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106 lines
2 KiB
C
106 lines
2 KiB
C
// Copyright 2019, 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 OpenGL client side glue to compositor header.
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* @author Jakob Bornecrantz <jakob@collabora.com>
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* @ingroup comp_client
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*/
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#pragma once
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#include "xrt/xrt_compositor.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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*
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* Structs
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*
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*/
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/*!
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* @class client_gl_swapchain
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*
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* Wraps the real compositor swapchain providing a OpenGL based interface.
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*
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* Almost a one to one mapping to a OpenXR swapchain.
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*
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* @ingroup comp_client
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* @implements xrt_swapchain_gl
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*/
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struct client_gl_swapchain
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{
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struct xrt_swapchain_gl base;
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struct xrt_swapchain_fd *xscfd;
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};
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/*!
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* @class client_gl_compositor
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*
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* Wraps the real compositor providing a OpenGL based interface.
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*
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* @ingroup comp_client
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* @implements xrt_compositor_gl
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*/
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struct client_gl_compositor
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{
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struct xrt_compositor_gl base;
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struct xrt_compositor_fd *xcfd;
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};
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/*
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*
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* Functions and helpers.
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*
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*/
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/*!
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* Down-cast helper.
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* @private @memberof client_gl_swapchain
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*/
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static inline struct client_gl_swapchain *
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client_gl_swapchain(struct xrt_swapchain *xsc)
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{
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return (struct client_gl_swapchain *)xsc;
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}
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/*!
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* Down-cast helper.
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* @private @memberof client_gl_compositor
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*/
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static inline struct client_gl_compositor *
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client_gl_compositor(struct xrt_compositor *xc)
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{
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return (struct client_gl_compositor *)xc;
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}
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typedef void (*client_gl_void_ptr_func)();
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typedef client_gl_void_ptr_func (*client_gl_get_procaddr)(const char *name);
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/*!
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* Fill in a client_gl_compositor and do common OpenGL sanity checking.
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*
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* OpenGL can have multiple backing window systems we have to interact with, so
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* there isn't just one unified OpenGL client constructor.
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*
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* @public @memberof client_gl_compositor
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* @relatesalso xrt_compositor_fd
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*/
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bool
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client_gl_compositor_init(struct client_gl_compositor *c,
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struct xrt_compositor_fd *xcfd,
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client_gl_get_procaddr get_gl_procaddr);
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#ifdef __cplusplus
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}
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#endif
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