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133 lines
3.6 KiB
133 lines
3.6 KiB
/*
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* Copyright © 2015 Collabora, Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef WESTON_PLATFORM_H
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#define WESTON_PLATFORM_H
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#include <string.h>
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#ifdef ENABLE_EGL
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#endif
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#ifndef EGL_PLATFORM_WAYLAND_KHR
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#define EGL_PLATFORM_WAYLAND_KHR 0x31D8
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef ENABLE_EGL
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#ifndef EGL_EXT_platform_base
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typedef EGLDisplay (*PFNEGLGETPLATFORMDISPLAYEXTPROC) (EGLenum platform,
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void *native_display,
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const EGLint *attrib_list);
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typedef EGLSurface (*PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC) (EGLDisplay dpy,
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EGLConfig config,
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void *native_window,
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const EGLint *attrib_list);
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#endif
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static inline void *
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weston_platform_get_egl_proc_address(const char *address)
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{
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const char *extensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
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if (extensions
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&& (strstr(extensions, "EGL_EXT_platform_wayland")
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|| strstr(extensions, "EGL_KHR_platform_wayland"))) {
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return (void *) eglGetProcAddress(address);
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}
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return NULL;
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}
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static inline EGLDisplay
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weston_platform_get_egl_display(EGLenum platform, void *native_display,
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const EGLint *attrib_list)
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{
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static PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display = NULL;
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if (!get_platform_display) {
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get_platform_display = weston_platform_get_egl_proc_address(
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"eglGetPlatformDisplayEXT");
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}
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if (get_platform_display)
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return get_platform_display(platform,
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native_display, attrib_list);
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return eglGetDisplay((EGLNativeDisplayType) native_display);
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}
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static inline EGLSurface
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weston_platform_create_egl_surface(EGLDisplay dpy, EGLConfig config,
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void *native_window,
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const EGLint *attrib_list)
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{
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static PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC
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create_platform_window = NULL;
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if (!create_platform_window) {
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create_platform_window = weston_platform_get_egl_proc_address(
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"eglCreatePlatformWindowSurfaceEXT");
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}
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if (create_platform_window)
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return create_platform_window(dpy, config,
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native_window,
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attrib_list);
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return eglCreateWindowSurface(dpy, config,
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(EGLNativeWindowType) native_window,
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attrib_list);
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}
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#else /* ENABLE_EGL */
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static inline void *
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weston_platform_get_egl_display(void *platform, void *native_display,
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const int *attrib_list)
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{
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return NULL;
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}
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static inline void *
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weston_platform_create_egl_surface(void *dpy, void *config,
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void *native_window,
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const int *attrib_list)
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{
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return NULL;
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}
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#endif /* ENABLE_EGL */
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#ifdef __cplusplus
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}
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#endif
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#endif /* WESTON_PLATFORM_H */
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