125 lines
3.4 KiB
C
125 lines
3.4 KiB
C
/*
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* Copyright © 2015 Collabora, Ltd.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS 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 void (*PFNEGLGETPLATFORMDISPLAYEXTPROC) (void);
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typedef void (*PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC) (void);
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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 (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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