+ S5_STENCIL_TEST_FUNC_MASK |
+ S5_STENCIL_FAIL_MASK |
+ S5_STENCIL_PASS_Z_FAIL_MASK |
+ S5_STENCIL_PASS_Z_PASS_MASK);
+
+ i915->state.Ctx[I915_CTXREG_LIS5] |=
+ (front_ref << S5_STENCIL_REF_SHIFT) |
+ (intel_translate_compare_func(front_func) << S5_STENCIL_TEST_FUNC_SHIFT) |
+ (intel_translate_stencil_op(front_fail) << S5_STENCIL_FAIL_SHIFT) |
+ (intel_translate_stencil_op(front_pass_z_fail) <<
+ S5_STENCIL_PASS_Z_FAIL_SHIFT) |
+ (intel_translate_stencil_op(front_pass_z_pass) <<
+ S5_STENCIL_PASS_Z_PASS_SHIFT);
+
+ /* Set back state if different from front. */
+ if (ctx->Stencil._TestTwoSide) {
+ i915->state.Ctx[I915_CTXREG_BF_STENCIL_OPS] &=
+ ~(BFO_STENCIL_REF_MASK |
+ BFO_STENCIL_TEST_MASK |
+ BFO_STENCIL_FAIL_MASK |
+ BFO_STENCIL_PASS_Z_FAIL_MASK |
+ BFO_STENCIL_PASS_Z_PASS_MASK);
+ i915->state.Ctx[I915_CTXREG_BF_STENCIL_OPS] |= BFO_STENCIL_TWO_SIDE |
+ (back_ref << BFO_STENCIL_REF_SHIFT) |
+ (intel_translate_compare_func(back_func) << BFO_STENCIL_TEST_SHIFT) |
+ (intel_translate_stencil_op(back_fail) << BFO_STENCIL_FAIL_SHIFT) |
+ (intel_translate_stencil_op(back_pass_z_fail) <<
+ BFO_STENCIL_PASS_Z_FAIL_SHIFT) |
+ (intel_translate_stencil_op(back_pass_z_pass) <<
+ BFO_STENCIL_PASS_Z_PASS_SHIFT);
+
+ i915->state.Ctx[I915_CTXREG_BF_STENCIL_MASKS] &=
+ ~(BFM_STENCIL_TEST_MASK_MASK |
+ BFM_STENCIL_WRITE_MASK_MASK);
+ i915->state.Ctx[I915_CTXREG_BF_STENCIL_MASKS] |=
+ BFM_STENCIL_TEST_MASK(back_mask) |
+ BFM_STENCIL_WRITE_MASK(back_writemask);
+ } else {
+ i915->state.Ctx[I915_CTXREG_BF_STENCIL_OPS] &= ~BFO_STENCIL_TWO_SIDE;
+ }