From 72e5023fade738954035199aacf4076c69c52477 Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Tue, 3 Jan 2012 20:05:54 +0200
Subject: [PATCH] bring GPUvBlank back

to be used for interlace emulation
---
 frontend/plugin.c         | 4 ++--
 libpcsxcore/plugins.h     | 4 ++--
 libpcsxcore/psxcounters.c | 3 ++-
 plugins/gpu_neon/gpu.c    | 4 ++++
 plugins/gpu_neon/gpu.h    | 1 +
 5 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/frontend/plugin.c b/frontend/plugin.c
index a5f9830c..b0cbc672 100644
--- a/frontend/plugin.c
+++ b/frontend/plugin.c
@@ -75,7 +75,7 @@ extern void GPUreadDataMem(uint32_t *, int);
 extern long GPUdmaChain(uint32_t *,uint32_t);
 extern void GPUupdateLace(void);
 extern long GPUfreeze(uint32_t, void *);
-extern void GPUvBlank(int, uint32_t *, uint32_t *);
+extern void GPUvBlank(int, int);
 extern void GPUrearmedCallbacks(const struct rearmed_cbs *cbs);
 
 
@@ -168,7 +168,7 @@ static const struct {
 	DIRECT_GPU(GPUwriteDataMem),
 	DIRECT_GPU(GPUdmaChain),
 	DIRECT_GPU(GPUfreeze),
-//	DIRECT_GPU(GPUvBlank), // unused
+	DIRECT_GPU(GPUvBlank),
 	DIRECT_GPU(GPUrearmedCallbacks),
 
 	DUMMY_GPU(GPUdisplayText),
diff --git a/libpcsxcore/plugins.h b/libpcsxcore/plugins.h
index f7f62487..dfa87221 100644
--- a/libpcsxcore/plugins.h
+++ b/libpcsxcore/plugins.h
@@ -94,7 +94,7 @@ typedef long (CALLBACK* GPUfreeze)(uint32_t, GPUFreeze_t *);
 typedef long (CALLBACK* GPUgetScreenPic)(unsigned char *);
 typedef long (CALLBACK* GPUshowScreenPic)(unsigned char *);
 typedef void (CALLBACK* GPUclearDynarec)(void (CALLBACK *callback)(void));
-typedef void (CALLBACK* GPUvBlank)(int);
+typedef void (CALLBACK* GPUvBlank)(int, int);
 
 // GPU function pointers
 extern GPUupdateLace    GPU_updateLace;
@@ -119,7 +119,7 @@ extern GPUfreeze        GPU_freeze;
 extern GPUgetScreenPic  GPU_getScreenPic;
 extern GPUshowScreenPic GPU_showScreenPic;
 extern GPUclearDynarec  GPU_clearDynarec;
-extern GPUvBlank        GPU_vBlank; // unused
+extern GPUvBlank        GPU_vBlank;
 
 // CD-ROM Functions
 typedef long (CALLBACK* CDRinit)(void);
diff --git a/libpcsxcore/psxcounters.c b/libpcsxcore/psxcounters.c
index 5056c709..8b8fea8b 100644
--- a/libpcsxcore/psxcounters.c
+++ b/libpcsxcore/psxcounters.c
@@ -291,7 +291,7 @@ void psxRcntUpdate()
         if( hSyncCount == VBlankStart )
         {
             HW_GPU_STATUS &= ~PSXGPU_LCF;
-
+            GPU_vBlank( 1, 0 );
             setIrq( 0x01 );
 
             EmuUpdate();
@@ -307,6 +307,7 @@ void psxRcntUpdate()
             gpuSyncPluginSR();
             if( (HW_GPU_STATUS & PSXGPU_ILACE_BITS) == PSXGPU_ILACE_BITS )
                 HW_GPU_STATUS |= frame_counter << 31;
+            GPU_vBlank( 0, HW_GPU_STATUS >> 31 );
         }
 
         // Schedule next call, in hsyncs
diff --git a/plugins/gpu_neon/gpu.c b/plugins/gpu_neon/gpu.c
index a18e05ff..02dd3721 100644
--- a/plugins/gpu_neon/gpu.c
+++ b/plugins/gpu_neon/gpu.c
@@ -533,4 +533,8 @@ long GPUfreeze(uint32_t type, struct GPUFreeze *freeze)
   return 1;
 }
 
+void GPUvBlank(int is_vblank, int lcf)
+{
+}
+
 // vim:shiftwidth=2:expandtab
diff --git a/plugins/gpu_neon/gpu.h b/plugins/gpu_neon/gpu.h
index 227aaaac..6aa933e3 100644
--- a/plugins/gpu_neon/gpu.h
+++ b/plugins/gpu_neon/gpu.h
@@ -118,6 +118,7 @@ long GPUfreeze(uint32_t type, struct GPUFreeze *freeze);
 void GPUupdateLace(void);
 long GPUopen(void **dpy);
 long GPUclose(void);
+void GPUvBlank(int is_vblank, int lcf);
 void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);
 
 #ifdef __cplusplus
-- 
2.39.5