From 528501149e21e380898dd77a4c527087f0d8651e Mon Sep 17 00:00:00 2001
From: FireNX70 <firenx70@gmail.com>
Date: Sun, 9 Jun 2024 20:07:26 +0200
Subject: [PATCH] Scale TileSize with internal resolution

---
 src/GPU3D_Compute.cpp       | 7 +++++++
 src/GPU3D_Compute.h         | 6 +++---
 src/GPU3D_Compute_shaders.h | 1 -
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/GPU3D_Compute.cpp b/src/GPU3D_Compute.cpp
index 027d6806..6d6115fe 100644
--- a/src/GPU3D_Compute.cpp
+++ b/src/GPU3D_Compute.cpp
@@ -19,6 +19,7 @@
 #include "GPU3D_Compute.h"
 
 #include <assert.h>
+#include <algorithm>
 
 #include "OpenGLSupport.h"
 
@@ -50,6 +51,8 @@ bool ComputeRenderer::CompileShader(GLuint& shader, const std::string& source, c
     shaderSource += std::to_string(ScreenHeight);
     shaderSource += "\n#define MaxWorkTiles ";
     shaderSource += std::to_string(MaxWorkTiles);
+    shaderSource += "\n#define TileSize ";
+    shaderSource += std::to_string(TileSize);
 
     shaderSource += ComputeRendererShaders::Common;
     shaderSource += source;
@@ -310,6 +313,10 @@ void ComputeRenderer::SetRenderSettings(int scale, bool highResolutionCoordinate
     ScreenWidth = 256 * ScaleFactor;
     ScreenHeight = 192 * ScaleFactor;
 
+    TileSize = std::min(8 * (1 << (ScaleFactor / 5)), 32);
+    CoarseTileW = CoarseTileCountX * TileSize;
+    CoarseTileH = CoarseTileCountY * TileSize;
+
     TilesPerLine = ScreenWidth/TileSize;
     TileLines = ScreenHeight/TileSize;
 
diff --git a/src/GPU3D_Compute.h b/src/GPU3D_Compute.h
index 7544c09e..1e225948 100644
--- a/src/GPU3D_Compute.h
+++ b/src/GPU3D_Compute.h
@@ -163,11 +163,11 @@ private:
         float TextureLayer;
     };
 
-    static constexpr int TileSize = 8;
+    int TileSize;
     static constexpr int CoarseTileCountX = 8;
     static constexpr int CoarseTileCountY = 4;
-    static constexpr int CoarseTileW = CoarseTileCountX * TileSize;
-    static constexpr int CoarseTileH = CoarseTileCountY * TileSize;
+    int CoarseTileW;
+    int CoarseTileH;
 
     static constexpr int BinStride = 2048/32;
     static constexpr int CoarseBinStride = BinStride/32;
diff --git a/src/GPU3D_Compute_shaders.h b/src/GPU3D_Compute_shaders.h
index 572f9ad6..0ad57dbd 100644
--- a/src/GPU3D_Compute_shaders.h
+++ b/src/GPU3D_Compute_shaders.h
@@ -339,7 +339,6 @@ const uint ResultAttrStart = ResultDepthStart+ScreenWidth*ScreenHeight*2;
 
 const char* Common = R"(
 
-#define TileSize 8
 const int CoarseTileCountX = 8;
 const int CoarseTileCountY = 4;
 const int CoarseTileW = (CoarseTileCountX * TileSize);