initial commit, 4.5 stable

servers/rendering/renderer_rd/shaders/effects/bokeh_dof_inc.glsl

@@ -0,0 +1,42 @@
+layout(push_constant, std430) uniform Params {
+	ivec2 size;
+	float z_far;
+	float z_near;
+
+	bool orthogonal;
+	float blur_size;
+	float blur_scale;
+	int blur_steps;
+
+	bool blur_near_active;
+	float blur_near_begin;
+	float blur_near_end;
+	bool blur_far_active;
+
+	float blur_far_begin;
+	float blur_far_end;
+	bool second_pass;
+	bool half_size;
+
+	bool use_jitter;
+	float jitter_seed;
+	bool use_physical_near;
+	bool use_physical_far;
+
+	float blur_size_near;
+	float blur_size_far;
+	uint pad[2];
+}
+params;
+
+//used to work around downsampling filter
+#define DEPTH_GAP 0.0
+
+const float GOLDEN_ANGLE = 2.39996323;
+
+//note: uniform pdf rand [0;1[
+float hash12n(vec2 p) {
+	p = fract(p * vec2(5.3987, 5.4421));
+	p += dot(p.yx, p.xy + vec2(21.5351, 14.3137));
+	return fract(p.x * p.y * 95.4307);
+}