This doesn't really "do" anything because the default tiling for the
winsys buffer is X tiled. We do however want the X tiled modifier to
work correctly from the API perspective, which would imply that if you
set this modifier, and later do a get_modifier, you get back at least X
tiled.
Cc: Kristian Høgsberg <k...@bitplanet.net>
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
Acked-by: Daniel Stone <dani...@collabora.com>
---
src/mesa/drivers/dri/i965/intel_screen.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/intel_screen.c
b/src/mesa/drivers/dri/i965/intel_screen.c
index b867c28cae..2e0c992255 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.c
+++ b/src/mesa/drivers/dri/i965/intel_screen.c
@@ -566,8 +566,13 @@ __intel_create_image(__DRIscreen *dri_screen,
if (image == NULL)
return NULL;
+ /* Prioritize the modifiers based on what we think will work best. */
for (int i = 0; i < count; i++) {
switch (modifiers[i]) {
+ case I915_FORMAT_MOD_X_TILED:
+ if (!image->modifier)
+ image->modifier = I915_FORMAT_MOD_X_TILED;
+ break;
case I915_FORMAT_MOD_Y_TILED:
image->modifier = I915_FORMAT_MOD_Y_TILED;
break;
@@ -621,6 +626,9 @@ intel_create_image_with_modifiers(__DRIscreen *dri_screen,
/* This compacts the actual modifiers to the ones we know how to handle */
for (int i = 0; i < count; i++) {
switch (modifiers[i]) {
+ case I915_FORMAT_MOD_X_TILED:
+ local_mods[local_count++] = I915_FORMAT_MOD_X_TILED;
+ break;
case I915_FORMAT_MOD_Y_TILED:
local_mods[local_count++] = I915_FORMAT_MOD_Y_TILED;
break;
--
2.11.0
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