1 2#include "i915_sw_winsys.h" 3#include "util/u_memory.h" 4#include "util/u_atomic.h" 5#include "util/u_inlines.h" 6 7struct i915_sw_fence 8{ 9 struct pipe_reference reference; 10}; 11 12struct pipe_fence_handle * 13i915_sw_fence_create() 14{ 15 struct i915_sw_fence *fence = CALLOC_STRUCT(i915_sw_fence); 16 17 pipe_reference_init(&fence->reference, 1); 18 19 return (struct pipe_fence_handle *)fence; 20} 21 22static void 23i915_sw_fence_reference(struct i915_winsys *iws, 24 struct pipe_fence_handle **ptr, 25 struct pipe_fence_handle *fence) 26{ 27 struct i915_sw_fence *old = (struct i915_sw_fence *)*ptr; 28 struct i915_sw_fence *f = (struct i915_sw_fence *)fence; 29 30 if (pipe_reference(&((struct i915_sw_fence *)(*ptr))->reference, &f->reference)) { 31 FREE(old); 32 } 33 *ptr = fence; 34} 35 36static int 37i915_sw_fence_signalled(struct i915_winsys *iws, 38 struct pipe_fence_handle *fence) 39{ 40 assert(0); 41 42 return 0; 43} 44 45static int 46i915_sw_fence_finish(struct i915_winsys *iws, 47 struct pipe_fence_handle *fence) 48{ 49 return 0; 50} 51 52void 53i915_sw_winsys_init_fence_functions(struct i915_sw_winsys *isws) 54{ 55 isws->base.fence_reference = i915_sw_fence_reference; 56 isws->base.fence_signalled = i915_sw_fence_signalled; 57 isws->base.fence_finish = i915_sw_fence_finish; 58} 59