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Add reflection support for ray tracing acceleration structures

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This commit is contained in:
Patrick Mours 2019-03-26 15:02:00 +01:00
parent 524bd43deb
commit b2a667520d
4 changed files with 16 additions and 0 deletions
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9
shaders-reflection/rgen/acceleration_structure.vk.rgen Normal file
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@ -0,0 +1,9 @@
#version 460
#extension GL_NV_ray_tracing : require
layout(set = 0, binding = 1) uniform accelerationStructureNV as;
void main()
{
traceNV(as, 0u, 255u, 0u, 1u, 0u, vec3(0.0), 0.0, vec3(1.0), 1000.0, 0);
}

5
spirv_cross.cpp
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@ -820,6 +820,11 @@ ShaderResources Compiler::get_shader_resources(const unordered_set<uint32_t> *ac
{
res.atomic_counters.push_back({ var.self, var.basetype, type.self, get_name(var.self) });
}
// Acceleration structures
else if (type.storage == StorageClassUniformConstant && type.basetype == SPIRType::AccelerationStructureNV)
{
res.acceleration_structures.push_back({ var.self, var.basetype, type.self, get_name(var.self) });
}
});
return res;

1
spirv_cross.hpp
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@ -62,6 +62,7 @@ struct ShaderResources
std::vector<Resource> storage_images;
std::vector<Resource> sampled_images;
std::vector<Resource> atomic_counters;
std::vector<Resource> acceleration_structures;
// There can only be one push constant block,
// but keep the vector in case this restriction is lifted in the future.

1
spirv_reflect.cpp
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@ -436,6 +436,7 @@ void CompilerReflection::emit_resources()
emit_resources("ubos", res.uniform_buffers);
emit_resources("push_constants", res.push_constant_buffers);
emit_resources("counters", res.atomic_counters);
emit_resources("acceleration_structures", res.acceleration_structures);
}
void CompilerReflection::emit_resources(const char *tag, const vector<Resource> &resources)