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Disable unsupported SSR, SSS, DoF on transparent viewports

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For technical reasons, transparent viewports cannot support
screen-space reflections, subsurface scattering and depth of field.
Previously, enabling any of these would turn transparent viewports
invisible.
This commit is contained in:
Hugo Locurcio 2025-07-02 17:53:50 +02:00
parent efb40c1524
commit 1c62ba40b7
6 changed files with 25 additions and 4 deletions
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15
servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp
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@ -1820,9 +1820,13 @@ void RenderForwardClustered::_render_scene(RenderDataRD *p_render_data, const Co
using_sdfgi = true;
}
if (environment_get_ssr_enabled(p_render_data->environment)) {
using_separate_specular = true;
using_ssr = true;
color_pass_flags |= COLOR_PASS_FLAG_SEPARATE_SPECULAR;
if (!p_render_data->transparent_bg) {
using_separate_specular = true;
using_ssr = true;
color_pass_flags |= COLOR_PASS_FLAG_SEPARATE_SPECULAR;
} else {
WARN_PRINT_ONCE("Screen-space reflections are not supported in viewports with a transparent background. Disabling SSR in transparent viewport.");
}
}
}
@ -1900,6 +1904,11 @@ void RenderForwardClustered::_render_scene(RenderDataRD *p_render_data, const Co
bool using_sss = rb_data.is_valid() && !is_reflection_probe && scene_state.used_sss && ss_effects->sss_get_quality() != RS::SUB_SURFACE_SCATTERING_QUALITY_DISABLED;
if (using_sss && p_render_data->transparent_bg) {
WARN_PRINT_ONCE("Sub-surface scattering is not supported in viewports with a transparent background. Disabling SSS in transparent viewport.");
using_sss = false;
}
if ((using_sss || ce_needs_separate_specular) && !using_separate_specular) {
using_separate_specular = true;
color_pass_flags |= COLOR_PASS_FLAG_SEPARATE_SPECULAR;