Mesa (master): i965: Advertise 8 bits subpixel precision for viewport bounds on gen6+
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Mon Aug 20 14:13:18 UTC 2018
Module: Mesa
Branch: master
Commit: 25ec806eb249603ad0364365ab620628cf25f031
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=25ec806eb249603ad0364365ab620628cf25f031
Author: Danylo Piliaiev <danylo.piliaiev at gmail.com>
Date: Mon Jun 18 15:50:57 2018 +0300
i965: Advertise 8 bits subpixel precision for viewport bounds on gen6+
We use floating-points for viewport bounds so VIEWPORT_SUBPIXEL_BITS
should reflect this.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105975
Signed-off-by: Danylo Piliaiev <danylo.piliaiev at globallogic.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
---
src/mesa/drivers/dri/i965/brw_context.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index 0d0b95e78a..0c551d774c 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -695,7 +695,7 @@ brw_initialize_context_constants(struct brw_context *brw)
/* ARB_viewport_array, OES_viewport_array */
if (devinfo->gen >= 6) {
ctx->Const.MaxViewports = GEN6_NUM_VIEWPORTS;
- ctx->Const.ViewportSubpixelBits = 0;
+ ctx->Const.ViewportSubpixelBits = 8;
/* Cast to float before negating because MaxViewportWidth is unsigned.
*/
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