90 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			2.7 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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#include <dix-config.h>
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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 "misc.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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static int DoSwapInterval(__GLXclientState * cl, GLbyte * pc, int do_swap);
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int
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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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    REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 4);
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    cx = __glXLookupContextByTag(cl, tag);
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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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    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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    if (cx->drawPriv == NULL) {
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        client->errorValue = tag;
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        return BadValue;
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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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    if (interval <= 0)
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        return BadValue;
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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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int
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__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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int
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__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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