C++ (Cpp) InitNonPow2Tex Examples

Example #1

File: BL_Texture.cpp Project: sntulix/blender-api-javascript

void BL_Texture::InitGLTex(unsigned int *pix,int x,int y,bool mipmap)
{
    if (!GPU_non_power_of_two_support() && (!is_power_of_2_i(x) || !is_power_of_2_i(y)) ) {
        InitNonPow2Tex(pix, x,y,mipmap);
        return;
    }

    glBindTexture(GL_TEXTURE_2D, mTexture );
    if ( mipmap ) {
        int i;
        ImBuf *ibuf;
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

        ibuf = IMB_allocFromBuffer(pix, NULL, x, y);

        IMB_makemipmap(ibuf, true);

        for (i = 0; i < ibuf->miptot; i++) {
            ImBuf *mip = IMB_getmipmap(ibuf, i);

            glTexImage2D(GL_TEXTURE_2D, i,  GL_RGBA,  mip->x, mip->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, mip->rect);
        }
        IMB_freeImBuf(ibuf);
    }
    else {
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
        glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, x, y, 0, GL_RGBA, GL_UNSIGNED_BYTE, pix );
    }

    if (GLEW_EXT_texture_filter_anisotropic)
        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, GPU_get_anisotropic());
    glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}

Example #2

void BL_Texture::InitGLTex(unsigned int *pix,int x,int y,bool mipmap)
{
    if (!is_pow2(x) || !is_pow2(y) ) {
        InitNonPow2Tex(pix, x,y,mipmap);
        return;
    }

    glBindTexture(GL_TEXTURE_2D, mTexture );
    if( mipmap ) {
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
        gluBuild2DMipmaps( GL_TEXTURE_2D, GL_RGBA, x, y, GL_RGBA, GL_UNSIGNED_BYTE, pix );
    }
    else {
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
        glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, x, y, 0, GL_RGBA, GL_UNSIGNED_BYTE, pix );
    }

    glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}