gpus: handle list underflows better

[pcsx_rearmed.git] / plugins / gpu_unai / gpulib_if.cpp

diff --git a/plugins/gpu_unai/gpulib_if.cpp b/plugins/gpu_unai/gpulib_if.cpp
index d665895..0d506bc 100644 (file)
--- a/plugins/gpu_unai/gpulib_if.cpp
+++ b/plugins/gpu_unai/gpulib_if.cpp
@@ -111,12 +111,10 @@ static u32   GPU_GP1;
 //  GPU Raster Macros
 #define        GPU_RGB16(rgb)        ((((rgb)&0xF80000)>>9)|(((rgb)&0xF800)>>6)|(((rgb)&0xF8)>>3))
 
-#define GPU_EXPANDSIGN_POLY(x)  (((s32)(x)<<20)>>20)
-//#define GPU_EXPANDSIGN_POLY(x)  (((s32)(x)<<21)>>21)
-#define GPU_EXPANDSIGN_SPRT(x)  (((s32)(x)<<21)>>21)
+#define GPU_EXPANDSIGN(x)  (((s32)(x)<<21)>>21)
 
-//#define      GPU_TESTRANGE(x)      { if((u32)(x+1024) > 2047) return; }
-#define        GPU_TESTRANGE(x)      { if ((x<-1023) || (x>1023)) return; }
+#define CHKMAX_X 1024
+#define CHKMAX_Y 512
 
 #define        GPU_SWAP(a,b,t) {(t)=(a);(a)=(b);(b)=(t);}
 
@@ -156,6 +154,14 @@ int renderer_init(void)
        return 0;
 }
 
+void renderer_finish(void)
+{
+}
+
+void renderer_notify_res_change(void)
+{
+}
+
 extern const unsigned char cmd_lengths[256];
 
 int do_cmd_list(unsigned int *list, int list_len, int *last_cmd)
@@ -301,7 +307,11 @@ int do_cmd_list(unsigned int *list, int list_len, int *last_cmd)
           gpuDrawLF(gpuPixelDrivers [ (Blending_Mode | Masking | Blending | (PixelMSB>>3)) >> 1]);
 
           num_vertexes++;
-          if((*list_position & 0xf000f000) == 0x50005000 || list_position >= list_end)
+          if(list_position >= list_end) {
+            cmd = -1;
+            goto breakloop;
+          }
+          if((*list_position & 0xf000f000) == 0x50005000)
             break;
         }
 
@@ -332,7 +342,11 @@ int do_cmd_list(unsigned int *list, int list_len, int *last_cmd)
           gpuDrawLG(gpuPixelDrivers [ (Blending_Mode | Masking | Blending | (PixelMSB>>3)) >> 1]);
 
           num_vertexes++;
-          if((*list_position & 0xf000f000) == 0x50005000 || list_position >= list_end)
+          if(list_position >= list_end) {
+            cmd = -1;
+            goto breakloop;
+          }
+          if((*list_position & 0xf000f000) == 0x50005000)
             break;
         }
 
@@ -527,6 +541,8 @@ void renderer_set_config(const struct rearmed_cbs *cbs)
   enableAbbeyHack = cbs->gpu_unai.abe_hack;
   light = !cbs->gpu_unai.no_light;
   blend = !cbs->gpu_unai.no_blend;
+
+  GPU_FrameBuffer = (u16 *)gpu.vram;
 }
 
 #endif