diff options
Diffstat (limited to 'src/gallium/winsys/drm/i965/gem/i965_drm_fence.c')
-rw-r--r-- | src/gallium/winsys/drm/i965/gem/i965_drm_fence.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_fence.c b/src/gallium/winsys/drm/i965/gem/i965_drm_fence.c deleted file mode 100644 index e70bfe7..0000000 --- a/src/gallium/winsys/drm/i965/gem/i965_drm_fence.c +++ /dev/null @@ -1,81 +0,0 @@ - -#include "intel_drm_winsys.h" -#include "util/u_memory.h" -#include "pipe/p_refcnt.h" - -/** - * Because gem does not have fence's we have to create our own fences. - * - * They work by keeping the batchbuffer around and checking if that has - * been idled. If bo is NULL fence has expired. - */ -struct intel_drm_fence -{ - struct pipe_reference reference; - drm_intel_bo *bo; -}; - - -struct pipe_fence_handle * -intel_drm_fence_create(drm_intel_bo *bo) -{ - struct intel_drm_fence *fence = CALLOC_STRUCT(intel_drm_fence); - - pipe_reference_init(&fence->reference, 1); - /* bo is null if fence already expired */ - if (bo) { - drm_intel_bo_reference(bo); - fence->bo = bo; - } - - return (struct pipe_fence_handle *)fence; -} - -static void -intel_drm_fence_reference(struct intel_winsys *iws, - struct pipe_fence_handle **ptr, - struct pipe_fence_handle *fence) -{ - struct intel_drm_fence *old = (struct intel_drm_fence *)*ptr; - struct intel_drm_fence *f = (struct intel_drm_fence *)fence; - - if (pipe_reference((struct pipe_reference**)ptr, &f->reference)) { - if (old->bo) - drm_intel_bo_unreference(old->bo); - FREE(old); - } -} - -static int -intel_drm_fence_signalled(struct intel_winsys *iws, - struct pipe_fence_handle *fence) -{ - assert(0); - - return 0; -} - -static int -intel_drm_fence_finish(struct intel_winsys *iws, - struct pipe_fence_handle *fence) -{ - struct intel_drm_fence *f = (struct intel_drm_fence *)fence; - - /* fence already expired */ - if (!f->bo) - return 0; - - drm_intel_bo_wait_rendering(f->bo); - drm_intel_bo_unreference(f->bo); - f->bo = NULL; - - return 0; -} - -void -intel_drm_winsys_init_fence_functions(struct intel_drm_winsys *idws) -{ - idws->base.fence_reference = intel_drm_fence_reference; - idws->base.fence_signalled = intel_drm_fence_signalled; - idws->base.fence_finish = intel_drm_fence_finish; -} |