graphics_runtime_backend_internal.h

#pragma once
 
#include "pixelbullet/graphics/gpu_diagnostics.h"
#include "pixelbullet/graphics/graphics.h"
#include "pixelbullet/graphics/graphics_frame_runtime_internal.h"
#include "pixelbullet/graphics/render_target.h"
 
#include <cstdint>
#include <filesystem>
#include <memory>
#include <optional>
#include <string_view>
 
namespace pixelbullet
{
class RenderDevice;
class Renderer;
class Window;
 
} // namespace pixelbullet
 
namespace pixelbullet::graphics_internal
{
class GraphicsRuntimeBackend
{
public:
    virtual ~GraphicsRuntimeBackend() = default;
 
    virtual pixelbullet::Graphics::FrameOutcome Update() = 0;
    virtual pixelbullet::GraphicsFrameRuntimeAccess::PrepareFrameOutcome PrepareFrame() = 0;
    virtual pixelbullet::GraphicsFrameRuntimeAccess::RenderFrameOutcome RenderPreparedFrame() = 0;
    virtual void WaitIdle() const = 0;
    virtual void CaptureScreenshot(const std::filesystem::path& filename, std::size_t id) const = 0;
 
    virtual void SetRenderer(std::unique_ptr<pixelbullet::Renderer>&& renderer) = 0;
    [[nodiscard]] virtual std::optional<pixelbullet::RenderTargetView> GetRenderTarget(std::string_view name) const = 0;
    virtual void SetFramebufferResized(std::size_t id) = 0;
    [[nodiscard]] virtual uint32_t GetFrameImageCount() const noexcept = 0;
 
    [[nodiscard]] virtual pixelbullet::GraphicsApplicationInfo GetGraphicsApplicationInfo() const = 0;
    [[nodiscard]] virtual pixelbullet::GraphicsDeviceProperties GetActiveGraphicsDeviceProperties() const = 0;
};
 
[[nodiscard]] std::unique_ptr<GraphicsRuntimeBackend> CreateGraphicsRuntimeBackend(pixelbullet::Graphics& owner,
                                                                                   pixelbullet::RenderDevice& render_device,
                                                                                   pixelbullet::GraphicsConfig config,
                                                                                   pixelbullet::Window& window);
} // namespace pixelbullet::graphics_internal