Module: Mesa
Branch: master
Commit: aee5f1e40ca27149a6226187e855125821d96971
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=aee5f1e40ca27149a6226187e855125821d96971

Author: Dave Airlie <[email protected]>
Date:   Tue Feb  1 13:00:56 2011 +1000

r600: only decompress depth when its tile type is wrong.

If the tile type for the buffer is 1 then its been bound to the
DB at some point, we need to decompress it, otherwise its only
been bound as texture/cb so don't do anything.

This fixes 5 piglit tests here on r600g.

---

 src/gallium/drivers/r600/r600_blit.c    |    6 +++++-
 src/gallium/drivers/r600/r600_state.c   |    2 +-
 src/gallium/drivers/r600/r600_texture.c |    2 +-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_blit.c 
b/src/gallium/drivers/r600/r600_blit.c
index 83c02e5..a8e85df 100644
--- a/src/gallium/drivers/r600/r600_blit.c
+++ b/src/gallium/drivers/r600/r600_blit.c
@@ -129,7 +129,11 @@ void r600_flush_depth_textures(struct r600_pipe_context 
*rctx)
                if (!view) continue;
 
                tex = (struct r600_resource_texture *)view->base.texture;
-               if (!tex->depth) continue;
+               if (!tex->depth)
+                       continue;
+
+               if (tex->tile_type == 0)
+                       continue;
 
                r600_blit_uncompress_depth(&rctx->context, tex);
        }
diff --git a/src/gallium/drivers/r600/r600_state.c 
b/src/gallium/drivers/r600/r600_state.c
index d23f242..acaa5c0 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -429,7 +429,7 @@ static struct pipe_sampler_view 
*r600_create_sampler_view(struct pipe_context *c
                R600_ERR("unknow format %d\n", state->format);
        }
        tmp = (struct r600_resource_texture *)texture;
-       if (tmp->depth) {
+       if (tmp->depth && tmp->tile_type == 1) {
                r600_texture_depth_flush(ctx, texture);
                tmp = tmp->flushed_depth_texture;
        }
diff --git a/src/gallium/drivers/r600/r600_texture.c 
b/src/gallium/drivers/r600/r600_texture.c
index e45f4a5..dd28049 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -574,7 +574,7 @@ struct pipe_transfer* r600_texture_get_transfer(struct 
pipe_context *ctx,
        trans->transfer.level = level;
        trans->transfer.usage = usage;
        trans->transfer.box = *box;
-       if (rtex->depth) {
+       if (rtex->depth && rtex->tile_type == 1) {
                /* XXX: only readback the rectangle which is being mapped?
                */
                /* XXX: when discard is true, no need to read back from depth 
texture

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