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#include "pipe/p_context.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
#include "nouveau_screen.h"
#include "nv50/nv50_resource.h"
static struct pipe_resource *
nv50_resource_create(struct pipe_screen *screen,
const struct pipe_resource *templ)
{
switch (templ->target) {
case PIPE_BUFFER:
return nouveau_buffer_create(screen, templ);
default:
return nv50_miptree_create(screen, templ);
}
}
static struct pipe_resource *
nv50_resource_from_handle(struct pipe_screen * screen,
const struct pipe_resource *templ,
struct winsys_handle *whandle)
{
if (templ->target == PIPE_BUFFER)
return NULL;
else
return nv50_miptree_from_handle(screen, templ, whandle);
}
struct pipe_surface *
nv50_surface_from_buffer(struct pipe_context *pipe,
struct pipe_resource *pbuf,
const struct pipe_surface *templ)
{
struct nv50_surface *sf = CALLOC_STRUCT(nv50_surface);
if (!sf)
return NULL;
pipe_reference_init(&sf->base.reference, 1);
pipe_resource_reference(&sf->base.texture, pbuf);
sf->base.format = templ->format;
sf->base.writable = templ->writable;
sf->base.u.buf.first_element = templ->u.buf.first_element;
sf->base.u.buf.last_element = templ->u.buf.last_element;
sf->offset =
templ->u.buf.first_element * util_format_get_blocksize(sf->base.format);
sf->offset &= ~0x7f; /* FIXME: RT_ADDRESS requires 128 byte alignment */
sf->width = templ->u.buf.last_element - templ->u.buf.first_element + 1;
sf->height = 1;
sf->depth = 1;
sf->base.width = sf->width;
sf->base.height = sf->height;
sf->base.context = pipe;
return &sf->base;
}
static struct pipe_surface *
nv50_surface_create(struct pipe_context *pipe,
struct pipe_resource *pres,
const struct pipe_surface *templ)
{
/* surfaces are assumed to be miptrees all over the place. */
assert(pres->target != PIPE_BUFFER);
if (unlikely(pres->target == PIPE_BUFFER))
return nv50_surface_from_buffer(pipe, pres, templ);
return nv50_miptree_surface_new(pipe, pres, templ);
}
void
nv50_surface_destroy(struct pipe_context *pipe, struct pipe_surface *ps)
{
struct nv50_surface *s = nv50_surface(ps);
pipe_resource_reference(&ps->texture, NULL);
FREE(s);
}
void
nv50_init_resource_functions(struct pipe_context *pcontext)
{
pcontext->transfer_map = u_transfer_map_vtbl;
pcontext->transfer_flush_region = u_transfer_flush_region_vtbl;
pcontext->transfer_unmap = u_transfer_unmap_vtbl;
pcontext->transfer_inline_write = u_transfer_inline_write_vtbl;
pcontext->create_surface = nv50_surface_create;
pcontext->surface_destroy = nv50_surface_destroy;
}
void
nv50_screen_init_resource_functions(struct pipe_screen *pscreen)
{
pscreen->resource_create = nv50_resource_create;
pscreen->resource_from_handle = nv50_resource_from_handle;
pscreen->resource_get_handle = u_resource_get_handle_vtbl;
pscreen->resource_destroy = u_resource_destroy_vtbl;
}
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