Common: Add a range of Vulkan helper/wrapper classes

src/common/vulkan/texture.h

@@ -0,0 +1,72 @@
+// Copyright 2016 Dolphin Emulator Project
+// Copyright 2020 DuckStation Emulator Project
+// Licensed under GPLv2+
+// Refer to the LICENSE file included.
+
+#pragma once
+#include "../types.h"
+#include "vulkan_loader.h"
+#include <memory>
+
+namespace Vulkan {
+class Texture
+{
+public:
+  Texture();
+  Texture(Texture&& move);
+  Texture(const Texture&) = delete;
+  ~Texture();
+
+  Texture& operator=(Texture&& move);
+  Texture& operator=(const Texture&) = delete;
+
+  ALWAYS_INLINE bool IsValid() const { return (m_image != VK_NULL_HANDLE); }
+
+  /// An image is considered owned/managed if we control the memory.
+  ALWAYS_INLINE bool IsOwned() const { return (m_device_memory != VK_NULL_HANDLE); }
+
+  ALWAYS_INLINE u32 GetWidth() const { return m_width; }
+  ALWAYS_INLINE u32 GetHeight() const { return m_height; }
+  ALWAYS_INLINE u32 GetLevels() const { return m_levels; }
+  ALWAYS_INLINE u32 GetLayers() const { return m_layers; }
+  ALWAYS_INLINE VkFormat GetFormat() const { return m_format; }
+  ALWAYS_INLINE VkSampleCountFlagBits GetSamples() const { return m_samples; }
+  ALWAYS_INLINE VkImageLayout GetLayout() const { return m_layout; }
+  ALWAYS_INLINE VkImageViewType GetViewType() const { return m_view_type; }
+  ALWAYS_INLINE VkImage GetImage() const { return m_image; }
+  ALWAYS_INLINE VkDeviceMemory GetDeviceMemory() const { return m_device_memory; }
+  ALWAYS_INLINE VkImageView GetView() const { return m_view; }
+
+  bool Create(u32 width, u32 height, u32 levels, u32 layers, VkFormat format, VkSampleCountFlagBits samples,
+              VkImageViewType view_type, VkImageTiling tiling, VkImageUsageFlags usage);
+
+  bool Adopt(VkImage existing_image, VkImageViewType view_type, u32 width, u32 height, u32 levels, u32 layers,
+             VkFormat format, VkSampleCountFlagBits samples);
+
+  void Destroy(bool defer = true);
+
+  // Used when the render pass is changing the image layout, or to force it to
+  // VK_IMAGE_LAYOUT_UNDEFINED, if the existing contents of the image is
+  // irrelevant and will not be loaded.
+  void OverrideImageLayout(VkImageLayout new_layout);
+
+  void TransitionToLayout(VkCommandBuffer command_buffer, VkImageLayout new_layout);
+
+  VkFramebuffer CreateFramebuffer(VkRenderPass render_pass);
+
+private:
+  u32 m_width = 0;
+  u32 m_height = 0;
+  u32 m_levels = 0;
+  u32 m_layers = 0;
+  VkFormat m_format = VK_FORMAT_UNDEFINED;
+  VkSampleCountFlagBits m_samples = VK_SAMPLE_COUNT_1_BIT;
+  VkImageViewType m_view_type = VK_IMAGE_VIEW_TYPE_2D;
+  VkImageLayout m_layout = VK_IMAGE_LAYOUT_UNDEFINED;
+
+  VkImage m_image = VK_NULL_HANDLE;
+  VkDeviceMemory m_device_memory = VK_NULL_HANDLE;
+  VkImageView m_view = VK_NULL_HANDLE;
+};
+
+} // namespace Vulkan