C++ (Cpp) GLTexture::generateMipmaps Examples

Example #1

File: BmpTextureMover.cpp Project: gunawanw9/libavg

void BmpTextureMover::moveBmpToTexture(BitmapPtr pBmp, GLTexture& tex)
{
    AVG_ASSERT(pBmp->getSize() == tex.getSize());
    AVG_ASSERT(getSize() == pBmp->getSize());
    AVG_ASSERT(pBmp->getPixelFormat() == getPF());
    tex.activate();
    unsigned char * pStartPos = pBmp->getPixels();
    IntPoint size = tex.getSize();
    glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, size.x, size.y,
                    tex.getGLFormat(getPF()), tex.getGLType(getPF()),
                    pStartPos);
    tex.generateMipmaps();
    GLContext::checkError("BmpTextureMover::moveBmpToTexture: glTexSubImage2D()");
}