vc4: Drop the flush at the end of the draw

Now we actally get multiple draw calls per submit.

src/gallium/drivers/vc4/vc4_draw.c

@@ -187,8 +187,6 @@ vc4_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info)
         vc4->resolve |= PIPE_CLEAR_COLOR0;
 
         vc4->shader_rec_count++;
-
-        vc4_flush(pctx);
 }
 
 static uint32_t

src/gallium/drivers/vc4/vc4_resource.c

@@ -57,6 +57,8 @@ vc4_resource_transfer_map(struct pipe_context *pctx,
         enum pipe_format format = prsc->format;
         char *buf;
 
+        vc4_flush(pctx);
+
         ptrans = util_slab_alloc(&vc4->transfer_pool);
         if (!ptrans)
                 return NULL;