diff options
| -rw-r--r-- | source/slang/slang-diagnostic-defs.h | 6 | ||||
| -rw-r--r-- | source/slang/slang-ir-metal-legalize.cpp | 3 | ||||
| -rw-r--r-- | tests/diagnostics/metal-mesh-shader-output-ref.slang | 22 |
3 files changed, 30 insertions, 1 deletions
diff --git a/source/slang/slang-diagnostic-defs.h b/source/slang/slang-diagnostic-defs.h index 1f2fdd693..08e852547 100644 --- a/source/slang/slang-diagnostic-defs.h +++ b/source/slang/slang-diagnostic-defs.h @@ -2960,12 +2960,16 @@ DIAGNOSTIC( Error, divisionByMatrixNotSupported, "division by matrix is not supported for Metal and WGSL targets.") - DIAGNOSTIC( 56103, Error, int16NotSupportedInWGSL, "16-bit integer type '$0' is not supported by the WGSL backend.") +DIAGNOSTIC( + 56104, + Error, + assignToRefNotSupported, + "whole struct must be assiged to mesh output at once for Metal target.") DIAGNOSTIC(57001, Warning, spirvOptFailed, "spirv-opt failed. $0") DIAGNOSTIC(57002, Error, unknownPatchConstantParameter, "unknown patch constant parameter '$0'.") diff --git a/source/slang/slang-ir-metal-legalize.cpp b/source/slang/slang-ir-metal-legalize.cpp index 116feeab4..fd950b91a 100644 --- a/source/slang/slang-ir-metal-legalize.cpp +++ b/source/slang/slang-ir-metal-legalize.cpp @@ -214,6 +214,9 @@ static void processInst(IRInst* inst, DiagnosticSink* sink) case kIROp_Leq: legalizeBinaryOp(inst, sink, CodeGenTarget::Metal); break; + case kIROp_MeshOutputRef: + sink->diagnose(getDiagnosticPos(inst), Diagnostics::assignToRefNotSupported); + break; case kIROp_MetalCastToDepthTexture: { // If the operand is already a depth texture, don't do anything. diff --git a/tests/diagnostics/metal-mesh-shader-output-ref.slang b/tests/diagnostics/metal-mesh-shader-output-ref.slang new file mode 100644 index 000000000..45926b1f8 --- /dev/null +++ b/tests/diagnostics/metal-mesh-shader-output-ref.slang @@ -0,0 +1,22 @@ +//DIAGNOSTIC_TEST:SIMPLE(filecheck=CHECK):-target metal -entry meshMain + +struct VsOutput { + float4 pos : SV_Position; +}; + +[shader("mesh")] +[numthreads(1, 1, 1)] +[outputtopology("triangle")] +void meshMain(out vertices VsOutput verts[3], out indices uint3 tris[1]) +{ + SetMeshOutputCounts(3, 1); + + // Output vertices + for (uint i = 0; i < 3; i++) { +//CHECK: ([[# @LINE+1]]): error 56104 + verts[i].pos = float4(0.0); + } + + // Output indices + tris[0] = uint3(0, 1, 2); +} |