struct pipe_resource *
r600_buffer_from_user_memory(struct pipe_screen *screen,
const struct pipe_resource *templ,
void *user_memory)
{
struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
struct radeon_winsys *ws = rscreen->ws;
struct r600_resource *rbuffer = r600_alloc_buffer_struct(screen, templ);
rbuffer->domains = RADEON_DOMAIN_GTT;
util_range_add(&rbuffer->valid_buffer_range, 0, templ->width0);
/* Convert a user pointer to a buffer. */
rbuffer->buf = ws->buffer_from_ptr(ws, user_memory, templ->width0);
if (!rbuffer->buf) {
FREE(rbuffer);
return NULL;
}
if (rscreen->info.has_virtual_memory)
rbuffer->gpu_address =
ws->buffer_get_virtual_address(rbuffer->buf);
else
rbuffer->gpu_address = 0;
return &rbuffer->b.b;
}
struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
const struct pipe_resource *templ,
unsigned alignment)
{
struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
struct r600_resource *rbuffer = r600_alloc_buffer_struct(screen, templ);
if (!r600_init_resource(rscreen, rbuffer, templ->width0, alignment, TRUE)) {
FREE(rbuffer);
return NULL;
}
return &rbuffer->b.b;
}
struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
const struct pipe_resource *templ,
unsigned alignment)
{
struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
struct r600_resource *rbuffer = r600_alloc_buffer_struct(screen, templ);
r600_init_resource_fields(rscreen, rbuffer, templ->width0, alignment);
if (templ->bind & PIPE_BIND_SHARED)
rbuffer->flags |= RADEON_FLAG_HANDLE;
if (!r600_alloc_resource(rscreen, rbuffer)) {
FREE(rbuffer);
return NULL;
}
return &rbuffer->b.b;
}
