如何在C ++中将PVR解压缩为原始格式8888？

Question

Im looking for informations, how to uncompress pvr data to raw format like 8888.

For png there is libpng, for jpeg is libjpeg, is there something for pvr?

I dont want to use compressed texture in OpenGL (i have my reasons).

I know how to get infomation from header data, but how to uncompress image data from pvr?

Answer 1

You can find source code to decompress PVR texture in Imagination PowerVR OpenGL ES SDK located here: http://www.imgtec.com/powervr/insider/sdk/KhronosOpenGLES2xSGX.asp

You'll need following source files:

• PVRTDecompress.h/cpp
• PVRTTexture.h/cpp
• PVRTGlobal.h

Alternatively look at source code in oolongengine - it uses same source code to decompress PVR textures:

• Texture.h
• Texture.mm