AuroraMiddleware/SPIRV-Cross-Vulnerable
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Merge pull request #2127 from attackgoat/aliased-descriptor-fix

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Aliased descriptor fix
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Hans-Kristian Arntzen 2023-03-30 18:01:09 +02:00 committed by GitHub
commit abd23cc233
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 36 additions and 33 deletions
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2
main.cpp
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@ -860,7 +860,7 @@ static void print_help_msl()
"\t[--msl-domain-lower-left]:\n\t\tUse a lower-left tessellation domain.\n"
"\t[--msl-argument-buffers]:\n\t\tEmit Metal argument buffers instead of discrete resource bindings.\n"
"\t\tRequires MSL 2.0 to be enabled.\n"
"\t[--msl-argument-buffers-tier]:\n\t\tWhen using Metal argument buffers, indicate the Metal argument buffer tier level supported by the Metal platform.\n"
"\t[--msl-argument-buffer-tier]:\n\t\tWhen using Metal argument buffers, indicate the Metal argument buffer tier level supported by the Metal platform.\n"
"\t\tUses same values as Metal MTLArgumentBuffersTier enumeration (0 = Tier1, 1 = Tier2).\n"
"\t\tSetting this value also enables msl-argument-buffers.\n"
"\t[--msl-texture-buffer-native]:\n\t\tEnable native support for texel buffers. Otherwise, it is emulated as a normal texture.\n"

67
spirv_msl.cpp
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@ -17280,41 +17280,44 @@ void CompilerMSL::analyze_argument_buffers()
// member_index and next_arg_buff_index are incremented when padding members are added.
if (msl_options.pad_argument_buffer_resources)
{
while (resource.index > next_arg_buff_index)
if (!resource.descriptor_alias)
{
auto &rez_bind = get_argument_buffer_resource(desc_set, next_arg_buff_index);
switch (rez_bind.basetype)
while (resource.index > next_arg_buff_index)
{
case SPIRType::Void:
case SPIRType::Boolean:
case SPIRType::SByte:
case SPIRType::UByte:
case SPIRType::Short:
case SPIRType::UShort:
case SPIRType::Int:
case SPIRType::UInt:
case SPIRType::Int64:
case SPIRType::UInt64:
case SPIRType::AtomicCounter:
case SPIRType::Half:
case SPIRType::Float:
case SPIRType::Double:
add_argument_buffer_padding_buffer_type(buffer_type, member_index, next_arg_buff_index, rez_bind);
break;
case SPIRType::Image:
add_argument_buffer_padding_image_type(buffer_type, member_index, next_arg_buff_index, rez_bind);
break;
case SPIRType::Sampler:
add_argument_buffer_padding_sampler_type(buffer_type, member_index, next_arg_buff_index, rez_bind);
break;
case SPIRType::SampledImage:
if (next_arg_buff_index == rez_bind.msl_sampler)
add_argument_buffer_padding_sampler_type(buffer_type, member_index, next_arg_buff_index, rez_bind);
else
auto &rez_bind = get_argument_buffer_resource(desc_set, next_arg_buff_index);
switch (rez_bind.basetype)
{
case SPIRType::Void:
case SPIRType::Boolean:
case SPIRType::SByte:
case SPIRType::UByte:
case SPIRType::Short:
case SPIRType::UShort:
case SPIRType::Int:
case SPIRType::UInt:
case SPIRType::Int64:
case SPIRType::UInt64:
case SPIRType::AtomicCounter:
case SPIRType::Half:
case SPIRType::Float:
case SPIRType::Double:
add_argument_buffer_padding_buffer_type(buffer_type, member_index, next_arg_buff_index, rez_bind);
break;
case SPIRType::Image:
add_argument_buffer_padding_image_type(buffer_type, member_index, next_arg_buff_index, rez_bind);
break;
default:
break;
break;
case SPIRType::Sampler:
add_argument_buffer_padding_sampler_type(buffer_type, member_index, next_arg_buff_index, rez_bind);
break;
case SPIRType::SampledImage:
if (next_arg_buff_index == rez_bind.msl_sampler)
add_argument_buffer_padding_sampler_type(buffer_type, member_index, next_arg_buff_index, rez_bind);
else
add_argument_buffer_padding_image_type(buffer_type, member_index, next_arg_buff_index, rez_bind);
break;
default:
break;
}
}
}