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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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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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 "glxbyteorder.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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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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