st_cb_queryobj.c File Reference

Include dependency graph for st_cb_queryobj.c:

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Data Structures
struct	st_query_object
	glBegin/EndQuery interface to pipe More...
Functions
static struct st_query_object *	st_query_object (struct gl_query_object *q)
	Cast wrapper.
static struct gl_query_object *	st_NewQueryObject (GLcontext *ctx, GLuint id)
static void	st_DeleteQuery (GLcontext *ctx, struct gl_query_object *q)
static void	st_BeginQuery (GLcontext *ctx, struct gl_query_object *q)
static void	st_EndQuery (GLcontext *ctx, struct gl_query_object *q)
static void	st_WaitQuery (GLcontext *ctx, struct gl_query_object *q)
static void	st_CheckQuery (GLcontext *ctx, struct gl_query_object *q)
void	st_init_query_functions (struct dd_function_table *functions)

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Function Documentation

static void st_BeginQuery	(	GLcontext *	ctx,
		struct gl_query_object *	q
	)			[static]

Definition at line 95 of file st_cb_queryobj.c.

References assert, pipe_context::begin_query, pipe_context::create_query, PIPE_QUERY_OCCLUSION_COUNTER, st_query_object::pq, and st_query_object().

{
   struct pipe_context *pipe = ctx->st->pipe;
   struct st_query_object *stq = st_query_object(q);

   switch (q->Target) {
   case GL_SAMPLES_PASSED_ARB:
      if (!stq->pq)
         stq->pq = pipe->create_query( pipe, PIPE_QUERY_OCCLUSION_COUNTER );
      break;
   default:
      assert(0);
      return;
   }

   pipe->begin_query(pipe, stq->pq);
}

static void st_CheckQuery	(	GLcontext *	ctx,
		struct gl_query_object *	q
	)			[static]

Definition at line 147 of file st_cb_queryobj.c.

References FALSE, pipe_context::get_query_result, st_query_object::pq, and st_query_object().

{
   struct pipe_context *pipe = ctx->st->pipe;
   struct st_query_object *stq = st_query_object(q);

   if (!q->Ready) {
      q->Ready = pipe->get_query_result(pipe, 
                                        stq->pq,
                                        FALSE,
                                        &q->Result);
   }
}

static void st_DeleteQuery	(	GLcontext *	ctx,
		struct gl_query_object *	q
	)			[static]

Definition at line 80 of file st_cb_queryobj.c.

References pipe_context::destroy_query, FREE, st_query_object::pq, and st_query_object().

{
   struct pipe_context *pipe = ctx->st->pipe;
   struct st_query_object *stq = st_query_object(q);

   if (stq->pq) {
      pipe->destroy_query(pipe, stq->pq);
      stq->pq = NULL;
   }

   FREE(stq);
}

static void st_EndQuery	(	GLcontext *	ctx,
		struct gl_query_object *	q
	)			[static]

Definition at line 115 of file st_cb_queryobj.c.

References pipe_context::end_query, st_query_object::pq, and st_query_object().

{
   struct pipe_context *pipe = ctx->st->pipe;
   struct st_query_object *stq = st_query_object(q);

   pipe->end_query(pipe, stq->pq);
}

void st_init_query_functions

(

struct dd_function_table *

functions

)

Definition at line 163 of file st_cb_queryobj.c.

References st_BeginQuery(), st_CheckQuery(), st_DeleteQuery(), st_EndQuery(), st_NewQueryObject(), and st_WaitQuery().

{
   functions->NewQueryObject = st_NewQueryObject;
   functions->DeleteQuery = st_DeleteQuery;
   functions->BeginQuery = st_BeginQuery;
   functions->EndQuery = st_EndQuery;
   functions->WaitQuery = st_WaitQuery;
   functions->CheckQuery = st_CheckQuery;
}

static struct gl_query_object* st_NewQueryObject	(	GLcontext *	ctx,
		GLuint	id
	)			[static, read]

Definition at line 65 of file st_cb_queryobj.c.

References st_query_object::base, CALLOC_STRUCT, and st_query_object::pq.

{
   struct st_query_object *stq = CALLOC_STRUCT(st_query_object);
   if (stq) {
      stq->base.Id = id;
      stq->base.Ready = GL_TRUE;
      stq->pq = NULL;
      return &stq->base;
   }
   return NULL;
}

static struct st_query_object* st_query_object

(

struct gl_query_object *

q

)

[static, read]

Cast wrapper.

Definition at line 58 of file st_cb_queryobj.c.

{
   return (struct st_query_object *) q;
}

static void st_WaitQuery	(	GLcontext *	ctx,
		struct gl_query_object *	q
	)			[static]

Definition at line 125 of file st_cb_queryobj.c.

References assert, st_query_object::base, pipe_context::get_query_result, st_query_object::pq, st_query_object(), and TRUE.

{
   struct pipe_context *pipe = ctx->st->pipe;
   struct st_query_object *stq = st_query_object(q);

   /* this function should only be called if we don't have a ready result */
   assert(!stq->base.Ready);

   while (!stq->base.Ready &&
          !pipe->get_query_result(pipe, 
                                  stq->pq,
                                  TRUE,
                                  &q->Result))
   {
      /* nothing */
   }
                            
   q->Ready = GL_TRUE;
}

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