82 lines
2.8 KiB
C++
82 lines
2.8 KiB
C++
//
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// KRTextureKTX2.h
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// Kraken Engine
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//
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// Copyright 2024 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#pragma once
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#include "KRTexture2D.h"
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class KRTextureKTX2 : public KRTexture2D
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{
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public:
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KRTextureKTX2(KRContext& context, mimir::Block* data, std::string name);
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virtual ~KRTextureKTX2();
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virtual std::string getExtension() override;
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bool uploadTexture(KRDevice& device, VkImage& image, int lod_max_dim, int& current_lod_max_dim, bool premultiply_alpha = false) override;
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virtual long getMemRequiredForSize(int max_dim) override;
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virtual hydra::Vector2i getDimensions() const override;
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virtual int getFaceCount() const override;
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virtual VkFormat getFormat() const override;
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protected:
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typedef struct
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{
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__uint8_t identifier[12];
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__uint32_t vkFormat;
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__uint32_t typeSize;
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__uint32_t pixelWidth;
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__uint32_t pixelHeight;
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__uint32_t pixelDepth;
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__uint32_t layerCount;
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__uint32_t faceCount;
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__uint32_t levelCount;
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__uint32_t supercompressionScheme;
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// Index
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__uint32_t dfdByteOffset;
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__uint32_t dfdByteLength;
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__uint32_t kvdByteOffset;
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__uint32_t kvdByteLength;
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__uint32_t sgdByteOffset;
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__uint32_t sgdByteLength;
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} KTX2Header;
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typedef struct
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{
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__uint64_t byteOffset;
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__uint64_t byteLength;
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__uint64_t uncompressedByteLength;
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} KTX2LevelIndex;
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KTX2Header m_header;
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};
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