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Diffstat (limited to 'backend/headless')
-rw-r--r--backend/headless/backend.c108
1 files changed, 15 insertions, 93 deletions
diff --git a/backend/headless/backend.c b/backend/headless/backend.c
index 71c87dd0..f95e3897 100644
--- a/backend/headless/backend.c
+++ b/backend/headless/backend.c
@@ -73,98 +73,6 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
backend_destroy(&backend->backend);
}
-static bool egl_get_config(EGLDisplay disp, EGLConfig *out) {
- EGLint count = 0, matched = 0, ret;
-
- ret = eglGetConfigs(disp, NULL, 0, &count);
- if (ret == EGL_FALSE || count == 0) {
- wlr_log(L_ERROR, "eglGetConfigs returned no configs");
- return false;
- }
-
- EGLConfig configs[count];
-
- static const EGLint attribs[] = {
- EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
- EGL_ALPHA_SIZE, 0,
- EGL_BLUE_SIZE, 8,
- EGL_GREEN_SIZE, 8,
- EGL_RED_SIZE, 8,
- EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
- EGL_NONE,
- };
-
- ret = eglChooseConfig(disp, attribs, configs, count, &matched);
- if (ret == EGL_FALSE) {
- wlr_log(L_ERROR, "eglChooseConfig failed");
- return false;
- }
-
- // TODO
- *out = configs[0];
- return true;
-}
-
-static bool egl_init(struct wlr_egl *egl) {
- if (!load_glapi()) {
- return false;
- }
-
- if (eglBindAPI(EGL_OPENGL_ES_API) == EGL_FALSE) {
- wlr_log(L_ERROR, "Failed to bind to the OpenGL ES API: %s", egl_error());
- goto error;
- }
-
- egl->display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
- if (egl->display == EGL_NO_DISPLAY) {
- wlr_log(L_ERROR, "Failed to create EGL display: %s", egl_error());
- goto error;
- }
-
- EGLint major, minor;
- if (eglInitialize(egl->display, &major, &minor) == EGL_FALSE) {
- wlr_log(L_ERROR, "Failed to initialize EGL: %s", egl_error());
- goto error;
- }
-
- if (!egl_get_config(egl->display, &egl->config)) {
- wlr_log(L_ERROR, "Failed to get EGL config");
- goto error;
- }
-
- static const EGLint attribs[] = {
- EGL_CONTEXT_CLIENT_VERSION, 2,
- EGL_NONE,
- };
-
- egl->context = eglCreateContext(egl->display, egl->config,
- EGL_NO_CONTEXT, attribs);
- if (egl->context == EGL_NO_CONTEXT) {
- wlr_log(L_ERROR, "Failed to create EGL context: %s", egl_error());
- goto error;
- }
-
- eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl->context);
- egl->egl_exts = eglQueryString(egl->display, EGL_EXTENSIONS);
- if (strstr(egl->egl_exts, "EGL_KHR_image_base") == NULL) {
- wlr_log(L_ERROR, "Required egl extensions not supported");
- goto error;
- }
-
- egl->gl_exts = (const char*) glGetString(GL_EXTENSIONS);
- wlr_log(L_INFO, "Using EGL %d.%d", (int)major, (int)minor);
- wlr_log(L_INFO, "Using %s", glGetString(GL_VERSION));
- wlr_log(L_INFO, "Supported EGL extensions: %s", egl->egl_exts);
- wlr_log(L_INFO, "Supported OpenGL ES extensions: %s", egl->gl_exts);
- return true;
-
-error:
- eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
- eglTerminate(egl->display);
- eglReleaseThread();
- return false;
-}
-
struct wlr_backend *wlr_headless_backend_create(struct wl_display *display) {
wlr_log(L_INFO, "Creating headless backend");
@@ -179,7 +87,21 @@ struct wlr_backend *wlr_headless_backend_create(struct wl_display *display) {
wl_list_init(&backend->outputs);
wl_list_init(&backend->input_devices);
- egl_init(&backend->egl);
+ static const EGLint config_attribs[] = {
+ EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
+ EGL_ALPHA_SIZE, 0,
+ EGL_BLUE_SIZE, 8,
+ EGL_GREEN_SIZE, 8,
+ EGL_RED_SIZE, 8,
+ EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+ EGL_NONE,
+ };
+ bool ok = wlr_egl_init(&backend->egl, EGL_PLATFORM_SURFACELESS_MESA, NULL,
+ (EGLint *)config_attribs, 0);
+ if (!ok) {
+ free(backend);
+ return NULL;
+ }
backend->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &backend->display_destroy);