diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_queryobj.c')
| -rw-r--r-- | mesalib/src/mesa/state_tracker/st_cb_queryobj.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_queryobj.c b/mesalib/src/mesa/state_tracker/st_cb_queryobj.c new file mode 100644 index 000000000..c589d7568 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_queryobj.c @@ -0,0 +1,176 @@ +/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+/**
+ * glBegin/EndQuery interface to pipe
+ *
+ * \author Brian Paul
+ */
+
+
+#include "main/imports.h"
+#include "main/context.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "st_context.h"
+#include "st_cb_queryobj.h"
+
+
+#if FEATURE_queryobj
+
+static struct gl_query_object *
+st_NewQueryObject(struct gl_context *ctx, GLuint id)
+{
+ struct st_query_object *stq = ST_CALLOC_STRUCT(st_query_object);
+ if (stq) {
+ stq->base.Id = id;
+ stq->base.Ready = GL_TRUE;
+ stq->pq = NULL;
+ stq->type = PIPE_QUERY_TYPES; /* an invalid value */
+ return &stq->base;
+ }
+ return NULL;
+}
+
+
+
+static void
+st_DeleteQuery(struct gl_context *ctx, struct gl_query_object *q)
+{
+ struct pipe_context *pipe = st_context(ctx)->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_BeginQuery(struct gl_context *ctx, struct gl_query_object *q)
+{
+ struct pipe_context *pipe = st_context(ctx)->pipe;
+ struct st_query_object *stq = st_query_object(q);
+ unsigned type;
+
+ /* convert GL query type to Gallium query type */
+ switch (q->Target) {
+ case GL_SAMPLES_PASSED_ARB:
+ type = PIPE_QUERY_OCCLUSION_COUNTER;
+ break;
+ case GL_PRIMITIVES_GENERATED:
+ type = PIPE_QUERY_PRIMITIVES_GENERATED;
+ break;
+ case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
+ type = PIPE_QUERY_PRIMITIVES_EMITTED;
+ break;
+ case GL_TIME_ELAPSED_EXT:
+ type = PIPE_QUERY_TIME_ELAPSED;
+ break;
+ default:
+ assert(0 && "unexpected query target in st_BeginQuery()");
+ return;
+ }
+
+ if (stq->pq && stq->type != type) {
+ /* free old query of different type */
+ pipe->destroy_query(pipe, stq->pq);
+ stq->pq = NULL;
+ stq->type = PIPE_QUERY_TYPES; /* an invalid value */
+ }
+
+ if (!stq->pq) {
+ stq->pq = pipe->create_query(pipe, type);
+ stq->type = type;
+ }
+
+ assert(stq->type == type);
+
+ pipe->begin_query(pipe, stq->pq);
+}
+
+
+static void
+st_EndQuery(struct gl_context *ctx, struct gl_query_object *q)
+{
+ struct pipe_context *pipe = st_context(ctx)->pipe;
+ struct st_query_object *stq = st_query_object(q);
+
+ pipe->end_query(pipe, stq->pq);
+}
+
+
+static void
+st_WaitQuery(struct gl_context *ctx, struct gl_query_object *q)
+{
+ struct pipe_context *pipe = st_context(ctx)->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;
+}
+
+
+static void
+st_CheckQuery(struct gl_context *ctx, struct gl_query_object *q)
+{
+ struct pipe_context *pipe = st_context(ctx)->pipe;
+ struct st_query_object *stq = st_query_object(q);
+ assert(!q->Ready); /* we should not get called if Ready is TRUE */
+ q->Ready = pipe->get_query_result(pipe, stq->pq, FALSE, &q->Result);
+}
+
+
+
+
+void st_init_query_functions(struct dd_function_table *functions)
+{
+ functions->NewQueryObject = st_NewQueryObject;
+ functions->DeleteQuery = st_DeleteQuery;
+ functions->BeginQuery = st_BeginQuery;
+ functions->EndQuery = st_EndQuery;
+ functions->WaitQuery = st_WaitQuery;
+ functions->CheckQuery = st_CheckQuery;
+}
+
+#endif /* FEATURE_queryobj */
|