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Ripped out horribly broken refresh rate mess.

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master
Camilla Berglund ago%!(EXTRA string=13 years)
parent 23c6def880
commit 52dac79219
13 changed files with 61 additions and 252 deletions
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  1. 28
      include/GL/glfw3.h
  2. 17
      src/cocoa_monitor.m
  3. 2
      src/cocoa_platform.h
  4. 15
      src/cocoa_window.m
  5. 4
      src/internal.h
  6. 50
      src/win32_monitor.c
  7. 6
      src/win32_platform.h
  8. 27
      src/win32_window.c
  9. 19
      src/window.c
  10. 47
      src/x11_monitor.c
  11. 6
      src/x11_platform.h
  12. 39
      src/x11_window.c
  13. 1
      tests/defaults.c

28
include/GL/glfw3.h
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@ -500,44 +500,40 @@ extern "C" {
* @see glfwWindowHint
*/
#define GLFW_STENCIL_BITS 0x00021005
/*! @brief The monitor refresh rate.
* @see glfwWindowHint glfwGetWindowParam
*/
#define GLFW_REFRESH_RATE 0x00021006
/*! @brief The bit depth of the red component of the accumulation buffer.
* @see glfwWindowHint
*/
#define GLFW_ACCUM_RED_BITS 0x00021007
#define GLFW_ACCUM_RED_BITS 0x00021006
/*! @brief The bit depth of the red component of the accumulation buffer.
* @see glfwWindowHint
*/
#define GLFW_ACCUM_GREEN_BITS 0x00021008
#define GLFW_ACCUM_GREEN_BITS 0x00021007
/*! @brief The bit depth of the red component of the accumulation buffer.
* @see glfwWindowHint
*/
#define GLFW_ACCUM_BLUE_BITS 0x00021009
#define GLFW_ACCUM_BLUE_BITS 0x00021008
/*! @brief The bit depth of the red component of the accumulation buffer.
* @see glfwWindowHint
*/
#define GLFW_ACCUM_ALPHA_BITS 0x0002100A
#define GLFW_ACCUM_ALPHA_BITS 0x00021009
/*! @brief The number of auxiliary buffers.
* @see glfwWindowHint
*/
#define GLFW_AUX_BUFFERS 0x0002100B
#define GLFW_AUX_BUFFERS 0x0002100A
/*! @brief @c GL_TRUE for stereo rendering, or @c GL_FALSE otherwise.
* @see glfwWindowHint
*/
#define GLFW_STEREO 0x0002100C
#define GLFW_STEREO 0x0002100B
/*! @brief The number of samples used for default framebuffer multisampling, or
* zero to disable multisampling.
* @see glfwWindowHint
*/
#define GLFW_FSAA_SAMPLES 0x0002100E
#define GLFW_FSAA_SAMPLES 0x0002100C
/*! @brief @c GL_TRUE if the framebuffer should be sRGB capable, or @c GL_FALSE
* otherwise.
* @see glfwWindowHint
*/
#define GLFW_SRGB_CAPABLE 0x0002100F
#define GLFW_SRGB_CAPABLE 0x0002100D
/*! @brief The @link clients client API @endlink to create a context for.
* @see glfwWindowHint glfwGetWindowParam
@ -1146,11 +1142,6 @@ GLFWAPI void glfwDefaultWindowHints(void);
* specify the desired bit depths of the various components of the default
* framebuffer.
*
* The @ref GLFW_REFRESH_RATE hint specifies the desired monitor refresh rate,
* in Hz, of the video mode for a fullscreen window, or zero to let the system
* choose a suitable refresh rate. If a windowed mode window is created, this
* hint is ignored.
*
* The @ref GLFW_ACCUM_RED_BITS, @ref GLFW_ACCUM_GREEN_BITS, @ref
* GLFW_ACCUM_BLUE_BITS and @ref GLFW_ACCUM_ALPHA_BITS hints specify the
* desired bit depths of the various components of the accumulation buffer.
@ -1400,9 +1391,6 @@ GLFWAPI GLFWmonitor glfwGetWindowMonitor(GLFWwindow window);
* The @ref GLFW_CLOSE_REQUESTED property indicates whether the window has been
* requested by the user to close.
*
* The @ref GLFW_REFRESH_RATE property will be replaced when the @c
* multi-monitor branch is merged.
*
* The @ref GLFW_POSITION_X and @ref GLFW_POSITION_Y properties indicate the
* screen position, in pixels, of the upper-left corner of the window's client
* area.

17
src/cocoa_monitor.m
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@ -139,13 +139,12 @@ static GLFWvidmode vidmodeFromCGDisplayMode(CGDisplayModeRef mode)
// Change the current video mode
//========================================================================
GLboolean _glfwSetVideoMode(int* width, int* height, int* bpp, int* refreshRate)
GLboolean _glfwSetVideoMode(int* width, int* height, int* bpp)
{
CGDisplayModeRef bestMode = NULL;
CFArrayRef modes;
CFIndex count, i;
unsigned int leastSizeDiff = UINT_MAX;
double leastRateDiff = DBL_MAX;
modes = CGDisplayCopyAllDisplayModes(CGMainDisplayID(), NULL);
count = CFArrayGetCount(modes);
@ -177,23 +176,11 @@ GLboolean _glfwSetVideoMode(int* width, int* height, int* bpp, int* refreshRate)
((modeWidth - *width) * (modeWidth - *width) +
(modeHeight - *height) * (modeHeight - *height));
double rateDiff;
if (*refreshRate > 0)
rateDiff = fabs(CGDisplayModeGetRefreshRate(mode) - *refreshRate);
else
{
// If no refresh rate was specified, then they're all the same
rateDiff = 0;
}
if ((sizeDiff < leastSizeDiff) ||
(sizeDiff == leastSizeDiff && (rateDiff < leastRateDiff)))
if (sizeDiff < leastSizeDiff)
{
bestMode = mode;
leastSizeDiff = sizeDiff;
leastRateDiff = rateDiff;
}
}

2
src/cocoa_platform.h
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@ -114,7 +114,7 @@ void _glfwInitJoysticks(void);
void _glfwTerminateJoysticks(void);
// Fullscreen
GLboolean _glfwSetVideoMode(int* width, int* height, int* bpp, int* refreshRate);
GLboolean _glfwSetVideoMode(int* width, int* height, int* bpp);
void _glfwRestoreVideoMode(void);
// OpenGL support

15
src/cocoa_window.m
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@ -772,13 +772,8 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
{
int bpp = colorBits + fbconfig->alphaBits;
if (!_glfwSetVideoMode(&window->width,
&window->height,
&bpp,
&window->refreshRate))
{
if (!_glfwSetVideoMode(&window->width, &window->height, &bpp))
return GL_FALSE;
}
_glfwPlatformShowWindow(window);
[[window->NS.object contentView] enterFullScreenMode:[NSScreen mainScreen]
@ -885,14 +880,6 @@ void _glfwPlatformHideWindow(_GLFWwindow* window)
_glfwInputWindowVisibility(window, GL_FALSE);
}
//========================================================================
// Write back window parameters into GLFW window structure
//========================================================================
void _glfwPlatformRefreshWindowParams(_GLFWwindow* window)
{
}
//========================================================================
// Poll for new window and input events

4
src/internal.h
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@ -91,7 +91,6 @@ struct _GLFWhints
int alphaBits;
int depthBits;
int stencilBits;
int refreshRate;
int accumRedBits;
int accumGreenBits;
int accumBlueBits;
@ -123,7 +122,6 @@ struct _GLFWhints
struct _GLFWwndconfig
{
const char* title;
int refreshRate;
GLboolean resizable;
GLboolean visible;
int positionX;
@ -182,7 +180,6 @@ struct _GLFWwindow
int mode; // GLFW_WINDOWED or GLFW_FULLSCREEN
GLboolean resizable; // GL_TRUE if user may resize this window
GLboolean visible; // GL_TRUE if this window is visible
int refreshRate; // monitor refresh rate
void* userPointer;
_GLFWmonitor* monitor;
@ -341,7 +338,6 @@ void _glfwPlatformMakeContextCurrent(_GLFWwindow* window);
_GLFWwindow* _glfwPlatformGetCurrentContext(void);
void _glfwPlatformSwapBuffers(_GLFWwindow* window);
void _glfwPlatformSwapInterval(int interval);
void _glfwPlatformRefreshWindowParams(_GLFWwindow* window);
int _glfwPlatformExtensionSupported(const char* extension);
GLFWglproc _glfwPlatformGetProcAddress(const char* procname);

50
src/win32_monitor.c
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@ -45,19 +45,18 @@
//========================================================================
// Return closest video mode by dimensions, refresh rate and bits per pixel
// Return closest video mode by dimensions and bits per pixel
//========================================================================
static GLboolean getClosestVideoMode(int* width, int* height,
int* bpp, int* refreshRate,
GLboolean exactBPP)
int* bpp, GLboolean exactBPP)
{
int mode, bestWidth = 0, bestHeight = 0, bestBPP = 0, bestRate = 0;
unsigned int sizeDiff, rateDiff, leastSizeDiff, leastRateDiff;
int mode, bestWidth = 0, bestHeight = 0, bestBPP = 0;
unsigned int sizeDiff, leastSizeDiff;
GLboolean foundMode = GL_FALSE;
DEVMODE dm;
leastSizeDiff = leastRateDiff = UINT_MAX;
leastSizeDiff = UINT_MAX;
for (mode = 0; ; mode++)
{
@ -74,29 +73,15 @@ static GLboolean getClosestVideoMode(int* width, int* height,
(dm.dmPelsHeight - *height) *
(dm.dmPelsHeight - *height));
if (*refreshRate > 0)
{
rateDiff = (dm.dmDisplayFrequency - *refreshRate) *
(dm.dmDisplayFrequency - *refreshRate);
}
else
{
// If no refresh rate was specified, then they're all the same
rateDiff = 0;
}
// We match BPP first, then screen area
// We match first BPP, then screen area and last refresh rate
if ((sizeDiff < leastSizeDiff) ||
(sizeDiff == leastSizeDiff && (rateDiff < leastRateDiff)))
if ((sizeDiff < leastSizeDiff) || (sizeDiff == leastSizeDiff))
{
bestWidth = dm.dmPelsWidth;
bestHeight = dm.dmPelsHeight;
bestBPP = dm.dmBitsPerPel;
bestRate = dm.dmDisplayFrequency;
leastSizeDiff = sizeDiff;
leastRateDiff = rateDiff;
foundMode = GL_TRUE;
}
@ -109,11 +94,6 @@ static GLboolean getClosestVideoMode(int* width, int* height,
*height = bestHeight;
*bpp = bestBPP;
// Only save the found refresh rate if the client requested a specific
// rate; otherwise keep it at zero to let Windows select the best rate
if (*refreshRate > 0)
*refreshRate = bestRate;
return GL_TRUE;
}
@ -127,19 +107,17 @@ static GLboolean getClosestVideoMode(int* width, int* height,
//========================================================================
void _glfwSetVideoMode(int* width, int* height,
int* bpp, int* refreshRate,
GLboolean exactBPP)
int* bpp, GLboolean exactBPP)
{
DEVMODE dm;
int closestWidth, closestHeight, closestBPP, closestRate;
int closestWidth, closestHeight, closestBPP;
closestWidth = *width;
closestHeight = *height;
closestBPP = *bpp;
closestRate = *refreshRate;
if (getClosestVideoMode(&closestWidth, &closestHeight,
&closestBPP, &closestRate, exactBPP))
&closestBPP, exactBPP))
{
dm.dmSize = sizeof(DEVMODE);
dm.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL;
@ -147,18 +125,11 @@ void _glfwSetVideoMode(int* width, int* height,
dm.dmPelsHeight = closestHeight;
dm.dmBitsPerPel = closestBPP;
if (*refreshRate > 0)
{
dm.dmFields |= DM_DISPLAYFREQUENCY;
dm.dmDisplayFrequency = closestRate;
}
if (ChangeDisplaySettings(&dm, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL)
{
*width = closestWidth;
*height = closestHeight;
*bpp = closestBPP;
*refreshRate = closestRate;
}
}
else
@ -169,7 +140,6 @@ void _glfwSetVideoMode(int* width, int* height,
*width = dm.dmPelsWidth;
*height = dm.dmPelsHeight;
*bpp = dm.dmBitsPerPel;
*refreshRate = dm.dmDisplayFrequency;
}
}

6
src/win32_platform.h
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@ -146,7 +146,6 @@ typedef struct _GLFWwindowWin32
DWORD dwExStyle; // --"--
// Various platform specific internal variables
int desiredRefreshRate; // Desired vertical monitor refresh rate
GLboolean cursorCentered;
GLboolean cursorInside;
int oldCursorX, oldCursorY;
@ -169,7 +168,6 @@ typedef struct _GLFWlibraryWin32
int width;
int height;
int bitsPerPixel;
int refreshRate;
} monitor;
// Timer data
@ -227,9 +225,7 @@ int _glfwAnalyzeContext(const _GLFWwindow* window,
const _GLFWfbconfig* fbconfig);
// Fullscreen support
void _glfwSetVideoMode(int* width, int* height,
int* bpp, int* refreshRate,
GLboolean exactBPP);
void _glfwSetVideoMode(int* width, int* height, int* bpp, GLboolean exactBPP);
void _glfwRestoreVideoMode(void);

27
src/win32_window.c
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@ -377,7 +377,6 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
_glfwSetVideoMode(&_glfwLibrary.Win32.monitor.width,
&_glfwLibrary.Win32.monitor.height,
&_glfwLibrary.Win32.monitor.bitsPerPixel,
&_glfwLibrary.Win32.monitor.refreshRate,
GL_TRUE);
_glfwLibrary.Win32.monitor.modeChanged = GL_TRUE;
@ -868,8 +867,6 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
{
int status;
window->Win32.desiredRefreshRate = wndconfig->refreshRate;
if (!_glfwLibrary.Win32.classAtom)
{
_glfwLibrary.Win32.classAtom = registerWindowClass();
@ -885,13 +882,11 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
_glfwLibrary.Win32.monitor.width = window->width;
_glfwLibrary.Win32.monitor.height = window->height;
_glfwLibrary.Win32.monitor.refreshRate = wndconfig->refreshRate;
_glfwLibrary.Win32.monitor.bitsPerPixel = bpp;
_glfwSetVideoMode(&_glfwLibrary.Win32.monitor.width,
&_glfwLibrary.Win32.monitor.height,
&_glfwLibrary.Win32.monitor.bitsPerPixel,
&_glfwLibrary.Win32.monitor.refreshRate,
GL_FALSE);
_glfwLibrary.Win32.monitor.modeChanged = GL_TRUE;
@ -1069,28 +1064,6 @@ void _glfwPlatformHideWindow(_GLFWwindow* window)
}
//========================================================================
// Write back window parameters into GLFW window structure
//========================================================================
void _glfwPlatformRefreshWindowParams(_GLFWwindow* window)
{
DEVMODE dm;
ZeroMemory(&dm, sizeof(DEVMODE));
dm.dmSize = sizeof(DEVMODE);
if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dm))
{
window->refreshRate = dm.dmDisplayFrequency;
if (window->refreshRate <= 1)
window->refreshRate = 0;
}
else
window->refreshRate = 0;
}
//========================================================================
// Poll for new window and input events
//========================================================================

19
src/window.c
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@ -242,7 +242,6 @@ GLFWAPI GLFWwindow glfwCreateWindow(int width, int height,
// Set up desired window config
wndconfig.title = title;
wndconfig.refreshRate = Max(_glfwLibrary.hints.refreshRate, 0);
wndconfig.resizable = _glfwLibrary.hints.resizable ? GL_TRUE : GL_FALSE;
wndconfig.visible = _glfwLibrary.hints.visible ? GL_TRUE : GL_FALSE;
wndconfig.positionX = _glfwLibrary.hints.positionX;
@ -295,9 +294,6 @@ GLFWAPI GLFWwindow glfwCreateWindow(int width, int height,
return GL_FALSE;
}
// Cache the actual (as opposed to requested) window parameters
_glfwPlatformRefreshWindowParams(window);
glfwMakeContextCurrent(window);
// Cache the actual (as opposed to requested) context parameters
@ -404,9 +400,6 @@ GLFWAPI void glfwWindowHint(int target, int hint)
case GLFW_STENCIL_BITS:
_glfwLibrary.hints.stencilBits = hint;
break;
case GLFW_REFRESH_RATE:
_glfwLibrary.hints.refreshRate = hint;
break;
case GLFW_ACCUM_RED_BITS:
_glfwLibrary.hints.accumRedBits = hint;
break;
@ -593,13 +586,6 @@ GLFWAPI void glfwSetWindowSize(GLFWwindow handle, int width, int height)
return;
_glfwPlatformSetWindowSize(window, width, height);
if (window->monitor)
{
// Refresh window parameters (may have changed due to changed video
// modes)
_glfwPlatformRefreshWindowParams(window);
}
}
@ -642,9 +628,6 @@ GLFWAPI void glfwRestoreWindow(GLFWwindow handle)
return;
_glfwPlatformRestoreWindow(window);
if (window->monitor)
_glfwPlatformRefreshWindowParams(window);
}
@ -712,8 +695,6 @@ GLFWAPI int glfwGetWindowParam(GLFWwindow handle, int param)
return window->iconified;
case GLFW_CLOSE_REQUESTED:
return window->closeRequested;
case GLFW_REFRESH_RATE:
return window->refreshRate;
case GLFW_RESIZABLE:
return window->resizable;
case GLFW_VISIBLE:

47
src/x11_monitor.c
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@ -43,7 +43,7 @@
// Finds the video mode closest in size to the specified desired size
//========================================================================
int _glfwGetClosestVideoMode(int* width, int* height, int* rate)
int _glfwGetClosestVideoMode(int* width, int* height)
{
int i, match, bestmatch;
@ -51,8 +51,6 @@ int _glfwGetClosestVideoMode(int* width, int* height, int* rate)
{
#if defined(_GLFW_HAS_XRANDR)
int sizecount, bestsize;
int ratecount, bestrate;
short* ratelist;
XRRScreenConfiguration* sc;
XRRScreenSize* sizelist;
@ -81,26 +79,6 @@ int _glfwGetClosestVideoMode(int* width, int* height, int* rate)
// Report width & height of best matching mode
*width = sizelist[bestsize].width;
*height = sizelist[bestsize].height;
if (*rate > 0)
{
ratelist = XRRConfigRates(sc, bestsize, &ratecount);
bestrate = -1;
bestmatch = INT_MAX;
for (i = 0; i < ratecount; i++)
{
match = abs(ratelist[i] - *rate);
if (match < bestmatch)
{
bestmatch = match;
bestrate = ratelist[i];
}
}
if (bestrate != -1)
*rate = bestrate;
}
}
XRRFreeScreenConfigInfo(sc);
@ -122,7 +100,7 @@ int _glfwGetClosestVideoMode(int* width, int* height, int* rate)
// Change the current video mode
//========================================================================
void _glfwSetVideoModeMODE(int mode, int rate)
void _glfwSetVideoModeMODE(int mode)
{
if (_glfwLibrary.X11.RandR.available)
{
@ -145,27 +123,12 @@ void _glfwSetVideoModeMODE(int mode, int rate)
_glfwLibrary.X11.FS.modeChanged = GL_TRUE;
}
if (rate > 0)
{
// Set desired configuration
XRRSetScreenConfigAndRate(_glfwLibrary.X11.display,
sc,
root,
mode,
RR_Rotate_0,
(short) rate,
CurrentTime);
}
else
{
// Set desired configuration
XRRSetScreenConfig(_glfwLibrary.X11.display,
sc,
root,
mode,
RR_Rotate_0,
CurrentTime);
}
XRRFreeScreenConfigInfo(sc);
#endif /*_GLFW_HAS_XRANDR*/
@ -177,15 +140,15 @@ void _glfwSetVideoModeMODE(int mode, int rate)
// Change the current video mode
//========================================================================
void _glfwSetVideoMode(int* width, int* height, int* rate)
void _glfwSetVideoMode(int* width, int* height)
{
int bestmode;
// Find a best match mode
bestmode = _glfwGetClosestVideoMode(width, height, rate);
bestmode = _glfwGetClosestVideoMode(width, height);
// Change mode
_glfwSetVideoModeMODE(bestmode, *rate);
_glfwSetVideoModeMODE(bestmode);
}

6
src/x11_platform.h
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@ -252,9 +252,9 @@ int _glfwCreateContext(_GLFWwindow* window,
void _glfwDestroyContext(_GLFWwindow* window);
// Fullscreen support
int _glfwGetClosestVideoMode(int* width, int* height, int* rate);
void _glfwSetVideoModeMODE(int mode, int rate);
void _glfwSetVideoMode(int* width, int* height, int* rate);
int _glfwGetClosestVideoMode(int* width, int* height);
void _glfwSetVideoModeMODE(int mode);
void _glfwSetVideoMode(int* width, int* height);
void _glfwRestoreVideoMode(void);
// Joystick input

39
src/x11_window.c
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@ -339,8 +339,7 @@ static void enterFullscreenMode(_GLFWwindow* window)
_glfwLibrary.X11.saver.changed = GL_TRUE;
}
_glfwSetVideoMode(&window->width, &window->height,
&window->refreshRate);
_glfwSetVideoMode(&window->width, &window->height);
if (_glfwLibrary.X11.hasEWMH &&
_glfwLibrary.X11.wmState != None &&
@ -855,8 +854,6 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig)
{
window->refreshRate = wndconfig->refreshRate;
if (!_glfwCreateContext(window, wndconfig, fbconfig))
return GL_FALSE;
@ -977,14 +974,12 @@ void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
{
int mode = 0, rate, sizeChanged = GL_FALSE;
rate = window->refreshRate;
int mode = 0, sizeChanged = GL_FALSE;
if (window->monitor)
{
// Get the closest matching video mode for the specified window size
mode = _glfwGetClosestVideoMode(&width, &height, &rate);
mode = _glfwGetClosestVideoMode(&width, &height);
}
if (!window->resizable)
@ -1012,8 +1007,7 @@ void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
sizeChanged = GL_TRUE;
}
// Change video mode, keeping current refresh rate
_glfwSetVideoModeMODE(mode, window->refreshRate);
_glfwSetVideoModeMODE(mode);
}
// Set window size (if not already changed)
@ -1089,31 +1083,6 @@ void _glfwPlatformHideWindow(_GLFWwindow* window)
}
//========================================================================
// Read back framebuffer parameters from the context
//========================================================================
void _glfwPlatformRefreshWindowParams(_GLFWwindow* window)
{
// Retrieve refresh rate if possible
if (_glfwLibrary.X11.RandR.available)
{
#if defined(_GLFW_HAS_XRANDR)
XRRScreenConfiguration* sc;
sc = XRRGetScreenInfo(_glfwLibrary.X11.display, _glfwLibrary.X11.root);
window->refreshRate = XRRConfigCurrentRate(sc);
XRRFreeScreenConfigInfo(sc);
#endif /*_GLFW_HAS_XRANDR*/
}
else
{
// Zero means unknown according to the GLFW spec
window->refreshRate = 0;
}
}
//========================================================================
// Poll for new window and input events
//========================================================================

1
tests/defaults.c
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@ -63,7 +63,6 @@ static ParamGL gl_params[] =
static ParamGLFW glfw_params[] =
{
{ GLFW_REFRESH_RATE, "refresh rate" },
{ GLFW_CONTEXT_VERSION_MAJOR, "Context version major" },
{ GLFW_CONTEXT_VERSION_MINOR, "Context version minor" },
{ GLFW_OPENGL_FORWARD_COMPAT, "OpenGL forward compatible" },

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