diff options
Diffstat (limited to 'render/egl.c')
| -rw-r--r-- | render/egl.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/render/egl.c b/render/egl.c index fed556f8..0a68d6e5 100644 --- a/render/egl.c +++ b/render/egl.c @@ -83,6 +83,24 @@ static bool egl_get_config(EGLDisplay disp, EGLint *attribs, EGLConfig *out, return false; } +static bool check_egl_ext(const char *egl_exts, const char *ext) { + size_t extlen = strlen(ext); + const char *end = egl_exts + strlen(egl_exts); + + while (egl_exts < end) { + if (*egl_exts == ' ') { + egl_exts++; + continue; + } + size_t n = strcspn(egl_exts, " "); + if (n == extlen && strncmp(ext, egl_exts, n) == 0) { + return true; + } + egl_exts += n; + } + return false; +} + bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display, EGLint *config_attribs, EGLint visual_id) { if (!load_glapi()) { @@ -137,17 +155,17 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display, wlr_log(L_INFO, "GL vendor: %s", glGetString(GL_VENDOR)); wlr_log(L_INFO, "Supported OpenGL ES extensions: %s", egl->gl_exts_str); - if (strstr(egl->egl_exts_str, "EGL_WL_bind_wayland_display") == NULL || - strstr(egl->egl_exts_str, "EGL_KHR_image_base") == NULL) { + if (!check_egl_ext(egl->egl_exts_str, "EGL_WL_bind_wayland_display") || + !check_egl_ext(egl->egl_exts_str, "EGL_KHR_image_base")) { wlr_log(L_ERROR, "Required egl extensions not supported"); goto error; } egl->egl_exts.buffer_age = - strstr(egl->egl_exts_str, "EGL_EXT_buffer_age") != NULL; + check_egl_ext(egl->egl_exts_str, "EGL_EXT_buffer_age"); egl->egl_exts.swap_buffers_with_damage = - strstr(egl->egl_exts_str, "EGL_EXT_swap_buffers_with_damage") != NULL || - strstr(egl->egl_exts_str, "EGL_KHR_swap_buffers_with_damage") != NULL; + check_egl_ext(egl->egl_exts_str, "EGL_EXT_swap_buffers_with_damage") || + check_egl_ext(egl->egl_exts_str, "EGL_KHR_swap_buffers_with_damage"); return true; |