Renaming of servers for coherency.

VisualServer -> RenderingServer
PhysicsServer -> PhysicsServer3D
Physics2DServer -> PhysicsServer2D
NavigationServer -> NavigationServer3D
Navigation2DServer -> NavigationServer2D

Also renamed corresponding files.

servers/rendering/rasterizer_rd/shaders/blur_inc.glsl

@@ -0,0 +1,35 @@
+#define FLAG_HORIZONTAL (1 << 0)
+#define FLAG_USE_BLUR_SECTION (1 << 1)
+#define FLAG_USE_ORTHOGONAL_PROJECTION (1 << 2)
+#define FLAG_DOF_NEAR_FIRST_TAP (1 << 3)
+#define FLAG_GLOW_FIRST_PASS (1 << 4)
+#define FLAG_FLIP_Y (1 << 5)
+#define FLAG_COPY_FORCE_LUMINANCE (1 << 6)
+
+layout(push_constant, binding = 1, std430) uniform Blur {
+	vec4 section;
+	vec2 pixel_size;
+	uint flags;
+	uint pad;
+	// Glow.
+	float glow_strength;
+	float glow_bloom;
+	float glow_hdr_threshold;
+	float glow_hdr_scale;
+	float glow_exposure;
+	float glow_white;
+	float glow_luminance_cap;
+	float glow_auto_exposure_grey;
+	// DOF.
+	float dof_begin;
+	float dof_end;
+	float dof_radius;
+	float dof_pad;
+
+	vec2 dof_dir;
+	float camera_z_far;
+	float camera_z_near;
+
+	vec4 ssao_color;
+}
+blur;