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nv30/draw: allocate vertex buffers in gart

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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>
(cherry picked from commit c3d36a2e1a)
This commit is contained in:
Ilia Mirkin 2015-05-25 21:14:13 -04:00 • committed by Emil Velikov
parent 18e05588df
commit c288bf3b89
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