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// unknown-image-format.slang
//TEST:SIMPLE(filecheck=CHECK):-target spirv-assembly -entry main -stage fragment -default-image-format-unknown
// Ensure that we can emit R/W images with an unknown format, when required.
// CHECK: OpTypeImage %float 2D 2 0 0 2 Unknown
// CHECK: OpTypeImage %float 2D 2 0 0 2 R32f
// CHECK: OpTypeImage %float 2D 2 0 0 2 Rgba8
// CHECK: OpTypeImage %float 2D 2 0 0 2 Rgba16f
// Global Scope:
RWTexture2D<float> gNoFormat;
[format("r32f")]
RWTexture2D<float> gExplicitFormat;
// Nested in a Parameter Block
struct PB
{
RWTexture2D<float4> noFormat;
[format("rgba8")]
RWTexture2D<float4> explicitFormat;
}
ParameterBlock<PB> gBlock;
cbuffer C
{
uint2 index;
}
float4 main(
// In entry-point parameter list
uniform RWTexture2D<float4> noFormat,
[format("rgba16f")]
uniform RWTexture2D<float4> explicitFormat
) : SV_Target
{
float4 result = 0;
#define USE(NAME) result += NAME[index]
USE(gNoFormat);
USE(gExplicitFormat);
USE(gBlock.noFormat);
USE(gBlock.explicitFormat);
USE(noFormat);
USE(explicitFormat);
#undef USE
return result;
}
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