vba next: coreside work for alternate palettes

BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/LibVBANext.cs

@@ -101,9 +101,10 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 		/// <param name="videobuffer">240x160 packed argb32</param>
 		/// <param name="audiobuffer">buffer to recieve stereo audio</param>
 		/// <param name="numsamp">number of samples created</param>
+		/// <param name="videopalette"></param>
 		/// <returns>true if lagged</returns>
 		[DllImport(dllname, CallingConvention = cc)]
-		public static extern bool FrameAdvance(IntPtr g, Buttons input, int[] videobuffer, short[] audiobuffer, out int numsamp);
+		public static extern bool FrameAdvance(IntPtr g, Buttons input, int[] videobuffer, short[] audiobuffer, out int numsamp, int[] videopalette);
 
 		[DllImport(dllname, CallingConvention = cc)]
 		public static extern int BinStateSize(IntPtr g);

BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/VBANext.cs

@@ -74,6 +74,9 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 				savebuff = new byte[LibVBANext.BinStateSize(Core)];
 				savebuff2 = new byte[savebuff.Length + 13];
 				InitMemoryDomains();
+
+				// todo: hook me up as a setting
+				SetupColors();
 			}
 			catch
 			{
@@ -89,7 +92,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 			if (Controller["Power"])
 				LibVBANext.Reset(Core);
 
-			IsLagFrame = LibVBANext.FrameAdvance(Core, GetButtons(), videobuff, soundbuff, out numsamp);
+			IsLagFrame = LibVBANext.FrameAdvance(Core, GetButtons(), videobuff, soundbuff, out numsamp, videopalette);
 
 			if (IsLagFrame)
 				LagCount++;
@@ -430,6 +433,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 		#region VideoProvider
 
 		int[] videobuff = new int[240 * 160];
+		int[] videopalette = new int[65536];
 
 		public IVideoProvider VideoProvider { get { return this; } }
 		public int[] GetVideoBuffer() { return videobuff; }
@@ -439,6 +443,19 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 		public int BufferHeight { get { return 160; } }
 		public int BackgroundColor { get { return unchecked((int)0xff000000); } }
 
+		void SetupColors()
+		{
+			int[] tmp = BizHawk.Emulation.Cores.Nintendo.Gameboy.GBColors.GetLut(Gameboy.GBColors.ColorType.vivid);
+			// reorder
+			for (int i = 0; i < 32768; i++)
+			{
+				int j = i & 0x3e0 | (i & 0x1f) << 10 | i >> 10 & 0x1f;
+				videopalette[i] = tmp[j];
+			}
+			// duplicate
+			Array.Copy(videopalette, 0, videopalette, 32768, 32768);
+		}
+
 		#endregion
 
 		#region SoundProvider

BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/GBColors.cs

@@ -126,6 +126,13 @@ namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 		};
 
 		public static int[] GetLut(ColorType c)
+		{
+			int[] ret = new int[32768];
+			GetLut(c, ret);
+			return ret;
+		}
+
+		public static void GetLut(ColorType c, int[] dest, int offset = 0)
 		{
 			Func<Triple, Triple> f = null;
 			switch (c)
@@ -137,13 +144,11 @@ namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 				case ColorType.vbabgbold: f = OldVBAColor; break;
 				case ColorType.gba: f = GBAColor; break;
 			}
-			int[] ret = new int[32768];
 			int i = 0;
 			for (int b = 0; b < 32; b++)
 				for (int g = 0; g < 32; g++)
 					for (int r = 0; r < 32; r++)
-						ret[i++] = f(new Triple(r, g, b)).ToARGB32();
-			return ret;
+						dest[offset + i++] = f(new Triple(r, g, b)).ToARGB32();
 		}
 	}
 }

vbanext/instance.cpp

@@ -12935,6 +12935,7 @@ void Gigazoid_Init()
 }
 
 u32 *systemVideoFrameDest;
+u32 *systemVideoFramePalette;
 s16 *systemAudioFrameDest;
 int *systemAudioFrameSamp;
 bool lagged;
@@ -12948,18 +12949,19 @@ void systemDrawScreen (void)
 	for (int i = 0; i < 240 * 160; i++)
 	{
 		u32 input = pix[i];
+		/*
 		u32 output = 0xff000000 |
 			input << 9 & 0xf80000 |
 			input << 6 & 0xf800 |
 			input << 3 & 0xf8;
+		*/
+		u32 output = systemVideoFramePalette[input];
 		systemVideoFrameDest[i] = output;
 	}
 	systemVideoFrameDest = nullptr;
+	systemVideoFramePalette = nullptr;
 }
 
-// TODO: fix up RTC so this is used
-//uint32_t systemGetClock (void) { return 0; }
-
 // called at regular intervals on sound clock
 void systemOnWriteDataToSoundBuffer(int16_t * finalWave, int length)
 {
@@ -13313,10 +13315,11 @@ template<bool isReader>bool SyncBatteryRam(NewState *ns)
 		CPUReset();
 	}
 
-	bool FrameAdvance(int input, u32 *videobuffer, s16 *audiobuffer, int *numsamp)
+	bool FrameAdvance(int input, u32 *videobuffer, s16 *audiobuffer, int *numsamp, u32 *videopalette)
 	{
 		joy = input;
 		systemVideoFrameDest = videobuffer;
+		systemVideoFramePalette = videopalette;
 		systemAudioFrameDest = audiobuffer;
 		systemAudioFrameSamp = numsamp;
 		lagged = true;
@@ -13397,9 +13400,9 @@ EXPORT void Reset(Gigazoid *g)
 	g->Reset();
 }
 
-EXPORT int FrameAdvance(Gigazoid *g, int input, u32 *videobuffer, s16 *audiobuffer, int *numsamp)
+EXPORT int FrameAdvance(Gigazoid *g, int input, u32 *videobuffer, s16 *audiobuffer, int *numsamp, u32 *videopalette)
 {
-	return g->FrameAdvance(input, videobuffer, audiobuffer, numsamp);
+	return g->FrameAdvance(input, videobuffer, audiobuffer, numsamp, videopalette);
 }
 
 EXPORT int SaveRamSize(Gigazoid *g)