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-rw-r--r--servers/rendering/renderer_rd/renderer_scene_gi_rd.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/servers/rendering/renderer_rd/renderer_scene_gi_rd.cpp b/servers/rendering/renderer_rd/renderer_scene_gi_rd.cpp
index b6b5c90b39..26adb07a6c 100644
--- a/servers/rendering/renderer_rd/renderer_scene_gi_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_scene_gi_rd.cpp
@@ -2182,8 +2182,9 @@ void RendererSceneGIRD::VoxelGIInstance::update(bool p_update_light_instances, c
dmap.texture = RD::get_singleton()->texture_create(dtf, RD::TextureView());
if (dynamic_maps.size() == 0) {
- //render depth for first one
- dtf.format = RD::get_singleton()->texture_is_format_supported_for_usage(RD::DATA_FORMAT_D32_SFLOAT, RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) ? RD::DATA_FORMAT_D32_SFLOAT : RD::DATA_FORMAT_X8_D24_UNORM_PACK32;
+ // Render depth for first one.
+ // Use 16-bit depth when supported to improve performance.
+ dtf.format = RD::get_singleton()->texture_is_format_supported_for_usage(RD::DATA_FORMAT_D16_UNORM, RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) ? RD::DATA_FORMAT_D16_UNORM : RD::DATA_FORMAT_X8_D24_UNORM_PACK32;
dtf.usage_bits = RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
dmap.fb_depth = RD::get_singleton()->texture_create(dtf, RD::TextureView());
}