Improve shader logs

source/openfl/display/GraphicsShader.hx

@@ -0,0 +1,89 @@
+package openfl.display;
+
+import openfl.utils.ByteArray;
+
+#if !openfl_debug
+@:fileXml('tags="haxe,release"')
+@:noDebug
+#end
+class GraphicsShader extends Shader
+{
+	@:glVertexHeader("attribute float openfl_Alpha;
+attribute vec4 openfl_ColorMultiplier;
+attribute vec4 openfl_ColorOffset;
+attribute vec4 openfl_Position;
+attribute vec2 openfl_TextureCoord;
+
+varying float openfl_Alphav;
+varying vec4 openfl_ColorMultiplierv;
+varying vec4 openfl_ColorOffsetv;
+varying vec2 openfl_TextureCoordv;
+
+uniform mat4 openfl_Matrix;
+uniform bool openfl_HasColorTransform;
+uniform vec2 openfl_TextureSize;")
+	@:glVertexBody("openfl_Alphav = openfl_Alpha;
+openfl_TextureCoordv = openfl_TextureCoord;
+
+if (openfl_HasColorTransform) {
+	openfl_ColorMultiplierv = openfl_ColorMultiplier;
+	openfl_ColorOffsetv = openfl_ColorOffset / 255.0;
+}
+
+gl_Position = openfl_Matrix * openfl_Position;")
+	@:glVertexSource("#pragma header
+
+void main(void) {
+	#pragma body
+}")
+	@:glFragmentHeader("varying float openfl_Alphav;
+varying vec4 openfl_ColorMultiplierv;
+varying vec4 openfl_ColorOffsetv;
+varying vec2 openfl_TextureCoordv;
+
+uniform bool openfl_HasColorTransform;
+uniform vec2 openfl_TextureSize;
+uniform sampler2D bitmap;")
+	@:glFragmentBody("vec4 color = texture2D (bitmap, openfl_TextureCoordv);
+
+if (color.a == 0.0) {
+	gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0);
+} else if (openfl_HasColorTransform) {
+	color = vec4(color.rgb / color.a, color.a);
+
+	mat4 colorMultiplier = mat4(0);
+	colorMultiplier[0][0] = openfl_ColorMultiplierv.x;
+	colorMultiplier[1][1] = openfl_ColorMultiplierv.y;
+	colorMultiplier[2][2] = openfl_ColorMultiplierv.z;
+	colorMultiplier[3][3] = 1.0; // openfl_ColorMultiplierv.w;
+
+	color = clamp(openfl_ColorOffsetv + (color * colorMultiplier), 0.0, 1.0);
+
+	if (color.a > 0.0) {
+		gl_FragColor = vec4(color.rgb * color.a * openfl_Alphav, color.a * openfl_Alphav);
+	} else {
+		gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0);
+	}
+} else {
+	gl_FragColor = color * openfl_Alphav;
+}")
+	#if emscripten
+	@:glFragmentSource("#pragma header
+
+void main(void) {
+	#pragma body
+
+	gl_FragColor = gl_FragColor.bgra;
+}")
+	#else
+	@:glFragmentSource("#pragma header
+
+void main(void) {
+	#pragma body
+}")
+	#end
+	public function new(code:ByteArray = null)
+	{
+		super(code);
+	}
+}