Method _SetTexture

imgui_tiny_app/imgui/imgui_draw.cpp:713–720

This is used by ImGui::PushFont()/PopFont(). It works because we never use _TextureIdStack[] elsewhere than in PushTexture()/PopTexture().

// This is used by ImGui::PushFont()/PopFont(). It works because we never use _TextureIdStack[] elsewhere than in PushTexture()/PopTexture().
void ImDrawList::_SetTexture(ImTextureRef tex_ref)
{
    if (_CmdHeader.TexRef == tex_ref)
        return;
    _CmdHeader.TexRef = tex_ref;
    _TextureStack.back() = tex_ref;
    _OnChangedTexture();
}

// Reserve space for a number of vertices and indices.
// You must finish filling your reserved data before calling PrimReserve() again, as it may reallocate or