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DRI2: don't send DRI2 requests the server doesn't know about

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At init time, NULL out the hooks that send the server new requests.
DRI2 never supported these extensions, so this preserves old behavior on
old servers with new Mesa.
This commit is contained in:
Jesse Barnes 2010-01-13 19:01:51 -05:00
parent 62eb28c810
commit 1cfd769c2e
1 changed files with 13 additions and 5 deletions
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18
src/glx/x11/dri2_glx.c
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@ -575,11 +575,19 @@ dri2CreateScreen(__GLXscreenConfigs * psc, int screen,
psp->swapBuffers = dri2SwapBuffers;
psp->waitGL = dri2WaitGL;
psp->waitX = dri2WaitX;
psp->getDrawableMSC = dri2DrawableGetMSC;
psp->waitForMSC = dri2WaitForMSC;
psp->waitForSBC = dri2WaitForSBC;
psp->setSwapInterval = dri2SetSwapInterval;
psp->getSwapInterval = dri2GetSwapInterval;
if (pdp->driMinor >= 2) {
psp->getDrawableMSC = dri2DrawableGetMSC;
psp->waitForMSC = dri2WaitForMSC;
psp->waitForSBC = dri2WaitForSBC;
psp->setSwapInterval = dri2SetSwapInterval;
psp->getSwapInterval = dri2GetSwapInterval;
} else {
psp->getDrawableMSC = NULL;
psp->waitForMSC = NULL;
psp->waitForSBC = NULL;
psp->setSwapInterval = NULL;
psp->getSwapInterval = NULL;
}
/* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
* available.*/