From: notaz <notasas@gmail.com>
Date: Wed, 5 Oct 2011 20:32:35 +0000 (+0300)
Subject: recompilation-caused frameskip workaround
X-Git-Tag: r10~13
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=commitdiff_plain;h=2f546f9ace7c7e4b0957aff512dc0616b01b3976

recompilation-caused frameskip workaround
---

diff --git a/frontend/plugin_lib.c b/frontend/plugin_lib.c
index c719f48e..084ff1e2 100644
--- a/frontend/plugin_lib.c
+++ b/frontend/plugin_lib.c
@@ -264,7 +264,7 @@ void pl_update_gun(int *xn, int *xres, int *y, int *in)
 void pl_frame_limit(void)
 {
 	static struct timeval tv_old, tv_expect;
-	static int vsync_cnt_prev;
+	static int vsync_cnt_prev, drc_active_vsyncs;
 	struct timeval now;
 	int diff, usadj;
 
@@ -333,6 +333,17 @@ void pl_frame_limit(void)
 			pl_rearmed_cbs.fskip_advice = 1;
 		else if (diff >= 0)
 			pl_rearmed_cbs.fskip_advice = 0;
+
+		// recompilation is not that fast and may cause frame skip on
+		// loading screens and such, resulting in flicker or glitches
+		if (new_dynarec_did_compile) {
+			if (drc_active_vsyncs < 32)
+				pl_rearmed_cbs.fskip_advice = 0;
+			drc_active_vsyncs++;
+		}
+		else
+			drc_active_vsyncs = 0;
+		new_dynarec_did_compile = 0;
 	}
 
 	pcnt_start(PCNT_ALL);
diff --git a/libpcsxcore/new_dynarec/emu_if.c b/libpcsxcore/new_dynarec/emu_if.c
index 02433f10..56c6b77a 100644
--- a/libpcsxcore/new_dynarec/emu_if.c
+++ b/libpcsxcore/new_dynarec/emu_if.c
@@ -300,6 +300,7 @@ unsigned short hword;
 unsigned char byte;
 int pending_exception, stop;
 unsigned int next_interupt;
+int new_dynarec_did_compile;
 void *psxH_ptr;
 void new_dynarec_init() {}
 void new_dyna_start() {}
diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c
index 01287582..a2635648 100644
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -136,6 +136,7 @@ struct ll_entry
   static const u_int using_tlb=0;
 #endif
   static u_int sp_in_mirror;
+  int new_dynarec_did_compile;
   u_int stop_after_jal;
   extern u_char restore_candidate[512];
   extern int cycle_count;
@@ -8011,6 +8012,7 @@ int new_recompile_block(int addr)
   //rlist();
   start = (u_int)addr&~3;
   //assert(((u_int)addr&1)==0);
+  new_dynarec_did_compile=1;
 #ifdef PCSX
   if(!sp_in_mirror&&(signed int)(psxRegs.GPR.n.sp&0xffe00000)>0x80200000&&
      0x10000<=psxRegs.GPR.n.sp&&(psxRegs.GPR.n.sp&~0xe0e00000)<RAM_SIZE) {
diff --git a/libpcsxcore/new_dynarec/new_dynarec.h b/libpcsxcore/new_dynarec/new_dynarec.h
index 14319da5..2dfc55ae 100644
--- a/libpcsxcore/new_dynarec/new_dynarec.h
+++ b/libpcsxcore/new_dynarec/new_dynarec.h
@@ -3,6 +3,7 @@
 extern int pcaddr;
 extern int pending_exception;
 extern int stop;
+extern int new_dynarec_did_compile;
 
 void new_dynarec_init();
 void new_dynarec_cleanup();