timecycle; some rendering

src/extras/shaders/scale_PS.hlsl

@@ -0,0 +1,19 @@
+struct VS_out {
+	float4 Position		: POSITION;
+	float3 TexCoord0	: TEXCOORD0;
+	float4 Color		: COLOR0;
+};
+
+sampler2D tex0 : register(s0);
+
+float4 fogColor : register(c0);
+float4 colorscale : register(c1);
+
+float4 main(VS_out input) : COLOR
+{
+	float4 color = input.Color;
+	color *= tex2D(tex0, input.TexCoord0.xy);
+	color *= colorscale;
+	color.rgb = lerp(fogColor.rgb, color.rgb, input.TexCoord0.z);
+	return color;
+}