mirror of https://gitlab.freedesktop.org/mesa/mesa
123 lines
4.1 KiB
C++
123 lines
4.1 KiB
C++
/*
|
||
* Copyright © Microsoft Corporation
|
||
*
|
||
* Permission is hereby granted, free of charge, to any person obtaining a
|
||
* copy of this software and associated documentation files (the "Software"),
|
||
* to deal in the Software without restriction, including without limitation
|
||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||
* and/or sell copies of the Software, and to permit persons to whom the
|
||
* Software is furnished to do so, subject to the following conditions:
|
||
*
|
||
* The above copyright notice and this permission notice (including the next
|
||
* paragraph) shall be included in all copies or substantial portions of the
|
||
* Software.
|
||
*
|
||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
||
* IN THE SOFTWARE.
|
||
*/
|
||
|
||
#include "d3d12_cmd_signature.h"
|
||
#include "d3d12_compiler.h"
|
||
#include "d3d12_screen.h"
|
||
|
||
#include "util/u_memory.h"
|
||
|
||
#include <dxguids/dxguids.h>
|
||
|
||
struct d3d12_cmd_signature {
|
||
struct d3d12_cmd_signature_key key;
|
||
ID3D12CommandSignature *sig;
|
||
};
|
||
|
||
static ID3D12CommandSignature *
|
||
create_cmd_signature(struct d3d12_context *ctx, const struct d3d12_cmd_signature_key *key)
|
||
{
|
||
D3D12_COMMAND_SIGNATURE_DESC cmd_sig_desc = {};
|
||
D3D12_INDIRECT_ARGUMENT_DESC indirect_args[2] = {};
|
||
|
||
unsigned num_args = 0;
|
||
if (key->draw_or_dispatch_params) {
|
||
indirect_args[num_args].Type = D3D12_INDIRECT_ARGUMENT_TYPE_CONSTANT;
|
||
indirect_args[num_args].Constant.RootParameterIndex = key->params_root_const_param;
|
||
indirect_args[num_args].Constant.DestOffsetIn32BitValues = key->params_root_const_offset;
|
||
indirect_args[num_args++].Constant.Num32BitValuesToSet = key->compute ? 3 : 4;
|
||
}
|
||
|
||
indirect_args[num_args++].Type = key->compute ? D3D12_INDIRECT_ARGUMENT_TYPE_DISPATCH :
|
||
key->indexed ? D3D12_INDIRECT_ARGUMENT_TYPE_DRAW_INDEXED :
|
||
D3D12_INDIRECT_ARGUMENT_TYPE_DRAW;
|
||
cmd_sig_desc.ByteStride = key->multi_draw_stride;
|
||
cmd_sig_desc.NumArgumentDescs = num_args;
|
||
cmd_sig_desc.pArgumentDescs = indirect_args;
|
||
|
||
ID3D12CommandSignature *ret = nullptr;
|
||
d3d12_screen(ctx->base.screen)->dev->CreateCommandSignature(&cmd_sig_desc, key->root_sig,
|
||
IID_PPV_ARGS(&ret));
|
||
return ret;
|
||
}
|
||
|
||
ID3D12CommandSignature *
|
||
d3d12_get_cmd_signature(struct d3d12_context *ctx,
|
||
const struct d3d12_cmd_signature_key *key)
|
||
{
|
||
struct hash_entry *entry = _mesa_hash_table_search(ctx->cmd_signature_cache, &key);
|
||
|
||
if (!entry) {
|
||
struct d3d12_cmd_signature *data =
|
||
(struct d3d12_cmd_signature *)MALLOC(sizeof(struct d3d12_cmd_signature));
|
||
if (!data)
|
||
return NULL;
|
||
|
||
memcpy(&data->key, key, sizeof(*key));
|
||
data->sig = create_cmd_signature(ctx, key);
|
||
if (!data->sig) {
|
||
FREE(data);
|
||
return NULL;
|
||
}
|
||
|
||
entry = _mesa_hash_table_insert(ctx->cmd_signature_cache, &data->key, data);
|
||
assert(entry);
|
||
}
|
||
|
||
return ((struct d3d12_cmd_signature *)entry->data)->sig;
|
||
}
|
||
|
||
static uint32_t
|
||
hash_cmd_signature_key(const void *key)
|
||
{
|
||
return _mesa_hash_data(key, sizeof(struct d3d12_cmd_signature_key));
|
||
}
|
||
|
||
static bool
|
||
equals_cmd_signature_key(const void *a, const void *b)
|
||
{
|
||
return memcmp(a, b, sizeof(struct d3d12_cmd_signature_key)) == 0;
|
||
}
|
||
|
||
void
|
||
d3d12_cmd_signature_cache_init(struct d3d12_context *ctx)
|
||
{
|
||
ctx->cmd_signature_cache = _mesa_hash_table_create(NULL,
|
||
hash_cmd_signature_key,
|
||
equals_cmd_signature_key);
|
||
}
|
||
|
||
static void
|
||
delete_entry(struct hash_entry *entry)
|
||
{
|
||
struct d3d12_cmd_signature *data = (struct d3d12_cmd_signature *)entry->data;
|
||
data->sig->Release();
|
||
FREE(data);
|
||
}
|
||
|
||
void
|
||
d3d12_cmd_signature_cache_destroy(struct d3d12_context *ctx)
|
||
{
|
||
_mesa_hash_table_destroy(ctx->cmd_signature_cache, delete_entry);
|
||
}
|