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i956: Make state dependency of SF on drawbuffer bounds match Mesa's.

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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.
This commit is contained in:
Eric Anholt 2009-05-20 15:59:07 -07:00
parent e78a6aa2b9
commit 3a521d84ec
1 changed files with 5 additions and 2 deletions
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7
src/mesa/drivers/dri/i965/brw_sf_state.c
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@ -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
},