void cso_set_vertex_buffers(struct cso_context *ctx,
unsigned start_slot, unsigned count,
const struct pipe_vertex_buffer *buffers)
{
struct u_vbuf *vbuf = ctx->vbuf;
if (vbuf) {
u_vbuf_set_vertex_buffers(vbuf, start_slot, count, buffers);
return;
}
/* Save what's in the auxiliary slot, so that we can save and restore it
* for meta ops. */
if (start_slot <= ctx->aux_vertex_buffer_index &&
start_slot+count > ctx->aux_vertex_buffer_index) {
if (buffers) {
const struct pipe_vertex_buffer *vb =
buffers + (ctx->aux_vertex_buffer_index - start_slot);
pipe_resource_reference(&ctx->aux_vertex_buffer_current.buffer,
vb->buffer);
memcpy(&ctx->aux_vertex_buffer_current, vb,
sizeof(struct pipe_vertex_buffer));
}
else {
pipe_resource_reference(&ctx->aux_vertex_buffer_current.buffer,
NULL);
ctx->aux_vertex_buffer_current.user_buffer = NULL;
}
}
ctx->pipe->set_vertex_buffers(ctx->pipe, start_slot, count, buffers);
}
void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
const struct pipe_vertex_buffer *buffers)
{
struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
int i;
/* Zero states. */
for (i = 0; i < count; i++) {
if (!buffers[i].buffer) {
if (rctx->chip_class >= EVERGREEN) {
evergreen_context_pipe_state_set_fs_resource(&rctx->ctx, NULL, i);
} else {
r600_context_pipe_state_set_fs_resource(&rctx->ctx, NULL, i);
}
}
}
for (; i < rctx->vbuf_mgr->nr_real_vertex_buffers; i++) {
if (rctx->chip_class >= EVERGREEN) {
evergreen_context_pipe_state_set_fs_resource(&rctx->ctx, NULL, i);
} else {
r600_context_pipe_state_set_fs_resource(&rctx->ctx, NULL, i);
}
}
u_vbuf_set_vertex_buffers(rctx->vbuf_mgr, count, buffers);
}
void u_vbuf_restore_vertex_buffers(struct u_vbuf *mgr)
{
unsigned i;
u_vbuf_set_vertex_buffers(mgr, mgr->nr_vertex_buffers_saved,
mgr->vertex_buffer_saved);
for (i = 0; i < mgr->nr_vertex_buffers_saved; i++) {
pipe_resource_reference(&mgr->vertex_buffer_saved[i].buffer, NULL);
}
mgr->nr_vertex_buffers_saved = 0;
}
void cso_set_vertex_buffers(struct cso_context *ctx,
unsigned count,
const struct pipe_vertex_buffer *buffers)
{
struct u_vbuf *vbuf = ctx->vbuf;
if (vbuf) {
u_vbuf_set_vertex_buffers(vbuf, count, buffers);
return;
}
if (count != ctx->nr_vertex_buffers ||
memcmp(buffers, ctx->vertex_buffers,
sizeof(struct pipe_vertex_buffer) * count) != 0) {
util_copy_vertex_buffers(ctx->vertex_buffers, &ctx->nr_vertex_buffers,
buffers, count);
ctx->pipe->set_vertex_buffers(ctx->pipe, count, buffers);
}
}
void u_vbuf_restore_aux_vertex_buffer_slot(struct u_vbuf *mgr)
{
u_vbuf_set_vertex_buffers(mgr, mgr->aux_vertex_buffer_slot, 1,
&mgr->aux_vertex_buffer_saved);
pipe_resource_reference(&mgr->aux_vertex_buffer_saved.buffer, NULL);
}