diff options
author | Simon Ser <contact@emersion.fr> | 2020-04-06 13:27:05 +0200 |
---|---|---|
committer | Drew DeVault <sir@cmpwn.com> | 2020-04-22 22:40:54 +0200 |
commit | 6129a6f93e97680dfe7e983db2ee7671edb5ffbe (patch) | |
tree | 0c4873841587f434973382f2a551420e7230156d /backend/headless | |
parent | 40513f1a0ec3cb2b2fdc4b0dbd4765d152ef76ce (diff) |
backend/headless: add wlr_headless_backend_create_with_renderer
This allows one to create a headless backend with an existing renderer.
Diffstat (limited to 'backend/headless')
-rw-r--r-- | backend/headless/backend.c | 83 | ||||
-rw-r--r-- | backend/headless/output.c | 10 |
2 files changed, 62 insertions, 31 deletions
diff --git a/backend/headless/backend.c b/backend/headless/backend.c index 73ec9ebd..8eadd3b7 100644 --- a/backend/headless/backend.c +++ b/backend/headless/backend.c @@ -62,7 +62,9 @@ static void backend_destroy(struct wlr_backend *wlr_backend) { wlr_signal_emit_safe(&wlr_backend->events.destroy, backend); wlr_renderer_destroy(backend->renderer); - wlr_egl_finish(&backend->egl); + if (backend->egl == &backend->priv_egl) { + wlr_egl_finish(&backend->priv_egl); + } free(backend); } @@ -85,6 +87,34 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) { backend_destroy(&backend->backend); } +static bool backend_init(struct wlr_headless_backend *backend, + struct wl_display *display, struct wlr_renderer *renderer) { + wlr_backend_init(&backend->backend, &backend_impl); + backend->display = display; + wl_list_init(&backend->outputs); + wl_list_init(&backend->input_devices); + + backend->renderer = renderer; + backend->egl = wlr_gles2_renderer_get_egl(renderer); + + if (wlr_gles2_renderer_check_ext(backend->renderer, "GL_OES_rgb8_rgba8") || + wlr_gles2_renderer_check_ext(backend->renderer, + "GL_OES_required_internalformat") || + wlr_gles2_renderer_check_ext(backend->renderer, "GL_ARM_rgba8")) { + backend->internal_format = GL_RGBA8_OES; + } else { + wlr_log(WLR_INFO, "GL_RGBA8_OES not supported, " + "falling back to GL_RGBA4 internal format " + "(performance may be affected)"); + backend->internal_format = GL_RGBA4; + } + + backend->display_destroy.notify = handle_display_destroy; + wl_display_add_destroy_listener(display, &backend->display_destroy); + + return true; +} + struct wlr_backend *wlr_headless_backend_create(struct wl_display *display, wlr_renderer_create_func_t create_renderer_func) { wlr_log(WLR_INFO, "Creating headless backend"); @@ -95,10 +125,6 @@ struct wlr_backend *wlr_headless_backend_create(struct wl_display *display, wlr_log(WLR_ERROR, "Failed to allocate wlr_headless_backend"); return NULL; } - wlr_backend_init(&backend->backend, &backend_impl); - backend->display = display; - wl_list_init(&backend->outputs); - wl_list_init(&backend->input_devices); static const EGLint config_attribs[] = { EGL_SURFACE_TYPE, 0, @@ -113,36 +139,41 @@ struct wlr_backend *wlr_headless_backend_create(struct wl_display *display, create_renderer_func = wlr_renderer_autocreate; } - backend->renderer = create_renderer_func(&backend->egl, + struct wlr_renderer *renderer = create_renderer_func(&backend->priv_egl, EGL_PLATFORM_SURFACELESS_MESA, EGL_DEFAULT_DISPLAY, (EGLint*)config_attribs, 0); - if (!backend->renderer) { + if (!renderer) { wlr_log(WLR_ERROR, "Failed to create renderer"); - goto error_backend; + free(backend); + return NULL; } - if (wlr_gles2_renderer_check_ext(backend->renderer, "GL_OES_rgb8_rgba8") || - wlr_gles2_renderer_check_ext(backend->renderer, - "GL_OES_required_internalformat") || - wlr_gles2_renderer_check_ext(backend->renderer, "GL_ARM_rgba8")) { - backend->internal_format = GL_RGBA8_OES; - } else { - wlr_log(WLR_INFO, "GL_RGBA8_OES not supported, " - "falling back to GL_RGBA4 internal format " - "(performance may be affected)"); - backend->internal_format = GL_RGBA4; + if (!backend_init(backend, display, renderer)) { + wlr_renderer_destroy(backend->renderer); + free(backend); + return NULL; } - backend->display_destroy.notify = handle_display_destroy; - wl_display_add_destroy_listener(display, &backend->display_destroy); - return &backend->backend; +} -error_renderer: - wlr_renderer_destroy(backend->renderer); -error_backend: - free(backend); - return NULL; +struct wlr_backend *wlr_headless_backend_create_with_renderer( + struct wl_display *display, struct wlr_renderer *renderer) { + wlr_log(WLR_INFO, "Creating headless backend"); + + struct wlr_headless_backend *backend = + calloc(1, sizeof(struct wlr_headless_backend)); + if (!backend) { + wlr_log(WLR_ERROR, "Failed to allocate wlr_headless_backend"); + return NULL; + } + + if (!backend_init(backend, display, renderer)) { + free(backend); + return NULL; + } + + return &backend->backend; } bool wlr_backend_is_headless(struct wlr_backend *backend) { diff --git a/backend/headless/output.c b/backend/headless/output.c index 0f6a1549..dc0a1478 100644 --- a/backend/headless/output.c +++ b/backend/headless/output.c @@ -16,7 +16,7 @@ static struct wlr_headless_output *headless_output_from_output( static bool create_fbo(struct wlr_headless_output *output, unsigned int width, unsigned int height) { - if (!wlr_egl_make_current(&output->backend->egl, EGL_NO_SURFACE, NULL)) { + if (!wlr_egl_make_current(output->backend->egl, EGL_NO_SURFACE, NULL)) { return false; } @@ -46,7 +46,7 @@ static bool create_fbo(struct wlr_headless_output *output, } static void destroy_fbo(struct wlr_headless_output *output) { - if (!wlr_egl_make_current(&output->backend->egl, EGL_NO_SURFACE, NULL)) { + if (!wlr_egl_make_current(output->backend->egl, EGL_NO_SURFACE, NULL)) { return; } @@ -82,7 +82,7 @@ static bool output_attach_render(struct wlr_output *wlr_output, struct wlr_headless_output *output = headless_output_from_output(wlr_output); - if (!wlr_egl_make_current(&output->backend->egl, EGL_NO_SURFACE, NULL)) { + if (!wlr_egl_make_current(output->backend->egl, EGL_NO_SURFACE, NULL)) { return false; } @@ -129,7 +129,7 @@ static bool output_commit(struct wlr_output *wlr_output) { wlr_output_send_present(wlr_output, NULL); } - wlr_egl_make_current(&output->backend->egl, EGL_NO_SURFACE, NULL); + wlr_egl_make_current(output->backend->egl, EGL_NO_SURFACE, NULL); glBindFramebuffer(GL_FRAMEBUFFER, 0); return true; @@ -138,7 +138,7 @@ static bool output_commit(struct wlr_output *wlr_output) { static void output_rollback(struct wlr_output *wlr_output) { struct wlr_headless_output *output = headless_output_from_output(wlr_output); - wlr_egl_make_current(&output->backend->egl, EGL_NO_SURFACE, NULL); + wlr_egl_make_current(output->backend->egl, EGL_NO_SURFACE, NULL); glBindFramebuffer(GL_FRAMEBUFFER, 0); } |