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authorKeith Packard <keithp@guitar.keithp.com>2006-12-19 15:53:07 -0800
committerKeith Packard <keithp@guitar.keithp.com>2006-12-19 15:53:07 -0800
commit3c86fdda1d09fd22d4c15a8e412611db4cea7dcf (patch)
treeea5902c7b9caca6327133e7667b2d62258f81728 /src/i915_video.c
parent293ad158ece941eeb9894f5af4d663464b9954e5 (diff)
Turn on dithering for 915 textured video
Diffstat (limited to 'src/i915_video.c')
-rw-r--r--src/i915_video.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/i915_video.c b/src/i915_video.c
index fb3f4fcc..c2f01848 100644
--- a/src/i915_video.c
+++ b/src/i915_video.c
@@ -60,7 +60,7 @@ I915DisplayVideoTextured(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, int id,
DrawablePtr pDraw)
{
I830Ptr pI830 = I830PTR(pScrn);
- CARD32 format, ms3, s2;
+ CARD32 format, ms3, s2, s5;
BoxPtr pbox;
int nbox, dxo, dyo;
Bool planar;
@@ -103,7 +103,7 @@ I915DisplayVideoTextured(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, int id,
/* draw rect -- just clipping */
OUT_RING(_3DSTATE_DRAW_RECT_CMD);
- OUT_RING(0x00000000); /* flags */
+ OUT_RING(DRAW_DITHER_OFS_X(x1 & 3)| DRAW_DITHER_OFS_Y(y1 & 3)); /* flags */
OUT_RING(0x00000000); /* ymin, xmin */
OUT_RING((pScrn->virtualX - 1) |
(pScrn->virtualY - 1) << 16); /* ymax, xmax */
@@ -131,7 +131,10 @@ I915DisplayVideoTextured(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, int id,
OUT_RING(s2);
OUT_RING((1 << S4_POINT_WIDTH_SHIFT) | S4_LINE_WIDTH_ONE |
S4_CULLMODE_NONE | S4_VFMT_XY);
- OUT_RING(0x00000000); /* S5 - enable bits */
+ s5 = 0x0;
+ if (pI830->cpp == 2)
+ s5 |= S5_COLOR_DITHER_ENABLE;
+ OUT_RING(s5); /* S5 - enable bits */
OUT_RING((2 << S6_DEPTH_TEST_FUNC_SHIFT) |
(2 << S6_CBUF_SRC_BLEND_FACT_SHIFT) |
(1 << S6_CBUF_DST_BLEND_FACT_SHIFT) | S6_COLOR_WRITE_ENABLE |