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/*
* (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.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "glheader.h"
#include "glxserver.h"
#include "glxutil.h"
#include "glxext.h"
#include "singlesize.h"
#include "unpack.h"
#include "indirect_size_get.h"
#include "indirect_dispatch.h"
#include "glxbyteorder.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);
}
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