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#pragma once
#include "../dxvk_device.h"
#include "dxvk_hud_item.h"
#include "dxvk_hud_renderer.h"
namespace dxvk::hud {
/**
* \brief HUD uniform data
* Shader data for the HUD.
*/
struct HudUniformData {
VkExtent2D surfaceSize;
};
/**
* \brief DXVK HUD
*
* Can be used by the presentation backend to
* display performance and driver information.
*/
class Hud : public RcObject {
public:
Hud(const Rc<DxvkDevice>& device);
~Hud();
/**
* \brief Update HUD
*
* Updates the data to display.
* Should be called once per frame.
*/
void update();
/**
* \brief Render HUD
*
* Renders the HUD to the given context.
* \param [in] ctx Device context
* \param [in] surfaceSize Image size, in pixels
*/
void render(
const Rc<DxvkContext>& ctx,
VkSurfaceFormatKHR surfaceFormat,
VkExtent2D surfaceSize);
/**
* \brief Adds a HUD item if enabled
*
* \tparam T The HUD item type
* \param [in] name HUD item name
* \param [in] args Constructor arguments
*/
template<typename T, typename... Args>
void addItem(const char* name, int32_t at, Args... args) {
m_hudItems.add<T>(name, at, std::forward<Args>(args)...);
}
/**
* \brief Creates the HUD
*
* Creates and initializes the HUD if the
* \c DXVK_HUD environment variable is set.
* \param [in] device The DXVK device
* \returns HUD object, if it was created.
*/
static Rc<Hud> createHud(
const Rc<DxvkDevice>& device);
private:
const Rc<DxvkDevice> m_device;
DxvkRasterizerState m_rsState;
DxvkBlendMode m_blendMode;
HudUniformData m_uniformData;
HudRenderer m_renderer;
HudItemSet m_hudItems;
float m_scale;
void setupRendererState(
const Rc<DxvkContext>& ctx,
VkSurfaceFormatKHR surfaceFormat,
VkExtent2D surfaceSize);
void resetRendererState(
const Rc<DxvkContext>& ctx);
void renderHudElements(
const Rc<DxvkContext>& ctx);
};
}
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