init commit

example.shd

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+property {
+	mix_amount : float;
+	projection : float4x4; @camera_projection
+	view	   : float4x4; @camera_view
+}
+
+PSInput :: struct {
+	position : @position
+	normal   : @normal
+	light_view_position : @extra // TEXCOORD3?
+	frag_pos : @extra // TEXCOORD4?
+}
+
+PSOutput :: struct {
+	color    : float4; @target0;
+	emission : float4; @target1;
+}
+
+vertex main :: (position : float3 @position, uv : float2 @uv, normal : float3 @normal) -> PSInput {
+	ps_input : PSInput;
+	  
+	return ps_input;
+}
+
+pixel main :: (input : PSInput) -> float4 {
+	ps_out : PSOutput;
+
+	return ps_out;
+}