From 2e36bd2ca1674f39059350c08c71c2f87a2b28f0 Mon Sep 17 00:00:00 2001
From: Georg Hagen <git.georg.hagen@madvoxel.com>
Date: Thu, 20 Nov 2025 17:05:11 +0100
Subject: [PATCH] Add texture image support for imgui

---
 .../UI/ImGuiExtensions/ImGuiTextureImage.cpp  | 23 +++++++++++++++++++
 .../UI/ImGuiExtensions/ImGuiTextureImage.hpp  | 17 ++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 openVulkanoCpp/Scene/UI/ImGuiExtensions/ImGuiTextureImage.cpp
 create mode 100644 openVulkanoCpp/Scene/UI/ImGuiExtensions/ImGuiTextureImage.hpp

diff --git a/openVulkanoCpp/Scene/UI/ImGuiExtensions/ImGuiTextureImage.cpp b/openVulkanoCpp/Scene/UI/ImGuiExtensions/ImGuiTextureImage.cpp
new file mode 100644
index 0000000..568d79b
--- /dev/null
+++ b/openVulkanoCpp/Scene/UI/ImGuiExtensions/ImGuiTextureImage.cpp
@@ -0,0 +1,23 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#include "ImGuiTextureImage.hpp"
+#include "Vulkan/Scene/VulkanTexture.hpp"
+
+namespace ImGui
+{
+	void TextureImage(const OpenVulkano::Scene::Texture& texture, ImVec2 size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& tintColor, const ImVec4& borderColor)
+	{
+		OpenVulkano::Vulkan::VulkanTexture* renderTexture = texture.GetRenderResource();
+		if (!renderTexture)
+		{
+			renderTexture = OpenVulkano::Vulkan::ResourceManager::INSTANCE->PrepareTexture(const_cast<OpenVulkano::Scene::Texture*>(&texture));
+		}
+		if (size.x < 0) size.x = texture.resolution.x;
+		if (size.y < 0) size.y = texture.resolution.y;
+		Image(renderTexture->m_descriptorSet, size, uv0, uv1, tintColor, borderColor);
+	}
+}
diff --git a/openVulkanoCpp/Scene/UI/ImGuiExtensions/ImGuiTextureImage.hpp b/openVulkanoCpp/Scene/UI/ImGuiExtensions/ImGuiTextureImage.hpp
new file mode 100644
index 0000000..0069a20
--- /dev/null
+++ b/openVulkanoCpp/Scene/UI/ImGuiExtensions/ImGuiTextureImage.hpp
@@ -0,0 +1,17 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include "Scene/Texture.hpp"
+#include <imgui.h>
+
+namespace ImGui
+{
+	void TextureImage(const OpenVulkano::Scene::Texture& texture, ImVec2 size = ImVec2(-1, -1),
+					  const ImVec2& uv0 = ImVec2(0, 0), const ImVec2& uv1 = ImVec2(1, 1),
+					  const ImVec4& tintColor = ImVec4(1, 1, 1, 1), const ImVec4& borderColor = ImVec4(0, 0, 0, 0));
+}