From d173ed2e9c7c0d40448903976ce1e560ce2a62ab Mon Sep 17 00:00:00 2001
From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Tue, 19 Jan 2021 14:00:15 +0100
Subject: [PATCH] radv: do not enable TC-compat CMASK if the image isn't
 readable by a shader

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9415>
---
 src/amd/vulkan/radv_image.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/amd/vulkan/radv_image.c b/src/amd/vulkan/radv_image.c
index 1b61bd4277a..466bb338df9 100644
--- a/src/amd/vulkan/radv_image.c
+++ b/src/amd/vulkan/radv_image.c
@@ -273,6 +273,14 @@ radv_use_tc_compat_cmask_for_image(struct radv_device *device,
 	if (image->usage & VK_IMAGE_USAGE_STORAGE_BIT)
 		return false;
 
+	/* Do not enable TC-compatible if the image isn't readable by a shader
+	 * because no texture fetches will happen.
+	 */
+	if (!(image->usage & (VK_IMAGE_USAGE_SAMPLED_BIT |
+			      VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT |
+			      VK_IMAGE_USAGE_TRANSFER_SRC_BIT)))
+		return false;
+
 	if (radv_image_has_dcc(image))
 		return false;