[Mesa-dev] [PATCH v2 6/6] radv: enable DCC for mipmapped color textures on GFX8

Samuel Pitoiset samuel.pitoiset at gmail.com
Thu Jun 20 07:17:37 UTC 2019


It's tricky on GFX9, so only GFX8 for now.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
---
 src/amd/vulkan/radv_image.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/amd/vulkan/radv_image.c b/src/amd/vulkan/radv_image.c
index 4bea09a8a2b..cf3f0eb1d55 100644
--- a/src/amd/vulkan/radv_image.c
+++ b/src/amd/vulkan/radv_image.c
@@ -170,8 +170,13 @@ radv_use_dcc_for_image(struct radv_device *device,
 	    vk_format_get_plane_count(pCreateInfo->format) > 1)
 		return false;
 
-	/* TODO: Enable DCC for mipmaps and array layers. */
-	if (pCreateInfo->mipLevels > 1 || pCreateInfo->arrayLayers > 1)
+	/* TODO: Enable DCC for mipmaps on GFX9+. */
+	if (pCreateInfo->mipLevels > 1 &&
+	    device->physical_device->rad_info.chip_class >= GFX9)
+		return false;
+
+	/* TODO: Enable DCC for array layers. */
+	if (pCreateInfo->arrayLayers > 1)
 		return false;
 
 	if (radv_surface_has_scanout(device, create_info))
-- 
2.22.0



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