on xf86ServerIsExiting, but it's
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|     // cleaner to just always create the vendor struct on every generation,
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|     // if nothing else so all ddxes get the same behavior.
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|     xorg_list_for_each_entry_safe(vendor, tempVendor, &GlxVendorList, entry) {
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|         GlxDestroyVendor(vendor);
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|     }
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| }
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