anv/clear: Pull the stencil write mask from the pipeline

The stencil write mask wasn't getting set at all so we were using whatever
write mask happend to be left over by the application.

src/intel/vulkan/anv_meta_clear.c

@@ -45,7 +45,8 @@ meta_clear_begin(struct anv_meta_saved_state *saved_state,
    anv_meta_save(saved_state, cmd_buffer,
                  (1 << VK_DYNAMIC_STATE_VIEWPORT) |
                  (1 << VK_DYNAMIC_STATE_SCISSOR) |
-                 (1 << VK_DYNAMIC_STATE_STENCIL_REFERENCE));
+                 (1 << VK_DYNAMIC_STATE_STENCIL_REFERENCE) |
+                 (1 << VK_DYNAMIC_STATE_STENCIL_WRITE_MASK));
 
    cmd_buffer->state.dynamic.viewport.count = 0;
    cmd_buffer->state.dynamic.scissor.count = 0;
@@ -193,6 +194,7 @@ create_pipeline(struct anv_device *device,
             .sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
             .dynamicStateCount = 9,
             .pDynamicStates = (VkDynamicState[]) {
+               /* Everything except stencil write mask */
                VK_DYNAMIC_STATE_VIEWPORT,
                VK_DYNAMIC_STATE_SCISSOR,
                VK_DYNAMIC_STATE_LINE_WIDTH,
@@ -200,7 +202,6 @@ create_pipeline(struct anv_device *device,
                VK_DYNAMIC_STATE_BLEND_CONSTANTS,
                VK_DYNAMIC_STATE_DEPTH_BOUNDS,
                VK_DYNAMIC_STATE_STENCIL_COMPARE_MASK,
-               VK_DYNAMIC_STATE_STENCIL_WRITE_MASK,
                VK_DYNAMIC_STATE_STENCIL_REFERENCE,
             },
          },