Some attempts to speedup Rice when using FB

[mupen64plus-pandora.git] / source / gles2rice / src / RSP_Parser.cpp

diff --git a/source/gles2rice/src/RSP_Parser.cpp b/source/gles2rice/src/RSP_Parser.cpp
index d3a69d3..0c2de1f 100644 (file)
--- a/source/gles2rice/src/RSP_Parser.cpp
+++ b/source/gles2rice/src/RSP_Parser.cpp
@@ -780,6 +780,13 @@ uint32 DLParser_CheckUcode(uint32 ucStart, uint32 ucDStart, uint32 ucSize, uint3
 extern int dlistMtxCount;
 extern bool bHalfTxtScale;
 
+extern float mspervi;
+extern float numvi;
+static int skipframe=0;
+static unsigned int oldtick=0;
+static int oldskip=0;
+extern bool skipping;
+
 void DLParser_Process(OSTask * pTask)
 {
     static int skipframe=0;
@@ -796,7 +803,7 @@ void DLParser_Process(OSTask * pTask)
     }
 
     status.bScreenIsDrawn = true;
-    if( options.bSkipFrame )
+/*    if( options.bSkipFrame )
     {
         skipframe++;
         if(skipframe%2)
@@ -806,12 +813,44 @@ void DLParser_Process(OSTask * pTask)
             return;
         }
     }
-
+*/
     if( currentRomOptions.N64RenderToTextureEmuType != TXT_BUF_NONE && defaultRomOptions.bSaveVRAM )
     {
         g_pFrameBufferManager->CheckRenderTextureCRCInRDRAM();
     }
 
+    unsigned int newtick=0;
+    static int count = 0;
+    if( options.bSkipFrame )
+    {
+       skipping=false;
+       newtick = SDL_GetTicks();
+       if (newtick-oldtick>400 || skipframe>4 || numvi==0) {
+               oldtick=newtick;                        // too long frame delay, something must have gone wrong
+               skipping=false;
+       } else
+       if ((float)(newtick-oldtick)>=mspervi*numvi+3.0f) {
+               skipping=true;
+       }
+       // don't jump frameskipping...
+       if (skipping) {
+               //want to skip, be progress slowly...
+               if (skipframe>oldskip+1)
+                       skipping = false;
+       }
+       if (skipping) {
+               skipframe++;
+               status.bScreenIsDrawn = false;
+               TriggerDPInterrupt();
+               TriggerSPInterrupt();
+               return;
+       }
+        oldskip = skipframe;
+        skipframe=0;
+        oldtick=newtick;
+        numvi=0;
+    }
+
     g_pOSTask = pTask;
     
     DebuggerPauseCountN( NEXT_DLIST );