r600: implement resource_get_info

Factoring code with resource_get_handle.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110443
Signed-off-by: Julien Isorce <jisorce@oblong.com>
Reviewed-by: Dave Airlie airlied@redhat.com

1 files changed, 29 insertions, 5 deletions

diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index 71606df38d9..27565e0aa0c 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -442,6 +442,32 @@ static void r600_reallocate_texture_inplace(struct r600_common_context *rctx,
 	p_atomic_inc(&rctx->screen->dirty_tex_counter);
 }
 
+static void r600_texture_get_info(struct pipe_screen* screen,
+				  struct pipe_resource *resource,
+				  unsigned *pstride,
+				  unsigned *poffset)
+{
+	struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
+	struct r600_texture *rtex = (struct r600_texture*)resource;
+	unsigned stride = 0;
+	unsigned offset = 0;
+
+	if (!rscreen || !rtex)
+		return;
+
+	if (resource->target != PIPE_BUFFER) {
+		offset = rtex->surface.u.legacy.level[0].offset;
+		stride = rtex->surface.u.legacy.level[0].nblk_x *
+			 rtex->surface.bpe;
+	}
+
+	if (pstride)
+		*pstride = stride;
+
+	if (poffset)
+		*poffset = offset;
+}
+
 static boolean r600_texture_get_handle(struct pipe_screen* screen,
 				       struct pipe_context *ctx,
 				       struct pipe_resource *resource,
@@ -500,9 +526,6 @@ static boolean r600_texture_get_handle(struct pipe_screen* screen,
 			rscreen->ws->buffer_set_metadata(res->buf, &metadata);
 		}
 
-		offset = rtex->surface.u.legacy.level[0].offset;
-		stride = rtex->surface.u.legacy.level[0].nblk_x *
-			rtex->surface.bpe;
 		slice_size = (uint64_t)rtex->surface.u.legacy.level[0].slice_size_dw * 4;
 	} else {
 		/* Move a suballocated buffer into a non-suballocated allocation. */
@@ -532,11 +555,11 @@ static boolean r600_texture_get_handle(struct pipe_screen* screen,
 		}
 
 		/* Buffers */
-		offset = 0;
-		stride = 0;
 		slice_size = 0;
 	}
 
+	r600_texture_get_info(screen, resource, &stride, &offset);
+
 	if (res->b.is_shared) {
 		/* USAGE_EXPLICIT_FLUSH must be cleared if at least one user
 		 * doesn't set it.
@@ -1957,6 +1980,7 @@ void r600_init_screen_texture_functions(struct r600_common_screen *rscreen)
 {
 	rscreen->b.resource_from_handle = r600_texture_from_handle;
 	rscreen->b.resource_get_handle = r600_texture_get_handle;
+	rscreen->b.resource_get_info = r600_texture_get_info;
 	rscreen->b.resource_from_memobj = r600_texture_from_memobj;
 	rscreen->b.memobj_create_from_handle = r600_memobj_from_handle;
 	rscreen->b.memobj_destroy = r600_memobj_destroy;