90 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
 | |
|  * (C) Copyright IBM Corporation 2006
 | |
|  * All Rights Reserved.
 | |
|  *
 | |
|  * Permission is hereby granted, free of charge, to any person obtaining a
 | |
|  * copy of this software and associated documentation files (the "Software"),
 | |
|  * to deal in the Software without restriction, including without limitation
 | |
|  * on the rights to use, copy, modify, merge, publish, distribute, sub
 | |
|  * license, and/or sell copies of the Software, and to permit persons to whom
 | |
|  * the Software is furnished to do so, subject to the following conditions:
 | |
|  *
 | |
|  * The above copyright notice and this permission notice (including the next
 | |
|  * paragraph) shall be included in all copies or substantial portions of the
 | |
|  * Software.
 | |
|  *
 | |
|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | |
|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | |
|  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
 | |
|  * THE COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
 | |
|  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 | |
|  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 | |
|  * USE OR OTHER DEALINGS IN THE SOFTWARE.
 | |
|  */
 | |
| 
 | |
| #include <dix-config.h>
 | |
| 
 | |
| #include "glxserver.h"
 | |
| #include "glxutil.h"
 | |
| #include "glxext.h"
 | |
| #include "misc.h"
 | |
| #include "singlesize.h"
 | |
| #include "unpack.h"
 | |
| #include "indirect_size_get.h"
 | |
| #include "indirect_dispatch.h"
 | |
| 
 | |
| static int DoSwapInterval(__GLXclientState * cl, GLbyte * pc, int do_swap);
 | |
| 
 | |
| int
 | |
| DoSwapInterval(__GLXclientState * cl, GLbyte * pc, int do_swap)
 | |
| {
 | |
|     xGLXVendorPrivateReq *const req = (xGLXVendorPrivateReq *) pc;
 | |
|     ClientPtr client = cl->client;
 | |
|     const GLXContextTag tag = req->contextTag;
 | |
|     __GLXcontext *cx;
 | |
|     GLint interval;
 | |
| 
 | |
|     REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 4);
 | |
| 
 | |
|     cx = __glXLookupContextByTag(cl, tag);
 | |
| 
 | |
|     if ((cx == NULL) || (cx->pGlxScreen == NULL)) {
 | |
|         client->errorValue = tag;
 | |
|         return __glXError(GLXBadContext);
 | |
|     }
 | |
| 
 | |
|     if (cx->pGlxScreen->swapInterval == NULL) {
 | |
|         LogMessage(X_ERROR, "AIGLX: cx->pGlxScreen->swapInterval == NULL\n");
 | |
|         client->errorValue = tag;
 | |
|         return __glXError(GLXUnsupportedPrivateRequest);
 | |
|     }
 | |
| 
 | |
|     if (cx->drawPriv == NULL) {
 | |
|         client->errorValue = tag;
 | |
|         return BadValue;
 | |
|     }
 | |
| 
 | |
|     pc += __GLX_VENDPRIV_HDR_SIZE;
 | |
|     interval = (do_swap)
 | |
|         ? bswap_32(*(int *) (pc + 0))
 | |
|         : *(int *) (pc + 0);
 | |
| 
 | |
|     if (interval <= 0)
 | |
|         return BadValue;
 | |
| 
 | |
|     (void) (*cx->pGlxScreen->swapInterval) (cx->drawPriv, interval);
 | |
|     return Success;
 | |
| }
 | |
| 
 | |
| int
 | |
| __glXDisp_SwapIntervalSGI(__GLXclientState * cl, GLbyte * pc)
 | |
| {
 | |
|     return DoSwapInterval(cl, pc, 0);
 | |
| }
 | |
| 
 | |
| int
 | |
| __glXDispSwap_SwapIntervalSGI(__GLXclientState * cl, GLbyte * pc)
 | |
| {
 | |
|     return DoSwapInterval(cl, pc, 1);
 | |
| }
 |