Method LoadTextureLevel

GTE/Graphics/GL46/GL46TextureCubeArray.cpp:108–129

}

void GL46TextureCubeArray::LoadTextureLevel(uint32_t item, uint32_t level, void const* data)
{
    auto texture = GetTexture();
    if (texture && level < texture->GetNumLevels())
    {
        auto const width = texture->GetDimensionFor(level, 0);
        auto const height = texture->GetDimensionFor(level, 1);

        // Determine cube and face indexes from the item index.
        auto const cube = texture->GetCubeIndexFor(item);
        auto const face = texture->GetFaceIndexFor(item);

        // Each face in the TextureCubeArray has a unique GL target.
        GLenum targetFace = msCubeFaceTarget[face];

        // For TextureCubeArray, use the 3D calls where the cube index is the
        // third dimension.  Only updating one cube-face for the specified
        // level.
        glTexSubImage3D(targetFace, level, 0, 0, cube, width, height, 1,
            mExternalFormat, mExternalType, data);
    }
}