80 lines
3.6 KiB
C++
80 lines
3.6 KiB
C++
//===============================================================================
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// Copyright (c) 2007-2016 Advanced Micro Devices, Inc. All rights reserved.
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// Copyright (c) 2004-2006 ATI Technologies Inc.
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//===============================================================================
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files(the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions :
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//
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// The above copyright notice and this permission notice shall be included in
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// 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, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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//
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// File Name: Codec_DXT5_xGxR.cpp
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// Description: implementation of the CCodec_DXT5_xGxR class
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//
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//////////////////////////////////////////////////////////////////////////////
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#include "common.h"
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#include "codec_dxt5_xgxr.h"
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//////////////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////////////
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CCodec_DXT5_xGxR::CCodec_DXT5_xGxR() :
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CCodec_DXT5_Swizzled(CT_DXT5_xGxR) {
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}
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CCodec_DXT5_xGxR::~CCodec_DXT5_xGxR() {
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}
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void CCodec_DXT5_xGxR::ReadBlock(CCodecBuffer& buffer, CMP_DWORD x, CMP_DWORD y, CMP_BYTE block[BLOCK_SIZE_4X4X4]) {
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CMP_BYTE dwTempBlock[BLOCK_SIZE_4X4X4];
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buffer.ReadBlockRGBA(x, y, 4, 4, dwTempBlock);
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for(CMP_DWORD i = 0; i < BLOCK_SIZE_4X4; i++)
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((CMP_DWORD*)block)[i] = SWIZZLE_RGBA_xGxR(((CMP_DWORD*)dwTempBlock)[i]);
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}
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void CCodec_DXT5_xGxR::WriteBlock(CCodecBuffer& buffer, CMP_DWORD x, CMP_DWORD y, CMP_BYTE block[BLOCK_SIZE_4X4X4]) {
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CMP_BYTE dwTempBlock[BLOCK_SIZE_4X4X4];
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for(CMP_DWORD i = 0; i < BLOCK_SIZE_4X4; i++)
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((CMP_DWORD*)dwTempBlock)[i] = SWIZZLE_xGxR_RGBA(((CMP_DWORD*)block)[i]);
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buffer.WriteBlockRGBA(x, y, 4, 4, dwTempBlock);
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}
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void CCodec_DXT5_xGxR::ReadBlock(CCodecBuffer& buffer, CMP_DWORD x, CMP_DWORD y, CODECFLOAT block[BLOCK_SIZE_4X4X4]) {
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CODECFLOAT fTempBlock[BLOCK_SIZE_4X4X4];
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buffer.ReadBlockRGBA(x, y, 4, 4, fTempBlock);
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for(CMP_DWORD i = 0; i < BLOCK_SIZE_4X4; i++) {
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block[(i* 4) + RGBA32F_OFFSET_R] = 0.0;
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block[(i* 4) + RGBA32F_OFFSET_G] = fTempBlock[(i* 4) + RGBA32F_OFFSET_G];
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block[(i* 4) + RGBA32F_OFFSET_B] = 0.0;
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block[(i* 4) + RGBA32F_OFFSET_A] = fTempBlock[(i* 4) + RGBA32F_OFFSET_R];
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}
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}
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void CCodec_DXT5_xGxR::WriteBlock(CCodecBuffer& buffer, CMP_DWORD x, CMP_DWORD y, CODECFLOAT block[BLOCK_SIZE_4X4X4]) {
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CODECFLOAT fTempBlock[BLOCK_SIZE_4X4X4];
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for(CMP_DWORD i = 0; i < BLOCK_SIZE_4X4; i++) {
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fTempBlock[(i* 4) + RGBA32F_OFFSET_R] = block[(i* 4) + RGBA32F_OFFSET_A];
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fTempBlock[(i* 4) + RGBA32F_OFFSET_G] = block[(i* 4) + RGBA32F_OFFSET_G];
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fTempBlock[(i* 4) + RGBA32F_OFFSET_B] = 0.0;
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fTempBlock[(i* 4) + RGBA32F_OFFSET_A] = 0.0;
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}
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buffer.WriteBlockRGBA(x, y, 4, 4, fTempBlock);
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} |