explicit ImageTester(const char *filename, bool twobpp) {
pvrtexture::CPVRTexture pvrTex(filename);
const uint8 *data = static_cast<const uint8 *>(pvrTex.getDataPtr());
assert(data);
const pvrtexture::CPVRTextureHeader &hdr = pvrTex.getHeader();
const uint32 w = hdr.getWidth();
const uint32 h = hdr.getHeight();
uint32 *outPixels = new uint32[w * h];
FasTC::ECompressionFormat fmt = FasTC::eCompressionFormat_PVRTC4;
if(twobpp) {
fmt = FasTC::eCompressionFormat_PVRTC2;
}
uint8 *outBuf = reinterpret_cast<uint8 *>(outPixels);
FasTC::DecompressionJob dcj(fmt, data, outBuf, w, h);
#ifdef DEBUG_PVRTC_DECODER
PVRTCC::Decompress(dcj, PVRTCC::eWrapMode_Wrap, true);
#else
PVRTCC::Decompress(dcj, PVRTCC::eWrapMode_Wrap);
#endif
bool result = pvrtexture::Transcode(pvrTex,
pvrtexture::PVRStandard8PixelType,
ePVRTVarTypeUnsignedByte,
ePVRTCSpacelRGB);
EXPECT_TRUE(result);
uint32 *libPixels = static_cast<uint32 *>(pvrTex.getDataPtr());
for(uint32 i = 0; i < w*h; i++) {
EXPECT_EQ(PixelPrinter(libPixels[i]), PixelPrinter(outPixels[i]));
}
#ifdef DEBUG_PVRTC_DECODER
char dbgfname[256];
snprintf(dbgfname, sizeof(dbgfname), "Debug%s.png", filename);
ImageFile imgFile(dbgfname, eFileFormat_PNG, FasTC::Image<>(w, h, outPixels));
imgFile.Write();
#endif // OUTPUT_DEBUG_IMAGE
delete outPixels;
}
bool ImageLoaderPVR::ReadData() {
pvrtexture::CPVRTexture pvrTex((const void *)m_RawData);
if(!pvrtexture::Transcode(pvrTex,
pvrtexture::PVRStandard8PixelType,
ePVRTVarTypeUnsignedByte,
ePVRTCSpacelRGB)) {
ReportError("Unable to convert PVRTexture... possibly failed to load file");
return false;
}
const pvrtexture::CPVRTextureHeader &hdr = pvrTex.getHeader();
m_Width = hdr.getWidth();
m_Height = hdr.getHeight();
return LoadFromPixelBuffer(reinterpret_cast<uint32 *>(pvrTex.getDataPtr()));
}
