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Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_query.c')
-rw-r--r--src/mesa/drivers/dri/nouveau/nouveau_query.c198
1 files changed, 198 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_query.c b/src/mesa/drivers/dri/nouveau/nouveau_query.c
new file mode 100644
index 0000000000..de3f5b0378
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nouveau_query.c
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2007 Ben Skeggs.
+ *
+ * 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, sublicense, 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 NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
+ *
+ */
+
+/* GL_ARB_occlusion_query support for NV20/30/40 */
+
+#include "mtypes.h"
+
+#include "nouveau_fifo.h"
+#include "nouveau_msg.h"
+#include "nouveau_object.h"
+#include "nouveau_reg.h"
+#include "nouveau_sync.h"
+#include "nouveau_query.h"
+
+static struct gl_query_object *
+nouveauNewQueryObject(GLcontext *ctx, GLuint id)
+{
+ nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+ nouveau_query_object *nq;
+ int i;
+
+ for (i=0; i<nmesa->query_object_max; i++)
+ if (nmesa->query_alloc[i] == GL_FALSE)
+ break;
+ if (i==nmesa->query_object_max)
+ return NULL;
+
+ nq = CALLOC_STRUCT(nouveau_query_object_t);
+ if (nq) {
+ nq->notifier_id = i;
+
+ nq->mesa.Id = id;
+ nq->mesa.Result = 0;
+ nq->mesa.Active = GL_FALSE;
+ nq->mesa.Ready = GL_TRUE;
+ }
+
+ return (struct gl_query_object *)nq;
+}
+
+static void
+nouveauBeginQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
+{
+ nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+ nouveau_query_object *nq = (nouveau_query_object *)q;
+
+ nouveau_notifier_reset(nmesa->queryNotifier, nq->notifier_id);
+
+ switch (nmesa->screen->card->type) {
+ case NV_20:
+ BEGIN_RING_CACHE(NvSub3D, 0x17c8, 1);
+ OUT_RING_CACHE (1);
+ BEGIN_RING_CACHE(NvSub3D, 0x17cc, 1);
+ OUT_RING_CACHE (1);
+ break;
+ case NV_30:
+ case NV_40:
+ case NV_44:
+ /* I don't think this is OCC_QUERY enable, but it *is* needed to make
+ * the SET_OBJECT7 notifier block work with STORE_RESULT.
+ *
+ * Also, this appears to reset the pixel pass counter */
+ BEGIN_RING_SIZE(NvSub3D,
+ NV30_TCL_PRIMITIVE_3D_OCC_QUERY_OR_COLOR_BUFF_ENABLE,
+ 1);
+ OUT_RING (1);
+ /* Probably OCC_QUERY_ENABLE */
+ BEGIN_RING_CACHE(NvSub3D, 0x17cc, 1);
+ OUT_RING_CACHE (1);
+ break;
+ default:
+ WARN_ONCE("no support for this card\n");
+ break;
+ }
+}
+
+static void
+nouveauUpdateQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
+{
+ nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+ nouveau_query_object *nq = (nouveau_query_object *)q;
+ int status;
+
+ status = nouveau_notifier_status(nmesa->queryNotifier,
+ nq->notifier_id);
+
+ q->Ready = (status == NV_NOTIFY_STATE_STATUS_COMPLETED);
+ if (q->Ready)
+ q->Result = nouveau_notifier_return_val(nmesa->queryNotifier,
+ nq->notifier_id);
+}
+
+static void
+nouveauWaitQueryResult(GLcontext *ctx, GLenum target, struct gl_query_object *q)
+{
+ nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+ nouveau_query_object *nq = (nouveau_query_object *)q;
+
+ nouveau_notifier_wait_status(nmesa->queryNotifier, nq->notifier_id,
+ NV_NOTIFY_STATE_STATUS_COMPLETED, 0);
+ nouveauUpdateQuery(ctx, target, q);
+}
+
+static void
+nouveauEndQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
+{
+ nouveau_query_object *nq = (nouveau_query_object *)q;
+ nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+
+ switch (nmesa->screen->card->type) {
+ case NV_20:
+ BEGIN_RING_SIZE(NvSub3D, 0x17d0, 1);
+ OUT_RING (0x01000000 | nq->notifier_id*32);
+ break;
+ case NV_30:
+ case NV_40:
+ case NV_44:
+ BEGIN_RING_SIZE(NvSub3D, NV30_TCL_PRIMITIVE_3D_STORE_RESULT, 1);
+ OUT_RING (0x01000000 | nq->notifier_id*32);
+ break;
+ default:
+ WARN_ONCE("no support for this card\n");
+ break;
+ }
+ FIRE_RING();
+
+ /*XXX: wait for query to complete, mesa doesn't give the driver
+ * an interface to query the status of a query object so
+ * this has to stall the channel.
+ */
+ nouveauWaitQueryResult(ctx, target, q);
+
+ BEGIN_RING_CACHE(NvSub3D, 0x17cc, 1);
+ OUT_RING_CACHE (0);
+}
+
+void
+nouveauQueryInitFuncs(GLcontext *ctx)
+{
+ nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+
+ if (nmesa->screen->card->type < NV_20)
+ return;
+
+ nmesa->query_object_max = (0x4000 / 32);
+ nmesa->queryNotifier =
+ nouveau_notifier_new(ctx, NvQueryNotify,
+ nmesa->query_object_max);
+ nmesa->query_alloc = calloc(nmesa->query_object_max, sizeof(GLboolean));
+
+ switch (nmesa->screen->card->type) {
+ case NV_20:
+ BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_SET_OBJECT8, 1);
+ OUT_RING_CACHE (NvQueryNotify);
+ break;
+ case NV_30:
+ case NV_40:
+ case NV_44:
+ BEGIN_RING_CACHE(NvSub3D, NV30_TCL_PRIMITIVE_3D_SET_OBJECT7, 1);
+ OUT_RING_CACHE (NvQueryNotify);
+ break;
+ default:
+ break;
+ };
+
+ ctx->Driver.NewQueryObject = nouveauNewQueryObject;
+ ctx->Driver.BeginQuery = nouveauBeginQuery;
+ ctx->Driver.EndQuery = nouveauEndQuery;
+#if 0
+ ctx->Driver.UpdateQuery = nouveauUpdateQuery;
+ ctx->Driver.WaitQueryResult = nouveauWaitQueryResult;
+#endif
+}
+