diff --git a/editor/assets/effects/pipeline/post-process/color-grading.effect b/editor/assets/effects/pipeline/post-process/color-grading.effect
index 88eefd6ee33..38195b66a06 100644
--- a/editor/assets/effects/pipeline/post-process/color-grading.effect
+++ b/editor/assets/effects/pipeline/post-process/color-grading.effect
@@ -8,6 +8,11 @@ CCEffect %{
       pass: color-grading-nx1
       rasterizerState: &rasterizerState
         cullMode: none
+      blendState: &blendState
+        targets:
+          - blend: false
+            blendSrc: one
+            blendDst: zero
       depthStencilState: &depthStencilState
         depthTest: false
         depthWrite: false
@@ -16,6 +21,7 @@ CCEffect %{
       pass: color-grading-8x8
       rasterizerState: *rasterizerState
       depthStencilState: *depthStencilState
+      blendState: *blendState
 }%
 
 CCProgram ubo %{
@@ -35,8 +41,6 @@ CCProgram color-grading-vs %{
 
 CCProgram color-grading-nx1-fs %{
   precision highp float;
-  #include <common/color/gamma>
-  #include <common/color/tone-mapping>
   #include <ubo>
   in vec2 v_uv;
 
@@ -58,20 +62,13 @@ CCProgram color-grading-nx1-fs %{
   layout(location = 0) out vec4 fragColor;
   void main () {
     vec4 sceneColor = texture(sceneColorMap, v_uv);
-    // (Tone mapping + gamma correction) + Color grading
-    #if CC_USE_FLOAT_OUTPUT
-      sceneColor.rgb = HDRToLDR(sceneColor.rgb);
-      sceneColor.rgb = LinearToSRGB(sceneColor.rgb);
-    #endif
     vec3 gradeColor = ColorGrading(colorGradingMap, sceneColor.rgb);
-    fragColor = mix(sceneColor, vec4(gradeColor, sceneColor.a), contribute);
+    fragColor = mix(sceneColor, vec4(gradeColor, 1.0), contribute);
   }
 }%
 
 CCProgram color-grading-8x8-fs %{
   precision highp float;
-  #include <common/color/gamma>
-  #include <common/color/tone-mapping>
   #include <ubo>
   in vec2 v_uv;
   #define EPS 0.000001
@@ -79,23 +76,18 @@ CCProgram color-grading-8x8-fs %{
   #define SIZE 512.0
   layout(location = 0) out vec4 fragColor;
   void main () {
-    vec4 origColor = texture(sceneColorMap, v_uv);
-    // (Tone mapping + gamma correction) + Color grading
-    #if CC_USE_FLOAT_OUTPUT
-      origColor.rgb = HDRToLDR(origColor.rgb);
-      origColor.rgb = LinearToSRGB(origColor.rgb);
-    #endif
-    float bValue = (origColor.b * 255.0) / 4.0;
+    vec3 orgColor = texture(sceneColorMap, v_uv).rgb;
+    float bValue = (orgColor.b * 255.0) / 4.0;
     vec2 mulB = clamp(floor(bValue) + vec2(0.0, 1.0), 0.0, 63.0);
     vec2 row = floor(mulB / 8.0 + EPS);
     vec4 row_col = vec4(row, mulB - row * 8.0);
-    vec4 lookup = origColor.ggrr * (63.0 / SIZE) + row_col * (TOTAL / SIZE) + (0.5 / SIZE);
+    vec4 lookup = orgColor.ggrr * (63.0 / SIZE) + row_col * (TOTAL / SIZE) + (0.5 / SIZE);
 
     float b1w = bValue - mulB.x;
 
     vec3 sampled1 = texture(colorGradingMap, lookup.zx).rgb;
     vec3 sampled2 = texture(colorGradingMap, lookup.wy).rgb;
 
-    fragColor = vec4(mix(origColor.rgb, mix(sampled1, sampled2, b1w), contribute), origColor.a);
+    fragColor = vec4(mix(orgColor, mix(sampled1, sampled2, b1w), contribute), 1.0);
   }
 }%
diff --git a/editor/assets/effects/pipeline/post-process/fsr.effect b/editor/assets/effects/pipeline/post-process/fsr.effect
index 1b0e5766334..5a088ede8c5 100644
--- a/editor/assets/effects/pipeline/post-process/fsr.effect
+++ b/editor/assets/effects/pipeline/post-process/fsr.effect
@@ -11,6 +11,11 @@ CCEffect %{
       depthStencilState:
         depthTest: false
         depthWrite: false
+      blendState:
+        targets:
+        - blend: true
+          blendSrc: one
+          blendDst: zero
     - vert: vs
       frag: fs-rcas
       pass: post-process
@@ -19,6 +24,11 @@ CCEffect %{
       depthStencilState:
         depthTest: false
         depthWrite: false
+      blendState:
+        targets:
+        - blend: true
+          blendSrc: one
+          blendDst: zero
 }%