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6a9c990da7
Remove rg-etc1 code. Also updated travis to use ubuntu 14.04. Fixes #8457.
186 lines
5.8 KiB
C++
186 lines
5.8 KiB
C++
/*
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* Copyright 2015 The Etc2Comp Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "EtcFileHeader.h"
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#include "EtcBlock4x4EncodingBits.h"
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#include <assert.h>
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namespace Etc
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{
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// ----------------------------------------------------------------------------------------------------
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//
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FileHeader_Pkm::FileHeader_Pkm(File *a_pfile)
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{
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m_pfile = a_pfile;
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static const char s_acMagicNumberData[4] = { 'P', 'K', 'M', ' ' };
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static const char s_acVersionData[2] = { '1', '0' };
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for (unsigned int ui = 0; ui < sizeof(s_acMagicNumberData); ui++)
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{
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m_data.m_acMagicNumber[ui] = s_acMagicNumberData[ui];
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}
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for (unsigned int ui = 0; ui < sizeof(s_acVersionData); ui++)
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{
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m_data.m_acVersion[ui] = s_acVersionData[ui];
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}
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m_data.m_ucDataType_msb = 0; // ETC1_RGB_NO_MIPMAPS
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m_data.m_ucDataType_lsb = 0;
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m_data.m_ucOriginalWidth_msb = (unsigned char)(m_pfile->GetSourceWidth() >> 8);
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m_data.m_ucOriginalWidth_lsb = m_pfile->GetSourceWidth() & 0xFF;
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m_data.m_ucOriginalHeight_msb = (unsigned char)(m_pfile->GetSourceHeight() >> 8);
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m_data.m_ucOriginalHeight_lsb = m_pfile->GetSourceHeight() & 0xFF;
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m_data.m_ucExtendedWidth_msb = (unsigned char)(m_pfile->GetExtendedWidth() >> 8);
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m_data.m_ucExtendedWidth_lsb = m_pfile->GetExtendedWidth() & 0xFF;
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m_data.m_ucExtendedHeight_msb = (unsigned char)(m_pfile->GetExtendedHeight() >> 8);
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m_data.m_ucExtendedHeight_lsb = m_pfile->GetExtendedHeight() & 0xFF;
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}
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// ----------------------------------------------------------------------------------------------------
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//
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void FileHeader_Pkm::Write(FILE *a_pfile)
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{
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fwrite(&m_data, sizeof(Data), 1, a_pfile);
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}
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// ----------------------------------------------------------------------------------------------------
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//
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FileHeader_Ktx::FileHeader_Ktx(File *a_pfile)
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{
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m_pfile = a_pfile;
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static const uint8_t s_au8Itentfier[12] =
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{
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0xAB, 0x4B, 0x54, 0x58, // first four bytes of Byte[12] identifier
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0x20, 0x31, 0x31, 0xBB, // next four bytes of Byte[12] identifier
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0x0D, 0x0A, 0x1A, 0x0A // final four bytes of Byte[12] identifier
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};
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for (unsigned int ui = 0; ui < sizeof(s_au8Itentfier); ui++)
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{
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m_data.m_au8Identifier[ui] = s_au8Itentfier[ui];
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}
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m_data.m_u32Endianness = 0x04030201;
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m_data.m_u32GlType = 0;
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m_data.m_u32GlTypeSize = 1;
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m_data.m_u32GlFormat = 0;
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switch (m_pfile->GetImageFormat())
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{
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case Image::Format::RGB8:
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case Image::Format::SRGB8:
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m_data.m_u32GlInternalFormat = (unsigned int)InternalFormat::ETC2_RGB8;
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m_data.m_u32GlBaseInternalFormat = (unsigned int)BaseInternalFormat::ETC2_RGB8;
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break;
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case Image::Format::RGBA8:
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case Image::Format::SRGBA8:
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m_data.m_u32GlInternalFormat = (unsigned int)InternalFormat::ETC2_RGBA8;
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m_data.m_u32GlBaseInternalFormat = (unsigned int)BaseInternalFormat::ETC2_RGBA8;
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break;
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case Image::Format::RGB8A1:
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case Image::Format::SRGB8A1:
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m_data.m_u32GlInternalFormat = (unsigned int)InternalFormat::ETC2_RGB8A1;
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m_data.m_u32GlBaseInternalFormat = (unsigned int)BaseInternalFormat::ETC2_RGB8A1;
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break;
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case Image::Format::R11:
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m_data.m_u32GlInternalFormat = (unsigned int)InternalFormat::ETC2_R11;
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m_data.m_u32GlBaseInternalFormat = (unsigned int)BaseInternalFormat::ETC2_R11;
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break;
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case Image::Format::SIGNED_R11:
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m_data.m_u32GlInternalFormat = (unsigned int)InternalFormat::ETC2_SIGNED_R11;
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m_data.m_u32GlBaseInternalFormat = (unsigned int)BaseInternalFormat::ETC2_R11;
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break;
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case Image::Format::RG11:
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m_data.m_u32GlInternalFormat = (unsigned int)InternalFormat::ETC2_RG11;
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m_data.m_u32GlBaseInternalFormat = (unsigned int)BaseInternalFormat::ETC2_RG11;
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break;
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case Image::Format::SIGNED_RG11:
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m_data.m_u32GlInternalFormat = (unsigned int)InternalFormat::ETC2_SIGNED_RG11;
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m_data.m_u32GlBaseInternalFormat = (unsigned int)BaseInternalFormat::ETC2_RG11;
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break;
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default:
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m_data.m_u32GlInternalFormat = (unsigned int)InternalFormat::ETC1_RGB8;
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m_data.m_u32GlBaseInternalFormat = (unsigned int)BaseInternalFormat::ETC1_RGB8;
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break;
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}
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m_data.m_u32PixelWidth = 0;
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m_data.m_u32PixelHeight = 0;
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m_data.m_u32PixelDepth = 0;
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m_data.m_u32NumberOfArrayElements = 0;
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m_data.m_u32NumberOfFaces = 0;
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m_data.m_u32BytesOfKeyValueData = 0;
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m_pkeyvaluepair = nullptr;
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m_u32Images = 0;
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m_u32KeyValuePairs = 0;
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m_data.m_u32PixelWidth = m_pfile->GetSourceWidth();
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m_data.m_u32PixelHeight = m_pfile->GetSourceHeight();
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m_data.m_u32PixelDepth = 0;
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m_data.m_u32NumberOfArrayElements = 0;
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m_data.m_u32NumberOfFaces = 1;
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m_data.m_u32NumberOfMipmapLevels = m_pfile->GetNumMipmaps();
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}
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// ----------------------------------------------------------------------------------------------------
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//
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void FileHeader_Ktx::Write(FILE *a_pfile)
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{
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size_t szBytesWritten;
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// Write header
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szBytesWritten = fwrite(&m_data, 1, sizeof(Data), a_pfile);
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assert(szBytesWritten == sizeof(Data));
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// Write KeyAndValuePairs
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if (m_u32KeyValuePairs)
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{
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fwrite(m_pkeyvaluepair, m_pkeyvaluepair->u32KeyAndValueByteSize, 1, a_pfile);
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}
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}
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// ----------------------------------------------------------------------------------------------------
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//
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FileHeader_Ktx::Data *FileHeader_Ktx::GetData()
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{
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return &m_data;
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}
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// ----------------------------------------------------------------------------------------------------
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//
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} // namespace Etc
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