Mesa (main): venus: remember render pass PRESENT_SRC barriers

[GitLab Mirror]

Module: Mesa
Branch: main
Commit: cef50d08e9d74eb7d7ddcff082fc7178dc12d380
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=cef50d08e9d74eb7d7ddcff082fc7178dc12d380

Author: Chia-I Wu <olvaffe at gmail.com>
Date:   Fri May  7 11:23:38 2021 -0700

venus: remember render pass PRESENT_SRC barriers

We need them for wsi queue ownership transfer.

Signed-off-by: Chia-I Wu <olvaffe at gmail.com>
Reviewed-by: Yiwei Zhang <zzyiwei at chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10709>

---

 src/virtio/vulkan/vn_render_pass.c | 27 +++++++++++++++++++++++++++
 src/virtio/vulkan/vn_render_pass.h |  6 ++++++
 2 files changed, 33 insertions(+)

diff --git a/src/virtio/vulkan/vn_render_pass.c b/src/virtio/vulkan/vn_render_pass.c
index 7f3310fe2e6..afba80d4b9c 100644
--- a/src/virtio/vulkan/vn_render_pass.c
+++ b/src/virtio/vulkan/vn_render_pass.c
@@ -88,6 +88,31 @@ vn_render_pass_replace_present_src2(struct vn_render_pass *pass,
                        create_info->attachmentCount, out_atts);
 }
 
+static void
+vn_render_pass_setup_present_src_barriers(struct vn_render_pass *pass)
+{
+   /* TODO parse VkSubpassDependency for more accurate barriers */
+   for (uint32_t i = 0; i < pass->present_src_count; i++) {
+      struct vn_present_src_attachment *att =
+         &pass->present_src_attachments[i];
+
+      if (att->acquire) {
+         att->src_stage_mask = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
+         att->src_access_mask = 0;
+
+         att->dst_stage_mask = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
+         att->dst_access_mask =
+            VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT;
+      } else {
+         att->src_stage_mask = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
+         att->src_access_mask = VK_ACCESS_MEMORY_WRITE_BIT;
+
+         att->dst_stage_mask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
+         att->dst_access_mask = 0;
+      }
+   }
+}
+
 static struct vn_render_pass *
 vn_render_pass_create(struct vn_device *dev,
                       uint32_t acquire_count,
@@ -144,6 +169,7 @@ vn_CreateRenderPass(VkDevice device,
       }
 
       vn_render_pass_replace_present_src(pass, pCreateInfo, temp_atts);
+      vn_render_pass_setup_present_src_barriers(pass);
 
       local_pass_info = *pCreateInfo;
       local_pass_info.pAttachments = temp_atts;
@@ -193,6 +219,7 @@ vn_CreateRenderPass2(VkDevice device,
       }
 
       vn_render_pass_replace_present_src2(pass, pCreateInfo, temp_atts);
+      vn_render_pass_setup_present_src_barriers(pass);
 
       local_pass_info = *pCreateInfo;
       local_pass_info.pAttachments = temp_atts;
diff --git a/src/virtio/vulkan/vn_render_pass.h b/src/virtio/vulkan/vn_render_pass.h
index fe245124a52..9590ad43095 100644
--- a/src/virtio/vulkan/vn_render_pass.h
+++ b/src/virtio/vulkan/vn_render_pass.h
@@ -16,6 +16,12 @@
 struct vn_present_src_attachment {
    bool acquire;
    uint32_t index;
+
+   VkPipelineStageFlags src_stage_mask;
+   VkAccessFlags src_access_mask;
+
+   VkPipelineStageFlags dst_stage_mask;
+   VkAccessFlags dst_access_mask;
 };
 
 struct vn_render_pass {