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-rw-r--r--src/gallium/drivers/nouveau/nv30/nv30_draw.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/src/gallium/drivers/nouveau/nv30/nv30_draw.c b/src/gallium/drivers/nouveau/nv30/nv30_draw.c
index b0557b0d082..7ae1a1bd1d4 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_draw.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_draw.c
@@ -71,12 +71,12 @@ nv30_render_allocate_vertices(struct vbuf_render *render,
struct nv30_render *r = nv30_render(render);
struct nv30_context *nv30 = r->nv30;
- r->length = vertex_size * nr_vertices;
+ r->length = (uint32_t)vertex_size * (uint32_t)nr_vertices;
if (r->offset + r->length >= render->max_vertex_buffer_bytes) {
pipe_resource_reference(&r->buffer, NULL);
r->buffer = pipe_buffer_create(&nv30->screen->base.base,
- PIPE_BIND_VERTEX_BUFFER, 0,
+ PIPE_BIND_VERTEX_BUFFER, PIPE_USAGE_STREAM,
render->max_vertex_buffer_bytes);
if (!r->buffer)
return FALSE;
@@ -91,10 +91,14 @@ static void *
nv30_render_map_vertices(struct vbuf_render *render)
{
struct nv30_render *r = nv30_render(render);
- char *map = pipe_buffer_map(&r->nv30->base.pipe, r->buffer,
- PIPE_TRANSFER_WRITE |
- PIPE_TRANSFER_UNSYNCHRONIZED, &r->transfer);
- return map + r->offset;
+ char *map = pipe_buffer_map_range(
+ &r->nv30->base.pipe, r->buffer,
+ r->offset, r->length,
+ PIPE_TRANSFER_WRITE |
+ PIPE_TRANSFER_DISCARD_RANGE,
+ &r->transfer);
+ assert(map);
+ return map;
}
static void