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114 lines
4.8 KiB
C++
114 lines
4.8 KiB
C++
// Copyright (c) 2009-2011 Ignacio Castano <castano@gmail.com>
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// Copyright (c) 2007-2009 NVIDIA Corporation -- Ignacio Castano <icastano@nvidia.com>
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#ifndef NV_TT_CUDACOMPRESSORDXT_H
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#define NV_TT_CUDACOMPRESSORDXT_H
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#include "nvtt/nvtt.h"
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#include "nvtt/Compressor.h" // CompressorInterface
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struct cudaArray;
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namespace nv
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{
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class CudaContext
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{
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public:
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CudaContext();
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~CudaContext();
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bool isValid() const;
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public:
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// Device pointers.
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uint * bitmapTable;
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uint * bitmapTableCTX;
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uint * data;
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uint * result;
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};
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#if defined HAVE_CUDA
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struct CudaCompressor : public CompressorInterface
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{
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CudaCompressor(CudaContext & ctx);
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virtual void compress(nvtt::AlphaMode alphaMode, uint w, uint h, uint d, const float * data, nvtt::TaskDispatcher * dispatcher, const nvtt::CompressionOptions::Private & compressionOptions, const nvtt::OutputOptions::Private & outputOptions);
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virtual void setup(cudaArray * image, const nvtt::CompressionOptions::Private & compressionOptions) = 0;
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virtual void compressBlocks(uint first, uint count, uint w, uint h, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output) = 0;
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virtual uint blockSize() const = 0;
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protected:
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CudaContext & m_ctx;
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};
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struct CudaCompressorDXT1 : public CudaCompressor
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{
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CudaCompressorDXT1(CudaContext & ctx) : CudaCompressor(ctx) {}
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virtual void setup(cudaArray * image, const nvtt::CompressionOptions::Private & compressionOptions);
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virtual void compressBlocks(uint first, uint count, uint w, uint h, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 8; };
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};
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/*struct CudaCompressorDXT1n : public CudaCompressor
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{
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virtual void setup(const CompressionOptions::Private & compressionOptions);
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virtual void compressBlocks(uint blockCount, const void * input, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output) = 0;
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virtual uint blockSize() const { return 8; };
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};*/
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struct CudaCompressorDXT3 : public CudaCompressor
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{
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CudaCompressorDXT3(CudaContext & ctx) : CudaCompressor(ctx) {}
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virtual void setup(cudaArray * image, const nvtt::CompressionOptions::Private & compressionOptions);
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virtual void compressBlocks(uint first, uint count, uint w, uint h, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 16; };
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};
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struct CudaCompressorDXT5 : public CudaCompressor
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{
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CudaCompressorDXT5(CudaContext & ctx) : CudaCompressor(ctx) {}
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virtual void setup(cudaArray * image, const nvtt::CompressionOptions::Private & compressionOptions);
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virtual void compressBlocks(uint first, uint count, uint w, uint h, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);
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virtual uint blockSize() const { return 16; };
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};
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/*struct CudaCompressorCXT1 : public CudaCompressor
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{
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virtual void setup(const CompressionOptions::Private & compressionOptions);
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virtual void compressBlocks(uint blockCount, const void * input, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output) = 0;
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virtual uint blockSize() const { return 8; };
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};*/
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#endif // defined HAVE_CUDA
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} // nv namespace
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#endif // NV_TT_CUDAUTILS_H
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