From ea4a16e7665cf6b4a68f5c017b346547d6455470 Mon Sep 17 00:00:00 2001
From: notaz
Date: Thu, 15 Sep 2011 01:33:57 +0300
Subject: add fixed frameskip option

---
 plugins/dfxvideo/gpu.c     | 2 +-
 plugins/gpu_neon/gpu.c     | 4 ++--
 plugins/gpu_neon/gpu.h     | 2 +-
 plugins/gpu_neon/vout_fb.c | 8 +++++---
 plugins/gpu_unai/gpu.cpp   | 2 +-
 5 files changed, 10 insertions(+), 8 deletions(-)

(limited to 'plugins')

diff --git a/plugins/dfxvideo/gpu.c b/plugins/dfxvideo/gpu.c
index 6af6447..d80a265 100644
--- a/plugins/dfxvideo/gpu.c
+++ b/plugins/dfxvideo/gpu.c
@@ -233,7 +233,7 @@ static void decideSkip(void)
 
  if(dwActFixes&0xa0)                                   // -> pc fps calculation fix/old skipping fix
   {
-   int skip = (skip_advice && *skip_advice) || fps_skip < fFrameRateHz;
+   int skip = (skip_advice && *skip_advice) || UseFrameSkip == 1 || fps_skip < fFrameRateHz;
    if(skip && !bSkipNextFrame)                         // -> skip max one in a row
        {bSkipNextFrame = TRUE; fps_skip=fFrameRateHz;}
    else bSkipNextFrame = FALSE;
diff --git a/plugins/gpu_neon/gpu.c b/plugins/gpu_neon/gpu.c
index 03b0c71..c275d83 100644
--- a/plugins/gpu_neon/gpu.c
+++ b/plugins/gpu_neon/gpu.c
@@ -61,7 +61,7 @@ static noinline void decide_frameskip(void)
 {
   gpu.frameskip.frame_ready = !gpu.frameskip.active;
 
-  if (!gpu.frameskip.active && *gpu.frameskip.advice)
+  if (!gpu.frameskip.active && (*gpu.frameskip.advice || gpu.frameskip.set == 1))
     gpu.frameskip.active = 1;
   else
     gpu.frameskip.active = 0;
@@ -133,7 +133,7 @@ void GPUwriteStatus(uint32_t data)
     case 0x05:
       gpu.screen.x = data & 0x3ff;
       gpu.screen.y = (data >> 10) & 0x3ff;
-      if (gpu.frameskip.enabled)
+      if (gpu.frameskip.set)
         decide_frameskip();
       break;
     case 0x06:
diff --git a/plugins/gpu_neon/gpu.h b/plugins/gpu_neon/gpu.h
index a0cdbf7..04f69ab 100644
--- a/plugins/gpu_neon/gpu.h
+++ b/plugins/gpu_neon/gpu.h
@@ -71,7 +71,7 @@ struct psx_gpu {
     } last_list;
   } state;
   struct {
-    uint32_t enabled:1;
+    int32_t set:3; /* -1 auto, 0 off, 1 fixed */
     uint32_t active:1;
     uint32_t frame_ready:1;
     uint32_t skipped_blits:5;
diff --git a/plugins/gpu_neon/vout_fb.c b/plugins/gpu_neon/vout_fb.c
index b2b5b25..6b687b3 100644
--- a/plugins/gpu_neon/vout_fb.c
+++ b/plugins/gpu_neon/vout_fb.c
@@ -84,7 +84,7 @@ void GPUupdateLace(void)
   if (gpu.status.blanking || !gpu.state.fb_dirty)
     return;
 
-  if (gpu.frameskip.enabled) {
+  if (gpu.frameskip.set) {
     if (!gpu.frameskip.frame_ready && gpu.frameskip.skipped_blits < 9) {
       gpu.frameskip.skipped_blits++;
       return;
@@ -100,8 +100,6 @@ void GPUupdateLace(void)
 
 long GPUopen(void)
 {
-  gpu.frameskip.enabled = cbs->frameskip;
-  gpu.frameskip.advice = &cbs->fskip_advice;
   gpu.frameskip.active = 0;
   gpu.frameskip.frame_ready = 1;
 
@@ -119,6 +117,10 @@ long GPUclose(void)
 void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_)
 {
   cbs = cbs_;
+  gpu.frameskip.set = cbs->frameskip;
+  gpu.frameskip.advice = &cbs->fskip_advice;
+  gpu.frameskip.active = 0;
+  gpu.frameskip.frame_ready = 1;
 }
 
 // vim:shiftwidth=2:expandtab
diff --git a/plugins/gpu_unai/gpu.cpp b/plugins/gpu_unai/gpu.cpp
index fefc277..3342d1e 100644
--- a/plugins/gpu_unai/gpu.cpp
+++ b/plugins/gpu_unai/gpu.cpp
@@ -901,7 +901,7 @@ void GPU_updateLace(void)
 			wasSkip = isSkip = 0;
 	}
 
-	skipFrame = cbs->fskip_advice;
+	skipFrame = cbs->fskip_advice || cbs->frameskip == 1;
 }
 
 long GPUopen(unsigned long *, char *, char *)
-- 
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