gpu_unai: redo frameskip

the previous code wasn't that functional

diff --git a/plugins/gpu_unai/gpu.cpp b/plugins/gpu_unai/gpu.cpp
index ea98364..fefc277 100644 (file)
--- a/plugins/gpu_unai/gpu.cpp
+++ b/plugins/gpu_unai/gpu.cpp
@@ -29,6 +29,7 @@ int linesInterlace = 0;  /* internal lines interlace */
 int linesInterlace_user = 0; /* Lines interlace */
 
 bool isSkip = false; /* skip frame (info coming from GPU) */
+bool wasSkip = false;
 bool skipFrame = false; /* skip frame (according to frame skip) */
 bool alt_fps = false; /* Alternative FPS algorithm */
 bool show_fps = false; /* Show FPS statistics */
@@ -551,6 +552,11 @@ void  GPU_writeStatus(u32 data)
                DisplayArea[0] = (data & 0x000003FF); //(short)(data & 0x3ff);
                DisplayArea[1] = ((data & 0x0007FC00)>>10); //(data & 0x000FFC00) >> 10; //(short)((data>>10)&0x1ff);
                fb_dirty = true;
+               wasSkip = isSkip;
+               if (isSkip)
+                       isSkip = false;
+               else
+                       isSkip = skipFrame;
                break;
        case 0x07:
                DisplayArea[4] = data & 0x000003FF; //(short)(data & 0x3ff);
@@ -884,15 +890,18 @@ void GPU_updateLace(void)
        if (!fb_dirty || (GPU_GP1&0x08800000))
                return;
 
-       if (!isSkip) {
+       if (!wasSkip) {
                blit();
-
                fb_dirty = false;
-               if (cbs->fskip_advice)
-                       isSkip = true;
+               skCount = 0;
        }
-       else
-               isSkip = false;
+       else {
+               skCount++;
+               if (skCount >= 8)
+                       wasSkip = isSkip = 0;
+       }
+
+       skipFrame = cbs->fskip_advice;
 }
 
 long GPUopen(unsigned long *, char *, char *)

diff --git a/plugins/gpu_unai/gpu_command.h b/plugins/gpu_unai/gpu_command.h
index 2dc7f5b..a5b61b6 100644 (file)
--- a/plugins/gpu_unai/gpu_command.h
+++ b/plugins/gpu_unai/gpu_command.h
@@ -400,7 +400,7 @@ void gpuSendPacketFunction(const int PRIM)
                                TextureWindow[2] = TextureMask[(temp >> 0) & 0x1F];
                                TextureWindow[3] = TextureMask[(temp >> 5) & 0x1F];
                                gpuSetTexture(GPU_GP1);
-                               isSkip = false;
+                               //isSkip = false;
                                DO_LOG(("TextureWindow(0x%x)\n",PRIM));
                        }
                        break;
@@ -409,7 +409,7 @@ void gpuSendPacketFunction(const int PRIM)
                                const u32 temp = PacketBuffer.U4[0];
                                DrawingArea[0] = temp         & 0x3FF;
                                DrawingArea[1] = (temp >> 10) & 0x3FF;
-                               isSkip = false;
+                               //isSkip = false;
                                DO_LOG(("DrawingArea_Pos(0x%x)\n",PRIM));
                        }
                        break;
@@ -418,7 +418,7 @@ void gpuSendPacketFunction(const int PRIM)
                                const u32 temp = PacketBuffer.U4[0];
                                DrawingArea[2] = (temp         & 0x3FF) + 1;
                                DrawingArea[3] = ((temp >> 10) & 0x3FF) + 1;
-                               isSkip = false;
+                               //isSkip = false;
                                DO_LOG(("DrawingArea_Size(0x%x)\n",PRIM));
                        }
                        break;
@@ -427,7 +427,7 @@ void gpuSendPacketFunction(const int PRIM)
                                const u32 temp = PacketBuffer.U4[0];
                                DrawingOffset[0] = ((long)temp<<(32-11))>>(32-11);
                                DrawingOffset[1] = ((long)temp<<(32-22))>>(32-11);
-                               isSkip = false;
+                               //isSkip = false;
                                DO_LOG(("DrawingOffset(0x%x)\n",PRIM));
                        }
                        break;