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Updated TXTR

This commit is contained in:
Jack Andersen 2015-07-19 10:51:44 -10:00
parent 78f4dbc5cd
commit 149165ee97
1 changed files with 14 additions and 13 deletions
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27
DataSpec/DNACommon/TXTR.cpp
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@ -1,5 +1,5 @@
#include <png.h>
#include <colourblockGCN.h>
#include <squish.h>
#include "TXTR.hpp"
namespace Retro
@ -41,7 +41,7 @@ static inline uint8_t Lookup4BPP(const uint8_t* texels, int width, int x, int y)
int ry = y % 8;
int bidx = by * bwidth + bx;
const uint8_t* btexels = &texels[32*bidx];
return btexels[ry*4+rx/2] << ((rx%2)?0:4) & 0xf;
return btexels[ry*4+rx/2] >> ((rx%2)?0:4) & 0xf;
}
static inline uint8_t Lookup8BPP(const uint8_t* texels, int width, int x, int y)
@ -90,16 +90,16 @@ static inline void LookupRGBA8(const uint8_t* texels, int width, int x, int y,
static void DecodeI4(png_structrp png, png_infop info,
const uint8_t* texels, int width, int height)
{
png_set_IHDR(png, info, width, height, 4,
png_set_IHDR(png, info, width, height, 8,
PNG_COLOR_TYPE_GRAY, PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
png_write_info(png, info);
std::unique_ptr<uint8_t[]> buf(new uint8_t[width]);
memset(buf.get(), 0, width);
//memset(buf.get(), 0, width);
for (int y=height-1 ; y>=0 ; --y)
{
for (int x=0 ; x<width ; ++x)
buf[x/2] |= Lookup4BPP(texels, width, x, y) << x%2*4;
buf[x] = Convert4To8(Lookup4BPP(texels, width, x, y));
png_write_row(png, buf.get());
}
}
@ -225,21 +225,22 @@ static const uint8_t* DecodePalette(png_structrp png, png_infop info,
static void DecodeC4(png_structrp png, png_infop info,
const uint8_t* data, int width, int height)
{
png_set_IHDR(png, info, width, height, 4,
png_set_IHDR(png, info, width, height, 8,
PNG_COLOR_TYPE_PALETTE, PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
const uint8_t* texels = DecodePalette(png, info, 16, data);
png_write_info(png, info);
std::unique_ptr<uint8_t[]> buf(new uint8_t[width]);
memset(buf.get(), 0, width);
for (int y=height-1 ; y>=0 ; --y)
for (int y=0 ; y<height ; ++y)
{
for (int x=0 ; x<width ; ++x)
buf[x/2] |= Lookup4BPP(texels, width, x, y) << x%2*4;
buf[x] = Lookup4BPP(texels, width, x, y);
png_write_row(png, buf.get());
}
}
static void DecodeC8(png_structrp png, png_infop info,
const uint8_t* data, int width, int height)
{
@ -249,7 +250,7 @@ static void DecodeC8(png_structrp png, png_infop info,
const uint8_t* texels = DecodePalette(png, info, 256, data);
png_write_info(png, info);
std::unique_ptr<uint8_t[]> buf(new uint8_t[width]);
for (int y=height-1 ; y>=0 ; --y)
for (int y=0 ; y<height ; ++y)
{
for (int x=0 ; x<width ; ++x)
buf[x] = Lookup8BPP(texels, width, x, y);
@ -356,10 +357,10 @@ static void DecodeCMPR(png_structrp png, png_infop info,
for (int x=0 ; x<width ; x+=8)
{
uint32_t blkOut[4][4][4];
squish::DecompressColourGCN((uint8_t*)blkOut[0][0], blks++);
squish::DecompressColourGCN((uint8_t*)blkOut[1][0], blks++);
squish::DecompressColourGCN((uint8_t*)blkOut[2][0], blks++);
squish::DecompressColourGCN((uint8_t*)blkOut[3][0], blks++);
squish::Decompress((uint8_t*)blkOut[0][0], blks++, squish::kDxt1GCN);
squish::Decompress((uint8_t*)blkOut[1][0], blks++, squish::kDxt1GCN);
squish::Decompress((uint8_t*)blkOut[2][0], blks++, squish::kDxt1GCN);
squish::Decompress((uint8_t*)blkOut[3][0], blks++, squish::kDxt1GCN);
for (int bt=0 ; bt<4 ; ++bt)
for (int by=0 ; by<4 ; ++by)