Splitting the X11-specific "freeglut_state.c" code into its own file
git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1055 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
fayjf
parent
7757664f12
commit
a200464a1a
@ -44,280 +44,13 @@
|
||||
extern int fgPlatformGlutGet ( GLenum eWhat );
|
||||
extern int fgPlatformGlutDeviceGet ( GLenum eWhat );
|
||||
extern int fgPlatformGlutLayerGet ( GLenum eWhat );
|
||||
|
||||
/* A helper function to check if a display mode is possible to use */
|
||||
#if TARGET_HOST_POSIX_X11
|
||||
GLXFBConfig* fgChooseFBConfig( int* numcfgs );
|
||||
#endif
|
||||
extern int *fgPlatformGlutGetModeValues(GLenum eWhat, int *size);
|
||||
|
||||
|
||||
/* -- LOCAL DEFINITIONS ---------------------------------------------------- */
|
||||
|
||||
/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
|
||||
|
||||
#if TARGET_HOST_POSIX_X11
|
||||
/*
|
||||
* Queries the GL context about some attributes
|
||||
*/
|
||||
static int fghGetConfig( int attribute )
|
||||
{
|
||||
int returnValue = 0;
|
||||
int result; /* Not checked */
|
||||
|
||||
if( fgStructure.CurrentWindow )
|
||||
result = glXGetFBConfigAttrib( fgDisplay.pDisplay.Display,
|
||||
*(fgStructure.CurrentWindow->Window.pContext.FBConfig),
|
||||
attribute,
|
||||
&returnValue );
|
||||
|
||||
return returnValue;
|
||||
}
|
||||
|
||||
int fgPlatformGlutGet ( GLenum eWhat )
|
||||
{
|
||||
int nsamples = 0;
|
||||
|
||||
switch( eWhat )
|
||||
{
|
||||
/*
|
||||
* The window/context specific queries are handled mostly by
|
||||
* fghGetConfig().
|
||||
*/
|
||||
case GLUT_WINDOW_NUM_SAMPLES:
|
||||
#ifdef GLX_VERSION_1_3
|
||||
glGetIntegerv(GL_SAMPLES, &nsamples);
|
||||
#endif
|
||||
return nsamples;
|
||||
|
||||
/*
|
||||
* The rest of GLX queries under X are general enough to use a macro to
|
||||
* check them
|
||||
*/
|
||||
# define GLX_QUERY(a,b) case a: return fghGetConfig( b );
|
||||
|
||||
GLX_QUERY( GLUT_WINDOW_RGBA, GLX_RGBA );
|
||||
GLX_QUERY( GLUT_WINDOW_DOUBLEBUFFER, GLX_DOUBLEBUFFER );
|
||||
GLX_QUERY( GLUT_WINDOW_BUFFER_SIZE, GLX_BUFFER_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_STENCIL_SIZE, GLX_STENCIL_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_DEPTH_SIZE, GLX_DEPTH_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_RED_SIZE, GLX_RED_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_GREEN_SIZE, GLX_GREEN_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_BLUE_SIZE, GLX_BLUE_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_ALPHA_SIZE, GLX_ALPHA_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_ACCUM_RED_SIZE, GLX_ACCUM_RED_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_ACCUM_GREEN_SIZE, GLX_ACCUM_GREEN_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_ACCUM_BLUE_SIZE, GLX_ACCUM_BLUE_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_ACCUM_ALPHA_SIZE, GLX_ACCUM_ALPHA_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_STEREO, GLX_STEREO );
|
||||
|
||||
# undef GLX_QUERY
|
||||
|
||||
/* Colormap size is handled in a bit different way than all the rest */
|
||||
case GLUT_WINDOW_COLORMAP_SIZE:
|
||||
if( (fghGetConfig( GLX_RGBA )) || (fgStructure.CurrentWindow == NULL) )
|
||||
{
|
||||
/*
|
||||
* We've got a RGBA visual, so there is no colormap at all.
|
||||
* The other possibility is that we have no current window set.
|
||||
*/
|
||||
return 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
const GLXFBConfig * fbconfig =
|
||||
fgStructure.CurrentWindow->Window.pContext.FBConfig;
|
||||
|
||||
XVisualInfo * visualInfo =
|
||||
glXGetVisualFromFBConfig( fgDisplay.pDisplay.Display, *fbconfig );
|
||||
|
||||
const int result = visualInfo->visual->map_entries;
|
||||
|
||||
XFree(visualInfo);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/*
|
||||
* Those calls are somewhat similiar, as they use XGetWindowAttributes()
|
||||
* function
|
||||
*/
|
||||
case GLUT_WINDOW_X:
|
||||
case GLUT_WINDOW_Y:
|
||||
case GLUT_WINDOW_BORDER_WIDTH:
|
||||
case GLUT_WINDOW_HEADER_HEIGHT:
|
||||
{
|
||||
int x, y;
|
||||
Window w;
|
||||
|
||||
if( fgStructure.CurrentWindow == NULL )
|
||||
return 0;
|
||||
|
||||
XTranslateCoordinates(
|
||||
fgDisplay.pDisplay.Display,
|
||||
fgStructure.CurrentWindow->Window.Handle,
|
||||
fgDisplay.pDisplay.RootWindow,
|
||||
0, 0, &x, &y, &w);
|
||||
|
||||
switch ( eWhat )
|
||||
{
|
||||
case GLUT_WINDOW_X: return x;
|
||||
case GLUT_WINDOW_Y: return y;
|
||||
}
|
||||
|
||||
if ( w == 0 )
|
||||
return 0;
|
||||
XTranslateCoordinates(
|
||||
fgDisplay.pDisplay.Display,
|
||||
fgStructure.CurrentWindow->Window.Handle,
|
||||
w, 0, 0, &x, &y, &w);
|
||||
|
||||
switch ( eWhat )
|
||||
{
|
||||
case GLUT_WINDOW_BORDER_WIDTH: return x;
|
||||
case GLUT_WINDOW_HEADER_HEIGHT: return y;
|
||||
}
|
||||
}
|
||||
|
||||
case GLUT_WINDOW_WIDTH:
|
||||
case GLUT_WINDOW_HEIGHT:
|
||||
{
|
||||
XWindowAttributes winAttributes;
|
||||
|
||||
if( fgStructure.CurrentWindow == NULL )
|
||||
return 0;
|
||||
XGetWindowAttributes(
|
||||
fgDisplay.pDisplay.Display,
|
||||
fgStructure.CurrentWindow->Window.Handle,
|
||||
&winAttributes
|
||||
);
|
||||
switch ( eWhat )
|
||||
{
|
||||
case GLUT_WINDOW_WIDTH: return winAttributes.width ;
|
||||
case GLUT_WINDOW_HEIGHT: return winAttributes.height ;
|
||||
}
|
||||
}
|
||||
|
||||
/* I do not know yet if there will be a fgChooseVisual() function for Win32 */
|
||||
case GLUT_DISPLAY_MODE_POSSIBLE:
|
||||
{
|
||||
/* We should not have to call fgChooseFBConfig again here. */
|
||||
GLXFBConfig * fbconfig;
|
||||
int isPossible;
|
||||
|
||||
fbconfig = fgChooseFBConfig(NULL);
|
||||
|
||||
if (fbconfig == NULL)
|
||||
{
|
||||
isPossible = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
isPossible = 1;
|
||||
XFree(fbconfig);
|
||||
}
|
||||
|
||||
return isPossible;
|
||||
}
|
||||
|
||||
/* This is system-dependant */
|
||||
case GLUT_WINDOW_FORMAT_ID:
|
||||
if( fgStructure.CurrentWindow == NULL )
|
||||
return 0;
|
||||
|
||||
return fghGetConfig( GLX_VISUAL_ID );
|
||||
|
||||
default:
|
||||
fgWarning( "glutGet(): missing enum handle %d", eWhat );
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
int fgPlatformGlutDeviceGet ( GLenum eWhat )
|
||||
{
|
||||
switch( eWhat )
|
||||
{
|
||||
case GLUT_HAS_KEYBOARD:
|
||||
/*
|
||||
* X11 has a core keyboard by definition, although it can
|
||||
* be present as a virtual/dummy keyboard. For now, there
|
||||
* is no reliable way to tell if a real keyboard is present.
|
||||
*/
|
||||
return 1;
|
||||
|
||||
/* X11 has a mouse by definition */
|
||||
case GLUT_HAS_MOUSE:
|
||||
return 1 ;
|
||||
|
||||
case GLUT_NUM_MOUSE_BUTTONS:
|
||||
/* We should be able to pass NULL when the last argument is zero,
|
||||
* but at least one X server has a bug where this causes a segfault.
|
||||
*
|
||||
* In XFree86/Xorg servers, a mouse wheel is seen as two buttons
|
||||
* rather than an Axis; "freeglut_main.c" expects this when
|
||||
* checking for a wheel event.
|
||||
*/
|
||||
{
|
||||
unsigned char map;
|
||||
int nbuttons = XGetPointerMapping(fgDisplay.pDisplay.Display, &map,0);
|
||||
return nbuttons;
|
||||
}
|
||||
|
||||
default:
|
||||
fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
|
||||
break;
|
||||
}
|
||||
|
||||
/* And now -- the failure. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
int fgPlatformGlutLayerGet( GLenum eWhat )
|
||||
{
|
||||
/*
|
||||
* This is easy as layers are not implemented ;-)
|
||||
*
|
||||
* XXX Can we merge the UNIX/X11 and WIN32 sections? Or
|
||||
* XXX is overlay support planned?
|
||||
*/
|
||||
switch( eWhat )
|
||||
{
|
||||
case GLUT_OVERLAY_POSSIBLE:
|
||||
return 0;
|
||||
|
||||
case GLUT_LAYER_IN_USE:
|
||||
return GLUT_NORMAL;
|
||||
|
||||
case GLUT_HAS_OVERLAY:
|
||||
return 0;
|
||||
|
||||
case GLUT_TRANSPARENT_INDEX:
|
||||
/*
|
||||
* Return just anything, which is always defined as zero
|
||||
*
|
||||
* XXX HUH?
|
||||
*/
|
||||
return 0;
|
||||
|
||||
case GLUT_NORMAL_DAMAGED:
|
||||
/* XXX Actually I do not know. Maybe. */
|
||||
return 0;
|
||||
|
||||
case GLUT_OVERLAY_DAMAGED:
|
||||
return -1;
|
||||
|
||||
default:
|
||||
fgWarning( "glutLayerGet(): missing enum handle %d", eWhat );
|
||||
break;
|
||||
}
|
||||
|
||||
/* And fail. That's good. Programs do love failing. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
|
||||
#endif
|
||||
|
||||
/* -- INTERFACE FUNCTIONS -------------------------------------------------- */
|
||||
|
||||
@ -574,112 +307,14 @@ int FGAPIENTRY glutLayerGet( GLenum eWhat )
|
||||
return -1;
|
||||
}
|
||||
|
||||
int * FGAPIENTRY glutGetModeValues(GLenum eWhat, int * size)
|
||||
int * FGAPIENTRY glutGetModeValues(GLenum eWhat, int *size)
|
||||
{
|
||||
int * array;
|
||||
|
||||
#if TARGET_HOST_POSIX_X11
|
||||
int attributes[9];
|
||||
GLXFBConfig * fbconfigArray; /* Array of FBConfigs */
|
||||
int fbconfigArraySize; /* Number of FBConfigs in the array */
|
||||
int attribute_name = 0;
|
||||
#endif
|
||||
int *array;
|
||||
|
||||
FREEGLUT_EXIT_IF_NOT_INITIALISED("glutGetModeValues");
|
||||
|
||||
array = NULL;
|
||||
*size = 0;
|
||||
|
||||
switch (eWhat)
|
||||
{
|
||||
#if TARGET_HOST_POSIX_X11
|
||||
case GLUT_AUX:
|
||||
case GLUT_MULTISAMPLE:
|
||||
|
||||
attributes[0] = GLX_BUFFER_SIZE;
|
||||
attributes[1] = GLX_DONT_CARE;
|
||||
|
||||
switch (eWhat)
|
||||
{
|
||||
case GLUT_AUX:
|
||||
/*
|
||||
FBConfigs are now sorted by increasing number of auxiliary
|
||||
buffers. We want at least one buffer.
|
||||
*/
|
||||
attributes[2] = GLX_AUX_BUFFERS;
|
||||
attributes[3] = 1;
|
||||
attributes[4] = None;
|
||||
|
||||
attribute_name = GLX_AUX_BUFFERS;
|
||||
|
||||
break;
|
||||
|
||||
|
||||
case GLUT_MULTISAMPLE:
|
||||
attributes[2] = GLX_AUX_BUFFERS;
|
||||
attributes[3] = GLX_DONT_CARE;
|
||||
attributes[4] = GLX_SAMPLE_BUFFERS;
|
||||
attributes[5] = 1;
|
||||
/*
|
||||
FBConfigs are now sorted by increasing number of samples per
|
||||
pixel. We want at least one sample.
|
||||
*/
|
||||
attributes[6] = GLX_SAMPLES;
|
||||
attributes[7] = 1;
|
||||
attributes[8] = None;
|
||||
|
||||
attribute_name = GLX_SAMPLES;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
fbconfigArray = glXChooseFBConfig(fgDisplay.pDisplay.Display,
|
||||
fgDisplay.pDisplay.Screen,
|
||||
attributes,
|
||||
&fbconfigArraySize);
|
||||
|
||||
if (fbconfigArray != NULL)
|
||||
{
|
||||
int * temp_array;
|
||||
int result; /* Returned by glXGetFBConfigAttrib. Not checked. */
|
||||
int previous_value;
|
||||
int i;
|
||||
|
||||
temp_array = malloc(sizeof(int) * fbconfigArraySize);
|
||||
previous_value = 0;
|
||||
|
||||
for (i = 0; i < fbconfigArraySize; i++)
|
||||
{
|
||||
int value;
|
||||
|
||||
result = glXGetFBConfigAttrib(fgDisplay.pDisplay.Display,
|
||||
fbconfigArray[i],
|
||||
attribute_name,
|
||||
&value);
|
||||
if (value > previous_value)
|
||||
{
|
||||
temp_array[*size] = value;
|
||||
previous_value = value;
|
||||
(*size)++;
|
||||
}
|
||||
}
|
||||
|
||||
array = malloc(sizeof(int) * (*size));
|
||||
for (i = 0; i < *size; i++)
|
||||
{
|
||||
array[i] = temp_array[i];
|
||||
}
|
||||
|
||||
free(temp_array);
|
||||
XFree(fbconfigArray);
|
||||
}
|
||||
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
array = fgPlatformGlutGetModeValues ( eWhat, size );
|
||||
|
||||
return array;
|
||||
}
|
||||
|
||||
@ -40,7 +40,6 @@
|
||||
/*
|
||||
* TODO BEFORE THE STABLE RELEASE:
|
||||
*
|
||||
* fgChooseFBConfig() -- OK, but what about glutInitDisplayString()?
|
||||
* fgSetupPixelFormat -- ignores the display mode settings
|
||||
* fgOpenWindow() -- check the Win32 version, -iconic handling!
|
||||
* fgCloseWindow() -- check the Win32 version
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
/*
|
||||
* freeglut_state_mswin.c
|
||||
*
|
||||
* The Windows-specific mouse cursor related stuff.
|
||||
* The Windows-specific state query methods.
|
||||
*
|
||||
* Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
|
||||
* Written by John F. Fay, <fayjf@sourceforge.net>
|
||||
@ -335,4 +335,9 @@ int fgPlatformGlutLayerGet( GLenum eWhat )
|
||||
}
|
||||
|
||||
|
||||
|
||||
/* MSwin does not currently have any Mode values? */
|
||||
int *fgPlatformGlutGetModeValues(GLenum eWhat, int *size)
|
||||
{
|
||||
*size = 0;
|
||||
return NULL;
|
||||
}
|
||||
@ -0,0 +1,406 @@
|
||||
/*
|
||||
* freeglut_state_x11.c
|
||||
*
|
||||
* X11-specific freeglut state query methods.
|
||||
*
|
||||
* Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
|
||||
* Written by John F. Fay, <fayjf@sourceforge.net>
|
||||
* Creation date: Sat Feb 4 2012
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||
* copy of this software and associated documentation files (the "Software"),
|
||||
* to deal in the Software without restriction, including without limitation
|
||||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
* and/or sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||||
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#include <GL/freeglut.h>
|
||||
#include "../Common/freeglut_internal.h"
|
||||
|
||||
/*
|
||||
* TODO BEFORE THE STABLE RELEASE:
|
||||
*
|
||||
* fgPlatformChooseFBConfig() -- OK, but what about glutInitDisplayString()?
|
||||
*/
|
||||
|
||||
/* A helper function to check if a display mode is possible to use */
|
||||
#if TARGET_HOST_POSIX_X11
|
||||
GLXFBConfig* fgPlatformChooseFBConfig( int* numcfgs );
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Queries the GL context about some attributes
|
||||
*/
|
||||
int fgPlatformGetConfig( int attribute )
|
||||
{
|
||||
int returnValue = 0;
|
||||
int result; /* Not checked */
|
||||
|
||||
if( fgStructure.CurrentWindow )
|
||||
result = glXGetFBConfigAttrib( fgDisplay.pDisplay.Display,
|
||||
*(fgStructure.CurrentWindow->Window.pContext.FBConfig),
|
||||
attribute,
|
||||
&returnValue );
|
||||
|
||||
return returnValue;
|
||||
}
|
||||
|
||||
int fgPlatformGlutGet ( GLenum eWhat )
|
||||
{
|
||||
int nsamples = 0;
|
||||
|
||||
switch( eWhat )
|
||||
{
|
||||
/*
|
||||
* The window/context specific queries are handled mostly by
|
||||
* fgPlatformGetConfig().
|
||||
*/
|
||||
case GLUT_WINDOW_NUM_SAMPLES:
|
||||
#ifdef GLX_VERSION_1_3
|
||||
glGetIntegerv(GL_SAMPLES, &nsamples);
|
||||
#endif
|
||||
return nsamples;
|
||||
|
||||
/*
|
||||
* The rest of GLX queries under X are general enough to use a macro to
|
||||
* check them
|
||||
*/
|
||||
# define GLX_QUERY(a,b) case a: return fgPlatformGetConfig( b );
|
||||
|
||||
GLX_QUERY( GLUT_WINDOW_RGBA, GLX_RGBA );
|
||||
GLX_QUERY( GLUT_WINDOW_DOUBLEBUFFER, GLX_DOUBLEBUFFER );
|
||||
GLX_QUERY( GLUT_WINDOW_BUFFER_SIZE, GLX_BUFFER_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_STENCIL_SIZE, GLX_STENCIL_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_DEPTH_SIZE, GLX_DEPTH_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_RED_SIZE, GLX_RED_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_GREEN_SIZE, GLX_GREEN_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_BLUE_SIZE, GLX_BLUE_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_ALPHA_SIZE, GLX_ALPHA_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_ACCUM_RED_SIZE, GLX_ACCUM_RED_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_ACCUM_GREEN_SIZE, GLX_ACCUM_GREEN_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_ACCUM_BLUE_SIZE, GLX_ACCUM_BLUE_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_ACCUM_ALPHA_SIZE, GLX_ACCUM_ALPHA_SIZE );
|
||||
GLX_QUERY( GLUT_WINDOW_STEREO, GLX_STEREO );
|
||||
|
||||
# undef GLX_QUERY
|
||||
|
||||
/* Colormap size is handled in a bit different way than all the rest */
|
||||
case GLUT_WINDOW_COLORMAP_SIZE:
|
||||
if( (fgPlatformGetConfig( GLX_RGBA )) || (fgStructure.CurrentWindow == NULL) )
|
||||
{
|
||||
/*
|
||||
* We've got a RGBA visual, so there is no colormap at all.
|
||||
* The other possibility is that we have no current window set.
|
||||
*/
|
||||
return 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
const GLXFBConfig * fbconfig =
|
||||
fgStructure.CurrentWindow->Window.pContext.FBConfig;
|
||||
|
||||
XVisualInfo * visualInfo =
|
||||
glXGetVisualFromFBConfig( fgDisplay.pDisplay.Display, *fbconfig );
|
||||
|
||||
const int result = visualInfo->visual->map_entries;
|
||||
|
||||
XFree(visualInfo);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/*
|
||||
* Those calls are somewhat similiar, as they use XGetWindowAttributes()
|
||||
* function
|
||||
*/
|
||||
case GLUT_WINDOW_X:
|
||||
case GLUT_WINDOW_Y:
|
||||
case GLUT_WINDOW_BORDER_WIDTH:
|
||||
case GLUT_WINDOW_HEADER_HEIGHT:
|
||||
{
|
||||
int x, y;
|
||||
Window w;
|
||||
|
||||
if( fgStructure.CurrentWindow == NULL )
|
||||
return 0;
|
||||
|
||||
XTranslateCoordinates(
|
||||
fgDisplay.pDisplay.Display,
|
||||
fgStructure.CurrentWindow->Window.Handle,
|
||||
fgDisplay.pDisplay.RootWindow,
|
||||
0, 0, &x, &y, &w);
|
||||
|
||||
switch ( eWhat )
|
||||
{
|
||||
case GLUT_WINDOW_X: return x;
|
||||
case GLUT_WINDOW_Y: return y;
|
||||
}
|
||||
|
||||
if ( w == 0 )
|
||||
return 0;
|
||||
XTranslateCoordinates(
|
||||
fgDisplay.pDisplay.Display,
|
||||
fgStructure.CurrentWindow->Window.Handle,
|
||||
w, 0, 0, &x, &y, &w);
|
||||
|
||||
switch ( eWhat )
|
||||
{
|
||||
case GLUT_WINDOW_BORDER_WIDTH: return x;
|
||||
case GLUT_WINDOW_HEADER_HEIGHT: return y;
|
||||
}
|
||||
}
|
||||
|
||||
case GLUT_WINDOW_WIDTH:
|
||||
case GLUT_WINDOW_HEIGHT:
|
||||
{
|
||||
XWindowAttributes winAttributes;
|
||||
|
||||
if( fgStructure.CurrentWindow == NULL )
|
||||
return 0;
|
||||
XGetWindowAttributes(
|
||||
fgDisplay.pDisplay.Display,
|
||||
fgStructure.CurrentWindow->Window.Handle,
|
||||
&winAttributes
|
||||
);
|
||||
switch ( eWhat )
|
||||
{
|
||||
case GLUT_WINDOW_WIDTH: return winAttributes.width ;
|
||||
case GLUT_WINDOW_HEIGHT: return winAttributes.height ;
|
||||
}
|
||||
}
|
||||
|
||||
/* I do not know yet if there will be a fgChooseVisual() function for Win32 */
|
||||
case GLUT_DISPLAY_MODE_POSSIBLE:
|
||||
{
|
||||
/* We should not have to call fgPlatformChooseFBConfig again here. */
|
||||
GLXFBConfig * fbconfig;
|
||||
int isPossible;
|
||||
|
||||
fbconfig = fgPlatformChooseFBConfig(NULL);
|
||||
|
||||
if (fbconfig == NULL)
|
||||
{
|
||||
isPossible = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
isPossible = 1;
|
||||
XFree(fbconfig);
|
||||
}
|
||||
|
||||
return isPossible;
|
||||
}
|
||||
|
||||
/* This is system-dependant */
|
||||
case GLUT_WINDOW_FORMAT_ID:
|
||||
if( fgStructure.CurrentWindow == NULL )
|
||||
return 0;
|
||||
|
||||
return fgPlatformGetConfig( GLX_VISUAL_ID );
|
||||
|
||||
default:
|
||||
fgWarning( "glutGet(): missing enum handle %d", eWhat );
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
int fgPlatformGlutDeviceGet ( GLenum eWhat )
|
||||
{
|
||||
switch( eWhat )
|
||||
{
|
||||
case GLUT_HAS_KEYBOARD:
|
||||
/*
|
||||
* X11 has a core keyboard by definition, although it can
|
||||
* be present as a virtual/dummy keyboard. For now, there
|
||||
* is no reliable way to tell if a real keyboard is present.
|
||||
*/
|
||||
return 1;
|
||||
|
||||
/* X11 has a mouse by definition */
|
||||
case GLUT_HAS_MOUSE:
|
||||
return 1 ;
|
||||
|
||||
case GLUT_NUM_MOUSE_BUTTONS:
|
||||
/* We should be able to pass NULL when the last argument is zero,
|
||||
* but at least one X server has a bug where this causes a segfault.
|
||||
*
|
||||
* In XFree86/Xorg servers, a mouse wheel is seen as two buttons
|
||||
* rather than an Axis; "freeglut_main.c" expects this when
|
||||
* checking for a wheel event.
|
||||
*/
|
||||
{
|
||||
unsigned char map;
|
||||
int nbuttons = XGetPointerMapping(fgDisplay.pDisplay.Display, &map,0);
|
||||
return nbuttons;
|
||||
}
|
||||
|
||||
default:
|
||||
fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
|
||||
break;
|
||||
}
|
||||
|
||||
/* And now -- the failure. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
int fgPlatformGlutLayerGet( GLenum eWhat )
|
||||
{
|
||||
/*
|
||||
* This is easy as layers are not implemented ;-)
|
||||
*
|
||||
* XXX Can we merge the UNIX/X11 and WIN32 sections? Or
|
||||
* XXX is overlay support planned?
|
||||
*/
|
||||
switch( eWhat )
|
||||
{
|
||||
case GLUT_OVERLAY_POSSIBLE:
|
||||
return 0;
|
||||
|
||||
case GLUT_LAYER_IN_USE:
|
||||
return GLUT_NORMAL;
|
||||
|
||||
case GLUT_HAS_OVERLAY:
|
||||
return 0;
|
||||
|
||||
case GLUT_TRANSPARENT_INDEX:
|
||||
/*
|
||||
* Return just anything, which is always defined as zero
|
||||
*
|
||||
* XXX HUH?
|
||||
*/
|
||||
return 0;
|
||||
|
||||
case GLUT_NORMAL_DAMAGED:
|
||||
/* XXX Actually I do not know. Maybe. */
|
||||
return 0;
|
||||
|
||||
case GLUT_OVERLAY_DAMAGED:
|
||||
return -1;
|
||||
|
||||
default:
|
||||
fgWarning( "glutLayerGet(): missing enum handle %d", eWhat );
|
||||
break;
|
||||
}
|
||||
|
||||
/* And fail. That's good. Programs do love failing. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
int *fgPlatformGlutGetModeValues(GLenum eWhat, int *size)
|
||||
{
|
||||
int *array;
|
||||
|
||||
int attributes[9];
|
||||
GLXFBConfig * fbconfigArray; /* Array of FBConfigs */
|
||||
int fbconfigArraySize; /* Number of FBConfigs in the array */
|
||||
int attribute_name = 0;
|
||||
|
||||
array = NULL;
|
||||
*size = 0;
|
||||
|
||||
switch (eWhat)
|
||||
{
|
||||
case GLUT_AUX:
|
||||
case GLUT_MULTISAMPLE:
|
||||
|
||||
attributes[0] = GLX_BUFFER_SIZE;
|
||||
attributes[1] = GLX_DONT_CARE;
|
||||
|
||||
switch (eWhat)
|
||||
{
|
||||
case GLUT_AUX:
|
||||
/*
|
||||
FBConfigs are now sorted by increasing number of auxiliary
|
||||
buffers. We want at least one buffer.
|
||||
*/
|
||||
attributes[2] = GLX_AUX_BUFFERS;
|
||||
attributes[3] = 1;
|
||||
attributes[4] = None;
|
||||
|
||||
attribute_name = GLX_AUX_BUFFERS;
|
||||
|
||||
break;
|
||||
|
||||
|
||||
case GLUT_MULTISAMPLE:
|
||||
attributes[2] = GLX_AUX_BUFFERS;
|
||||
attributes[3] = GLX_DONT_CARE;
|
||||
attributes[4] = GLX_SAMPLE_BUFFERS;
|
||||
attributes[5] = 1;
|
||||
/*
|
||||
FBConfigs are now sorted by increasing number of samples per
|
||||
pixel. We want at least one sample.
|
||||
*/
|
||||
attributes[6] = GLX_SAMPLES;
|
||||
attributes[7] = 1;
|
||||
attributes[8] = None;
|
||||
|
||||
attribute_name = GLX_SAMPLES;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
fbconfigArray = glXChooseFBConfig(fgDisplay.pDisplay.Display,
|
||||
fgDisplay.pDisplay.Screen,
|
||||
attributes,
|
||||
&fbconfigArraySize);
|
||||
|
||||
if (fbconfigArray != NULL)
|
||||
{
|
||||
int * temp_array;
|
||||
int result; /* Returned by glXGetFBConfigAttrib. Not checked. */
|
||||
int previous_value;
|
||||
int i;
|
||||
|
||||
temp_array = malloc(sizeof(int) * fbconfigArraySize);
|
||||
previous_value = 0;
|
||||
|
||||
for (i = 0; i < fbconfigArraySize; i++)
|
||||
{
|
||||
int value;
|
||||
|
||||
result = glXGetFBConfigAttrib(fgDisplay.pDisplay.Display,
|
||||
fbconfigArray[i],
|
||||
attribute_name,
|
||||
&value);
|
||||
if (value > previous_value)
|
||||
{
|
||||
temp_array[*size] = value;
|
||||
previous_value = value;
|
||||
(*size)++;
|
||||
}
|
||||
}
|
||||
|
||||
array = malloc(sizeof(int) * (*size));
|
||||
for (i = 0; i < *size; i++)
|
||||
{
|
||||
array[i] = temp_array[i];
|
||||
}
|
||||
|
||||
free(temp_array);
|
||||
XFree(fbconfigArray);
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return array;
|
||||
}
|
||||
|
||||
|
||||
@ -86,7 +86,7 @@
|
||||
* Chooses a visual basing on the current display mode settings
|
||||
*/
|
||||
|
||||
GLXFBConfig* fgChooseFBConfig( int *numcfgs )
|
||||
GLXFBConfig* fgPlatformChooseFBConfig( int *numcfgs )
|
||||
{
|
||||
GLboolean wantIndexedMode = GL_FALSE;
|
||||
int attributes[ 100 ];
|
||||
@ -451,7 +451,7 @@ void fgPlatformOpenWindow( SFG_Window* window, const char* title,
|
||||
if( window->IsMenu && ( ! fgStructure.MenuContext ) )
|
||||
fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB ;
|
||||
|
||||
window->Window.pContext.FBConfig = fgChooseFBConfig( &num_FBConfigs );
|
||||
window->Window.pContext.FBConfig = fgPlatformChooseFBConfig( &num_FBConfigs );
|
||||
|
||||
if( window->IsMenu && ( ! fgStructure.MenuContext ) )
|
||||
fgState.DisplayMode = current_DisplayMode ;
|
||||
@ -459,21 +459,21 @@ void fgPlatformOpenWindow( SFG_Window* window, const char* title,
|
||||
if( ! window->Window.pContext.FBConfig )
|
||||
{
|
||||
/*
|
||||
* The "fgChooseFBConfig" returned a null meaning that the visual
|
||||
* The "fgPlatformChooseFBConfig" returned a null meaning that the visual
|
||||
* context is not available.
|
||||
* Try a couple of variations to see if they will work.
|
||||
*/
|
||||
if( !( fgState.DisplayMode & GLUT_DOUBLE ) )
|
||||
{
|
||||
fgState.DisplayMode |= GLUT_DOUBLE ;
|
||||
window->Window.pContext.FBConfig = fgChooseFBConfig( &num_FBConfigs );
|
||||
window->Window.pContext.FBConfig = fgPlatformChooseFBConfig( &num_FBConfigs );
|
||||
fgState.DisplayMode &= ~GLUT_DOUBLE;
|
||||
}
|
||||
|
||||
if( fgState.DisplayMode & GLUT_MULTISAMPLE )
|
||||
{
|
||||
fgState.DisplayMode &= ~GLUT_MULTISAMPLE ;
|
||||
window->Window.pContext.FBConfig = fgChooseFBConfig( &num_FBConfigs );
|
||||
window->Window.pContext.FBConfig = fgPlatformChooseFBConfig( &num_FBConfigs );
|
||||
fgState.DisplayMode |= GLUT_MULTISAMPLE;
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user