2007-05-17 00:11:38 +00:00
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// Copyright NVIDIA Corporation 2007 -- 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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#include <nvcore/Memory.h>
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#include <nvcore/Ptr.h>
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#include <nvimage/DirectDrawSurface.h>
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#include <nvimage/ColorBlock.h>
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#include <nvimage/BlockDXT.h>
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#include <nvimage/Image.h>
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#include <nvimage/FloatImage.h>
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#include <nvimage/Filter.h>
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#include <nvimage/Quantize.h>
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#include <nvimage/NormalMap.h>
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2008-01-26 02:46:12 +00:00
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#include "Compressor.h"
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2007-05-17 00:11:38 +00:00
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#include "InputOptions.h"
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#include "CompressionOptions.h"
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2007-12-17 03:51:34 +00:00
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#include "OutputOptions.h"
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2008-01-26 02:46:12 +00:00
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#include "CompressDXT.h"
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#include "FastCompressDXT.h"
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#include "CompressRGB.h"
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2007-05-17 00:11:38 +00:00
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#include "cuda/CudaUtils.h"
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#include "cuda/CudaCompressDXT.h"
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using namespace nv;
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using namespace nvtt;
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namespace
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{
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static int blockSize(Format format)
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{
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2007-09-04 10:00:32 +00:00
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if (format == Format_DXT1 || format == Format_DXT1a) {
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2007-05-17 00:11:38 +00:00
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return 8;
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}
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else if (format == Format_DXT3) {
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return 16;
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}
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else if (format == Format_DXT5 || format == Format_DXT5n) {
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return 16;
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}
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else if (format == Format_BC4) {
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return 8;
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}
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else if (format == Format_BC5) {
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return 16;
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}
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return 0;
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}
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2007-07-17 10:00:48 +00:00
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inline uint computePitch(uint w, uint bitsize)
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{
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uint p = w * ((bitsize + 7) / 8);
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// Align to 32 bits.
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return ((p + 3) / 4) * 4;
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}
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static int computeImageSize(uint w, uint h, uint bitCount, Format format)
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2007-05-17 00:11:38 +00:00
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{
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if (format == Format_RGBA) {
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2007-07-17 10:00:48 +00:00
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return h * computePitch(w, bitCount);
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2007-05-17 00:11:38 +00:00
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}
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else {
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return ((w + 3) / 4) * ((h + 3) / 4) * blockSize(format);
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}
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}
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} // namespace
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//
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// compress
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//
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2008-01-26 02:46:12 +00:00
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static bool outputHeader(const InputOptions::Private & inputOptions, const OutputOptions::Private & outputOptions, const CompressionOptions::Private & compressionOptions)
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2007-05-17 00:11:38 +00:00
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{
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// Output DDS header.
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2008-01-26 02:46:12 +00:00
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if (outputOptions.outputHandler == NULL || !outputOptions.outputHeader)
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2007-05-17 00:11:38 +00:00
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{
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2008-01-26 02:46:12 +00:00
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return true;
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}
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DDSHeader header;
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header.setWidth(inputOptions.targetWidth);
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header.setHeight(inputOptions.targetHeight);
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int mipmapCount = inputOptions.realMipmapCount();
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nvDebugCheck(mipmapCount > 0);
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header.setMipmapCount(mipmapCount);
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if (inputOptions.textureType == TextureType_2D) {
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header.setTexture2D();
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}
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else if (inputOptions.textureType == TextureType_Cube) {
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header.setTextureCube();
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}
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/*else if (inputOptions.textureType == TextureType_3D) {
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header.setTexture3D();
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header.setDepth(inputOptions.targetDepth);
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}*/
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if (compressionOptions.format == Format_RGBA)
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{
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header.setPitch(4 * inputOptions.targetWidth);
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header.setPixelFormat(compressionOptions.bitcount, compressionOptions.rmask, compressionOptions.gmask, compressionOptions.bmask, compressionOptions.amask);
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}
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else
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{
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header.setLinearSize(computeImageSize(inputOptions.targetWidth, inputOptions.targetHeight, compressionOptions.bitcount, compressionOptions.format));
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2007-05-17 00:11:38 +00:00
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2008-01-26 02:46:12 +00:00
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if (compressionOptions.format == Format_DXT1 || compressionOptions.format == Format_DXT1a) {
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header.setFourCC('D', 'X', 'T', '1');
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2008-01-30 08:21:55 +00:00
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if (inputOptions.isNormalMap) header.setNormalFlag(true);
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2007-05-17 00:11:38 +00:00
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}
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2008-01-26 02:46:12 +00:00
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else if (compressionOptions.format == Format_DXT3) {
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header.setFourCC('D', 'X', 'T', '3');
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2007-05-17 00:11:38 +00:00
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}
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2008-01-26 02:46:12 +00:00
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else if (compressionOptions.format == Format_DXT5) {
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header.setFourCC('D', 'X', 'T', '5');
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2007-05-17 00:11:38 +00:00
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}
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2008-01-26 02:46:12 +00:00
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else if (compressionOptions.format == Format_DXT5n) {
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header.setFourCC('D', 'X', 'T', '5');
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if (inputOptions.isNormalMap) header.setNormalFlag(true);
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2007-09-04 21:48:49 +00:00
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}
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2008-01-26 02:46:12 +00:00
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else if (compressionOptions.format == Format_BC4) {
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header.setFourCC('A', 'T', 'I', '1');
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2007-09-04 21:48:49 +00:00
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}
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2008-01-26 02:46:12 +00:00
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else if (compressionOptions.format == Format_BC5) {
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header.setFourCC('A', 'T', 'I', '2');
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if (inputOptions.isNormalMap) header.setNormalFlag(true);
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}
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}
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// Swap bytes if necessary.
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header.swapBytes();
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uint headerSize = 128;
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if (header.hasDX10Header())
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{
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nvStaticCheck(sizeof(DDSHeader) == 128 + 20);
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headerSize = 128 + 20;
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}
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bool writeSucceed = outputOptions.outputHandler->writeData(&header, headerSize);
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if (!writeSucceed && outputOptions.errorHandler != NULL)
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{
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outputOptions.errorHandler->error(Error_FileWrite);
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2007-05-17 00:11:38 +00:00
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}
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2008-01-26 02:46:12 +00:00
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return writeSucceed;
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2007-05-17 00:11:38 +00:00
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}
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2007-12-17 03:51:34 +00:00
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static bool compressMipmap(const Image * image, const OutputOptions::Private & outputOptions, const CompressionOptions::Private & compressionOptions)
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2007-05-17 00:11:38 +00:00
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{
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nvDebugCheck(image != NULL);
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if (compressionOptions.format == Format_RGBA || compressionOptions.format == Format_RGB)
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{
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compressRGB(image, outputOptions, compressionOptions);
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}
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else if (compressionOptions.format == Format_DXT1)
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{
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#if defined(HAVE_S3QUANT)
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if (compressionOptions.externalCompressor == "s3")
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{
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s3CompressDXT1(image, outputOptions);
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}
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else
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#endif
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#if defined(HAVE_ATITC)
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if (compressionOptions.externalCompressor == "ati")
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{
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atiCompressDXT1(image, outputOptions);
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}
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else
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#endif
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2007-07-09 10:31:54 +00:00
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if (compressionOptions.quality == Quality_Fastest)
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2007-05-17 00:11:38 +00:00
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{
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2007-07-09 10:31:54 +00:00
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fastCompressDXT1(image, outputOptions);
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2007-05-17 00:11:38 +00:00
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}
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else
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{
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2007-07-09 10:31:54 +00:00
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if (compressionOptions.useCuda && nv::cuda::isHardwarePresent())
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2007-05-17 00:11:38 +00:00
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{
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2007-07-09 10:31:54 +00:00
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cudaCompressDXT1(image, outputOptions, compressionOptions);
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2007-05-17 00:11:38 +00:00
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}
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else
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{
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compressDXT1(image, outputOptions, compressionOptions);
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}
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}
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}
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2007-09-04 10:00:32 +00:00
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else if (compressionOptions.format == Format_DXT1a)
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{
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2008-01-07 07:28:00 +00:00
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if (compressionOptions.quality == Quality_Fastest)
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{
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fastCompressDXT1a(image, outputOptions);
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}
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else
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{
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if (compressionOptions.useCuda && nv::cuda::isHardwarePresent())
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{
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2008-01-07 07:35:43 +00:00
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/*cuda*/compressDXT1a(image, outputOptions, compressionOptions);
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2008-01-07 07:28:00 +00:00
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}
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else
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{
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2008-01-07 07:35:43 +00:00
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compressDXT1a(image, outputOptions, compressionOptions);
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2008-01-07 07:28:00 +00:00
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}
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}
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2007-09-04 10:00:32 +00:00
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}
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2007-05-17 00:11:38 +00:00
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else if (compressionOptions.format == Format_DXT3)
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{
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if (compressionOptions.quality == Quality_Fastest)
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{
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fastCompressDXT3(image, outputOptions);
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}
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else
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{
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2007-07-09 10:31:54 +00:00
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if (compressionOptions.useCuda && nv::cuda::isHardwarePresent())
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{
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cudaCompressDXT3(image, outputOptions, compressionOptions);
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}
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else
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{
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compressDXT3(image, outputOptions, compressionOptions);
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}
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2007-05-17 00:11:38 +00:00
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}
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}
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else if (compressionOptions.format == Format_DXT5)
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{
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if (compressionOptions.quality == Quality_Fastest)
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{
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fastCompressDXT5(image, outputOptions);
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}
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else
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{
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2007-07-09 10:31:54 +00:00
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if (compressionOptions.useCuda && nv::cuda::isHardwarePresent())
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{
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cudaCompressDXT5(image, outputOptions, compressionOptions);
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}
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else
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{
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compressDXT5(image, outputOptions, compressionOptions);
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}
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2007-05-17 00:11:38 +00:00
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}
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}
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else if (compressionOptions.format == Format_DXT5n)
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{
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if (compressionOptions.quality == Quality_Fastest)
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{
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fastCompressDXT5n(image, outputOptions);
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}
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else
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{
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compressDXT5n(image, outputOptions, compressionOptions);
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}
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}
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else if (compressionOptions.format == Format_BC4)
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{
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compressBC4(image, outputOptions, compressionOptions);
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}
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else if (compressionOptions.format == Format_BC5)
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{
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compressBC5(image, outputOptions, compressionOptions);
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}
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return true;
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}
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// Convert input image to linear float image.
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static FloatImage * toFloatImage(const Image * image, const InputOptions::Private & inputOptions)
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{
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nvDebugCheck(image != NULL);
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FloatImage * floatImage = new FloatImage(image);
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2007-12-17 03:51:34 +00:00
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if (inputOptions.isNormalMap)
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2007-05-18 02:19:51 +00:00
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{
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// Expand normals. to [-1, 1] range.
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// floatImage->expandNormals(0);
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}
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else if (inputOptions.inputGamma != 1.0f)
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{
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// Convert to linear space.
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2007-05-17 00:11:38 +00:00
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floatImage->toLinear(0, 3, inputOptions.inputGamma);
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}
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return floatImage;
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}
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// Convert linear float image to output image.
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static Image * toFixedImage(const FloatImage * floatImage, const InputOptions::Private & inputOptions)
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{
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nvDebugCheck(floatImage != NULL);
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2007-12-17 03:51:34 +00:00
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if (inputOptions.isNormalMap || inputOptions.outputGamma == 1.0f)
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{
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return floatImage->createImage();
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}
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else
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{
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return floatImage->createImageGammaCorrect(inputOptions.outputGamma);
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}
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2007-05-17 00:11:38 +00:00
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}
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// Create mipmap from the given image.
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static FloatImage * createMipmap(const FloatImage * floatImage, const InputOptions::Private & inputOptions)
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{
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FloatImage * result = NULL;
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if (inputOptions.mipmapFilter == MipmapFilter_Box)
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{
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// Use fast downsample.
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result = floatImage->fastDownSample();
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}
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else if (inputOptions.mipmapFilter == MipmapFilter_Triangle)
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{
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2007-12-02 10:31:37 +00:00
|
|
|
TriangleFilter filter;
|
|
|
|
result = floatImage->downSample(filter, (FloatImage::WrapMode)inputOptions.wrapMode);
|
2007-05-17 00:11:38 +00:00
|
|
|
}
|
|
|
|
else /*if (inputOptions.mipmapFilter == MipmapFilter_Kaiser)*/
|
|
|
|
{
|
2007-12-02 10:31:37 +00:00
|
|
|
nvDebugCheck(inputOptions.mipmapFilter == MipmapFilter_Kaiser);
|
2007-12-17 03:51:34 +00:00
|
|
|
KaiserFilter filter(inputOptions.kaiserWidth);
|
2007-12-02 10:31:37 +00:00
|
|
|
filter.setParameters(inputOptions.kaiserAlpha, inputOptions.kaiserStretch);
|
|
|
|
result = floatImage->downSample(filter, (FloatImage::WrapMode)inputOptions.wrapMode);
|
2007-05-17 00:11:38 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Normalize mipmap.
|
2007-12-17 03:51:34 +00:00
|
|
|
if ((inputOptions.isNormalMap || inputOptions.convertToNormalMap) && inputOptions.normalizeMipmaps)
|
2007-05-17 00:11:38 +00:00
|
|
|
{
|
2007-11-22 01:52:10 +00:00
|
|
|
normalizeNormalMap(result);
|
2007-05-17 00:11:38 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Quantize the input image to the precision of the output format.
|
2008-01-07 07:28:00 +00:00
|
|
|
static void quantize(Image * img, const CompressionOptions::Private & compressionOptions)
|
2007-05-17 00:11:38 +00:00
|
|
|
{
|
2008-01-07 07:28:00 +00:00
|
|
|
if (compressionOptions.enableColorDithering)
|
2007-05-17 00:11:38 +00:00
|
|
|
{
|
2008-01-07 07:28:00 +00:00
|
|
|
if (compressionOptions.format >= Format_DXT1 && compressionOptions.format <= Format_DXT5)
|
2007-05-17 00:11:38 +00:00
|
|
|
{
|
|
|
|
Quantize::FloydSteinberg_RGB16(img);
|
|
|
|
}
|
|
|
|
}
|
2008-01-07 07:28:00 +00:00
|
|
|
if (compressionOptions.binaryAlpha)
|
2007-05-17 00:11:38 +00:00
|
|
|
{
|
2008-01-07 07:28:00 +00:00
|
|
|
if (compressionOptions.enableAlphaDithering)
|
2007-05-17 00:11:38 +00:00
|
|
|
{
|
2008-01-07 07:28:00 +00:00
|
|
|
Quantize::FloydSteinberg_BinaryAlpha(img, compressionOptions.alphaThreshold);
|
2007-05-17 00:11:38 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2008-01-07 07:28:00 +00:00
|
|
|
Quantize::BinaryAlpha(img, compressionOptions.alphaThreshold);
|
2007-05-17 00:11:38 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2008-01-07 07:28:00 +00:00
|
|
|
if (compressionOptions.enableAlphaDithering)
|
2007-05-17 00:11:38 +00:00
|
|
|
{
|
2008-01-07 07:28:00 +00:00
|
|
|
if (compressionOptions.format == Format_DXT3)
|
2007-05-17 00:11:38 +00:00
|
|
|
{
|
|
|
|
Quantize::Alpha4(img);
|
|
|
|
}
|
2008-01-07 07:28:00 +00:00
|
|
|
else if (compressionOptions.format == Format_DXT1a)
|
2007-05-17 00:11:38 +00:00
|
|
|
{
|
2008-01-07 07:28:00 +00:00
|
|
|
Quantize::BinaryAlpha(img, compressionOptions.alphaThreshold);
|
2007-09-04 10:00:32 +00:00
|
|
|
}
|
2007-05-17 00:11:38 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-01-18 08:49:57 +00:00
|
|
|
// Process the input, convert to normal map, normalize, or convert to linear space.
|
2007-12-17 03:51:34 +00:00
|
|
|
static FloatImage * processInput(const InputOptions::Private & inputOptions, int idx)
|
|
|
|
{
|
2008-01-31 09:17:32 +00:00
|
|
|
const InputOptions::Private::InputImage & mipmap = inputOptions.images[idx];
|
2007-12-17 03:51:34 +00:00
|
|
|
|
|
|
|
if (inputOptions.convertToNormalMap)
|
|
|
|
{
|
|
|
|
// Scale height factor by 1 / 2 ^ m // @@ Compute scale factor exactly...
|
|
|
|
Vector4 heightScale = inputOptions.heightFactors / float(1 << idx);
|
|
|
|
return createNormalMap(mipmap.data.ptr(), (FloatImage::WrapMode)inputOptions.wrapMode, heightScale, inputOptions.bumpFrequencyScale);
|
|
|
|
}
|
|
|
|
else if (inputOptions.isNormalMap)
|
|
|
|
{
|
|
|
|
if (inputOptions.normalizeMipmaps)
|
|
|
|
{
|
|
|
|
FloatImage * img = new FloatImage(mipmap.data.ptr());
|
2008-01-31 21:48:02 +00:00
|
|
|
normalizeNormalMap(img);
|
2007-12-17 03:51:34 +00:00
|
|
|
return img;
|
2008-01-31 21:48:02 +00:00
|
|
|
}
|
2007-12-17 03:51:34 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (inputOptions.inputGamma != inputOptions.outputGamma)
|
|
|
|
{
|
|
|
|
FloatImage * img = new FloatImage(mipmap.data.ptr());
|
|
|
|
img->toLinear(0, 3, inputOptions.inputGamma);
|
|
|
|
return img;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
2007-05-17 00:11:38 +00:00
|
|
|
|
2007-12-17 03:51:34 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
struct ImagePair
|
|
|
|
{
|
|
|
|
ImagePair() : m_floatImage(NULL), m_fixedImage(NULL), m_deleteFixedImage(false) {}
|
|
|
|
~ImagePair()
|
|
|
|
{
|
|
|
|
if (m_deleteFixedImage) {
|
|
|
|
delete m_fixedImage;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void setFloatImage(FloatImage * image)
|
|
|
|
{
|
|
|
|
m_floatImage = image;
|
|
|
|
if (m_deleteFixedImage) delete m_fixedImage;
|
|
|
|
m_fixedImage = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
void setFixedImage(Image * image, bool deleteImage)
|
|
|
|
{
|
|
|
|
m_floatImage = NULL;
|
|
|
|
if (m_deleteFixedImage) delete m_fixedImage;
|
|
|
|
m_fixedImage = image;
|
|
|
|
m_deleteFixedImage = deleteImage;
|
|
|
|
}
|
|
|
|
|
|
|
|
FloatImage * floatImage() const { return m_floatImage.ptr(); }
|
|
|
|
Image * fixedImage() const { return m_fixedImage; }
|
|
|
|
|
|
|
|
void toFixed(const InputOptions::Private & inputOptions)
|
|
|
|
{
|
|
|
|
if (m_floatImage != NULL)
|
|
|
|
{
|
|
|
|
// Convert to fixed.
|
|
|
|
m_fixedImage = toFixedImage(m_floatImage.ptr(), inputOptions);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
|
|
|
AutoPtr<FloatImage> m_floatImage;
|
|
|
|
Image * m_fixedImage;
|
|
|
|
bool m_deleteFixedImage;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Find the first mipmap provided that is greater or equal to the target image size.
|
|
|
|
static int findMipmap(const InputOptions::Private & inputOptions, uint f, int firstMipmap, uint w, uint h, uint d)
|
|
|
|
{
|
2007-12-17 05:19:55 +00:00
|
|
|
nvDebugCheck(firstMipmap >= 0);
|
|
|
|
|
2007-12-17 03:51:34 +00:00
|
|
|
int bestIdx = -1;
|
|
|
|
|
2007-12-17 05:19:55 +00:00
|
|
|
for (int m = firstMipmap; m < int(inputOptions.mipmapCount); m++)
|
2007-12-17 03:51:34 +00:00
|
|
|
{
|
|
|
|
int idx = f * inputOptions.mipmapCount + m;
|
2008-01-31 09:17:32 +00:00
|
|
|
const InputOptions::Private::InputImage & mipmap = inputOptions.images[idx];
|
2007-12-17 03:51:34 +00:00
|
|
|
|
2007-12-17 05:19:55 +00:00
|
|
|
if (mipmap.width >= int(w) && mipmap.height >= int(h) && mipmap.depth >= int(d))
|
2007-12-17 03:51:34 +00:00
|
|
|
{
|
|
|
|
if (mipmap.data != NULL)
|
|
|
|
{
|
|
|
|
bestIdx = idx;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// Do not look further down.
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return bestIdx;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static int findImage(const InputOptions::Private & inputOptions, uint f, uint w, uint h, uint d, int inputImageIdx, ImagePair * pair)
|
|
|
|
{
|
|
|
|
nvDebugCheck(w > 0 && h > 0);
|
2007-12-17 05:19:55 +00:00
|
|
|
nvDebugCheck(inputImageIdx >= 0 && inputImageIdx < int(inputOptions.mipmapCount));
|
2007-12-17 03:51:34 +00:00
|
|
|
nvDebugCheck(pair != NULL);
|
|
|
|
|
|
|
|
int bestIdx = findMipmap(inputOptions, f, inputImageIdx, w, h, d);
|
2008-01-31 09:17:32 +00:00
|
|
|
const InputOptions::Private::InputImage & mipmap = inputOptions.images[bestIdx];
|
2007-12-17 03:51:34 +00:00
|
|
|
|
|
|
|
if (mipmap.width == w && mipmap.height == h && mipmap.depth == d)
|
|
|
|
{
|
|
|
|
// Generate from input image.
|
|
|
|
AutoPtr<FloatImage> processedImage( processInput(inputOptions, bestIdx) );
|
|
|
|
|
|
|
|
if (processedImage != NULL)
|
|
|
|
{
|
|
|
|
pair->setFloatImage(processedImage.release());
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
pair->setFixedImage(mipmap.data.ptr(), false);
|
|
|
|
}
|
|
|
|
|
|
|
|
return bestIdx;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (pair->floatImage() == NULL && pair->fixedImage() == NULL)
|
|
|
|
{
|
|
|
|
// Generate from input image and resize.
|
|
|
|
AutoPtr<FloatImage> processedImage( processInput(inputOptions, bestIdx) );
|
|
|
|
|
|
|
|
if (processedImage == NULL)
|
|
|
|
{
|
|
|
|
processedImage = new FloatImage(mipmap.data.ptr());
|
|
|
|
}
|
|
|
|
|
|
|
|
// Resize image. @@ Add more filters. @@ Distinguish between downscaling and reconstruction filters.
|
|
|
|
BoxFilter boxFilter;
|
|
|
|
pair->setFloatImage(processedImage->downSample(boxFilter, w, h, (FloatImage::WrapMode)inputOptions.wrapMode));
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// Generate from previous mipmap.
|
|
|
|
if (pair->floatImage() == NULL)
|
|
|
|
{
|
|
|
|
nvDebugCheck(pair->fixedImage() != NULL);
|
|
|
|
pair->setFloatImage(toFloatImage(pair->fixedImage(), inputOptions));
|
|
|
|
}
|
|
|
|
|
|
|
|
// Create mipmap.
|
|
|
|
pair->setFloatImage(createMipmap(pair->floatImage(), inputOptions));
|
|
|
|
}
|
|
|
|
}
|
2007-12-17 05:19:55 +00:00
|
|
|
|
|
|
|
|
|
|
|
return bestIdx; // @@ ???
|
2007-12-17 03:51:34 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static bool compressMipmaps(uint f, const InputOptions::Private & inputOptions, const OutputOptions::Private & outputOptions, const CompressionOptions::Private & compressionOptions)
|
|
|
|
{
|
|
|
|
uint w = inputOptions.targetWidth;
|
|
|
|
uint h = inputOptions.targetHeight;
|
|
|
|
uint d = inputOptions.targetDepth;
|
|
|
|
|
|
|
|
int inputImageIdx = findMipmap(inputOptions, f, 0, w, h, d);
|
|
|
|
if (inputImageIdx == -1)
|
|
|
|
{
|
|
|
|
// First mipmap missing.
|
|
|
|
if (outputOptions.errorHandler != NULL) outputOptions.errorHandler->error(Error_InvalidInput);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
ImagePair pair;
|
2008-01-07 07:28:00 +00:00
|
|
|
|
|
|
|
const uint mipmapCount = inputOptions.realMipmapCount();
|
|
|
|
nvDebugCheck(mipmapCount > 0);
|
|
|
|
|
|
|
|
for (uint m = 0; m < mipmapCount; m++)
|
2007-12-17 03:51:34 +00:00
|
|
|
{
|
|
|
|
if (outputOptions.outputHandler)
|
|
|
|
{
|
|
|
|
int size = computeImageSize(w, h, compressionOptions.bitcount, compressionOptions.format);
|
|
|
|
outputOptions.outputHandler->mipmap(size, w, h, d, f, m);
|
|
|
|
}
|
|
|
|
|
|
|
|
inputImageIdx = findImage(inputOptions, f, w, h, d, inputImageIdx, &pair);
|
|
|
|
|
|
|
|
// @@ Where to do the color transform?
|
|
|
|
// - Color transform may not be linear, so we cannot do before computing mipmaps.
|
|
|
|
// - Should be done in linear space, that is, after gamma correction.
|
|
|
|
|
|
|
|
|
|
|
|
pair.toFixed(inputOptions);
|
|
|
|
|
|
|
|
// @@ Quantization should be done in compressMipmap! @@ It should not modify the input image!!!
|
2008-01-07 07:28:00 +00:00
|
|
|
quantize(pair.fixedImage(), compressionOptions);
|
2007-12-17 03:51:34 +00:00
|
|
|
|
|
|
|
compressMipmap(pair.fixedImage(), outputOptions, compressionOptions);
|
|
|
|
|
|
|
|
// Compute extents of next mipmap:
|
|
|
|
w = max(1U, w / 2);
|
|
|
|
h = max(1U, h / 2);
|
|
|
|
d = max(1U, d / 2);
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static bool compress(const InputOptions::Private & inputOptions, const OutputOptions::Private & outputOptions, const CompressionOptions::Private & compressionOptions)
|
2007-05-17 00:11:38 +00:00
|
|
|
{
|
|
|
|
// Make sure enums match.
|
|
|
|
nvStaticCheck(FloatImage::WrapMode_Clamp == (FloatImage::WrapMode)WrapMode_Clamp);
|
|
|
|
nvStaticCheck(FloatImage::WrapMode_Mirror == (FloatImage::WrapMode)WrapMode_Mirror);
|
|
|
|
nvStaticCheck(FloatImage::WrapMode_Repeat == (FloatImage::WrapMode)WrapMode_Repeat);
|
|
|
|
|
2007-12-17 03:51:34 +00:00
|
|
|
// Get output handler.
|
|
|
|
if (!outputOptions.openFile())
|
|
|
|
{
|
|
|
|
if (outputOptions.errorHandler) outputOptions.errorHandler->error(Error_FileOpen);
|
2008-01-26 02:46:12 +00:00
|
|
|
return false;
|
2007-12-17 03:51:34 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
inputOptions.computeTargetExtents();
|
|
|
|
|
2007-05-17 00:11:38 +00:00
|
|
|
// Output DDS header.
|
2008-01-26 02:46:12 +00:00
|
|
|
if (!outputHeader(inputOptions, outputOptions, compressionOptions))
|
|
|
|
{
|
|
|
|
return false;
|
|
|
|
}
|
2007-05-17 00:11:38 +00:00
|
|
|
|
2007-12-17 03:51:34 +00:00
|
|
|
for (uint f = 0; f < inputOptions.faceCount; f++)
|
2007-05-17 00:11:38 +00:00
|
|
|
{
|
2007-12-17 03:51:34 +00:00
|
|
|
if (!compressMipmaps(f, inputOptions, outputOptions, compressionOptions))
|
|
|
|
{
|
|
|
|
return false;
|
|
|
|
}
|
2007-05-17 00:11:38 +00:00
|
|
|
}
|
|
|
|
|
2007-12-17 03:51:34 +00:00
|
|
|
outputOptions.closeFile();
|
|
|
|
|
2007-05-17 00:11:38 +00:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-01-26 02:46:12 +00:00
|
|
|
|
|
|
|
|
2007-12-17 03:51:34 +00:00
|
|
|
/// Compress the input texture with the given compression options.
|
2008-01-26 02:46:12 +00:00
|
|
|
bool Compressor::process(const InputOptions & inputOptions, const CompressionOptions & compressionOptions, const OutputOptions & outputOptions) const
|
2007-12-17 03:51:34 +00:00
|
|
|
{
|
|
|
|
return ::compress(inputOptions.m, outputOptions.m, compressionOptions.m);
|
|
|
|
}
|
2007-05-17 00:11:38 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// Return a string for the given error.
|
|
|
|
const char * nvtt::errorString(Error e)
|
|
|
|
{
|
|
|
|
switch(e)
|
|
|
|
{
|
2008-01-26 02:46:12 +00:00
|
|
|
case Error_Unknown:
|
|
|
|
return "Unknown error";
|
2007-05-17 00:11:38 +00:00
|
|
|
case Error_InvalidInput:
|
|
|
|
return "Invalid input";
|
|
|
|
case Error_UnsupportedFeature:
|
|
|
|
return "Unsupported feature";
|
|
|
|
case Error_CudaError:
|
|
|
|
return "CUDA error";
|
2007-12-17 03:51:34 +00:00
|
|
|
case Error_FileOpen:
|
|
|
|
return "Error opening file";
|
|
|
|
case Error_FileWrite:
|
|
|
|
return "Error writing through output handler";
|
2007-05-17 00:11:38 +00:00
|
|
|
}
|
2007-12-17 03:51:34 +00:00
|
|
|
|
|
|
|
return "Invalid error";
|
2007-05-17 00:11:38 +00:00
|
|
|
}
|
|
|
|
|