Update #18 - Final release, added PBR shaders

sources/resources/assets/eagler/glsl/deferred/deferred_shadow.fsh

@@ -0,0 +1,59 @@
+#line 2
+
+/*
+ * Copyright (c) 2023 LAX1DUDE. All Rights Reserved.
+ * 
+ * WITH THE EXCEPTION OF PATCH FILES, MINIFIED JAVASCRIPT, AND ALL FILES
+ * NORMALLY FOUND IN AN UNMODIFIED MINECRAFT RESOURCE PACK, YOU ARE NOT ALLOWED
+ * TO SHARE, DISTRIBUTE, OR REPURPOSE ANY FILE USED BY OR PRODUCED BY THE
+ * SOFTWARE IN THIS REPOSITORY WITHOUT PRIOR PERMISSION FROM THE PROJECT AUTHOR.
+ * 
+ * NOT FOR COMMERCIAL OR MALICIOUS USE
+ * 
+ * (please read the 'LICENSE' file this repo's root directory for more info) 
+ * 
+ */
+
+#if !defined(COMPILE_ENABLE_ALPHA_TEST) && !defined(COMPILE_COLORED_SHADOWS)
+#undef COMPILE_ENABLE_TEXTURE2D
+#endif
+
+#ifdef COMPILE_COLORED_SHADOWS
+layout(location = 0) out vec4 output4f;
+uniform vec4 u_color4f;
+#endif
+
+#ifdef COMPILE_ENABLE_TEXTURE2D
+uniform sampler2D u_samplerTexture;
+#ifdef COMPILE_TEXTURE_ATTRIB
+in vec2 v_texture2f;
+#else
+uniform vec2 u_textureCoords01;
+#endif
+#ifdef COMPILE_ENABLE_ALPHA_TEST
+uniform float u_alphaTestRef1f;
+#endif
+#endif
+
+void main() {
+#ifdef COMPILE_COLORED_SHADOWS
+	vec4 color = u_color4f;
+#else
+	vec4 color = vec4(1.0);
+#endif
+
+#ifdef COMPILE_ENABLE_TEXTURE2D
+#ifdef COMPILE_TEXTURE_ATTRIB
+	color *= texture(u_samplerTexture, v_texture2f);
+#else
+	color *= texture(u_samplerTexture, u_textureCoords01);
+#endif
+#ifdef COMPILE_ENABLE_ALPHA_TEST
+	if(color.a < u_alphaTestRef1f) discard;
+#endif
+#endif
+
+#ifdef COMPILE_COLORED_SHADOWS
+	output4f = vec4(mix(vec3(1.0), color.rgb, color.a), color.a);
+#endif
+}