AuroraMiddleware/SPIRV-Cross
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MSL: Always use layout-declared array size for argument buffers.

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This commit is contained in:
Hans-Kristian Arntzen 2024-05-21 12:45:08 +02:00
parent ffdcefe250
commit b236352fef
1 changed files with 7 additions and 3 deletions
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10
spirv_msl.cpp
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@ -201,13 +201,17 @@ bool CompilerMSL::is_var_runtime_size_array(const SPIRVariable &var) const
uint32_t CompilerMSL::get_resource_array_size(const SPIRType &type, uint32_t id) const
{
uint32_t array_size = to_array_size_literal(type);
if (array_size)
// If we have argument buffers, we need to honor the ABI by using the correct array size
// from the layout. Only use shader declared size if we're not using argument buffers.
uint32_t desc_set = get_decoration(id, DecorationDescriptorSet);
if (!descriptor_set_is_argument_buffer(desc_set) && array_size)
return array_size;
StageSetBinding tuple = { get_entry_point().model, get_decoration(id, DecorationDescriptorSet),
StageSetBinding tuple = { get_entry_point().model, desc_set,
get_decoration(id, DecorationBinding) };
auto itr = resource_bindings.find(tuple);
return itr != end(resource_bindings) ? itr->second.first.count : 0;
return itr != end(resource_bindings) ? itr->second.first.count : array_size;
}
uint32_t CompilerMSL::get_automatic_msl_resource_binding(uint32_t id) const