updated sample

samples/UniformBuffer.hx

@@ -1,8 +1,42 @@
+class TestShader extends hxsl.Shader {
+
+	static var SRC = {
+
+		@param var colorMatrix : Buffer<Vec4,4>;
+		var pixelColor : Vec4;
+
+		function fragment() {
+			pixelColor *= mat4(colorMatrix[0],colorMatrix[1],colorMatrix[2],colorMatrix[3]);
+			pixelColor.r += 0.1;
+			pixelColor.a = 1;
+		}
+
+	};
+
+}
+
 class UniformBuffer extends hxd.App {
 
+	var hue : Float = 0.;
+	var shader : TestShader;
+
 	override function init() {
+		var bmp = new h2d.Bitmap(h2d.Tile.fromColor(0xFF0000,128,128),s2d);
+		shader = bmp.addShader(new TestShader());
+		shader.colorMatrix = new h3d.Buffer(4,4,[UniformBuffer,Dynamic]);
 	}
 
+	override function update(dt:Float) {
+		hue += dt * 0.1;
+		var m = new h3d.Matrix();
+		m.identity();
+		m.colorHue(hue);
+
+		var buf = new hxd.FloatBuffer();
+		for( v in m.getFloats() )
+			buf.push(v);
+		shader.colorMatrix.uploadVector(buf, 0, 4);
+	}
 
 	static function main() {
 		new UniformBuffer();