Fix X11/GLX failing with multi-sample

Caused by D643, in fact we need to get the visualInfo before creating the window.
This commit is contained in:
Campbell Barton 2014-11-14 13:43:22 +01:00
parent 2c3a503731
commit 08974c22e4
5 changed files with 185 additions and 164 deletions

@ -54,6 +54,7 @@ GHOST_ContextGLX::GHOST_ContextGLX(
GHOST_TUns16 numOfAASamples,
Window window,
Display *display,
XVisualInfo *visualInfo,
int contextProfileMask,
int contextMajorVersion,
int contextMinorVersion,
@ -61,13 +62,13 @@ GHOST_ContextGLX::GHOST_ContextGLX(
int contextResetNotificationStrategy)
: GHOST_Context(stereoVisual, numOfAASamples),
m_display(display),
m_visualInfo(visualInfo),
m_window(window),
m_contextProfileMask(contextProfileMask),
m_contextMajorVersion(contextMajorVersion),
m_contextMinorVersion(contextMinorVersion),
m_contextFlags(contextFlags),
m_contextResetNotificationStrategy(contextResetNotificationStrategy),
m_visualInfo(NULL),
m_context(None)
#ifdef WITH_GLEW_MX
,
@ -104,8 +105,6 @@ GHOST_ContextGLX::~GHOST_ContextGLX()
delete m_glxewContext;
#endif
}
XFree(m_visualInfo);
}
@ -145,121 +144,6 @@ void GHOST_ContextGLX::initContextGLXEW()
GHOST_TSuccess GHOST_ContextGLX::initializeDrawingContext()
{
/* Set up the minimum attributes that we require and see if
* X can find us a visual matching those requirements. */
std::vector<int> attribs;
attribs.reserve(40);
int glx_major, glx_minor; /* GLX version: major.minor */
if (!glXQueryVersion(m_display, &glx_major, &glx_minor)) {
fprintf(stderr,
"%s:%d: X11 glXQueryVersion() failed, "
"verify working openGL system!\n",
__FILE__, __LINE__);
/* exit if this is the first window */
if (s_sharedContext == NULL) {
fprintf(stderr, "initial window could not find the GLX extension, exit!\n");
exit(EXIT_FAILURE);
}
return GHOST_kFailure;
}
#ifdef GHOST_OPENGL_ALPHA
const bool needAlpha = true;
#else
const bool needAlpha = false;
#endif
#ifdef GHOST_OPENGL_STENCIL
const bool needStencil = true;
#else
const bool needStencil = false;
#endif
/* Find the display with highest samples, starting at level requested */
int actualSamples = m_numOfAASamples;
for (;;) {
attribs.clear();
if (m_stereoVisual)
attribs.push_back(GLX_STEREO);
attribs.push_back(GLX_RGBA);
attribs.push_back(GLX_DOUBLEBUFFER);
attribs.push_back(GLX_RED_SIZE);
attribs.push_back(1);
attribs.push_back(GLX_BLUE_SIZE);
attribs.push_back(1);
attribs.push_back(GLX_GREEN_SIZE);
attribs.push_back(1);
attribs.push_back(GLX_DEPTH_SIZE);
attribs.push_back(1);
if (needAlpha) {
attribs.push_back(GLX_ALPHA_SIZE);
attribs.push_back(1);
}
if (needStencil) {
attribs.push_back(GLX_STENCIL_SIZE);
attribs.push_back(1);
}
/* GLX >= 1.4 required for multi-sample */
if (actualSamples > 0 && ((glx_major > 1) || (glx_major == 1 && glx_minor >= 4))) {
attribs.push_back(GLX_SAMPLE_BUFFERS);
attribs.push_back(1);
attribs.push_back(GLX_SAMPLES);
attribs.push_back(actualSamples);
}
attribs.push_back(None);
m_visualInfo = glXChooseVisual(m_display, DefaultScreen(m_display), &attribs[0]);
/* Any sample level or even zero, which means oversampling disabled, is good
* but we need a valid visual to continue */
if (m_visualInfo != NULL) {
if (actualSamples < m_numOfAASamples) {
fprintf(stderr,
"Warning! Unable to find a multisample pixel format that supports exactly %d samples. "
"Substituting one that uses %d samples.\n",
m_numOfAASamples, actualSamples);
}
break;
}
if (actualSamples == 0) {
/* All options exhausted, cannot continue */
fprintf(stderr,
"%s:%d: X11 glXChooseVisual() failed, "
"verify working openGL system!\n",
__FILE__, __LINE__);
if (s_sharedContext == None) {
fprintf(stderr, "initial window could not find the GLX extension, exit!\n");
exit(1);
}
return GHOST_kFailure;
}
else {
--actualSamples;
}
}
m_numOfAASamples = actualSamples;
#ifdef WITH_X11_XINPUT
/* use our own event handlers to avoid exiting blender,
* this would happen for eg:

@ -65,6 +65,7 @@ public:
GHOST_TUns16 numOfAASamples,
Window window,
Display *display,
XVisualInfo *visualInfo,
int contextProfileMask,
int contextMajorVersion,
int contextMinorVersion,
@ -126,6 +127,7 @@ private:
void initContextGLXEW();
Display *m_display;
XVisualInfo *m_visualInfo;
Window m_window;
const int m_contextProfileMask;
@ -134,8 +136,6 @@ private:
const int m_contextFlags;
const int m_contextResetNotificationStrategy;
XVisualInfo *m_visualInfo;
GLXContext m_context;
#ifdef WITH_GLEW_MX

@ -32,6 +32,11 @@
* \ingroup GHOST
*/
#include <X11/Xatom.h>
#include <X11/keysym.h>
#include <X11/XKBlib.h> /* allow detectable autorepeate */
#include <X11/Xutil.h>
#include "GHOST_SystemX11.h"
#include "GHOST_WindowX11.h"
#include "GHOST_WindowManager.h"
@ -52,11 +57,6 @@
#include "GHOST_Debug.h"
#include <X11/Xatom.h>
#include <X11/keysym.h>
#include <X11/XKBlib.h> /* allow detectable autorepeate */
#include <X11/Xutil.h>
#ifdef WITH_XF86KEYSYM
#include <X11/XF86keysym.h>
#endif

@ -29,6 +29,10 @@
* \ingroup GHOST
*/
/* For standard X11 cursors */
#include <X11/cursorfont.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include "GHOST_WindowX11.h"
#include "GHOST_SystemX11.h"
@ -45,11 +49,6 @@
# include "GHOST_ContextGLX.h"
#endif
/* For standard X11 cursors */
#include <X11/cursorfont.h>
#include <X11/Xatom.h>
#if defined(__sun__) || defined(__sun) || defined(__sparc) || defined(__sparc__) || defined(_AIX)
# include <strings.h>
#endif
@ -153,7 +152,118 @@ static long BLENDER_ICON_48x48x32[] = {
4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303, 4671303,
};
static XVisualInfo *x11_visualinfo_from_glx(
Display *display,
bool stereoVisual, GHOST_TUns16 *r_numOfAASamples)
{
XVisualInfo *visualInfo = NULL;
GHOST_TUns16 numOfAASamples = *r_numOfAASamples;
/* Set up the minimum attributes that we require and see if
* X can find us a visual matching those requirements. */
std::vector<int> attribs;
attribs.reserve(40);
int glx_major, glx_minor; /* GLX version: major.minor */
if (!glXQueryVersion(display, &glx_major, &glx_minor)) {
fprintf(stderr,
"%s:%d: X11 glXQueryVersion() failed, "
"verify working openGL system!\n",
__FILE__, __LINE__);
return NULL;
}
#ifdef GHOST_OPENGL_ALPHA
const bool needAlpha = true;
#else
const bool needAlpha = false;
#endif
#ifdef GHOST_OPENGL_STENCIL
const bool needStencil = true;
#else
const bool needStencil = false;
#endif
/* Find the display with highest samples, starting at level requested */
GHOST_TUns16 actualSamples = numOfAASamples;
for (;;) {
attribs.clear();
if (stereoVisual)
attribs.push_back(GLX_STEREO);
attribs.push_back(GLX_RGBA);
attribs.push_back(GLX_DOUBLEBUFFER);
attribs.push_back(GLX_RED_SIZE);
attribs.push_back(1);
attribs.push_back(GLX_BLUE_SIZE);
attribs.push_back(1);
attribs.push_back(GLX_GREEN_SIZE);
attribs.push_back(1);
attribs.push_back(GLX_DEPTH_SIZE);
attribs.push_back(1);
if (needAlpha) {
attribs.push_back(GLX_ALPHA_SIZE);
attribs.push_back(1);
}
if (needStencil) {
attribs.push_back(GLX_STENCIL_SIZE);
attribs.push_back(1);
}
/* GLX >= 1.4 required for multi-sample */
if (actualSamples > 0 && ((glx_major > 1) || (glx_major == 1 && glx_minor >= 4))) {
attribs.push_back(GLX_SAMPLE_BUFFERS);
attribs.push_back(1);
attribs.push_back(GLX_SAMPLES);
attribs.push_back(actualSamples);
}
attribs.push_back(None);
visualInfo = glXChooseVisual(display, DefaultScreen(display), &attribs[0]);
/* Any sample level or even zero, which means oversampling disabled, is good
* but we need a valid visual to continue */
if (visualInfo != NULL) {
if (actualSamples < numOfAASamples) {
fprintf(stderr,
"Warning! Unable to find a multisample pixel format that supports exactly %d samples. "
"Substituting one that uses %d samples.\n",
numOfAASamples, actualSamples);
}
break;
}
if (actualSamples == 0) {
/* All options exhausted, cannot continue */
fprintf(stderr,
"%s:%d: X11 glXChooseVisual() failed, "
"verify working openGL system!\n",
__FILE__, __LINE__);
return NULL;
}
else {
--actualSamples;
}
}
*r_numOfAASamples = actualSamples;
return visualInfo;
}
GHOST_WindowX11::
GHOST_WindowX11(
@ -172,6 +282,7 @@ GHOST_WindowX11(
const GHOST_TUns16 numOfAASamples)
: GHOST_Window(width, height, state, stereoVisual, exclusive, numOfAASamples),
m_display(display),
m_visualInfo(NULL),
m_normal_state(GHOST_kWindowStateNormal),
m_system(system),
m_valid_setup(false),
@ -180,6 +291,21 @@ GHOST_WindowX11(
m_custom_cursor(None),
m_visible_cursor(None)
{
if (type == GHOST_kDrawingContextTypeOpenGL) {
m_visualInfo = x11_visualinfo_from_glx(m_display, stereoVisual, &m_wantNumOfAASamples);
}
else {
XVisualInfo tmp = {0};
int n;
m_visualInfo = XGetVisualInfo(m_display, 0, &tmp, &n);
}
/* exit if this is the first window */
if (m_visualInfo == NULL) {
fprintf(stderr, "initial window could not find the GLX extension, exit!\n");
exit(EXIT_FAILURE);
}
int natom;
unsigned int xattributes_valuemask = 0;
@ -206,21 +332,26 @@ GHOST_WindowX11(
xattributes.override_redirect = True;
}
xattributes_valuemask |= CWColormap;
xattributes.colormap = XCreateColormap(
m_display,
RootWindow(m_display, m_visualInfo->screen),
m_visualInfo->visual,
AllocNone
);
/* create the window! */
if (parentWindow == 0) {
m_window = XCreateWindow(m_display,
RootWindow(m_display, DefaultScreen(m_display)),
left,
top,
width,
height,
0, /* no border. */
CopyFromParent,
InputOutput,
CopyFromParent,
xattributes_valuemask,
&xattributes
);
m_window = XCreateWindow(
m_display,
RootWindow(m_display, m_visualInfo->screen),
left, top, width, height,
0, /* no border. */
m_visualInfo->depth,
InputOutput,
m_visualInfo->visual,
xattributes_valuemask,
&xattributes);
}
else {
@ -237,19 +368,16 @@ GHOST_WindowX11(
height = h_return;
m_window = XCreateWindow(m_display,
parentWindow, /* reparent against embedder */
left,
top,
width,
height,
0, /* no border. */
CopyFromParent,
InputOutput,
CopyFromParent,
xattributes_valuemask,
&xattributes
);
m_window = XCreateWindow(
m_display,
parentWindow, /* reparent against embedder */
left, top, width, height,
0, /* no border. */
m_visualInfo->depth,
InputOutput,
m_visualInfo->visual,
xattributes_valuemask,
&xattributes);
XSelectInput(m_display, parentWindow, SubstructureNotifyMask);
@ -602,7 +730,7 @@ screenToClient(
Window temp;
XTranslateCoordinates(m_display,
RootWindow(m_display, DefaultScreen(m_display)),
RootWindow(m_display, m_visualInfo->screen),
m_window,
inX, inY,
&ax, &ay,
@ -625,7 +753,7 @@ clientToScreen(
XTranslateCoordinates(
m_display,
m_window,
RootWindow(m_display, DefaultScreen(m_display)),
RootWindow(m_display, m_visualInfo->screen),
inX, inY,
&ax, &ay,
&temp);
@ -648,7 +776,7 @@ void GHOST_WindowX11::icccmSetState(int state)
xev.xclient.format = 32;
xev.xclient.message_type = m_system->m_atom.WM_CHANGE_STATE;
xev.xclient.data.l[0] = state;
XSendEvent(m_display, RootWindow(m_display, DefaultScreen(m_display)),
XSendEvent(m_display, RootWindow(m_display, m_visualInfo->screen),
False, SubstructureNotifyMask | SubstructureRedirectMask, &xev);
}
@ -694,7 +822,7 @@ void GHOST_WindowX11::netwmMaximized(bool set)
xev.xclient.data.l[2] = m_system->m_atom._NET_WM_STATE_MAXIMIZED_VERT;
xev.xclient.data.l[3] = 0;
xev.xclient.data.l[4] = 0;
XSendEvent(m_display, RootWindow(m_display, DefaultScreen(m_display)),
XSendEvent(m_display, RootWindow(m_display, m_visualInfo->screen),
False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
}
@ -750,7 +878,7 @@ void GHOST_WindowX11::netwmFullScreen(bool set)
xev.xclient.data.l[2] = 0;
xev.xclient.data.l[3] = 0;
xev.xclient.data.l[4] = 0;
XSendEvent(m_display, RootWindow(m_display, DefaultScreen(m_display)),
XSendEvent(m_display, RootWindow(m_display, m_visualInfo->screen),
False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
}
@ -969,7 +1097,7 @@ setOrder(
xev.xclient.data.l[3] = 0;
xev.xclient.data.l[4] = 0;
root = RootWindow(m_display, DefaultScreen(m_display)),
root = RootWindow(m_display, m_visualInfo->screen),
eventmask = SubstructureRedirectMask | SubstructureNotifyMask;
XSendEvent(m_display, root, False, eventmask, &xev);
@ -1068,6 +1196,10 @@ GHOST_WindowX11::
XSetSelectionOwner(m_display, Clipboard_atom, None, CurrentTime);
}
if (m_visualInfo) {
XFree(m_visualInfo);
}
#if defined(WITH_X11_XINPUT) && defined(X_HAVE_UTF8_STRING)
if (m_xic) {
XDestroyIC(m_xic);
@ -1095,6 +1227,7 @@ GHOST_Context *GHOST_WindowX11::newDrawingContext(GHOST_TDrawingContextType type
m_wantNumOfAASamples,
m_window,
m_display,
m_visualInfo,
GLX_CONTEXT_OPENGL_CORE_PROFILE_BIT,
3, 2,
GHOST_OPENGL_GLX_CONTEXT_FLAGS,
@ -1105,6 +1238,7 @@ GHOST_Context *GHOST_WindowX11::newDrawingContext(GHOST_TDrawingContextType type
m_wantNumOfAASamples,
m_window,
m_display,
m_visualInfo,
GLX_CONTEXT_ES2_PROFILE_BIT_EXT,
2, 0,
GHOST_OPENGL_GLX_CONTEXT_FLAGS,
@ -1115,6 +1249,7 @@ GHOST_Context *GHOST_WindowX11::newDrawingContext(GHOST_TDrawingContextType type
m_wantNumOfAASamples,
m_window,
m_display,
m_visualInfo,
0, // profile bit
0, 0,
GHOST_OPENGL_GLX_CONTEXT_FLAGS,
@ -1237,7 +1372,7 @@ getEmptyCursor(
/* make a blank cursor */
blank = XCreateBitmapFromData(
m_display,
RootWindow(m_display, DefaultScreen(m_display)),
RootWindow(m_display, m_visualInfo->screen),
data, 1, 1
);
@ -1356,7 +1491,7 @@ setWindowCustomCursorShape(
int fg_color,
int bg_color)
{
Colormap colormap = DefaultColormap(m_display, DefaultScreen(m_display));
Colormap colormap = DefaultColormap(m_display, m_visualInfo->screen);
Pixmap bitmap_pix, mask_pix;
XColor fg, bg;

@ -319,6 +319,8 @@ private:
Window m_window;
Display *m_display;
XVisualInfo *m_visualInfo;
GHOST_TWindowState m_normal_state;
/** A pointer to the typed system class. */