diff options
| -rw-r--r-- | source/slang/slang-emit-glsl.cpp | 17 | ||||
| -rw-r--r-- | tests/language-feature/pointer-cast-glsl.slang | 14 |
2 files changed, 31 insertions, 0 deletions
diff --git a/source/slang/slang-emit-glsl.cpp b/source/slang/slang-emit-glsl.cpp index 9d4f72b07..eb71286a2 100644 --- a/source/slang/slang-emit-glsl.cpp +++ b/source/slang/slang-emit-glsl.cpp @@ -2727,6 +2727,23 @@ bool GLSLSourceEmitter::tryEmitInstExprImpl(IRInst* inst, const EmitOpInfo& inOu } break; } + case kIROp_CastPtrToInt: + case kIROp_CastIntToPtr: + case kIROp_PtrCast: + { + // For GLSL, emit constructor-style casts instead of C-style casts + auto prec = getInfo(EmitOp::Postfix); + EmitOpInfo outerPrec = inOuterPrec; // Make a mutable copy + bool needClose = maybeEmitParens(outerPrec, prec); + + emitType(inst->getDataType()); + m_writer->emit("("); + emitOperand(inst->getOperand(0), getInfo(EmitOp::General)); + m_writer->emit(")"); + + maybeCloseParens(needClose); + return true; + } default: break; } diff --git a/tests/language-feature/pointer-cast-glsl.slang b/tests/language-feature/pointer-cast-glsl.slang new file mode 100644 index 000000000..9e51c4328 --- /dev/null +++ b/tests/language-feature/pointer-cast-glsl.slang @@ -0,0 +1,14 @@ +//TEST:SIMPLE(filecheck=GLSL):-target glsl -entry main + +// Test that pointer casts in GLSL generate constructor-style casts instead of C-style casts +// This addresses issue https://github.com/shader-slang/slang/issues/7838 + +//GLSL: BufferPointer__S1_2(address_0) + +[shader("vertex")] +float4 main(uint vertexID : SV_VertexID, uint64_t address) : SV_Position +{ + // This should generate BufferPointer(address) instead of (BufferPointer)address in GLSL + let buffer = ConstBufferPointer<float4>(address); + return buffer[vertexID]; +}
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