Added initial engine

res/shaders/s2t/frag.gls

@@ -0,0 +1,21 @@
+#version 330 core
+
+uniform sampler2D sampler;
+
+uniform vec4  iColor = vec4(1, 1, 1, 1);
+uniform float alpha  = 1;
+uniform float amount = 1;
+
+in vec2 texCoords;
+
+out vec4 color;
+
+void main() {
+	vec4 texColor = texture(sampler, texCoords);
+	if(texColor.a == 0)
+		discard;
+	else {
+		color = mix(iColor, texColor, amount);
+		color.a = color.a * alpha;
+	}
+}

res/shaders/s2t/vert.gls

@@ -0,0 +1,13 @@
+#version 330 core
+
+uniform mat4 mvp;
+
+layout (location = 0) in vec3 vertices;
+layout (location = 1) in vec2 itexCoords;
+
+out vec2 texCoords;
+
+void main() {
+	texCoords = itexCoords;
+	gl_Position = mvp * vec4(vertices, 1);
+}