impeller::ShaderFunctionMTL Class Reference

#include <shader_function_mtl.h>

Inheritance diagram for impeller::ShaderFunctionMTL:

Public Types
using	CompileCallback = std::function< void(id< MTLFunction >)>

Public Member Functions
	~ShaderFunctionMTL () override
id< MTLFunction >	GetMTLFunction () const
void	GetMTLFunctionSpecialized (const std::vector< Scalar > &constants, const CompileCallback &callback) const
Public Member Functions inherited from impeller::ShaderFunction
virtual	~ShaderFunction ()
ShaderStage	GetStage () const
const std::string &	GetName () const
std::size_t	GetHash () const override
bool	IsEqual (const ShaderFunction &other) const override
Public Member Functions inherited from impeller::Comparable< ShaderFunction >
virtual std::size_t	GetHash () const=0

Friends
class	ShaderLibraryMTL

Additional Inherited Members
Static Public Member Functions inherited from impeller::BackendCast< ShaderFunctionMTL, ShaderFunction >
static ShaderFunctionMTL &	Cast (ShaderFunction &base)
static const ShaderFunctionMTL &	Cast (const ShaderFunction &base)
static ShaderFunctionMTL *	Cast (ShaderFunction *base)
static const ShaderFunctionMTL *	Cast (const ShaderFunction *base)
Protected Member Functions inherited from impeller::ShaderFunction
	ShaderFunction (UniqueID parent_library_id, std::string name, ShaderStage stage)

Detailed Description

Definition at line 15 of file shader_function_mtl.h.

Member Typedef Documentation

CompileCallback

using impeller::ShaderFunctionMTL::CompileCallback = std::function<void(id<MTLFunction>)>

Definition at line 24 of file shader_function_mtl.h.

Constructor & Destructor Documentation

~ShaderFunctionMTL()

impeller::ShaderFunctionMTL::~ShaderFunctionMTL ( )

overridedefault

Member Function Documentation

GetMTLFunction()

id< MTLFunction > impeller::ShaderFunctionMTL::GetMTLFunction

(

)

const

Definition at line 42 of file shader_function_mtl.mm.

                                                        {
  return function_;
}

Referenced by impeller::GetMTLComputePipelineDescriptor(), and impeller::GetMTLRenderPipelineDescriptor().

GetMTLFunctionSpecialized()

void impeller::ShaderFunctionMTL::GetMTLFunctionSpecialized	(	const std::vector< Scalar > &	constants,
		const CompileCallback &	callback
	)		const

Definition at line 20 of file shader_function_mtl.mm.

                                           {
  MTLFunctionConstantValues* constantValues =
      [[MTLFunctionConstantValues alloc] init];
  size_t index = 0;
  for (const auto value : constants) {
    Scalar copied_value = value;
    [constantValues setConstantValue:&copied_value
                                type:MTLDataTypeFloat
                             atIndex:index];
    index++;
  }
  CompileCallback callback_value = callback;
  [library_ newFunctionWithName:@(GetName().data())
                 constantValues:constantValues
              completionHandler:^(id<MTLFunction> _Nullable function,
                                  NSError* _Nullable error) {
                callback_value(function);
              }];
}

References impeller::ShaderFunction::GetName(), and type.

Referenced by impeller::GetMTLRenderPipelineDescriptor().

Friends And Related Function Documentation

ShaderLibraryMTL

friend class ShaderLibraryMTL

friend

Definition at line 30 of file shader_function_mtl.h.

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The documentation for this class was generated from the following files:

• impeller/renderer/backend/metal/shader_function_mtl.h
• impeller/renderer/backend/metal/shader_function_mtl.mm