From 3b25d2d535fc6b040b8ba39d666c8f41fc23b67d Mon Sep 17 00:00:00 2001
From: mcrcortex <18544518+MCRcortex@users.noreply.github.com>
Date: Thu, 5 Dec 2024 00:28:06 +1000
Subject: [PATCH] Fix postprocessing being weird

---
 .../voxy/client/core/rendering/post/PostProcessing.java       | 3 +++
 .../assets/voxy/shaders/post/blit_texture_depth_cutout.frag   | 4 ++++
 src/main/resources/assets/voxy/shaders/post/ssao.comp         | 2 +-
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/main/java/me/cortex/voxy/client/core/rendering/post/PostProcessing.java b/src/main/java/me/cortex/voxy/client/core/rendering/post/PostProcessing.java
index 0b150799..cf6ec1d8 100644
--- a/src/main/java/me/cortex/voxy/client/core/rendering/post/PostProcessing.java
+++ b/src/main/java/me/cortex/voxy/client/core/rendering/post/PostProcessing.java
@@ -108,6 +108,9 @@ public class PostProcessing {
 
         this.setSize(width, height);
         glBindFramebuffer(GL_FRAMEBUFFER, this.framebuffer.id);
+
+        //glClearColor(0,0,0,0);//TODO: RESTORE THIS TO THE ORIGINAL VALUE
+
         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
         glBlitNamedFramebuffer(sourceFB, this.framebuffer.id, 0,0, width, height, 0,0, width, height, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
 
diff --git a/src/main/resources/assets/voxy/shaders/post/blit_texture_depth_cutout.frag b/src/main/resources/assets/voxy/shaders/post/blit_texture_depth_cutout.frag
index 11727125..805e43ca 100644
--- a/src/main/resources/assets/voxy/shaders/post/blit_texture_depth_cutout.frag
+++ b/src/main/resources/assets/voxy/shaders/post/blit_texture_depth_cutout.frag
@@ -24,6 +24,10 @@ void main() {
     }
 
     float depth = texture(depthTex, UV.xy).r;
+    if (depth == 0.0f) {
+        discard;
+    }
+
     depth = projDepth(rev3d(vec3(UV.xy, depth)));
     depth = min(1.0f-(2.0f/((1<<24)-1)), depth);
     depth = depth * 0.5f + 0.5f;
diff --git a/src/main/resources/assets/voxy/shaders/post/ssao.comp b/src/main/resources/assets/voxy/shaders/post/ssao.comp
index e291e1c9..61c0bf2c 100644
--- a/src/main/resources/assets/voxy/shaders/post/ssao.comp
+++ b/src/main/resources/assets/voxy/shaders/post/ssao.comp
@@ -53,7 +53,7 @@ void main() {
     point += scale*0.5f;//Offset to the center of the textile
     float depth = texture(depthTex, point).r;
     vec4 ocolour = vec4(0);
-    if (depth < 1.0f) {
+    if (depth!=0.0f && depth < 1.0f) {
         vec4 colour = texture(colourTex, point);
         if (colour == vec4(0.0f, 0.0f, 0.0f, 0.0f)) {
             ocolour = vec4(1.0f, 0.0f, 0.0f, 1.0f);