void UIBegin() {
for (int i = 0; i < MAX_POINTERS; i++)
uistate.hotitem[i] = 0;
ui_draw2d.Begin();
ui_draw2d_front.Begin();
}
void UIBegin(Thin3DShaderSet *shaderSet) {
for (int i = 0; i < MAX_POINTERS; i++)
uistate.hotitem[i] = 0;
ui_draw2d.Begin(shaderSet);
ui_draw2d_front.Begin(shaderSet);
}
void UIBegin(Thin3DShaderSet *shaderSet) {
ui_draw2d.Begin(shaderSet);
ui_draw2d_front.Begin(shaderSet);
}
void UIBegin(const GLSLProgram *shader) {
for (int i = 0; i < MAX_POINTERS; i++)
uistate.hotitem[i] = 0;
ui_draw2d.Begin(shader);
ui_draw2d_front.Begin(shader);
}