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applied patch fixing problems with X server crash when using wxGLCanvas with nVidia cards (patch 1155132)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33104 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2005-03-27 18:06:43 +00:00
parent 8d36b2167d
commit 34a34b020f
8 changed files with 404 additions and 102 deletions
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5
include/wx/gtk/app.h
View File

@@ -61,8 +61,9 @@ public:
unsigned char *m_colorCube;
// Used by the the wxGLApp and wxGLCanvas class for GL-based X visual
// selection; this is actually an XVisualInfo*
void *m_glVisualInfo;
// selection.
void *m_glVisualInfo; // this is actually an XVisualInfo*
void *m_glFBCInfo; // this is actually an GLXFBConfig*
// This returns the current visual: either that used by wxRootWindow
// or the XVisualInfo* for SGI.
GdkVisual *GetGdkVisual();

7
include/wx/gtk/glcanvas.h
View File

@@ -160,7 +160,9 @@ public:
*m_sharedContext;
wxGLCanvas *m_sharedContextOf;
void *m_vi; // actually an XVisualInfo*
GLXFBConfig *m_fbc;
bool m_canFreeVi;
bool m_canFreeFBC;
GtkWidget *m_glWidget;
bool m_exposed;
@@ -169,7 +171,12 @@ public:
// caller is reponsible for using XFree() to deallocate
// the returned structure.
static void* ChooseGLVisual(int *attribList);
static void* ChooseGLFBC(int *attribList);
static void GetGLAttribListFromWX(int *wx_attribList, int *gl_attribList );
static void QueryGLXVersion();
static int GetGLXVersion();
static int m_glxVersion;
private:
DECLARE_EVENT_TABLE()
DECLARE_CLASS(wxGLCanvas)

5
include/wx/gtk1/app.h
View File

@@ -61,8 +61,9 @@ public:
unsigned char *m_colorCube;
// Used by the the wxGLApp and wxGLCanvas class for GL-based X visual
// selection; this is actually an XVisualInfo*
void *m_glVisualInfo;
// selection.
void *m_glVisualInfo; // this is actually an XVisualInfo*
void *m_glFBCInfo; // this is actually an GLXFBConfig*
// This returns the current visual: either that used by wxRootWindow
// or the XVisualInfo* for SGI.
GdkVisual *GetGdkVisual();

7
include/wx/gtk1/glcanvas.h
View File

@@ -160,7 +160,9 @@ public:
*m_sharedContext;
wxGLCanvas *m_sharedContextOf;
void *m_vi; // actually an XVisualInfo*
GLXFBConfig *m_fbc;
bool m_canFreeVi;
bool m_canFreeFBC;
GtkWidget *m_glWidget;
bool m_exposed;
@@ -169,7 +171,12 @@ public:
// caller is reponsible for using XFree() to deallocate
// the returned structure.
static void* ChooseGLVisual(int *attribList);
static void* ChooseGLFBC(int *attribList);
static void GetGLAttribListFromWX(int *wx_attribList, int *gl_attribList );
static void QueryGLXVersion();
static int GetGLXVersion();
static int m_glxVersion;
private:
DECLARE_EVENT_TABLE()
DECLARE_CLASS(wxGLCanvas)

1
src/gtk/app.cpp
View File

@@ -447,6 +447,7 @@ wxApp::wxApp()
// this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
m_glVisualInfo = (void *) NULL;
m_glFBCInfo = (void *) NULL;
}
wxApp::~wxApp()

282
src/gtk/glcanvas.cpp
View File

@@ -40,12 +40,17 @@ extern "C"
#include "wx/build.h"
WX_CHECK_BUILD_OPTIONS("wxGL")
//---------------------------------------------------------------------------
// static variables
//---------------------------------------------------------------------------
int wxGLCanvas::m_glxVersion = 0;
//---------------------------------------------------------------------------
// global data
//---------------------------------------------------------------------------
XVisualInfo *g_vi = (XVisualInfo*) NULL;
//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------
@@ -65,11 +70,21 @@ wxGLContext::wxGLContext( bool WXUNUSED(isRGB), wxWindow *win, const wxPalette&
m_widget = win->m_wxwindow;
wxGLCanvas *gc = (wxGLCanvas*) win;
if (wxGLCanvas::GetGLXVersion() >= 13)
{
// GLX >= 1.3
GLXFBConfig *fbc = gc->m_fbc;
wxCHECK_RET( fbc, _T("invalid GLXFBConfig for OpenGl") );
m_glContext = glXCreateNewContext( GDK_DISPLAY(), fbc[0], GLX_RGBA_TYPE, None, GL_TRUE );
}
else
{
// GLX <= 1.2
XVisualInfo *vi = (XVisualInfo *) gc->m_vi;
wxCHECK_RET( vi, _T("invalid visual for OpenGl") );
m_glContext = glXCreateContext( GDK_DISPLAY(), vi, None, GL_TRUE );
}
wxCHECK_RET( m_glContext, _T("Couldn't create OpenGl context") );
}
@@ -84,13 +99,25 @@ wxGLContext::wxGLContext(
m_widget = win->m_wxwindow;
wxGLCanvas *gc = (wxGLCanvas*) win;
if (wxGLCanvas::GetGLXVersion() >= 13)
{
// GLX >= 1.3
GLXFBConfig *fbc = gc->m_fbc;
wxCHECK_RET( fbc, _T("invalid GLXFBConfig for OpenGl") );
m_glContext = glXCreateNewContext( GDK_DISPLAY(), fbc[0], GLX_RGBA_TYPE,
other ? other->m_glContext : None,
GL_TRUE );
}
else
{
// GLX <= 1.2
XVisualInfo *vi = (XVisualInfo *) gc->m_vi;
wxCHECK_RET( vi, _T("invalid visual for OpenGl") );
m_glContext = glXCreateContext( GDK_DISPLAY(), vi,
other ? other->m_glContext : None,
GL_TRUE );
}
if ( !m_glContext )
{
@@ -104,6 +131,11 @@ wxGLContext::~wxGLContext()
if (m_glContext == glXGetCurrentContext())
{
if (wxGLCanvas::GetGLXVersion() >= 13)
// GLX >= 1.3
glXMakeContextCurrent( GDK_DISPLAY(), None, None, NULL);
else
// GLX <= 1.2
glXMakeCurrent( GDK_DISPLAY(), None, NULL);
}
@@ -124,6 +156,12 @@ void wxGLContext::SetCurrent()
if (m_glContext)
{
GdkWindow *window = GTK_PIZZA(m_widget)->bin_window;
if (wxGLCanvas::GetGLXVersion() >= 13)
// GLX >= 1.3
glXMakeContextCurrent( GDK_DISPLAY(), GDK_WINDOW_XWINDOW(window), GDK_WINDOW_XWINDOW(window), m_glContext );
else
// GLX <= 1.2
glXMakeCurrent( GDK_DISPLAY(), GDK_WINDOW_XWINDOW(window), m_glContext );
}
}
@@ -159,7 +197,7 @@ wxPalette wxGLContext::CreateDefaultPalette()
extern "C" {
static gint
gtk_glwindow_realized_callback( GtkWidget * WXUNUSED(widget), wxGLCanvas *win )
gtk_glwindow_realized_callback( GtkWidget *WXUNUSED(widget), wxGLCanvas *win )
{
if ( !win->m_glContext )
{
@@ -313,22 +351,49 @@ bool wxGLCanvas::Create( wxWindow *parent,
m_exposed = FALSE;
m_noExpose = TRUE;
m_nativeSizeEvent = TRUE;
m_fbc = NULL;
m_vi = NULL;
// to be sure the glx version is known
wxGLCanvas::QueryGLXVersion();
if (wxGLCanvas::GetGLXVersion() >= 13)
{
// GLX >= 1.3 uses a GLXFBConfig
GLXFBConfig * fbc = NULL;
if (wxTheApp->m_glFBCInfo != NULL)
{
fbc = (GLXFBConfig *) wxTheApp->m_glFBCInfo;
m_canFreeFBC = FALSE; // owned by wxTheApp - don't free upon destruction
}
else
{
fbc = (GLXFBConfig *) wxGLCanvas::ChooseGLFBC(attribList);
m_canFreeFBC = TRUE;
}
m_fbc = fbc; // save for later use
wxCHECK_MSG( m_fbc, FALSE, _T("required FBConfig couldn't be found") );
}
XVisualInfo *vi = NULL;
if (wxTheApp->m_glVisualInfo != NULL)
{
vi = (XVisualInfo *) wxTheApp->m_glVisualInfo;
vi = (XVisualInfo *)wxTheApp->m_glVisualInfo;
m_canFreeVi = FALSE; // owned by wxTheApp - don't free upon destruction
}
else
{
if (wxGLCanvas::GetGLXVersion() >= 13)
// GLX >= 1.3
vi = glXGetVisualFromFBConfig(GDK_DISPLAY(), m_fbc[0]);
else
// GLX <= 1.2
vi = (XVisualInfo *) ChooseGLVisual(attribList);
m_canFreeVi = TRUE;
}
m_vi = vi; // save for later use
wxCHECK_MSG( m_vi, FALSE, _T("required visual couldn't be found") );
GdkVisual *visual = gdkx_visual_get( vi->visualid );
GdkColormap *colormap = gdk_colormap_new( visual, TRUE );
@@ -379,81 +444,137 @@ bool wxGLCanvas::Create( wxWindow *parent,
wxGLCanvas::~wxGLCanvas()
{
XVisualInfo *vi = (XVisualInfo *) m_vi;
GLXFBConfig * fbc = (GLXFBConfig *) m_fbc;
if (fbc && m_canFreeFBC) XFree( fbc );
XVisualInfo *vi = (XVisualInfo *) m_vi;
if (vi && m_canFreeVi) XFree( vi );
delete m_glContext;
}
void* wxGLCanvas::ChooseGLVisual(int *attribList)
{
int data[512];
if (!attribList)
{
// default settings if attriblist = 0
data[0] = GLX_RGBA;
data[1] = GLX_DOUBLEBUFFER;
data[2] = GLX_DEPTH_SIZE; data[3] = 1;
data[4] = GLX_RED_SIZE; data[5] = 1;
data[6] = GLX_GREEN_SIZE; data[7] = 1;
data[8] = GLX_BLUE_SIZE; data[9] = 1;
data[10] = GLX_ALPHA_SIZE; data[11] = 0;
data[12] = None;
GetGLAttribListFromWX( attribList, data );
attribList = (int*) data;
}
else
{
int arg=0, p=0;
while( (attribList[arg]!=0) && (p<510) )
{
switch( attribList[arg++] )
{
case WX_GL_RGBA: data[p++] = GLX_RGBA; break;
case WX_GL_BUFFER_SIZE:
data[p++]=GLX_BUFFER_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_LEVEL:
data[p++]=GLX_LEVEL; data[p++]=attribList[arg++]; break;
case WX_GL_DOUBLEBUFFER: data[p++] = GLX_DOUBLEBUFFER; break;
case WX_GL_STEREO: data[p++] = GLX_STEREO; break;
case WX_GL_AUX_BUFFERS:
data[p++]=GLX_AUX_BUFFERS; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_RED:
data[p++]=GLX_RED_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_GREEN:
data[p++]=GLX_GREEN_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_BLUE:
data[p++]=GLX_BLUE_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_ALPHA:
data[p++]=GLX_ALPHA_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_DEPTH_SIZE:
data[p++]=GLX_DEPTH_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_STENCIL_SIZE:
data[p++]=GLX_STENCIL_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_ACCUM_RED:
data[p++]=GLX_ACCUM_RED_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_ACCUM_GREEN:
data[p++]=GLX_ACCUM_GREEN_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_ACCUM_BLUE:
data[p++]=GLX_ACCUM_BLUE_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_ACCUM_ALPHA:
data[p++]=GLX_ACCUM_ALPHA_SIZE; data[p++]=attribList[arg++]; break;
default:
break;
}
}
data[p] = 0;
attribList = (int*) data;
}
Display *dpy = GDK_DISPLAY();
return glXChooseVisual( dpy, DefaultScreen(dpy), attribList );
}
void* wxGLCanvas::ChooseGLFBC(int *attribList)
{
int data[512];
GetGLAttribListFromWX( attribList, data );
attribList = (int*) data;
int returned;
return glXChooseFBConfig( GDK_DISPLAY(), DefaultScreen(GDK_DISPLAY()),
attribList, &returned );
}
void wxGLCanvas::GetGLAttribListFromWX(int *wx_attribList, int *gl_attribList )
{
if (!wx_attribList)
{
if (wxGLCanvas::GetGLXVersion() >= 13)
// leave GLX >= 1.3 choose the default attributes
gl_attribList[0] = 0;
else
{
int i = 0;
// default settings if attriblist = 0
gl_attribList[i++] = GLX_RGBA;
gl_attribList[i++] = GLX_DOUBLEBUFFER;
gl_attribList[i++] = GLX_DEPTH_SIZE; gl_attribList[i++] = 1;
gl_attribList[i++] = GLX_RED_SIZE; gl_attribList[i++] = 1;
gl_attribList[i++] = GLX_GREEN_SIZE; gl_attribList[i++] = 1;
gl_attribList[i++] = GLX_BLUE_SIZE; gl_attribList[i++] = 1;
gl_attribList[i++] = GLX_ALPHA_SIZE; gl_attribList[i++] = 0;
gl_attribList[i++] = None;
}
}
else
{
int arg=0, p=0;
while( (wx_attribList[arg]!=0) && (p<510) )
{
switch( wx_attribList[arg++] )
{
case WX_GL_RGBA:
if (wxGLCanvas::GetGLXVersion() <= 12)
// for GLX >= 1.3, GLX_RGBA is useless (setting this flags will crash on most opengl implm)
gl_attribList[p++] = GLX_RGBA;
break;
case WX_GL_BUFFER_SIZE:
gl_attribList[p++]=GLX_BUFFER_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_LEVEL:
gl_attribList[p++]=GLX_LEVEL; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_DOUBLEBUFFER:
if (wxGLCanvas::GetGLXVersion() <= 12)
gl_attribList[p++] = GLX_DOUBLEBUFFER;
else
// for GLX >= 1.3, GLX_DOUBLEBUFFER format is different (1 <=> True)
// it seems this flag is useless for some hardware opengl implementation.
// but for Mesa 6.2.1, this flag is used so don't ignore it.
gl_attribList[p++] = GLX_DOUBLEBUFFER; gl_attribList[p++]=1;
break;
case WX_GL_STEREO: gl_attribList[p++] = GLX_STEREO; break;
case WX_GL_AUX_BUFFERS:
gl_attribList[p++]=GLX_AUX_BUFFERS; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_RED:
gl_attribList[p++]=GLX_RED_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_GREEN:
gl_attribList[p++]=GLX_GREEN_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_BLUE:
gl_attribList[p++]=GLX_BLUE_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_ALPHA:
gl_attribList[p++]=GLX_ALPHA_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_DEPTH_SIZE:
gl_attribList[p++]=GLX_DEPTH_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_STENCIL_SIZE:
gl_attribList[p++]=GLX_STENCIL_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_ACCUM_RED:
gl_attribList[p++]=GLX_ACCUM_RED_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_ACCUM_GREEN:
gl_attribList[p++]=GLX_ACCUM_GREEN_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_ACCUM_BLUE:
gl_attribList[p++]=GLX_ACCUM_BLUE_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_ACCUM_ALPHA:
gl_attribList[p++]=GLX_ACCUM_ALPHA_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
default:
break;
}
}
gl_attribList[p] = 0;
}
}
void wxGLCanvas::QueryGLXVersion()
{
if (m_glxVersion == 0)
{
// check the GLX version
int glxMajorVer, glxMinorVer;
bool ok = glXQueryVersion(GDK_DISPLAY(), &glxMajorVer, &glxMinorVer);
wxASSERT_MSG( ok, _T("GLX version not found") );
if (!ok)
m_glxVersion = 10; // 1.0 by default
else
m_glxVersion = glxMajorVer*10 + glxMinorVer;
}
}
int wxGLCanvas::GetGLXVersion()
{
wxASSERT_MSG( m_glxVersion>0, _T("GLX version has not been initialized with wxGLCanvas::QueryGLXVersion()") );
return m_glxVersion;
}
void wxGLCanvas::SwapBuffers()
{
if (m_glContext)
@@ -501,18 +622,39 @@ IMPLEMENT_CLASS(wxGLApp, wxApp)
wxGLApp::~wxGLApp()
{
if (m_glFBCInfo)
XFree(m_glFBCInfo);
if (m_glVisualInfo)
XFree(m_glVisualInfo);
}
bool wxGLApp::InitGLVisual(int *attribList)
{
wxGLCanvas::QueryGLXVersion();
if (wxGLCanvas::GetGLXVersion() >= 13)
{
// GLX >= 1.3
if (m_glFBCInfo)
XFree(m_glFBCInfo);
m_glFBCInfo = wxGLCanvas::ChooseGLFBC(attribList);
if (m_glFBCInfo)
{
if (m_glVisualInfo)
XFree(m_glVisualInfo);
m_glVisualInfo = glXGetVisualFromFBConfig(GDK_DISPLAY(), ((GLXFBConfig *)m_glFBCInfo)[0]);
}
return (m_glFBCInfo != NULL) && (m_glVisualInfo != NULL);
}
else
{
// GLX <= 1.2
if (m_glVisualInfo)
XFree(m_glVisualInfo);
m_glVisualInfo = wxGLCanvas::ChooseGLVisual(attribList);
return m_glVisualInfo != NULL;
}
}
#endif

1
src/gtk1/app.cpp
View File

@@ -447,6 +447,7 @@ wxApp::wxApp()
// this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
m_glVisualInfo = (void *) NULL;
m_glFBCInfo = (void *) NULL;
}
wxApp::~wxApp()

282
src/gtk1/glcanvas.cpp
View File

@@ -40,12 +40,17 @@ extern "C"
#include "wx/build.h"
WX_CHECK_BUILD_OPTIONS("wxGL")
//---------------------------------------------------------------------------
// static variables
//---------------------------------------------------------------------------
int wxGLCanvas::m_glxVersion = 0;
//---------------------------------------------------------------------------
// global data
//---------------------------------------------------------------------------
XVisualInfo *g_vi = (XVisualInfo*) NULL;
//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------
@@ -65,11 +70,21 @@ wxGLContext::wxGLContext( bool WXUNUSED(isRGB), wxWindow *win, const wxPalette&
m_widget = win->m_wxwindow;
wxGLCanvas *gc = (wxGLCanvas*) win;
if (wxGLCanvas::GetGLXVersion() >= 13)
{
// GLX >= 1.3
GLXFBConfig *fbc = gc->m_fbc;
wxCHECK_RET( fbc, _T("invalid GLXFBConfig for OpenGl") );
m_glContext = glXCreateNewContext( GDK_DISPLAY(), fbc[0], GLX_RGBA_TYPE, None, GL_TRUE );
}
else
{
// GLX <= 1.2
XVisualInfo *vi = (XVisualInfo *) gc->m_vi;
wxCHECK_RET( vi, _T("invalid visual for OpenGl") );
m_glContext = glXCreateContext( GDK_DISPLAY(), vi, None, GL_TRUE );
}
wxCHECK_RET( m_glContext, _T("Couldn't create OpenGl context") );
}
@@ -84,13 +99,25 @@ wxGLContext::wxGLContext(
m_widget = win->m_wxwindow;
wxGLCanvas *gc = (wxGLCanvas*) win;
if (wxGLCanvas::GetGLXVersion() >= 13)
{
// GLX >= 1.3
GLXFBConfig *fbc = gc->m_fbc;
wxCHECK_RET( fbc, _T("invalid GLXFBConfig for OpenGl") );
m_glContext = glXCreateNewContext( GDK_DISPLAY(), fbc[0], GLX_RGBA_TYPE,
other ? other->m_glContext : None,
GL_TRUE );
}
else
{
// GLX <= 1.2
XVisualInfo *vi = (XVisualInfo *) gc->m_vi;
wxCHECK_RET( vi, _T("invalid visual for OpenGl") );
m_glContext = glXCreateContext( GDK_DISPLAY(), vi,
other ? other->m_glContext : None,
GL_TRUE );
}
if ( !m_glContext )
{
@@ -104,6 +131,11 @@ wxGLContext::~wxGLContext()
if (m_glContext == glXGetCurrentContext())
{
if (wxGLCanvas::GetGLXVersion() >= 13)
// GLX >= 1.3
glXMakeContextCurrent( GDK_DISPLAY(), None, None, NULL);
else
// GLX <= 1.2
glXMakeCurrent( GDK_DISPLAY(), None, NULL);
}
@@ -124,6 +156,12 @@ void wxGLContext::SetCurrent()
if (m_glContext)
{
GdkWindow *window = GTK_PIZZA(m_widget)->bin_window;
if (wxGLCanvas::GetGLXVersion() >= 13)
// GLX >= 1.3
glXMakeContextCurrent( GDK_DISPLAY(), GDK_WINDOW_XWINDOW(window), GDK_WINDOW_XWINDOW(window), m_glContext );
else
// GLX <= 1.2
glXMakeCurrent( GDK_DISPLAY(), GDK_WINDOW_XWINDOW(window), m_glContext );
}
}
@@ -159,7 +197,7 @@ wxPalette wxGLContext::CreateDefaultPalette()
extern "C" {
static gint
gtk_glwindow_realized_callback( GtkWidget * WXUNUSED(widget), wxGLCanvas *win )
gtk_glwindow_realized_callback( GtkWidget *WXUNUSED(widget), wxGLCanvas *win )
{
if ( !win->m_glContext )
{
@@ -313,22 +351,49 @@ bool wxGLCanvas::Create( wxWindow *parent,
m_exposed = FALSE;
m_noExpose = TRUE;
m_nativeSizeEvent = TRUE;
m_fbc = NULL;
m_vi = NULL;
// to be sure the glx version is known
wxGLCanvas::QueryGLXVersion();
if (wxGLCanvas::GetGLXVersion() >= 13)
{
// GLX >= 1.3 uses a GLXFBConfig
GLXFBConfig * fbc = NULL;
if (wxTheApp->m_glFBCInfo != NULL)
{
fbc = (GLXFBConfig *) wxTheApp->m_glFBCInfo;
m_canFreeFBC = FALSE; // owned by wxTheApp - don't free upon destruction
}
else
{
fbc = (GLXFBConfig *) wxGLCanvas::ChooseGLFBC(attribList);
m_canFreeFBC = TRUE;
}
m_fbc = fbc; // save for later use
wxCHECK_MSG( m_fbc, FALSE, _T("required FBConfig couldn't be found") );
}
XVisualInfo *vi = NULL;
if (wxTheApp->m_glVisualInfo != NULL)
{
vi = (XVisualInfo *) wxTheApp->m_glVisualInfo;
vi = (XVisualInfo *)wxTheApp->m_glVisualInfo;
m_canFreeVi = FALSE; // owned by wxTheApp - don't free upon destruction
}
else
{
if (wxGLCanvas::GetGLXVersion() >= 13)
// GLX >= 1.3
vi = glXGetVisualFromFBConfig(GDK_DISPLAY(), m_fbc[0]);
else
// GLX <= 1.2
vi = (XVisualInfo *) ChooseGLVisual(attribList);
m_canFreeVi = TRUE;
}
m_vi = vi; // save for later use
wxCHECK_MSG( m_vi, FALSE, _T("required visual couldn't be found") );
GdkVisual *visual = gdkx_visual_get( vi->visualid );
GdkColormap *colormap = gdk_colormap_new( visual, TRUE );
@@ -379,81 +444,137 @@ bool wxGLCanvas::Create( wxWindow *parent,
wxGLCanvas::~wxGLCanvas()
{
XVisualInfo *vi = (XVisualInfo *) m_vi;
GLXFBConfig * fbc = (GLXFBConfig *) m_fbc;
if (fbc && m_canFreeFBC) XFree( fbc );
XVisualInfo *vi = (XVisualInfo *) m_vi;
if (vi && m_canFreeVi) XFree( vi );
delete m_glContext;
}
void* wxGLCanvas::ChooseGLVisual(int *attribList)
{
int data[512];
if (!attribList)
{
// default settings if attriblist = 0
data[0] = GLX_RGBA;
data[1] = GLX_DOUBLEBUFFER;
data[2] = GLX_DEPTH_SIZE; data[3] = 1;
data[4] = GLX_RED_SIZE; data[5] = 1;
data[6] = GLX_GREEN_SIZE; data[7] = 1;
data[8] = GLX_BLUE_SIZE; data[9] = 1;
data[10] = GLX_ALPHA_SIZE; data[11] = 0;
data[12] = None;
GetGLAttribListFromWX( attribList, data );
attribList = (int*) data;
}
else
{
int arg=0, p=0;
while( (attribList[arg]!=0) && (p<510) )
{
switch( attribList[arg++] )
{
case WX_GL_RGBA: data[p++] = GLX_RGBA; break;
case WX_GL_BUFFER_SIZE:
data[p++]=GLX_BUFFER_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_LEVEL:
data[p++]=GLX_LEVEL; data[p++]=attribList[arg++]; break;
case WX_GL_DOUBLEBUFFER: data[p++] = GLX_DOUBLEBUFFER; break;
case WX_GL_STEREO: data[p++] = GLX_STEREO; break;
case WX_GL_AUX_BUFFERS:
data[p++]=GLX_AUX_BUFFERS; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_RED:
data[p++]=GLX_RED_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_GREEN:
data[p++]=GLX_GREEN_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_BLUE:
data[p++]=GLX_BLUE_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_ALPHA:
data[p++]=GLX_ALPHA_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_DEPTH_SIZE:
data[p++]=GLX_DEPTH_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_STENCIL_SIZE:
data[p++]=GLX_STENCIL_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_ACCUM_RED:
data[p++]=GLX_ACCUM_RED_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_ACCUM_GREEN:
data[p++]=GLX_ACCUM_GREEN_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_ACCUM_BLUE:
data[p++]=GLX_ACCUM_BLUE_SIZE; data[p++]=attribList[arg++]; break;
case WX_GL_MIN_ACCUM_ALPHA:
data[p++]=GLX_ACCUM_ALPHA_SIZE; data[p++]=attribList[arg++]; break;
default:
break;
}
}
data[p] = 0;
attribList = (int*) data;
}
Display *dpy = GDK_DISPLAY();
return glXChooseVisual( dpy, DefaultScreen(dpy), attribList );
}
void* wxGLCanvas::ChooseGLFBC(int *attribList)
{
int data[512];
GetGLAttribListFromWX( attribList, data );
attribList = (int*) data;
int returned;
return glXChooseFBConfig( GDK_DISPLAY(), DefaultScreen(GDK_DISPLAY()),
attribList, &returned );
}
void wxGLCanvas::GetGLAttribListFromWX(int *wx_attribList, int *gl_attribList )
{
if (!wx_attribList)
{
if (wxGLCanvas::GetGLXVersion() >= 13)
// leave GLX >= 1.3 choose the default attributes
gl_attribList[0] = 0;
else
{
int i = 0;
// default settings if attriblist = 0
gl_attribList[i++] = GLX_RGBA;
gl_attribList[i++] = GLX_DOUBLEBUFFER;
gl_attribList[i++] = GLX_DEPTH_SIZE; gl_attribList[i++] = 1;
gl_attribList[i++] = GLX_RED_SIZE; gl_attribList[i++] = 1;
gl_attribList[i++] = GLX_GREEN_SIZE; gl_attribList[i++] = 1;
gl_attribList[i++] = GLX_BLUE_SIZE; gl_attribList[i++] = 1;
gl_attribList[i++] = GLX_ALPHA_SIZE; gl_attribList[i++] = 0;
gl_attribList[i++] = None;
}
}
else
{
int arg=0, p=0;
while( (wx_attribList[arg]!=0) && (p<510) )
{
switch( wx_attribList[arg++] )
{
case WX_GL_RGBA:
if (wxGLCanvas::GetGLXVersion() <= 12)
// for GLX >= 1.3, GLX_RGBA is useless (setting this flags will crash on most opengl implm)
gl_attribList[p++] = GLX_RGBA;
break;
case WX_GL_BUFFER_SIZE:
gl_attribList[p++]=GLX_BUFFER_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_LEVEL:
gl_attribList[p++]=GLX_LEVEL; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_DOUBLEBUFFER:
if (wxGLCanvas::GetGLXVersion() <= 12)
gl_attribList[p++] = GLX_DOUBLEBUFFER;
else
// for GLX >= 1.3, GLX_DOUBLEBUFFER format is different (1 <=> True)
// it seems this flag is useless for some hardware opengl implementation.
// but for Mesa 6.2.1, this flag is used so don't ignore it.
gl_attribList[p++] = GLX_DOUBLEBUFFER; gl_attribList[p++]=1;
break;
case WX_GL_STEREO: gl_attribList[p++] = GLX_STEREO; break;
case WX_GL_AUX_BUFFERS:
gl_attribList[p++]=GLX_AUX_BUFFERS; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_RED:
gl_attribList[p++]=GLX_RED_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_GREEN:
gl_attribList[p++]=GLX_GREEN_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_BLUE:
gl_attribList[p++]=GLX_BLUE_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_ALPHA:
gl_attribList[p++]=GLX_ALPHA_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_DEPTH_SIZE:
gl_attribList[p++]=GLX_DEPTH_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_STENCIL_SIZE:
gl_attribList[p++]=GLX_STENCIL_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_ACCUM_RED:
gl_attribList[p++]=GLX_ACCUM_RED_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_ACCUM_GREEN:
gl_attribList[p++]=GLX_ACCUM_GREEN_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_ACCUM_BLUE:
gl_attribList[p++]=GLX_ACCUM_BLUE_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
case WX_GL_MIN_ACCUM_ALPHA:
gl_attribList[p++]=GLX_ACCUM_ALPHA_SIZE; gl_attribList[p++]=wx_attribList[arg++]; break;
default:
break;
}
}
gl_attribList[p] = 0;
}
}
void wxGLCanvas::QueryGLXVersion()
{
if (m_glxVersion == 0)
{
// check the GLX version
int glxMajorVer, glxMinorVer;
bool ok = glXQueryVersion(GDK_DISPLAY(), &glxMajorVer, &glxMinorVer);
wxASSERT_MSG( ok, _T("GLX version not found") );
if (!ok)
m_glxVersion = 10; // 1.0 by default
else
m_glxVersion = glxMajorVer*10 + glxMinorVer;
}
}
int wxGLCanvas::GetGLXVersion()
{
wxASSERT_MSG( m_glxVersion>0, _T("GLX version has not been initialized with wxGLCanvas::QueryGLXVersion()") );
return m_glxVersion;
}
void wxGLCanvas::SwapBuffers()
{
if (m_glContext)
@@ -501,18 +622,39 @@ IMPLEMENT_CLASS(wxGLApp, wxApp)
wxGLApp::~wxGLApp()
{
if (m_glFBCInfo)
XFree(m_glFBCInfo);
if (m_glVisualInfo)
XFree(m_glVisualInfo);
}
bool wxGLApp::InitGLVisual(int *attribList)
{
wxGLCanvas::QueryGLXVersion();
if (wxGLCanvas::GetGLXVersion() >= 13)
{
// GLX >= 1.3
if (m_glFBCInfo)
XFree(m_glFBCInfo);
m_glFBCInfo = wxGLCanvas::ChooseGLFBC(attribList);
if (m_glFBCInfo)
{
if (m_glVisualInfo)
XFree(m_glVisualInfo);
m_glVisualInfo = glXGetVisualFromFBConfig(GDK_DISPLAY(), ((GLXFBConfig *)m_glFBCInfo)[0]);
}
return (m_glFBCInfo != NULL) && (m_glVisualInfo != NULL);
}
else
{
// GLX <= 1.2
if (m_glVisualInfo)
XFree(m_glVisualInfo);
m_glVisualInfo = wxGLCanvas::ChooseGLVisual(attribList);
return m_glVisualInfo != NULL;
}
}
#endif