From 7dc449ac55830864ecd1c92a5170ff1687336a5d Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Sun, 14 Apr 2019 13:28:03 +0200
Subject: [PATCH] [hud] Add new HUD entry to show shader compiler activity

---
 src/dxvk/hud/dxvk_hud_config.cpp |  1 +
 src/dxvk/hud/dxvk_hud_config.h   |  1 +
 src/dxvk/hud/dxvk_hud_stats.cpp  | 24 +++++++++++++++++++++++-
 src/dxvk/hud/dxvk_hud_stats.h    |  5 +++++
 4 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/src/dxvk/hud/dxvk_hud_config.cpp b/src/dxvk/hud/dxvk_hud_config.cpp
index 7da4b0704..f9ed06a03 100644
--- a/src/dxvk/hud/dxvk_hud_config.cpp
+++ b/src/dxvk/hud/dxvk_hud_config.cpp
@@ -14,6 +14,7 @@ namespace dxvk::hud {
     { "memory",       HudElement::StatMemory        },
     { "version",      HudElement::DxvkVersion       },
     { "api",          HudElement::DxvkClientApi     },
+    { "compiler",     HudElement::CompilerActivity  },
   }};
   
   
diff --git a/src/dxvk/hud/dxvk_hud_config.h b/src/dxvk/hud/dxvk_hud_config.h
index 4468422f8..bd763a31b 100644
--- a/src/dxvk/hud/dxvk_hud_config.h
+++ b/src/dxvk/hud/dxvk_hud_config.h
@@ -20,6 +20,7 @@ namespace dxvk::hud {
     StatMemory        = 6,
     DxvkVersion       = 7,
     DxvkClientApi     = 8,
+    CompilerActivity  = 9,
   };
   
   using HudElements = Flags<HudElement>;
diff --git a/src/dxvk/hud/dxvk_hud_stats.cpp b/src/dxvk/hud/dxvk_hud_stats.cpp
index cff470ff4..ad94d7965 100644
--- a/src/dxvk/hud/dxvk_hud_stats.cpp
+++ b/src/dxvk/hud/dxvk_hud_stats.cpp
@@ -39,6 +39,11 @@ namespace dxvk::hud {
     if (m_elements.test(HudElement::StatMemory))
       position = this->printMemoryStats(context, renderer, position);
     
+    if (m_elements.test(HudElement::CompilerActivity)) {
+      this->printCompilerActivity(context, renderer,
+        { position.x, float(renderer.surfaceSize().height) - 20.0f });
+    }
+    
     return position;
   }
   
@@ -142,6 +147,22 @@ namespace dxvk::hud {
     
     return { position.x, position.y + 44.0f };
   }
+
+
+  HudPos HudStats::printCompilerActivity(
+    const Rc<DxvkContext>&  context,
+          HudRenderer&      renderer,
+          HudPos            position) {
+    
+    if (m_prevCounters.getCtr(DxvkStatCounter::PipeCompilerBusy)) {
+      renderer.drawText(context, 16.0f,
+        { position.x, position.y },
+        { 1.0f, 1.0f, 1.0f, 1.0f },
+        "Compiling shaders...");
+    }
+    
+    return { position.x, position.y + 24.0f };
+  }
   
   
   HudElements HudStats::filterElements(HudElements elements) {
@@ -149,7 +170,8 @@ namespace dxvk::hud {
       HudElement::StatDrawCalls,
       HudElement::StatSubmissions,
       HudElement::StatPipelines,
-      HudElement::StatMemory);
+      HudElement::StatMemory,
+      HudElement::CompilerActivity);
   }
   
 }
diff --git a/src/dxvk/hud/dxvk_hud_stats.h b/src/dxvk/hud/dxvk_hud_stats.h
index 493a45c2d..86f8091e7 100644
--- a/src/dxvk/hud/dxvk_hud_stats.h
+++ b/src/dxvk/hud/dxvk_hud_stats.h
@@ -56,6 +56,11 @@ namespace dxvk::hud {
             HudRenderer&      renderer,
             HudPos            position);
     
+    HudPos printCompilerActivity(
+      const Rc<DxvkContext>&  context,
+            HudRenderer&      renderer,
+            HudPos            position);
+    
     static HudElements filterElements(HudElements elements);
     
   };