render/egl: allow passing NULL to surface and image destructors

backend/drm/renderer.c

@@ -79,9 +79,7 @@ bool wlr_drm_surface_init(struct wlr_drm_surface *surf,
 		}
 		gbm_surface_destroy(surf->gbm);
 	}
-	if (surf->egl) {
-		wlr_egl_destroy_surface(&surf->renderer->egl, surf->egl);
-	}
+	wlr_egl_destroy_surface(&surf->renderer->egl, surf->egl);
 
 	surf->gbm = gbm_surface_create(renderer->gbm, width, height,
 		format, GBM_BO_USE_RENDERING | flags);
@@ -117,9 +115,7 @@ void wlr_drm_surface_finish(struct wlr_drm_surface *surf) {
 		gbm_surface_release_buffer(surf->gbm, surf->back);
 	}
 
-	if (surf->egl) {
-		wlr_egl_destroy_surface(&surf->renderer->egl, surf->egl);
-	}
+	wlr_egl_destroy_surface(&surf->renderer->egl, surf->egl);
 	if (surf->gbm) {
 		gbm_surface_destroy(surf->gbm);
 	}

backend/headless/output.c

@@ -29,9 +29,7 @@ static bool output_set_custom_mode(struct wlr_output *wlr_output, int32_t width,
 		refresh = HEADLESS_DEFAULT_REFRESH;
 	}
 
-	if (output->egl_surface) {
-		wlr_egl_destroy_surface(&backend->egl, output->egl_surface);
-	}
+	wlr_egl_destroy_surface(&backend->egl, output->egl_surface);
 
 	output->egl_surface = egl_create_surface(&backend->egl, width, height);
 	if (output->egl_surface == EGL_NO_SURFACE) {

include/wlr/render/egl.h

@@ -98,6 +98,6 @@ bool wlr_egl_is_current(struct wlr_egl *egl);
 bool wlr_egl_swap_buffers(struct wlr_egl *egl, EGLSurface surface,
 	pixman_region32_t *damage);
 
-void wlr_egl_destroy_surface(struct wlr_egl *egl, EGLSurface surface);
+bool wlr_egl_destroy_surface(struct wlr_egl *egl, EGLSurface surface);
 
 #endif

render/egl.c

@@ -225,9 +225,10 @@ bool wlr_egl_destroy_image(struct wlr_egl *egl, EGLImage image) {
 	if (!eglDestroyImageKHR) {
 		return false;
 	}
-
-	eglDestroyImageKHR(egl->display, image);
-	return true;
+	if (!image) {
+		return true;
+	}
+	return eglDestroyImageKHR(egl->display, image);
 }
 
 EGLSurface wlr_egl_create_surface(struct wlr_egl *egl, void *window) {
@@ -500,6 +501,9 @@ int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl,
 	return num;
 }
 
-void wlr_egl_destroy_surface(struct wlr_egl *egl, EGLSurface surface) {
-	eglDestroySurface(egl->display, surface);
+bool wlr_egl_destroy_surface(struct wlr_egl *egl, EGLSurface surface) {
+	if (!surface) {
+		return true;
+	}
+	return eglDestroySurface(egl->display, surface);
 }

render/gles2/texture.c

@@ -88,10 +88,7 @@ static void gles2_texture_destroy(struct wlr_texture *wlr_texture) {
 	if (texture->image_tex) {
 		glDeleteTextures(1, &texture->image_tex);
 	}
-	if (texture->image) {
-		assert(eglDestroyImageKHR);
-		wlr_egl_destroy_image(texture->egl, texture->image);
-	}
+	wlr_egl_destroy_image(texture->egl, texture->image);
 
 	if (texture->type == WLR_GLES2_TEXTURE_GLTEX) {
 		glDeleteTextures(1, &texture->gl_tex);