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-rw-r--r--src/mesa/drivers/dri/i915/intel_batchbuffer.c192
-rw-r--r--src/mesa/drivers/dri/i915/intel_context.h9
2 files changed, 122 insertions, 79 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_batchbuffer.c b/src/mesa/drivers/dri/i915/intel_batchbuffer.c
index dd754c67d44..8b1c1c5b980 100644
--- a/src/mesa/drivers/dri/i915/intel_batchbuffer.c
+++ b/src/mesa/drivers/dri/i915/intel_batchbuffer.c
@@ -368,6 +368,7 @@ void intelCopyBuffer( const __DRIdrawablePrivate *dPriv,
const drm_clip_rect_t *rect)
{
intelContextPtr intel;
+ const intelScreenPrivate *intelScreen;
GLboolean missed_target;
int64_t ust;
@@ -382,97 +383,130 @@ void intelCopyBuffer( const __DRIdrawablePrivate *dPriv,
intelFlush( &intel->ctx );
- intelWaitForFrameCompletion( intel );
- LOCK_HARDWARE( intel );
-
- if (!rect)
- {
- UNLOCK_HARDWARE( intel );
- driWaitForVBlank( dPriv, &intel->vbl_seq, intel->vblank_flags, & missed_target );
- LOCK_HARDWARE( intel );
- }
- {
- const intelScreenPrivate *intelScreen = intel->intelScreen;
- const __DRIdrawablePrivate *dPriv = intel->driDrawable;
- const int nbox = dPriv->numClipRects;
- const drm_clip_rect_t *pbox = dPriv->pClipRects;
- drm_clip_rect_t box;
- const int cpp = intelScreen->cpp;
- const int pitch = intelScreen->front.pitch; /* in bytes */
- int i;
- GLuint CMD, BR13;
- BATCH_LOCALS;
-
- switch(cpp) {
- case 2:
- BR13 = (pitch) | (0xCC << 16) | (1<<24);
- CMD = XY_SRC_COPY_BLT_CMD;
- break;
- case 4:
- BR13 = (pitch) | (0xCC << 16) | (1<<24) | (1<<25);
- CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
- XY_SRC_COPY_BLT_WRITE_RGB);
- break;
- default:
- BR13 = (pitch) | (0xCC << 16) | (1<<24);
- CMD = XY_SRC_COPY_BLT_CMD;
- break;
+ intelScreen = intel->intelScreen;
+
+ if (!rect && !intel->swap_scheduled && intelScreen->drmMinor >= 6 &&
+ !(intel->vblank_flags & VBLANK_FLAG_NO_IRQ) &&
+ intelScreen->current_rotation == 0) {
+ unsigned int interval = driGetVBlankInterval(dPriv, intel->vblank_flags);
+ unsigned int target;
+ drm_i915_vblank_swap_t swap;
+
+ swap.drawable = dPriv->hHWDrawable;
+ swap.seqtype = DRM_VBLANK_ABSOLUTE;
+ target = swap.sequence = intel->vbl_seq + interval;
+
+ if (intel->vblank_flags & VBLANK_FLAG_SYNC) {
+ swap.seqtype |= DRM_VBLANK_NEXTONMISS;
+ } else if (interval == 0) {
+ goto noschedule;
}
-
- if (0)
- intel_draw_performance_boxes( intel );
- for (i = 0 ; i < nbox; i++, pbox++)
- {
- if (pbox->x1 > pbox->x2 ||
- pbox->y1 > pbox->y2 ||
- pbox->x2 > intelScreen->width ||
- pbox->y2 > intelScreen->height) {
- _mesa_warning(&intel->ctx, "Bad cliprect in intelCopyBuffer()");
- continue;
- }
+ if (!drmCommandWriteRead(intel->driFd, DRM_I915_VBLANK_SWAP, &swap,
+ sizeof(swap))) {
+ intel->swap_scheduled = 1;
+ intel->vbl_seq = swap.sequence;
+ swap.sequence -= target;
+ missed_target = swap.sequence > 0 && swap.sequence <= (1 << 23);
+ }
+ } else {
+ intel->swap_scheduled = 0;
+ }
+noschedule:
- box = *pbox;
+ if (!intel->swap_scheduled) {
+ intelWaitForFrameCompletion( intel );
+ LOCK_HARDWARE( intel );
- if (rect)
- {
- if (rect->x1 > box.x1)
- box.x1 = rect->x1;
- if (rect->y1 > box.y1)
- box.y1 = rect->y1;
- if (rect->x2 < box.x2)
- box.x2 = rect->x2;
- if (rect->y2 < box.y2)
- box.y2 = rect->y2;
-
- if (box.x1 > box.x2 || box.y1 > box.y2)
- continue;
+ if (!rect)
+ {
+ UNLOCK_HARDWARE( intel );
+ driWaitForVBlank( dPriv, &intel->vbl_seq, intel->vblank_flags, & missed_target );
+ LOCK_HARDWARE( intel );
+ }
+ {
+ const intelScreenPrivate *intelScreen = intel->intelScreen;
+ const __DRIdrawablePrivate *dPriv = intel->driDrawable;
+ const int nbox = dPriv->numClipRects;
+ const drm_clip_rect_t *pbox = dPriv->pClipRects;
+ drm_clip_rect_t box;
+ const int cpp = intelScreen->cpp;
+ const int pitch = intelScreen->front.pitch; /* in bytes */
+ int i;
+ GLuint CMD, BR13;
+ BATCH_LOCALS;
+
+ switch(cpp) {
+ case 2:
+ BR13 = (pitch) | (0xCC << 16) | (1<<24);
+ CMD = XY_SRC_COPY_BLT_CMD;
+ break;
+ case 4:
+ BR13 = (pitch) | (0xCC << 16) | (1<<24) | (1<<25);
+ CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
+ XY_SRC_COPY_BLT_WRITE_RGB);
+ break;
+ default:
+ BR13 = (pitch) | (0xCC << 16) | (1<<24);
+ CMD = XY_SRC_COPY_BLT_CMD;
+ break;
}
+
+ if (0)
+ intel_draw_performance_boxes( intel );
- BEGIN_BATCH( 8);
- OUT_BATCH( CMD );
- OUT_BATCH( BR13 );
- OUT_BATCH( (box.y1 << 16) | box.x1 );
- OUT_BATCH( (box.y2 << 16) | box.x2 );
+ for (i = 0 ; i < nbox; i++, pbox++)
+ {
+ if (pbox->x1 > pbox->x2 ||
+ pbox->y1 > pbox->y2 ||
+ pbox->x2 > intelScreen->width ||
+ pbox->y2 > intelScreen->height) {
+ _mesa_warning(&intel->ctx, "Bad cliprect in intelCopyBuffer()");
+ continue;
+ }
+
+ box = *pbox;
+
+ if (rect)
+ {
+ if (rect->x1 > box.x1)
+ box.x1 = rect->x1;
+ if (rect->y1 > box.y1)
+ box.y1 = rect->y1;
+ if (rect->x2 < box.x2)
+ box.x2 = rect->x2;
+ if (rect->y2 < box.y2)
+ box.y2 = rect->y2;
+
+ if (box.x1 > box.x2 || box.y1 > box.y2)
+ continue;
+ }
+
+ BEGIN_BATCH( 8);
+ OUT_BATCH( CMD );
+ OUT_BATCH( BR13 );
+ OUT_BATCH( (box.y1 << 16) | box.x1 );
+ OUT_BATCH( (box.y2 << 16) | box.x2 );
- if (intel->sarea->pf_current_page == 0)
- OUT_BATCH( intelScreen->front.offset );
- else
- OUT_BATCH( intelScreen->back.offset );
+ if (intel->sarea->pf_current_page == 0)
+ OUT_BATCH( intelScreen->front.offset );
+ else
+ OUT_BATCH( intelScreen->back.offset );
- OUT_BATCH( (box.y1 << 16) | box.x1 );
- OUT_BATCH( BR13 & 0xffff );
+ OUT_BATCH( (box.y1 << 16) | box.x1 );
+ OUT_BATCH( BR13 & 0xffff );
- if (intel->sarea->pf_current_page == 0)
- OUT_BATCH( intelScreen->back.offset );
- else
- OUT_BATCH( intelScreen->front.offset );
+ if (intel->sarea->pf_current_page == 0)
+ OUT_BATCH( intelScreen->back.offset );
+ else
+ OUT_BATCH( intelScreen->front.offset );
- ADVANCE_BATCH();
+ ADVANCE_BATCH();
+ }
}
+ intelFlushBatchLocked( intel, GL_TRUE, GL_TRUE, GL_TRUE );
+ UNLOCK_HARDWARE( intel );
}
- intelFlushBatchLocked( intel, GL_TRUE, GL_TRUE, GL_TRUE );
- UNLOCK_HARDWARE( intel );
if (!rect)
{
diff --git a/src/mesa/drivers/dri/i915/intel_context.h b/src/mesa/drivers/dri/i915/intel_context.h
index 0ca8ff268de..6cd6272053f 100644
--- a/src/mesa/drivers/dri/i915/intel_context.h
+++ b/src/mesa/drivers/dri/i915/intel_context.h
@@ -261,6 +261,8 @@ struct intel_context
GLuint swap_count;
GLuint swap_missed_count;
+
+ GLuint swap_scheduled;
};
@@ -321,6 +323,13 @@ do { \
char __ret=0; \
DEBUG_CHECK_LOCK(); \
assert(!(intel)->locked); \
+ if ((intel)->swap_scheduled) { \
+ drmVBlank vbl; \
+ vbl.request.type = DRM_VBLANK_ABSOLUTE; \
+ vbl.request.sequence = (intel)->vbl_seq; \
+ drmWaitVBlank((intel)->driFd, &vbl); \
+ (intel)->swap_scheduled = 0; \
+ } \
DRM_CAS((intel)->driHwLock, (intel)->hHWContext, \
(DRM_LOCK_HELD|(intel)->hHWContext), __ret); \
if (__ret) \
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 22:45:53 +0000