More extension bike shedding.

test/texture_sample.ink

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+p :: properties {
+	texture : Texture2D;
+	sampler : Sampler;
+}
+
+PS_Input :: struct {
+	uv  : float2 @uv;
+	pos : float4 @position;
+}
+
+vertex main :: (pos : float4 @position, uv : float2 @uv) -> PS_Input {
+	result : PS_Input;
+
+	result.uv = uv;
+	result.pos = pos;
+
+	return result;
+}
+
+pixel main :: (input : PS_Input) -> float4 @target {
+	color : float4 = sample(p.texture, input.uv, p.sampler);
+	return color;
+}