572 lines
16 KiB
C
572 lines
16 KiB
C
#if DX12_TEST
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#include "gpu.h"
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#include "sys.h"
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#include "arena.h"
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#include "memory.h"
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#include "string.h"
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#include "scratch.h"
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#include "app.h"
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#pragma warning(push, 0)
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# define UNICODE
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# define COBJMACROS
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# include <Windows.h>
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# include <d3d12.h>
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# include <dxgidebug.h>
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# include <dxgi1_6.h>
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# include <combaseapi.h>
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#pragma warning(pop)
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#pragma comment(lib, "d3d12")
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#pragma comment(lib, "dxgi")
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#pragma comment(lib, "dxguid")
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//#define DX12_WAIT_FRAME_LATENCY 1
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//#define DX12_ALLOW_TEARING 1
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#define DX12_SWAPCHAIN_BUFFER_COUNT (3)
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#define DX12_SWAPCHAIN_FLAGS ((DX12_ALLOW_TEARING * DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING) | (DX12_WAIT_FRAME_LATENCY * DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT))
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#define DX12_SWAPCHAIN_FORMAT (DXGI_FORMAT_R8G8B8A8_UNORM)
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//#define DX12_SWAPCHAIN_RTV_FORMAT (DXGI_FORMAT_R8G8B8A8_UNORM_SRGB)
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#if RTC
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# define DX12_DEBUG 1
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# define DX12_SHADER_DEBUG 1
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#else
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# define DX12_DEBUG 0
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# define DX12_SHADER_DEBUG 0
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#endif
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enum dx12_handle_kind {
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DX12_HANDLE_KIND_NONE,
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DX12_HANDLE_KIND_TEXTURE,
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NUM_DX12_HANDLE_KINDS
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};
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struct dx12_handle_entry {
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enum dx12_handle_kind kind;
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u64 gen;
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u64 idx;
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void *data;
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struct dx12_handle_entry *next_free;
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};
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struct dx12_texture {
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i32 _;
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};
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/* ========================== *
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* Global state
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* ========================== */
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GLOBAL struct {
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/* Handles pool */
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struct sys_mutex handle_entries_mutex;
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struct arena handle_entries_arena;
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struct dx12_handle_entry *first_free_handle_entry;
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u64 num_handle_entries_reserved;
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/* Device */
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ID3D12Device *device;
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/* Desc sizes */
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u32 desc_size_rtv;
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/* Command queues */
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ID3D12CommandQueue *cq_direct;
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ID3D12CommandQueue *cq_compute;
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/* Swapchain */
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u32 swapchain_frame_index;
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ID3D12CommandAllocator *swapchain_ca;
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IDXGISwapChain3 *swapchain;
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ID3D12DescriptorHeap *swapchain_rtv_heap;
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ID3D12Resource *swapchain_rtvs[DX12_SWAPCHAIN_BUFFER_COUNT];
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} G = ZI, DEBUG_ALIAS(G, G_gpu_dx12);
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/* ========================== *
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* Startup
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* ========================== */
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INTERNAL APP_EXIT_CALLBACK_FUNC_DEF(gpu_shutdown);
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INTERNAL void dx12_init_base(struct sys_window *window);
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INTERNAL void dx12_init_shaders(void);
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struct gpu_startup_receipt gpu_startup(struct sys_window *window)
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{
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/* Initialize handles pool */
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G.handle_entries_mutex = sys_mutex_alloc();
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G.handle_entries_arena = arena_alloc(GIGABYTE(64));
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/* Initialize dx12 */
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dx12_init_base(window);
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dx12_init_shaders();
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/* Register callbacks */
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app_register_exit_callback(gpu_shutdown);
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struct gpu_startup_receipt res = ZI;
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return res;
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}
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INTERNAL APP_EXIT_CALLBACK_FUNC_DEF(gpu_shutdown)
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{
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#if DX12_DEBUG
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/* Release objects to make live object reporting less noisy */
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for (u64 i = 0; i < ARRAY_COUNT(G.swapchain_rtvs); ++i) {
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ID3D12Resource_Release(G.swapchain_rtvs[i]);
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}
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ID3D12DescriptorHeap_Release(G.swapchain_rtv_heap);
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ID3D12CommandQueue_Release(G.swapchain_ca);
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ID3D12CommandQueue_Release(G.cq_direct);
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ID3D12CommandQueue_Release(G.cq_compute);
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IDXGISwapChain3_Release(G.swapchain);
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ID3D12Device_Release(G.device);
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#endif
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}
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/* ========================== *
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* Dx12 base initialization
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* ========================== */
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INTERNAL void dx12_init_error(struct string error)
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{
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struct temp_arena scratch = scratch_begin_no_conflict();
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struct string msg = string_format(scratch.arena, LIT("Failed to initialize DirectX 12.\n\n%F"), FMT_STR(error));
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sys_panic(msg);
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scratch_end(scratch);
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}
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INTERNAL void dx12_init_base(struct sys_window *window)
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{
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__prof;
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struct temp_arena scratch = scratch_begin_no_conflict();
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HRESULT hr = 0;
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/* Enable debug layer */
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u32 dxgi_factory_flags = 0;
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#if DX12_DEBUG
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{
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ID3D12Debug *debug_controller0 = NULL;
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hr = D3D12GetDebugInterface(&IID_ID3D12Debug, (void **)&debug_controller0);
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if (FAILED(hr)) {
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dx12_init_error(LIT("Failed to create ID3D12Debug0"));
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}
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ID3D12Debug1 *debug_controller1 = NULL;
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hr = ID3D12Debug_QueryInterface(debug_controller0, &IID_ID3D12Debug1, (void **)&debug_controller1);
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if (FAILED(hr)) {
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dx12_init_error(LIT("Failed to create ID3D12Debug1"));
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}
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ID3D12Debug_EnableDebugLayer(debug_controller0);
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/* FIXME: Enable this */
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//ID3D12Debug1_SetEnableGPUBasedValidation(debug_controller1, true);
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ID3D12Debug_Release(debug_controller1);
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ID3D12Debug_Release(debug_controller0);
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dxgi_factory_flags |= DXGI_CREATE_FACTORY_DEBUG;
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}
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#endif
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/* Create factory */
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IDXGIFactory6 *factory = NULL;
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hr = CreateDXGIFactory2(dxgi_factory_flags, &IID_IDXGIFactory6, (void **)&factory);
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if (FAILED(hr)) {
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dx12_init_error(LIT("Failed to initialize DXGI factory"));
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}
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/* Create device */
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ID3D12Device *device = NULL;
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{
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struct string error = LIT("Could not initialize GPU device.");
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struct string first_gpu_name = ZI;
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u32 adapter_index = 0;
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while (true) {
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IDXGIAdapter1 *adapter = NULL;
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hr = IDXGIFactory6_EnumAdapterByGpuPreference(factory, adapter_index, DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE, &IID_IDXGIAdapter1, (void **)&adapter);
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if (SUCCEEDED(hr)) {
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DXGI_ADAPTER_DESC1 desc;
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IDXGIAdapter1_GetDesc1(adapter, &desc);
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if (!(desc.Flags & DXGI_ADAPTER_FLAG_SOFTWARE)) {
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if (first_gpu_name.len == 0) {
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first_gpu_name = string_from_wstr_no_limit(scratch.arena, desc.Description);
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}
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hr = D3D12CreateDevice((IUnknown *)adapter, D3D_FEATURE_LEVEL_12_0, &IID_ID3D12Device, (void **)&device);
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if (SUCCEEDED(hr)) {
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IDXGIAdapter1_Release(adapter);
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adapter = NULL;
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break;
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}
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}
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ID3D12Device_Release(device);
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IDXGIAdapter1_Release(adapter);
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adapter = NULL;
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device = NULL;
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++adapter_index;
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} else {
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break;
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}
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}
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if (!device) {
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if (first_gpu_name.len > 0) {
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struct string fmt = LIT("Could not initialize device '%F' with D3D_FEATURE_LEVEL_12_0. Ensure that the device is capable and drivers are up to date.");
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error = string_format(scratch.arena, fmt, FMT_STR(first_gpu_name));
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}
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dx12_init_error(error);
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}
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}
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/* Get desc sizes */
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u32 desc_size_rtv = ID3D12Device_GetDescriptorHandleIncrementSize(device, D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
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#if DX12_DEBUG
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/* Enable D3D12 Debug break */
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{
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ID3D12InfoQueue *info = NULL;
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hr = ID3D12Device_QueryInterface(device, &IID_ID3D12InfoQueue, (void **)&info);
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if (FAILED(hr)) {
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dx12_init_error(LIT("Failed to query ID3D12Device interface"));
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}
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ID3D12InfoQueue_SetBreakOnSeverity(info, D3D12_MESSAGE_SEVERITY_CORRUPTION, TRUE);
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ID3D12InfoQueue_SetBreakOnSeverity(info, D3D12_MESSAGE_SEVERITY_ERROR, TRUE);
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ID3D12InfoQueue_Release(info);
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}
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/* Enable DXGI Debug break */
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{
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IDXGIInfoQueue *dxgi_info = NULL;
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hr = DXGIGetDebugInterface1(0, &IID_IDXGIInfoQueue, (void **)&dxgi_info);
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if (FAILED(hr)) {
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dx12_init_error(LIT("Failed to get DXGI debug interface"));
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}
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IDXGIInfoQueue_SetBreakOnSeverity(dxgi_info, DXGI_DEBUG_ALL, DXGI_INFO_QUEUE_MESSAGE_SEVERITY_CORRUPTION, TRUE);
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IDXGIInfoQueue_SetBreakOnSeverity(dxgi_info, DXGI_DEBUG_ALL, DXGI_INFO_QUEUE_MESSAGE_SEVERITY_ERROR, TRUE);
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IDXGIInfoQueue_Release(dxgi_info);
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}
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#endif
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/* Create direct command queue */
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ID3D12CommandQueue *cq_direct = NULL;
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{
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D3D12_COMMAND_QUEUE_DESC desc = ZI;
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desc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
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desc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
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hr = ID3D12Device_CreateCommandQueue(device, &desc, &IID_ID3D12CommandQueue, (void **)&cq_direct);
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if (FAILED(hr)) {
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dx12_init_error(LIT("Failed to create direct command queue"));
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}
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}
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/* Create compute command queue */
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ID3D12CommandQueue *cq_compute = NULL;
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{
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D3D12_COMMAND_QUEUE_DESC desc = ZI;
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desc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
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desc.Type = D3D12_COMMAND_LIST_TYPE_COMPUTE;
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hr = ID3D12Device_CreateCommandQueue(device, &desc, &IID_ID3D12CommandQueue, (void **)&cq_compute);
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if (FAILED(hr)) {
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dx12_init_error(LIT("Failed to create compute command queue"));
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}
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}
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/* Create swapchain command allocator */
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ID3D12CommandAllocator *swapchain_ca = NULL;
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{
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hr = ID3D12Device_CreateCommandAllocator(device, D3D12_COMMAND_LIST_TYPE_DIRECT, &IID_ID3D12CommandAllocator, (void **)&swapchain_ca);
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if (FAILED(hr)) {
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dx12_init_error(LIT("Failed to create swapchain command allocator"));
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}
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}
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/* Create swapchain */
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IDXGISwapChain3 *swapchain = NULL;
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u32 swapchain_frame_index = 0;
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{
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HWND hwnd = (HWND)sys_window_get_internal_handle(window);
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DXGI_SWAP_CHAIN_DESC1 desc = {
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.Format = DX12_SWAPCHAIN_FORMAT,
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.SampleDesc = { 1, 0 },
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.BufferUsage = DXGI_USAGE_SHADER_INPUT | DXGI_USAGE_RENDER_TARGET_OUTPUT,
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.BufferCount = DX12_SWAPCHAIN_BUFFER_COUNT,
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.Scaling = DXGI_SCALING_NONE,
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.Flags = DX12_SWAPCHAIN_FLAGS,
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.AlphaMode = DXGI_ALPHA_MODE_IGNORE,
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.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD
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};
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/* Create swapchain1 */
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IDXGISwapChain1 *swapchain1 = NULL;
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hr = IDXGIFactory2_CreateSwapChainForHwnd(factory, (IUnknown *)cq_direct, hwnd, &desc, NULL, NULL, &swapchain1);
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if (FAILED(hr)) {
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dx12_init_error(LIT("Failed to create IDXGISwapChain1"));
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}
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/* Upgrade to swapchain3 */
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hr = IDXGISwapChain1_QueryInterface(swapchain1, &IID_IDXGISwapChain3, (void **)&swapchain);
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if (FAILED(hr)) {
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dx12_init_error(LIT("Failed to create IDXGISwapChain3"));
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}
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/* Disable Alt+Enter changing monitor resolution to match window size */
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IDXGIFactory_MakeWindowAssociation(factory, hwnd, DXGI_MWA_NO_ALT_ENTER);
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/* Get initial frame index */
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swapchain_frame_index = IDXGISwapChain3_GetCurrentBackBufferIndex(swapchain);
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IDXGISwapChain1_Release(swapchain1);
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}
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/* Create swapchain RTV heap */
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ID3D12DescriptorHeap *swapchain_rtv_heap = NULL;
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{
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D3D12_DESCRIPTOR_HEAP_DESC desc = ZI;
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desc.NumDescriptors = DX12_SWAPCHAIN_BUFFER_COUNT;
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desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
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desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
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hr = ID3D12Device_CreateDescriptorHeap(device, &desc, &IID_ID3D12DescriptorHeap, (void **)&swapchain_rtv_heap);
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if (FAILED(hr)) {
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dx12_init_error(LIT("Failed to create swapchain RTV heap"));
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}
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}
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/* Create swacphain RTVs */
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ID3D12Resource *swapchain_rtvs[DX12_SWAPCHAIN_BUFFER_COUNT] = ZI;
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{
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D3D12_CPU_DESCRIPTOR_HANDLE rtv_handle = ZI;
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ID3D12DescriptorHeap_GetCPUDescriptorHandleForHeapStart(swapchain_rtv_heap, &rtv_handle);
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for (u32 i = 0; i < DX12_SWAPCHAIN_BUFFER_COUNT; ++i) {
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hr = IDXGISwapChain3_GetBuffer(swapchain, i, &IID_ID3D12Resource, (void **)&swapchain_rtvs[i]);
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if (FAILED(hr)) {
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dx12_init_error(LIT("Failed to create swapchain RTV"));
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}
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ID3D12Device_CreateRenderTargetView(device, swapchain_rtvs[i], NULL, rtv_handle);
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rtv_handle.ptr += desc_size_rtv;
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}
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}
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G.device = device;
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G.desc_size_rtv = desc_size_rtv;
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G.swapchain_frame_index = swapchain_frame_index;
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G.cq_direct = cq_direct;
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G.cq_compute = cq_compute;
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G.swapchain_ca = swapchain_ca;
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G.swapchain = swapchain;
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G.swapchain_rtv_heap = swapchain_rtv_heap;
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MEMCPY(&G.swapchain_rtvs, swapchain_rtvs, sizeof(G.swapchain_rtvs));
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IDXGIFactory6_Release(factory);
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scratch_end(scratch);
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}
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/* ========================== *
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* Dx12 shader initialization
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* ========================== */
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INTERNAL void dx12_init_shaders(void)
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{
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}
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/* ========================== *
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* Handle
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* ========================== */
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INTERNAL void dx12_texture_release(struct dx12_texture *t);
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INTERNAL struct gpu_handle handle_alloc(enum dx12_handle_kind kind, void *data)
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{
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u64 old_gen = 0;
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u64 idx = 0;
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struct dx12_handle_entry *entry = NULL;
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{
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struct sys_lock lock = sys_mutex_lock_e(&G.handle_entries_mutex);
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if (G.first_free_handle_entry) {
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entry = G.first_free_handle_entry;
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G.first_free_handle_entry = entry->next_free;
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old_gen = entry->gen;
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idx = entry->idx;
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} else {
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entry = arena_push_no_zero(&G.handle_entries_arena, struct dx12_handle_entry);
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idx = G.num_handle_entries_reserved++;
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}
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sys_mutex_unlock(&lock);
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}
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MEMZERO_STRUCT(entry);
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entry->kind = kind;
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entry->gen = old_gen + 1;
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entry->idx = idx;
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entry->data = data;
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struct gpu_handle res = ZI;
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res.gen = entry->gen;
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res.idx = entry->idx;
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return res;
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}
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INTERNAL struct dx12_handle_entry *handle_get_entry(struct gpu_handle handle, struct sys_lock *lock)
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{
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sys_assert_locked_e_or_s(lock, &G.handle_entries_mutex);
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struct dx12_handle_entry *res = NULL;
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if (handle.idx > 0 && handle.idx < G.num_handle_entries_reserved) {
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struct dx12_handle_entry *tmp = &((struct dx12_handle_entry *)G.handle_entries_arena.base)[handle.idx];
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if (tmp->gen == handle.gen) {
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res = tmp;
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}
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}
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return res;
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}
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/* TODO: The GPU api should ensure that resources freed by the caller will not cause issues on the GPU (via fencing),
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* however the caller is responsible for managing resource lifetimes on the CPU side (e.g. using sprites w/ sprite scopes
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* to ensure freed textures aren't being used in pending command lists. */
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void gpu_release(struct gpu_handle handle)
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{
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enum dx12_handle_kind kind = NULL;
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void *data = NULL;
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/* Release handle entry */
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struct sys_lock lock = sys_mutex_lock_e(&G.handle_entries_mutex);
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{
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struct dx12_handle_entry *entry = handle_get_entry(handle, &lock);
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if (entry) {
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kind = entry->kind;
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data = entry->data;
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}
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++entry->gen;
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entry->next_free = G.first_free_handle_entry;
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G.first_free_handle_entry = entry;
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}
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sys_mutex_unlock(&lock);
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/* Release data */
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if (data) {
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switch (kind) {
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default: break;
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case DX12_HANDLE_KIND_TEXTURE:
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{
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dx12_texture_release(data);
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} break;
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}
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}
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}
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/* ========================== *
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* Texture
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* ========================== */
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INTERNAL void dx12_texture_release(struct dx12_texture *t)
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{
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(UNUSED)t;
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}
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struct gpu_handle gpu_texture_alloc(enum gpu_texture_format format, u32 flags, struct v2i32 size, void *initial_data)
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{
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(UNUSED)format;
|
|
(UNUSED)flags;
|
|
(UNUSED)size;
|
|
(UNUSED)initial_data;
|
|
struct dx12_texture *t = NULL;
|
|
|
|
return handle_alloc(DX12_HANDLE_KIND_TEXTURE, t);
|
|
}
|
|
|
|
void gpu_texture_clear(struct gpu_handle target_texture, u32 clear_color)
|
|
{
|
|
(UNUSED)target_texture;
|
|
(UNUSED)clear_color;
|
|
}
|
|
|
|
struct v2i32 gpu_texture_get_size(struct gpu_handle texture)
|
|
{
|
|
(UNUSED)texture;
|
|
struct v2i32 res = ZI;
|
|
return res;
|
|
}
|
|
|
|
/* ========================== *
|
|
* Cmd buffer
|
|
* ========================== */
|
|
|
|
struct gpu_handle gpu_cmd_store_alloc(void)
|
|
{
|
|
struct gpu_handle res = ZI;
|
|
return res;
|
|
}
|
|
|
|
void gpu_push_cmd(struct gpu_handle gpu_cmd_store, struct gpu_cmd_params params)
|
|
{
|
|
(UNUSED)gpu_cmd_store;
|
|
(UNUSED)params;
|
|
}
|
|
|
|
void gpu_submit_cmds(struct gpu_handle gpu_cmd_store)
|
|
{
|
|
(UNUSED)gpu_cmd_store;
|
|
}
|
|
|
|
/* ========================== *
|
|
* Dispatch
|
|
* ========================== */
|
|
|
|
struct gpu_handle gpu_dispatch_state_alloc(void)
|
|
{
|
|
struct gpu_handle res = ZI;
|
|
return res;
|
|
}
|
|
|
|
void gpu_dispatch(struct gpu_handle gpu_dispatch_state, struct gpu_dispatch_params params)
|
|
{
|
|
(UNUSED)gpu_dispatch_state;
|
|
(UNUSED)params;
|
|
}
|
|
|
|
/* ========================== *
|
|
* Backbuffer
|
|
* ========================== */
|
|
|
|
struct gpu_handle gpu_recreate_backbuffer(struct v2i32 size)
|
|
{
|
|
(UNUSED)size;
|
|
struct gpu_handle res = ZI;
|
|
return res;
|
|
}
|
|
|
|
void gpu_swap_backbuffer(i32 vsync)
|
|
{
|
|
(UNUSED)vsync;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#endif
|