int KernelMain(void) {
printf("\n\n\nStart NOOS RTOS kernel...............\n");
#ifdef _SHOW_EXCEPTION_HANDLER_
__asm__ __volatile__ (
"SWI 0x121212\n"
);
return 0;
#endif // _SHOW_EXCEPTION_HANDLER_
InitScheduler();
InitTask();
InitInterrupt();
InitTick();
InitTimer();
TaskInit(&initTask, InitTaskMain, 0, CONFIG_MAX_PRIORITY - 1, 20, initStack, sizeof(initStack));
while (1) {
/* task idle */
continue;
}
return 0;
}
void RBench::Start(BOOLEAN trace) {
// clock_t t1, t2, t3, t4;
TaskState *t;
Packet *workQ;
if (trace) InitTrace(); else tracing = FALSE;
InitScheduler();
// t1 = clock();
// printf("\nRichards benchmark: initializing...\n");
t = new TaskState; t->Running(); // Idler
CreateIdler(Idler, 0, NoWork, t);
workQ = new Packet(NoWork, Worker, WorkPacket); // Worker
workQ = new Packet(workQ , Worker, WorkPacket);
t = new TaskState; t->WaitingWithPacket();
CreateWorker(Worker, 1000, workQ, t);
workQ = new Packet(NoWork, DeviceA, DevicePacket); // HandlerA
workQ = new Packet(workQ , DeviceA, DevicePacket);
workQ = new Packet(workQ , DeviceA, DevicePacket);
t = new TaskState; t->WaitingWithPacket();
CreateHandler(HandlerA, 2000, workQ, t);
workQ = new Packet(NoWork, DeviceB, DevicePacket); // HandlerB
workQ = new Packet(workQ , DeviceB, DevicePacket);
workQ = new Packet(workQ , DeviceB, DevicePacket);
t = new TaskState; t->WaitingWithPacket();
CreateHandler(HandlerB, 3000, workQ, t);
t = new TaskState; t->Waiting(); // DeviceA
CreateDevice(DeviceA, 4000, NoWork, t);
t = new TaskState; t->Waiting(); // DeviceB
CreateDevice(DeviceB, 5000, NoWork, t);
// printf("starting...\n");
// t2 = clock();
Schedule();
// t3 = clock();
// printf("done.\n");
// printf("QueuePacketCount = %d, HoldCount = %d.\nThese results are %s",
// queuePacketCount, holdCount,
// (queuePacketCount == 23246 && holdCount == 9297) ?
// "correct." : "wrong!"
// );
if (! (queuePacketCount == 23246 && holdCount == 9297)) {
printf("error: richards results are incorrect\n");
}
// t4 = clock();
// printf("\nScheduler time = %g seconds, total time = %g\n",
// (double)(t3 - t2) / CLK_TCK,
// (double)(t4 - t1) / CLK_TCK);
}
void InitApplication(u32 windowWidth, u32 windowHeight, ApplicationFlagsEnum flags, ApplicationPresentProfileEnum profile, i32 adapterIndex) {
GDisplaySettings.resolution.x = windowWidth;
GDisplaySettings.resolution.y = windowHeight;
switch (profile) {
case APP_PRESENT_THROUGHPUT:
{
GDisplaySettings.vsync = 1;
GDisplaySettings.backbuffers_num = 3;
GDisplaySettings.max_gpu_buffered_frames = 3;
GDisplaySettings.wait_to_vblank = false;
}
break;
case APP_PRESENT_UNTHROTTLED:
{
GDisplaySettings.vsync = 0;
GDisplaySettings.backbuffers_num = 3;
GDisplaySettings.max_gpu_buffered_frames = 3;
GDisplaySettings.wait_to_vblank = false;
}
break;
case APP_PRESENT_LOWLATENCY:
{
GDisplaySettings.vsync = 1;
GDisplaySettings.backbuffers_num = 3;
GDisplaySettings.max_gpu_buffered_frames = 2;
GDisplaySettings.wait_to_vblank = true;
}
break;
case APP_PRESENT_VERYLOWLATENCY:
{
GDisplaySettings.vsync = 1;
GDisplaySettings.backbuffers_num = 2;
GDisplaySettings.max_gpu_buffered_frames = 1;
GDisplaySettings.wait_to_vblank = true;
}
break;
default:
Check(0);
}
InitMainThread();
InitProfiler();
PROFILE_NAME_THREAD("Main");
InitScheduler();
InitSDL(&SDLWindow);
InitDevice(GDisplaySettings.hwnd, false, flags & APP_FLAG_D3D12_DEBUG, adapterIndex);
InitRenderingEngines();
InitResources();
GGPUMainQueue = CreateQueue(TEXT_("3d_engine"), GPUQueueEnum::Direct);
GGPUCopyQueue = CreateQueue(TEXT_("copy_engine"), GPUQueueEnum::Copy);
CreateSwapChain(GetD12Queue(GGPUMainQueue));
ImGuiIO& io = ImGui::GetIO();
io.KeyMap[ImGuiKey_Tab] = SDL_SCANCODE_TAB;
io.KeyMap[ImGuiKey_LeftArrow] = SDL_SCANCODE_LEFT;
io.KeyMap[ImGuiKey_RightArrow] = SDL_SCANCODE_RIGHT;
io.KeyMap[ImGuiKey_UpArrow] = SDL_SCANCODE_UP;
io.KeyMap[ImGuiKey_DownArrow] = SDL_SCANCODE_DOWN;
io.KeyMap[ImGuiKey_Home] = SDL_SCANCODE_HOME;
io.KeyMap[ImGuiKey_End] = SDL_SCANCODE_END;
io.KeyMap[ImGuiKey_Delete] = SDL_SCANCODE_DELETE;
io.KeyMap[ImGuiKey_Backspace] = SDL_SCANCODE_BACKSPACE;
io.KeyMap[ImGuiKey_Enter] = SDL_SCANCODE_RETURN;
io.KeyMap[ImGuiKey_Escape] = SDL_SCANCODE_ESCAPE;
io.KeyMap[ImGuiKey_A] = SDL_SCANCODE_A;
io.KeyMap[ImGuiKey_C] = SDL_SCANCODE_C;
io.KeyMap[ImGuiKey_V] = SDL_SCANCODE_V;
io.KeyMap[ImGuiKey_X] = SDL_SCANCODE_X;
io.KeyMap[ImGuiKey_Y] = SDL_SCANCODE_Y;
io.KeyMap[ImGuiKey_Z] = SDL_SCANCODE_Z;
io.RenderDrawListsFn = Essence::RenderImDrawLists;
io.ImeWindowHandle = GDisplaySettings.hwnd;
io.Fonts->AddFontDefault();
unsigned char* pixels;
int width, height;
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height);
io.Fonts->TexID = nullptr;
D3D12_SUBRESOURCE_DATA imageData;
imageData.pData = pixels;
imageData.RowPitch = sizeof(u32) * width;
imageData.SlicePitch = sizeof(u32) * width * height;
auto fontsTexture = CreateTexture2D(width, height, DXGI_FORMAT_R8G8B8A8_UNORM, NO_TEXTURE_FLAGS, "font_texture");
CopyFromCpuToSubresources(GGPUCopyQueue, Slice(fontsTexture), 1, &imageData);
io.Fonts->TexID = HandleToImGuiTexID(fontsTexture);
GApplicationInitializeFunction();
// after issuing init copies waiting for completion
QueueWait(GGPUMainQueue, GetLastSignaledFence(GGPUCopyQueue));
}
