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// vk-texture.cpp
#include "vk-texture.h"
namespace gfx
{
using namespace Slang;
namespace vk
{
TextureResourceImpl::TextureResourceImpl(const Desc& desc, DeviceImpl* device)
: Parent(desc), m_device(device)
{
}
TextureResourceImpl::~TextureResourceImpl()
{
auto& vkAPI = m_device->m_api;
if (!m_isWeakImageReference)
{
vkAPI.vkFreeMemory(vkAPI.m_device, m_imageMemory, nullptr);
vkAPI.vkDestroyImage(vkAPI.m_device, m_image, nullptr);
}
if (sharedHandle.handleValue != 0)
{
#if SLANG_WINDOWS_FAMILY
CloseHandle((HANDLE)sharedHandle.handleValue);
#endif
}
}
Result TextureResourceImpl::getNativeResourceHandle(InteropHandle* outHandle)
{
outHandle->handleValue = (uint64_t)m_image;
outHandle->api = InteropHandleAPI::Vulkan;
return SLANG_OK;
}
Result TextureResourceImpl::getSharedHandle(InteropHandle* outHandle)
{
// Check if a shared handle already exists for this resource.
if (sharedHandle.handleValue != 0)
{
*outHandle = sharedHandle;
return SLANG_OK;
}
// If a shared handle doesn't exist, create one and store it.
#if SLANG_WINDOWS_FAMILY
VkMemoryGetWin32HandleInfoKHR info = {};
info.sType = VK_STRUCTURE_TYPE_MEMORY_GET_WIN32_HANDLE_INFO_KHR;
info.pNext = nullptr;
info.memory = m_imageMemory;
info.handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32_BIT;
auto& api = m_device->m_api;
PFN_vkGetMemoryWin32HandleKHR vkCreateSharedHandle;
vkCreateSharedHandle = api.vkGetMemoryWin32HandleKHR;
if (!vkCreateSharedHandle)
{
return SLANG_FAIL;
}
SLANG_RETURN_ON_FAIL(
vkCreateSharedHandle(m_device->m_device, &info, (HANDLE*)&outHandle->handleValue) !=
VK_SUCCESS);
#else
VkMemoryGetFdInfoKHR info = {};
info.sType = VK_STRUCTURE_TYPE_MEMORY_GET_FD_INFO_KHR;
info.pNext = nullptr;
info.memory = m_imageMemory;
info.handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT;
auto& api = m_device->m_api;
PFN_vkGetMemoryFdKHR vkCreateSharedHandle;
vkCreateSharedHandle = api.vkGetMemoryFdKHR;
if (!vkCreateSharedHandle)
{
return SLANG_FAIL;
}
SLANG_RETURN_ON_FAIL(
vkCreateSharedHandle(m_device->m_device, &info, (int*)&outHandle->handleValue) !=
VK_SUCCESS);
#endif
outHandle->api = InteropHandleAPI::Vulkan;
return SLANG_OK;
}
Result TextureResourceImpl::setDebugName(const char* name)
{
Parent::setDebugName(name);
auto& api = m_device->m_api;
if (api.vkDebugMarkerSetObjectNameEXT)
{
VkDebugMarkerObjectNameInfoEXT nameDesc = {};
nameDesc.sType = VK_STRUCTURE_TYPE_DEBUG_MARKER_OBJECT_NAME_INFO_EXT;
nameDesc.object = (uint64_t)m_image;
nameDesc.objectType = VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT;
nameDesc.pObjectName = name;
api.vkDebugMarkerSetObjectNameEXT(api.m_device, &nameDesc);
}
return SLANG_OK;
}
} // namespace vk
} // namespace gfx
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