+++ /dev/null
-/*
- * freeglut_display_x11.c
- *
- * Display message posting, context buffer swapping.
- *
- * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
- * Written by Pawel W. Olszta, <olszta@sourceforge.net>
- * Copied for Platform code by Evan Felix <karcaw at gmail.com>
- * Creation date: Thur Feb 2 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 "../fg_internal.h"
-
-void fgPlatformGlutSwapBuffers( SFG_PlatformDisplay *pDisplayPtr, SFG_Window* CurrentWindow )
-{
- glXSwapBuffers( pDisplayPtr->Display, CurrentWindow->Window.Handle );
-}
-
--- /dev/null
+/*
+ * freeglut_display_x11.c
+ *
+ * Display message posting, context buffer swapping.
+ *
+ * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
+ * Written by Pawel W. Olszta, <olszta@sourceforge.net>
+ * Copied for Platform code by Evan Felix <karcaw at gmail.com>
+ * Creation date: Thur Feb 2 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 "../fg_internal.h"
+
+void fgPlatformGlutSwapBuffers( SFG_PlatformDisplay *pDisplayPtr, SFG_Window* CurrentWindow )
+{
+ glXSwapBuffers( pDisplayPtr->Display, CurrentWindow->Window.Handle );
+}
+
--- /dev/null
+/*
+ * freeglut_internal_x11.h
+ *
+ * The freeglut library private include file.
+ *
+ * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
+ * Creation date: Fri Jan 20, 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.
+ */
+
+#ifndef FREEGLUT_INTERNAL_X11_GLX_H
+#define FREEGLUT_INTERNAL_X11_GLX_H
+
+/* If GLX is too old, we will fail during runtime when multisampling
+ is requested, but at least freeglut compiles. */
+#ifndef GLX_SAMPLE_BUFFERS
+# define GLX_SAMPLE_BUFFERS 0x80A8
+#endif
+#ifndef GLX_SAMPLES
+# define GLX_SAMPLES 0x80A9
+#endif
+
+
+#ifndef GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB
+#define GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20B2
+#endif
+
+#ifndef GLX_CONTEXT_MAJOR_VERSION_ARB
+#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
+#endif
+
+#ifndef GLX_CONTEXT_MINOR_VERSION_ARB
+#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
+#endif
+
+#ifndef GLX_CONTEXT_FLAGS_ARB
+#define GLX_CONTEXT_FLAGS_ARB 0x2094
+#endif
+
+#ifndef GLX_CONTEXT_PROFILE_MASK_ARB
+#define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
+#endif
+
+#ifndef GLX_CONTEXT_DEBUG_BIT_ARB
+#define GLX_CONTEXT_DEBUG_BIT_ARB 0x0001
+#endif
+
+#ifndef GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB
+#define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
+#endif
+
+#ifndef GLX_CONTEXT_CORE_PROFILE_BIT_ARB
+#define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
+#endif
+
+#ifndef GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB
+#define GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
+#endif
+
+#ifndef GLX_RGBA_FLOAT_TYPE
+#define GLX_RGBA_FLOAT_TYPE 0x20B9
+#endif
+
+#ifndef GLX_RGBA_FLOAT_BIT
+#define GLX_RGBA_FLOAT_BIT 0x00000004
+#endif
+
+#endif
--- /dev/null
+/*
+ * fg_state_x11_glx.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 "fg_internal.h"
+
+/*
+ * 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 fghPlatformGlutGetGLX ( GLenum eWhat )
+{
+ switch( eWhat )
+ {
+ /*
+ * The window/context specific queries are handled mostly by
+ * fgPlatformGetConfig().
+ */
+ case GLUT_WINDOW_NUM_SAMPLES:
+ {
+ int nsamples = 0;
+#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
+
+ /* 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 fghChooseConfig again here. */
+ GLXFBConfig config;
+ return fghChooseConfig(&config);
+ }
+
+ /* 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;
+ }
+
+ 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;
+}
--- /dev/null
+/*
+ * fg_window_x11_glx.c
+ *
+ * Window management methods for X11 with GLX
+ *
+ * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
+ * Written by Pawel W. Olszta, <olszta@sourceforge.net>
+ * Copied for Platform code by Evan Felix <karcaw at gmail.com>
+ * Creation date: Thur Feb 2 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.
+ */
+
+#define FREEGLUT_BUILDING_LIB
+#include <GL/freeglut.h>
+#include "fg_internal.h"
+
+/* pushing attribute/value pairs into an array */
+#define ATTRIB(a) attributes[where++]=(a)
+#define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);}
+
+/*
+ * Chooses a visual basing on the current display mode settings
+ */
+
+int fghChooseConfig(GLXFBConfig* fbconfig)
+{
+ GLboolean wantIndexedMode = GL_FALSE;
+ int attributes[ 100 ];
+ int where = 0, numAuxBuffers;
+
+ /* First we have to process the display mode settings... */
+ if( fgState.DisplayMode & GLUT_INDEX ) {
+ ATTRIB_VAL( GLX_BUFFER_SIZE, 8 );
+ /* Buffer size is selected later. */
+
+ ATTRIB_VAL( GLX_RENDER_TYPE, GLX_COLOR_INDEX_BIT );
+ wantIndexedMode = GL_TRUE;
+ } else {
+ ATTRIB_VAL( GLX_RED_SIZE, 1 );
+ ATTRIB_VAL( GLX_GREEN_SIZE, 1 );
+ ATTRIB_VAL( GLX_BLUE_SIZE, 1 );
+ if( fgState.DisplayMode & GLUT_ALPHA ) {
+ ATTRIB_VAL( GLX_ALPHA_SIZE, 1 );
+ }
+ }
+
+ if( fgState.DisplayMode & GLUT_DOUBLE ) {
+ ATTRIB_VAL( GLX_DOUBLEBUFFER, True );
+ }
+
+ if( fgState.DisplayMode & GLUT_STEREO ) {
+ ATTRIB_VAL( GLX_STEREO, True );
+ }
+
+ if( fgState.DisplayMode & GLUT_DEPTH ) {
+ ATTRIB_VAL( GLX_DEPTH_SIZE, 1 );
+ }
+
+ if( fgState.DisplayMode & GLUT_STENCIL ) {
+ ATTRIB_VAL( GLX_STENCIL_SIZE, 1 );
+ }
+
+ if( fgState.DisplayMode & GLUT_ACCUM ) {
+ ATTRIB_VAL( GLX_ACCUM_RED_SIZE, 1 );
+ ATTRIB_VAL( GLX_ACCUM_GREEN_SIZE, 1 );
+ ATTRIB_VAL( GLX_ACCUM_BLUE_SIZE, 1 );
+ if( fgState.DisplayMode & GLUT_ALPHA ) {
+ ATTRIB_VAL( GLX_ACCUM_ALPHA_SIZE, 1 );
+ }
+ }
+
+ numAuxBuffers = fghNumberOfAuxBuffersRequested();
+ if ( numAuxBuffers > 0 ) {
+ ATTRIB_VAL( GLX_AUX_BUFFERS, numAuxBuffers );
+ }
+
+ if( fgState.DisplayMode & GLUT_SRGB ) {
+ ATTRIB_VAL( GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB, True );
+ }
+
+ if (fgState.DisplayMode & GLUT_MULTISAMPLE) {
+ ATTRIB_VAL(GLX_SAMPLE_BUFFERS, 1);
+ ATTRIB_VAL(GLX_SAMPLES, fgState.SampleNumber);
+ }
+
+ /* Push a terminator at the end of the list */
+ ATTRIB( None );
+
+ {
+ GLXFBConfig * fbconfigArray; /* Array of FBConfigs */
+ int fbconfigArraySize; /* Number of FBConfigs in the array */
+
+
+ /* Get all FBConfigs that match "attributes". */
+ fbconfigArray = glXChooseFBConfig( fgDisplay.pDisplay.Display,
+ fgDisplay.pDisplay.Screen,
+ attributes,
+ &fbconfigArraySize );
+
+ if (fbconfigArray != NULL)
+ {
+ int result; /* Returned by glXGetFBConfigAttrib, not checked. */
+
+
+ if( wantIndexedMode )
+ {
+ /*
+ * In index mode, we want the largest buffer size, i.e. visual
+ * depth. Here, FBConfigs are sorted by increasing buffer size
+ * first, so FBConfigs with the largest size come last.
+ */
+
+ int bufferSizeMin, bufferSizeMax;
+
+ /* Get bufferSizeMin. */
+ result =
+ glXGetFBConfigAttrib( fgDisplay.pDisplay.Display,
+ fbconfigArray[0],
+ GLX_BUFFER_SIZE,
+ &bufferSizeMin );
+ /* Get bufferSizeMax. */
+ result =
+ glXGetFBConfigAttrib( fgDisplay.pDisplay.Display,
+ fbconfigArray[fbconfigArraySize - 1],
+ GLX_BUFFER_SIZE,
+ &bufferSizeMax );
+
+ if (bufferSizeMax > bufferSizeMin)
+ {
+ /*
+ * Free and reallocate fbconfigArray, keeping only FBConfigs
+ * with the largest buffer size.
+ */
+ XFree(fbconfigArray);
+
+ /* Add buffer size token at the end of the list. */
+ where--;
+ ATTRIB_VAL( GLX_BUFFER_SIZE, bufferSizeMax );
+ ATTRIB( None );
+
+ fbconfigArray = glXChooseFBConfig( fgDisplay.pDisplay.Display,
+ fgDisplay.pDisplay.Screen,
+ attributes,
+ &fbconfigArraySize );
+ }
+ }
+
+ *fbconfig = fbconfigArray[0];
+ }
+ else
+ {
+ *fbconfig = NULL;
+ return 0;
+ }
+ XFree(fbconfigArray);
+
+ return 1;
+ }
+}
+
+static void fghFillContextAttributes( int *attributes ) {
+ int where = 0, contextFlags, contextProfile;
+
+ if ( !fghIsLegacyContextVersionRequested() ) {
+ ATTRIB_VAL( GLX_CONTEXT_MAJOR_VERSION_ARB, fgState.MajorVersion );
+ ATTRIB_VAL( GLX_CONTEXT_MINOR_VERSION_ARB, fgState.MinorVersion );
+ }
+
+ contextFlags =
+ fghMapBit( fgState.ContextFlags, GLUT_DEBUG, GLX_CONTEXT_DEBUG_BIT_ARB ) |
+ fghMapBit( fgState.ContextFlags, GLUT_FORWARD_COMPATIBLE, GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB );
+ if ( contextFlags != 0 ) {
+ ATTRIB_VAL( GLX_CONTEXT_FLAGS_ARB, contextFlags );
+ }
+
+ contextProfile =
+ fghMapBit( fgState.ContextProfile, GLUT_CORE_PROFILE, GLX_CONTEXT_CORE_PROFILE_BIT_ARB ) |
+ fghMapBit( fgState.ContextProfile, GLUT_COMPATIBILITY_PROFILE, GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB );
+ if ( contextProfile != 0 ) {
+ ATTRIB_VAL( GLX_CONTEXT_PROFILE_MASK_ARB, contextProfile );
+ }
+
+ ATTRIB( 0 );
+}
+
+typedef GLXContext (*CreateContextAttribsProc)(Display *dpy, GLXFBConfig config,
+ GLXContext share_list, Bool direct,
+ const int *attrib_list);
+
+GLXContext fghCreateNewContext( SFG_Window* window )
+{
+ /* for color model calculation */
+ int menu = ( window->IsMenu && !fgStructure.MenuContext );
+ int index_mode = ( fgState.DisplayMode & GLUT_INDEX );
+
+ /* "classic" context creation */
+ Display *dpy = fgDisplay.pDisplay.Display;
+ GLXFBConfig config = window->Window.pContext.FBConfig;
+ int render_type = ( !menu && index_mode ) ? GLX_COLOR_INDEX_TYPE : GLX_RGBA_TYPE;
+ GLXContext share_list = NULL;
+ Bool direct = ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT );
+ GLXContext context;
+
+ /* new context creation */
+ int attributes[9];
+ CreateContextAttribsProc createContextAttribs = (CreateContextAttribsProc) fgPlatformGetProcAddress( "glXCreateContextAttribsARB" );
+
+ /* glXCreateContextAttribsARB not found, yet the user has requested the new context creation */
+ if ( !createContextAttribs && !fghIsLegacyContextRequested() ) {
+ fgWarning( "OpenGL >2.1 context requested but glXCreateContextAttribsARB is not available! Falling back to legacy context creation" );
+ fgState.MajorVersion = 2;
+ fgState.MinorVersion = 1;
+ }
+
+ /* If nothing fancy has been required, simply use the old context creation GLX API entry */
+ if ( fghIsLegacyContextRequested() || !createContextAttribs )
+ {
+ context = glXCreateNewContext( dpy, config, render_type, share_list, direct );
+ if ( context == NULL ) {
+ fghContextCreationError();
+ }
+ return context;
+ }
+
+ /* color index mode is not available anymore with OpenGL 3.0 */
+ if ( render_type == GLX_COLOR_INDEX_TYPE ) {
+ fgWarning( "color index mode is deprecated, using RGBA mode" );
+ }
+
+ fghFillContextAttributes( attributes );
+
+ context = createContextAttribs( dpy, config, share_list, direct, attributes );
+ if ( context == NULL ) {
+ fghContextCreationError();
+ }
+ return context;
+}
+
+void fgPlatformSetWindow ( SFG_Window *window )
+{
+ if ( window )
+ {
+ glXMakeContextCurrent(
+ fgDisplay.pDisplay.Display,
+ window->Window.Handle,
+ window->Window.Handle,
+ window->Window.Context
+ );
+ }
+}
--- /dev/null
+/*
+ * fg_window_x11_glx.c
+ *
+ * Window management methods for X11 with GLX
+ *
+ * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
+ * Written by Pawel W. Olszta, <olszta@sourceforge.net>
+ * Copied for Platform code by Evan Felix <karcaw at gmail.com>
+ * Creation date: Thur Feb 2 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.
+ */
+
+#ifndef __FG_WINDOW_X11_GLX_H__
+#define __FG_WINDOW_X11_GLX_H__
+
+extern int fghChooseConfig( GLXFBConfig* fbconfig );
+extern GLXContext fghCreateNewContext( SFG_Window* window );
+
+#endif
projects / freeglut / commitdiff