- !ctx->Stencil._Enabled) {
- if ((rgbmode &&
- ctx->Color.ColorMask[0] == 0 &&
- ctx->Color.ColorMask[1] == 0 &&
- ctx->Color.ColorMask[2] == 0 &&
- ctx->Color.ColorMask[3] == 0)
- ||
- (!rgbmode && ctx->Color.IndexMask == 0)) {
- USE(occlusion_zless_triangle);
+ !_mesa_stencil_is_enabled(ctx) &&
+ depthRb &&
+ depthRb->Format == MESA_FORMAT_Z_UNORM16) {
+ if (GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 0) == 0 &&
+ GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 1) == 0 &&
+ GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 2) == 0 &&
+ GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 3) == 0) {
+ USE(occlusion_zless_16_triangle);