93 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * (C) Copyright IBM Corporation 2006
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|  * All Rights Reserved.
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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 associated documentation files (the "Software"),
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|  * to deal in the Software without restriction, including without limitation
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|  * on the rights to use, copy, modify, merge, publish, distribute, sub
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|  * license, and/or sell copies of the Software, and to permit persons to whom
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|  * the Software is furnished to do so, subject to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice (including the next
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|  * paragraph) shall be included in all copies or substantial portions of the
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|  * Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
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|  * THE COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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|  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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|  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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|  * USE OR OTHER DEALINGS IN THE SOFTWARE.
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|  */
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| 
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| #define NEED_REPLIES
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| #ifdef HAVE_DIX_CONFIG_H
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| #include <dix-config.h>
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| #endif
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| 
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| #include "glxserver.h"
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| #include "glxutil.h"
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| #include "glxext.h"
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| #include "singlesize.h"
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| #include "unpack.h"
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| #include "indirect_size_get.h"
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| #include "indirect_dispatch.h"
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| #include "glapitable.h"
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| #include "glapi.h"
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| #include "glthread.h"
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| #include "dispatch.h"
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| #include "glapioffsets.h"
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| #include "glxbyteorder.h"
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| 
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| static int DoSwapInterval(__GLXclientState *cl, GLbyte *pc, int do_swap);
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| 
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| int DoSwapInterval(__GLXclientState *cl, GLbyte *pc, int do_swap)
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| {
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|     xGLXVendorPrivateReq * const req = (xGLXVendorPrivateReq *) pc;
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|     ClientPtr client = cl->client;
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|     const GLXContextTag tag = req->contextTag;
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|     __GLXcontext *cx;
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|     GLint interval;
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| 
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| 
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|     cx = __glXLookupContextByTag(cl, tag);
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| 
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|     LogMessage(X_ERROR, "%s: cx = %p, GLX screen = %p\n", __func__,
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| 	       cx, (cx == NULL) ? NULL : cx->pGlxScreen);
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|     if ((cx == NULL) || (cx->pGlxScreen == NULL)) {
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| 	client->errorValue = tag;
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| 	return __glXError(GLXBadContext);
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|     }
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|     
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|     if (cx->pGlxScreen->swapInterval == NULL) {
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| 	LogMessage(X_ERROR, "AIGLX: cx->pGlxScreen->swapInterval == NULL\n");
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| 	client->errorValue = tag;
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| 	return __glXError(GLXUnsupportedPrivateRequest);
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|     }
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| 
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|     if (cx->drawPriv == NULL) {
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| 	client->errorValue = tag;
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| 	return __glXError(GLXBadDrawable);
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|     }
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|     
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|     pc += __GLX_VENDPRIV_HDR_SIZE;
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|     interval = (do_swap)
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|       ? bswap_32(*(int *)(pc + 0))
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|       :          *(int *)(pc + 0);
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| 
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|     (void) (*cx->pGlxScreen->swapInterval)(cx->drawPriv, interval);
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|     return Success;
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| }
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| 
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| int __glXDisp_SwapIntervalSGI(__GLXclientState *cl, GLbyte *pc)
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| {
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|     return DoSwapInterval(cl, pc, 0);
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| }
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| 
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| int __glXDispSwap_SwapIntervalSGI(__GLXclientState *cl, GLbyte *pc)
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| {
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|     return DoSwapInterval(cl, pc, 1);
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| }
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