nv50,nvc0: update sampler/view bind functions to accept NULL array

Apparently vl (or vdpau) wants to pass that in now. Handle it.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111213
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Cc: mesa-stable@lists.freedesktop.org
(cherry picked from commit c52b057e003b18a5f3248b2cfe2aae4c8d57197e)

2 files changed, 18 insertions, 14 deletions

diff --git a/src/gallium/drivers/nouveau/nv50/nv50_state.c b/src/gallium/drivers/nouveau/nv50/nv50_state.c
index 8688af14d3e..5af5e38b82e 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_state.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_state.c
@@ -599,19 +599,20 @@ nv50_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
 
 static inline void
 nv50_stage_sampler_states_bind(struct nv50_context *nv50, int s,
-                               unsigned nr, void **hwcso)
+                               unsigned nr, void **hwcsos)
 {
    unsigned highest_found = 0;
    unsigned i;
 
    assert(nr <= PIPE_MAX_SAMPLERS);
    for (i = 0; i < nr; ++i) {
+      struct nv50_tsc_entry *hwcso = hwcsos ? nv50_tsc_entry(hwcsos[i]) : NULL;
       struct nv50_tsc_entry *old = nv50->samplers[s][i];
 
-      if (hwcso[i])
+      if (hwcso)
          highest_found = i;
 
-      nv50->samplers[s][i] = nv50_tsc_entry(hwcso[i]);
+      nv50->samplers[s][i] = hwcso;
       if (old)
          nv50_screen_tsc_unlock(nv50->screen, old);
    }
@@ -685,12 +686,13 @@ nv50_stage_set_sampler_views(struct nv50_context *nv50, int s,
 
    assert(nr <= PIPE_MAX_SAMPLERS);
    for (i = 0; i < nr; ++i) {
+      struct pipe_sampler_view *view = views ? views[i] : NULL;
       struct nv50_tic_entry *old = nv50_tic_entry(nv50->textures[s][i]);
       if (old)
          nv50_screen_tic_unlock(nv50->screen, old);
 
-      if (views[i] && views[i]->texture) {
-         struct pipe_resource *res = views[i]->texture;
+      if (view && view->texture) {
+         struct pipe_resource *res = view->texture;
          if (res->target == PIPE_BUFFER &&
              (res->flags & PIPE_RESOURCE_FLAG_MAP_COHERENT))
             nv50->textures_coherent[s] |= 1 << i;
@@ -700,7 +702,7 @@ nv50_stage_set_sampler_views(struct nv50_context *nv50, int s,
          nv50->textures_coherent[s] &= ~(1 << i);
       }
 
-      pipe_sampler_view_reference(&nv50->textures[s][i], views[i]);
+      pipe_sampler_view_reference(&nv50->textures[s][i], view);
    }
 
    assert(nv50->num_textures[s] <= PIPE_MAX_SAMPLERS);
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_state.c b/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
index 30757caaacb..3c31e162b58 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
@@ -463,22 +463,23 @@ nvc0_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
 static inline void
 nvc0_stage_sampler_states_bind(struct nvc0_context *nvc0,
                                unsigned s,
-                               unsigned nr, void **hwcso)
+                               unsigned nr, void **hwcsos)
 {
    unsigned highest_found = 0;
    unsigned i;
 
    for (i = 0; i < nr; ++i) {
+      struct nv50_tsc_entry *hwcso = hwcsos ? nv50_tsc_entry(hwcsos[i]) : NULL;
       struct nv50_tsc_entry *old = nvc0->samplers[s][i];
 
-      if (hwcso[i])
+      if (hwcso)
          highest_found = i;
 
-      if (hwcso[i] == old)
+      if (hwcso == old)
          continue;
       nvc0->samplers_dirty[s] |= 1 << i;
 
-      nvc0->samplers[s][i] = nv50_tsc_entry(hwcso[i]);
+      nvc0->samplers[s][i] = hwcso;
       if (old)
          nvc0_screen_tsc_unlock(nvc0->screen, old);
    }
@@ -523,14 +524,15 @@ nvc0_stage_set_sampler_views(struct nvc0_context *nvc0, int s,
    unsigned i;
 
    for (i = 0; i < nr; ++i) {
+      struct pipe_sampler_view *view = views ? views[i] : NULL;
       struct nv50_tic_entry *old = nv50_tic_entry(nvc0->textures[s][i]);
 
-      if (views[i] == nvc0->textures[s][i])
+      if (view == nvc0->textures[s][i])
          continue;
       nvc0->textures_dirty[s] |= 1 << i;
 
-      if (views[i] && views[i]->texture) {
-         struct pipe_resource *res = views[i]->texture;
+      if (view && view->texture) {
+         struct pipe_resource *res = view->texture;
          if (res->target == PIPE_BUFFER &&
              (res->flags & PIPE_RESOURCE_FLAG_MAP_COHERENT))
             nvc0->textures_coherent[s] |= 1 << i;
@@ -548,7 +550,7 @@ nvc0_stage_set_sampler_views(struct nvc0_context *nvc0, int s,
          nvc0_screen_tic_unlock(nvc0->screen, old);
       }
 
-      pipe_sampler_view_reference(&nvc0->textures[s][i], views[i]);
+      pipe_sampler_view_reference(&nvc0->textures[s][i], view);
    }
 
    for (i = nr; i < nvc0->num_textures[s]; ++i) {