From 43e1b7cdc70b2fcac8a3e8ee72f5bc91726f4ec5 Mon Sep 17 00:00:00 2001
From: lucy96chen <47800040+lucy96chen@users.noreply.github.com>
Date: Thu, 26 May 2022 10:54:35 -0700
Subject: Split render-vk.h/.cpp into a set of smaller files (#2244)

* Some preliminary work on splitting render-vk

* render-vk split, tests currently crash on null reference

* fixed circular include
---
 tools/gfx/vulkan/vk-texture.cpp | 88 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 tools/gfx/vulkan/vk-texture.cpp

(limited to 'tools/gfx/vulkan/vk-texture.cpp')

diff --git a/tools/gfx/vulkan/vk-texture.cpp b/tools/gfx/vulkan/vk-texture.cpp
new file mode 100644
index 000000000..80a120033
--- /dev/null
+++ b/tools/gfx/vulkan/vk-texture.cpp
@@ -0,0 +1,88 @@
+// 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);
+#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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