Module: Mesa
Branch: master
Commit: a6fbefa67b5b0ed1ee42a9034ee74dfaed1c389a
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=a6fbefa67b5b0ed1ee42a9034ee74dfaed1c389a
Author: Samuel Pitoiset <samuel.pitoi...@gmail.com>
Date: Wed Apr 25 10:56:15 2018 +0200
radv: fix DCC enablement since partial MSAA implementation
dcc_msaa_allowed is always false on GFX9+ and only true on VI
if RADV_PERFTEST=dccmsaa is set. This means DCC was disabled
in some situations where it should not.
This is likely going to fix a performance regression.
Fixes: 2f63b3dd09 ("radv: enable DCC for MSAA 2x textures on VI under an
option")
Cc: 18.1 <mesa-sta...@lists.freedesktop.org>
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <b...@basnieuwenhuizen.nl>
---
src/amd/vulkan/radv_image.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/src/amd/vulkan/radv_image.c b/src/amd/vulkan/radv_image.c
index 348f4c7b34..793f861f4f 100644
--- a/src/amd/vulkan/radv_image.c
+++ b/src/amd/vulkan/radv_image.c
@@ -133,12 +133,12 @@ radv_use_dcc_for_image(struct radv_device *device,
if (create_info->scanout)
return false;
- /* FIXME: DCC for MSAA with 4x and 8x samples doesn't work yet. */
- if (pCreateInfo->samples > 2)
- return false;
-
- /* TODO: Enable DCC for MSAA textures. */
- if (!device->physical_device->dcc_msaa_allowed)
+ /* FIXME: DCC for MSAA with 4x and 8x samples doesn't work yet, while
+ * 2x can be enabled with an option.
+ */
+ if (pCreateInfo->samples > 2 ||
+ (pCreateInfo->samples == 2 &&
+ !device->physical_device->dcc_msaa_allowed))
return false;
/* Determine if the formats are DCC compatible. */
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