1//************************************ bs::framework - Copyright 2018 Marko Pintera **************************************//
2//*********** Licensed under the MIT license. See LICENSE.md for full terms. This notice is not to be removed. ***********//
3#pragma once
4
5#include "BsRenderBeastPrerequisites.h"
6
7namespace bs { namespace ct
8{
9 /** @addtogroup RenderBeast
10 * @{
11 */
12
13 /** Contains static textures required for various render techniques. */
14 class RendererTextures
15 {
16 public:
17 /** Initializes the renderer textures. Must be called before using the textures. */
18 static void startUp();
19
20 /** Cleans up renderer textures. */
21 static void shutDown();
22
23 /**
24 * 2D 2-channel texture containing a pre-integrated G and F factors of the microfactet BRDF. This is an
25 * approximation used for image based lighting, so we can avoid sampling environment maps for each light. Works in
26 * tandem with the importance sampled reflection cubemaps.
27 *
28 * (u, v) = (NoV, roughness)
29 * (r, g) = (scale, bias)
30 */
31 static SPtr<Texture> preintegratedEnvGF;
32
33 /** Tileable 4x4 texture to be used for randomization in SSAO rendering. */
34 static SPtr<Texture> ssaoRandomization4x4;
35
36 /** Cubemap containing indirect lighting, when no other is available. */
37 static SPtr<Texture> defaultIndirect;
38 };
39
40 /** @} */
41}}