JNIEXPORT void JNICALL Java_com_badlogic_gdx_graphics_glutils_ETC1_decodeImage(JNIEnv* env, jclass clazz, jobject obj_compressedData, jint offset, jobject obj_decodedData, jint offsetDec, jint width, jint height, jint pixelSize) {
char* compressedData = (char*)(obj_compressedData?env->GetDirectBufferAddress(obj_compressedData):0);
char* decodedData = (char*)(obj_decodedData?env->GetDirectBufferAddress(obj_decodedData):0);
//@line:249
etc1_decode_image((etc1_byte*)compressedData + offset, (etc1_byte*)decodedData + offsetDec, width, height, pixelSize, width * pixelSize);
}
bool DecompressBufferFromFormat(uint8_t* dst, int dstRowBytes, const uint8_t* src,
int width, int height, Format format) {
int dimX, dimY;
GetBlockDimensions(format, &dimX, &dimY, true);
if (width < 0 || ((width % dimX) != 0) || height < 0 || ((height % dimY) != 0)) {
return false;
}
switch(format) {
case kLATC_Format:
DecompressLATC(dst, dstRowBytes, src, width, height);
return true;
case kR11_EAC_Format:
DecompressR11EAC(dst, dstRowBytes, src, width, height);
return true;
#ifndef SK_IGNORE_ETC1_SUPPORT
case kETC1_Format:
return 0 == etc1_decode_image(src, dst, width, height, 3, dstRowBytes);
#endif
case kASTC_4x4_Format:
case kASTC_5x4_Format:
case kASTC_5x5_Format:
case kASTC_6x5_Format:
case kASTC_6x6_Format:
case kASTC_8x5_Format:
case kASTC_8x6_Format:
case kASTC_8x8_Format:
case kASTC_10x5_Format:
case kASTC_10x6_Format:
case kASTC_10x8_Format:
case kASTC_10x10_Format:
case kASTC_12x10_Format:
case kASTC_12x12_Format:
DecompressASTC(dst, dstRowBytes, src, width, height, dimX, dimY);
return true;
default:
// Do nothing...
break;
}
return false;
}
JNIEXPORT void JNICALL Java_com_badlogic_gdx_graphics_glutils_ETC1_decodeImage
(JNIEnv *env, jclass, jobject compressedData, jint offset, jobject decodedData, jint offsetDec, jint width, jint height, jint pixelSize) {
etc1_byte* comprPtr = (etc1_byte*)env->GetDirectBufferAddress(compressedData) + offset;
etc1_byte* imgPtr = (etc1_byte*)env->GetDirectBufferAddress(decodedData) + offsetDec;
etc1_decode_image(comprPtr, imgPtr, width, height, pixelSize, width * pixelSize);
}
KDuint8* xmReadTileETC ( KDFile* file, XMImage* image )
{
ETCDecode* decode = (ETCDecode*) image->decode;
KDuint8* pixels = 0;
KDint block_size = 0;
KDint32 tile_size = 0;
if ( decode->pixels )
{
kdFree ( decode->pixels );
decode->pixels = 0;
}
block_size = 8;
tile_size = ( ( image->ptr_tile->width + 3 ) / 4 ) * ( ( image->ptr_tile->height + 3 ) / 4 ) * block_size;
pixels = (KDuint8*) kdMalloc ( tile_size );
if ( !pixels )
{
goto cleanup;
}
if ( kdFread ( pixels, tile_size, 1, file ) == 0 )
{
//goto cleanup;
}
if ( decode->uncomp == 1 )
{
tile_size = image->ptr_tile->width * image->ptr_tile->height * 3;
decode->pixels = (KDuint8*) kdMalloc ( tile_size );
if ( decode->pixels )
{
etc1_decode_image ( pixels, decode->pixels, image->ptr_tile->width, image->ptr_tile->height, 3, image->ptr_tile->width * 3 );
}
kdFree ( pixels );
}
else
{
decode->pixels = pixels;
image->ptr_tile->size = tile_size;
}
decode->row_count = 0;
image->ptr_tile->stride = tile_size / image->ptr_tile->height;
return decode->pixels;
cleanup :
if ( pixels )
{
kdFree ( pixels );
}
return 0;
}
