From 487379c593bcaf3787ede187c5d44f7923b54dc9 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Mon, 17 Feb 2020 18:10:23 -0400
Subject: OpenGL: Implement Fencing backend.

---
 src/video_core/texture_cache/texture_cache.h | 32 +++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

(limited to 'src/video_core/texture_cache/texture_cache.h')

diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h
index d8c8390bb..6629c59ed 100644
--- a/src/video_core/texture_cache/texture_cache.h
+++ b/src/video_core/texture_cache/texture_cache.h
@@ -238,7 +238,7 @@ public:
             surface->MarkAsRenderTarget(false, NO_RT);
             const auto& cr_params = surface->GetSurfaceParams();
             if (!cr_params.is_tiled) {
-                FlushSurface(surface);
+                AsyncFlushSurface(surface);
             }
         }
         render_targets[index].target = surface_view.first;
@@ -317,6 +317,26 @@ public:
         return ++ticks;
     }
 
+    void CommitAsyncFlushes() {
+        commited_flushes.push_back(uncommited_flushes);
+        uncommited_flushes.reset();
+    }
+
+    void PopAsyncFlushes() {
+        if (commited_flushes.empty()) {
+            return;
+        }
+        auto& flush_list = commited_flushes.front();
+        if (!flush_list) {
+            commited_flushes.pop_front();
+            return;
+        }
+        for (TSurface& surface : *flush_list) {
+            FlushSurface(surface);
+        }
+        commited_flushes.pop_front();
+    }
+
 protected:
     explicit TextureCache(Core::System& system, VideoCore::RasterizerInterface& rasterizer,
                           bool is_astc_supported)
@@ -1152,6 +1172,13 @@ private:
         TView view;
     };
 
+    void AsyncFlushSurface(TSurface& surface) {
+        if (!uncommited_flushes) {
+            uncommited_flushes = std::make_shared<std::list<TSurface>>();
+        }
+        uncommited_flushes->push_back(surface);
+    }
+
     VideoCore::RasterizerInterface& rasterizer;
 
     FormatLookupTable format_lookup_table;
@@ -1198,6 +1225,9 @@ private:
 
     std::list<TSurface> marked_for_unregister;
 
+    std::shared_ptr<std::list<TSurface>> uncommited_flushes{};
+    std::list<std::shared_ptr<std::list<TSurface>>> commited_flushes;
+
     StagingCache staging_cache;
     std::recursive_mutex mutex;
 };
-- 
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