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authorWladimir J. van der Laan <[email protected]>2017-08-23 12:43:14 +0000
committerWladimir J. van der Laan <[email protected]>2018-03-31 06:17:59 +0000
commit6be017fdc4c4edd6c1815254f51e8dc2f02d79ac (patch)
treed97cb2b3eaff2c668eb98ee260d4ce485d17a57e /src/gallium
parentfb413727618608e65013b13f3601ceefe6d36f9b (diff)
freedreno: a2xx: Prevent crash in emit_texture if view is not set
Textures will sometimes be updated if texture view state was un-set, without this change that causes an assertion crash or segfault. Signed-off-by: Wladimir J. van der Laan <[email protected]> Reviewed-by: Ilia Mirkin <[email protected]> Reviewed-by: Rob Clark <[email protected]>
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/freedreno/a2xx/fd2_emit.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/src/gallium/drivers/freedreno/a2xx/fd2_emit.c b/src/gallium/drivers/freedreno/a2xx/fd2_emit.c
index 5a1db1335e3..a787b71e379 100644
--- a/src/gallium/drivers/freedreno/a2xx/fd2_emit.c
+++ b/src/gallium/drivers/freedreno/a2xx/fd2_emit.c
@@ -125,8 +125,9 @@ emit_texture(struct fd_ringbuffer *ring, struct fd_context *ctx,
{
unsigned const_idx = fd2_get_const_idx(ctx, tex, samp_id);
static const struct fd2_sampler_stateobj dummy_sampler = {};
+ static const struct fd2_pipe_sampler_view dummy_view = {};
const struct fd2_sampler_stateobj *sampler;
- struct fd2_pipe_sampler_view *view;
+ const struct fd2_pipe_sampler_view *view;
if (emitted & (1 << const_idx))
return 0;
@@ -134,13 +135,19 @@ emit_texture(struct fd_ringbuffer *ring, struct fd_context *ctx,
sampler = tex->samplers[samp_id] ?
fd2_sampler_stateobj(tex->samplers[samp_id]) :
&dummy_sampler;
- view = fd2_pipe_sampler_view(tex->textures[samp_id]);
+ view = tex->textures[samp_id] ?
+ fd2_pipe_sampler_view(tex->textures[samp_id]) :
+ &dummy_view;
OUT_PKT3(ring, CP_SET_CONSTANT, 7);
OUT_RING(ring, 0x00010000 + (0x6 * const_idx));
OUT_RING(ring, sampler->tex0 | view->tex0);
- OUT_RELOC(ring, fd_resource(view->base.texture)->bo, 0, view->fmt, 0);
+ if (view->base.texture)
+ OUT_RELOC(ring, fd_resource(view->base.texture)->bo, 0, view->fmt, 0);
+ else
+ OUT_RING(ring, 0);
+
OUT_RING(ring, view->tex2);
OUT_RING(ring, sampler->tex3 | view->tex3);
OUT_RING(ring, sampler->tex4);