Big endian argb

desmume/src/rasterize.h

@@ -0,0 +1,95 @@
+/*  Copyright 2009 DeSmuME team
+
+    This file is part of DeSmuME
+
+    DeSmuME is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    DeSmuME is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DeSmuME; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+*/
+
+#ifndef _RASTERIZE_H_
+#define _RASTERIZE_H_
+
+#include "render3D.h"
+#include "gfx3d.h"
+
+extern GPU3DInterface gpu3DRasterize;
+
+union FragmentColor {
+	u32 color;
+	struct {
+#ifdef WORDS_BIGENDIAN
+		u8 a,b,g,r;
+#else
+		u8 r,g,b,a;
+#endif
+	};
+};
+
+struct Fragment
+{
+	u32 depth;
+
+	struct
+	{
+		u8 opaque, translucent;
+	} polyid;
+
+	u8 stencil;
+
+	struct
+	{
+		u8 isTranslucentPoly:1;
+		u8 fogged:1;
+	};
+};
+
+class TexCacheItem;
+
+class SoftRasterizerEngine
+{
+public:
+	//debug:
+	int _debug_drawClippedUserPoly;
+
+	SoftRasterizerEngine();
+	
+	void initFramebuffer(const int width, const int height, const bool clearImage);
+	void framebufferProcess();
+	void updateToonTable();
+	void updateFogTable();
+	void updateFloatColors();
+	void performClipping(bool hirez);
+	template<bool CUSTOM> void performViewportTransforms(int width, int height);
+	void performCoordAdjustment(const bool skipBackfacing);
+	void performBackfaceTests();
+	void setupTextures(const bool skipBackfacing);
+
+	FragmentColor toonTable[32];
+	u8 fogTable[32768];
+	GFX3D_Clipper clipper;
+	GFX3D_Clipper::TClippedPoly *clippedPolys;
+	int clippedPolyCounter;
+	TexCacheItem* polyTexKeys[POLYLIST_SIZE];
+	bool polyVisible[POLYLIST_SIZE];
+	bool polyBackfacing[POLYLIST_SIZE];
+	Fragment *screen;
+	FragmentColor *screenColor;
+	POLYLIST* polylist;
+	VERTLIST* vertlist;
+	INDEXLIST* indexlist;
+	int width, height;
+};
+
+
+#endif