98 lines
2.0 KiB
C
98 lines
2.0 KiB
C
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#ifndef HGL_GRAPH_VULKAN_TEXTURE_LOADER_INCLUDE
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#define HGL_GRAPH_VULKAN_TEXTURE_LOADER_INCLUDE
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#include<hgl/graph/TextureLoader.h>
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VK_NAMESPACE_BEGIN
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template<typename T,typename L>
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class VkTextureLoader:public L
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{
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protected:
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GPUDevice *device;
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GPUBuffer *buf;
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T *tex;
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bool auto_mipmaps;
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public:
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VkTextureLoader(GPUDevice *dev,const bool am)
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{
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device =dev;
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buf =nullptr;
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tex =nullptr;
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auto_mipmaps=am;
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}
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virtual ~VkTextureLoader()
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{
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SAFE_CLEAR(buf);
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SAFE_CLEAR(tex);
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}
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T *GetTexture()
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{
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T *result=tex;
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tex=nullptr;
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return result;
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}
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void *OnBegin(uint32 total_bytes) override
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{
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SAFE_CLEAR(buf);
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SAFE_CLEAR(tex);
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if(!CheckVulkanFormat(format))
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return(nullptr);
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buf=device->CreateBuffer(VK_BUFFER_USAGE_TRANSFER_SRC_BIT,total_bytes);
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if(!buf)
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return(nullptr);
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return buf->Map();
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}
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void OnEnd() override
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{
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buf->Unmap();
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TextureCreateInfo *tci=new TextureCreateInfo(format);
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tci->type=type;
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VkExtent3D extent;
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extent.width =file_header.width;
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extent.height =file_header.height;
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extent.depth =file_header.depth;
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tci->SetData(buf,extent);
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if(auto_mipmaps&&file_header.mipmaps<=1)
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{
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if(device->CheckFormatSupport(format,VK_FORMAT_FEATURE_BLIT_DST_BIT))
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{
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tci->usage|=VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
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tci->SetAutoMipmaps();
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}
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}
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else
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{
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tci->origin_mipmaps=
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tci->target_mipmaps=file_header.mipmaps;
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}
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tci->mipmap_zero_total_bytes=mipmap_zero_total_bytes;
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tex=device->CreateTexture2D(tci);
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if(tex)
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buf=nullptr;
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}
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};//class VkTextureLoader:public L
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VK_NAMESPACE_END
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#endif//HGL_GRAPH_VULKAN_TEXTURE_LOADER_INCLUDE
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