Mesa (master): draw: Make copy of the TGSI tokens.

[Jose Fonseca]

Module: Mesa
Branch: master
Commit: fc31f9a3f255c5565ce2a3e9c73415bc17199e28
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=fc31f9a3f255c5565ce2a3e9c73415bc17199e28

Author: José Fonseca <jfonseca at vmware.com>
Date:   Fri Sep 23 16:32:31 2011 +0100

draw: Make copy of the TGSI tokens.

There is no guarantee that the tokens TGSI will persist beyond the
create_fs_state. The pipe driver (and therefore the draw module) is
responsible for making copies of the TGSI tokens when it needs them.

Reviewed-by: Brian Paul <brianp at vmware.com>

---

 src/gallium/auxiliary/draw/draw_pipe_aaline.c  |    4 +++-
 src/gallium/auxiliary/draw/draw_pipe_aapoint.c |    4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/gallium/auxiliary/draw/draw_pipe_aaline.c b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
index 458f85d..7ecd2aa 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_aaline.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
@@ -848,7 +848,7 @@ aaline_create_fs_state(struct pipe_context *pipe,
    if (aafs == NULL)
       return NULL;
 
-   aafs->state = *fs;
+   aafs->state.tokens = tgsi_dup_tokens(fs->tokens);
 
    /* pass-through */
    aafs->driver_fs = aaline->driver_create_fs_state(pipe, fs);
@@ -882,6 +882,8 @@ aaline_delete_fs_state(struct pipe_context *pipe, void *fs)
    if (aafs->aaline_fs)
       aaline->driver_delete_fs_state(pipe, aafs->aaline_fs);
 
+   FREE((void*)aafs->state.tokens);
+
    FREE(aafs);
 }
 
diff --git a/src/gallium/auxiliary/draw/draw_pipe_aapoint.c b/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
index 9265c37..698ab13 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
@@ -834,7 +834,7 @@ aapoint_create_fs_state(struct pipe_context *pipe,
    if (aafs == NULL) 
       return NULL;
 
-   aafs->state = *fs;
+   aafs->state.tokens = tgsi_dup_tokens(fs->tokens);
 
    /* pass-through */
    aafs->driver_fs = aapoint->driver_create_fs_state(pipe, fs);
@@ -868,6 +868,8 @@ aapoint_delete_fs_state(struct pipe_context *pipe, void *fs)
    if (aafs->aapoint_fs)
       aapoint->driver_delete_fs_state(pipe, aafs->aapoint_fs);
 
+   FREE((void*)aafs->state.tokens);
+
    FREE(aafs);
 }