stuff

modules/wallpaper-engine/shaders/combine_hdr_editor.frag

@@ -0,0 +1,19 @@
+
+varying vec2 v_TexCoord;
+
+uniform sampler2D g_Texture0;
+
+uniform vec2 g_TexelSize;
+
+// Proper gamma conversion http://chilliant.blogspot.com/2012/08/srgb-approximations-for-hlsl.html
+vec3 srgb(vec3 v)
+{
+	vec3 c = step(0.04045, v);
+	return c * (pow((v + 0.055) / 1.055, 2.4)) + (1 - c) * (v / 12.92);
+}
+
+void main()
+{
+	vec3 albedo = texSample2D(g_Texture0, v_TexCoord).rgb;
+	gl_FragColor = vec4(srgb(saturate(albedo)), 1.0);
+}