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pvr2atfcore.cpp
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/*
Copyright (c) 2012 Adobe Systems Incorporated
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <algorithm>
#include <iostream>
#include <fstream>
#include <sstream>
#include <math.h>
#ifdef _MSC_VER
#include <windows.h>
#endif //#ifdef _MSC_VER
#ifndef _MSC_VER
#include <stdint.h>
#endif //#ifndef _MSC_VER
#include "3rdparty/jpegxr/jpegxr.h"
#include "3rdparty/jpegxr/jxr_priv.h"
#include "3rdparty/lzma/LzmaLib.h"
using namespace std;
// compression settings
bool gSilent = false; // silent operation
bool gEncodeRawJXR = false; // Do not encode compressed data, use raw RGBA data and compressed as JXR
int32_t gCompressedFormats = 0; // 0 == all, 1 == dxt, 2 == pvrtc, 3 == etc1
bool gStoreRawCompressed = true; // Store raw compressed data, do not attempt to apply JXR compression
bool gEncodeEmptyMipmap = false; // Store empty mip levels
bool gCheckForAlphaValue = false; // Check for DXT1/PVRTC alpha channel values
bool gTrimFlexBitsDefault = true; // JXR setting
int32_t gTrimFlexBits = 0; // JXR setting
bool gJxrQualityDefault = true; // JXR setting
int32_t gJxrQuality = 0; // JXR setting
bool gJxrFormatDefault = true; // JXR setting
int32_t gEmbedRangeStart = 0;
int32_t gEmbedRangeEnd = 256;
jxr_color_fmt_t gJxrFormat = JXR_YUV444; // JXR setting
// stats for output
size_t infilesize = 0;
size_t outfilesize = 0;
size_t outlzmasize = 0;
size_t texturew = 0;
size_t textureh = 0;
size_t texturecomp = 3;
enum {
//
PVR_OGL_RGBA_8888 = 0x12,
PVR_OGL_RGB_888 = 0x15,
//
PVR_OGL_PVRTC4 = 0x19,
PVR_D3D_DXT1 = 0x20,
PVR_D3D_DXT5 = 0x24,
PVR_ETC_RGB_4BPP = 0x36,
PVR_ATI_RGBA_8BPP = 0xAC, // Flash specific
//
PVRTEX_MIPMAP = (1<<8),
PVRTEX_TWIDDLE = (1<<9),
PVRTEX_BUMPMAP = (1<<10),
PVRTEX_TILING = (1<<11),
PVRTEX_CUBEMAP = (1<<12),
PVRTEX_FALSEMIPCOL = (1<<13),
PVRTEX_VOLUME = (1<<14),
PVRTEX_FLIPPED = (1<<16),
PVRTEX_DDSCUBEMAPORDER = (1<<17), // Flash specific
PVRTEX_PVRCUBEMAPORDER = (1<<18), // Flash specific
//
PVRTC4_MIN_TEXWIDTH = 8
};
struct PVR_HEADER {
uint32_t dwHeaderSize;
uint32_t dwHeight;
uint32_t dwWidth;
uint32_t dwMipMapCount;
uint32_t dwpfFlags;
uint32_t dwTextureDataSize;
uint32_t dwBitCount;
uint32_t dwRBitMask;
uint32_t dwGBitMask;
uint32_t dwBBitMask;
uint32_t dwAlphaBitMask;
uint32_t dwPVR;
uint32_t dwNumSurfs;
};
static uint32_t read_uint8(istream &file) {
return static_cast<uint32_t>(file.get()&0xFF);
}
static uint32_t read_uint16_little(istream &file) {
return (static_cast<uint8_t>(read_uint8(file))<< 8)|
(static_cast<uint8_t>(read_uint8(file))<< 0);
}
static uint32_t read_uint16(istream &file) {
return (static_cast<uint8_t>(read_uint8(file))<< 0)|
(static_cast<uint8_t>(read_uint8(file))<< 8);
}
static uint32_t read_uint24_little(istream &file) {
return (static_cast<uint8_t>(read_uint8(file))<< 0)|
(static_cast<uint8_t>(read_uint8(file))<< 8)|
(static_cast<uint8_t>(read_uint8(file))<<16);
}
static uint32_t read_uint32_little(istream &file) {
return (static_cast<uint8_t>(read_uint8(file))<< 0)|
(static_cast<uint8_t>(read_uint8(file))<< 8)|
(static_cast<uint8_t>(read_uint8(file))<<16)|
(static_cast<uint8_t>(read_uint8(file))<<24);
}
static uint32_t read_uint24(istream &file) {
return (static_cast<uint8_t>(read_uint8(file))<<16)|
(static_cast<uint8_t>(read_uint8(file))<< 8)|
(static_cast<uint8_t>(read_uint8(file))<< 0);
}
static uint32_t read_uint32(istream &file) {
return (static_cast<uint8_t>(read_uint8(file))<<24)|
(static_cast<uint8_t>(read_uint8(file))<<16)|
(static_cast<uint8_t>(read_uint8(file))<< 8)|
(static_cast<uint8_t>(read_uint8(file))<< 0);
}
static uint64_t read_uint64_little(istream &file) {
return (uint64_t(read_uint32(file))<< 0)|
(uint64_t(read_uint32(file))<<32);
}
static uint64_t read_uint64(istream &file) {
return (uint64_t(read_uint32(file))<<32)|
(uint64_t(read_uint32(file))<< 0);
}
static void write_uint8(uint32_t v, ostream &ofile) {
ofile.put(char(v));
}
static void write_uint16(uint32_t v, ostream &ofile) {
write_uint8((v>> 8)&0xFF,ofile);
write_uint8((v>> 0)&0xFF,ofile);
}
static void write_uint32(uint32_t v, ostream &ofile) {
write_uint8((v>>24)&0xFF,ofile);
write_uint8((v>>16)&0xFF,ofile);
write_uint8((v>> 8)&0xFF,ofile);
write_uint8((v>> 0)&0xFF,ofile);
}
static void write_uint24(uint32_t v, ostream &ofile) {
if (v>>24) {
cerr << "Internal error!\n";
exit(0);
}
write_uint8((v>>16)&0xFF,ofile);
write_uint8((v>> 8)&0xFF,ofile);
write_uint8((v>> 0)&0xFF,ofile);
}
static void write_uint64(uint64_t v, ostream &ofile) {
write_uint32(v>>32,ofile);
write_uint32(v&((uint64_t(1)<<32)-1),ofile);
}
struct ImageData {
uint32_t size;
bool flipped;
uint8_t *raw;
uint8_t *dxt5_alp; // dxt1 color map
uint8_t *dxt5_abt; // dxt1 bit data
uint16_t *dxt5_col; // dxt1 color map
uint8_t *dxt5_bit; // dxt1 bit data
uint16_t *dxt1_col; // dxt1 color map
uint8_t *dxt1_bit; // dxt1 bit data
uint16_t *pvrtc_col; // pvrtc color map
uint8_t *pvrtc_d0; // pvrtc data top
uint32_t *pvrtc_d1; // pvrtc data bottom
uint32_t *etc1_col; // etc1 color 24bit
uint8_t *etc1_d0; // etc1 data top
uint32_t *etc1_d1; // etc1 data bottom
};
static unsigned int tile_width_in_MB[4096 * 2] = {0};
static unsigned int tile_height_in_MB[4096 * 2] = {0};
static bool SetJPEGXRCommon(jxr_container_t container, jxr_image_t image, bool alpha, int32_t w, int32_t h) {
jxr_set_BANDS_PRESENT(image, JXR_BP_ALL);
jxr_set_TRIM_FLEXBITS(image, gTrimFlexBits);
jxr_set_OVERLAP_FILTER(image, 0);
jxr_set_DISABLE_TILE_OVERLAP(image, 1);
jxr_set_FREQUENCY_MODE_CODESTREAM_FLAG(image, 0);
jxr_set_PROFILE_IDC(image, 111);
jxr_set_LEVEL_IDC(image, 255);
jxr_set_LONG_WORD_FLAG(image, 1);
jxr_set_ALPHA_IMAGE_PLANE_FLAG(image, alpha ? 1 : 0);
if ( w < 32 || h < 64 || w*h < 64*64 ) {
jxr_set_NUM_VER_TILES_MINUS1(image, 1);
jxr_set_NUM_HOR_TILES_MINUS1(image, 1);
tile_width_in_MB[0] = 0;
tile_height_in_MB[1] = 0;
jxr_set_TILE_WIDTH_IN_MB(image, tile_width_in_MB);
jxr_set_TILE_HEIGHT_IN_MB(image, tile_height_in_MB);
} else if ( h < 256 ) {
jxr_set_NUM_VER_TILES_MINUS1(image, 1);
jxr_set_NUM_HOR_TILES_MINUS1(image, 4);
tile_width_in_MB[0] = w/16;
tile_height_in_MB[0] = h/16/4;
tile_height_in_MB[1] = h/16/4;
tile_height_in_MB[2] = h/16/4;
tile_height_in_MB[3] = h/16/4;
jxr_set_TILE_WIDTH_IN_MB(image, tile_width_in_MB);
jxr_set_TILE_HEIGHT_IN_MB(image, tile_height_in_MB);
} else {
jxr_set_NUM_VER_TILES_MINUS1(image, 1);
jxr_set_NUM_HOR_TILES_MINUS1(image, 8);
tile_width_in_MB[0] = w/16;
tile_height_in_MB[0] = h/16/8;
tile_height_in_MB[1] = h/16/8;
tile_height_in_MB[2] = h/16/8;
tile_height_in_MB[3] = h/16/8;
tile_height_in_MB[4] = h/16/8;
tile_height_in_MB[5] = h/16/8;
tile_height_in_MB[6] = h/16/8;
tile_height_in_MB[7] = h/16/8;
jxr_set_TILE_WIDTH_IN_MB(image, tile_width_in_MB);
jxr_set_TILE_HEIGHT_IN_MB(image, tile_height_in_MB);
}
jxr_set_pixel_format(image, jxrc_get_pixel_format(container));
return true;
}
static void SetJPEGXRQuality(jxr_image_t image, int32_t quality)
{
if (quality == 0 ) {
jxr_set_QP_LOSSLESS(image);
} else {
if (quality < 16) {
quality = quality * 2;
} else if (quality <= 48) {
quality = quality + 18;
} else {
quality = quality + 18 + 2;
}
jxr_set_QP_UNIFORM(image, quality);
}
}
static bool SetJPEGXRaw(jxr_container_t container, jxr_image_t image, int32_t quality, bool alpha, int32_t w, int32_t h) {
jxr_set_INTERNAL_CLR_FMT(image, gJxrFormat, 4);
jxr_set_OUTPUT_CLR_FMT(image, JXR_OCF_RGB);
jxr_set_OUTPUT_BITDEPTH(image, JXR_BD8);
SetJPEGXRCommon(container,image,alpha,w,h);
SetJPEGXRQuality(image,quality);
return true;
}
static bool SetJPEG8(jxr_container_t container, jxr_image_t image, int32_t quality, int32_t w, int32_t h) {
jxr_set_INTERNAL_CLR_FMT(image, JXR_YONLY, 1);
jxr_set_OUTPUT_CLR_FMT(image, JXR_OCF_YONLY);
jxr_set_OUTPUT_BITDEPTH(image, JXR_BD8);
SetJPEGXRCommon(container,image,false,w,h);
SetJPEGXRQuality(image,quality);
return true;
}
static bool SetJPEGX565(jxr_container_t container, jxr_image_t image, int32_t quality, int32_t w, int32_t h) {
jxr_set_INTERNAL_CLR_FMT(image, gJxrFormat, 1);
jxr_set_OUTPUT_CLR_FMT(image, JXR_OCF_RGB);
jxr_set_OUTPUT_BITDEPTH(image, JXR_BD565);
SetJPEGXRCommon(container,image,false,w,h);
SetJPEGXRQuality(image,quality);
return true;
}
static bool SetJPEGX555(jxr_container_t container, jxr_image_t image, int32_t quality, int32_t w, int32_t h) {
jxr_set_INTERNAL_CLR_FMT(image, gJxrFormat, 1);
jxr_set_OUTPUT_CLR_FMT(image, JXR_OCF_RGB);
jxr_set_OUTPUT_BITDEPTH(image, JXR_BD5);
SetJPEGXRCommon(container,image,false,w,h);
SetJPEGXRQuality(image,quality);
return true;
}
static bool SetJPEGX888(jxr_container_t container, jxr_image_t image, int32_t quality, int32_t w, int32_t h) {
jxr_set_INTERNAL_CLR_FMT(image, gJxrFormat, 1);
jxr_set_OUTPUT_CLR_FMT(image, JXR_OCF_RGB);
jxr_set_OUTPUT_BITDEPTH(image, JXR_BD8);
SetJPEGXRCommon(container,image,false,w,h);
SetJPEGXRQuality(image,quality);
return true;
}
static void Read8888Data(jxr_image_t image, int mx, int my, int *data) {
ImageData *imageData = (ImageData*)jxr_get_user_data(image);
int32_t w = jxr_get_IMAGE_WIDTH(image);
int32_t h = jxr_get_IMAGE_HEIGHT(image);
int32_t n = jxr_get_IMAGE_CHANNELS(image);
int32_t a = jxr_get_ALPHACHANNEL_FLAG(image);
n += a;
for ( int32_t y=0; y<16; y++) {
int32_t dy = h-((my*16)+y)-1; // always upside up
if ( !imageData->flipped ) {
dy = (my*16)+y;
}
for ( int32_t x=0; x<16; x++) {
int32_t dx = (mx*16) + x;
if ( dy >= 0 && dy < h && dx < w ) {
data[(16*y+x)*n+0] = (imageData->raw[((dy*w)+dx)*4+0]);
data[(16*y+x)*n+1] = (imageData->raw[((dy*w)+dx)*4+1]);
data[(16*y+x)*n+2] = (imageData->raw[((dy*w)+dx)*4+2]);
data[(16*y+x)*n+3] = (imageData->raw[((dy*w)+dx)*4+3]);
} else {
data[(y*16+x)*n+3] = 0;
data[(y*16+x)*n+2] = 0;
data[(y*16+x)*n+1] = 0;
data[(y*16+x)*n+0] = 0;
}
}
}
}
static void Read888Data(jxr_image_t image, int mx, int my, int *data) {
ImageData *imageData = (ImageData*)jxr_get_user_data(image);
int32_t w = jxr_get_IMAGE_WIDTH(image);
int32_t h = jxr_get_IMAGE_HEIGHT(image);
int32_t n = jxr_get_IMAGE_CHANNELS(image);
for ( int32_t y=0; y<16; y++) {
int32_t dy = h-((my*16)+y)-1; // always upside up
if ( !imageData->flipped ) {
dy = (my*16)+y;
}
for ( int32_t x=0; x<16; x++) {
int32_t dx = (mx*16) + x;
if ( dy >= 0 && dy < h && dx < w ) {
data[(16*y+x)*n+0] = (imageData->raw[((dy*w)+dx)*3+0]);
data[(16*y+x)*n+1] = (imageData->raw[((dy*w)+dx)*3+1]);
data[(16*y+x)*n+2] = (imageData->raw[((dy*w)+dx)*3+2]);
} else {
data[(y*16+x)*n+2] = 0;
data[(y*16+x)*n+1] = 0;
data[(y*16+x)*n+0] = 0;
}
}
}
}
static void Read8Data_DXT5(jxr_image_t image, int mx, int my, int *data) {
ImageData *imageData = (ImageData*)jxr_get_user_data(image);
int32_t w = jxr_get_IMAGE_WIDTH(image);
int32_t h = jxr_get_IMAGE_HEIGHT(image);
int32_t n = jxr_get_IMAGE_CHANNELS(image);
for ( int32_t y=0; y<16; y++) {
int32_t dy = (my*16) + y;
for ( int32_t x=0; x<16; x++) {
int32_t dx = (mx*16) + x;
if ( dy < h && dx < w ) {
uint8_t p = imageData->dxt5_alp[(dy*w)+dx];
data[(y*16+x)*n+0] = p;
} else {
data[(y*16+x)*n+0] = 0;
}
}
}
}
static void Read565Data_DXT5(jxr_image_t image, int mx, int my, int *data) {
ImageData *imageData = (ImageData*)jxr_get_user_data(image);
int32_t w = jxr_get_IMAGE_WIDTH(image);
int32_t h = jxr_get_IMAGE_HEIGHT(image);
int32_t n = jxr_get_IMAGE_CHANNELS(image);
for ( int32_t y=0; y<16; y++) {
int32_t dy = (my*16) + y;
for ( int32_t x=0; x<16; x++) {
int32_t dx = (mx*16) + x;
if ( dy < h && dx < w ) {
uint32_t p = imageData->dxt5_col[(dy*w)+dx];
if ( p ) {
int32_t r = ( p >> 11 ) & 0x1F;
int32_t g = ( p >> 5 ) & 0x3F;
int32_t b = ( p >> 0 ) & 0x1F;
// Bug in JPEG-XR encoder: it wants 666 instead of 565
r = (r<<1) | (r>>4);
b = (b<<1) | (b>>4);
data[(y*16+x)*n+2] = r;
data[(y*16+x)*n+1] = g;
data[(y*16+x)*n+0] = b;
} else {
data[(y*16+x)*n+2] = 0;
data[(y*16+x)*n+1] = 0;
data[(y*16+x)*n+0] = 0;
}
} else {
data[(y*16+x)*n+2] = 0;
data[(y*16+x)*n+1] = 0;
data[(y*16+x)*n+0] = 0;
}
}
}
}
static void Read565Data_DXT1(jxr_image_t image, int mx, int my, int *data) {
ImageData *imageData = (ImageData*)jxr_get_user_data(image);
int32_t w = jxr_get_IMAGE_WIDTH(image);
int32_t h = jxr_get_IMAGE_HEIGHT(image);
int32_t n = jxr_get_IMAGE_CHANNELS(image);
for ( int32_t y=0; y<16; y++) {
int32_t dy = (my*16) + y;
for ( int32_t x=0; x<16; x++) {
int32_t dx = (mx*16) + x;
if ( dy < h && dx < w ) {
uint32_t p = imageData->dxt1_col[(dy*w)+dx];
if ( p ) {
int32_t r = ( p >> 11 ) & 0x1F;
int32_t g = ( p >> 5 ) & 0x3F;
int32_t b = ( p >> 0 ) & 0x1F;
// Bug in JPEG-XR encoder: it wants 666 instead of 565
r = (r<<1) | (r>>4);
b = (b<<1) | (b>>4);
data[(y*16+x)*n+2] = r;
data[(y*16+x)*n+1] = g;
data[(y*16+x)*n+0] = b;
} else {
data[(y*16+x)*n+2] = 0;
data[(y*16+x)*n+1] = 0;
data[(y*16+x)*n+0] = 0;
}
} else {
data[(y*16+x)*n+2] = 0;
data[(y*16+x)*n+1] = 0;
data[(y*16+x)*n+0] = 0;
}
}
}
}
static void twiddle(int32_t &r, int32_t u, int32_t v, int32_t w, int32_t h)
{
r = 0;
int32_t mins;
int32_t maxv;
if(h < w) {
mins = h;
maxv = u;
} else {
mins = w;
maxv = v;
}
int32_t a = 1;
int32_t b = 1;
int32_t c = 0;
for ( int32_t a=1; a<mins;) {
if(u & a) {
r |= (b << 1);
}
if(v & a) {
r |= b;
}
a <<= 1;
b <<= 2;
c += 1;
}
maxv >>= c;
r|=(maxv<<(2*c));
if ( r >= w * h ) {
int32_t d=0; d=0;
}
}
static void Read555Data_PVRTC(jxr_image_t image, int mx, int my, int *data) {
ImageData *imageData = (ImageData*)jxr_get_user_data(image);
int32_t w = jxr_get_IMAGE_WIDTH(image);
int32_t h = jxr_get_IMAGE_HEIGHT(image);
int32_t n = jxr_get_IMAGE_CHANNELS(image);
for ( int32_t y=0; y<16; y++) {
int32_t dy = (my*16) + y;
if ( dy < h / 2 ) {
for ( int32_t x=0; x<16; x++) {
int32_t dx = (mx*16) + x;
if ( dy < h && dx < w ) {
int32_t aa = 0;
twiddle(aa,dx,dy,w,h/2);
uint32_t p = imageData->pvrtc_col[aa];
data[(y*16+x)*n+2] = ( p >> 10 ) & 0x1F;
data[(y*16+x)*n+1] = ( p >> 5 ) & 0x1F;
data[(y*16+x)*n+0] = ( p >> 0 ) & 0x1F;
} else {
data[(y*16+x)*n+2] = 0;
data[(y*16+x)*n+1] = 0;
data[(y*16+x)*n+0] = 0;
}
}
} else {
dy -= h / 2;
for ( int32_t x=0; x<16; x++) {
int32_t dx = (mx*16) + x;
if ( dy < h && dx < w ) {
int32_t aa = 0;
twiddle(aa,dx,dy,w,h/2);
uint32_t p = imageData->pvrtc_col[aa+(h/2*w)];
data[(y*16+x)*n+2] = ( p >> 10 ) & 0x1F;
data[(y*16+x)*n+1] = ( p >> 5 ) & 0x1F;
data[(y*16+x)*n+0] = ( ( p >> 0 ) & 0x1E ) | ( ( ( p >> 0 ) & 0x1F ) >> 4 );
} else {
data[(y*16+x)*n+2] = 0;
data[(y*16+x)*n+1] = 0;
data[(y*16+x)*n+0] = 0;
}
}
}
}
}
static uint32_t extend_3_to_5(uint32_t a) { return ((a<<2)|(a>>3)); }
static uint32_t extend_4_to_5(uint32_t a) { return ((a<<1)|(a>>3)); }
static void Read555Data_ETC1(jxr_image_t image, int mx, int my, int *data) {
ImageData *imageData = (ImageData*)jxr_get_user_data(image);
int32_t w = jxr_get_IMAGE_WIDTH(image);
int32_t h = jxr_get_IMAGE_HEIGHT(image);
int32_t n = jxr_get_IMAGE_CHANNELS(image);
for ( int32_t y=0; y<16; y++) {
int32_t dy = (my*16) + y;
if ( dy < h / 2 ) {
for ( int32_t x=0; x<16; x++) {
int32_t dx = (mx*16) + x;
if ( dy < h && dx < w ) {
int32_t bx = dx;
int32_t by = dy;
int32_t diff = ( imageData->etc1_d0[by*w+bx] & 2 ) ? true : false;
if ( diff ) {
data[(y*16+x)*n+2] = ( imageData->etc1_col[by*w+bx]&0xf80000) >> (16+3);
data[(y*16+x)*n+1] = ( imageData->etc1_col[by*w+bx]&0x00f800) >> ( 8+3);
data[(y*16+x)*n+0] = ( imageData->etc1_col[by*w+bx]&0x0000f8) >> ( 0+3);
} else {
data[(y*16+x)*n+2] = extend_4_to_5(( imageData->etc1_col[by*w+bx]&0xf00000) >> (16+4));
data[(y*16+x)*n+1] = extend_4_to_5(( imageData->etc1_col[by*w+bx]&0x00f000) >> ( 8+4));
data[(y*16+x)*n+0] = extend_4_to_5(( imageData->etc1_col[by*w+bx]&0x0000f0) >> ( 0+4));
}
} else {
data[(y*16+x)*n+2] = 0;
data[(y*16+x)*n+1] = 0;
data[(y*16+x)*n+0] = 0;
}
}
} else {
dy -= h / 2;
for ( int32_t x=0; x<16; x++) {
int32_t dx = (mx*16) + x;
if ( dy < h && dx < w ) {
int32_t bx = dx;
int32_t by = dy;
int32_t diff = ( imageData->etc1_d0[by*w+bx] & 2 ) ? true : false;
if ( diff ) {
int32_t r0 = ( imageData->etc1_col[by*w+bx]&0xf80000) >> (16+3);
int32_t g0 = ( imageData->etc1_col[by*w+bx]&0x00f800) >> ( 8+3);
int32_t b0 = ( imageData->etc1_col[by*w+bx]&0x0000f8) >> ( 0+3);
int32_t r1 = r0 + ((int8_t( ( imageData->etc1_col[by*w+bx]&0x070000) >> 11 ) >> 5));
int32_t g1 = g0 + ((int8_t( ( imageData->etc1_col[by*w+bx]&0x000700) >> 3 ) >> 5));
int32_t b1 = b0 + ((int8_t( ( imageData->etc1_col[by*w+bx]&0x000007) << 5 ) >> 5));
data[(y*16+x)*n+2] = r1;
data[(y*16+x)*n+1] = g1;
data[(y*16+x)*n+0] = b1;
} else {
data[(y*16+x)*n+2] = extend_4_to_5( ( imageData->etc1_col[by*w+bx]&0x0f0000) >> (12+4) );
data[(y*16+x)*n+1] = extend_4_to_5( ( imageData->etc1_col[by*w+bx]&0x000f00) >> ( 4+4) );
data[(y*16+x)*n+0] = extend_4_to_5( ( imageData->etc1_col[by*w+bx]&0x00000f) << ( 4-4) );
}
} else {
data[(y*16+x)*n+2] = 0;
data[(y*16+x)*n+1] = 0;
data[(y*16+x)*n+0] = 0;
}
}
}
}
}
bool validate_texture(PVR_HEADER &pvr_header)
{
if ( (pvr_header.dwpfFlags & PVRTEX_FLIPPED) ) {
cerr << "pvrtc textures must not be flipped.\n\n(Hint: In PVRTexTool make sure that the 'Vertically Flip For This API' checkbox is un-checked or use the '-yflip0' commandline option )\n";
return false;
}
if ( ( pvr_header.dwpfFlags & 0xFF ) != PVR_OGL_PVRTC4 && ( pvr_header.dwpfFlags & PVRTEX_TWIDDLE )) {
cerr << "Twiddled non pvrtc textures not supported!\n\n";
return false;
}
if ( ( pvr_header.dwpfFlags & 0xFF ) == PVR_OGL_PVRTC4 && ( pvr_header.dwpfFlags & PVRTEX_TWIDDLE ) == 0 ) {
cerr << "Pvrtc textures need to be twiddled!\n\n(Hint: Do not use the -nt option in PVRTexTool)\n";
return false;
}
if ( pvr_header.dwpfFlags & PVRTEX_BUMPMAP) {
cerr << "Bumpmap pvr textures not supported!\n\n";
return false;
}
if ( pvr_header.dwpfFlags & PVRTEX_TILING) {
cerr << "Tiled pvr textures not supported!\n\n";
return false;
}
if ( pvr_header.dwpfFlags & PVRTEX_FALSEMIPCOL) {
cerr << "False mipmap color pvr textures not supported!\n\n";
return false;
}
if ( pvr_header.dwpfFlags & PVRTEX_VOLUME) {
cerr << "Volume pvr textures not supported!\n\n";
return false;
}
return true;
}
size_t LzmaSlowCompress(uint8_t *src, uint8_t *dst, size_t len)
{
size_t sln = 0x7FFFFFFF;
int32_t slc = 3;
int32_t spb = 2;
if ( !gSilent ) {
cout << ".";
cout.flush();
}
size_t bufferLen = len*2+4096;
size_t propsLen = LZMA_PROPS_SIZE;
int res = LzmaCompress(dst+LZMA_PROPS_SIZE,&bufferLen,(const unsigned char *)src,len,(unsigned char *)dst,&propsLen,9,1<<20,slc,0,spb,273,1);
return bufferLen+LZMA_PROPS_SIZE;
}
bool read_pvr(istream &file, PVR_HEADER &pvr_header) {
pvr_header.dwHeaderSize = read_uint32_little(file);
pvr_header.dwHeight = read_uint32_little(file);
pvr_header.dwWidth = read_uint32_little(file);
pvr_header.dwMipMapCount = read_uint32_little(file);
pvr_header.dwpfFlags = read_uint32_little(file);
pvr_header.dwTextureDataSize = read_uint32_little(file);
pvr_header.dwBitCount = read_uint32_little(file);
pvr_header.dwRBitMask = read_uint32_little(file);
pvr_header.dwGBitMask = read_uint32_little(file);
pvr_header.dwBBitMask = read_uint32_little(file);
pvr_header.dwAlphaBitMask = read_uint32_little(file);
pvr_header.dwPVR = read_uint32_little(file);
pvr_header.dwNumSurfs = read_uint32_little(file);
return true;
}
enum {
ATF_FORMAT_888 = 0x00,
ATF_FORMAT_8888 = 0x01,
ATF_FORMAT_COMPRESSED = 0x02,
ATF_FORMAT_COMPRESSEDRAW = 0x03,
ATF_FORMAT_COMPRESSEDALPHA = 0x04,
ATF_FORMAT_COMPRESSEDRAWALPHA= 0x05,
ATF_FORMAT_CUBEMAP = 0x80,
};
//
// ATF format:
//
// U8[3] - signature - 'ATF'
// U24 - len - length in bytes of ATF file.
// U1 - cubemap - 0=normal, 1=cube map
// U7 - format - 0=RGB888, 1=RGBA8888 (straight alpha), 2=Compressed(dxt1+pvrtc+etc1)
// U8 - width - texture size (2^n) (max n=11)
// U8 - height - texture size (2^n) (max n=11)
// U8 - count - total texture count (main + mip maps, max n=12)
//
// count * [ // for format 0 and 1
// U24 - len - length in bytes of JPEG-XR
// U8[len] - data - JPEG-XR data (JXRC_FMT_24bppRGB, JXRC_FMT_32bppBGRA)
// ]
//
// count * [ // for format 2
// U24 - len - length in bytes of DXT1 data
// U8[len] - data - LZMA compressed DXT1 data
// U24 - len - length in bytes of JPEG-XR
// U8[len] - data - JPEG-XR data (JXRC_FMT_16bppBGR565)
//
// U24 - len - length in bytes of PVRTC (4bpp) top data
// U8[len] - data - LZMA compressed PVRTC data
// U24 - len - length in bytes of PVRTC (4bpp) bottom data
// U8[len] - data - LZMA compressed PVRTC data
// U24 - len - length in bytes of JPEG-XR
// U8[len] - data - JPEG-XR data (JXRC_FMT_16bppBGR555)
//
// U24 - len - length in bytes of ETC1 top data
// U8[len] - data - LZMA compressed ETC1 top data
// U24 - len - length in bytes of ETC1 bottom data
// U8[len] - data - LZMA compressed ETC1 bottom data
// U24 - len - length in bytes of JPEG-XR
// U8[len] - data - JPEG-XR data (JXRC_FMT_16bppBGR555)
// ]
//
static void write_debug_image(jxr_container_t container)
{
static int32_t count = 0;
std::ostringstream s;
s << "debug_";
s << count++;
s << ".jxr";
ofstream file;
string fname = s.str();
file.open(fname.c_str(),ios::out|ios::binary);
file.write((const char *)container->wb.buffer(),container->wb.len());
file.close();
}
static void write_header(int32_t w, int32_t h, uint8_t format, int32_t textureCount, ostream &ofile)
{
ofile.put('A');
ofile.put('T');
ofile.put('F');
ofile.put(uint8_t(0)); // placeholder for size
ofile.put(uint8_t(0)); // placeholder for size
ofile.put(uint8_t(0)); // placeholder for size
ofile.put(uint8_t(format));
int32_t wsizelog2 = (((w & 0xAAAAAAAA)?1:0) )|
(((w & 0xCCCCCCCC)?1:0) << 1)|
(((w & 0xF0F0F0F0)?1:0) << 2)|
(((w & 0xFF00FF00)?1:0) << 3)|
(((w & 0xFFFF0000)?1:0) << 4);
ofile.put(uint8_t(wsizelog2));
int32_t hsizelog2 = (((h & 0xAAAAAAAA)?1:0) )|
(((h & 0xCCCCCCCC)?1:0) << 1)|
(((h & 0xF0F0F0F0)?1:0) << 2)|
(((h & 0xFF00FF00)?1:0) << 3)|
(((h & 0xFFFF0000)?1:0) << 4);
ofile.put(uint8_t(hsizelog2));
ofile.put(uint8_t(textureCount));
}
static bool write_dxt1(int32_t w, int32_t h, int32_t level, bool flipped, istream &ifile, ostream &ofile)
{
if ( ( gCompressedFormats == 0 || gCompressedFormats == 1 ) && !(level < gEmbedRangeStart || level > gEmbedRangeEnd ) ) {
if ( gStoreRawCompressed ) {
uint32_t tsize = max(1,w/4)*max(1,h/4)*sizeof(uint32_t)*2;
write_uint24(tsize,ofile);
for ( int32_t d=0; d<tsize; d++) {
write_uint8(read_uint8(ifile),ofile);
}
} else {
ImageData imageData;
imageData.flipped = flipped;
imageData.dxt1_col = new uint16_t[max(2,(w/4))*max(2,(h/4)*2)];
uint16_t *cl0 = imageData.dxt1_col;
uint16_t *cl1 = imageData.dxt1_col + max(1,w/4)*max(1,h/4);
imageData.dxt1_bit = new uint8_t[max(1,w/4)*max(1,h/4)*4];
uint8_t *bit = imageData.dxt1_bit;
for ( int32_t d=0; d<max(1,w/4)*max(1,h/4); d++) {
if ( gEncodeEmptyMipmap && level > 0 ) {
*cl0++ = 0;
*cl1++ = 0;
*bit++ = 0;
*bit++ = 0;
*bit++ = 0;
*bit++ = 0;
} else {
uint16_t c0 = read_uint16(ifile);
*cl0++ = c0;
uint16_t c1 = read_uint16(ifile);
*cl1++ = c1;
if ( gCheckForAlphaValue && c0 < c1 ) {
cerr << "DXT1 textures with alpha not supported!\n\n";
return false;
}
*bit++ = read_uint8(ifile);
*bit++ = read_uint8(ifile);
*bit++ = read_uint8(ifile);
*bit++ = read_uint8(ifile);
}
}
{
uint8_t *buffer = new uint8_t[max(1,w/4)*max(1,h/4)*sizeof(uint32_t)*2+LZMA_PROPS_SIZE+4096];
size_t bufferLen = LzmaSlowCompress((uint8_t*)imageData.dxt1_bit, buffer, max(1,w/4)*max(1,h/4)*sizeof(uint32_t));
write_uint24(bufferLen,ofile);
ofile.write((const char *)buffer,bufferLen);
outlzmasize += bufferLen;
delete [] buffer;
}
jxr_container_t container = jxr_create_container();
jxrc_start_file(container);
if ( jxrc_begin_ifd_entry(container) != 0 ) {
cerr << "Could not create ATF file!\n\n";
return false;
}
jxrc_set_pixel_format(container, JXRC_FMT_16bppBGR565);
jxrc_set_image_shape(container, max(1,w/4), max(2,h/2));
jxrc_set_separate_alpha_image_plane(container, 0);
jxrc_set_image_band_presence(container, JXR_BP_ALL);
static unsigned char window_params[5] = {0,0,0,0,0};
jxr_image_t image = jxr_create_image(max(1,w/4), max(2,h/2), window_params);
if ( !image ) {
return false;
}
SetJPEGX565(container,image,gJxrQuality, max(1,w/4), max(2,h/2));
jxrc_begin_image_data(container);
jxr_set_block_input(image, Read565Data_DXT1);
jxr_set_user_data(image, &imageData);
if ( jxr_write_image_bitstream(image,container) != 0 ) {
cerr << "JPEGXR encoding error!\n\n";
return false;
}
jxr_destroy(image);
jxrc_write_container_post(container);
//write_debug_image(container);
write_uint24(container->wb.len(),ofile);
ofile.write((const char *)container->wb.buffer(),container->wb.len());
jxr_destroy_container(container);
delete [] imageData.dxt1_col;
delete [] imageData.dxt1_bit;
}
} else {
if ( gStoreRawCompressed ) {
write_uint24(0,ofile);
} else {
write_uint24(0,ofile);
write_uint24(0,ofile);
}
for ( int32_t d=0; d<max(1,w/4)*max(1,h/4); d++) {
read_uint32(ifile);
read_uint32(ifile);
}
}
return true;
}
static bool write_dxt5(int32_t w, int32_t h, int32_t level, bool flipped, istream &ifile, ostream &ofile)
{
if ( ( gCompressedFormats == 0 || gCompressedFormats == 1 ) && !(level < gEmbedRangeStart || level > gEmbedRangeEnd ) ) {
if ( gStoreRawCompressed ) {
uint32_t tsize = max(1,w/4)*max(1,h/4)*sizeof(uint32_t)*4;
write_uint24(tsize,ofile);
for ( int32_t d=0; d<tsize; d++) {
write_uint8(read_uint8(ifile),ofile);
}
} else {
ImageData imageData;
imageData.flipped = flipped;
imageData.dxt5_alp = new uint8_t[max(2,(w/4))*max(2,(h/4)*2)];
imageData.dxt5_col = new uint16_t[max(2,(w/4))*max(2,(h/4)*2)];
uint8_t *al0 = imageData.dxt5_alp;
uint8_t *al1= imageData.dxt5_alp + max(1,w/4)*max(1,h/4);
uint16_t *cl0 = imageData.dxt5_col;
uint16_t *cl1 = imageData.dxt5_col + max(1,w/4)*max(1,h/4);
imageData.dxt5_abt = new uint8_t[max(1,w/4)*max(1,h/4)*6];
imageData.dxt5_bit = new uint8_t[max(1,w/4)*max(1,h/4)*4];
uint8_t *abt = (uint8_t *)imageData.dxt5_abt;
uint8_t *bit = (uint8_t *)imageData.dxt5_bit;
for ( int32_t d=0; d<max(1,w/4)*max(1,h/4); d++) {
if ( gEncodeEmptyMipmap && level > 0 ) {
*al0++ = 0;
*al1++ = 0;
*abt++ = 0;
*abt++ = 0;
*abt++ = 0;
*abt++ = 0;
*abt++ = 0;
*abt++ = 0;
*cl0++ = 0;
*cl1++ = 0;
*bit++ = 0;
*bit++ = 0;
*bit++ = 0;
*bit++ = 0;
} else {
uint8_t a0 = read_uint8(ifile);
*al0++ = a0;
uint8_t a1 = read_uint8(ifile);
*al1++ = a1;
*abt++ = read_uint8(ifile);
*abt++ = read_uint8(ifile);
*abt++ = read_uint8(ifile);
*abt++ = read_uint8(ifile);
*abt++ = read_uint8(ifile);
*abt++ = read_uint8(ifile);
uint16_t c0 = read_uint16(ifile);
*cl0++ = c0;
uint16_t c1 = read_uint16(ifile);
*cl1++ = c1;
*bit++ = read_uint8(ifile);
*bit++ = read_uint8(ifile);
*bit++ = read_uint8(ifile);
*bit++ = read_uint8(ifile);
}
}
{
uint8_t *buffer = new uint8_t[max(1,w/4)*max(1,h/4)*sizeof(uint32_t)*8+LZMA_PROPS_SIZE+4096];
size_t bufferLen = LzmaSlowCompress((uint8_t*)imageData.dxt5_abt, buffer, max(1,w/4)*max(1,h/4)*6);
write_uint24(bufferLen,ofile);
ofile.write((const char *)buffer,bufferLen);
outlzmasize += bufferLen;
delete [] buffer;
}
{
jxr_container_t container = jxr_create_container();
jxrc_start_file(container);
if ( jxrc_begin_ifd_entry(container) != 0 ) {
cerr << "Could not create ATF file!\n\n";
return false;
}
jxrc_set_pixel_format(container, JXRC_FMT_8bppGray);
jxrc_set_image_shape(container, max(1,w/4), max(2,h/2));
jxrc_set_separate_alpha_image_plane(container, 0);
jxrc_set_image_band_presence(container, JXR_BP_ALL);
static unsigned char window_params[5] = {0,0,0,0,0};
jxr_image_t image = jxr_create_image(max(1,w/4), max(2,h/2), window_params);
if ( !image ) {
return false;
}
SetJPEG8(container,image,gJxrQuality, max(1,w/4), max(2,h/2));
jxrc_begin_image_data(container);
jxr_set_block_input(image, Read8Data_DXT5);
jxr_set_user_data(image, &imageData);
if ( jxr_write_image_bitstream(image,container) != 0 ) {
cerr << "JPEGXR encoding error!\n\n";
return false;
}
jxr_destroy(image);
jxrc_write_container_post(container);
//write_debug_image(container);
write_uint24(container->wb.len(),ofile);