message: Update the descriptor set index in colorGrading.
diff: @@ -41,7 +41,8 @@ vertex {
  fragment {
  // TODO: this should be specified as a parameter
  - layout (input_attachment_index = 0, set = 0, binding = 0) uniform mediump subpassInput colorBuffer;
  + // In our Vulkan backend, subpass inputs always live in descriptor set 2. (ignored for GLES)
  + layout (input_attachment_index = 0, set = 2, binding = 0) uniform mediump subpassInput colorBuffer;
  layout(location = 1) out vec4 tonemappedOutput;
  #include "../../../shaders/src/dithering.fs"
  