--- /dev/null
+/*
+ * 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"
+
+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_arg = {};
+ indirect_arg.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 = 1;
+ cmd_sig_desc.pArgumentDescs = &indirect_arg;
+
+ ID3D12CommandSignature *ret = nullptr;
+ d3d12_screen(ctx->base.screen)->dev->CreateCommandSignature(&cmd_sig_desc, nullptr,
+ IID_PPV_ARGS(&ret));
+ return ret;
+}
+
+ID3D12CommandSignature *
+d3d12_get_gfx_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);
+}
--- /dev/null
+/*
+ * 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.
+ */
+
+#ifndef D3D12_CMD_SIGNATURE_H
+#define D3D12_CMD_SIGNATURE_H
+
+#include "d3d12_context.h"
+
+struct d3d12_cmd_signature_key {
+ uint8_t compute:1;
+ uint8_t indexed:1;
+ /* 30 bits padding */
+
+ unsigned multi_draw_stride;
+};
+
+void
+d3d12_cmd_signature_cache_init(struct d3d12_context *ctx);
+
+void
+d3d12_cmd_signature_cache_destroy(struct d3d12_context *ctx);
+
+ID3D12CommandSignature *
+d3d12_get_gfx_cmd_signature(struct d3d12_context *ctx,
+ const struct d3d12_cmd_signature_key *key);
+
+#endif
projects / platform / upstream / mesa.git / commitdiff