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Diffstat (limited to 'Samples/CommonSrc/Platform/Linux_Platform.cpp')
| -rw-r--r-- | Samples/CommonSrc/Platform/Linux_Platform.cpp | 784 |
1 files changed, 0 insertions, 784 deletions
diff --git a/Samples/CommonSrc/Platform/Linux_Platform.cpp b/Samples/CommonSrc/Platform/Linux_Platform.cpp deleted file mode 100644 index bf84270..0000000 --- a/Samples/CommonSrc/Platform/Linux_Platform.cpp +++ /dev/null @@ -1,784 +0,0 @@ -/************************************************************************************ - -Filename : Platform_Linux.cpp -Content : Linux (X11) implementation of Platform app infrastructure -Created : September 6, 2012 -Authors : Andrew Reisse - -Copyright : Copyright 2012 Oculus VR, Inc. All Rights reserved. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - -http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. - -************************************************************************************/ - -#include "Kernel/OVR_System.h" -#include "Kernel/OVR_Array.h" -#include "Kernel/OVR_String.h" -#include "Kernel/OVR_Timer.h" -#include "OVR_CAPI_GL.h" - -#include "Linux_Platform.h" -#include "Linux_Gamepad.h" - -// Renderers -#include "../Render/Render_GL_Device.h" - -#include "../../3rdParty/EDID/edid.h" -#include <X11/extensions/Xinerama.h> -#include <X11/extensions/Xrandr.h> - - -namespace OVR { namespace Platform { namespace Linux { - -static const char *AtomNames[] = {"WM_PROTOCOLS", "WM_DELETE_WINDOW"}; - -PlatformCore::PlatformCore(Application* app) - : Platform::PlatformCore(app), Disp(NULL), Win(0), Vis(NULL), Quit(0), MMode(Mouse_Normal) - , StartVP(0, 0, 0, 0) -{ - pGamepadManager = *new Linux::GamepadManager(); -} -PlatformCore::~PlatformCore() -{ - XFreeCursor(Disp, InvisibleCursor); - - if (Disp) - XCloseDisplay(Disp); -} - -// Setup an X11 window in windowed mode. -bool PlatformCore::SetupWindow(int w, int h) -{ - - if (!Disp) - { - XInitThreads(); - - Disp = XOpenDisplay(NULL); - if (!Disp) - { - OVR_DEBUG_LOG(("XOpenDisplay failed.")); - return false; - } - - XInternAtoms(Disp, const_cast<char**>(AtomNames), NumAtoms, false, Atoms); - } - - XSetWindowAttributes winattr; - unsigned attrmask = CWEventMask | CWBorderPixel; - - winattr.event_mask = ButtonPressMask|ButtonReleaseMask|KeyPressMask|KeyReleaseMask|ButtonMotionMask|PointerMotionMask| - /*PointerMotionHintMask|*/StructureNotifyMask;//|ExposureMask; - winattr.border_pixel = 0; - - int screenNumber = DefaultScreen(Disp); - - if (!Vis) - { - int attr[16]; - int nattr = 2; - - attr[0] = GLX_RGBA; - attr[1] = GLX_DOUBLEBUFFER; - attr[nattr++] = GLX_DEPTH_SIZE; - attr[nattr++] = 24; - attr[nattr] = 0; - - Vis = glXChooseVisual(Disp, screenNumber, attr); - - if (!Vis) - { - OVR_DEBUG_LOG(("glXChooseVisual failed.")); - return false; - } - } - - Window rootWindow = XRootWindow(Disp, Vis->screen); - - winattr.colormap = XCreateColormap(Disp, rootWindow, Vis->visual, AllocNone); - attrmask |= CWColormap; - - - Win = XCreateWindow(Disp, rootWindow, 0, 0, w, h, 0, Vis->depth, - InputOutput, Vis->visual, attrmask, &winattr); - - if (!Win) - { - OVR_DEBUG_LOG(("XCreateWindow failed.")); - return false; - } - - - XStoreName(Disp, Win, "OVR App"); - XSetWMProtocols(Disp, Win, &Atoms[WM_DELETE_WINDOW], 1); - - // Intialize empty cursor for show/hide. - XColor black; - static char noData[] = { 0,0,0,0,0,0,0,0 }; - black.red = black.green = black.blue = 0; - - Pixmap bitmapNoData = XCreateBitmapFromData(Disp, Win, noData, 8, 8); - InvisibleCursor = XCreatePixmapCursor(Disp, bitmapNoData, bitmapNoData, - &black, &black, 0, 0); - XDefineCursor(Disp, Win, InvisibleCursor); - - Width = w; - Height = h; - - return true; -} - -void PlatformCore::SetMouseMode(MouseMode mm) -{ - if (mm == MMode) - return; - - if (Win) - { - if (mm == Mouse_Relative) - { - XWarpPointer(Disp, Win, Win, 0,0,Width,Height, Width/2, Height/2); - } - else - { - //if (MMode == Mouse_Relative) - // ShowCursor(TRUE); - } - } - MMode = mm; -} - -void PlatformCore::GetWindowSize(int* w, int* h) const -{ - *w = Width; - *h = Height; -} - -void PlatformCore::SetWindowTitle(const char* title) -{ - XStoreName(Disp, Win, title); -} - -void PlatformCore::ShowWindow(bool show) -{ - if (show) - XRaiseWindow(Disp, Win); - else - XIconifyWindow(Disp, Win, 0); -} - -void PlatformCore::DestroyWindow() -{ - if (Win) - XDestroyWindow(Disp, Win); - Win = 0; -} - - -static int KeyMap[][2] = -{ - { XK_BackSpace, Key_Backspace }, - { XK_Tab, Key_Tab }, - { XK_Clear, Key_Clear }, - { XK_Return, Key_Return }, - { XK_Shift_L, Key_Shift }, - { XK_Control_L, Key_Control }, - { XK_Alt_L, Key_Alt }, - { XK_Shift_R, Key_Shift }, - { XK_Control_R, Key_Control }, - { XK_Alt_R, Key_Alt }, - { XK_Pause, Key_Pause }, - { XK_Caps_Lock, Key_CapsLock }, - { XK_Escape, Key_Escape }, - { XK_space, Key_Space }, - { XK_Page_Up, Key_PageUp }, - { XK_Page_Down, Key_PageDown }, - { XK_Prior, Key_PageUp }, - { XK_Next, Key_PageDown }, - { XK_End, Key_End }, - { XK_Home, Key_Home }, - { XK_Left, Key_Left }, - { XK_Up, Key_Up }, - { XK_Right, Key_Right }, - { XK_Down, Key_Down }, - { XK_Insert, Key_Insert }, - { XK_Delete, Key_Delete }, - { XK_Help, Key_Help }, - { XK_Num_Lock, Key_NumLock }, - { XK_Scroll_Lock, Key_ScrollLock }, -}; - - -static KeyCode MapXKToKeyCode(unsigned vk) -{ - unsigned key = Key_None; - - if ((vk >= 'a') && (vk <= 'z')) - { - key = vk - 'a' + Key_A; - } - else if ((vk >= ' ') && (vk <= '~')) - { - key = vk; - } - else if ((vk >= XK_KP_0) && (vk <= XK_KP_9)) - { - key = vk - XK_KP_0 + Key_KP_0; - } - else if ((vk >= XK_F1) && (vk <= XK_F15)) - { - key = vk - XK_F1 + Key_F1; - } - else - { - for (unsigned i = 0; i< (sizeof(KeyMap) / sizeof(KeyMap[1])); i++) - { - if (vk == KeyMap[i][0]) - { - key = KeyMap[i][1]; - break; - } - } - } - - return (KeyCode)key; -} - -static int MapModifiers(int xmod) -{ - int mod = 0; - if (xmod & ShiftMask) - mod |= Mod_Shift; - if (xmod & ControlMask) - mod |= Mod_Control; - if (xmod & Mod1Mask) - mod |= Mod_Alt; - if (xmod & Mod4Mask) - mod |= Mod_Meta; - return mod; -} - -void PlatformCore::processEvent(XEvent& event) -{ - switch (event.xany.type) - { - case ConfigureNotify: - if (event.xconfigure.width != Width || event.xconfigure.height != Height) - { - Width = event.xconfigure.width; - Height = event.xconfigure.height; - pApp->OnResize(Width, Height); - - if (pRender) - pRender->SetWindowSize(Width, Height); - } - break; - - case KeyPress: - case KeyRelease: - { - char chars[8] = {0}; - KeySym xk; - XComposeStatus comp; - XLookupString(&event.xkey, chars, sizeof(chars), &xk, &comp); - if (xk != XK_VoidSymbol) - pApp->OnKey(MapXKToKeyCode((unsigned)xk), chars[0], event.xany.type == KeyPress, MapModifiers(event.xkey.state)); - if (xk == XK_Escape && MMode == Mouse_Relative) - { - //ungrab - MMode = Mouse_RelativeEscaped; - showCursor(true); - } - } - break; - - case MotionNotify: - if (MMode == Mouse_Relative) - { - int dx = event.xmotion.x - Width/2; - int dy = event.xmotion.y - Height/2; - - // do not remove this check, WarpPointer generates events too. - if (dx == 0 && dy == 0) - break; - - XWarpPointer(Disp, Win, Win, 0,0,Width,Height, Width/2, Height/2); - pApp->OnMouseMove(dx, dy, Mod_MouseRelative|MapModifiers(event.xmotion.state)); - } - else - { - pApp->OnMouseMove(event.xmotion.x, event.xmotion.y, MapModifiers(event.xmotion.state)); - } - break; - - case MapNotify: - if (MMode == Mouse_Relative) - { - XWarpPointer(Disp, Win, Win, 0,0,Width,Height, Width/2, Height/2); - showCursor(false); - } - break; - - case ButtonPress: - if (event.xbutton.button == 1) - { - //grab - - if (MMode == Mouse_RelativeEscaped) - { - XWarpPointer(Disp, Win, Win, 0,0,Width,Height, Width/2, Height/2); - showCursor(false); - MMode = Mouse_Relative; - } - } - break; - - case FocusOut: - if (MMode == Mouse_Relative) - { - MMode = Mouse_RelativeEscaped; - showCursor(true); - } - break; - - case ClientMessage: - if (event.xclient.message_type == Atoms[WM_PROTOCOLS] && - Atom(event.xclient.data.l[0]) == Atoms[WM_DELETE_WINDOW]) - pApp->OnQuitRequest(); - break; - } -} - -int PlatformCore::Run() -{ - while (!Quit) - { - if (XPending(Disp)) - { - XEvent event; - XNextEvent(Disp, &event); - - if (pApp && event.xany.window == Win) - processEvent(event); - } - else - { - pApp->OnIdle(); - } - } - - return ExitCode; -} - -bool PlatformCore::determineScreenOffset(int screenId, int* screenOffsetX, int* screenOffsetY) -{ - Display* display = XOpenDisplay(NULL); - - bool foundScreen = false; - - if (display) - { - int numberOfScreens; - XineramaScreenInfo* screens = XineramaQueryScreens(display, &numberOfScreens); - - if (screenId < numberOfScreens) - { - XineramaScreenInfo screenInfo = screens[screenId]; - *screenOffsetX = screenInfo.x_org; - *screenOffsetY = screenInfo.y_org; - - foundScreen = true; - } - - XFree(screens); - } - - return foundScreen; -} - -void PlatformCore::showWindowDecorations(bool show) -{ - // Declaration of 'MOTIF_WM_HINTS' struct and flags can be found at: - // https://people.gnome.org/~tthurman/docs/metacity/xprops_8h-source.html - typedef struct WMHints - { - unsigned long flags; - unsigned long functions; - unsigned long decorations; - long inputMode; - unsigned long status; - } Hints; - - #define MWM_DECOR_ALL (1L << 0) - #define MWM_DECOR_BORDER (1L << 1) - #define MWM_DECOR_RESIZEH (1L << 2) - #define MWM_DECOR_TITLE (1L << 3) - #define MWM_DECOR_MENU (1L << 4) - #define MWM_DECOR_MINIMIZE (1L << 5) - #define MWM_DECOR_MAXIMIZE (1L << 6) - - Atom property = XInternAtom(Disp, "_MOTIF_WM_HINTS", true); - - Hints hints; - hints.flags = 2; // We only want to specify decoration. - - if (show) - { - hints.decorations = MWM_DECOR_BORDER | MWM_DECOR_TITLE | MWM_DECOR_MENU | MWM_DECOR_MINIMIZE | MWM_DECOR_MAXIMIZE; - } - else - { - // Remove all window border items. - hints.decorations = 0; - } - - XChangeProperty(Disp,Win,property,property,32,PropModeReplace,(unsigned char *)&hints,5); -} - -int PlatformCore::IndexOf(Render::DisplayId id) -{ - RROutput primaryOutput = XRRGetOutputPrimary(Disp, DefaultRootWindow(Disp)); - if (id.CgDisplayId == 0 && primaryOutput != 0) - return 0; - - int index = (primaryOutput != 0) ? 0 : -1; - XRRScreenResources *screen = XRRGetScreenResources(Disp, Win); - for (int i = 0; i < screen->noutput && i <= id.CgDisplayId; ++i) - { - RROutput output = screen->outputs[i]; - MonitorInfo * mi = read_edid_data(Disp, output); - if (mi != NULL && (primaryOutput == 0 || output != primaryOutput)) - ++index; - - delete mi; - } - XRRFreeScreenResources(screen); - - return index; -} - -bool PlatformCore::SetFullscreen(const Render::RendererParams& rp, int fullscreen) -{ - if (fullscreen == pRender->GetParams().Fullscreen) - return false; - - int displayIndex = IndexOf(rp.Display); - OVR_DEBUG_LOG(("Display %d has index %d", rp.Display.CgDisplayId, displayIndex)); - - if (pRender->GetParams().Fullscreen == Render::Display_Window) - { - // Save the original window size and position so we can restore later. - - XWindowAttributes xwa; - XGetWindowAttributes(Disp, Win, &xwa); - int x, y; - Window unused; - XTranslateCoordinates(Disp, Win, DefaultRootWindow(Disp), xwa.x, xwa.y, &x, &y, &unused); - - StartVP.w = Width; - StartVP.h = Height; - StartVP.x = x; - StartVP.y = y; - } - else if (pRender->GetParams().Fullscreen == Render::Display_Fullscreen) - { -// if (StartMode == NULL) -// return true; - -// XF86VidModeSwitchToMode(Disp, 0, StartMode); -// XF86VidModeSetViewPort(Disp, Win, 0, 0); - { - XEvent xev; - memset(&xev, 0, sizeof(xev)); - - xev.type = ClientMessage; - xev.xclient.window = Win; - xev.xclient.message_type = XInternAtom( Disp, "_NET_WM_STATE", False); - xev.xclient.format = 32; - xev.xclient.data.l[0] = 0; - xev.xclient.data.l[1] = XInternAtom( Disp, "_NET_WM_STATE_FULLSCREEN", False); - xev.xclient.data.l[2] = 0; - - XSendEvent( Disp, DefaultRootWindow( Disp ), False, SubstructureNotifyMask, &xev); - } - -// XWindowAttributes windowattr; -// XGetWindowAttributes(Disp, Win, &windowattr); -// Width = windowattr.width; -// Height = windowattr.height; -// pApp->OnResize(Width, Height); - -// if (pRender) -// pRender->SetWindowSize(Width, Height); - - XWindowChanges wc; - wc.width = StartVP.w; - wc.height = StartVP.h; - wc.x = StartVP.x; - wc.y = StartVP.y; - - XConfigureWindow(Disp, Win, CWWidth | CWHeight | CWX | CWY, &wc); - - showWindowDecorations(false); - } - - if (fullscreen == Render::Display_FakeFullscreen) - { - // Transitioning from windowed to fake fullscreen. - int xOffset; - int yOffset; - - if (!determineScreenOffset(displayIndex, &xOffset, &yOffset)) - { - return false; - } - - showWindowDecorations(false); - - XMoveWindow(Disp, Win, xOffset, yOffset); - XMapRaised(Disp, Win); - } - else if (fullscreen == Render::Display_Window) - { - // Transitioning from fake fullscreen to windowed. - showWindowDecorations(true); - - XMoveWindow(Disp, Win, StartVP.x, StartVP.y); - XMapRaised(Disp, Win); - } - else if (fullscreen == Render::Display_Fullscreen) - { - // Move, size, and decorate the window for fullscreen. - - int xOffset; - int yOffset; - - if (!determineScreenOffset(displayIndex, &xOffset, &yOffset)) - return false; - - showWindowDecorations(false); - - XWindowChanges wc; - wc.x = xOffset; - wc.y = yOffset; - wc.stack_mode = 0; - - XConfigureWindow(Disp, Win, CWX | CWY | CWStackMode, &wc); - - // Change the display mode. - -// XF86VidModeModeInfo **modes = NULL; -// int modeNum = 0; -// if (!XF86VidModeGetAllModeLines(Disp, 0, &modeNum, &modes)) -// return false; - -// OVR_ASSERT(modeNum > 0); -// StartMode = modes[0]; - -// int bestMode = -1; -// for (int i = 0; i < modeNum; i++) -// { -// if ((modes[i]->hdisplay == Width) && (modes[i]->vdisplay == Height)) -// bestMode = i; -// } - -// if (bestMode == -1) -// return false; - -// XF86VidModeSwitchToMode(Disp, 0, modes[bestMode]); - //XF86VidModeSetViewPort(Disp, Win, 0, 0); - - // Make the window fullscreen in the window manager. - - { - XEvent xev; - memset(&xev, 0, sizeof(xev)); - - xev.type = ClientMessage; - xev.xclient.window = Win; - xev.xclient.message_type = XInternAtom( Disp, "_NET_WM_STATE", False); - xev.xclient.format = 32; - xev.xclient.data.l[0] = 1; - xev.xclient.data.l[1] = XInternAtom( Disp, "_NET_WM_STATE_FULLSCREEN", False); - xev.xclient.data.l[2] = 0; - - XSendEvent( Disp, DefaultRootWindow( Disp ), False, SubstructureNotifyMask, &xev); - } - } - - XMapRaised(Disp, Win); - - Platform::PlatformCore::SetFullscreen(rp, fullscreen); - return true; -} - -int PlatformCore::GetDisplayCount() -{ - int numberOfScreens = 0; - XineramaScreenInfo* screens = XineramaQueryScreens(Disp, &numberOfScreens); - XFree(screens); - return numberOfScreens; -} - -Render::DisplayId PlatformCore::GetDisplay(int screenId) -{ - char device_id[32] = ""; - int displayId = 0; - - int screensPassed = 0; - - RROutput primaryOutput = XRRGetOutputPrimary(Disp, DefaultRootWindow(Disp)); - - XRRScreenResources *screen = XRRGetScreenResources(Disp, Win); - for (int i = 0; i < screen->noutput; ++i) - { - RROutput output = screen->outputs[i]; - MonitorInfo * mi = read_edid_data(Disp, output); - if (mi == NULL) - continue; - - bool isMyScreen = - (primaryOutput == 0) ? screensPassed++ > screenId : - (output == primaryOutput) ? screenId == 0 : - ++screensPassed >= screenId; - if (isMyScreen) - { - OVR_sprintf(device_id, 32, "%s%04d", mi->manufacturer_code, mi->product_code); - displayId = (screenId == 0 && primaryOutput != 0) ? 0 : i; // Require 0 to return the primary display - delete mi; - break; - } - - delete mi; - } - XRRFreeScreenResources(screen); - - return Render::DisplayId(device_id, displayId); -} - -RenderDevice* PlatformCore::SetupGraphics(const SetupGraphicsDeviceSet& setupGraphicsDesc, - const char* type, const Render::RendererParams& rp) -{ - const SetupGraphicsDeviceSet* setupDesc = setupGraphicsDesc.PickSetupDevice(type); - OVR_ASSERT(setupDesc); - - pRender = *setupDesc->pCreateDevice(rp, this); - if (pRender) - pRender->SetWindowSize(Width, Height); - - return pRender.GetPtr(); -} - -void PlatformCore::showCursor(bool show) -{ - if (show) - { - XUndefineCursor(Disp, Win); - } - else - { - XDefineCursor(Disp, Win, InvisibleCursor); - } -} - -}} - -// GL -namespace Render { namespace GL { namespace Linux { - -ovrRenderAPIConfig RenderDevice::Get_ovrRenderAPIConfig() const -{ - static ovrGLConfig cfg; - cfg.OGL.Header.API = ovrRenderAPI_OpenGL; - cfg.OGL.Header.RTSize = Sizei(WindowWidth, WindowHeight); - cfg.OGL.Header.Multisample = Params.Multisample; - cfg.OGL.Win = Win; - cfg.OGL.Disp = Disp; - return cfg.Config; -} - -Render::RenderDevice* RenderDevice::CreateDevice(const RendererParams& rp, void* oswnd) -{ - Platform::Linux::PlatformCore* PC = (Platform::Linux::PlatformCore*)oswnd; - - GLXContext context = glXCreateContext(PC->Disp, PC->Vis, 0, GL_TRUE); - - if (!context) - return NULL; - - if (!glXMakeCurrent(PC->Disp, PC->Win, context)) - { - glXDestroyContext(PC->Disp, context); - return NULL; - } - - XMapRaised(PC->Disp, PC->Win); - - InitGLExtensions(); - - XSync(PC->Disp, 0); - - for (XWindowAttributes attribute; attribute.map_state != IsViewable; ) - XGetWindowAttributes(PC->Disp,PC->Win,&attribute); - - XSetInputFocus(PC->Disp, PC->Win, RevertToParent, CurrentTime); - - return new Render::GL::Linux::RenderDevice(rp, PC->Disp, PC->Win, context); -} - -void RenderDevice::Present(bool withVsync) -{ - unsigned swapInterval = (withVsync) ? 1 : 0; - GLuint currentSwapInterval = 0; - glXQueryDrawable(Disp, Win, GLX_SWAP_INTERVAL_EXT, ¤tSwapInterval); - if (currentSwapInterval != swapInterval) - glXSwapIntervalEXT(Disp, Win, swapInterval); - - glXSwapBuffers(Disp, Win); -} - -void RenderDevice::Shutdown() -{ - if (Context) - { - glXMakeCurrent(Disp, 0, NULL); - glXDestroyContext(Disp, Context); - Context = NULL; - Win = 0; - } -} - -}}}} - - -int main(int argc, const char* argv[]) -{ - using namespace OVR; - using namespace OVR::Platform; - - // CreateApplication must be the first call since it does OVR::System::Initialize. - Application* app = Application::CreateApplication(); - Linux::PlatformCore* platform = new Linux::PlatformCore(app); - // The platform attached to an app will be deleted by DestroyApplication. - app->SetPlatformCore(platform); - - int exitCode = app->OnStartup(argc, argv); - if (!exitCode) - exitCode = platform->Run(); - - // No OVR functions involving memory are allowed after this. - Application::DestroyApplication(app); - app = 0; - - return exitCode; -} |