From: Marek Olšák <maraeo@gmail.com>
Date: Sat, 14 Aug 2010 15:47:34 +0000 (-0700)
Subject: st/mesa: implement depth-only blit for BlitFramebuffer
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cfc4d866566c5b2d584cdc998e6540733190ea05;p=mesa.git

st/mesa: implement depth-only blit for BlitFramebuffer

Signed-off-by: Brian Paul <brianp@vmware.com>
---

diff --git a/src/mesa/state_tracker/st_cb_blit.c b/src/mesa/state_tracker/st_cb_blit.c
index b3c754477a4..536748402f4 100644
--- a/src/mesa/state_tracker/st_cb_blit.c
+++ b/src/mesa/state_tracker/st_cb_blit.c
@@ -188,8 +188,13 @@ st_BlitFramebuffer(GLcontext *ctx,
          /* blitting depth and stencil separately */
 
          if (mask & GL_DEPTH_BUFFER_BIT) {
-            /* blit Z only */
-            _mesa_problem(ctx, "st_BlitFramebuffer(DEPTH) not completed");
+            util_blit_pixels(st->blit, srcDepthRb->texture,
+                             u_subresource(srcDepthRb->surface->face,
+                                           srcDepthRb->surface->level),
+                             srcX0, srcY0, srcX1, srcY1,
+                             srcDepthRb->surface->zslice,
+                             dstDepthSurf, dstX0, dstY0, dstX1, dstY1,
+                             0.0, pFilter);
          }
 
          if (mask & GL_STENCIL_BUFFER_BIT) {