mirror of
https://gitlab.freedesktop.org/wayland/weston
synced 2024-07-22 03:04:13 +00:00
f0c3a1c112
... prefixing it with a "weston_". This way we can reuse it across the board, instead of the current strstr. The latter of which can give us false positives, thus it will be resolved with next commit(s). Signed-off-by: Emil Velikov <emil.velikov@collabora.com> Reviewed-by: Daniel Stone <daniels@collabora.com>
166 lines
4.3 KiB
C
166 lines
4.3 KiB
C
/*
|
|
* 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 <stdbool.h>
|
|
#include <string.h>
|
|
|
|
#ifdef ENABLE_EGL
|
|
#include <wayland-egl.h>
|
|
#include <EGL/egl.h>
|
|
#include <EGL/eglext.h>
|
|
#endif
|
|
|
|
#ifndef EGL_PLATFORM_WAYLAND_KHR
|
|
#define EGL_PLATFORM_WAYLAND_KHR 0x31D8
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifdef ENABLE_EGL
|
|
|
|
#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 bool
|
|
weston_check_egl_extension(const char *extensions, const char *extension)
|
|
{
|
|
size_t extlen = strlen(extension);
|
|
const char *end = extensions + strlen(extensions);
|
|
|
|
while (extensions < end) {
|
|
size_t n = 0;
|
|
|
|
/* Skip whitespaces, if any */
|
|
if (*extensions == ' ') {
|
|
extensions++;
|
|
continue;
|
|
}
|
|
|
|
n = strcspn(extensions, " ");
|
|
|
|
/* Compare strings */
|
|
if (n == extlen && strncmp(extension, extensions, n) == 0)
|
|
return true; /* Found */
|
|
|
|
extensions += n;
|
|
}
|
|
|
|
/* Not found */
|
|
return false;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
#else /* ENABLE_EGL */
|
|
|
|
static inline void *
|
|
weston_platform_get_egl_display(void *platform, void *native_display,
|
|
const int *attrib_list)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static inline void *
|
|
weston_platform_create_egl_surface(void *dpy, void *config,
|
|
void *native_window,
|
|
const int *attrib_list)
|
|
{
|
|
return NULL;
|
|
}
|
|
#endif /* ENABLE_EGL */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* WESTON_PLATFORM_H */
|