From f4a6c356aa5faff8594a2288b0251296e8a0d0cf Mon Sep 17 00:00:00 2001
From: Logan McNaughton <logan@bacoosta.com>
Date: Wed, 23 Jun 2021 08:10:48 -0600
Subject: [PATCH] update parallel rdp

---
 parallel-rdp-standalone/gfx_m64p.c       | 9 +++++++++
 parallel-rdp-standalone/parallel_imp.cpp | 4 +++-
 parallel-rdp-standalone/parallel_imp.h   | 1 +
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/parallel-rdp-standalone/gfx_m64p.c b/parallel-rdp-standalone/gfx_m64p.c
index e8b622d..3bbb581 100644
--- a/parallel-rdp-standalone/gfx_m64p.c
+++ b/parallel-rdp-standalone/gfx_m64p.c
@@ -242,6 +242,15 @@ EXPORT int CALL RomOpen(void)
 
     vk_synchronous = ConfigGetParamBool(configVideoParallel, KEY_SYNCHRONOUS);
 
+    char romname[21];
+    for (int i = 0; i < 20; ++i)
+        romname[i] = gfx.HEADER[(32 + i) ^ 3];
+    romname[20] = 0;
+    if (strstr(romname, (const char *)"S.F. RUSH") != NULL)
+        skip_swap_clear = true;
+    else
+        skip_swap_clear = false;
+
     plugin_init();
     vk_init();
 
diff --git a/parallel-rdp-standalone/parallel_imp.cpp b/parallel-rdp-standalone/parallel_imp.cpp
index 5bd297c..6581b94 100644
--- a/parallel-rdp-standalone/parallel_imp.cpp
+++ b/parallel-rdp-standalone/parallel_imp.cpp
@@ -28,6 +28,7 @@ bool vk_native_tex_rect;
 bool vk_synchronous, vk_divot_filter, vk_gamma_dither;
 bool vk_vi_aa, vk_vi_scale, vk_dither_filter;
 bool vk_interlacing;
+bool skip_swap_clear;
 
 static const unsigned cmd_len_lut[64] = {
 	1, 1, 1, 1, 1, 1, 1, 1, 4, 6, 12, 14, 12, 14, 20, 22,
@@ -107,7 +108,8 @@ void vk_rasterize()
 
 		if (width == 0 || height == 0)
 		{
-			screen_swap(true);
+			if (!skip_swap_clear)
+				screen_swap(true);
 			return;
 		}
 
diff --git a/parallel-rdp-standalone/parallel_imp.h b/parallel-rdp-standalone/parallel_imp.h
index 33c44e9..dcc31c1 100644
--- a/parallel-rdp-standalone/parallel_imp.h
+++ b/parallel-rdp-standalone/parallel_imp.h
@@ -20,6 +20,7 @@ extern "C"
     extern bool vk_vi_aa, vk_vi_scale, vk_dither_filter;
     extern bool vk_interlacing;
     extern bool vk_synchronous;
+    extern bool skip_swap_clear;
 
     void vk_rasterize();
     void vk_process_commands();