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Add a debanding property to Viewport

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It can be enabled in the Project Settings
(`rendering/quality/screen_filters/use_debanding`). It's disabled
by default as it has a small performance impact and can make
PNG screenshots much larger (due to how dithering works).
It will also slightly brighten the scene's dark areas.

As a result, it should be enabled only when banding is noticeable enough.

This closes #17006.
This commit is contained in:
Hugo Locurcio
2020-04-20 23:34:47 +02:00
parent aded76cb84
commit 8891579068
16 changed files with 82 additions and 14 deletions
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4
servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp
View File

@@ -5250,6 +5250,7 @@ void RasterizerSceneRD::_render_buffers_post_process_and_tonemap(RID p_render_bu
tonemap.use_fxaa = true;
}
tonemap.use_debanding = rb->use_debanding;
tonemap.texture_size = Vector2i(rb->width, rb->height);
if (env) {
@@ -5618,13 +5619,14 @@ float RasterizerSceneRD::render_buffers_get_volumetric_fog_detail_spread(RID p_r
return rb->volumetric_fog->spread;
}
void RasterizerSceneRD::render_buffers_configure(RID p_render_buffers, RID p_render_target, int p_width, int p_height, RS::ViewportMSAA p_msaa, RenderingServer::ViewportScreenSpaceAA p_screen_space_aa) {
void RasterizerSceneRD::render_buffers_configure(RID p_render_buffers, RID p_render_target, int p_width, int p_height, RS::ViewportMSAA p_msaa, RenderingServer::ViewportScreenSpaceAA p_screen_space_aa, bool p_use_debanding) {
RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers);
rb->width = p_width;
rb->height = p_height;
rb->render_target = p_render_target;
rb->msaa = p_msaa;
rb->screen_space_aa = p_screen_space_aa;
rb->use_debanding = p_use_debanding;
_free_render_buffer_data(rb);
{