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#include "TextureLoaderPkm.h"
#if defined(DEATH_TARGET_ANDROID) && defined(WITH_OPENGLES)
#include <cstring>
#include <Base/Memory.h>
using namespace Death::IO;
using namespace Death::Memory;
namespace nCine
{
TextureLoaderPkm::TextureLoaderPkm(std::unique_ptr<Stream> fileHandle)
: ITextureLoader(std::move(fileHandle))
{
if (!fileHandle_->IsValid()) {
return;
}
PkmHeader header;
fileHandle_->Read(&header, 16); // PKM header is 16 bytes long
// Checking for the header presence
DEATH_ASSERT(AsBE(header.magicId) == 0x504B4D20 /* "PKM 10" */, "Invalid PKM signature", );
DEATH_ASSERT(AsBE(header.version) == 0x3130 /* "10" */, ("PKM version not supported: 0x{:.4x}", header.version), );
DEATH_ASSERT(AsBE(header.dataType) == 0, ("PKM data type not supported: 0x{:.4x}", header.dataType), );
headerSize_ = 16;
width_ = AsBE(header.width);
height_ = AsBE(header.height);
const int extWidth = AsBE(header.extendedWidth);
const int extHeight = AsBE(header.extendedHeight);
LOGI("Header found: w:{} h:{}, xw:{} xh:{}", width_, height_, extWidth, extHeight);
loadPixels(GL_ETC1_RGB8_OES);
hasLoaded_ = true;
}
}
#endif
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