svga: Fix banded DMA upload unmap

[mesa.git] / src / gallium / drivers / svga / svga_resource_buffer.h

diff --git a/src/gallium/drivers/svga/svga_resource_buffer.h b/src/gallium/drivers/svga/svga_resource_buffer.h
index db533416ec4cef9d0591d1cfd7ab48c9eb0ea601..35ed35d61ddafaab62c79060416bdcbc4ebca78d 100644 (file)
--- a/src/gallium/drivers/svga/svga_resource_buffer.h
+++ b/src/gallium/drivers/svga/svga_resource_buffer.h
@@ -73,7 +73,7 @@ struct svga_buffer_surface
 /**
  * SVGA pipe buffer.
  */
-struct svga_buffer 
+struct svga_buffer
 {
    struct u_resource b;
 
@@ -82,30 +82,30 @@ struct svga_buffer
 
    /**
     * Regular (non DMA'able) memory.
-    * 
+    *
     * Used for user buffers or for buffers which we know before hand that can
     * never be used by the virtual hardware directly, such as constant buffers.
     */
    void *swbuf;
-   
-   /** 
+
+   /**
     * Whether swbuf was created by the user or not.
     */
    boolean user;
-   
+
    /**
     * Creation key for the host surface handle.
-    * 
-    * This structure describes all the host surface characteristics so that it 
+    *
+    * This structure describes all the host surface characteristics so that it
     * can be looked up in cache, since creating a host surface is often a slow
     * operation.
     */
    struct svga_host_surface_cache_key key;
-   
+
    /**
     * Host surface handle.
-    * 
-    * This is a platform independent abstraction for host SID. We create when 
+    *
+    * This is a platform independent abstraction for host SID. We create when
     * trying to bind.
     *
     * Only set for non-user buffers.
@@ -237,8 +237,8 @@ svga_buffer(struct pipe_resource *resource)
  * Returns TRUE for user buffers.  We may
  * decide to use an alternate upload path for these buffers.
  */
-static inline boolean 
-svga_buffer_is_user_buffer( struct pipe_resource *buffer )
+static inline boolean
+svga_buffer_is_user_buffer(struct pipe_resource *buffer)
 {
    if (buffer) {
       return svga_buffer(buffer)->user;
@@ -314,6 +314,15 @@ svga_buffer_hw_storage_unmap(struct svga_context *svga,
             ret = SVGA3D_BindGBSurface(swc, sbuf->handle);
             assert(ret == PIPE_OK);
          }
+         if (swc->force_coherent) {
+            ret = SVGA3D_UpdateGBSurface(swc, sbuf->handle);
+            if (ret != PIPE_OK) {
+               /* flush and retry */
+               svga_context_flush(svga, NULL);
+               ret = SVGA3D_UpdateGBSurface(swc, sbuf->handle);
+               assert(ret == PIPE_OK);
+            }
+         }
       }
    } else
       sws->buffer_unmap(sws, sbuf->hwbuf);
@@ -324,11 +333,11 @@ struct pipe_resource *
 svga_user_buffer_create(struct pipe_screen *screen,
                         void *ptr,
                         unsigned bytes,
-                       unsigned usage);
+                        unsigned usage);
 
 struct pipe_resource *
 svga_buffer_create(struct pipe_screen *screen,
-                  const struct pipe_resource *template);
+                   const struct pipe_resource *template);
 
 
 
@@ -351,7 +360,7 @@ svga_context_flush_buffers(struct svga_context *svga);
 
 struct svga_winsys_buffer *
 svga_winsys_buffer_create(struct svga_context *svga,
-                          unsigned alignment, 
+                          unsigned alignment,
                           unsigned usage,
                           unsigned size);