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https://github.com/NVIDIA/cuda-samples.git
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85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DDS_H
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#define DDS_H
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#if !defined(MAKEFOURCC)
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#define MAKEFOURCC(ch0, ch1, ch2, ch3) \
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((unsigned int)(ch0) | ((unsigned int)(ch1) << 8) | \
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((unsigned int)(ch2) << 16) | ((unsigned int)(ch3) << 24))
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#endif
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typedef unsigned int uint;
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typedef unsigned short ushort;
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struct DDSPixelFormat {
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uint size;
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uint flags;
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uint fourcc;
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uint bitcount;
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uint rmask;
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uint gmask;
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uint bmask;
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uint amask;
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};
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struct DDSCaps {
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uint caps1;
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uint caps2;
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uint caps3;
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uint caps4;
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};
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/// DDS file header.
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struct DDSHeader {
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uint fourcc;
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uint size;
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uint flags;
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uint height;
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uint width;
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uint pitch;
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uint depth;
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uint mipmapcount;
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uint reserved[11];
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DDSPixelFormat pf;
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DDSCaps caps;
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uint notused;
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};
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static const uint FOURCC_DDS = MAKEFOURCC('D', 'D', 'S', ' ');
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static const uint FOURCC_DXT1 = MAKEFOURCC('D', 'X', 'T', '1');
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static const uint DDSD_WIDTH = 0x00000004U;
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static const uint DDSD_HEIGHT = 0x00000002U;
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static const uint DDSD_CAPS = 0x00000001U;
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static const uint DDSD_PIXELFORMAT = 0x00001000U;
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static const uint DDSCAPS_TEXTURE = 0x00001000U;
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static const uint DDPF_FOURCC = 0x00000004U;
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static const uint DDSD_LINEARSIZE = 0x00080000U;
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#endif // DDS_H
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