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Implement occlusion culling

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Added an occlusion culling system with support for static occluder meshes.
It can be enabled via `Project Settings > Rendering > Occlusion Culling > Use Occlusion Culling`.

Occluders are defined via the new `Occluder3D` resource and instanced using the new
`OccluderInstance3D` node. The occluders can also be automatically baked from a
scene using the built-in editor plugin.
This commit is contained in:
jfons
2021-04-20 18:40:24 +02:00
parent 34b3e8f9e2
commit 4d9d99bb82
50 changed files with 3138 additions and 47 deletions
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20
servers/rendering_server.h
View File

@ -713,6 +713,11 @@ public:
virtual void camera_set_camera_effects(RID p_camera, RID p_camera_effects) = 0;
virtual void camera_set_use_vertical_aspect(RID p_camera, bool p_enable) = 0;
/* OCCLUDER API */
virtual RID occluder_create() = 0;
virtual void occluder_set_mesh(RID p_occluder, const PackedVector3Array &p_vertices, const PackedInt32Array &p_indices) = 0;
/* VIEWPORT TARGET API */
enum CanvasItemTextureFilter {
@ -826,6 +831,17 @@ public:
virtual void viewport_set_lod_threshold(RID p_viewport, float p_pixels) = 0;
virtual void viewport_set_use_occlusion_culling(RID p_viewport, bool p_use_debanding) = 0;
virtual void viewport_set_occlusion_rays_per_thread(int p_rays_per_thread) = 0;
enum ViewportOcclusionCullingBuildQuality {
VIEWPORT_OCCLUSION_BUILD_QUALITY_LOW = 0,
VIEWPORT_OCCLUSION_BUILD_QUALITY_MEDIUM = 1,
VIEWPORT_OCCLUSION_BUILD_QUALITY_HIGH = 2,
};
virtual void viewport_set_occlusion_culling_build_quality(ViewportOcclusionCullingBuildQuality p_quality) = 0;
enum ViewportRenderInfo {
VIEWPORT_RENDER_INFO_OBJECTS_IN_FRAME,
VIEWPORT_RENDER_INFO_VERTICES_IN_FRAME,
@ -862,6 +878,7 @@ public:
VIEWPORT_DEBUG_DRAW_CLUSTER_SPOT_LIGHTS,
VIEWPORT_DEBUG_DRAW_CLUSTER_DECALS,
VIEWPORT_DEBUG_DRAW_CLUSTER_REFLECTION_PROBES,
VIEWPORT_DEBUG_DRAW_OCCLUDERS,
};
virtual void viewport_set_debug_draw(RID p_viewport, ViewportDebugDraw p_draw) = 0;
@ -1109,6 +1126,7 @@ public:
INSTANCE_DECAL,
INSTANCE_GI_PROBE,
INSTANCE_LIGHTMAP,
INSTANCE_OCCLUDER,
INSTANCE_MAX,
INSTANCE_GEOMETRY_MASK = (1 << INSTANCE_MESH) | (1 << INSTANCE_MULTIMESH) | (1 << INSTANCE_IMMEDIATE) | (1 << INSTANCE_PARTICLES)
@ -1147,6 +1165,7 @@ public:
INSTANCE_FLAG_USE_BAKED_LIGHT,
INSTANCE_FLAG_USE_DYNAMIC_GI,
INSTANCE_FLAG_DRAW_NEXT_FRAME_IF_VISIBLE,
INSTANCE_FLAG_IGNORE_OCCLUSION_CULLING,
INSTANCE_FLAG_MAX
};
@ -1505,6 +1524,7 @@ VARIANT_ENUM_CAST(RenderingServer::ViewportMSAA);
VARIANT_ENUM_CAST(RenderingServer::ViewportScreenSpaceAA);
VARIANT_ENUM_CAST(RenderingServer::ViewportRenderInfo);
VARIANT_ENUM_CAST(RenderingServer::ViewportDebugDraw);
VARIANT_ENUM_CAST(RenderingServer::ViewportOcclusionCullingBuildQuality);
VARIANT_ENUM_CAST(RenderingServer::SkyMode);
VARIANT_ENUM_CAST(RenderingServer::EnvironmentBG);
VARIANT_ENUM_CAST(RenderingServer::EnvironmentAmbientSource);