shaders: Add GLSL port of combination shaders.

This includes the DOF and SSAO shaders.

Author: CrossVR

res/gamedata/shaders/gl/combine_1.ps

@@ -0,0 +1,14 @@
+#include "common.h"
+#include "iostructs\v_combine.h"
+#line 4 2
+//////////////////////////////////////////////////////////////////////////////////////////
+// Vertex
+v2p _main ( _in I )
+{
+	v2p 		O;
+	O.hpos 		= float4	(I.P.x, -I.P.y, 0, 1);
+	float  	scale 	= texelFetch(s_tonemap,int2(0,0),0).x;
+	O.tc0		= float4	(I.P.zw, scale, scale);
+	O.tcJ		= I.tcJ;
+ 	return	O;
+}

res/gamedata/shaders/gl/combine_1.vs

@@ -3,19 +3,11 @@
 
 #include "shared\common.h"
 
-// TODO: OGL: Move to cbuffers
-uniform half4                hemi_cube_pos_faces;
-uniform half4                hemi_cube_neg_faces;
-uniform half4                L_material;                            // 0,0,0,mid
-uniform half4                Ldynamic_color;                      // dynamic light color (rgb1)        - spot/point
-uniform half4                Ldynamic_pos;                       // dynamic light pos+1/range(w) - spot/point
-uniform half4                Ldynamic_dir;                        // dynamic light direction         - sun
-
 #include "common_defines.h"
 #include "common_policies.h"
 #include "common_iostructs.h"
 #include "common_samplers.h"
-//include "common_cbuffers.h"
+#include "common_cbuffers.h"
 #include "common_functions.h"
 
 // #define USE_SUPER_SPECULAR