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166 lines
3.2 KiB
C
166 lines
3.2 KiB
C
// Copyright 2020-2021, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Implementations of handle functions
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*
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* @author Ryan Pavlik <ryan.pavlik@collabora.com>
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* @ingroup aux_util
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*
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*/
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#include "u_handles.h"
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/*
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*
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* Graphics Buffer Handles
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*
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*/
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#if defined(XRT_GRAPHICS_BUFFER_HANDLE_IS_AHARDWAREBUFFER)
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#include <android/hardware_buffer.h>
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static inline void
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release_graphics_handle(xrt_graphics_buffer_handle_t handle)
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{
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AHardwareBuffer_release(handle);
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}
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static inline xrt_graphics_buffer_handle_t
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ref_graphics_handle(xrt_graphics_buffer_handle_t handle)
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{
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AHardwareBuffer_acquire(handle);
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return handle;
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}
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#elif defined(XRT_GRAPHICS_BUFFER_HANDLE_IS_FD)
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#include <unistd.h>
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static inline void
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release_graphics_handle(xrt_graphics_buffer_handle_t handle)
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{
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close(handle);
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}
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static inline xrt_graphics_buffer_handle_t
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ref_graphics_handle(xrt_graphics_buffer_handle_t handle)
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{
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return dup(handle);
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}
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#elif defined(XRT_GRAPHICS_BUFFER_HANDLE_IS_WIN32_HANDLE)
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static inline void
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release_graphics_handle(xrt_graphics_buffer_handle_t handle)
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{
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CloseHandle(handle);
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}
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static inline xrt_graphics_buffer_handle_t
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ref_graphics_handle(xrt_graphics_buffer_handle_t handle)
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{
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HANDLE self = GetCurrentProcess();
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HANDLE result = NULL;
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if (DuplicateHandle(self, handle, self, &result, 0, FALSE, DUPLICATE_SAME_ACCESS) != 0) {
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return result;
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}
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return NULL;
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}
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#else
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#error "need port"
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#endif
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xrt_graphics_buffer_handle_t
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u_graphics_buffer_ref(xrt_graphics_buffer_handle_t handle)
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{
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if (xrt_graphics_buffer_is_valid(handle)) {
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return ref_graphics_handle(handle);
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}
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return XRT_GRAPHICS_BUFFER_HANDLE_INVALID;
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}
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void
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u_graphics_buffer_unref(xrt_graphics_buffer_handle_t *handle_ptr)
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{
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if (handle_ptr == NULL) {
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return;
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}
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xrt_graphics_buffer_handle_t handle = *handle_ptr;
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if (!xrt_graphics_buffer_is_valid(handle)) {
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return;
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}
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release_graphics_handle(handle);
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*handle_ptr = XRT_GRAPHICS_BUFFER_HANDLE_INVALID;
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}
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/*
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*
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* Graphics Sync Handles
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*
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*/
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#if defined(XRT_GRAPHICS_SYNC_HANDLE_IS_FD)
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#include <unistd.h>
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static inline void
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release_sync_handle(xrt_graphics_sync_handle_t handle)
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{
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close(handle);
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}
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static inline xrt_graphics_sync_handle_t
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ref_sync_handle(xrt_graphics_sync_handle_t handle)
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{
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return dup(handle);
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}
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#elif defined(XRT_GRAPHICS_SYNC_HANDLE_IS_WIN32_HANDLE)
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static inline void
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release_sync_handle(xrt_graphics_sync_handle_t handle)
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{
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CloseHandle(handle);
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}
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static inline xrt_graphics_sync_handle_t
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ref_sync_handle(xrt_graphics_sync_handle_t handle)
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{
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HANDLE self = GetCurrentProcess();
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HANDLE result = NULL;
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if (DuplicateHandle(self, handle, self, &result, 0, FALSE, DUPLICATE_SAME_ACCESS) != 0) {
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return result;
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}
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return NULL;
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}
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#else
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#error "need port"
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#endif
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xrt_graphics_sync_handle_t
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u_graphics_sync_ref(xrt_graphics_sync_handle_t handle)
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{
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if (xrt_graphics_sync_handle_is_valid(handle)) {
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return ref_sync_handle(handle);
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}
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return XRT_GRAPHICS_SYNC_HANDLE_INVALID;
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}
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void
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u_graphics_sync_unref(xrt_graphics_sync_handle_t *handle_ptr)
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{
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if (handle_ptr == NULL) {
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return;
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}
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xrt_graphics_sync_handle_t handle = *handle_ptr;
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if (!xrt_graphics_sync_handle_is_valid(handle)) {
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return;
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}
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release_sync_handle(handle);
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*handle_ptr = XRT_GRAPHICS_SYNC_HANDLE_INVALID;
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}
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