runtime: CMake-ify

gxruntime/ddutil.hpp

@@ -0,0 +1,57 @@
+
+#ifndef DDUTIL_H
+#define DDUTIL_H
+
+#include "GraphicsRuntime.hpp"
+
+class gxGraphics;
+
+
+struct ddUtil{
+
+	static void buildMipMaps( IDirectDrawSurface7 *surf );
+	static void copy( IDirectDrawSurface7 *dest,int dx,int dy,int dw,int dh,IDirectDrawSurface7 *src,int sx,int sy,int sw,int sh );
+	static IDirectDrawSurface7 *loadSurface( const std::string &f,int flags,gxGraphics *gfx );
+	static IDirectDrawSurface7 *createSurface( int width,int height,int flags,gxGraphics *gfx );
+};
+
+class PixelFormat{
+	int depth,pitch;
+	unsigned amask,rmask,gmask,bmask,argbfill;
+	unsigned char ashr,ashl,rshr,rshl,gshr,gshl,bshr,bshl;
+	typedef void (_fastcall *Plot)(void *pix,unsigned argb);
+	typedef unsigned (_fastcall *Point)(void *pix);
+	Plot plot;
+	Point point;
+
+	char *plot_code,*point_code;
+
+public:
+	PixelFormat():plot_code(0){
+	}
+
+	PixelFormat( const DDPIXELFORMAT &pf ):plot_code(0){
+		setFormat( pf );
+	}
+
+	~PixelFormat();
+
+	void setFormat( const DDPIXELFORMAT &pf );
+
+	int getDepth()const{
+		return depth; 
+	}
+	int getPitch()const{ 
+		return pitch; 
+	}
+	unsigned fromARGB( unsigned n )const{
+		return ( (n>>ashr<<ashl)&amask ) | ( (n>>rshr<<rshl)&rmask ) | ( (n>>gshr<<gshl)&gmask ) | ( (n>>bshr<<bshl)&bmask );
+	}
+	unsigned toARGB( unsigned n )const{
+		return ( (n&amask)>>ashl<<ashr ) | ( (n&rmask)>>rshl<<rshr ) | ( (n&gmask)>>gshl<<gshr ) | ( (n&bmask)>>bshl<<bshr ) | argbfill;
+	}
+	void setPixel( void *p,unsigned n )const{ plot(p,n); }
+	unsigned getPixel( void *p )const{ return point(p); }
+};
+
+#endif