[spirv-reader][ir] Handle GLSL 450 MatrixInverse

The SPIR-V `MatrixInverse` method does not have an equivalent in WGSL. Add a polyfill for the allowed `2x2`, `3x3` and `4x4` matrix variants. Bug: 42250952 Change-Id: I1f73bdb974ad4bf5f51af886f7776c6174e3a6cb Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/220874 Commit-Queue: dan sinclair <dsinclair@chromium.org> Reviewed-by: James Price <jrprice@google.com>
google · Jan 14, 2025 · b3fb1e2 · b3fb1e2
1 parent cb97388
commit b3fb1e2
Show file tree

Hide file tree

Showing 14 changed files with 1,173 additions and 223 deletions.
diff --git a/src/tint/lang/spirv/builtin_fn.cc b/src/tint/lang/spirv/builtin_fn.cc
@@ -110,6 +110,8 @@ const char* str(BuiltinFn i) {
             return "vector_times_scalar";
         case BuiltinFn::kNormalize:
             return "normalize";
+        case BuiltinFn::kInverse:
+            return "inverse";
         case BuiltinFn::kSdot:
             return "sdot";
         case BuiltinFn::kUdot:
@@ -164,6 +166,7 @@ tint::core::ir::Instruction::Accesses GetSideEffects(BuiltinFn fn) {
         case BuiltinFn::kUdot:
         case BuiltinFn::kNone:
         case BuiltinFn::kNormalize:
+        case BuiltinFn::kInverse:
             break;
     }
     return core::ir::Instruction::Accesses{};

diff --git a/src/tint/lang/spirv/builtin_fn.cc.tmpl b/src/tint/lang/spirv/builtin_fn.cc.tmpl
@@ -73,6 +73,7 @@ tint::core::ir::Instruction::Accesses GetSideEffects(BuiltinFn fn) {
         case BuiltinFn::kUdot:
         case BuiltinFn::kNone:
         case BuiltinFn::kNormalize:
+        case BuiltinFn::kInverse:
             break;
     }
     return core::ir::Instruction::Accesses{};

diff --git a/src/tint/lang/spirv/builtin_fn.h b/src/tint/lang/spirv/builtin_fn.h
@@ -82,6 +82,7 @@ enum class BuiltinFn : uint8_t {
     kVectorTimesMatrix,
     kVectorTimesScalar,
     kNormalize,
+    kInverse,
     kSdot,
     kUdot,
     kNone,