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tint: spir-v writer: Fix matrix constructor from matrix variable

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Bug: tint:1603
Change-Id: I580a450daa9392316cb628ceeb16490ec591deba
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/94860
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: dan sinclair <dsinclair@google.com>
This commit is contained in:
Antonio Maiorano
2022-06-27 20:07:45 +00:00
committed by Dawn LUCI CQ
parent 7c5255a197
commit ce466c0df3
55 changed files with 605 additions and 0 deletions
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11
src/tint/writer/spirv/builder.cc
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@@ -1362,6 +1362,15 @@ uint32_t Builder::GenerateTypeConstructorOrConversion(const sem::Call* call,
}
}
if (auto* res_mat = result_type->As<sem::Matrix>()) {
auto* value_type = args[0]->Type()->UnwrapRef();
if (auto* val_mat = value_type->As<sem::Matrix>()) {
// Generate passthrough for matrices of the same type
can_cast_or_copy =
(res_mat->columns() == val_mat->columns()) && (res_mat->rows() == val_mat->rows());
}
}
if (can_cast_or_copy) {
return GenerateCastOrCopyOrPassthrough(result_type, args[0]->Declaration(), global_var);
}
@@ -1607,6 +1616,8 @@ uint32_t Builder::GenerateCastOrCopyOrPassthrough(const sem::Type* to_type,
}
return result_id;
} else if (from_type->Is<sem::Matrix>()) {
return val_id;
} else {
TINT_ICE(Writer, builder_.Diagnostics()) << "Invalid from_type";
}