[Mesa-dev] [PATCH 1/4] gallium: add bool return to pipe_context::end_query

Roland Scheidegger sroland at vmware.com
Fri Apr 22 18:36:58 UTC 2016


Am 22.04.2016 um 19:28 schrieb Nicolai Hähnle:
> On 22.04.2016 11:52, Roland Scheidegger wrote:
>> Am 22.04.2016 um 18:22 schrieb Nicolai Hähnle:
>>> On 22.04.2016 08:56, Roland Scheidegger wrote:
>>>> I don't quite understand why this is necessary.
>>>> Couldn't you just handle such failures in the driver easily?
>>>
>>> How? When we need a new query buffer due to command buffer flush, and
>>> that buffer allocation fails, there's no easy way out (that still
>>> produces correct results). I suppose we could try to stall everything,
>>> store results so far off to the side on the CPU, and then try to
>>> continue by re-using the already allocated buffer.
>>
>> But if you couldn't end the query due to this failure, how are you going
>> to return correct results anyway?
> 
> We're not going to return correct results, but we tell the application
> about it by signaling GL_OUT_OF_MEMORY.

Ah ok. Please mention that in the commit message it's just done so state
trackers can return an error.

Reviewed-by: Roland Scheidegger <sroland at vmware.com>

> 
>> That's what I don't understand. I
>> don't think the gl error will really help an app much.
>> There's likely more functions which potentially do allocation as a side
>> effect somewhere in the driver, and we don't really care about that
>> neither.
> 
> Quite likely, but IMO that's a bad thing. We should follow the spec
> unless there are _very_ good reasons not to.

I think the problem is that it's literally impossible to tell if a
function is going to trigger allocations in a driver, thus would have to
add that to just about every function.

Roland

> Cheers,
> Nicolai
> 
>>
>> Roland
>>
>>
>>
>>>
>>> But that seems like an awful lot of work + a lot of code that won't
>>> really ever be tested for handling what is an out of memory condition
>>> that will soon lead to failures elsewhere anyway.
>>>
>>> Nicolai
>>>
>>>> I can't
>>>> quite see why informing the state tracker of it really helps.
>>>>
>>>> Roland
>>>>
>>>> Am 20.04.2016 um 17:43 schrieb Nicolai Hähnle:
>>>>> From: Nicolai Hähnle <nicolai.haehnle at amd.com>
>>>>>
>>>>> Even when begin_query succeeds, there can still be failures in query
>>>>> handling.
>>>>> For example for radeon, additional buffers may have to be allocated
>>>>> when
>>>>> queries span multiple command buffers.
>>>>> ---
>>>>>    src/gallium/drivers/ddebug/dd_context.c         | 4 ++--
>>>>>    src/gallium/drivers/freedreno/freedreno_query.c | 3 ++-
>>>>>    src/gallium/drivers/i915/i915_query.c           | 3 ++-
>>>>>    src/gallium/drivers/ilo/ilo_query.c             | 6 ++++--
>>>>>    src/gallium/drivers/llvmpipe/lp_query.c         | 4 +++-
>>>>>    src/gallium/drivers/noop/noop_pipe.c            | 3 ++-
>>>>>    src/gallium/drivers/nouveau/nv30/nv30_query.c   | 3 ++-
>>>>>    src/gallium/drivers/nouveau/nv50/nv50_query.c   | 3 ++-
>>>>>    src/gallium/drivers/nouveau/nvc0/nvc0_query.c   | 3 ++-
>>>>>    src/gallium/drivers/r300/r300_query.c           | 8 +++++---
>>>>>    src/gallium/drivers/radeon/r600_query.c         | 3 ++-
>>>>>    src/gallium/drivers/rbug/rbug_context.c         | 9 ++++++---
>>>>>    src/gallium/drivers/softpipe/sp_query.c         | 3 ++-
>>>>>    src/gallium/drivers/svga/svga_pipe_query.c      | 3 ++-
>>>>>    src/gallium/drivers/swr/swr_query.cpp           | 3 ++-
>>>>>    src/gallium/drivers/trace/tr_context.c          | 6 ++++--
>>>>>    src/gallium/drivers/vc4/vc4_query.c             | 3 ++-
>>>>>    src/gallium/drivers/virgl/virgl_query.c         | 3 ++-
>>>>>    src/gallium/include/pipe/p_context.h            | 2 +-
>>>>>    19 files changed, 49 insertions(+), 26 deletions(-)
>>>>>
>>>>> diff --git a/src/gallium/drivers/ddebug/dd_context.c
>>>>> b/src/gallium/drivers/ddebug/dd_context.c
>>>>> index 72a950a..d06efbc 100644
>>>>> --- a/src/gallium/drivers/ddebug/dd_context.c
>>>>> +++ b/src/gallium/drivers/ddebug/dd_context.c
>>>>> @@ -104,13 +104,13 @@ dd_context_begin_query(struct pipe_context
>>>>> *_pipe, struct pipe_query *query)
>>>>>       return pipe->begin_query(pipe, dd_query_unwrap(query));
>>>>>    }
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    dd_context_end_query(struct pipe_context *_pipe, struct pipe_query
>>>>> *query)
>>>>>    {
>>>>>       struct dd_context *dctx = dd_context(_pipe);
>>>>>       struct pipe_context *pipe = dctx->pipe;
>>>>>
>>>>> -   pipe->end_query(pipe, dd_query_unwrap(query));
>>>>> +   return pipe->end_query(pipe, dd_query_unwrap(query));
>>>>>    }
>>>>>
>>>>>    static boolean
>>>>> diff --git a/src/gallium/drivers/freedreno/freedreno_query.c
>>>>> b/src/gallium/drivers/freedreno/freedreno_query.c
>>>>> index a942705..18e0c79 100644
>>>>> --- a/src/gallium/drivers/freedreno/freedreno_query.c
>>>>> +++ b/src/gallium/drivers/freedreno/freedreno_query.c
>>>>> @@ -66,11 +66,12 @@ fd_begin_query(struct pipe_context *pctx, struct
>>>>> pipe_query *pq)
>>>>>        return q->funcs->begin_query(fd_context(pctx), q);
>>>>>    }
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    fd_end_query(struct pipe_context *pctx, struct pipe_query *pq)
>>>>>    {
>>>>>        struct fd_query *q = fd_query(pq);
>>>>>        q->funcs->end_query(fd_context(pctx), q);
>>>>> +    return true;
>>>>>    }
>>>>>
>>>>>    static boolean
>>>>> diff --git a/src/gallium/drivers/i915/i915_query.c
>>>>> b/src/gallium/drivers/i915/i915_query.c
>>>>> index fa1b01d..d6015a6 100644
>>>>> --- a/src/gallium/drivers/i915/i915_query.c
>>>>> +++ b/src/gallium/drivers/i915/i915_query.c
>>>>> @@ -60,8 +60,9 @@ static boolean i915_begin_query(struct pipe_context
>>>>> *ctx,
>>>>>       return true;
>>>>>    }
>>>>>
>>>>> -static void i915_end_query(struct pipe_context *ctx, struct
>>>>> pipe_query *query)
>>>>> +static bool i915_end_query(struct pipe_context *ctx, struct
>>>>> pipe_query *query)
>>>>>    {
>>>>> +   return true;
>>>>>    }
>>>>>
>>>>>    static boolean i915_get_query_result(struct pipe_context *ctx,
>>>>> diff --git a/src/gallium/drivers/ilo/ilo_query.c
>>>>> b/src/gallium/drivers/ilo/ilo_query.c
>>>>> index 8a42f58..3088c96 100644
>>>>> --- a/src/gallium/drivers/ilo/ilo_query.c
>>>>> +++ b/src/gallium/drivers/ilo/ilo_query.c
>>>>> @@ -128,7 +128,7 @@ ilo_begin_query(struct pipe_context *pipe, struct
>>>>> pipe_query *query)
>>>>>       return true;
>>>>>    }
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    ilo_end_query(struct pipe_context *pipe, struct pipe_query *query)
>>>>>    {
>>>>>       struct ilo_query *q = ilo_query(query);
>>>>> @@ -136,7 +136,7 @@ ilo_end_query(struct pipe_context *pipe, struct
>>>>> pipe_query *query)
>>>>>       if (!q->active) {
>>>>>          /* require ilo_begin_query() first */
>>>>>          if (q->in_pairs)
>>>>> -         return;
>>>>> +         return false;
>>>>>
>>>>>          ilo_begin_query(pipe, query);
>>>>>       }
>>>>> @@ -144,6 +144,8 @@ ilo_end_query(struct pipe_context *pipe, struct
>>>>> pipe_query *query)
>>>>>       q->active = false;
>>>>>
>>>>>       ilo_query_table[q->type].end(ilo_context(pipe), q);
>>>>> +
>>>>> +   return true;
>>>>>    }
>>>>>
>>>>>    /**
>>>>> diff --git a/src/gallium/drivers/llvmpipe/lp_query.c
>>>>> b/src/gallium/drivers/llvmpipe/lp_query.c
>>>>> index 2fddc90..d5ed656 100644
>>>>> --- a/src/gallium/drivers/llvmpipe/lp_query.c
>>>>> +++ b/src/gallium/drivers/llvmpipe/lp_query.c
>>>>> @@ -239,7 +239,7 @@ llvmpipe_begin_query(struct pipe_context *pipe,
>>>>> struct pipe_query *q)
>>>>>    }
>>>>>
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    llvmpipe_end_query(struct pipe_context *pipe, struct pipe_query *q)
>>>>>    {
>>>>>       struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
>>>>> @@ -298,6 +298,8 @@ llvmpipe_end_query(struct pipe_context *pipe,
>>>>> struct pipe_query *q)
>>>>>       default:
>>>>>          break;
>>>>>       }
>>>>> +
>>>>> +   return true;
>>>>>    }
>>>>>
>>>>>    boolean
>>>>> diff --git a/src/gallium/drivers/noop/noop_pipe.c
>>>>> b/src/gallium/drivers/noop/noop_pipe.c
>>>>> index 55aca74..99e5f1a 100644
>>>>> --- a/src/gallium/drivers/noop/noop_pipe.c
>>>>> +++ b/src/gallium/drivers/noop/noop_pipe.c
>>>>> @@ -63,8 +63,9 @@ static boolean noop_begin_query(struct pipe_context
>>>>> *ctx, struct pipe_query *que
>>>>>       return true;
>>>>>    }
>>>>>
>>>>> -static void noop_end_query(struct pipe_context *ctx, struct
>>>>> pipe_query *query)
>>>>> +static bool noop_end_query(struct pipe_context *ctx, struct
>>>>> pipe_query *query)
>>>>>    {
>>>>> +   return true;
>>>>>    }
>>>>>
>>>>>    static boolean noop_get_query_result(struct pipe_context *ctx,
>>>>> diff --git a/src/gallium/drivers/nouveau/nv30/nv30_query.c
>>>>> b/src/gallium/drivers/nouveau/nv30/nv30_query.c
>>>>> index cb53a36..aa9a12f 100644
>>>>> --- a/src/gallium/drivers/nouveau/nv30/nv30_query.c
>>>>> +++ b/src/gallium/drivers/nouveau/nv30/nv30_query.c
>>>>> @@ -175,7 +175,7 @@ nv30_query_begin(struct pipe_context *pipe,
>>>>> struct pipe_query *pq)
>>>>>       return true;
>>>>>    }
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    nv30_query_end(struct pipe_context *pipe, struct pipe_query *pq)
>>>>>    {
>>>>>       struct nv30_context *nv30 = nv30_context(pipe);
>>>>> @@ -194,6 +194,7 @@ nv30_query_end(struct pipe_context *pipe, struct
>>>>> pipe_query *pq)
>>>>>          PUSH_DATA (push, 0);
>>>>>       }
>>>>>       PUSH_KICK (push);
>>>>> +   return true;
>>>>>    }
>>>>>
>>>>>    static boolean
>>>>> diff --git a/src/gallium/drivers/nouveau/nv50/nv50_query.c
>>>>> b/src/gallium/drivers/nouveau/nv50/nv50_query.c
>>>>> index fa70fb6..9a1397a 100644
>>>>> --- a/src/gallium/drivers/nouveau/nv50/nv50_query.c
>>>>> +++ b/src/gallium/drivers/nouveau/nv50/nv50_query.c
>>>>> @@ -54,11 +54,12 @@ nv50_begin_query(struct pipe_context *pipe,
>>>>> struct pipe_query *pq)
>>>>>       return q->funcs->begin_query(nv50_context(pipe), q);
>>>>>    }
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    nv50_end_query(struct pipe_context *pipe, struct pipe_query *pq)
>>>>>    {
>>>>>       struct nv50_query *q = nv50_query(pq);
>>>>>       q->funcs->end_query(nv50_context(pipe), q);
>>>>> +   return true;
>>>>>    }
>>>>>
>>>>>    static boolean
>>>>> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_query.c
>>>>> b/src/gallium/drivers/nouveau/nvc0/nvc0_query.c
>>>>> index b34271c..91fb72f 100644
>>>>> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_query.c
>>>>> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_query.c
>>>>> @@ -58,11 +58,12 @@ nvc0_begin_query(struct pipe_context *pipe,
>>>>> struct pipe_query *pq)
>>>>>       return q->funcs->begin_query(nvc0_context(pipe), q);
>>>>>    }
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    nvc0_end_query(struct pipe_context *pipe, struct pipe_query *pq)
>>>>>    {
>>>>>       struct nvc0_query *q = nvc0_query(pq);
>>>>>       q->funcs->end_query(nvc0_context(pipe), q);
>>>>> +   return true;
>>>>>    }
>>>>>
>>>>>    static boolean
>>>>> diff --git a/src/gallium/drivers/r300/r300_query.c
>>>>> b/src/gallium/drivers/r300/r300_query.c
>>>>> index 7603985..8557eb7 100644
>>>>> --- a/src/gallium/drivers/r300/r300_query.c
>>>>> +++ b/src/gallium/drivers/r300/r300_query.c
>>>>> @@ -110,7 +110,7 @@ void r300_stop_query(struct r300_context *r300)
>>>>>        r300->query_current = NULL;
>>>>>    }
>>>>>
>>>>> -static void r300_end_query(struct pipe_context* pipe,
>>>>> +static bool r300_end_query(struct pipe_context* pipe,
>>>>>                           struct pipe_query* query)
>>>>>    {
>>>>>        struct r300_context* r300 = r300_context(pipe);
>>>>> @@ -120,16 +120,18 @@ static void r300_end_query(struct pipe_context*
>>>>> pipe,
>>>>>            pb_reference(&q->buf, NULL);
>>>>>            r300_flush(pipe, RADEON_FLUSH_ASYNC,
>>>>>                       (struct pipe_fence_handle**)&q->buf);
>>>>> -        return;
>>>>> +        return true;
>>>>>        }
>>>>>
>>>>>        if (q != r300->query_current) {
>>>>>            fprintf(stderr, "r300: end_query: Got invalid query.\n");
>>>>>            assert(0);
>>>>> -        return;
>>>>> +        return false;
>>>>>        }
>>>>>
>>>>>        r300_stop_query(r300);
>>>>> +
>>>>> +    return true;
>>>>>    }
>>>>>
>>>>>    static boolean r300_get_query_result(struct pipe_context* pipe,
>>>>> diff --git a/src/gallium/drivers/radeon/r600_query.c
>>>>> b/src/gallium/drivers/radeon/r600_query.c
>>>>> index de6e37b..813885b 100644
>>>>> --- a/src/gallium/drivers/radeon/r600_query.c
>>>>> +++ b/src/gallium/drivers/radeon/r600_query.c
>>>>> @@ -725,12 +725,13 @@ boolean r600_query_hw_begin(struct
>>>>> r600_common_context *rctx,
>>>>>        return true;
>>>>>    }
>>>>>
>>>>> -static void r600_end_query(struct pipe_context *ctx, struct
>>>>> pipe_query *query)
>>>>> +static bool r600_end_query(struct pipe_context *ctx, struct
>>>>> pipe_query *query)
>>>>>    {
>>>>>        struct r600_common_context *rctx = (struct r600_common_context
>>>>> *)ctx;
>>>>>        struct r600_query *rquery = (struct r600_query *)query;
>>>>>
>>>>>        rquery->ops->end(rctx, rquery);
>>>>> +    return true;
>>>>>    }
>>>>>
>>>>>    void r600_query_hw_end(struct r600_common_context *rctx,
>>>>> diff --git a/src/gallium/drivers/rbug/rbug_context.c
>>>>> b/src/gallium/drivers/rbug/rbug_context.c
>>>>> index 1280c45..38dee74 100644
>>>>> --- a/src/gallium/drivers/rbug/rbug_context.c
>>>>> +++ b/src/gallium/drivers/rbug/rbug_context.c
>>>>> @@ -178,17 +178,20 @@ rbug_begin_query(struct pipe_context *_pipe,
>>>>>       return ret;
>>>>>    }
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    rbug_end_query(struct pipe_context *_pipe,
>>>>>                   struct pipe_query *query)
>>>>>    {
>>>>>       struct rbug_context *rb_pipe = rbug_context(_pipe);
>>>>>       struct pipe_context *pipe = rb_pipe->pipe;
>>>>> +   bool ret;
>>>>>
>>>>>       pipe_mutex_lock(rb_pipe->call_mutex);
>>>>> -   pipe->end_query(pipe,
>>>>> -                   query);
>>>>> +   ret = pipe->end_query(pipe,
>>>>> +                         query);
>>>>>       pipe_mutex_unlock(rb_pipe->call_mutex);
>>>>> +
>>>>> +   return ret;
>>>>>    }
>>>>>
>>>>>    static boolean
>>>>> diff --git a/src/gallium/drivers/softpipe/sp_query.c
>>>>> b/src/gallium/drivers/softpipe/sp_query.c
>>>>> index 81e9710..bec0116 100644
>>>>> --- a/src/gallium/drivers/softpipe/sp_query.c
>>>>> +++ b/src/gallium/drivers/softpipe/sp_query.c
>>>>> @@ -134,7 +134,7 @@ softpipe_begin_query(struct pipe_context *pipe,
>>>>> struct pipe_query *q)
>>>>>    }
>>>>>
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    softpipe_end_query(struct pipe_context *pipe, struct pipe_query *q)
>>>>>    {
>>>>>       struct softpipe_context *softpipe = softpipe_context( pipe );
>>>>> @@ -201,6 +201,7 @@ softpipe_end_query(struct pipe_context *pipe,
>>>>> struct pipe_query *q)
>>>>>          break;
>>>>>       }
>>>>>       softpipe->dirty |= SP_NEW_QUERY;
>>>>> +   return true;
>>>>>    }
>>>>>
>>>>>
>>>>> diff --git a/src/gallium/drivers/svga/svga_pipe_query.c
>>>>> b/src/gallium/drivers/svga/svga_pipe_query.c
>>>>> index 75bc9ce..05b756a 100644
>>>>> --- a/src/gallium/drivers/svga/svga_pipe_query.c
>>>>> +++ b/src/gallium/drivers/svga/svga_pipe_query.c
>>>>> @@ -945,7 +945,7 @@ svga_begin_query(struct pipe_context *pipe,
>>>>> struct pipe_query *q)
>>>>>    }
>>>>>
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    svga_end_query(struct pipe_context *pipe, struct pipe_query *q)
>>>>>    {
>>>>>       struct svga_context *svga = svga_context(pipe);
>>>>> @@ -1057,6 +1057,7 @@ svga_end_query(struct pipe_context *pipe,
>>>>> struct pipe_query *q)
>>>>>          assert(!"unexpected query type in svga_end_query()");
>>>>>       }
>>>>>       svga->sq[sq->type] = NULL;
>>>>> +   return true;
>>>>>    }
>>>>>
>>>>>
>>>>> diff --git a/src/gallium/drivers/swr/swr_query.cpp
>>>>> b/src/gallium/drivers/swr/swr_query.cpp
>>>>> index e4b8b68..ff4d9b3 100644
>>>>> --- a/src/gallium/drivers/swr/swr_query.cpp
>>>>> +++ b/src/gallium/drivers/swr/swr_query.cpp
>>>>> @@ -281,7 +281,7 @@ swr_begin_query(struct pipe_context *pipe, struct
>>>>> pipe_query *q)
>>>>>       return true;
>>>>>    }
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    swr_end_query(struct pipe_context *pipe, struct pipe_query *q)
>>>>>    {
>>>>>       struct swr_context *ctx = swr_context(pipe);
>>>>> @@ -295,6 +295,7 @@ swr_end_query(struct pipe_context *pipe, struct
>>>>> pipe_query *q)
>>>>>       pq->result = &pq->end;
>>>>>       pq->enable_stats = FALSE;
>>>>>       swr_gather_stats(pipe, pq);
>>>>> +   return true;
>>>>>    }
>>>>>
>>>>>
>>>>> diff --git a/src/gallium/drivers/trace/tr_context.c
>>>>> b/src/gallium/drivers/trace/tr_context.c
>>>>> index b575f2c..7ed4f49 100644
>>>>> --- a/src/gallium/drivers/trace/tr_context.c
>>>>> +++ b/src/gallium/drivers/trace/tr_context.c
>>>>> @@ -218,12 +218,13 @@ trace_context_begin_query(struct pipe_context
>>>>> *_pipe,
>>>>>    }
>>>>>
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    trace_context_end_query(struct pipe_context *_pipe,
>>>>>                            struct pipe_query *query)
>>>>>    {
>>>>>       struct trace_context *tr_ctx = trace_context(_pipe);
>>>>>       struct pipe_context *pipe = tr_ctx->pipe;
>>>>> +   bool ret;
>>>>>
>>>>>       query = trace_query_unwrap(query);
>>>>>
>>>>> @@ -232,9 +233,10 @@ trace_context_end_query(struct pipe_context
>>>>> *_pipe,
>>>>>       trace_dump_arg(ptr, pipe);
>>>>>       trace_dump_arg(ptr, query);
>>>>>
>>>>> -   pipe->end_query(pipe, query);
>>>>> +   ret = pipe->end_query(pipe, query);
>>>>>
>>>>>       trace_dump_call_end();
>>>>> +   return ret;
>>>>>    }
>>>>>
>>>>>
>>>>> diff --git a/src/gallium/drivers/vc4/vc4_query.c
>>>>> b/src/gallium/drivers/vc4/vc4_query.c
>>>>> index 17400a3..ddf8f8f 100644
>>>>> --- a/src/gallium/drivers/vc4/vc4_query.c
>>>>> +++ b/src/gallium/drivers/vc4/vc4_query.c
>>>>> @@ -56,9 +56,10 @@ vc4_begin_query(struct pipe_context *ctx, struct
>>>>> pipe_query *query)
>>>>>            return true;
>>>>>    }
>>>>>
>>>>> -static void
>>>>> +static bool
>>>>>    vc4_end_query(struct pipe_context *ctx, struct pipe_query *query)
>>>>>    {
>>>>> +        return true;
>>>>>    }
>>>>>
>>>>>    static boolean
>>>>> diff --git a/src/gallium/drivers/virgl/virgl_query.c
>>>>> b/src/gallium/drivers/virgl/virgl_query.c
>>>>> index 5173bd3..4ddb925 100644
>>>>> --- a/src/gallium/drivers/virgl/virgl_query.c
>>>>> +++ b/src/gallium/drivers/virgl/virgl_query.c
>>>>> @@ -107,7 +107,7 @@ static boolean virgl_begin_query(struct
>>>>> pipe_context *ctx,
>>>>>       return true;
>>>>>    }
>>>>>
>>>>> -static void virgl_end_query(struct pipe_context *ctx,
>>>>> +static bool virgl_end_query(struct pipe_context *ctx,
>>>>>                               struct pipe_query *q)
>>>>>    {
>>>>>       struct virgl_context *vctx = virgl_context(ctx);
>>>>> @@ -121,6 +121,7 @@ static void virgl_end_query(struct pipe_context
>>>>> *ctx,
>>>>>
>>>>>
>>>>>       virgl_encoder_end_query(vctx, query->handle);
>>>>> +   return true;
>>>>>    }
>>>>>
>>>>>    static boolean virgl_get_query_result(struct pipe_context *ctx,
>>>>> diff --git a/src/gallium/include/pipe/p_context.h
>>>>> b/src/gallium/include/pipe/p_context.h
>>>>> index 82efaf5..9d7a8eb 100644
>>>>> --- a/src/gallium/include/pipe/p_context.h
>>>>> +++ b/src/gallium/include/pipe/p_context.h
>>>>> @@ -140,7 +140,7 @@ struct pipe_context {
>>>>>                             struct pipe_query *q);
>>>>>
>>>>>       boolean (*begin_query)(struct pipe_context *pipe, struct
>>>>> pipe_query *q);
>>>>> -   void (*end_query)(struct pipe_context *pipe, struct pipe_query
>>>>> *q);
>>>>> +   bool (*end_query)(struct pipe_context *pipe, struct pipe_query
>>>>> *q);
>>>>>
>>>>>       /**
>>>>>        * Get results of a query.
>>>>>
>>>>
>>



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