From 6ba9127753eff7615ba553fbc567aec98ecf8104 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Michel=20D=C3=A4nzer?= Date: Fri, 15 Sep 2006 16:37:47 +0200 Subject: 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. --- shared-core/radeon_state.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'shared-core/radeon_state.c') 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); -- cgit v1.2.3