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#pragma once
#import <MetalKit/MetalKit.h>
#include "shaders/program_pool.hpp"
#include "drape/pointers.hpp"
#include <map>
#include <string>
namespace gpu
{
enum class SystemProgram
{
ClearColor = 0,
ClearDepth,
ClearColorAndDepth,
SystemProgramsCount
};
namespace metal
{
class MetalProgramPool : public ProgramPool
{
public:
explicit MetalProgramPool(id<MTLDevice> device);
~MetalProgramPool() override;
drape_ptr<dp::GpuProgram> Get(Program program) override;
drape_ptr<dp::GpuProgram> GetSystemProgram(SystemProgram program);
private:
drape_ptr<dp::GpuProgram> Get(std::string const & programName,
std::string const & vertexShaderName,
std::string const & fragmentShaderName,
std::map<uint8_t, uint8_t> const & layout);
id<MTLFunction> GetFunction(std::string const & name);
id<MTLDevice> m_device;
id<MTLLibrary> m_library;
std::map<std::string, id<MTLFunction>> m_functions;
};
} // namespace metal
} // namespace gpu
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