Device.h

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#pragma once
 
#include "Core.h"
#include "Tags.h"
#include <SDL3/SDL_gpu.h>
 
namespace candlewick {

SDL_GPUShaderFormat
auto_detect_shader_format_subset(const char *name = nullptr);

struct Device {
 
  explicit Device(NoInitT) noexcept;
  explicit Device(SDL_GPUShaderFormat format_flags, bool debug_mode = false);
  Device(const Device &) = delete;
  Device(Device &&other) noexcept {
    _device = other._device;
    other._device = nullptr;
  }
 
  Device &operator=(const Device &) = delete;
  Device &operator=(Device &&other) noexcept {
    if (this != &other) {
      this->destroy();
      _device = other._device;
      other._device = nullptr;
    }
    return *this;
  }
 
  void create(SDL_GPUShaderFormat format_flags, bool debug_mode = false);
 
  operator SDL_GPUDevice *() const { return _device; }
  operator bool() const { return _device; }
 
  const char *driverName() const noexcept;
 
  SDL_GPUShaderFormat shaderFormats() const {
    return SDL_GetGPUShaderFormats(_device);
  }

  SDL_GPUDevice *release() noexcept {
    auto *p = _device;
    _device = nullptr;
    return p;
  }
  void destroy() noexcept;
 
  bool operator==(const Device &other) const {
    return _device && (_device == other._device);
  }
 
private:
  SDL_GPUDevice *_device;
};
 
inline Device::Device(NoInitT) noexcept : _device(nullptr) {}
 
} // namespace candlewick