[Mesa-dev] [PATCH 4/5] i965: Make a helper function intel_miptree_can_use_tr_mode()
Anuj Phogat
anuj.phogat at gmail.com
Wed Jun 10 15:30:49 PDT 2015
Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
Cc: Ben Widawsky <ben at bwidawsk.net>
---
src/mesa/drivers/dri/i965/brw_tex_layout.c | 30 +++++++++++++++++++-----------
1 file changed, 19 insertions(+), 11 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_tex_layout.c b/src/mesa/drivers/dri/i965/brw_tex_layout.c
index c185e41..39c6a39 100644
--- a/src/mesa/drivers/dri/i965/brw_tex_layout.c
+++ b/src/mesa/drivers/dri/i965/brw_tex_layout.c
@@ -812,6 +812,23 @@ intel_miptree_release_levels(struct intel_mipmap_tree *mt)
}
}
+static bool
+intel_miptree_can_use_tr_mode(const struct intel_mipmap_tree *mt)
+{
+ if (mt->tiling == I915_TILING_Y ||
+ mt->tiling == (I915_TILING_Y | I915_TILING_X) ||
+ mt->tr_mode == INTEL_MIPTREE_TRMODE_NONE) {
+ /* FIXME: Don't allow YS tiling at the moment. Using 64KB tiling
+ * for small textures might result in to memory wastage. Revisit
+ * this condition when we have more information about the specific
+ * cases where using YS over YF will be useful.
+ */
+ if (mt->tr_mode != INTEL_MIPTREE_TRMODE_YS)
+ return true;
+ }
+ return false;
+}
+
void
brw_miptree_layout(struct brw_context *brw,
bool for_bo,
@@ -879,17 +896,8 @@ brw_miptree_layout(struct brw_context *brw,
if (is_tr_mode_yf_ys_allowed) {
assert(brw->gen >= 9);
- if (mt->tiling == I915_TILING_Y ||
- mt->tiling == (I915_TILING_Y | I915_TILING_X) ||
- mt->tr_mode == INTEL_MIPTREE_TRMODE_NONE) {
- /* FIXME: Don't allow YS tiling at the moment. Using 64KB tiling
- * for small textures might result in to memory wastage. Revisit
- * this condition when we have more information about the specific
- * cases where using YS over YF will be useful.
- */
- if (mt->tr_mode != INTEL_MIPTREE_TRMODE_YS)
- return;
- }
+ if (intel_miptree_can_use_tr_mode(mt))
+ return;
/* Failed to use selected tr_mode. Free up the memory allocated
* for miptree levels in intel_miptree_total_width_height().
*/
--
1.9.3
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