optimizations, fixes, hacks, psp, ...

[picodrive.git] / Pico / Draw.c

diff --git a/Pico/Draw.c b/Pico/Draw.c
index 9d7e9bc..49f3f40 100644 (file)
--- a/Pico/Draw.c
+++ b/Pico/Draw.c
@@ -8,14 +8,18 @@
 \r
 \r
 #include "PicoInt.h"\r
-#ifndef __GNUC__\r
-#pragma warning (disable:4706) // Disable assignment within conditional\r
-#endif\r
 \r
 int (*PicoScan)(unsigned int num, void *data)=NULL;\r
 \r
-unsigned short DefOutBuff[320*2];\r
+#if OVERRIDE_HIGHCOL\r
+static unsigned char DefHighCol[8+320+8];\r
+unsigned char *HighCol=DefHighCol;\r
+#else\r
 unsigned char  HighCol[8+320+8];\r
+#endif\r
+unsigned short DefOutBuff[320*2];\r
+void *DrawLineDest=DefOutBuff; // pointer to dest buffer where to draw this line to\r
+\r
 static int  HighCacheA[41+1];   // caches for high layers\r
 static int  HighCacheB[41+1];\r
 static int  HighCacheS[80+1];   // and sprites\r
@@ -25,7 +29,6 @@ char HighSprZ[320+8+8]; // Z-buffer for accurate sprites and shadow/hilight mode
 // lsb->msb: moved sprites, not all window tiles use same priority, accurate sprites (copied from PicoOpt), interlace\r
 //           dirty sprites, sonic mode, have layer with all hi prio tiles (mk3), layer sh/hi already processed\r
 int rendstatus;\r
-void *DrawLineDest=DefOutBuff; // pointer to dest buffer where to draw this line to\r
 int Scanline=0; // Scanline\r
 \r
 static int SpriteBlocks;\r
@@ -63,6 +66,10 @@ void blockcpy_or(void *dst, void *src, size_t n, int pat)
 #endif\r
 \r
 \r
+#ifdef _ASM_DRAW_C_AMIPS\r
+int TileNorm(int sx,int addr,int pal);\r
+int TileFlip(int sx,int addr,int pal);\r
+#else\r
 static int TileNorm(int sx,int addr,int pal)\r
 {\r
   unsigned char *pd = HighCol+sx;\r
@@ -105,7 +112,7 @@ static int TileFlip(int sx,int addr,int pal)
   }\r
   return 1; // Tile blank\r
 }\r
-\r
+#endif\r
 \r
 // tile renderers for hacky operator sprite support\r
 #define sh_pix(x) \\r
@@ -1120,8 +1127,7 @@ static void DrawAllSprites(int *hcache, int maxwidth, int prio, int sh)
 #ifndef _ASM_DRAW_C\r
 static void BackFill(int reg7, int sh)\r
 {\r
-  unsigned int back=0;\r
-  unsigned int *pd=NULL,*end=NULL;\r
+  unsigned int back;\r
 \r
   // Start with a blank scanline (background colour):\r
   back=reg7&0x3f;\r
@@ -1129,10 +1135,7 @@ static void BackFill(int reg7, int sh)
   back|=back<<8;\r
   back|=back<<16;\r
 \r
-  pd= (unsigned int *)(HighCol+8);\r
-  end=(unsigned int *)(HighCol+8+320);\r
-\r
-  do { pd[0]=pd[1]=pd[2]=pd[3]=back; pd+=4; } while (pd<end);\r
+  memset32((int *)(HighCol+8), back, 320/4);\r
 }\r
 #endif\r
 \r
@@ -1183,35 +1186,49 @@ static void FinalizeLineRGB555(int sh)
   unsigned short *pal=HighPal;\r
   int len, i, t, dirtyPal = Pico.m.dirtyPal;\r
 \r
-  if(dirtyPal) {\r
-    unsigned short *ppal=Pico.cram;\r
-    for(i = 0x3f; i >= 0; i--)\r
-      pal[i] = (unsigned short) (((ppal[i]&0x00f)<<12)|((ppal[i]&0x0f0)<<3)|((ppal[i]&0xf00)>>7));\r
+  if (dirtyPal)\r
+  {\r
+    unsigned int *spal=(void *)Pico.cram;\r
+    unsigned int *dpal=(void *)HighPal;\r
+    for (i = 0x3f/2; i >= 0; i--)\r
+#ifdef USE_BGR555\r
+      dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);\r
+#else\r
+      dpal[i] = ((spal[i]&0x000f000f)<<12)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)>>7);\r
+#endif\r
     Pico.m.dirtyPal = 0;\r
   }\r
 \r
-  if (Pico.video.reg[12]&1) {\r
-    len = 320;\r
-  } else {\r
-    if(!(PicoOpt&0x100)) pd+=32;\r
-    len = 256;\r
-  }\r
-\r
-  if(sh) {\r
-    if(dirtyPal) {\r
+  if (sh)\r
+  {\r
+    if (dirtyPal) {\r
       // shadowed pixels\r
-      for(i = 0x3f; i >= 0; i--)\r
+      for (i = 0x3f; i >= 0; i--)\r
         pal[0x40|i] = pal[0xc0|i] = (unsigned short)((pal[i]>>1)&0x738e);\r
       // hilighted pixels\r
-      for(i = 0x3f; i >= 0; i--) {\r
+      for (i = 0x3f; i >= 0; i--) {\r
         t=pal[i]&0xe71c;t+=0x4208;if(t&0x20)t|=0x1c;if(t&0x800)t|=0x700;if(t&0x10000)t|=0xe000;t&=0xe71c;\r
         pal[0x80|i]=(unsigned short)t;\r
       }\r
     }\r
   }\r
 \r
-  for(i = 0; i < len; i++)\r
+  if (Pico.video.reg[12]&1) {\r
+    len = 320;\r
+  } else {\r
+    if (!(PicoOpt&0x100)) pd+=32;\r
+    len = 256;\r
+  }\r
+\r
+#ifndef PSP\r
+  for (i = 0; i < len; i++)\r
     pd[i] = pal[ps[i]];\r
+#else\r
+  {\r
+    extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);\r
+    amips_clut(pd, ps, pal, len);\r
+  }\r
+#endif\r
 }\r
 #endif\r
 \r
@@ -1253,7 +1270,7 @@ static void FinalizeLine8bit(int sh)
   }\r
 }\r
 \r
-void (*FinalizeLine)(int sh) = FinalizeLineBGR444;\r
+static void (*FinalizeLine)(int sh) = FinalizeLineBGR444;\r
 \r
 // --------------------------------------------\r
 \r
@@ -1354,8 +1371,8 @@ PICO_INTERNAL int PicoLine(int scan)
   if (Pico.video.reg[1]&0x40)\r
     DrawDisplay(sh);\r
 \r
-  FinalizeLine(sh);\r
-  //if (SpriteBlocks & (1<<(scan>>3))) for (sh=0; sh < 30; sh++) DrawLineDest[sh] = 0xf;\r
+  if (FinalizeLine != NULL)\r
+    FinalizeLine(sh);\r
 \r
   Skip=PicoScan(Scanline,DrawLineDest);\r
 \r
@@ -1365,9 +1382,15 @@ PICO_INTERNAL int PicoLine(int scan)
 \r
 void PicoDrawSetColorFormat(int which)\r
 {\r
-    if (which == 2)\r
-         FinalizeLine = FinalizeLine8bit;\r
-    else if (which == 1)\r
-         FinalizeLine = FinalizeLineRGB555;\r
-    else FinalizeLine = FinalizeLineBGR444;\r
+  switch (which)\r
+  {\r
+    case 2: FinalizeLine = FinalizeLine8bit;   break;\r
+    case 1: FinalizeLine = FinalizeLineRGB555; break;\r
+    case 0: FinalizeLine = FinalizeLineBGR444; break;\r
+    default:FinalizeLine = NULL; break;\r
+  }\r
+#if OVERRIDE_HIGHCOL\r
+  if (which) HighCol=DefHighCol;\r
+#endif\r
 }\r
+\r