From: Alejandro Piñeiro <[email protected]>
Although gen7 doesn't include surface types as a valid conversion format,
we return it, as it reflects what we want to achieve, even if we need
to workaround it on gen < 8.
---
src/mesa/drivers/dri/i965/brw_draw_upload.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c
b/src/mesa/drivers/dri/i965/brw_draw_upload.c
index b7527f2..79eb634 100644
--- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
@@ -231,9 +231,13 @@ double_types(struct brw_context *brw,
* 64-bit components are stored in the URB without any conversion."
* Also included on BDW PRM, Volume 7, page 470, table "Source Element
* Formats Supported in VF Unit"
- * Previous PRMs don't include those references.
+ *
+ * Previous PRMs don't include those references, so for gen7 we can't use
+ * PASSTHRU formats directly. But in any case, we prefer to return passthru
+ * even in that case, because that reflects what we want to achieve, even
+ * if we would need to workaround on gen < 8.
*/
- return (brw->gen >= 8 && doubles
+ return (doubles
? double_types_passthru[size]
: double_types_float[size]);
}
--
2.9.3
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