Mesa (master): nv50: use nouveau_bo for query buffers

[Ben Skeggs]

Module: Mesa
Branch: master
Commit: a471497345bcd3aaaa52d3dc73f68367cb4af6a0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a471497345bcd3aaaa52d3dc73f68367cb4af6a0

Author: Ben Skeggs <bskeggs at redhat.com>
Date:   Fri Jun  5 20:45:58 2009 +1000

nv50: use nouveau_bo for query buffers

---

 src/gallium/drivers/nv50/nv50_query.c |   25 ++++++++++++-------------
 1 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/src/gallium/drivers/nv50/nv50_query.c b/src/gallium/drivers/nv50/nv50_query.c
index f575401..940e043 100644
--- a/src/gallium/drivers/nv50/nv50_query.c
+++ b/src/gallium/drivers/nv50/nv50_query.c
@@ -26,7 +26,7 @@
 #include "nv50_context.h"
 
 struct nv50_query {
-	struct pipe_buffer *buffer;
+	struct nouveau_bo *bo;
 	unsigned type;
 	boolean ready;
 	uint64_t result;
@@ -41,14 +41,16 @@ nv50_query(struct pipe_query *pipe)
 static struct pipe_query *
 nv50_query_create(struct pipe_context *pipe, unsigned type)
 {
-	struct pipe_screen *screen = pipe->screen;
+	struct nouveau_device *dev = nouveau_screen(pipe->screen)->device;
 	struct nv50_query *q = CALLOC_STRUCT(nv50_query);
+	int ret;
 
 	assert (q->type == PIPE_QUERY_OCCLUSION_COUNTER);
 	q->type = type;
 
-	q->buffer = screen->buffer_create(screen, 256, 0, 16);
-	if (!q->buffer) {
+	ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM | NOUVEAU_BO_MAP, 256,
+			     16, &q->bo);
+	if (ret) {
 		FREE(q);
 		return NULL;
 	}
@@ -62,7 +64,7 @@ nv50_query_destroy(struct pipe_context *pipe, struct pipe_query *pq)
 	struct nv50_query *q = nv50_query(pq);
 
 	if (q) {
-		pipe_buffer_reference(&q->buffer, NULL);
+		nouveau_bo_ref(NULL, &q->bo);
 		FREE(q);
 	}
 }
@@ -90,12 +92,11 @@ nv50_query_end(struct pipe_context *pipe, struct pipe_query *pq)
 	struct nouveau_channel *chan = nv50->screen->base.channel;
 	struct nouveau_grobj *tesla = nv50->screen->tesla;
 	struct nv50_query *q = nv50_query(pq);
-	struct nouveau_bo *bo = nouveau_bo(q->buffer);
 
 	WAIT_RING (chan, 5);
 	BEGIN_RING(chan, tesla, 0x1b00, 4);
-	OUT_RELOCh(chan, bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-	OUT_RELOCl(chan, bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
+	OUT_RELOCh(chan, q->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
+	OUT_RELOCl(chan, q->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 	OUT_RING  (chan, 0x00000000);
 	OUT_RING  (chan, 0x0100f002);
 	FIRE_RING (chan);
@@ -105,7 +106,6 @@ static boolean
 nv50_query_result(struct pipe_context *pipe, struct pipe_query *pq,
 		  boolean wait, uint64_t *result)
 {
-	struct pipe_screen *pscreen = pipe->screen;
 	struct nv50_query *q = nv50_query(pq);
 
 	/*XXX: Want to be able to return FALSE here instead of blocking
@@ -113,11 +113,10 @@ nv50_query_result(struct pipe_context *pipe, struct pipe_query *pq,
 	 */
 
 	if (!q->ready) {
-		uint32_t *map = pipe_buffer_map(pscreen, q->buffer,
-						PIPE_BUFFER_USAGE_CPU_READ);
-		q->result = map[1];
+		nouveau_bo_map(q->bo, NOUVEAU_BO_RD);
+		q->result = ((uint32_t *)q->bo->map)[1];
 		q->ready = TRUE;
-		pipe_buffer_unmap(pscreen, q->buffer);
+		nouveau_bo_unmap(q->bo);
 	}
 
 	*result = q->result;