2 files changed, 1 insertions, 7 deletions
diff --git a/source/blender/draw/engines/gpencil/shaders/gpencil_depth_merge_frag.glsl b/source/blender/draw/engines/gpencil/shaders/gpencil_depth_merge_frag.glsl
index 71597197bd8..2f711f6a2c5 100644
--- a/source/blender/draw/engines/gpencil/shaders/gpencil_depth_merge_frag.glsl
+++ b/source/blender/draw/engines/gpencil/shaders/gpencil_depth_merge_frag.glsl
@@ -1,13 +1,10 @@
 
 uniform sampler2D depthBuf;
-uniform float strokeDepth2d;
 uniform bool strokeOrder3d;
 
-noperspective in vec4 uvcoordsvar;
-
 void main()
 {
-  float depth = textureLod(depthBuf, uvcoordsvar.xy, 0).r;
+  float depth = textureLod(depthBuf, gl_FragCoord.xy / vec2(textureSize(depthBuf, 0)), 0).r;
   if (strokeOrder3d) {
     gl_FragDepth = depth;
   }
diff --git a/source/blender/draw/engines/gpencil/shaders/gpencil_depth_merge_vert.glsl b/source/blender/draw/engines/gpencil/shaders/gpencil_depth_merge_vert.glsl
index 1e5a900f486..0c5260a9ec4 100644
--- a/source/blender/draw/engines/gpencil/shaders/gpencil_depth_merge_vert.glsl
+++ b/source/blender/draw/engines/gpencil/shaders/gpencil_depth_merge_vert.glsl
@@ -1,8 +1,6 @@
 
 uniform vec4 gpModelMatrix[4];
 
-noperspective out vec4 uvcoordsvar;
-
 void main()
 {
   mat4 model_matrix = mat4(gpModelMatrix[0], gpModelMatrix[1], gpModelMatrix[2], gpModelMatrix[3]);
@@ -10,5 +8,4 @@ void main()
   float x = -1.0 + float((v & 1) << 2);
   float y = -1.0 + float((v & 2) << 1);
   gl_Position = ViewProjectionMatrix * (model_matrix * vec4(x, y, 0.0, 1.0));
-  uvcoordsvar = vec4((gl_Position.xy / gl_Position.w + 1.0) * 0.5, 0.0, 0.0);
 }