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Jitter shadow map dithering pattern across frames when TAA is enabled

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This improves shadow quality by reducing the visibility of the noisy
pattern caused by dithering.

This jittering also applies when FSR2 is enabled, as it provides its own
form of temporal antialiasing.

Co-authored-by: Clay John <claynjohn@gmail.com>
This commit is contained in:
Hugo Locurcio 2023-05-26 18:32:01 +02:00 • committed by clayjohn
parent 155fcd00b0
commit 0eb06da057
10 changed files with 54 additions and 47 deletions
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3
servers/rendering/renderer_scene_render.h
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@ -307,8 +307,9 @@ public:
Transform3D view_offset[RendererSceneRender::MAX_RENDER_VIEWS];
Projection view_projection[RendererSceneRender::MAX_RENDER_VIEWS];
Vector2 taa_jitter;
float taa_frame_count = 0.0f;
void set_camera(const Transform3D p_transform, const Projection p_projection, bool p_is_orthogonal, bool p_vaspect, const Vector2 &p_taa_jitter = Vector2(), uint32_t p_visible_layers = 0xFFFFFFFF);
void set_camera(const Transform3D p_transform, const Projection p_projection, bool p_is_orthogonal, bool p_vaspect, const Vector2 &p_taa_jitter = Vector2(), float p_taa_frame_count = 0.0f, uint32_t p_visible_layers = 0xFFFFFFFF);
void set_multiview_camera(uint32_t p_view_count, const Transform3D *p_transforms, const Projection *p_projections, bool p_is_orthogonal, bool p_vaspect);
};