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-rw-r--r--src/mesa/drivers/dri/i915/intel_context.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_context.c b/src/mesa/drivers/dri/i915/intel_context.c
index 45d8fb3261..480b442211 100644
--- a/src/mesa/drivers/dri/i915/intel_context.c
+++ b/src/mesa/drivers/dri/i915/intel_context.c
@@ -572,6 +572,36 @@ void intelWindowMoved( intelContextPtr intel )
{
GLcontext *ctx = &intel->ctx;
+ if (intel->intelScreen->driScrnPriv->ddxMinor >= 7) {
+ drmI830Sarea *sarea = intel->sarea;
+ drm_clip_rect_t drw_rect = { .x1 = dPriv->x, .x2 = dPriv->x + dPriv->w,
+ .y1 = dPriv->y, .y2 = dPriv->y + dPriv->h };
+ drm_clip_rect_t pipeA_rect = { .x1 = sarea->pipeA_x,
+ .x2 = sarea->pipeA_x + sarea->pipeA_w,
+ .y1 = sarea->pipeA_y,
+ .y2 = sarea->pipeA_y + sarea->pipeA_h };
+ drm_clip_rect_t pipeB_rect = { .x1 = sarea->pipeB_x,
+ .x2 = sarea->pipeB_x + sarea->pipeB_w,
+ .y1 = sarea->pipeB_y,
+ .y2 = sarea->pipeB_y + sarea->pipeB_h };
+ GLint areaA = driIntersectArea( drw_rect, pipeA_rect );
+ GLint areaB = driIntersectArea( drw_rect, pipeB_rect );
+ GLuint flags = intel->vblank_flags;
+
+ if (areaB > areaA || (areaA > 0 && areaB > 0)) {
+ flags = intel->vblank_flags | VBLANK_FLAG_SECONDARY;
+ } else {
+ flags = intel->vblank_flags & ~VBLANK_FLAG_SECONDARY;
+ }
+
+ if (flags != intel->vblank_flags) {
+ intel->vblank_flags = flags;
+ driGetCurrentVBlank(dPriv, intel->vblank_flags, &intel->vbl_seq);
+ }
+ } else {
+ intel->vblank_flags &= ~VBLANK_FLAG_SECONDARY;
+ }
+
ctx->Driver.Scissor( ctx, ctx->Scissor.X, ctx->Scissor.Y,
ctx->Scissor.Width, ctx->Scissor.Height );