create a new VKTextureCreateInfo.h

2020-10-23 21:21:09 +08:00
parent d38739397e
commit 507c46cc78
8 changed files with 196 additions and 61 deletions
--- a/inc/hgl/graph/VKTextureCreateInfo.h
+++ b/inc/hgl/graph/VKTextureCreateInfo.h
@@ -0,0 +1,73 @@
+#ifndef HGL_GRAPH_VULKAN_TEXTURE_CREATE_INFO_INCLUDE
+#define HGL_GRAPH_VULKAN_TEXTURE_CREATE_INFO_INCLUDE
+
+#include<hgl/graph/VK.h>
+VK_NAMESPACE_BEGIN
+struct TextureData
+{
+    GPUMemory *         memory      =nullptr;
+    VkImage             image       =VK_NULL_HANDLE;
+    VkImageLayout       image_layout=VK_IMAGE_LAYOUT_UNDEFINED;
+    ImageView *         image_view  =nullptr;
+    uint32              mip_levels  =0;
+    VkImageTiling       tiling      =VK_IMAGE_TILING_OPTIMAL;
+};//struct TextureData
+
+struct TextureCreateInfo
+{
+    VkExtent3D          extent;
+    VkFormat            format;
+    uint32_t            usage;
+    uint32_t            mipmap;     ///<如果值>0表示提供的数据已有mipmaps，如果为0表示自动生成mipmaps
+    VkImageAspectFlags  aspect;
+    ImageTiling         tiling;
+
+    void *              pixels;
+    GPUBuffer *         buffer;
+
+    VkImage             image;
+    GPUMemory *         memory;
+    ImageView *         image_view;
+    VkImageLayout       image_layout;
+
+public:
+
+    TextureCreateInfo()
+    {
+        hgl_zero(*this);
+    }
+
+    TextureCreateInfo(const uint32_t aspect_bit):TextureCreateInfo()
+    {
+        usage=VK_IMAGE_USAGE_TRANSFER_DST_BIT|VK_IMAGE_USAGE_SAMPLED_BIT;
+
+        aspect=aspect_bit;
+        tiling=ImageTiling::Optimal;
+        image_layout=VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+    }
+};//struct TextureCreateInfo
+
+class AttachmentTextureCreateInfo:public TextureCreateInfo
+{
+public:
+
+    AttachmentTextureCreateInfo(const uint32_t aspect_bit):TextureCreateInfo()
+    {
+        aspect=aspect_bit;        
+        tiling=ImageTiling::Optimal;
+
+        if(aspect_bit&VK_IMAGE_ASPECT_COLOR_BIT)
+        {
+            usage=VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
+            image_layout=VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+        }
+        else
+        if(aspect_bit&VK_IMAGE_ASPECT_DEPTH_BIT)
+        {
+            usage=VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT|VK_IMAGE_USAGE_TRANSFER_SRC_BIT|VK_IMAGE_USAGE_TRANSFER_DST_BIT;
+            image_layout=VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
+        }
+    }
+};
+VK_NAMESPACE_END
+#endif//HGL_GRAPH_VULKAN_TEXTURE_CREATE_INFO_INCLUDE