static void
nvc0_compute_validate_constbufs(struct nvc0_context *nvc0)
{
struct nouveau_pushbuf *push = nvc0->base.pushbuf;
const int s = 5;
while (nvc0->constbuf_dirty[s]) {
int i = ffs(nvc0->constbuf_dirty[s]) - 1;
nvc0->constbuf_dirty[s] &= ~(1 << i);
if (nvc0->constbuf[s][i].user) {
struct nouveau_bo *bo = nvc0->screen->uniform_bo;
const unsigned base = NVC0_CB_USR_INFO(s);
const unsigned size = nvc0->constbuf[s][0].size;
assert(i == 0); /* we really only want OpenGL uniforms here */
assert(nvc0->constbuf[s][0].u.data);
if (nvc0->state.uniform_buffer_bound[s] < size) {
nvc0->state.uniform_buffer_bound[s] = align(size, 0x100);
BEGIN_NVC0(push, NVC0_CP(CB_SIZE), 3);
PUSH_DATA (push, nvc0->state.uniform_buffer_bound[s]);
PUSH_DATAh(push, bo->offset + base);
PUSH_DATA (push, bo->offset + base);
BEGIN_NVC0(push, NVC0_CP(CB_BIND), 1);
PUSH_DATA (push, (0 << 8) | 1);
}
nvc0_cb_bo_push(&nvc0->base, bo, NV_VRAM_DOMAIN(&nvc0->screen->base),
base, nvc0->state.uniform_buffer_bound[s],
0, (size + 3) / 4,
nvc0->constbuf[s][0].u.data);
} else {
struct nv04_resource *res =
nv04_resource(nvc0->constbuf[s][i].u.buf);
if (res) {
BEGIN_NVC0(push, NVC0_CP(CB_SIZE), 3);
PUSH_DATA (push, nvc0->constbuf[s][i].size);
PUSH_DATAh(push, res->address + nvc0->constbuf[s][i].offset);
PUSH_DATA (push, res->address + nvc0->constbuf[s][i].offset);
BEGIN_NVC0(push, NVC0_CP(CB_BIND), 1);
PUSH_DATA (push, (i << 8) | 1);
BCTX_REFN(nvc0->bufctx_cp, CP_CB(i), res, RD);
res->cb_bindings[s] |= 1 << i;
} else {
BEGIN_NVC0(push, NVC0_CP(CB_BIND), 1);
PUSH_DATA (push, (i << 8) | 0);
}
if (i == 0)
nvc0->state.uniform_buffer_bound[s] = 0;
}
}
nvc0_compute_invalidate_constbufs(nvc0);
BEGIN_NVC0(push, NVC0_CP(FLUSH), 1);
PUSH_DATA (push, NVC0_COMPUTE_FLUSH_CB);
}
/* This happens rather often with DTD9/st. */
static void
nvc0_cb_push(struct nouveau_context *nv,
struct nv04_resource *res,
unsigned offset, unsigned words, const uint32_t *data)
{
struct nvc0_context *nvc0 = nvc0_context(&nv->pipe);
struct nvc0_constbuf *cb = NULL;
int s;
/* Go through all the constbuf binding points of this buffer and try to
* find one which contains the region to be updated.
*/
for (s = 0; s < 6 && !cb; s++) {
uint16_t bindings = res->cb_bindings[s];
while (bindings) {
int i = ffs(bindings) - 1;
uint32_t cb_offset = nvc0->constbuf[s][i].offset;
bindings &= ~(1 << i);
if (cb_offset <= offset &&
cb_offset + nvc0->constbuf[s][i].size >= offset + words * 4) {
cb = &nvc0->constbuf[s][i];
break;
}
}
}
if (cb) {
nvc0_cb_bo_push(nv, res->bo, res->domain,
res->offset + cb->offset, cb->size,
offset - cb->offset, words, data);
} else {
nv->push_data(nv, res->bo, res->offset + offset, res->domain,
words * 4, data);
}
}
