08a14422c1
This PR adds the ability to provide per-descriptor-set IO mapping shift
values. If a particular binding does not land into a per-set value,
then it falls back to the prior behavior (global shifts per resource class).
Because there were already 6 copies of many different methods and internal
variables and functions, and this PR would have added 6 more, a new API is
introduced to cut down on replication and present a cleaner interface.
For the global (non-set-specific) API, the old entry points still exist
for backward compatibility, but are phrased internally in terms of the
following.
// Resource type for IO resolver
enum TResourceType {
EResSampler,
EResTexture,
EResImage,
EResUbo,
EResSsbo,
EResUav,
EResCount
};
Methods on TShader:
void setShiftBinding(TResourceType res, unsigned int base);
void setShiftBindingForSet(TResourceType res, unsigned int set, unsigned int base);
The first method replaces the 6 prior entry points of various spellings, which
exist now in depreciated form. The second provides per-resource-set functionality.
Both accept an enum from the list above.
From the command line, the existing options can accept either a single shift value as
before, or a series of 1 or more [set offset] pairs. Both can be provided, as in:
... --stb 20 --stb 2 25 3 30 ...
which will use the offset 20 for anything except descriptor set 2 (which uses 25) and
3 (which uses 30).
60 lines
1.1 KiB
JavaScript
60 lines
1.1 KiB
JavaScript
// Test register class offsets for different resource types
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SamplerState s1 : register(s1, space1);
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SamplerComparisonState s2 : register(s2, space2);
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Texture1D <float4> t1 : register(t1, space1);
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Texture2D <float4> t2 : register(t2, space1);
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Texture3D <float4> t3 : register(t1, space2);
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StructuredBuffer<float4> t4 : register(t1, space3);
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ByteAddressBuffer t5 : register(t2, space3);
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Buffer<float4> t6 : register(t3, space3);
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RWTexture1D <float4> u1 : register(u1, space1);
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RWTexture2D <float4> u2 : register(u2, space2);
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RWTexture3D <float4> u3 : register(u3, space2);
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RWBuffer <float> u4 : register(u4, space1);
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RWByteAddressBuffer u5 : register(u4, space2);
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RWStructuredBuffer<float> u6 : register(u4, space3);
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AppendStructuredBuffer<float> u7 : register(u4, space4);
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ConsumeStructuredBuffer<float> u8 : register(u4, space5);
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cbuffer cb : register(b1, space6) {
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int cb1;
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};
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tbuffer tb : register(t7) {
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int tb1;
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};
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float4 main() : SV_Target0
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{
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t1;
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t2;
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t3;
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t4[0];
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t5.Load(0);
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t6;
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s1;
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s2;
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u1;
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u2;
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u3;
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u4[0];
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u5.Load(0);
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u6[0];
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u7;
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u8;
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cb1;
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tb1;
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return 0;
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}
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