Patedam/Juliet
1
0 Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

all window share frame allocator and present together

Browse Source
This commit is contained in:
Patedam committed 2026-10-28 22:17:27 -04:00
1 parent 5fa75c116e
commit db9aca2128
2 files changed
+37 -14
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

Juliet/render/d3d12/render_d3d12.c
+32 -13
View File
@@ -26,11 +26,16 @@ internal R_Handle r_d3d12_handle_from_window(R_D3D12_Window* window)
internal void r_d3d12_wait()
{
r_d3d12_state->fence_value += 1;
ID3D12CommandQueue_Signal(r_d3d12_state->direct_command_queue, r_d3d12_state->fence, r_d3d12_state->fence_value);
if (ID3D12Fence_GetCompletedValue(r_d3d12_state->fence) < r_d3d12_state->fence_value)
r_d3d12_state->global_fence_value += 1;
ID3D12CommandQueue_Signal(r_d3d12_state->direct_command_queue, r_d3d12_state->fence, r_d3d12_state->global_fence_value);
r_d3d12_wait_for_fence_value(r_d3d12_state->global_fence_value);
}
internal void r_d3d12_wait_for_fence_value(uint64 fence_value)
{
ID3D12Fence_SetEventOnCompletion(r_d3d12_state->fence, r_d3d12_state->fence_value, r_d3d12_state->fence_event);
if (ID3D12Fence_GetCompletedValue(r_d3d12_state->fence) < fence_value)
{
ID3D12Fence_SetEventOnCompletion(r_d3d12_state->fence, fence_value, r_d3d12_state->fence_event);
WaitForSingleObject(r_d3d12_state->fence_event, INFINITE);
}
}
@@ -292,12 +297,28 @@ void r_window_unequip(WM_Window handle, R_Handle handle_equip)
void r_begin_frame()
{
// No-op
MutexScopeW(r_d3d12_state->device_rw_mutex)
{
uint64 frame_slot = r_d3d12_state->frame_idx % 2;
r_d3d12_wait_for_fence_value(r_d3d12_state->frame_fence_value[frame_slot]);
ID3D12CommandAllocator_Reset(r_d3d12_state->command_allocators[frame_slot]);
r_d3d12_state->frame_has_presented = 0;
}
}
void r_end_frame()
{
// pouet
MutexScopeW(r_d3d12_state->device_rw_mutex)
{
uint64 frame_slot = r_d3d12_state->frame_idx % 2;
// Setup the frame fence
r_d3d12_state->global_fence_value += 1;
ID3D12CommandQueue_Signal(r_d3d12_state->direct_command_queue, r_d3d12_state->fence, r_d3d12_state->global_fence_value);
r_d3d12_state->frame_fence_value[frame_slot] = r_d3d12_state->global_fence_value;
r_d3d12_state->frame_idx += 1;
}
}
void r_window_begin_frame(WM_Window window, R_Handle window_equip)
@@ -338,12 +359,11 @@ void r_window_begin_frame(WM_Window window, R_Handle window_equip)
}
// Open the command list for that window that frame
// TODO : multiple command list as we have multiple windows
uint64 frame_slot = r_d3d12_state->frame_idx % 2;
r_window->framebuffer_idx = IDXGISwapChain3_GetCurrentBackBufferIndex(r_window->swapchain);
ID3D12CommandAllocator* allocator = r_d3d12_state->command_allocators[r_window->framebuffer_idx];
ID3D12CommandAllocator* allocator = r_d3d12_state->command_allocators[frame_slot];
ID3D12GraphicsCommandList* cmd_list = r_d3d12_state->command_list;
ID3D12CommandAllocator_Reset(allocator);
ID3D12GraphicsCommandList1_Reset(cmd_list, allocator, 0);
// Barrier to transition from Present (end of frame) to render target
@@ -384,9 +404,8 @@ void r_window_end_frame(WM_Window window, R_Handle window_equip)
ID3D12GraphicsCommandList_Close(cmd_list);
ID3D12CommandQueue_ExecuteCommandLists(r_d3d12_state->direct_command_queue, 1, (ID3D12CommandList**)&cmd_list);
IDXGISwapChain3_Present(r_window->swapchain, 1, 0);
// Fence until gpu finishes work
r_d3d12_wait();
UINT sync_interval = r_d3d12_state->frame_has_presented ? 0 : 1;
IDXGISwapChain3_Present(r_window->swapchain, sync_interval, 0);
r_d3d12_state->frame_has_presented = 1;
}
}
Juliet/render/d3d12/render_d3d12.h
+5 -1
View File
@@ -37,6 +37,8 @@ struct R_D3D12_State
Arena* arena;
R_D3D12_Window* first_free_window;
RWMutex device_rw_mutex;
uint8 frame_idx;
bool8 frame_has_presented;
// base d3d12 object
ID3D12Device4* device;
@@ -50,7 +52,8 @@ struct R_D3D12_State
// Fence
ID3D12Fence* fence;
uint64 fence_value;
uint64 global_fence_value;
uint64 frame_fence_value[2];
HANDLE fence_event;
};
@@ -70,3 +73,4 @@ internal R_Handle r_d3d12_handle_from_window(R_D3D12_Window* window);
// Wait Function
internal void r_d3d12_wait();
internal void r_d3d12_wait_for_fence_value(uint64 fence_value);