Added initial implementation of Vulkan Render Passes.

gpu/vulkan/vulkan_image_view.h

+// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef GPU_VULKAN_VULKAN_IMAGE_VIEW_H_
+#define GPU_VULKAN_VULKAN_IMAGE_VIEW_H_
+
+#include <vulkan/vulkan.h>
+
+#include "base/macros.h"
+
+namespace gpu {
+
+class VulkanImageView {
+ public:
+  enum ImageType {
+    IMAGE_TYPE_COLOR,
+    IMAGE_TYPE_DEPTH,
+    IMAGE_TYPE_STENCIL,
+    IMAGE_TYPE_DEPTH_STENCIL,
+
+    NUM_IMAGE_TYPES,
+    IMAGE_TYPE_INVALID = -1,
+  };
+
+  VulkanImageView();
+  ~VulkanImageView();
+
+  bool Initialize(VkImage image,
+                  VkImageViewType image_view_type,
+                  ImageType image_type,
+                  VkFormat format,
+                  uint32_t width,
+                  uint32_t height,
+                  uint32_t base_mip_level,
+                  uint32_t num_mips,
+                  uint32_t base_layer_level,
+                  uint32_t num_layers);
+  void Destroy();
+
+  ImageType image_type() const { return image_type_; }
+  VkImageView handle() const { return handle_; }
+  VkFormat format() const { return format_; }
+  uint32_t width() const { return width_; }
+  uint32_t height() const { return height_; }
+  uint32_t mips() const { return mips_; }
+  uint32_t layers() const { return layers_; }
+
+ private:
+  ImageType image_type_ = IMAGE_TYPE_INVALID;
+  VkImageView handle_ = VK_NULL_HANDLE;
+  VkFormat format_ = VK_FORMAT_UNDEFINED;
+  uint32_t width_ = 0;
+  uint32_t height_ = 0;
+  uint32_t mips_ = 0;
+  uint32_t layers_ = 0;
+
+  DISALLOW_COPY_AND_ASSIGN(VulkanImageView);
+};
+
+}  // namespace gpu
+
+#endif  // GPU_VULKAN_VULKAN_IMAGE_VIEW_H_