*/
#include <GL/freeglut.h>
-#include "../fg_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 */
-GLXFBConfig* fgPlatformChooseFBConfig( int* numcfgs );
-
-/*
- * 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;
-}
+#include "fg_internal.h"
+#ifdef EGL_VERSION_1_0
+#include "egl/fg_state_egl.h"
+#else
+#include "x11/fg_state_x11_glx.h"
+#endif
-int fgPlatformGlutGet ( GLenum eWhat )
+int fgPlatformGlutDeviceGet ( 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 );
+ 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;
-# undef GLX_QUERY
+ /* X11 has a mouse by definition */
+ case GLUT_HAS_MOUSE:
+ return 1 ;
- /* 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) )
+ 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.
+ */
{
- /*
- * 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;
+ unsigned char map;
+ int nbuttons = XGetPointerMapping(fgDisplay.pDisplay.Display, &map,0);
+ return nbuttons;
}
- else
- {
- const GLXFBConfig * fbconfig =
- fgStructure.CurrentWindow->Window.pContext.FBConfig;
- XVisualInfo * visualInfo =
- glXGetVisualFromFBConfig( fgDisplay.pDisplay.Display, *fbconfig );
+ default:
+ fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
+ break;
+ }
- const int result = visualInfo->visual->map_entries;
+ /* And now -- the failure. */
+ return -1;
+}
- XFree(visualInfo);
- return result;
- }
+int fgPlatformGlutGet ( GLenum eWhat )
+{
+ switch( eWhat )
+ {
/*
* Those calls are somewhat similiar, as they use XGetWindowAttributes()
case GLUT_WINDOW_HEADER_HEIGHT:
{
int x, y;
- Window w;
+ Window p,w;
if( fgStructure.CurrentWindow == NULL )
return 0;
+ if (fgStructure.CurrentWindow->Parent)
+ /* For child window, we should return relative to upper-left
+ * of parent's client area.
+ */
+ p = fgStructure.CurrentWindow->Parent->Window.Handle;
+ else
+ p = fgDisplay.pDisplay.RootWindow;
+
XTranslateCoordinates(
fgDisplay.pDisplay.Display,
fgStructure.CurrentWindow->Window.Handle,
- fgDisplay.pDisplay.RootWindow,
+ p,
0, 0, &x, &y, &w);
switch ( eWhat )
case GLUT_WINDOW_Y: return y;
}
- if ( w == 0 )
+ if ( w == 0 || fgStructure.CurrentWindow->Parent)
+ /* logic below needs w, and child windows don't have borders */
return 0;
XTranslateCoordinates(
fgDisplay.pDisplay.Display,
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
+
+ /* Colormap size is handled in a bit different way than all the rest */
+ case GLUT_WINDOW_COLORMAP_SIZE:
+ if(
+#ifndef EGL_VERSION_1_0
+ fgPlatformGetConfig( GLX_RGBA ) ||
+#endif
+ fgStructure.CurrentWindow == NULL)
{
- isPossible = 1;
- XFree(fbconfig);
- }
-
- return isPossible;
- }
-
- /* This is system-dependant */
- case GLUT_WINDOW_FORMAT_ID:
- if( 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;
-
- return fgPlatformGetConfig( GLX_VISUAL_ID );
-
- default:
- fgWarning( "glutGet(): missing enum handle %d", eWhat );
- break;
- }
-
- return -1;
-}
-
-
-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 *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)
+ else
{
- 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;
+ XVisualInfo * visualInfo;
+ int result;
+#ifdef EGL_VERSION_1_0
+ EGLint vid = 0;
+ XVisualInfo visualTemplate;
+ int num_visuals;
+ if (!eglGetConfigAttrib(fgDisplay.pDisplay.egl.Display,
+ fgStructure.CurrentWindow->Window.pContext.egl.Config,
+ EGL_NATIVE_VISUAL_ID, &vid))
+ fgError("eglGetConfigAttrib(EGL_NATIVE_VISUAL_ID) failed");
+ visualTemplate.visualid = vid;
+ visualInfo = XGetVisualInfo(fgDisplay.pDisplay.Display, VisualIDMask, &visualTemplate, &num_visuals);
+#else
+ {
+ const GLXFBConfig fbconfig =
+ fgStructure.CurrentWindow->Window.pContext.FBConfig;
- result = glXGetFBConfigAttrib(fgDisplay.pDisplay.Display,
- fbconfigArray[i],
- attribute_name,
- &value);
- if (value > previous_value)
- {
- temp_array[*size] = value;
- previous_value = value;
- (*size)++;
- }
- }
+ visualInfo =
+ glXGetVisualFromFBConfig( fgDisplay.pDisplay.Display, fbconfig );
+ }
+#endif
+ result = visualInfo->visual->map_entries;
- array = malloc(sizeof(int) * (*size));
- for (i = 0; i < *size; i++)
- {
- array[i] = temp_array[i];
- }
+ XFree(visualInfo);
- free(temp_array);
- XFree(fbconfigArray);
+ return result;
}
- break;
-
default:
- break;
+#ifdef EGL_VERSION_1_0
+ return fghPlatformGlutGetEGL(eWhat);
+#else
+ return fghPlatformGlutGetGLX(eWhat);
+#endif
}
-
- return array;
}
-
-
projects / freeglut / blobdiff