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nv30/draw: allocate vertex buffers in gart 

These are only used once per draw, so it makes sense to keep them in
GART. Also take this opportunity to modernize the buffer mapping API
usage.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Cc: "10.5 10.6" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Ilia Mirkin 2015-05-25 21:14:13 -04:00
parent fdad7dfbda
commit c3d36a2e1a
1 changed files with 10 additions and 6 deletions
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16
src/gallium/drivers/nouveau/nv30/nv30_draw.c
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@ -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