gallium: Permit surface_copy and surface_fill to be NULL.

[mesa.git] / src / gallium / state_trackers / egl / egl_surface.c

diff --git a/src/gallium/state_trackers/egl/egl_surface.c b/src/gallium/state_trackers/egl/egl_surface.c
index 7911a8834e01576c888d34332d4c7d888043f86b..71c013756d30af60c5d26cbbbed6e93d19e9b791 100644 (file)
--- a/src/gallium/state_trackers/egl/egl_surface.c
+++ b/src/gallium/state_trackers/egl/egl_surface.c
@@ -12,6 +12,8 @@
 
 #include "state_tracker/drm_api.h"
 
+#include "util/u_rect.h"
+
 /*
  * Util functions
  */
@@ -360,12 +362,21 @@ drm_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *draw)
                st_notify_swapbuffers(surf->stfb);
 
                if (ctx && surf->screen) {
-                       ctx->pipe->surface_copy(ctx->pipe,
-                               surf->screen->surface,
-                               0, 0,
-                               back_surf,
-                               0, 0,
-                               surf->w, surf->h);
+            if (ctx->pipe->surface_copy) {
+                ctx->pipe->surface_copy(ctx->pipe,
+                    surf->screen->surface,
+                    0, 0,
+                    back_surf,
+                    0, 0,
+                    surf->w, surf->h);
+            } else {
+                util_surface_copy(ctx->pipe, FALSE,
+                    surf->screen->surface,
+                    0, 0,
+                    back_surf,
+                    0, 0,
+                    surf->w, surf->h);
+            }
                        ctx->pipe->flush(ctx->pipe, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_TEXTURE_CACHE, NULL);
 
 #ifdef DRM_MODE_FEATURE_DIRTYFB