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Fix viewport debanding not working with spatial scalers.

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(cherry picked from commit ec394025f1eef67fa206978bd995a2d300bb04d1)
This commit is contained in:
Allen Pestaluky
2026-01-12 10:24:15 -05:00
committed by Thaddeus Crews
parent 9e7da504a3
commit 2ac6196cfa
1 changed files with 11 additions and 4 deletions
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servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
+11 -4
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@@ -783,9 +783,16 @@ void RendererSceneRenderRD::_render_buffers_post_process_and_tonemap(const Rende
tonemap.debanding_mode = RendererRD::ToneMapper::TonemapSettings::DebandingMode::DEBANDING_MODE_DISABLED;
if (rb->get_use_debanding() && !using_hdr) {
if (!can_use_storage && (use_smaa || spatial_upscaler)) {
tonemap.debanding_mode = RendererRD::ToneMapper::TonemapSettings::DebandingMode::DEBANDING_MODE_10_BIT;
} else if (!(use_smaa || spatial_upscaler)) {
if (use_smaa) {
// SMAA will apply 8-bit debanding.
if (!can_use_storage) {
// When can_use_storage is false, the intermediate destination buffer will be 10 bit, so
// additional tonemap debanding is needed.
// This stage of debanding is especially needed for glow effects.
tonemap.debanding_mode = RendererRD::ToneMapper::TonemapSettings::DebandingMode::DEBANDING_MODE_10_BIT;
}
} else {
// The final destination buffer of this viewport will be 8-bit integer, so match that format.
tonemap.debanding_mode = RendererRD::ToneMapper::TonemapSettings::DebandingMode::DEBANDING_MODE_8_BIT;
}
}
@@ -950,7 +957,7 @@ void RendererSceneRenderRD::_post_process_subpass(RID p_source_texture, RID p_fr
tonemap.luminance_multiplier = rb->get_luminance_multiplier();
tonemap.view_count = rb->get_view_count();
if (rb->get_use_debanding()) {
if (rb->get_use_debanding() && !using_hdr) {
tonemap.debanding_mode = RendererRD::ToneMapper::TonemapSettings::DebandingMode::DEBANDING_MODE_8_BIT;
} else {
tonemap.debanding_mode = RendererRD::ToneMapper::TonemapSettings::DebandingMode::DEBANDING_MODE_DISABLED;