From 046daac427f937fdb570ae267c339ad25f006d68 Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Sun, 6 Dec 2015 13:46:43 -0500
Subject: [PATCH] HWRenderer/TextureCache: Flush the texture cache when bit 16
 of register 0x80 is set to 1.

---
 src/video_core/pica.h                            | 1 +
 src/video_core/renderer_opengl/gl_rasterizer.cpp | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index 2f1b2dec4..192a808ac 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -235,6 +235,7 @@ struct Regs {
         BitField< 0, 1, u32> texture0_enable;
         BitField< 1, 1, u32> texture1_enable;
         BitField< 2, 1, u32> texture2_enable;
+        BitField<16, 1, u32> clear_texture_cache;
     };
     TextureConfig texture0;
     INSERT_PADDING_WORDS(0x8);
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 822739088..a94d7ad9b 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -281,6 +281,12 @@ void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) {
     case PICA_REG_INDEX(tev_combiner_buffer_color):
         SyncCombinerColor();
         break;
+
+    case PICA_REG_INDEX(clear_texture_cache):
+        // Clear the texture cache when this bit is 1
+        if (regs.clear_texture_cache)
+            res_cache.FullFlush();
+        break;
     }
 }