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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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50
src/mesa/drivers/dri/i915/intel_batchbuffer.c
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@@ -32,6 +32,7 @@
#include "mtypes.h"
#include "context.h"
#include "enums.h"
#include "vblank.h"
#include "intel_reg.h"
#include "intel_batchbuffer.h"
@@ -329,6 +330,38 @@ GLuint *intelEmitInlinePrimitiveLocked(intelContextPtr intel,
}
static void intelWaitForFrameCompletion( intelContextPtr intel )
{
drm_i915_sarea_t *sarea = (drm_i915_sarea_t *)intel->sarea;
if (intel->do_irqs) {
if (intelGetLastFrame(intel) < sarea->last_dispatch) {
if (!intel->irqsEmitted) {
while (intelGetLastFrame (intel) < sarea->last_dispatch)
;
}
else {
UNLOCK_HARDWARE( intel );
intelWaitIrq( intel, intel->alloc.irq_emitted );
LOCK_HARDWARE( intel );
}
intel->irqsEmitted = 10;
}
if (intel->irqsEmitted) {
intelEmitIrqLocked( intel );
intel->irqsEmitted--;
}
}
else {
while (intelGetLastFrame (intel) < sarea->last_dispatch) {
UNLOCK_HARDWARE( intel );
if (intel->do_usleeps)
DO_USLEEP( 1 );
LOCK_HARDWARE( intel );
}
}
}
/*
* Copy the back buffer to the front buffer.
@@ -336,6 +369,8 @@ GLuint *intelEmitInlinePrimitiveLocked(intelContextPtr intel,
void intelCopyBuffer( const __DRIdrawablePrivate *dPriv )
{
intelContextPtr intel;
GLboolean missed_target;
int64_t ust;
if (0)
fprintf(stderr, "%s\n", __FUNCTION__);
@@ -347,6 +382,12 @@ void intelCopyBuffer( const __DRIdrawablePrivate *dPriv )
intel = (intelContextPtr) dPriv->driContextPriv->driverPrivate;
intelFlush( &intel->ctx );
LOCK_HARDWARE( intel );
intelWaitForFrameCompletion( intel );
UNLOCK_HARDWARE( intel );
driWaitForVBlank( dPriv, &intel->vbl_seq, intel->vblank_flags, & missed_target );
LOCK_HARDWARE( intel );
{
const intelScreenPrivate *intelScreen = intel->intelScreen;
@@ -412,6 +453,15 @@ void intelCopyBuffer( const __DRIdrawablePrivate *dPriv )
}
intelFlushBatchLocked( intel, GL_TRUE, GL_TRUE, GL_TRUE );
UNLOCK_HARDWARE( intel );
intel->swap_count++;
(*dri_interface->getUST)(&ust);
if (missed_target) {
intel->swap_missed_count++;
intel->swap_missed_ust = ust - intel->swap_ust;
}
intel->swap_ust = ust;
}