From: Ilia Mirkin Date: Thu, 28 Nov 2013 21:23:15 +0000 (-0500) Subject: nv50: wait on the buf's fence before sticking it into pushbuf X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0e5bf8565106833e1a678ebdae81fdf1657391c9;p=mesa.git nv50: wait on the buf's fence before sticking it into pushbuf This resolves some rendering issues in source games. See https://bugs.freedesktop.org/show_bug.cgi?id=64323 Signed-off-by: Ilia Mirkin Cc: "9.2 10.0" --- diff --git a/src/gallium/drivers/nouveau/nouveau_buffer.c b/src/gallium/drivers/nouveau/nouveau_buffer.c index 3e0404983fe..95905a8776f 100644 --- a/src/gallium/drivers/nouveau/nouveau_buffer.c +++ b/src/gallium/drivers/nouveau/nouveau_buffer.c @@ -205,6 +205,9 @@ nouveau_transfer_write(struct nouveau_context *nv, struct nouveau_transfer *tx, base, size / 4, (const uint32_t *)data); else nv->push_data(nv, buf->bo, buf->offset + base, buf->domain, size, data); + + nouveau_fence_ref(nv->screen->fence.current, &buf->fence); + nouveau_fence_ref(nv->screen->fence.current, &buf->fence_wr); } diff --git a/src/gallium/drivers/nouveau/nv50/nv50_vbo.c b/src/gallium/drivers/nouveau/nv50/nv50_vbo.c index c6162b5f415..947c67d6a75 100644 --- a/src/gallium/drivers/nouveau/nv50/nv50_vbo.c +++ b/src/gallium/drivers/nouveau/nv50/nv50_vbo.c @@ -597,6 +597,15 @@ nv50_draw_elements(struct nv50_context *nv50, boolean shorten, assert(nouveau_resource_mapped_by_gpu(nv50->idxbuf.buffer)); + /* This shouldn't have to be here. The going theory is that the buffer + * is being filled in by PGRAPH, and it's not done yet by the time it + * gets submitted to PFIFO, which in turn starts immediately prefetching + * the not-yet-written data. Ideally this wait would only happen on + * pushbuf submit, but it's probably not a big performance difference. + */ + if (buf->fence_wr && !nouveau_fence_signalled(buf->fence_wr)) + nouveau_fence_wait(buf->fence_wr); + while (instance_count--) { BEGIN_NV04(push, NV50_3D(VERTEX_BEGIN_GL), 1); PUSH_DATA (push, prim);