don't hardcode debug texture dimensions

static const struct {

    size_t width, height;

    char const* bits;

} kDebugData = { 11, 8,

    "__X_____X_____X___X_____XXXXXXX___XX_XXX_XX_XXXXXXXXXXXX_XXXXXXX_XX_X_____X_X___XX_XX___" };

} kDebugData = { 15, 12,

    "___________________________________XX_XX_______X_X_____X_X____X_XXXXXXX_X____XXXXXXXXXXX__"

    "___XX_XXX_XX_______XXXXXXX_________X___X_________X_____X__________________________________"

};

// Transform matrices

static float mtxIdentity[16] = {

        if (CC_UNLIKELY(mReleasedTexImageBuffer == NULL)) {

            // The first time, create the debug texture in case the application

            // continues to use it.

            sp<GraphicBuffer> buffer = new GraphicBuffer(11, 8, PIXEL_FORMAT_RGBA_8888,

            sp<GraphicBuffer> buffer = new GraphicBuffer(

                    kDebugData.width, kDebugData.height, PIXEL_FORMAT_RGBA_8888,

                    GraphicBuffer::USAGE_SW_WRITE_RARELY);

            uint32_t* bits;

            buffer->lock(GraphicBuffer::USAGE_SW_WRITE_RARELY, reinterpret_cast<void**>(&bits));

            memset(bits, 0, w*h*4);

            for (size_t y=0 ; y<kDebugData.height ; y++) {

                for (size_t x=0 ; x<kDebugData.width ; x++) {

                    bits[x] = (kDebugData.bits[y*11+x] == 'X') ? 0xFF000000 : 0xFFFFFFFF;

                    bits[x] = (kDebugData.bits[y*kDebugData.width+x] == 'X') ? 0xFF000000 : 0xFFFFFFFF;

                }

                bits += w;

            }