<div dir="ltr"><div>Nanley,<br></div>Mind taking a look at these?<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Mar 14, 2017 at 7:55 AM, Jason Ekstrand <span dir="ltr"><<a href="mailto:jason@jlekstrand.net" target="_blank">jason@jlekstrand.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Instead of figuring it all out ourselves, just use the information given<br>
to us by the client.<br>
---<br>
 src/intel/vulkan/anv_blorp.c       | 88 ++++--------------------------<wbr>--------<br>
 src/intel/vulkan/genX_cmd_<wbr>buffer.c | 10 +++++<br>
 2 files changed, 18 insertions(+), 80 deletions(-)<br>
<br>
diff --git a/src/intel/vulkan/anv_blorp.c b/src/intel/vulkan/anv_blorp.c<br>
index 8de339c..41966d6 100644<br>
--- a/src/intel/vulkan/anv_blorp.c<br>
+++ b/src/intel/vulkan/anv_blorp.c<br>
@@ -1070,80 +1070,6 @@ enum subpass_stage {<br>
 };<br>
<br>
 static bool<br>
-attachment_needs_flush(struct anv_cmd_buffer *cmd_buffer,<br>
-                       struct anv_render_pass_attachment *att,<br>
-                       enum subpass_stage stage)<br>
-{<br>
-   struct anv_render_pass *pass = cmd_buffer->state.pass;<br>
-   const uint32_t subpass_idx = anv_get_subpass_id(&cmd_<wbr>buffer->state);<br>
-<br>
-   /* We handle this subpass specially based on the current stage */<br>
-   enum anv_subpass_usage usage = att->subpass_usage[subpass_<wbr>idx];<br>
-   switch (stage) {<br>
-   case SUBPASS_STAGE_LOAD:<br>
-      if (usage & (ANV_SUBPASS_USAGE_INPUT | ANV_SUBPASS_USAGE_RESOLVE_SRC)<wbr>)<br>
-         return true;<br>
-      break;<br>
-<br>
-   case SUBPASS_STAGE_DRAW:<br>
-      if (usage & ANV_SUBPASS_USAGE_RESOLVE_SRC)<br>
-         return true;<br>
-      break;<br>
-<br>
-   default:<br>
-      break;<br>
-   }<br>
-<br>
-   for (uint32_t s = subpass_idx + 1; s < pass->subpass_count; s++) {<br>
-      usage = att->subpass_usage[s];<br>
-<br>
-      /* If this attachment is going to be used as an input in this or any<br>
-       * future subpass, then we need to flush its cache and invalidate the<br>
-       * texture cache.<br>
-       */<br>
-      if (att->subpass_usage[s] & ANV_SUBPASS_USAGE_INPUT)<br>
-         return true;<br>
-<br>
-      if (usage & (ANV_SUBPASS_USAGE_DRAW | ANV_SUBPASS_USAGE_RESOLVE_DST)<wbr>) {<br>
-         /* We found another subpass that draws to this attachment.  We'll<br>
-          * wait to resolve until then.<br>
-          */<br>
-         return false;<br>
-      }<br>
-   }<br>
-<br>
-   return false;<br>
-}<br>
-<br>
-static void<br>
-anv_cmd_buffer_flush_<wbr>attachments(struct anv_cmd_buffer *cmd_buffer,<br>
-                                 enum subpass_stage stage)<br>
-{<br>
-   struct anv_subpass *subpass = cmd_buffer->state.subpass;<br>
-   struct anv_render_pass *pass = cmd_buffer->state.pass;<br>
-<br>
-   for (uint32_t i = 0; i < subpass->color_count; ++i) {<br>
-      uint32_t att = subpass->color_attachments[i].<wbr>attachment;<br>
-      assert(att < pass->attachment_count);<br>
-      if (attachment_needs_flush(cmd_<wbr>buffer, &pass->attachments[att], stage)) {<br>
-         cmd_buffer->state.pending_<wbr>pipe_bits |=<br>
-            ANV_PIPE_TEXTURE_CACHE_<wbr>INVALIDATE_BIT |<br>
-            ANV_PIPE_RENDER_TARGET_CACHE_<wbr>FLUSH_BIT;<br>
-      }<br>
-   }<br>
-<br>
-   if (subpass->depth_stencil_<wbr>attachment.attachment != VK_ATTACHMENT_UNUSED) {<br>
-      uint32_t att = subpass->depth_stencil_<wbr>attachment.attachment;<br>
-      assert(att < pass->attachment_count);<br>
-      if (attachment_needs_flush(cmd_<wbr>buffer, &pass->attachments[att], stage)) {<br>
-         cmd_buffer->state.pending_<wbr>pipe_bits |=<br>
-            ANV_PIPE_TEXTURE_CACHE_<wbr>INVALIDATE_BIT |<br>
-            ANV_PIPE_DEPTH_CACHE_FLUSH_<wbr>BIT;<br>
-      }<br>
-   }<br>
-}<br>
-<br>
-static bool<br>
 subpass_needs_clear(const struct anv_cmd_buffer *cmd_buffer)<br>
 {<br>
    const struct anv_cmd_state *cmd_state = &cmd_buffer->state;<br>
@@ -1327,8 +1253,6 @@ anv_cmd_buffer_clear_subpass(<wbr>struct anv_cmd_buffer *cmd_buffer)<br>
    }<br>
<br>
    blorp_batch_finish(&batch);<br>
-<br>
-   anv_cmd_buffer_flush_<wbr>attachments(cmd_buffer, SUBPASS_STAGE_LOAD);<br>
 }<br>
<br>
 static void<br>
@@ -1554,9 +1478,15 @@ anv_cmd_buffer_resolve_<wbr>subpass(struct anv_cmd_buffer *cmd_buffer)<br>
                              subpass->color_attachments[i].<wbr>attachment);<br>
    }<br>
<br>
-   anv_cmd_buffer_flush_<wbr>attachments(cmd_buffer, SUBPASS_STAGE_DRAW);<br>
-<br>
    if (subpass->has_resolve) {<br>
+      /* We are about to do some MSAA resolves.  We need to flush so that the<br>
+       * result of writes to the MSAA color attachments show up in the sampler<br>
+       * when we blit to the single-sampled resolve target.<br>
+       */<br>
+      cmd_buffer->state.pending_<wbr>pipe_bits |=<br>
+         ANV_PIPE_TEXTURE_CACHE_<wbr>INVALIDATE_BIT |<br>
+         ANV_PIPE_RENDER_TARGET_CACHE_<wbr>FLUSH_BIT;<br>
+<br>
       for (uint32_t i = 0; i < subpass->color_count; ++i) {<br>
          uint32_t src_att = subpass->color_attachments[i].<wbr>attachment;<br>
          uint32_t dst_att = subpass->resolve_attachments[<wbr>i].attachment;<br>
@@ -1594,8 +1524,6 @@ anv_cmd_buffer_resolve_<wbr>subpass(struct anv_cmd_buffer *cmd_buffer)<br>
<br>
          ccs_resolve_attachment(cmd_<wbr>buffer, &batch, dst_att);<br>
       }<br>
-<br>
-      anv_cmd_buffer_flush_<wbr>attachments(cmd_buffer, SUBPASS_STAGE_RESOLVE);<br>
    }<br>
<br>
    blorp_batch_finish(&batch);<br>
diff --git a/src/intel/vulkan/genX_cmd_<wbr>buffer.c b/src/intel/vulkan/genX_cmd_<wbr>buffer.c<br>
index acb59d5..02dff44 100644<br>
--- a/src/intel/vulkan/genX_cmd_<wbr>buffer.c<br>
+++ b/src/intel/vulkan/genX_cmd_<wbr>buffer.c<br>
@@ -2456,6 +2456,9 @@ void genX(CmdBeginRenderPass)(<br>
    genX(flush_pipeline_select_3d)<wbr>(cmd_buffer);<br>
<br>
    genX(cmd_buffer_set_subpass)(<wbr>cmd_buffer, pass->subpasses);<br>
+<br>
+   cmd_buffer->state.pending_<wbr>pipe_bits |=<br>
+      cmd_buffer->state.pass-><wbr>subpass_flushes[0];<br>
 }<br>
<br>
 void genX(CmdNextSubpass)(<br>
@@ -2473,6 +2476,10 @@ void genX(CmdNextSubpass)(<br>
    cmd_buffer_subpass_transition_<wbr>layouts(cmd_buffer, true);<br>
<br>
    genX(cmd_buffer_set_subpass)(<wbr>cmd_buffer, cmd_buffer->state.subpass + 1);<br>
+<br>
+   uint32_t subpass_id = anv_get_subpass_id(&cmd_<wbr>buffer->state);<br>
+   cmd_buffer->state.pending_<wbr>pipe_bits |=<br>
+      cmd_buffer->state.pass-><wbr>subpass_flushes[subpass_id];<br>
 }<br>
<br>
 void genX(CmdEndRenderPass)(<br>
@@ -2486,6 +2493,9 @@ void genX(CmdEndRenderPass)(<br>
     */<br>
    cmd_buffer_subpass_transition_<wbr>layouts(cmd_buffer, true);<br>
<br>
+   cmd_buffer->state.pending_<wbr>pipe_bits |=<br>
+      cmd_buffer->state.pass-><wbr>subpass_flushes[cmd_buffer-><wbr>state.pass->subpass_count];<br>
+<br>
    cmd_buffer->state.hiz_enabled = false;<br>
<br>
 #ifndef NDEBUG<br>
<span class="HOEnZb"><font color="#888888">--<br>
2.5.0.400.gff86faf<br>
<br>
</font></span></blockquote></div><br></div>