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radeonsi: fix incorrect hw screen offset and guardband computation

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It resulted in assertion failures or incorrect rendering.

Broken by: 9e182b8313
This commit is contained in:
Marek Olšák 2018-10-18 14:42:42 -04:00
parent baa38c144f
commit 6cc79e4411
1 changed files with 2 additions and 2 deletions
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4
src/gallium/drivers/radeonsi/si_state_viewport.c
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@ -176,8 +176,8 @@ static void si_emit_guardband(struct si_context *ctx)
/* Determine the optimal hardware screen offset to center the viewport
* within the viewport range in order to maximize the guardband size.
*/
int hw_screen_offset_x = (vp_as_scissor.maxx - vp_as_scissor.minx) / 2;
int hw_screen_offset_y = (vp_as_scissor.maxy - vp_as_scissor.miny) / 2;
int hw_screen_offset_x = (vp_as_scissor.maxx + vp_as_scissor.minx) / 2;
int hw_screen_offset_y = (vp_as_scissor.maxy + vp_as_scissor.miny) / 2;
const unsigned hw_screen_offset_max = 8176;
/* SI-CI need to align the offset to an ubertile consisting of all SEs. */