1 files changed, 24 insertions, 0 deletions
diff --git a/source/blender/draw/engines/overlay/shaders/overlay_image_frag.glsl b/source/blender/draw/engines/overlay/shaders/overlay_image_frag.glsl
new file mode 100644
index 00000000000..e0339507e0f
--- /dev/null
+++ b/source/blender/draw/engines/overlay/shaders/overlay_image_frag.glsl
@@ -0,0 +1,24 @@
+#pragma BLENDER_REQUIRE(common_colormanagement_lib.glsl)
+
+void main()
+{
+  vec2 uvs_clamped = clamp(uvs, 0.0, 1.0);
+  vec4 tex_color;
+  tex_color = texture_read_as_linearrgb(imgTexture, imgPremultiplied, uvs_clamped);
+
+  fragColor = tex_color * color;
+
+  if (!imgAlphaBlend) {
+    /* Arbitrary discard anything below 5% opacity.
+     * Note that this could be exposed to the User. */
+    if (tex_color.a < 0.05) {
+      discard;
+    }
+    else {
+      fragColor.a = 1.0;
+    }
+  }
+
+  /* Pre-multiplied blending. */
+  fragColor.rgb *= fragColor.a;
+}