d92de00cc1
This is a fairly fundamental change on how IDs are handled.
It serves many purposes:
- Improve performance. We only need to iterate over IDs which are
relevant at any one time.
- Makes sure we iterate through IDs in SPIR-V module declaration order
rather than ID space. IDs don't have to be monotonically increasing,
which was an assumption SPIRV-Cross used to have. It has apparently
never been a problem until now.
- Support LUTs of structs. We do this by interleaving declaration of
constants and struct types in SPIR-V module order.
To support this, the ParsedIR interface needed to change slightly.
Before setting any ID with variant_set<T> we let ParsedIR know
that an ID with a specific type has been added. The surface for change
should be minimal.
ParsedIR will maintain a per-type list of IDs which the cross-compiler
will need to consider for later.
Instead of looping over ir.ids[] (which can be extremely large), we loop
over types now, using:
ir.for_each_typed_id<SPIRVariable>([&](uint32_t id, SPIRVariable &var) {
handle_variable(var);
});
Now we make sure that we're never looking at irrelevant types.
41 lines
931 B
Plaintext
41 lines
931 B
Plaintext
#version 310 es
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layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
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const vec4 _66[2] = vec4[](vec4(10.0), vec4(30.0));
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struct Composite
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{
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vec4 a[2];
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vec4 b[2];
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};
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const float _94[2][3] = float[][](float[](1.0, 1.0, 1.0), float[](2.0, 2.0, 2.0));
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layout(binding = 0, std430) buffer SSBO0
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{
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vec4 as[];
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} _41;
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layout(binding = 1, std430) buffer SSBO1
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{
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vec4 bs[];
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} _55;
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vec4 summe(vec4 values[3][2])
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{
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return ((values[0][0] + values[2][1]) + values[0][1]) + values[1][0];
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}
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void main()
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{
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vec4 values[2] = vec4[](_41.as[gl_GlobalInvocationID.x], _55.bs[gl_GlobalInvocationID.x]);
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vec4 copy_values[2] = _66;
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vec4 copy_values2[2] = values;
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vec4 param[3][2] = vec4[][](values, copy_values, copy_values2);
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_41.as[gl_GlobalInvocationID.x] = summe(param);
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Composite c = Composite(values, copy_values);
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float b = 10.0;
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float values_scalar[4] = float[](b, b, b, b);
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}
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