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render: make borderless resolution adjustable and hopefully fix window size being wrong on high dpi

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This commit is contained in:
somewhatlurker
2019-08-05 07:47:39 +10:00
parent 8ebed19012
commit fe2828a730
1 changed files with 36 additions and 30 deletions
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source-code/source/plugins/Render/dllmain.cpp
+36 -30
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@@ -9,39 +9,13 @@
int hookedCreateWindow(const char* title, void(__cdecl* exit_function)(int))
{
SetProcessDPIAware();
// trick Optimus into switching to the NVIDIA GPU
HMODULE nvcudaModule = LoadLibraryW(L"nvcuda.dll");
// cuInit actually returns a CUresult, but we don't really care about it
void(WINAPI * cuInit)(unsigned int flags) = (void(WINAPI*)(unsigned int flags))GetProcAddress(nvcudaModule, "cuInit");
if (cuInit != NULL) cuInit(0);
if (nDisplay == 1) // borderless fullscreen
{
*fullScreenFlag = 0;
int nWidth = glutGet(GLUT_SCREEN_WIDTH);
int nHeight = glutGet(GLUT_SCREEN_HEIGHT);
int nX = 0;
int nY = 0;
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH | GLUT_BORDERLESS);
glutInitWindowSize(nWidth, nHeight);
glutInitWindowPosition(nX, nY);
glutCreateWindow(title);
if (glutGet(GLUT_WINDOW_X) != nX || glutGet(GLUT_WINDOW_Y) != nY) // if not in borderless mode (top left of client area isn't top left of window position)
{
// support borderless mode even with original copy of glut
HDC hDev = wglGetCurrentDC(); // get handle to current opengl device context
HWND hWnd = WindowFromDC(hDev); // convert it to a window handle
SetWindowLongPtr(hWnd, GWL_STYLE, WS_POPUP); // set popup style (no border)
SetWindowPos(hWnd, HWND_TOP, 0, 0, nWidth, nHeight, 0); // adjust position to apply new style
}
printf("[Render Manager] Borderless mode.\n");
}
else if (nDisplay == 2) // fullscreen
if (nDisplay == 2) // fullscreen
{
char GameModeString[24];
sprintf_s(GameModeString, sizeof(GameModeString), "%dx%d:%d@%d", nWidth, nHeight, nBitDepth, nRefreshRate);
@@ -61,15 +35,47 @@ int hookedCreateWindow(const char* title, void(__cdecl* exit_function)(int))
glutCreateWindow(title);
}
}
else // windowed
else // windowed or borderless
{
*fullScreenFlag = 0;
// looks like GLUT_SCREEN_WIDTH and GLUT_SCREEN_HEIGHT can have issues after SetProcessDPIAware()
// not sure if calling SetProcessDPIAware later will fix this, but I'll try it
// if not, using GetSystemMetrics should work
int screenWidth = glutGet(GLUT_SCREEN_WIDTH);
int screenHeight = glutGet(GLUT_SCREEN_HEIGHT);
//int screenWidth = GetSystemMetrics(SM_CXSCREEN);
//int screenHeight = GetSystemMetrics(SM_CYSCREEN);
// window position for centered window
int wndX = (screenWidth - nWidth) / 2;
int wndY = (screenHeight - nHeight) / 2;
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);
glutInitWindowSize(nWidth, nHeight);
glutInitWindowPosition((glutGet(GLUT_SCREEN_WIDTH) - nWidth) / 2, (glutGet(GLUT_SCREEN_HEIGHT) - nHeight) / 2); // Center to the middle of the screen when windowed
glutInitWindowPosition(wndX, wndY);
glutCreateWindow(title);
printf("[Render Manager] Windowed mode.\n");
if (nDisplay == 1) // borderless mode
{
// support borderless mode even with original copy of glut
HDC hDev = wglGetCurrentDC(); // get handle to current opengl device context
HWND hWnd = WindowFromDC(hDev); // convert it to a window handle
SetWindowLongPtr(hWnd, GWL_STYLE, WS_POPUP + WS_VISIBLE); // set popup style (no border)
SetWindowPos(hWnd, HWND_TOP, wndX, wndY, nWidth, nHeight, 0); // adjust position to apply new style
printf("[Render Manager] Borderless mode.\n");
}
else
{
printf("[Render Manager] Windowed mode.\n");
}
}
SetProcessDPIAware();
return true;
}