From: Marek Olšák <marek.olsak@amd.com>
Date: Thu, 17 Oct 2019 20:46:06 +0000 (-0400)
Subject: st/dri: assume external consumers of back buffers can write to the buffers
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1d1b4578211dcc69cfab8879d0cdafaba1eec948;p=mesa.git

st/dri: assume external consumers of back buffers can write to the buffers

Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
Reviewed-By: Tapani Pälli <tapani.palli@intel.com>
---

diff --git a/src/gallium/state_trackers/dri/dri2.c b/src/gallium/state_trackers/dri/dri2.c
index 960065ffa23..d4f96947c1d 100644
--- a/src/gallium/state_trackers/dri/dri2.c
+++ b/src/gallium/state_trackers/dri/dri2.c
@@ -1108,10 +1108,10 @@ dri2_query_image_by_resource_handle(__DRIimage *image, int attrib, int *value)
       return false;
    }
 
+   usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
+
    if (image->use & __DRI_IMAGE_USE_BACKBUFFER)
-      usage = PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
-   else
-      usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
+      usage |= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
 
    if (!pscreen->resource_get_handle(pscreen, NULL, image->texture,
                                      &whandle, usage))
@@ -1194,10 +1194,10 @@ dri2_query_image_by_resource_param(__DRIimage *image, int attrib, int *value)
       return false;
    }
 
+   handle_usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
+
    if (image->use & __DRI_IMAGE_USE_BACKBUFFER)
-      handle_usage = PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
-   else
-      handle_usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
+      handle_usage |= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
 
    if (!dri2_resource_get_param(image, param, handle_usage, &res_param))
       return false;