opengl 3.3 renderer shaders

shaders/mat_stars.frag

@@ -0,0 +1,28 @@
+#include <common>
+#include <tonemapping.glsl>
+
+flat in vec3 f_normal_raw;
+
+layout(location = 0) out vec4 out_color;
+#if MOTIONBLUR_ENABLED
+layout(location = 1) out vec4 out_motion;
+#endif
+
+void main()
+{
+	float x = (gl_PointCoord.x - 0.5f) * 2.0f;
+	float y = (gl_PointCoord.y - 0.5f) * 2.0f;
+	float dist2 = abs(x * x + y * y);
+	if (dist2 > 0.5f * 0.5f)
+		discard;
+	// color data space is shared with normals, ugh
+	vec4 color = vec4(pow(f_normal_raw.rgb, vec3(2.2)), 1.0f);
+#if POSTFX_ENABLED
+    out_color = color;
+#else
+    out_color = tonemap(color);
+#endif
+#if MOTIONBLUR_ENABLED
+	out_motion = vec4(0.0f);
+#endif
+}