| /* |
| * 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_DESCRIPTOR_POOL_H |
| #define D3D12_DESCRIPTOR_POOL_H |
| |
| #include "d3d12_common.h" |
| |
| struct d3d12_descriptor_pool; |
| struct d3d12_descriptor_heap; |
| |
| struct d3d12_descriptor_handle { |
| D3D12_CPU_DESCRIPTOR_HANDLE cpu_handle; |
| D3D12_GPU_DESCRIPTOR_HANDLE gpu_handle; |
| struct d3d12_descriptor_heap *heap; |
| }; |
| |
| inline bool |
| d3d12_descriptor_handle_is_allocated(struct d3d12_descriptor_handle *handle) |
| { |
| return (handle->heap != NULL); |
| } |
| |
| void |
| d3d12_descriptor_handle_free(struct d3d12_descriptor_handle *handle); |
| |
| /* Offline Descriptor Pool */ |
| |
| struct d3d12_descriptor_pool* |
| d3d12_descriptor_pool_new(struct d3d12_screen *screen, |
| D3D12_DESCRIPTOR_HEAP_TYPE type, |
| uint32_t num_descriptors); |
| |
| void |
| d3d12_descriptor_pool_free(struct d3d12_descriptor_pool *pool); |
| |
| uint32_t |
| d3d12_descriptor_pool_alloc_handle(struct d3d12_descriptor_pool *pool, |
| struct d3d12_descriptor_handle *handle); |
| |
| |
| /* Online/Offline Descriptor Heaps */ |
| |
| struct d3d12_descriptor_heap* |
| d3d12_descriptor_heap_new(ID3D12Device *device, |
| D3D12_DESCRIPTOR_HEAP_TYPE type, |
| D3D12_DESCRIPTOR_HEAP_FLAGS flags, |
| uint32_t num_descriptors); |
| |
| void |
| d3d12_descriptor_heap_free(struct d3d12_descriptor_heap *heap); |
| |
| ID3D12DescriptorHeap* |
| d3d12_descriptor_heap_get(struct d3d12_descriptor_heap *heap); |
| |
| void |
| d2d12_descriptor_heap_get_next_handle(struct d3d12_descriptor_heap *heap, |
| struct d3d12_descriptor_handle *handle); |
| |
| uint32_t |
| d3d12_descriptor_heap_get_remaining_handles(struct d3d12_descriptor_heap *heap); |
| |
| uint32_t |
| d3d12_descriptor_heap_alloc_handle(struct d3d12_descriptor_heap *heap, |
| struct d3d12_descriptor_handle *handle); |
| |
| void |
| d3d12_descriptor_heap_append_handles(struct d3d12_descriptor_heap *heap, |
| D3D12_CPU_DESCRIPTOR_HANDLE *handles, |
| unsigned num_handles); |
| |
| void |
| d3d12_descriptor_heap_clear(struct d3d12_descriptor_heap *heap); |
| |
| #endif |