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authorEric Anholt <eric@anholt.net>2009-05-20 15:59:07 -0700
committerEric Anholt <eric@anholt.net>2009-05-21 10:41:39 -0700
commit3a521d84ecc646fcc65fa3fe7c5f1fdbdebe8bc2 (patch)
tree298c4aa8771f91af5bdebb5f4f40943acea60e07 /src/mesa/drivers
parente78a6aa2b94683faa8d43a39aa68d806b14f8833 (diff)
i956: Make state dependency of SF on drawbuffer bounds match Mesa's.
Noticed while debugging a weird 1D FBO testcase that left its existing viewport and projection matrix in place when switching drawbuffers. Didn't fix the testcase, though.
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r--src/mesa/drivers/dri/i965/brw_sf_state.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_sf_state.c b/src/mesa/drivers/dri/i965/brw_sf_state.c
index 68fa9820b6..c99918724b 100644
--- a/src/mesa/drivers/dri/i965/brw_sf_state.c
+++ b/src/mesa/drivers/dri/i965/brw_sf_state.c
@@ -66,7 +66,9 @@ static void upload_sf_vp(struct brw_context *brw)
sfv.viewport.m31 = v[MAT_TY] * y_scale + y_bias;
sfv.viewport.m32 = v[MAT_TZ] * depth_scale;
- /* _NEW_SCISSOR */
+ /* _NEW_SCISSOR | _NEW_BUFFERS | _NEW_VIEWPORT
+ * for DrawBuffer->_[XY]{min,max}
+ */
/* The scissor only needs to handle the intersection of drawable and
* scissor rect. Clipping to the boundaries of static shared buffers
@@ -97,7 +99,8 @@ static void upload_sf_vp(struct brw_context *brw)
const struct brw_tracked_state brw_sf_vp = {
.dirty = {
.mesa = (_NEW_VIEWPORT |
- _NEW_SCISSOR),
+ _NEW_SCISSOR |
+ _NEW_BUFFERS),
.brw = 0,
.cache = 0
},