2a8ebc4906
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
#pragma once
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#include <cstdint>
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#include <cstdlib>
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#include <memory>
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namespace mln {
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namespace gfx {
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class Backend {
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public:
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/// @brief The active graphics API/backend type.
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enum class Type : uint8_t {
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OpenGL, ///< The OpenGL API backend
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Metal, ///< The Metal API backend
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Vulkan, ///< The Vulkan API backend
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WebGPU, ///< The WebGPU API backend
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TYPE_MAX, ///< Not a valid backend type, used to determine the number
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///< of available backends (ie for array allocation).
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};
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#if MLN_RENDER_BACKEND_WEBGPU
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static constexpr Type DefaultType = Type::WebGPU;
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#elif MLN_RENDER_BACKEND_METAL
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static constexpr Type DefaultType = Type::Metal;
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#elif MLN_RENDER_BACKEND_VULKAN
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static constexpr Type DefaultType = Type::Vulkan;
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#else // assume MLN_RENDER_BACKEND_OPENGL
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static constexpr Type DefaultType = Type::OpenGL;
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#endif
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static void SetType(const Type value) {
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if (Value(value) != value) {
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abort(); // SetType must be called prior to any GetType calls.
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}
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}
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static Type GetType() { return Value(DefaultType); }
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static bool getEnableGPUExpressionEval() { return enableGPUExpressionEval; }
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static void setEnableGPUExpressionEval(bool value) { enableGPUExpressionEval = value; }
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template <typename T, typename... Args>
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static std::unique_ptr<T> Create(Args... args) {
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#if MLN_RENDER_BACKEND_WEBGPU
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return Create<Type::WebGPU, T, Args...>(std::forward<Args>(args)...);
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#elif MLN_RENDER_BACKEND_METAL
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return Create<Type::Metal, T, Args...>(std::forward<Args>(args)...);
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#elif MLN_RENDER_BACKEND_VULKAN
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return Create<Type::Vulkan, T, Args...>(std::forward<Args>(args)...);
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#else // assume MLN_RENDER_BACKEND_OPENGL
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return Create<Type::OpenGL, T, Args...>(std::forward<Args>(args)...);
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#endif
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}
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private:
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template <Type, typename T, typename... Args>
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static std::unique_ptr<T> Create(Args...);
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static Type Value(Type value) {
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static const Type type = value;
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return type;
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}
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static bool enableGPUExpressionEval;
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};
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} // namespace gfx
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} // namespace mln
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