104 lines
3.6 KiB
C++
104 lines
3.6 KiB
C++
#include<hgl/graph/vulkan/VKTexture.h>
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#include<hgl/graph/vulkan/VKImageView.h>
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#include<hgl/graph/vulkan/VKMemory.h>
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VK_NAMESPACE_BEGIN
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Texture::~Texture()
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{
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if(!data)return;
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if(data->image_view)
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delete data->image_view;
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if(data->memory) //没有memory的纹理都是从其它地方借来的，所以就不存在删除
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{
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delete data->memory;
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if(data->image)
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vkDestroyImage(device,data->image,nullptr);
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}
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}
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Texture2D *CreateTexture2D(VkDevice device,VkFormat format,uint32_t width,uint32_t height,VkImageAspectFlagBits aspectMask,VkImage image,VkImageLayout image_layout)
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{
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TextureData *tex_data=new TextureData;
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tex_data->memory =nullptr;
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tex_data->image =image;
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tex_data->image_layout =image_layout;
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tex_data->image_view =CreateImageView(device,VK_IMAGE_VIEW_TYPE_2D,format,aspectMask,image);
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tex_data->mip_levels =0;
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tex_data->linear =false;
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tex_data->format =format;
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tex_data->aspect =aspectMask;
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tex_data->extent.width =width;
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tex_data->extent.height =height;
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tex_data->extent.depth =1;
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return(new Texture2D(width,height,device,tex_data));
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}
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Texture2D *CreateTexture2D(VkDevice device,const PhysicalDevice *pd,const VkFormat format,uint32_t width,uint32_t height,const VkImageAspectFlags aspectMask,const uint usage,const VkImageLayout image_layout,const VkImageTiling tiling)
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{
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if(format<VK_FORMAT_BEGIN_RANGE||format>VK_FORMAT_END_RANGE)return(nullptr);
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if(width<1||height<1)return(nullptr);
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VkImageCreateInfo imageCreateInfo;
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imageCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
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imageCreateInfo.pNext = nullptr;
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imageCreateInfo.flags = 0;
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imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
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imageCreateInfo.format = format;
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imageCreateInfo.extent.width = width;
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imageCreateInfo.extent.height = height;
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imageCreateInfo.extent.depth = 1;
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imageCreateInfo.mipLevels = 1;
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imageCreateInfo.arrayLayers = 1;
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imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
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imageCreateInfo.usage = usage;
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imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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imageCreateInfo.queueFamilyIndexCount = 0;
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imageCreateInfo.pQueueFamilyIndices = nullptr;
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imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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imageCreateInfo.tiling = tiling;
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VkImage image;
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if(vkCreateImage(device, &imageCreateInfo, nullptr, &image)!=VK_SUCCESS)
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return(nullptr);
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VkMemoryRequirements memReqs;
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vkGetImageMemoryRequirements(device, image, &memReqs);
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Memory *dm=CreateMemory(device,pd,memReqs,VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
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if(dm&&dm->BindImage(image))
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{
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ImageView *image_view=CreateImageView2D(device,format,aspectMask,image);
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if(image_view)
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{
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TextureData *tex_data=new TextureData;
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tex_data->mip_levels = 0;
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tex_data->memory = dm;
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tex_data->image_layout = image_layout;
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tex_data->image = image;
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tex_data->image_view = image_view;
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tex_data->format = format;
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tex_data->aspect = aspectMask;
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tex_data->extent = imageCreateInfo.extent;
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return(new Texture2D(width,height,device,tex_data));
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}
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}
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delete dm;
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vkDestroyImage(device,image,nullptr);
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return(nullptr);
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}
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VK_NAMESPACE_END
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