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naga-agal: Fix using matrix opcodes with indirect source register 

In indirect mode, We need to increment the indirect_offset value
to load subsequent matrix rows.
This commit is contained in:
Aaron Hill 2023-11-24 14:54:43 -05:00 committed by TÖRÖK Attila
parent 884f46241c
commit 78c34c1be9
1 changed files with 11 additions and 4 deletions
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15
render/naga-agal/src/builder.rs
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@ -1061,7 +1061,7 @@ impl<'a> NagaBuilder<'a> {
let (num_rows, ty, vec_size, out_size) = match opcode {
Opcode::M33 => (
3,
3u8,
self.matrix3x3f,
VectorSize::Tri,
VertexAttributeFormat::Float3,
@ -1084,11 +1084,18 @@ impl<'a> NagaBuilder<'a> {
// Read each row of the matrix
let mut components = Vec::with_capacity(num_rows.into());
for i in 0..num_rows {
let source2_row = self.emit_source_field_load_with_swizzle_out(
&SourceField {
reg_num: source2.reg_num + i,
let modified_source_field = match source2.direct_mode {
DirectMode::Direct => SourceField {
reg_num: source2.reg_num + (i as u16),
..source2.clone()
},
DirectMode::Indirect => SourceField {
indirect_offset: source2.indirect_offset + i,
..source2.clone()
},
};
let source2_row = self.emit_source_field_load_with_swizzle_out(
&modified_source_field,
false,
vec_size,
)?;