1 files changed, 110 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_pipe_blit.c b/src/gallium/drivers/svga/svga_pipe_blit.c
new file mode 100644
index 0000000000..ca036a6463
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_pipe_blit.c
@@ -0,0 +1,110 @@
+/**********************************************************
+ * Copyright 2008-2009 VMware, Inc.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ **********************************************************/
+
+#include "svga_resource_texture.h"
+#include "svga_context.h"
+#include "svga_debug.h"
+#include "svga_cmd.h"
+#include "svga_surface.h"
+
+#define FILE_DEBUG_FLAG DEBUG_BLIT
+
+
+/* XXX I got my doubts about this, should maybe use svga_texture_copy_handle directly? */
+static void svga_surface_copy(struct pipe_context *pipe,
+                              struct pipe_resource* dst_tex,
+                              struct pipe_subresource subdst,
+                              unsigned dstx, unsigned dsty, unsigned dstz,
+                              struct pipe_resource* src_tex,
+                              struct pipe_subresource subsrc,
+                              unsigned srcx, unsigned srcy, unsigned srcz,
+                              unsigned width, unsigned height)
+{
+   struct svga_context *svga = svga_context(pipe);
+   struct pipe_screen *screen = pipe->screen;
+   SVGA3dCopyBox *box;
+   enum pipe_error ret;
+   struct pipe_surface *srcsurf, *dstsurf;
+
+   svga_hwtnl_flush_retry( svga );
+
+   srcsurf = screen->get_tex_surface(screen, src_tex,
+                                     subsrc.face, subsrc.level, srcz,
+                                     PIPE_BIND_SAMPLER_VIEW);
+
+   dstsurf = screen->get_tex_surface(screen, dst_tex,
+                                     subdst.face, subdst.level, dstz,
+                                     PIPE_BIND_RENDER_TARGET);
+
+   SVGA_DBG(DEBUG_DMA, "blit to sid %p (%d,%d), from sid %p (%d,%d) sz %dx%d\n",
+            svga_surface(dstsurf)->handle,
+            dstx, dsty,
+            svga_surface(srcsurf)->handle,
+            srcx, srcy,
+            width, height);
+
+   ret = SVGA3D_BeginSurfaceCopy(svga->swc,
+                                 srcsurf,
+                                 dstsurf,
+                                 &box,
+                                 1);
+   if(ret != PIPE_OK) {
+
+      svga_context_flush(svga, NULL);
+
+      ret = SVGA3D_BeginSurfaceCopy(svga->swc,
+                                    srcsurf,
+                                    dstsurf,
+                                    &box,
+                                    1);
+      assert(ret == PIPE_OK);
+   }
+
+   box->x = dstx;
+   box->y = dsty;
+   box->z = 0;
+   box->w = width;
+   box->h = height;
+   box->d = 1;
+   box->srcx = srcx;
+   box->srcy = srcy;
+   box->srcz = 0;
+
+   SVGA_FIFOCommitAll(svga->swc);
+
+   svga_surface(dstsurf)->dirty = TRUE;
+   svga_propagate_surface(pipe, dstsurf);
+
+   pipe_surface_reference(&srcsurf, NULL);
+   pipe_surface_reference(&dstsurf, NULL);
+
+}
+
+
+void
+svga_init_blit_functions(struct svga_context *svga)
+{
+   svga->pipe.resource_copy_region = svga_surface_copy;
+}