gallium/u_blitter: handle allocation failures

Cc: 11.0 <mesa-stable@lists.freedesktop.org>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c
index 9bba07a..2fbf69c 100644 (file)
--- a/src/gallium/auxiliary/util/u_blitter.c
+++ b/src/gallium/auxiliary/util/u_blitter.c
@@ -1190,6 +1190,8 @@ static void blitter_draw(struct blitter_context_priv *ctx,
 
    u_upload_data(ctx->upload, 0, sizeof(ctx->vertices), ctx->vertices,
                  &vb.buffer_offset, &vb.buffer);
+   if (!vb.buffer)
+      return;
    u_upload_unmap(ctx->upload);
 
    pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb);
@@ -2089,6 +2091,9 @@ void util_blitter_clear_buffer(struct blitter_context *blitter,
 
    u_upload_data(ctx->upload, 0, num_channels*4, clear_value,
                  &vb.buffer_offset, &vb.buffer);
+   if (!vb.buffer)
+      goto out;
+
    vb.stride = 0;
 
    blitter_set_running_flag(ctx);
@@ -2112,6 +2117,7 @@ void util_blitter_clear_buffer(struct blitter_context *blitter,
 
    util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4);
 
+out:
    blitter_restore_vertex_states(ctx);
    blitter_restore_render_cond(ctx);
    blitter_unset_running_flag(ctx);