mirror of
https://github.com/glfw/glfw.git
synced 2024-11-29 15:44:35 +00:00
RandR monitor work.
Moved to CRTC plus usable output for native representation of monitors. Moved to CRTCs for mode setting and simplified mode setting interface.
This commit is contained in:
Camilla Berglund
parent
065858e185
commit
954d6383ee
@ -514,6 +514,12 @@ GLFWAPI void glfwSetWindowSize(GLFWwindow* handle, int width, int height)
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if (width == window->width && height == window->height)
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return;
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if (window->monitor)
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{
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window->videoMode.width = width;
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window->videoMode.height = height;
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}
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_glfwPlatformSetWindowSize(window, width, height);
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}
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@ -40,140 +40,105 @@
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//////////////////////////////////////////////////////////////////////////
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//========================================================================
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// Finds the video mode closest in size to the specified desired size
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// Set the current video mode for the specified monitor
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//========================================================================
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int _glfwGetClosestVideoMode(_GLFWmonitor* monitor, int* width, int* height)
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{
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int i, match, bestmatch;
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if (_glfw.x11.randr.available)
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{
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int sizecount, bestsize;
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XRRScreenConfiguration* sc;
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XRRScreenSize* sizelist;
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sc = XRRGetScreenInfo(_glfw.x11.display, _glfw.x11.root);
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sizelist = XRRConfigSizes(sc, &sizecount);
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// Find the best matching mode
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bestsize = -1;
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bestmatch = INT_MAX;
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for (i = 0; i < sizecount; i++)
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{
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match = (*width - sizelist[i].width) *
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(*width - sizelist[i].width) +
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(*height - sizelist[i].height) *
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(*height - sizelist[i].height);
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if (match < bestmatch)
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{
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bestmatch = match;
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bestsize = i;
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}
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}
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if (bestsize != -1)
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{
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// Report width & height of best matching mode
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*width = sizelist[bestsize].width;
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*height = sizelist[bestsize].height;
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}
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XRRFreeScreenConfigInfo(sc);
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if (bestsize != -1)
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return bestsize;
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}
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// Default: Simply use the screen resolution
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*width = DisplayWidth(_glfw.x11.display, _glfw.x11.screen);
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*height = DisplayHeight(_glfw.x11.display, _glfw.x11.screen);
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return 0;
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}
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//========================================================================
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// Change the current video mode
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//========================================================================
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void _glfwSetVideoModeMODE(_GLFWmonitor* monitor, int mode)
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void _glfwSetVideoMode(_GLFWmonitor* monitor, const GLFWvidmode* mode)
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{
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if (_glfw.x11.randr.available)
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{
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XRRScreenConfiguration* sc;
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Window root;
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int i, j, k;
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XRRScreenResources* sr;
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XRRCrtcInfo* ci;
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RRMode bestMode = 0;
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unsigned int leastSizeDiff = UINT_MAX;
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root = _glfw.x11.root;
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sc = XRRGetScreenInfo(_glfw.x11.display, root);
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sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root);
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ci = XRRGetCrtcInfo(_glfw.x11.display, sr, monitor->x11.crtc);
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// Remember old size and flag that we have changed the mode
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if (!monitor->x11.modeChanged)
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for (i = 0; i < sr->nmode; i++)
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{
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monitor->x11.oldSizeID = XRRConfigCurrentConfiguration(sc, &monitor->x11.oldRotation);
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monitor->x11.oldWidth = DisplayWidth(_glfw.x11.display,
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_glfw.x11.screen);
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monitor->x11.oldHeight = DisplayHeight(_glfw.x11.display,
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_glfw.x11.screen);
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GLboolean usable = GL_TRUE;
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XRRModeInfo* mi = sr->modes + i;
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monitor->x11.modeChanged = GL_TRUE;
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for (j = 0; j < ci->noutput; j++)
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{
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XRROutputInfo* oi = XRRGetOutputInfo(_glfw.x11.display,
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sr, ci->outputs[j]);
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for (k = 0; k < oi->nmode; k++)
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{
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if (oi->modes[k] == mi->id)
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break;
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}
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XRRSetScreenConfig(_glfw.x11.display,
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sc,
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root,
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mode,
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RR_Rotate_0,
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CurrentTime);
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if (k == oi->nmode)
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usable = GL_FALSE;
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XRRFreeScreenConfigInfo(sc);
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XRRFreeOutputInfo(oi);
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}
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if (!usable)
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continue;
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if (mi->modeFlags & RR_Interlace)
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continue;
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unsigned int sizeDiff = (mi->width - mode->width) *
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(mi->width - mode->width) +
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(mi->height - mode->height) *
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(mi->height - mode->height);
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if (sizeDiff < leastSizeDiff)
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{
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bestMode = mi->id;
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leastSizeDiff = sizeDiff;
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}
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}
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monitor->x11.oldMode = ci->mode;
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XRRSetCrtcConfig(_glfw.x11.display,
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sr, monitor->x11.crtc,
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CurrentTime,
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ci->x, ci->y,
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bestMode,
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ci->rotation,
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ci->outputs,
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ci->noutput);
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XRRFreeCrtcInfo(ci);
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XRRFreeScreenResources(sr);
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}
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}
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//========================================================================
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// Change the current video mode
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//========================================================================
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void _glfwSetVideoMode(_GLFWmonitor* monitor, int* width, int* height)
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{
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int bestmode;
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// Find a best match mode
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bestmode = _glfwGetClosestVideoMode(monitor, width, height);
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// Change mode
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_glfwSetVideoModeMODE(monitor, bestmode);
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}
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//========================================================================
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// Restore the previously saved (original) video mode
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// Restore the saved (original) video mode for the specified monitor
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//========================================================================
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void _glfwRestoreVideoMode(_GLFWmonitor* monitor)
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{
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if (!monitor->x11.modeChanged)
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return;
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if (_glfw.x11.randr.available)
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{
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XRRScreenConfiguration* sc;
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XRRScreenResources* sr;
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XRRCrtcInfo* ci;
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sc = XRRGetScreenInfo(_glfw.x11.display, _glfw.x11.root);
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sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root);
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ci = XRRGetCrtcInfo(_glfw.x11.display, sr, monitor->x11.crtc);
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XRRSetScreenConfig(_glfw.x11.display,
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sc,
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_glfw.x11.root,
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monitor->x11.oldSizeID,
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monitor->x11.oldRotation,
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CurrentTime);
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XRRSetCrtcConfig(_glfw.x11.display,
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sr, monitor->x11.crtc,
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CurrentTime,
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ci->x, ci->y,
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monitor->x11.oldMode,
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ci->rotation,
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ci->outputs,
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ci->noutput);
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XRRFreeScreenConfigInfo(sc);
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XRRFreeCrtcInfo(ci);
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XRRFreeScreenResources(sr);
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}
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monitor->x11.modeChanged = GL_FALSE;
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}
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@ -194,7 +159,6 @@ _GLFWmonitor** _glfwPlatformGetMonitors(int* found)
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XRRScreenResources* sr;
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sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root);
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primary = XRRGetOutputPrimary(_glfw.x11.display, _glfw.x11.root);
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monitors = (_GLFWmonitor**) calloc(sr->noutput, sizeof(_GLFWmonitor*));
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@ -206,37 +170,48 @@ _GLFWmonitor** _glfwPlatformGetMonitors(int* found)
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return NULL;
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}
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for (i = 0; i < sr->noutput; i++)
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for (i = 0; i < sr->ncrtc; i++)
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{
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int j;
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XRROutputInfo* oi;
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XRRCrtcInfo* ci;
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RROutput output;
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oi = XRRGetOutputInfo(_glfw.x11.display, sr, sr->outputs[i]);
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ci = XRRGetCrtcInfo(_glfw.x11.display, sr, sr->crtcs[i]);
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output = ci->outputs[i];
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for (j = 0; j < ci->noutput; j++)
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{
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if (ci->outputs[i] == primary)
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{
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output = primary;
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break;
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}
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}
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oi = XRRGetOutputInfo(_glfw.x11.display, sr, output);
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if (oi->connection != RR_Connected)
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{
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XRRFreeOutputInfo(oi);
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XRRFreeCrtcInfo(ci);
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continue;
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}
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ci = XRRGetCrtcInfo(_glfw.x11.display, sr, oi->crtc);
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monitors[*found] = _glfwCreateMonitor(oi->name,
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sr->outputs[i] == primary,
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output == primary,
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oi->mm_width, oi->mm_height,
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ci->x, ci->y);
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monitors[*found]->x11.output = output;
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monitors[*found]->x11.crtc = oi->crtc;
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XRRFreeOutputInfo(oi);
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XRRFreeCrtcInfo(ci);
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if (!monitors[*found])
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{
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// TODO: wat
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return NULL;
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}
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// This is retained until the monitor object is destroyed
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monitors[*found]->x11.output = oi;
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(*found)++;
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}
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XRRFreeScreenResources(sr);
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}
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else
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{
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@ -265,8 +240,6 @@ _GLFWmonitor** _glfwPlatformGetMonitors(int* found)
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void _glfwPlatformDestroyMonitor(_GLFWmonitor* monitor)
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{
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if (_glfw.x11.randr.available)
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XRRFreeOutputInfo(monitor->x11.output);
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}
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GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found)
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@ -283,25 +256,27 @@ GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found)
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if (_glfw.x11.randr.available)
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{
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int i, j;
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XRRScreenResources* sr;
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int i, j, count = monitor->x11.output->nmode;
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XRROutputInfo* oi;
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sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root);
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oi = XRRGetOutputInfo(_glfw.x11.display, sr, monitor->x11.output);
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result = (GLFWvidmode*) malloc(sizeof(GLFWvidmode) * count);
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result = (GLFWvidmode*) malloc(sizeof(GLFWvidmode) * oi->nmode);
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if (!result)
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{
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_glfwInputError(GLFW_OUT_OF_MEMORY, NULL);
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return NULL;
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}
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for (i = 0; i < count; i++)
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for (i = 0; i < oi->nmode; i++)
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{
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GLFWvidmode mode;
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for (j = 0; j < sr->nmode; j++)
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{
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if (sr->modes[j].id == monitor->x11.output->modes[i])
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if (sr->modes[j].id == oi->modes[i])
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break;
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}
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@ -334,6 +309,7 @@ GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found)
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(*found)++;
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}
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XRRFreeOutputInfo(oi);
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XRRFreeScreenResources(sr);
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}
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else
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@ -365,22 +341,7 @@ void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
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XRRCrtcInfo* ci;
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sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root);
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if (!sr)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"X11: Failed to retrieve RandR screen resources");
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return;
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}
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ci = XRRGetCrtcInfo(_glfw.x11.display, sr, monitor->x11.output->crtc);
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if (!ci)
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{
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XRRFreeScreenResources(sr);
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"X11: Failed to retrieve RandR crtc info");
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return;
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}
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ci = XRRGetCrtcInfo(_glfw.x11.display, sr, monitor->x11.crtc);
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mode->width = ci->width;
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mode->height = ci->height;
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@ -200,13 +200,9 @@ typedef struct _GLFWlibraryX11
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//------------------------------------------------------------------------
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typedef struct _GLFWmonitorX11
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{
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GLboolean modeChanged;
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XRROutputInfo* output;
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SizeID oldSizeID;
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int oldWidth;
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int oldHeight;
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Rotation oldRotation;
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RROutput output;
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RRCrtc crtc;
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RRMode oldMode;
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} _GLFWmonitorX11;
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@ -231,9 +227,7 @@ int _glfwCreateContext(_GLFWwindow* window,
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void _glfwDestroyContext(_GLFWwindow* window);
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// Fullscreen support
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int _glfwGetClosestVideoMode(_GLFWmonitor* monitor, int* width, int* height);
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void _glfwSetVideoModeMODE(_GLFWmonitor* monitor, int mode);
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void _glfwSetVideoMode(_GLFWmonitor* monitor, int* width, int* height);
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void _glfwSetVideoMode(_GLFWmonitor* monitor, const GLFWvidmode* mode);
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void _glfwRestoreVideoMode(_GLFWmonitor* monitor);
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// Joystick input
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@ -237,6 +237,9 @@ static GLboolean createWindow(_GLFWwindow* window,
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_glfwPlatformSetWindowTitle(window, wndconfig->title);
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XRRSelectInput(_glfw.x11.display, window->x11.handle,
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RRScreenChangeNotifyMask);
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return GL_TRUE;
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}
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@ -333,7 +336,7 @@ static void enterFullscreenMode(_GLFWwindow* window)
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_glfw.x11.saver.changed = GL_TRUE;
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}
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_glfwSetVideoMode(window->monitor, &window->width, &window->height);
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_glfwSetVideoMode(window->monitor, &window->videoMode);
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if (_glfw.x11.hasEWMH &&
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_glfw.x11.NET_WM_STATE != None &&
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@ -743,7 +746,6 @@ static void processEvent(XEvent *event)
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case RRScreenChangeNotify:
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{
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XRRUpdateConfiguration(event);
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_glfwInputMonitorChange();
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break;
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}
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}
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@ -893,13 +895,7 @@ void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
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void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
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{
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int mode = 0, sizeChanged = GL_FALSE;
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if (window->monitor)
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{
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// Get the closest matching video mode for the specified window size
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mode = _glfwGetClosestVideoMode(window->monitor, &width, &height);
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}
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GLboolean sizeChanged = GL_FALSE;
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if (!window->resizable)
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{
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@ -924,7 +920,7 @@ void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
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sizeChanged = GL_TRUE;
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}
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_glfwSetVideoModeMODE(window->monitor, mode);
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_glfwSetVideoMode(window->monitor, &window->videoMode);
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}
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// Set window size (if not already changed)
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