From d97f2085f1549a27ea60377581958d54c7273f0e Mon Sep 17 00:00:00 2001
From: GengineJS <476393671@qq.com>
Date: Wed, 13 Nov 2024 15:15:52 +0800
Subject: [PATCH] Fixed a bug with dof under vulkan back end

---
 cocos/render-scene/scene/camera.ts                     | 10 ----------
 .../assets/default_renderpipeline/builtin-pipeline.ts  |  2 +-
 .../assets/effects/pipeline/post-process/dof1.effect   |  5 ++++-
 3 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/cocos/render-scene/scene/camera.ts b/cocos/render-scene/scene/camera.ts
index 8a29b406809..eff16e74171 100644
--- a/cocos/render-scene/scene/camera.ts
+++ b/cocos/render-scene/scene/camera.ts
@@ -767,14 +767,6 @@ export class Camera {
         return this._matView$;
     }
 
-    /**
-     * @en The inverse of the view matrix of the camera
-     * @zh 相机的逆视图矩阵
-     */
-    get matViewInv (): Mat4 {
-        return this._matViewInv$;
-    }
-
     /**
      * @en The projection matrix of the camera
      * @zh 相机的投影矩阵
@@ -843,7 +835,6 @@ export class Camera {
     private _curTransform$ = SurfaceTransform.IDENTITY;
     private _isProjDirty$ = true;
     private _matView$: Mat4 = mat4();
-    private _matViewInv$: Mat4 = mat4();
     private _matProj$: Mat4 = mat4();
     private _matProjInv$: Mat4 = mat4();
     private _matViewProj$: Mat4 = mat4();
@@ -1030,7 +1021,6 @@ export class Camera {
             this._forward$.z = -this._matView$.m10;
             // Remove scale
             Mat4.multiply(this._matView$, new Mat4().scale(this._node$.worldScale), this._matView$);
-            Mat4.invert(this._matViewInv$, this._matView$);
             this._node$.getWorldPosition(this._position$);
             viewProjDirty = true;
         }
diff --git a/editor/assets/default_renderpipeline/builtin-pipeline.ts b/editor/assets/default_renderpipeline/builtin-pipeline.ts
index f08ee3e228e..d0b92895f49 100644
--- a/editor/assets/default_renderpipeline/builtin-pipeline.ts
+++ b/editor/assets/default_renderpipeline/builtin-pipeline.ts
@@ -1064,7 +1064,7 @@ if (rendering) {
             cocPass.setVec4('g_platform', this._configs.platform);
             cocPass.setMat4('proj', camera.matProj);
             cocPass.setMat4('invProj', camera.matProjInv);
-            cocPass.setMat4('viewMatInv', camera.matViewInv);
+            cocPass.setMat4('viewMatInv', camera.node.worldMatrix);
             cocPass.setVec4('cocParams', this._cocParams);
             cocPass.setVec4('focus', this._focusPos);
             cocPass
diff --git a/editor/assets/effects/pipeline/post-process/dof1.effect b/editor/assets/effects/pipeline/post-process/dof1.effect
index f69b89b5e89..33bbcfc4b0f 100644
--- a/editor/assets/effects/pipeline/post-process/dof1.effect
+++ b/editor/assets/effects/pipeline/post-process/dof1.effect
@@ -86,7 +86,10 @@ uniform DofCocUBO {
 void main() {
   vec4 blurPixel = texture(colorTex, v_uv);
   vec4 screenPixel = texture(screenTex, v_uv);
-  float depth = GetDepthFromTex(v_uv) * 2.0 - 1.0;
+  float depth = GetDepthFromTex(v_uv);
+  #if __VERSION__ < 450
+    depth = 2.0 * depth - 1.0;
+  #endif
   vec4 screenPos = vec4(v_uv.x * 2.0 - 1.0, v_uv.y * 2.0 - 1.0, depth, 1.0);
   vec4 viewPos = invProj * screenPos;
   viewPos /= viewPos.w;