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enable up to 6 spot shadows

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This is a trivial change since we moved the lightspace computation
in the fragment shader. The limitation to 6 is due to how we're storing
the culling result.
This commit is contained in:
Mathias Agopian
2021-07-07 17:19:42 -07:00
committed by Mathias Agopian
parent 4a1edc4281
commit 2d7de6ecc0
1 changed files with 3 additions and 4 deletions
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libs/filabridge/include/private/filament/EngineEnums.h
+3 -4
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@@ -55,10 +55,9 @@ constexpr size_t CONFIG_MAX_LIGHT_COUNT = 256;
constexpr size_t CONFIG_MAX_LIGHT_INDEX = CONFIG_MAX_LIGHT_COUNT - 1;
// The maximum number of spot lights in a scene that can cast shadows.
// Light space coordinates are computed in the vertex shader and interpolated across fragments.
// Thus, each additional shadow-casting spot light adds 4 additional varying components. Higher
// values may cause the number of varyings to exceed the driver limit.
constexpr size_t CONFIG_MAX_SHADOW_CASTING_SPOTS = 2;
// There is currently a limit to 6 spot shadow due to how we store the culling result
// (see View.h).
constexpr size_t CONFIG_MAX_SHADOW_CASTING_SPOTS = 6;
// The maximum number of shadow cascades that can be used for directional lights.
constexpr size_t CONFIG_MAX_SHADOW_CASCADES = 4;