mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-28 10:35:43 -05:00
125 lines
2.7 KiB
C++
125 lines
2.7 KiB
C++
/*
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* Copyright 2011-2012 Branimir Karadzic. All rights reserved.
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* License: http://www.opensource.org/licenses/BSD-2-Clause
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "bgfx_p.h"
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using namespace bgfx;
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#include "dds.h"
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#if 0
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# define BX_TRACE(_format, ...) fprintf(stderr, "" _format "\n", ##__VA_ARGS__)
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#endif // DEBUG
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#define BX_NAMESPACE 1
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#include <bx/bx.h>
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#include <bx/commandline.h>
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#include <bx/uint32_t.h>
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long int fsize(FILE* _file)
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{
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long int pos = ftell(_file);
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fseek(_file, 0L, SEEK_END);
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long int size = ftell(_file);
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fseek(_file, pos, SEEK_SET);
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return size;
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}
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int main(int _argc, const char* _argv[])
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{
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CommandLine cmdLine(_argc, _argv);
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FILE* file = fopen(_argv[1], "rb");
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uint32_t size = fsize(file);
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const Memory* mem = bgfx::alloc(size);
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fread(mem->data, 1, size, file);
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fclose(file);
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Dds dds;
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if (parseDds(dds, mem) )
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{
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bool decompress = cmdLine.hasArg('d');
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if (decompress
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|| 0 == dds.m_type)
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{
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for (uint8_t side = 0, numSides = dds.m_cubeMap ? 6 : 1; side < numSides; ++side)
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{
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uint32_t width = dds.m_width;
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uint32_t height = dds.m_height;
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for (uint32_t lod = 0, num = dds.m_numMips; lod < num; ++lod)
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{
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width = uint32_max(1, width);
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height = uint32_max(1, height);
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Mip mip;
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if (getRawImageData(dds, side, lod, mem, mip) )
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{
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uint32_t dstpitch = width*4;
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uint8_t* bits = (uint8_t*)malloc(dstpitch*height);
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if (width != mip.m_width
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|| height != mip.m_height)
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{
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uint8_t* temp = (uint8_t*)realloc(NULL, mip.m_width*mip.m_height*4);
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mip.decode(temp);
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uint32_t srcpitch = mip.m_width*4;
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for (uint32_t yy = 0; yy < height; ++yy)
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{
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uint8_t* src = &temp[yy*srcpitch];
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uint8_t* dst = &bits[yy*dstpitch];
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for (uint32_t xx = 0; xx < width; ++xx)
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{
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memcpy(dst, src, 4);
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dst += 4;
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src += 4;
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}
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}
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free(temp);
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}
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else
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{
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mip.decode(bits);
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}
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char filePath[256];
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_snprintf(filePath, sizeof(filePath), "mip%d_%d.tga", side, lod);
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bgfx::saveTga(filePath, width, height, dstpitch, bits);
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free(bits);
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}
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width >>= 1;
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height >>= 1;
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}
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}
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}
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else
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{
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for (uint32_t lod = 0, num = dds.m_numMips; lod < num; ++lod)
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{
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Mip mip;
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if (getRawImageData(dds, 0, lod, mem, mip) )
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{
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char filePath[256];
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_snprintf(filePath, sizeof(filePath), "mip%d.bin", lod);
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file = fopen(filePath, "wb");
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fwrite(mip.m_data, 1, mip.m_size, file);
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fclose(file);
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}
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}
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}
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}
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return EXIT_SUCCESS;
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}
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