From 7d30aed62d20480692eb8c0aab042513b31e5d9a Mon Sep 17 00:00:00 2001
From: Emmanouil Papadeas <35376950+OverloadedOrama@users.noreply.github.com>
Date: Tue, 30 Jul 2024 18:29:01 +0300
Subject: [PATCH] Fix some image effects resulting in wrong colors when the
 image has non-opaque pixels

---
 src/Shaders/Effects/OffsetPixels.gdshader       | 1 +
 src/Shaders/Effects/Palettize.gdshader          | 1 +
 src/Shaders/Effects/Pixelize.gdshader           | 1 +
 src/Shaders/Effects/Posterize.gdshader          | 1 +
 src/Shaders/Effects/Rotation/OmniScale.gdshader | 1 +
 src/Shaders/Effects/Rotation/cleanEdge.gdshader | 1 +
 6 files changed, 6 insertions(+)

diff --git a/src/Shaders/Effects/OffsetPixels.gdshader b/src/Shaders/Effects/OffsetPixels.gdshader
index b0a3d9501..13ced8740 100644
--- a/src/Shaders/Effects/OffsetPixels.gdshader
+++ b/src/Shaders/Effects/OffsetPixels.gdshader
@@ -1,4 +1,5 @@
 shader_type canvas_item;
+render_mode unshaded;
 
 uniform sampler2D selection : filter_nearest;
 uniform vec2 offset = vec2(0.0); // In pixels
diff --git a/src/Shaders/Effects/Palettize.gdshader b/src/Shaders/Effects/Palettize.gdshader
index 74eb78835..6e6814c10 100644
--- a/src/Shaders/Effects/Palettize.gdshader
+++ b/src/Shaders/Effects/Palettize.gdshader
@@ -1,6 +1,7 @@
 // Maps the color of the input to the nearest color in the selected palette.
 // Similar to Krita's Palettize filter
 shader_type canvas_item;
+render_mode unshaded;
 
 uniform sampler2D palette_texture : filter_nearest;
 uniform sampler2D selection : filter_nearest;
diff --git a/src/Shaders/Effects/Pixelize.gdshader b/src/Shaders/Effects/Pixelize.gdshader
index 88a7efb36..2c3433ac7 100644
--- a/src/Shaders/Effects/Pixelize.gdshader
+++ b/src/Shaders/Effects/Pixelize.gdshader
@@ -5,6 +5,7 @@ https://godotshaders.com/shader/pixelate-2/
 This shader is under MIT license
 */
 shader_type canvas_item;
+render_mode unshaded;
 
 uniform uvec2 pixel_size = uvec2(4);
 uniform sampler2D selection : filter_nearest;
diff --git a/src/Shaders/Effects/Posterize.gdshader b/src/Shaders/Effects/Posterize.gdshader
index 47ef388e9..05d4b38d9 100644
--- a/src/Shaders/Effects/Posterize.gdshader
+++ b/src/Shaders/Effects/Posterize.gdshader
@@ -1,5 +1,6 @@
 // https://godotshaders.com/shader/color-reduction-and-dither/
 shader_type canvas_item;
+render_mode unshaded;
 
 uniform sampler2D selection : filter_nearest;
 uniform float colors : hint_range(1.0, 255.0) = 2.0;
diff --git a/src/Shaders/Effects/Rotation/OmniScale.gdshader b/src/Shaders/Effects/Rotation/OmniScale.gdshader
index 92baeb71f..cdb492aaf 100644
--- a/src/Shaders/Effects/Rotation/OmniScale.gdshader
+++ b/src/Shaders/Effects/Rotation/OmniScale.gdshader
@@ -1,6 +1,7 @@
 // No AA version from https://github.com/deakcor/godot-omniscale/blob/5dfee6e89cd955dd01dccfe70c9979f9b55bb1bf/OmniScale.shader
 // Edited slightly by Overloaded to add rotation support for Pixelorama
 shader_type canvas_item;
+render_mode unshaded;
 
 //#version 130
 
diff --git a/src/Shaders/Effects/Rotation/cleanEdge.gdshader b/src/Shaders/Effects/Rotation/cleanEdge.gdshader
index e71a5fa42..91ae96609 100644
--- a/src/Shaders/Effects/Rotation/cleanEdge.gdshader
+++ b/src/Shaders/Effects/Rotation/cleanEdge.gdshader
@@ -25,6 +25,7 @@ OTHER DEALINGS IN THE SOFTWARE.
 
 
 shader_type canvas_item;
+render_mode unshaded;
 #include "res://src/Shaders/Effects/Rotation/CommonRotation.gdshaderinc"
 //enables 2:1 slopes. otherwise only uses 45 degree slopes
 #define SLOPE