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Add support for contrast-adaptive sharpening in 3D (GLES3 only)

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This is an older, easier to implement variant of CAS as a pure
fragment shader. It doesn't support upscaling, but we won't make
use of it (at least for now).

The sharpening intensity can be adjusted on a per-Viewport basis.
For the root viewport, it can be adjusted in the Project Settings.

Since `textureLodOffset()` isn't available in GLES2, there is no
way to support contrast-adaptive sharpening in GLES2.
This commit is contained in:
Hugo Locurcio
2021-03-27 18:58:12 +01:00
parent 296608460b
commit a9c0c5484f
23 changed files with 159 additions and 6 deletions
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3
scene/main/scene_tree.cpp
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@@ -2062,6 +2062,9 @@ SceneTree::SceneTree() {
const bool use_debanding = GLOBAL_DEF("rendering/quality/filters/use_debanding", false);
root->set_use_debanding(use_debanding);
const float sharpen_intensity = GLOBAL_GET("rendering/quality/filters/sharpen_intensity");
root->set_sharpen_intensity(sharpen_intensity);
GLOBAL_DEF_RST("rendering/quality/depth/hdr", true);
GLOBAL_DEF("rendering/quality/depth/hdr.mobile", false);