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add vblank support to i915 driver

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This commit is contained in:
Dave Airlie
2006-02-06 00:09:58 +00:00
parent 640ef7f890
commit 4cd0e24f86
6 changed files with 151 additions and 17 deletions
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22
src/mesa/drivers/dri/i915/intel_ioctl.c
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@@ -40,9 +40,20 @@
#include "intel_batchbuffer.h"
#include "drm.h"
u_int32_t intelGetLastFrame (intelContextPtr intel)
{
int ret;
u_int32_t frame;
drm_i915_getparam_t gp;
gp.param = I915_PARAM_LAST_DISPATCH;
gp.value = (int *)&frame;
ret = drmCommandWriteRead( intel->driFd, DRM_I915_GETPARAM,
&gp, sizeof(gp) );
return frame;
}
static int intelEmitIrqLocked( intelContextPtr intel )
int intelEmitIrqLocked( intelContextPtr intel )
{
drmI830IrqEmit ie;
int ret, seq;
@@ -65,18 +76,17 @@ static int intelEmitIrqLocked( intelContextPtr intel )
return seq;
}
static void intelWaitIrq( intelContextPtr intel, int seq )
void intelWaitIrq( intelContextPtr intel, int seq )
{
drmI830IrqWait iw;
int ret;
if (0)
fprintf(stderr, "%s %d\n", __FUNCTION__, seq );
iw.irq_seq = seq;
intel->iw.irq_seq = seq;
do {
ret = drmCommandWrite( intel->driFd, DRM_I830_IRQ_WAIT, &iw, sizeof(iw) );
ret = drmCommandWrite( intel->driFd, DRM_I830_IRQ_WAIT, &intel->iw, sizeof(intel->iw) );
} while (ret == -EAGAIN || ret == -EINTR);
if ( ret ) {