Initial commit

data/shaders/texture_blend.fragment

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+// __multiversion__
+// This signals the loading code to prepend either #version 100 or #version 300 es as apropriate.
+
+// To use centroid sampling we need to have version 300 es shaders, which requires changing:
+// attribute to in
+// varying to out when in vertex shaders or in when in fragment shaders
+// defining an out vec4 FragColor and replacing uses of gl_FragColor with FragColor
+// texture2D to texture
+#if __VERSION__ >= 300
+
+// version 300 code
+
+#ifdef MSAA_FRAMEBUFFER_ENABLED
+#define _centroid centroid
+#else
+#define _centroid
+#endif
+
+_centroid in vec2 uv;
+_centroid in vec2 uv1;
+
+#define varying in
+#define texture2D texture
+out vec4 FragColor;
+#define gl_FragColor FragColor
+
+#else
+
+// version 100 code
+varying vec2 uv;
+varying vec2 uv1;
+
+#endif
+
+uniform sampler2D TEXTURE_0;
+uniform vec4 CURRENT_COLOR;
+
+void main()
+{
+	vec4 color = texture2D( TEXTURE_0, uv );
+	vec4 color1 = texture2D( TEXTURE_0, uv1 );
+
+	if (color.a < 0.01)
+	{
+		color = color1;
+	}
+	else if (color.b > 0.01) {
+		color = mix(color, color1, CURRENT_COLOR.a);
+	}
+
+	gl_FragColor = color;
+}