Palette.dctl

// Palette DCTL

__DEVICE__ float3 palette[27];  //p+1;


__DEVICE__ float3 getcolor(float c) 
{
	c = _fmod(c, 27.0f); 
	int p = 0;
	float3 color = make_float3(0.0f, 0.0f, 0.0f);
	for(int i = 0; i < 27; i++) {
		if (float(i) - c <= 0.0f) { 
			color = palette[i]; 
		}
	}
	return color;
}
	
__DEVICE__ float3 transform(int p_Width, int p_Height, int p_X, int p_Y, __TEXTURE__ p_TexR, __TEXTURE__ p_TexG, __TEXTURE__ p_TexB)
{
	palette[0] = make_float3(0.0f,0.0f,0.0f);
	palette[1] = make_float3(0.0f,0.0f,0.5f);
	palette[2] = make_float3(0.0f,0.0f,1.0f);
	palette[3] = make_float3(0.5f,0.0f,0.0f);
	palette[4] = make_float3(0.5f,0.0f,0.5f);
	palette[5] = make_float3(0.5f,0.0f,1.0f);
	palette[6] = make_float3(1.0f,0.0f,0.0f);
	palette[7] = make_float3(1.0f,0.0f,0.5f);
	palette[8] = make_float3(1.0f,0.0f,1.0f); 	
	palette[9] = make_float3(0.0f,0.5f,0.0f);  	
	palette[10] = make_float3(0.0f,0.5f,0.5f);  	
	palette[11] = make_float3(0.0f,0.5f,1.0f);  	
	palette[12] = make_float3(0.5f,0.5f,0.0f);  	
	palette[13] = make_float3(0.5f,0.5f,0.5f);  
	palette[14] = make_float3(0.5f,0.5f,1.0f);  
	palette[15] = make_float3(1.0f,0.5f,0.0f);  	
	palette[16] = make_float3(1.0f,0.5f,0.5f);  
	palette[17] = make_float3(1.0f,0.5f,1.0f);  
	palette[18] = make_float3(0.0f,1.0f,0.0f);  	
	palette[19] = make_float3(0.0f,1.0f,0.5f);  	
	palette[20] = make_float3(0.0f,1.0f,1.0f);  	
	palette[21] = make_float3(0.5f,1.0f,0.0f);  	
	palette[22] = make_float3(0.5f,1.0f,0.5f);  
	palette[23] = make_float3(0.5f,1.0f,1.0f);  
	palette[24] = make_float3(1.0f,1.0f,0.0f);  	
	palette[25] = make_float3(1.0f,1.0f,0.5f);
	palette[26] = make_float3(1.0f,1.0f,1.0f);
	
	float3 color = make_float3(0.0f,0.0f,0.0f);
	
	float iTime = _tex2D(p_TexR, 500, 500) / 24.0f;
	float X = (float)p_X;
	float Y = (float)(p_Height - p_Y);
	float2 resolution = make_float2((float)p_Width, (float)p_Height);
	float2 uv = make_float2(X / resolution.x, Y / resolution.y);
	
	if (uv.y < 1.0f && uv.y > 0.25f) color = getcolor(uv.x * 27.0f + iTime * 0.5f);
	
	return color;
}