diff --git a/source/blender/gpu/metal/mtl_shader_generator.mm b/source/blender/gpu/metal/mtl_shader_generator.mm
index 9621cf3db69..73792bd1ff7 100644
--- a/source/blender/gpu/metal/mtl_shader_generator.mm
+++ b/source/blender/gpu/metal/mtl_shader_generator.mm
@@ -3113,6 +3113,14 @@ std::string MSLGeneratorInterface::generate_msl_fragment_input_population()
         << this->vertex_output_varyings[0].name << ";" << std::endl;
   }
 
+  /* Assign default gl_FragDepth.
+   * If gl_FragDepth is used, it should default to the original depth value. Resolves #107159 where
+   * overlay_wireframe_frag may not write to gl_FragDepth. */
+  if (this->uses_gl_FragDepth) {
+    out << "\t" << shader_stage_inst_name << ".gl_FragDepth = " << shader_stage_inst_name
+        << ".gl_FragCoord.z;" << std::endl;
+  }
+
   /* NOTE: We will only assign to the intersection of the vertex output and fragment input.
    * Fragment input represents varying variables which are declared (but are not necessarily
    * used). The Vertex out defines the set which is passed into the fragment shader, which
diff --git a/source/blender/gpu/metal/mtl_texture.mm b/source/blender/gpu/metal/mtl_texture.mm
index 37a289af705..bf88495b90b 100644
--- a/source/blender/gpu/metal/mtl_texture.mm
+++ b/source/blender/gpu/metal/mtl_texture.mm
@@ -1551,7 +1551,7 @@ void gpu::MTLTexture::read_internal(int mip,
           MTLComputeState &cs = ctx->main_command_buffer.get_compute_state();
           cs.bind_pso(pso);
           cs.bind_compute_bytes(&params, sizeof(params), 0);
-          cs.bind_compute_buffer(destination_buffer, 0, 1);
+          cs.bind_compute_buffer(destination_buffer, 0, 1, true);
           cs.bind_compute_texture(read_texture, 0);
           [compute_encoder dispatchThreads:MTLSizeMake(width, height, 1) /* Width, Height, Layer */
                      threadsPerThreadgroup:MTLSizeMake(8, 8, 1)];
@@ -1601,7 +1601,7 @@ void gpu::MTLTexture::read_internal(int mip,
           MTLComputeState &cs = ctx->main_command_buffer.get_compute_state();
           cs.bind_pso(pso);
           cs.bind_compute_bytes(&params, sizeof(params), 0);
-          cs.bind_compute_buffer(destination_buffer, 0, 1);
+          cs.bind_compute_buffer(destination_buffer, 0, 1, true);
           cs.bind_compute_texture(read_texture, 0);
           [compute_encoder
                     dispatchThreads:MTLSizeMake(width, height, depth) /* Width, Height, Layer */