zink: explicitly flag fb attachments as being written to in render passes

we need to ensure that we're accurately setting this hint in order to avoid
synchronization issues when determining whether we can read from the buffer

Reviewed-by: Erik Faye-Lun <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6924>

diff --git a/src/gallium/drivers/zink/zink_context.c b/src/gallium/drivers/zink/zink_context.c
index 6043ff4..0ea5a50 100644 (file)
--- a/src/gallium/drivers/zink/zink_context.c
+++ b/src/gallium/drivers/zink/zink_context.c
@@ -552,6 +552,8 @@ zink_begin_render_pass(struct zink_context *ctx, struct zink_batch *batch)
 
    zink_render_pass_reference(screen, &batch->rp, ctx->gfx_pipeline_state.render_pass);
    zink_framebuffer_reference(screen, &batch->fb, ctx->framebuffer);
+   for (struct zink_surface **surf = (struct zink_surface **)batch->fb->surfaces; *surf; surf++)
+      zink_batch_reference_resource_rw(batch, zink_resource((*surf)->base.texture), true);
 
    vkCmdBeginRenderPass(batch->cmdbuf, &rpbi, VK_SUBPASS_CONTENTS_INLINE);
 }