On 02/02/2012 06:20 AM, jfons...@vmware.com wrote:
From: José Fonseca<jfons...@vmware.com>

Now that the draw module avoids flushing, it may flush precisely when
binding a NULL shader, so care must be taken when restoring the original
fragment shader.
---
  src/gallium/auxiliary/draw/draw_pipe_aaline.c   |    2 +-
  src/gallium/auxiliary/draw/draw_pipe_aapoint.c  |    2 +-
  src/gallium/auxiliary/draw/draw_pipe_pstipple.c |    2 +-
  3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/gallium/auxiliary/draw/draw_pipe_aaline.c 
b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
index 0b368da..ea0a4fb 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_aaline.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
@@ -738,7 +738,7 @@ aaline_flush(struct draw_stage *stage, unsigned flags)

     /* restore original frag shader, texture, sampler state */
     draw->suspend_flushing = TRUE;
-   aaline->driver_bind_fs_state(pipe, aaline->fs->driver_fs);
+   aaline->driver_bind_fs_state(pipe, aaline->fs ? aaline->fs->driver_fs : 
NULL);
     aaline->driver_bind_sampler_states(pipe, aaline->num_samplers,
                                        aaline->state.sampler);
     aaline->driver_set_sampler_views(pipe,
diff --git a/src/gallium/auxiliary/draw/draw_pipe_aapoint.c 
b/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
index 248f26b..a900dd3 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
@@ -744,7 +744,7 @@ aapoint_flush(struct draw_stage *stage, unsigned flags)

     /* restore original frag shader */
     draw->suspend_flushing = TRUE;
-   aapoint->driver_bind_fs_state(pipe, aapoint->fs->driver_fs);
+   aapoint->driver_bind_fs_state(pipe, aapoint->fs ? aapoint->fs->driver_fs : 
NULL);

     /* restore original rasterizer state */
     if (draw->rast_handle) {
diff --git a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c 
b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
index 0401a45..62c54b3 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
@@ -565,7 +565,7 @@ pstip_flush(struct draw_stage *stage, unsigned flags)

     /* restore original frag shader, texture, sampler state */
     draw->suspend_flushing = TRUE;
-   pstip->driver_bind_fs_state(pipe, pstip->fs->driver_fs);
+   pstip->driver_bind_fs_state(pipe, pstip->fs ? pstip->fs->driver_fs : NULL);
     pstip->driver_bind_sampler_states(pipe, pstip->num_samplers,
                                       pstip->state.samplers);
     pstip->driver_set_sampler_views(pipe,

Reviewed-by: Brian Paul <bri...@vmware.com>

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