1 files changed, 16 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_image_depth_linear_frag.glsl b/source/blender/gpu/shaders/gpu_shader_image_depth_linear_frag.glsl
new file mode 100644
index 00000000000..bcbe1f577fd
--- /dev/null
+++ b/source/blender/gpu/shaders/gpu_shader_image_depth_linear_frag.glsl
@@ -0,0 +1,16 @@
+
+in vec2 texCoord_interp;
+out vec4 fragColor;
+
+uniform float znear;
+uniform float zfar;
+uniform sampler2D image;
+
+void main()
+{
+	float depth = texture(image, texCoord_interp).r;
+
+	/* normalize */
+	fragColor.rgb = vec3((2.0f * znear) / (zfar + znear - (depth * (zfar - znear))));
+	fragColor.a = 1.0f;
+}