diff options
| author | Michel Dänzer <michel@tungstengraphics.com> | 2006-09-15 16:37:47 +0200 |
|---|---|---|
| committer | Michel Dänzer <michel@tungstengraphics.com> | 2006-09-15 16:55:40 +0200 |
| commit | 6ba9127753eff7615ba553fbc567aec98ecf8104 (patch) | |
| tree | 4f6bd9a8e2cc6ea7155fc1b7742aceb2081dc337 /shared-core/radeon_state.c | |
| parent | 3cc64a943a7240c73c92ab103ba0502b9ec07fee (diff) | |
Use register writes instead of BITBLT_MULTI packets for buffer swap blits.
This takes up two more ring buffer entries per rectangle blitted but makes sure
the blit is performed top to bottom, reducing the likelyhood of tearing.
Diffstat (limited to 'shared-core/radeon_state.c')
| -rw-r--r-- | shared-core/radeon_state.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/shared-core/radeon_state.c b/shared-core/radeon_state.c index 0a196c06..5b1ca539 100644 --- a/shared-core/radeon_state.c +++ b/shared-core/radeon_state.c @@ -1262,9 +1262,9 @@ static void radeon_cp_dispatch_swap(drm_device_t * dev) DRM_DEBUG("dispatch swap %d,%d-%d,%d\n", x, y, w, h); - BEGIN_RING(7); + BEGIN_RING(9); - OUT_RING(CP_PACKET3(RADEON_CNTL_BITBLT_MULTI, 5)); + OUT_RING(CP_PACKET0(RADEON_DP_GUI_MASTER_CNTL, 0)); OUT_RING(RADEON_GMC_SRC_PITCH_OFFSET_CNTL | RADEON_GMC_DST_PITCH_OFFSET_CNTL | RADEON_GMC_BRUSH_NONE | @@ -1276,6 +1276,7 @@ static void radeon_cp_dispatch_swap(drm_device_t * dev) /* Make this work even if front & back are flipped: */ + OUT_RING(CP_PACKET0(RADEON_SRC_PITCH_OFFSET, 1)); if (dev_priv->current_page == 0) { OUT_RING(dev_priv->back_pitch_offset); OUT_RING(dev_priv->front_pitch_offset); @@ -1284,6 +1285,7 @@ static void radeon_cp_dispatch_swap(drm_device_t * dev) OUT_RING(dev_priv->back_pitch_offset); } + OUT_RING(CP_PACKET0(RADEON_SRC_X_Y, 2)); OUT_RING((x << 16) | y); OUT_RING((x << 16) | y); OUT_RING((w << 16) | h); |