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@globallogic.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
This commit is contained in:
Danylo Piliaiev 2018-06-18 15:50:57 +03:00 committed by Lionel Landwerlin
parent e11e9d6394
commit 25ec806eb2

View file

@ -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.
*/