Store formats in pipeline and scripts. (#677)

This CL removes the unique_ptr from the probe and buffer classes and
stores pointers instead. The lifetimes are managed by the pipeline and
script objects.

This removes the need to do the copy and assignment operators for the
format class.

1 files changed, 3 insertions, 3 deletions

diff --git a/samples/image_diff.cc b/samples/image_diff.cc
index bba657e..033d412 100644
--- a/samples/image_diff.cc
+++ b/samples/image_diff.cc
@@ -115,11 +115,11 @@ int main(int argc, const char** argv) {
     return 1;
   }
 
+  amber::FormatParser fp;
+  auto fmt = fp.Parse("R8G8B8A8_UNORM");
   amber::Buffer buffers[2];
-
   for (size_t i = 0; i < 2; ++i) {
-    amber::FormatParser fp;
-    buffers[i].SetFormat(fp.Parse("R8G8B8A8_UNORM"));
+    buffers[i].SetFormat(fmt.get());
     amber::Result res =
         LoadPngToBuffer(options.input_filenames[i], &buffers[i]);
     if (!res.IsSuccess()) {