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MSL: Plumb through member state to image/sampler types.

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This commit is contained in:
Hans-Kristian Arntzen 2024-01-05 15:15:41 +01:00
parent cffc08a542
commit ec87a03655
4 changed files with 42 additions and 25 deletions
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2
spirv_glsl.cpp
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@ -15483,7 +15483,7 @@ string CompilerGLSL::type_to_array_glsl(const SPIRType &type)
}
}
string CompilerGLSL::image_type_glsl(const SPIRType &type, uint32_t id)
string CompilerGLSL::image_type_glsl(const SPIRType &type, uint32_t id, bool /*member*/)
{
auto &imagetype = get<SPIRType>(type.image.type);
string res;

2
spirv_glsl.hpp
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@ -438,7 +438,7 @@ protected:
virtual void emit_struct_member(const SPIRType &type, uint32_t member_type_id, uint32_t index,
const std::string &qualifier = "", uint32_t base_offset = 0);
virtual void emit_struct_padding_target(const SPIRType &type);
virtual std::string image_type_glsl(const SPIRType &type, uint32_t id = 0);
virtual std::string image_type_glsl(const SPIRType &type, uint32_t id = 0, bool member = false);
std::string constant_expression(const SPIRConstant &c,
bool inside_block_like_struct_scope = false,
bool inside_struct_scope = false);

59
spirv_msl.cpp
View File

@ -10665,7 +10665,7 @@ void CompilerMSL::emit_function_prototype(SPIRFunction &func, const Bitset &)
{
if (arg_type.array.empty() || (var ? is_var_runtime_size_array(*var) : is_runtime_size_array(arg_type)))
{
decl += join(", ", sampler_type(arg_type, arg.id), " ", to_sampler_expression(name_id));
decl += join(", ", sampler_type(arg_type, arg.id, false), " ", to_sampler_expression(name_id));
}
else
{
@ -10673,7 +10673,7 @@ void CompilerMSL::emit_function_prototype(SPIRFunction &func, const Bitset &)
descriptor_address_space(name_id,
StorageClassUniformConstant,
"thread const");
decl += join(", ", sampler_address_space, " ", sampler_type(arg_type, name_id), "& ",
decl += join(", ", sampler_address_space, " ", sampler_type(arg_type, name_id, false), "& ",
to_sampler_expression(name_id));
}
}
@ -12062,6 +12062,12 @@ string CompilerMSL::to_struct_member(const SPIRType &type, uint32_t member_type_
is_using_builtin_array = true;
array_type = type_to_array_glsl(physical_type);
}
else if (is_array(*declared_type) && get_resource_array_size(*declared_type, orig_id) == 0)
{
// Hack for declaring unsized array of resources. Need to declare dummy sized array by value inline.
// This can then be wrapped in spvDescriptorArray as usual.
array_type = "[1] /* unsized array hack */";
}
string decl_type;
if (declared_type->vecsize > 4)
@ -13480,7 +13486,7 @@ void CompilerMSL::entry_point_args_discrete_descriptors(string &ep_args)
case SPIRType::Sampler:
if (!ep_args.empty())
ep_args += ", ";
ep_args += sampler_type(type, var_id) + " " + r.name;
ep_args += sampler_type(type, var_id, false) + " " + r.name;
if (is_var_runtime_size_array(var))
ep_args += "_ [[buffer(" + convert_to_string(r.index) + ")]]";
else
@ -13495,7 +13501,7 @@ void CompilerMSL::entry_point_args_discrete_descriptors(string &ep_args)
const auto &basetype = get<SPIRType>(var.basetype);
if (!type_is_msl_framebuffer_fetch(basetype))
{
ep_args += image_type_glsl(type, var_id) + " " + r.name;
ep_args += image_type_glsl(type, var_id, false) + " " + r.name;
if (r.plane > 0)
ep_args += join(plane_name_suffix, r.plane);
@ -13512,7 +13518,7 @@ void CompilerMSL::entry_point_args_discrete_descriptors(string &ep_args)
{
if (msl_options.is_macos() && !msl_options.supports_msl_version(2, 3))
SPIRV_CROSS_THROW("Framebuffer fetch on Mac is not supported before MSL 2.3.");
ep_args += image_type_glsl(type, var_id) + " " + r.name;
ep_args += image_type_glsl(type, var_id, false) + " " + r.name;
ep_args += " [[color(" + convert_to_string(r.index) + ")]]";
}
@ -15107,10 +15113,10 @@ string CompilerMSL::type_to_glsl(const SPIRType &type, uint32_t id, bool member)
case SPIRType::Image:
case SPIRType::SampledImage:
return image_type_glsl(type, id);
return image_type_glsl(type, id, member);
case SPIRType::Sampler:
return sampler_type(type, id);
return sampler_type(type, id, member);
case SPIRType::Void:
return "void";
@ -15326,7 +15332,7 @@ std::string CompilerMSL::variable_decl(const SPIRType &type, const std::string &
return CompilerGLSL::variable_decl(type, name, id);
}
std::string CompilerMSL::sampler_type(const SPIRType &type, uint32_t id)
std::string CompilerMSL::sampler_type(const SPIRType &type, uint32_t id, bool member)
{
auto *var = maybe_get<SPIRVariable>(id);
if (var && var->basevariable)
@ -15345,26 +15351,31 @@ std::string CompilerMSL::sampler_type(const SPIRType &type, uint32_t id)
// Arrays of samplers in MSL must be declared with a special array<T, N> syntax ala C++11 std::array.
// If we have a runtime array, it could be a variable-count descriptor set binding.
auto &parent = get<SPIRType>(get_pointee_type(type).parent_type);
uint32_t array_size = get_resource_array_size(type, id);
if (array_size == 0)
{
add_spv_func_and_recompile(SPVFuncImplVariableDescriptor);
add_spv_func_and_recompile(SPVFuncImplVariableDescriptorArray);
auto &parent = get<SPIRType>(get_pointee_type(type).parent_type);
if (processing_entry_point)
return join("const device spvDescriptor<", sampler_type(parent, id), ">*");
return join("const spvDescriptorArray<", sampler_type(parent, id), ">");
}
auto &parent = get<SPIRType>(get_pointee_type(type).parent_type);
return join("array<", sampler_type(parent, id), ", ", array_size, ">");
const char *descriptor_wrapper = processing_entry_point ? "const device spvDescriptor" : "const spvDescriptorArray";
if (member)
descriptor_wrapper = "spvDescriptor";
return join(descriptor_wrapper, "<", sampler_type(parent, id, false), ">",
processing_entry_point ? "*" : "");
}
else
{
return join("array<", sampler_type(parent, id, false), ", ", array_size, ">");
}
}
else
return "sampler";
}
// Returns an MSL string describing the SPIR-V image type
string CompilerMSL::image_type_glsl(const SPIRType &type, uint32_t id)
string CompilerMSL::image_type_glsl(const SPIRType &type, uint32_t id, bool member)
{
auto *var = maybe_get<SPIRVariable>(id);
if (var && var->basevariable)
@ -15395,17 +15406,23 @@ string CompilerMSL::image_type_glsl(const SPIRType &type, uint32_t id)
// Arrays of images in MSL must be declared with a special array<T, N> syntax ala C++11 std::array.
// If we have a runtime array, it could be a variable-count descriptor set binding.
auto &parent = get<SPIRType>(get_pointee_type(type).parent_type);
uint32_t array_size = get_resource_array_size(type, id);
if (array_size == 0)
{
add_spv_func_and_recompile(SPVFuncImplVariableDescriptor);
add_spv_func_and_recompile(SPVFuncImplVariableDescriptorArray);
auto &parent = get<SPIRType>(get_pointee_type(type).parent_type);
return join("const device spvDescriptor<", image_type_glsl(parent, id), ">*");
const char *descriptor_wrapper = processing_entry_point ? "const device spvDescriptor" : "const spvDescriptorArray";
if (member)
descriptor_wrapper = "spvDescriptor";
return join(descriptor_wrapper, "<", image_type_glsl(parent, id, false), ">",
processing_entry_point ? "*" : "");
}
else
{
return join("array<", image_type_glsl(parent, id, false), ", ", array_size, ">");
}
auto &parent = get<SPIRType>(get_pointee_type(type).parent_type);
return join("array<", image_type_glsl(parent, id), ", ", array_size, ">");
}
string img_type_name;

4
spirv_msl.hpp
View File

@ -862,8 +862,8 @@ protected:
// GCC workaround of lambdas calling protected functions (for older GCC versions)
std::string variable_decl(const SPIRType &type, const std::string &name, uint32_t id = 0) override;
std::string image_type_glsl(const SPIRType &type, uint32_t id = 0) override;
std::string sampler_type(const SPIRType &type, uint32_t id);
std::string image_type_glsl(const SPIRType &type, uint32_t id, bool member) override;
std::string sampler_type(const SPIRType &type, uint32_t id, bool member);
std::string builtin_to_glsl(spv::BuiltIn builtin, spv::StorageClass storage) override;
std::string to_func_call_arg(const SPIRFunction::Parameter &arg, uint32_t id) override;
std::string to_name(uint32_t id, bool allow_alias = true) const override;