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Made X11 resolution enumeration a separate function.

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This commit is contained in:
Camilla Berglund 2012-08-02 18:54:10 +02:00
parent 88fd170e64
commit b03e62f6ac
1 changed files with 100 additions and 80 deletions
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180
src/x11_fullscreen.c
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@ -35,6 +35,104 @@
#include <string.h> #include <string.h>
//------------------------------------------------------------------------
// Display resolution
//------------------------------------------------------------------------
typedef struct
{
int width;
int height;
} _GLFWvidsize;
//========================================================================
// List available resolutions
//========================================================================
static _GLFWvidsize* getResolutions(int* found)
{
int i, j;
_GLFWvidsize* result = NULL;
*found = 0;
// Build array of available resolutions
if (_glfwLibrary.X11.RandR.available)
{
#if defined(_GLFW_HAS_XRANDR)
XRRScreenConfiguration* sc;
XRRScreenSize* sizes;
sc = XRRGetScreenInfo(_glfwLibrary.X11.display, _glfwLibrary.X11.root);
sizes = XRRConfigSizes(sc, found);
result = (_GLFWvidsize*) malloc(sizeof(_GLFWvidsize) * *found);
for (i = 0; i < *found; i++)
{
result[i].width = sizes[i].width;
result[i].height = sizes[i].height;
}
XRRFreeScreenConfigInfo(sc);
#endif /*_GLFW_HAS_XRANDR*/
}
else if (_glfwLibrary.X11.VidMode.available)
{
#if defined(_GLFW_HAS_XF86VIDMODE)
XF86VidModeModeInfo** modes;
int modeCount;
XF86VidModeGetAllModeLines(_glfwLibrary.X11.display,
_glfwLibrary.X11.screen,
&modeCount, &modes);
result = (_GLFWvidsize*) malloc(sizeof(_GLFWvidsize) * modeCount);
for (i = 0; i < modeCount; i++)
{
_GLFWvidsize size;
size.width = modes[i]->hdisplay;
size.height = modes[i]->vdisplay;
for (j = 0; j < *found; j++)
{
if (memcmp(result + j, &size, sizeof(_GLFWvidsize)) == 0)
break;
}
if (j < *found)
{
// This size is a duplicate, so skip it
continue;
}
result[*found] = size;
(*found)++;
}
XFree(modes);
#endif /*_GLFW_HAS_XF86VIDMODE*/
}
if (result == NULL)
{
*found = 1;
result = (_GLFWvidsize*) malloc(sizeof(_GLFWvidsize));
result[0].width = DisplayWidth(_glfwLibrary.X11.display,
_glfwLibrary.X11.screen);
result[0].height = DisplayHeight(_glfwLibrary.X11.display,
_glfwLibrary.X11.screen);
}
return result;
}
////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////
////// GLFW internal API ////// ////// GLFW internal API //////
////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////
@ -326,12 +424,6 @@ void _glfwRestoreVideoMode(void)
////// GLFW platform API ////// ////// GLFW platform API //////
////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////
typedef struct
{
int width;
int height;
} _GLFWvidsize;
//======================================================================== //========================================================================
// List available video modes // List available video modes
@ -394,82 +486,10 @@ GLFWvidmode* _glfwPlatformGetVideoModes(int* found)
XFree(visuals); XFree(visuals);
sizeCount = 0;
sizes = NULL;
// Build array of available resolutions
if (_glfwLibrary.X11.RandR.available)
{
#if defined(_GLFW_HAS_XRANDR)
XRRScreenConfiguration* sc;
XRRScreenSize* rrSizes;
sc = XRRGetScreenInfo(_glfwLibrary.X11.display, _glfwLibrary.X11.root);
rrSizes = XRRConfigSizes(sc, &sizeCount);
sizes = (_GLFWvidsize*) malloc(sizeof(_GLFWvidsize) * sizeCount);
for (i = 0; i < sizeCount; i++)
{
sizes[i].width = rrSizes[i].width;
sizes[i].height = rrSizes[i].height;
}
XRRFreeScreenConfigInfo(sc);
#endif /*_GLFW_HAS_XRANDR*/
}
else if (_glfwLibrary.X11.VidMode.available)
{
#if defined(_GLFW_HAS_XF86VIDMODE)
XF86VidModeModeInfo** modes;
int modeCount;
XF86VidModeGetAllModeLines(_glfwLibrary.X11.display,
_glfwLibrary.X11.screen,
&modeCount, &modes);
sizes = (_GLFWvidsize*) malloc(sizeof(_GLFWvidsize) * modeCount);
for (i = 0; i < modeCount; i++)
{
_GLFWvidsize size;
size.width = modes[i]->hdisplay;
size.height = modes[i]->vdisplay;
for (j = 0; j < sizeCount; j++)
{
if (memcmp(sizes + j, &size, sizeof(_GLFWvidsize)) == 0)
break;
}
if (j < sizeCount)
{
// This size is a duplicate, so skip it
continue;
}
sizes[sizeCount] = size;
sizeCount++;
}
XFree(modes);
#endif /*_GLFW_HAS_XF86VIDMODE*/
}
if (!sizeCount)
{
sizeCount = 1;
sizes = (_GLFWvidsize*) malloc(sizeof(_GLFWvidsize));
sizes[0].width = DisplayWidth(_glfwLibrary.X11.display,
_glfwLibrary.X11.screen);
sizes[0].height = DisplayHeight(_glfwLibrary.X11.display,
_glfwLibrary.X11.screen);
}
// Build all permutations of channel depths and resolutions // Build all permutations of channel depths and resolutions
sizes = getResolutions(&sizeCount);
result = (GLFWvidmode*) malloc(sizeof(GLFWvidmode) * rgbCount * sizeCount); result = (GLFWvidmode*) malloc(sizeof(GLFWvidmode) * rgbCount * sizeCount);
*found = 0; *found = 0;