shaders: Add GLSL port of editor.

Author: CrossVR

res/gamedata/shaders/gl/editor.vs

@@ -0,0 +1,13 @@
+#include "common.h"
+#include "iostructs\v_editor.h"
+
+uniform float4 		tfactor;
+v2p _main (vf i)
+{
+	v2p 		o;
+
+	o.P 		= mul			(m_WVP, i.P);			// xform, input in world coords
+	o.C 		= tfactor*i.C;
+
+	return o;
+}

res/gamedata/shaders/gl/iostructs/v_editor.h

@@ -0,0 +1,33 @@
+
+out gl_PerVertex { vec4 gl_Position; };
+
+struct vf
+{
+	float4 C	; // COLOR0;
+	float4 P	; // POSITION;
+};
+
+struct v2p
+{
+	float4 C	; // COLOR0;
+	float4 P	; // SV_Position;
+};
+
+layout(location = COLOR0)		in float4 v_editor_C	; // COLOR0;
+layout(location = POSITION)		in float4 v_editor_P	; // POSITION;
+
+layout(location = COLOR0) 		out float4 v2p_editor_C	; // COLOR0;
+
+v2p _main (vf i);
+
+void main()
+{
+	vf			I;
+	I.C			= v_editor_C;
+	I.P			= v_editor_P;
+
+	v2p O 		= _main (I);
+
+	v2p_editor_C = O.C;
+	gl_Position = O.P;
+}