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types/buffer: make {begin,end}_data_ptr_access part of the public API
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parent
6cb25ebad7
commit
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5 changed files with 43 additions and 43 deletions
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@ -69,31 +69,4 @@ struct wlr_dmabuf_buffer *dmabuf_buffer_create(
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*/
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bool dmabuf_buffer_drop(struct wlr_dmabuf_buffer *buffer);
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/**
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* Buffer data pointer access flags.
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*/
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enum wlr_buffer_data_ptr_access_flag {
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/**
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* The buffer contents can be read back.
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*/
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WLR_BUFFER_DATA_PTR_ACCESS_READ = 1 << 0,
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/**
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* The buffer contents can be written to.
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*/
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WLR_BUFFER_DATA_PTR_ACCESS_WRITE = 1 << 1,
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};
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/**
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* Get a pointer to a region of memory referring to the buffer's underlying
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* storage. The format and stride can be used to interpret the memory region
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* contents.
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*
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* The returned pointer should be pointing to a valid memory region for the
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* operations specified in the flags. The returned pointer is only valid up to
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* the next buffer_end_data_ptr_access call.
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*/
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bool buffer_begin_data_ptr_access(struct wlr_buffer *buffer, uint32_t flags,
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void **data, uint32_t *format, size_t *stride);
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void buffer_end_data_ptr_access(struct wlr_buffer *buffer);
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#endif
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@ -137,6 +137,33 @@ void wlr_buffer_register_resource_interface(
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*/
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struct wlr_buffer *wlr_buffer_from_resource(struct wl_resource *resource);
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/**
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* Buffer data pointer access flags.
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*/
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enum wlr_buffer_data_ptr_access_flag {
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/**
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* The buffer contents can be read back.
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*/
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WLR_BUFFER_DATA_PTR_ACCESS_READ = 1 << 0,
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/**
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* The buffer contents can be written to.
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*/
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WLR_BUFFER_DATA_PTR_ACCESS_WRITE = 1 << 1,
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};
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/**
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* Get a pointer to a region of memory referring to the buffer's underlying
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* storage. The format and stride can be used to interpret the memory region
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* contents.
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*
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* The returned pointer should be pointing to a valid memory region for the
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* operations specified in the flags. The returned pointer is only valid up to
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* the next buffer_end_data_ptr_access call.
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*/
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bool wlr_buffer_begin_data_ptr_access(struct wlr_buffer *buffer, uint32_t flags,
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void **data, uint32_t *format, size_t *stride);
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void wlr_buffer_end_data_ptr_access(struct wlr_buffer *buffer);
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/**
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* A client buffer.
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*/
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