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Diffstat (limited to 'sample/simple-egl/include/platform.h')
-rw-r--r-- | sample/simple-egl/include/platform.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/sample/simple-egl/include/platform.h b/sample/simple-egl/include/platform.h new file mode 100644 index 0000000..8fd57b0 --- /dev/null +++ b/sample/simple-egl/include/platform.h @@ -0,0 +1,115 @@ +/* + * Copyright © 2015 Collabora, Ltd. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef WESTON_PLATFORM_H +#define WESTON_PLATFORM_H + +#include <string.h> + +#include <wayland-egl.h> +#include <EGL/egl.h> +#include <EGL/eglext.h> + +#ifndef EGL_PLATFORM_WAYLAND_KHR +#define EGL_PLATFORM_WAYLAND_KHR 0x31D8 +#endif + +#ifdef __cplusplus +extern "C" { +#endif + + +#ifndef EGL_EXT_platform_base +typedef EGLDisplay (*PFNEGLGETPLATFORMDISPLAYEXTPROC) (EGLenum platform, + void *native_display, + const EGLint *attrib_list); +typedef EGLSurface (*PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC) (EGLDisplay dpy, + EGLConfig config, + void *native_window, + const EGLint *attrib_list); +#endif + +static inline void * +weston_platform_get_egl_proc_address(const char *address) +{ + const char *extensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS); + + if (extensions + && (strstr(extensions, "EGL_EXT_platform_wayland") + || strstr(extensions, "EGL_KHR_platform_wayland"))) { + return (void *) eglGetProcAddress(address); + } + + return NULL; +} + +static inline EGLDisplay +weston_platform_get_egl_display(EGLenum platform, void *native_display, + const EGLint *attrib_list) +{ + static PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display = NULL; + + if (!get_platform_display) { + get_platform_display = (PFNEGLGETPLATFORMDISPLAYEXTPROC) + weston_platform_get_egl_proc_address( + "eglGetPlatformDisplayEXT"); + } + + if (get_platform_display) + return get_platform_display(platform, + native_display, attrib_list); + + return eglGetDisplay((EGLNativeDisplayType) native_display); +} + +static inline EGLSurface +weston_platform_create_egl_surface(EGLDisplay dpy, EGLConfig config, + void *native_window, + const EGLint *attrib_list) +{ + static PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC + create_platform_window = NULL; + + if (!create_platform_window) { + create_platform_window = (PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC) + weston_platform_get_egl_proc_address( + "eglCreatePlatformWindowSurfaceEXT"); + } + + if (create_platform_window) + return create_platform_window(dpy, config, + native_window, + attrib_list); + + return eglCreateWindowSurface(dpy, config, + (EGLNativeWindowType) native_window, + attrib_list); +} + +#ifdef __cplusplus +} +#endif + +#endif /* WESTON_PLATFORM_H */ |