dolphin/Source/Plugins/Plugin_VideoOGL/Src/X11Window.cpp

308 lines
10 KiB
C++

#include "X11Window.h"
X11Window::X11Window(int _iwidth, int _iheight) {
int _twidth, _theight;
if(g_Config.bFullscreen) {
if(strlen(g_Config.iFSResolution) > 1) {
sscanf(g_Config.iFSResolution, "%dx%d", &_twidth, &_theight);
}
else { // No full screen reso set, fall back to default {
_twidth = _iwidth;
_theight = _iheight;
}
} else {// Going Windowed
if(strlen(g_Config.iWindowedRes) > 1) {
sscanf(g_Config.iWindowedRes, "%dx%d", &_twidth, &_theight);
}
else { // No Window reso set, fall back to default
_twidth = _iwidth;
_theight = _iheight;
}
}
SetSize(_twidth, _theight);
// ---------------------------------------------------------------------------------------
// Control window size and picture scaling
// ------------------
// nBackbufferWidth and nBackbufferHeight = Screen resolution from ini, or 640x480
// See OpenGL_Update() for documentation of the other variables
// ------------------
nBackbufferWidth = _twidth;
nBackbufferHeight = _theight;
float FactorW = 640.0f / (float)nBackbufferWidth;
float FactorH = 480.0f / (float)nBackbufferHeight;
float Max = (FactorW < FactorH) ? FactorH : FactorW;
if(g_Config.bStretchToFit) {
MValueX = 1.0f / FactorW;
MValueY = 1.0f / FactorH;
nXoff = 0;
nYoff = 0;
} else {
MValueX = 1.0f / Max;
MValueY = 1.0f / Max;
nXoff = (int)((nBackbufferWidth - (640 * MValueX)) / 2);
nYoff = (int)((nBackbufferHeight - (480 * MValueY)) / 2);
}
XVisualInfo *vi;
Colormap cmap;
int dpyWidth, dpyHeight;
int glxMajorVersion, glxMinorVersion;
int vidModeMajorVersion, vidModeMinorVersion;
Atom wmDelete;
// attributes for a single buffered visual in RGBA format with at least
// 8 bits per color and a 24 bit depth buffer
int attrListSgl[] = {GLX_RGBA, GLX_RED_SIZE, 8,
GLX_GREEN_SIZE, 8,
GLX_BLUE_SIZE, 8,
GLX_DEPTH_SIZE, 24,
None};
// attributes for a double buffered visual in RGBA format with at least
// 8 bits per color and a 24 bit depth buffer
int attrListDbl[] = { GLX_RGBA, GLX_DOUBLEBUFFER,
GLX_RED_SIZE, 8,
GLX_GREEN_SIZE, 8,
GLX_BLUE_SIZE, 8,
GLX_DEPTH_SIZE, 24,
GLX_SAMPLE_BUFFERS_ARB, g_Config.iMultisampleMode, GLX_SAMPLES_ARB, 1, None };
dpy = XOpenDisplay(0);
g_VideoInitialize.pWindowHandle = (HWND)dpy;
screen = DefaultScreen(dpy);
fs = g_Config.bFullscreen; //Set to setting in Options
/* get an appropriate visual */
vi = glXChooseVisual(dpy, screen, attrListDbl);
if (vi == NULL) {
vi = glXChooseVisual(dpy, screen, attrListSgl);
doubleBuffered = False;
ERROR_LOG("Only Singlebuffered Visual!\n");
} else {
doubleBuffered = True;
ERROR_LOG("Got Doublebuffered Visual!\n");
}
glXQueryVersion(dpy, &glxMajorVersion, &glxMinorVersion);
ERROR_LOG("glX-Version %d.%d\n", glxMajorVersion, glxMinorVersion);
/* create a GLX context */
ctx = glXCreateContext(dpy, vi, 0, GL_TRUE);
if(!ctx) {
ERROR_LOG("Couldn't Create GLX context.Quit");
exit(0); // TODO: Don't bring down entire Emu
}
/* create a color map */
cmap = XCreateColormap(dpy, RootWindow(dpy, vi->screen),
vi->visual, AllocNone);
attr.colormap = cmap;
attr.border_pixel = 0;
// get a connection
XF86VidModeQueryVersion(dpy, &vidModeMajorVersion, &vidModeMinorVersion);
if (fs) {
XF86VidModeModeInfo **modes = NULL;
int modeNum = 0;
int bestMode = 0;
// set best mode to current
bestMode = 0;
ERROR_LOG("XF86VidModeExtension-Version %d.%d\n", vidModeMajorVersion, vidModeMinorVersion);
XF86VidModeGetAllModeLines(dpy, screen, &modeNum, &modes);
if (modeNum > 0 && modes != NULL) {
/* save desktop-resolution before switching modes */
deskMode = *modes[0];
/* look for mode with requested resolution */
for (int i = 0; i < modeNum; i++) {
if ((modes[i]->hdisplay == _twidth) &&
(modes[i]->vdisplay == _theight)) {
bestMode = i;
}
}
XF86VidModeSwitchToMode(dpy, screen, modes[bestMode]);
XF86VidModeSetViewPort(dpy, screen, 0, 0);
dpyWidth = modes[bestMode]->hdisplay;
dpyHeight = modes[bestMode]->vdisplay;
ERROR_LOG("Resolution %dx%d\n", dpyWidth, dpyHeight);
XFree(modes);
/* create a fullscreen window */
attr.override_redirect = True;
attr.event_mask = ExposureMask | KeyPressMask | ButtonPressMask |
KeyReleaseMask | ButtonReleaseMask | StructureNotifyMask;
win = XCreateWindow(dpy, RootWindow(dpy, vi->screen), 0, 0,
dpyWidth, dpyHeight, 0, vi->depth, InputOutput,
vi->visual, CWBorderPixel | CWColormap |
CWEventMask | CWOverrideRedirect, &attr);
XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0);
XMapRaised(dpy, win);
XGrabKeyboard(dpy, win, True, GrabModeAsync,
GrabModeAsync, CurrentTime);
XGrabPointer(dpy, win, True, ButtonPressMask,
GrabModeAsync, GrabModeAsync, win, None, CurrentTime);
}
else {
ERROR_LOG("Failed to start fullscreen. If you received the \n"
"\"XFree86-VidModeExtension\" extension is missing, add\n"
"Load \"extmod\"\n"
"to your X configuration file (under the Module Section)\n");
fs = 0;
}
}
if (!fs) {
// create a window in window mode
attr.event_mask = ExposureMask | KeyPressMask | ButtonPressMask |
KeyReleaseMask | ButtonReleaseMask |
StructureNotifyMask | ResizeRedirectMask;
win = XCreateWindow(dpy, RootWindow(dpy, vi->screen), 0, 0, _twidth,
_theight, 0, vi->depth, InputOutput, vi->visual,
CWBorderPixel | CWColormap | CWEventMask, &attr);
// only set window title and handle wm_delete_events if in windowed mode
wmDelete = XInternAtom(dpy, "WM_DELETE_WINDOW", True);
XSetWMProtocols(dpy, win, &wmDelete, 1);
XSetStandardProperties(dpy, win, "GPU",
"GPU", None, NULL, 0, NULL);
XMapRaised(dpy, win);
}
}
X11Window::~X11Window() {
if (ctx) {
if (!glXMakeCurrent(dpy, None, NULL)) {
ERROR_LOG("Could not release drawing context.\n");
}
XUnmapWindow(dpy, win);
glXDestroyContext(dpy, ctx);
XCloseDisplay(dpy);
ctx = NULL;
}
/* switch back to original desktop resolution if we were in fs */
if (dpy != NULL) {
if (fs) {
XF86VidModeSwitchToMode(dpy, screen, &deskMode);
XF86VidModeSetViewPort(dpy, screen, 0, 0);
}
}
}
void X11Window::SwapBuffers() {
glXSwapBuffers(dpy, win);
}
void X11Window::SetWindowText(const char *text) {
/**
* Tell X to ask the window manager to set the window title. (X
* itself doesn't provide window title functionality.)
*/
XStoreName(dpy, win, text);
}
bool X11Window::PeekMessages() {
// TODO: implement
return false;
}
void X11Window::Update() {
// We just check all of our events here
XEvent event;
KeySym key;
static bool ShiftPressed = false;
static bool ControlPressed = false;
static int FKeyPressed = -1;
int x,y;
u32 w,h,depth;
int num_events;
for (num_events = XPending(dpy);num_events > 0;num_events--) {
XNextEvent(dpy, &event);
switch(event.type) {
case KeyRelease:
key = XLookupKeysym((XKeyEvent*)&event, 0);
if(key >= XK_F1 && key <= XK_F9) {
g_VideoInitialize.pKeyPress(FKeyPressed, ShiftPressed, ControlPressed);
FKeyPressed = -1;
} else {
if(key == XK_Shift_L || key == XK_Shift_R)
ShiftPressed = false;
else if(key == XK_Control_L || key == XK_Control_R)
ControlPressed = false;
else
XPutBackEvent(dpy, &event);
}
break;
case KeyPress:
key = XLookupKeysym((XKeyEvent*)&event, 0);
if(key >= XK_F1 && key <= XK_F9)
FKeyPressed = key - 0xff4e;
else {
if(key == XK_Shift_L || key == XK_Shift_R)
ShiftPressed = true;
else if(key == XK_Control_L || key == XK_Control_R)
ControlPressed = true;
else
XPutBackEvent(dpy, &event);
}
break;
case ButtonPress:
case ButtonRelease:
XPutBackEvent(dpy, &event);
break;
case ConfigureNotify:
Window winDummy;
unsigned int borderDummy;
XGetGeometry(dpy, win, &winDummy, &x, &y,
&w, &h, &borderDummy, &depth);
SetSize(w, h);
nBackbufferWidth = w;
nBackbufferHeight = h;
break;
case ClientMessage: //TODO: We aren't reading this correctly, It could be anything, highest chance is that it's a close event though
Video_Shutdown(); // Calling from here since returning false does nothing
return;
break;
default:
//TODO: Should we put the event back if we don't handle it?
// I think we handle all the needed ones, the rest shouldn't matter
// But to be safe, let's but them back anyway
//XPutBackEvent(dpy, &event);
break;
}
}
return;
}
bool X11Window::MakeCurrent() {
Window winDummy;
unsigned int borderDummy;
int x,y;
u32 w,h,depth;
// connect the glx-context to the window
glXMakeCurrent(dpy, win, ctx);
XGetGeometry(dpy, win, &winDummy, &x, &y,
&w, &h, &borderDummy, &depth);
SetSize(w, h);
ERROR_LOG("GLWin Depth %d", depth);
if (glXIsDirect(dpy, ctx))
ERROR_LOG("you have Direct Rendering!");
else
ERROR_LOG("no Direct Rendering possible!");
// better for pad plugin key input (thc)
XSelectInput(dpy, win, ExposureMask | KeyPressMask | ButtonPressMask |
KeyReleaseMask | ButtonReleaseMask | StructureNotifyMask |
EnterWindowMask | LeaveWindowMask | FocusChangeMask);
return true;
}