VulkanRhiContext.hpp

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#pragma once
 
#include <Gfx/Graph/interop/VkExternalMemoryHelpers.hpp>
 
#include <score/gfx/Vulkan.hpp>
 
#if QT_HAS_VULKAN
 
#include <QtGui/private/qrhivulkan_p.h>
 
#include <QVulkanInstance>
 
class QRhi;
class QVulkanDeviceFunctions;
 
namespace score::gfx::interop
{
 
struct VulkanRhiContext
{
  score::gfx::vkinterop::VulkanCtx vk{};
  QVulkanDeviceFunctions* devFuncs{};
  VkQueue gfxQueue{VK_NULL_HANDLE};
  int gfxFamily{-1};
};
 
inline bool acquireVulkanRhiContext(QRhi* rhi, VulkanRhiContext& out) noexcept
{
  if(!rhi || rhi->backend() != QRhi::Vulkan)
    return false;
  auto* h = static_cast<const QRhiVulkanNativeHandles*>(rhi->nativeHandles());
  QVulkanInstance* qInst = score::gfx::staticVulkanInstance(false);
  if(!h || !h->dev || !h->physDev || !qInst)
    return false;
  out.vk = {qInst->vkInstance(), h->physDev, h->dev, qInst};
  out.devFuncs = qInst->deviceFunctions(h->dev);
  out.gfxQueue = h->gfxQueue;
  out.gfxFamily = h->gfxQueueFamilyIdx;
  if(!out.devFuncs || !out.gfxQueue || out.gfxFamily < 0)
    return false;
  return true;
}
 
} // namespace score::gfx::interop
 
#endif // QT_HAS_VULKAN