vkaccelerationstructure.cc File Reference

#include "foundation/stdneb.h"
#include "coregraphics/mesh.h"
#include "coregraphics/accelerationstructure.h"
#include "vkaccelerationstructure.h"
#include "vkgraphicsdevice.h"
#include "vkbuffer.h"
#include "vktypes.h"

Namespaces
namespace	Vulkan
	Vulkan implementation of GPU acceleration structure.
namespace	CoreGraphics
	Acceleration structures are used to enable ray tracing on the GPU by dividing the scene into a BVH.

Functions
const VkDevice	Vulkan::BlasGetVkDevice (const CoreGraphics::BlasId id)
	Get device used to create blas.
const VkBuffer	Vulkan::BlasGetVkBuffer (const CoreGraphics::BlasId id)
	Get buffer holding TLAS data.
const VkAccelerationStructureKHR	Vulkan::BlasGetVk (const CoreGraphics::BlasId id)
	Get buffer representing the acceleration structure.
const VkAccelerationStructureBuildGeometryInfoKHR &	Vulkan::BlasGetVkBuild (const CoreGraphics::BlasId id)
	Get build info for bottom level acceleration structure.
const VkAccelerationStructureBuildRangeInfoKHR &	Vulkan::BlasGetVkRanges (const CoreGraphics::BlasId id)
	Get range infos for bottom level acceleration structure.
const VkDevice	Vulkan::TlasGetVkDevice (const CoreGraphics::TlasId id)
	Get device used to create Tlas.
const VkBuffer	Vulkan::TlasGetVkBuffer (const CoreGraphics::TlasId id)
	Get buffer holding TLAS data.
const VkAccelerationStructureKHR	Vulkan::TlasGetVk (const CoreGraphics::TlasId id)
	Get acceleration structure.
const VkAccelerationStructureBuildGeometryInfoKHR &	Vulkan::TlasGetVkBuild (const CoreGraphics::TlasId id)
	Get build info.
const Util::Array< VkAccelerationStructureBuildRangeInfoKHR > &	Vulkan::TlasGetVkRanges (const CoreGraphics::TlasId id)
	Get build ranges.
	CoreGraphics::_IMPL_ACQUIRE_RELEASE (BlasInstanceId, Vulkan::blasInstanceAllocator)
	CoreGraphics::_IMPL_ACQUIRE_RELEASE (BlasId, Vulkan::blasAllocator)
BlasId	CoreGraphics::CreateBlas (const BlasCreateInfo &info)
	Create bottom level acceleration structure.
void	CoreGraphics::DestroyBlas (const BlasId blac)
	Destroy bottom level acceleration structure.
BlasInstanceId	CoreGraphics::CreateBlasInstance (const BlasInstanceCreateInfo &info)
	Create an instance to a bottom level acceleration structure.
void	CoreGraphics::DestroyBlasInstance (const BlasInstanceId id)
	Destroy blas instance.
void	CoreGraphics::BlasInstanceUpdate (const BlasInstanceId id, const Math::mat4 &transform, CoreGraphics::BufferId buf, uint offset)
	Update blas instance and write to buffer.
void	CoreGraphics::BlasInstanceUpdate (const BlasInstanceId id, CoreGraphics::BufferId buf, uint offset)
	Update blas instance and write to buffer.
void	CoreGraphics::BlasInstanceSetMask (const BlasInstanceId id, uint mask)
	Set blas instance mask, setting it to 0x0 will disable it.
const SizeT	CoreGraphics::BlasInstanceGetSize ()
	Get instance size (platform dependent)
TlasId	CoreGraphics::CreateTlas (const TlasCreateInfo &info)
	Create top level acceleration structure.
void	CoreGraphics::DestroyTlas (const TlasId tlas)
	Destroy top level acceleration structure.
void	CoreGraphics::TlasInitBuild (const TlasId tlas)
	Initiate Tlas for build.
void	CoreGraphics::TlasInitUpdate (const TlasId tlas)
	Initiate Tlas for update.

Variables
VkBlasAllocator	Vulkan::blasAllocator
VkBlasInstanceAllocator	Vulkan::blasInstanceAllocator
VkTlasAllocator	Vulkan::tlasAllocator