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//TEST:COMPARE_HLSL: -profile ps_4_0 -entry main
// Let's first confirm that Slang can reproduce what the
// HLSL compiler would already do in the simple case (when
// all shader parameters are actually used).
#ifdef __SLANG__
#define R(X) /**/
#define BEGIN_CBUFFER(NAME) cbuffer NAME
#define END_CBUFFER(NAME, REG) /**/
#define CBUFFER_REF(NAME, FIELD) FIELD
#else
#define R(X) X
#define BEGIN_CBUFFER(NAME) struct SLANG_ParameterGroup_##NAME
#define END_CBUFFER(NAME, REG) ; cbuffer NAME : REG { SLANG_ParameterGroup_##NAME NAME; }
#define CBUFFER_REF(NAME, FIELD) NAME.FIELD
#define C C_0
#define t t_0
#define s s_0
#define c c_0
#endif
float4 use(float4 val) { return val; };
float4 use(Texture2D tex, SamplerState samp) { return tex.Sample(samp, 0.0); }
Texture2D t R(: register(t0));
SamplerState s R(: register(s0));
BEGIN_CBUFFER(C)
{
float c;
}
END_CBUFFER(C, register(b0))
float4 main() : SV_TARGET
{
return use(t,s) + use(CBUFFER_REF(C,c));
}
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