diff options
Diffstat (limited to '3dc/win95/win_func.cpp')
| -rw-r--r-- | 3dc/win95/win_func.cpp | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/3dc/win95/win_func.cpp b/3dc/win95/win_func.cpp deleted file mode 100644 index 6be299e..0000000 --- a/3dc/win95/win_func.cpp +++ /dev/null @@ -1,334 +0,0 @@ -/**** - -Windows functionality that is definitely -not project specific. - -****/ - -// To link code to main C functions - -extern "C" { - -#include "3dc.h" -#include "inline.h" - -// For modifications necessary to make Alt-Tabbing -// behaviour (WM_ACTIVATEAPP) work full screen. -// This is necessary to support full screen -// ActiveMovie play. - -#define SupportAltTab Yes - -// Globals - -static HANDLE RasterThread; - -// Externs - -extern BOOL bActive; - -// These function are here solely to provide a clean -// interface layer, since Win32 include files are fully -// available in both C and C++. -// All functions linking to standard windows code are -// in win_func.cpp or win_proj.cpp, and all DirectX -// interface functions -// should be in dd_func.cpp (in the Win95 directory) -// or d3_func.cpp, dp_func.cpp, ds_func.cpp etc. -// Project specific platfrom functionality for Win95 -// should be in project/win95, in files called -// dd_proj.cpp etc. - - -// GetTickCount is the standard windows return -// millisecond time function, which isn't actually -// accurate to a millisecond. In order to get FRI -// to work properly with GetTickCount at high frame -// rates, you will have to switch KalmanTimer to Yes -// at the start of io.c to turn on a filtering algorithm -// in the frame counter handler. -// Alternately, we can use the mm function -// timeGetTime to get the time accurate to a millisecond. -// There is still enough variation in this to make -// the kalman filter probably worthwhile, however. - -long GetWindowsTickCount(void) - -{ - #if 0 - return GetTickCount(); - #else - return timeGetTime(); - #endif -} - -// This function is set up using a PeekMessage check, -// with a return on a failure of GetMessage, on the -// grounds that it might be more stable than just -// GetMessage. But then again, maybe not. -// PM_NOREMOVE means do not take this message out of -// the queue. The while loop is designed to ensure -// that all messages are sent through to the Windows -// Procedure are associated with a maximum of one frame's -// delay in the main engine cycle, ensuring that e.g. -// keydown messages do not build up in the queue. - -// if necessary, one could extern this flag -// to determine if a task-switch has occurred which might -// have trashed a static display, to decide whether to -// redraw the screen. After doing so, one should reset -// the flag - -BOOL g_bMustRedrawScreen = FALSE; - -void CheckForWindowsMessages(void) -{ - MSG msg; - extern signed int MouseWheelStatus; - - MouseWheelStatus = 0; - - // Initialisation for the current embarassingly primitive mouse - // handler... - - do - { - while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE)) - { - if (!GetMessage(&msg, NULL, 0, 0)) - return; - - TranslateMessage(&msg); - DispatchMessage(&msg); - - #if (!SupportAltTab) - // Panic - if (!bActive) - { - // Dubious hack... - #if 0 - ExitSystem(); - #else - ReleaseDirect3D(); - exit(0x00); - #endif - } - #endif - } - - // JH 13/2/98 - if the app is not active we should not return from the message lopp - // until the app is re-activated - - if (!bActive) - { - ResetFrameCounter(); - Sleep(0); - g_bMustRedrawScreen = TRUE; - } - } - while (!bActive); -} - - - - -// Experimental functions to handle a separate -// thread to run rasterisation on hardware at low -// priority. - -// Note that the RenderD3DScene function does not need -// to call ExitThread explictly - the return at the -// end of the function will do this for this, giving -// thread exit code equal to the return value from -// the function. - -/* - Note that this assumes DrawPerFrame mode!!! - necessary for some hardware accelerators anyway - (deferred texturing problem!!!) -*/ - -BOOL SpawnRasterThread() - -{ - DWORD RasterThreadId; - // Stack size of new thread in bytes. - // For the moment, we will set it to - // 128K, the normal size for the engine - // process. - // Note that this is in bytes. - // Note that stack size should grow as - // necessary. We hope. - DWORD StackSize = 128 * 1024; - - - // Create the thread - RasterThread = CreateThread( - NULL, // no security - StackSize, // default stack size - (LPTHREAD_START_ROUTINE) RenderD3DScene, - 0, // no argument for function - 0, // default creation flags - &RasterThreadId); // get thread ID - - if (RasterThread == NULL) - { - #if debug - ReleaseDirect3D(); - exit(0xabab); - #else - return FALSE; - #endif - } - - #if 1 - // Set the priority on the thread to - // below normal, since we want this thread - // to be unimportant --- it is only monitoring - // the hardware rasteriser. Hopefully. - // Note that this priority value maybe should - // be THREAD_PRIORITY_LOWEST or THREAD_PRIORITY_IDLE, - // or maybe we shouldn't call this function at all. - // Also, we must have a THREAD_SET_INFORMATION - // access right associated with the thread for this - // to work. Hopefully, this should be the default - // when using CreateThread. - SetThreadPriority(RasterThread, - THREAD_PRIORITY_NORMAL); - #endif - - return TRUE; -} - -BOOL WaitForRasterThread() - -{ - BOOL RetVal; - DWORD ThreadStatus; - int i; - - // Note that if this is to work the - // rasterisation thread must have a - // THREAD_QUERY_INFORMATION access right, - // but we believe CreateThread should supply - // this as a default. - - // Note!!! At some stage we may want to put a - // delay loop in the statement below, in the - // time honoured Saturn fashion, depending on how - // much impact calling GetExitCodeThread has on the - // rest of the system - hopefully not much... - - do - { - RetVal = GetExitCodeThread(RasterThread, - &ThreadStatus); - } - while ((RetVal == TRUE) && - (ThreadStatus == STILL_ACTIVE)); - - // Failed to get a status report on the thread - if (RetVal == FALSE) - { - #if debug - ReleaseDirect3D(); - exit(0xabbb); - #else - return FALSE; - #endif - } - - return TRUE; -} - - -/* - Pick up processor types, - either from assembler test (note - I have asm to do this, but it must - be converted from as / Motorola format - to masm / Intel), or (more likely) from - a text file left by the launcher, which - can use GetProcessorType from the - mssetup api -*/ - -#ifdef __WATCOMC__ - -unsigned int GetCPUId(void); -#pragma aux GetCPUId = "mov eax,1" "cpuid" value [edx] modify [eax ebx ecx]; - -#elif defined(_MSC_VER) - -static unsigned int GetCPUId(void) -{ - unsigned int retval; - _asm - { - mov eax,1 - _emit 0x0f ; CPUID (00001111 10100010) - This is a Pentium - ; specific instruction which gets information on the - _emit 0xa2 ; processor. A Pentium family processor should set - ; bits 11-8 of eax to 5. - mov retval,edx - } - return retval; -} - -#else - -#error "Unknown compiler" - -#endif - - -PROCESSORTYPES ReadProcessorType(void) -{ - SYSTEM_INFO SystemInfo; - int ProcessorType; - PROCESSORTYPES RetVal; - - GetSystemInfo(&SystemInfo); - - ProcessorType = SystemInfo.dwProcessorType; - - switch (ProcessorType) - { - case PROCESSOR_INTEL_386: - RetVal = PType_OffBottomOfScale; - break; - - case PROCESSOR_INTEL_486: - RetVal = PType_486; - break; - - case PROCESSOR_INTEL_PENTIUM: - if (GetCPUId() & 0x00800000) - RetVal = PType_PentiumMMX; - else - RetVal = PType_Pentium; - break; - - #if 0 - case PROCESSOR_INTEL_SOMETHING: - RetVal = PType_Klamath; - break; - #endif - - default: - RetVal = PType_OffTopOfScale; - break; - } - - return RetVal; -} - - - -// End of extern C declaration - -}; - - - - |