[spv-in] use grad image operand

gfx-rs · Aug 10, 2021 · 551b711 · 551b711
1 parent e384bce
commit 551b711
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/src/front/spv/image.rs b/src/front/spv/image.rs
@@ -420,6 +420,17 @@ impl<I: Iterator<Item = u32>> super::Parser<I> {
  level = crate::SampleLevel::Exact(lod_handle);
  words_left -= 1;
  }
+ spirv::ImageOperands::GRAD => {
+ let grad_x_expr = self.next()?;
+ let grad_x_handle = self.lookup_expression.lookup(grad_x_expr)?.handle;
+ let grad_y_expr = self.next()?;
+ let grad_y_handle = self.lookup_expression.lookup(grad_y_expr)?.handle;
+ level = crate::SampleLevel::Gradient {
+ x: grad_x_handle,
+ y: grad_y_handle,
+ };
+ words_left -= 2;
+ }
  spirv::ImageOperands::CONST_OFFSET => {
  let offset_constant = self.next()?;
  let offset_handle = self.lookup_constant.lookup(offset_constant)?.handle;