glx.c revision 19316fa5e707a23324c91b47aebf8697362428b3
/* Copyright (c) 2001, Stanford University
* All rights reserved
*
* See the file LICENSE.txt for information on redistributing this software.
*/
/* opengl_stub/glx.c */
#include "chromium.h"
#include "cr_error.h"
#include "cr_spu.h"
#include "cr_mem.h"
#include "cr_string.h"
#include "stub.h"
#include "dri_glx.h"
#include "GL/internal/glcore.h"
#include "cr_glstate.h"
#include <X11/Xregion.h>
//#define VBOX_NO_NATIVEGL
/* Force full pixmap update if there're more damaged regions than this number*/
#define CR_MAX_DAMAGE_REGIONS_TRACKED 50
/* Force "bigger" update (full or clip) if it's reducing number of regions updated
* but doesn't increase updated area more than given number
*/
#define CR_MIN_DAMAGE_PROFIT_SIZE 64*64
/*@todo combine it in some other place*/
/* Size of pack spu buffer - some delta for commands packing, see pack/packspu_config.c*/
/** Ramshankar: Solaris compiz fix */
#ifdef RT_OS_SOLARIS
# define CR_MAX_TRANSFER_SIZE 20*1024*1024
#else
# define CR_MAX_TRANSFER_SIZE 4*1024*1024
#endif
/** For optimizing glXMakeCurrent */
static Display *currentDisplay = NULL;
static GLXDrawable currentDrawable = 0;
static GLXDrawable currentReadDrawable = 0;
/**
* Keep a list of structures which associates X visual IDs with
* Chromium visual bitmasks.
*/
struct VisualInfo {
Display *dpy;
int screen;
VisualID visualid;
int visBits;
struct VisualInfo *next;
};
static struct VisualInfo *VisualInfoList = NULL;
static void stubXshmUpdateImageRect(Display *dpy, GLXDrawable draw, GLX_Pixmap_t *pGlxPixmap, XRectangle *pRect);
static void
AddVisualInfo(Display *dpy, int screen, VisualID visualid, int visBits)
{
struct VisualInfo *v;
for (v = VisualInfoList; v; v = v->next) {
if (v->dpy == dpy && v->screen == screen && v->visualid == visualid) {
v->visBits |= visBits;
return;
}
}
v = (struct VisualInfo *) crAlloc(sizeof(struct VisualInfo));
v->dpy = dpy;
v->screen = screen;
v->visualid = visualid;
v->visBits = visBits;
v->next = VisualInfoList;
VisualInfoList = v;
}
static struct VisualInfo *
FindVisualInfo(Display *dpy, int screen, VisualID visualid)
{
struct VisualInfo *v;
for (v = VisualInfoList; v; v = v->next) {
if (v->dpy == dpy && v->screen == screen && v->visualid == visualid)
return v;
}
return NULL;
}
/**
* Return string for a GLX error code
*/
static const char *glx_error_string(int err)
{
static const char *glxErrors[] = {
"none",
"GLX_BAD_SCREEN",
"GLX_BAD_ATTRIBUTE",
"GLX_NO_EXTENSION",
"GLX_BAD_VISUAL",
"GLX_BAD_CONTEXT",
"GLX_BAD_VALUE",
"GLX_BAD_ENUM"
};
if (err > 0 && err < 8) {
return glxErrors[err];
}
else {
static char tmp[100];
sprintf(tmp, "0x%x", err);
return tmp;
}
}
/* Given an XVisualInfo structure, try to figure out what its
* OpenGL capabilities are, if we have a native OpenGL.
* Returns 0 if no information is available.
*/
static struct {
int gl_attrib;
char *attrib_name;
enum {TEST_TRUE, TEST_GREATER_0} test;
int match_vis_bits;
} attrib_map[] = {
{GLX_RGBA, "GLX_RGBA", TEST_TRUE, CR_RGB_BIT},
{GLX_DOUBLEBUFFER, "GLX_DOUBLEBUFFER", TEST_TRUE, CR_DOUBLE_BIT},
{GLX_STEREO, "GLX_STEREO", TEST_TRUE, CR_STEREO_BIT},
{GLX_LEVEL, "GLX_LEVEL", TEST_GREATER_0, CR_OVERLAY_BIT},
{GLX_ALPHA_SIZE, "GLX_ALPHA_SIZE", TEST_GREATER_0, CR_ALPHA_BIT},
{GLX_DEPTH_SIZE, "GLX_DEPTH_SIZE", TEST_GREATER_0, CR_DEPTH_BIT},
{GLX_STENCIL_SIZE, "GLX_STENCIL_SIZE", TEST_GREATER_0, CR_STENCIL_BIT},
{GLX_ACCUM_RED_SIZE, "GLX_ACCUM_RED_SIZE", TEST_GREATER_0, CR_ACCUM_BIT},
{GLX_SAMPLE_BUFFERS_SGIS, "GLX_SAMPLE_BUFFERS_SGIS", TEST_GREATER_0, CR_MULTISAMPLE_BIT},
};
#ifndef VBOX_NO_NATIVEGL /* Currently not used */
static int QueryVisBits(Display *dpy, XVisualInfo *vis)
{
int visBits = 0;
int foo, bar, return_val, value;
unsigned int i;
/* We can only query the OpenGL capabilities if we actually
* have a native OpenGL underneath us. Without it, we can't
* get at all the actual OpenGL characteristics.
*/
if (!stub.haveNativeOpenGL) return 0;
if (!stub.wsInterface.glXQueryExtension(dpy, &foo, &bar)) return 0;
/* If we don't have the GLX_USE_GL attribute, we've failed. */
return_val = stub.wsInterface.glXGetConfig(dpy, vis, GLX_USE_GL, &value);
if (return_val) {
crDebug("native glXGetConfig returned %d (%s) at %s line %d",
return_val, glx_error_string(return_val), __FILE__, __LINE__);
return 0;
}
if (value == 0) {
crDebug("visual ID 0x%x doesn't support OpenGL at %s line %d",
(int) vis->visual->visualid, __FILE__, __LINE__);
return 0;
}
for (i = 0; i < sizeof(attrib_map)/sizeof(attrib_map[0]); i++) {
return_val = stub.wsInterface.glXGetConfig(dpy, vis, attrib_map[i].gl_attrib, &value);
if (return_val) {
crDebug("native glXGetConfig(%s) returned %d (%s) at %s line %d",
attrib_map[i].attrib_name, return_val, glx_error_string(return_val), __FILE__, __LINE__);
return 0;
}
switch(attrib_map[i].test) {
case TEST_TRUE:
if (value)
visBits |= attrib_map[i].match_vis_bits;
break;
case TEST_GREATER_0:
if (value > 0)
visBits |= attrib_map[i].match_vis_bits;
break;
default:
crWarning("illegal attribute map test for %s at %s line %d",
attrib_map[i].attrib_name, __FILE__, __LINE__);
return 0;
}
}
return visBits;
}
#endif /* not 0 */
#ifndef VBOX_NO_NATIVEGL /* Old code */
DECLEXPORT(XVisualInfo *)
VBOXGLXTAG(glXChooseVisual)( Display *dpy, int screen, int *attribList )
{
XVisualInfo *vis;
int *attrib;
int visBits = 0;
stubInit();
for (attrib = attribList; *attrib != None; attrib++)
{
switch (*attrib)
{
case GLX_USE_GL:
/* ignored, this is mandatory */
break;
case GLX_BUFFER_SIZE:
/* this is for color-index visuals, which we don't support */
attrib++;
break;
case GLX_LEVEL:
if (attrib[1] > 0)
visBits |= CR_OVERLAY_BIT;
attrib++;
break;
case GLX_RGBA:
visBits |= CR_RGB_BIT;
break;
case GLX_DOUBLEBUFFER:
visBits |= CR_DOUBLE_BIT;
break;
case GLX_STEREO:
visBits |= CR_STEREO_BIT;
/*
crWarning( "glXChooseVisual: stereo unsupported" );
return NULL;
*/
break;
case GLX_AUX_BUFFERS:
{
int aux_buffers = attrib[1];
if (aux_buffers != 0)
{
crWarning("glXChooseVisual: aux_buffers=%d unsupported",
aux_buffers);
return NULL;
}
}
attrib++;
break;
case GLX_RED_SIZE:
case GLX_GREEN_SIZE:
case GLX_BLUE_SIZE:
if (attrib[1] > 0)
visBits |= CR_RGB_BIT;
attrib++;
break;
case GLX_ALPHA_SIZE:
if (attrib[1] > 0)
visBits |= CR_ALPHA_BIT;
attrib++;
break;
case GLX_DEPTH_SIZE:
if (attrib[1] > 0)
visBits |= CR_DEPTH_BIT;
attrib++;
break;
case GLX_STENCIL_SIZE:
if (attrib[1] > 0)
visBits |= CR_STENCIL_BIT;
attrib++;
break;
case GLX_ACCUM_RED_SIZE:
case GLX_ACCUM_GREEN_SIZE:
case GLX_ACCUM_BLUE_SIZE:
case GLX_ACCUM_ALPHA_SIZE:
if (attrib[1] > 0)
visBits |= CR_ACCUM_BIT;
attrib++;
break;
case GLX_SAMPLE_BUFFERS_SGIS: /* aka GLX_SAMPLES_ARB */
if (attrib[1] > 0)
visBits |= CR_MULTISAMPLE_BIT;
attrib++;
break;
case GLX_SAMPLES_SGIS: /* aka GLX_SAMPLES_ARB */
/* just ignore value for now, we'll try to get 4 samples/pixel */
if (attrib[1] > 4)
return NULL;
visBits |= CR_MULTISAMPLE_BIT;
attrib++;
break;
#ifdef GLX_VERSION_1_3
case GLX_X_VISUAL_TYPE:
case GLX_TRANSPARENT_TYPE_EXT:
case GLX_TRANSPARENT_INDEX_VALUE_EXT:
case GLX_TRANSPARENT_RED_VALUE_EXT:
case GLX_TRANSPARENT_GREEN_VALUE_EXT:
case GLX_TRANSPARENT_BLUE_VALUE_EXT:
case GLX_TRANSPARENT_ALPHA_VALUE_EXT:
/* ignore */
crWarning("glXChooseVisual: ignoring attribute 0x%x", *attrib);
attrib++;
break;
#endif
default:
crWarning( "glXChooseVisual: bad attrib=0x%x", *attrib );
return NULL;
}
}
if ((visBits & CR_RGB_BIT) == 0 && (visBits & CR_OVERLAY_BIT) == 0)
{
/* normal layer, color index mode not supported */
crWarning( "glXChooseVisual: didn't request RGB visual?" );
return NULL;
}
vis = crChooseVisual(&stub.wsInterface, dpy, screen, GL_FALSE, visBits);
if (!vis && (visBits & CR_STEREO_BIT)) {
/* try non-stereo */
visBits &= ~CR_STEREO_BIT;
vis = crChooseVisual(&stub.wsInterface, dpy, screen, GL_FALSE, visBits);
}
if (vis) {
AddVisualInfo(dpy, screen, vis->visual->visualid, visBits);
}
return vis;
}
#else /* not 0 */
DECLEXPORT(XVisualInfo *)
VBOXGLXTAG(glXChooseVisual)( Display *dpy, int screen, int *attribList )
{
bool useRGBA = false;
int *attrib;
XVisualInfo searchvis, *pret;
int nvisuals;
stubInit();
for (attrib = attribList; *attrib != None; attrib++)
{
switch (*attrib)
{
case GLX_USE_GL:
/* ignored, this is mandatory */
break;
case GLX_BUFFER_SIZE:
/* this is for color-index visuals, which we don't support */
attrib++;
break;
case GLX_LEVEL:
if (attrib[1] != 0)
goto err_exit;
attrib++;
break;
case GLX_RGBA:
useRGBA = true;
break;
case GLX_STEREO:
goto err_exit;
/*
crWarning( "glXChooseVisual: stereo unsupported" );
return NULL;
*/
break;
case GLX_AUX_BUFFERS:
if (attrib[1] != 0)
goto err_exit;
attrib++;
break;
case GLX_RED_SIZE:
case GLX_GREEN_SIZE:
case GLX_BLUE_SIZE:
if (attrib[1] > 8)
goto err_exit;
attrib++;
break;
case GLX_ALPHA_SIZE:
if (attrib[1] > 8)
goto err_exit;
attrib++;
break;
case GLX_DEPTH_SIZE:
if (attrib[1] > 24)
goto err_exit;
attrib++;
break;
case GLX_STENCIL_SIZE:
if (attrib[1] > 8)
goto err_exit;
attrib++;
break;
case GLX_ACCUM_RED_SIZE:
case GLX_ACCUM_GREEN_SIZE:
case GLX_ACCUM_BLUE_SIZE:
case GLX_ACCUM_ALPHA_SIZE:
if (attrib[1] > 16)
goto err_exit;
attrib++;
break;
case GLX_SAMPLE_BUFFERS_SGIS: /* aka GLX_SAMPLES_ARB */
if (attrib[1] > 0)
goto err_exit;
attrib++;
break;
case GLX_SAMPLES_SGIS: /* aka GLX_SAMPLES_ARB */
if (attrib[1] > 0)
goto err_exit;
attrib++;
break;
case GLX_DOUBLEBUFFER: /* @todo, check if we support it */
break;
#ifdef GLX_VERSION_1_3
case GLX_X_VISUAL_TYPE:
case GLX_TRANSPARENT_TYPE_EXT:
case GLX_TRANSPARENT_INDEX_VALUE_EXT:
case GLX_TRANSPARENT_RED_VALUE_EXT:
case GLX_TRANSPARENT_GREEN_VALUE_EXT:
case GLX_TRANSPARENT_BLUE_VALUE_EXT:
case GLX_TRANSPARENT_ALPHA_VALUE_EXT:
/* ignore */
crWarning("glXChooseVisual: ignoring attribute 0x%x", *attrib);
attrib++;
break;
#endif
default:
crWarning( "glXChooseVisual: bad attrib=0x%x, ignoring", *attrib );
attrib++;
//return NULL;
}
}
if (!useRGBA)
return NULL;
XLOCK(dpy);
searchvis.visualid = XVisualIDFromVisual(DefaultVisual(dpy, screen));
pret = XGetVisualInfo(dpy, VisualIDMask, &searchvis, &nvisuals);
XUNLOCK(dpy);
if (nvisuals!=1) crWarning("glXChooseVisual: XGetVisualInfo returned %i visuals for %x", nvisuals, (unsigned int) searchvis.visualid);
if (pret)
crDebug("glXChooseVisual returned %x depth=%i", (unsigned int)pret->visualid, pret->depth);
return pret;
err_exit:
crDebug("glXChooseVisual returning NULL, due to attrib=0x%x, next=0x%x", attrib[0], attrib[1]);
return NULL;
}
#endif
/**
** There is a problem with glXCopyContext.
** IRIX and Mesa both define glXCopyContext
** to have the mask argument being a
** GLuint. XFree 4 and oss.sgi.com
** define it to be an unsigned long.
** Solution: We don't support
** glXCopyContext anyway so we'll just
** #ifdef out the code.
*/
DECLEXPORT(void)
VBOXGLXTAG(glXCopyContext)( Display *dpy, GLXContext src, GLXContext dst,
#if defined(AIX) || defined(PLAYSTATION2)
GLuint mask )
#elif defined(SunOS)
unsigned long mask )
#else
unsigned long mask )
#endif
{
(void) dpy;
(void) src;
(void) dst;
(void) mask;
crWarning( "Unsupported GLX Call: glXCopyContext()" );
}
/**
* Get the display string for the given display pointer.
* Never return just ":0.0". In that case, prefix with our host name.
*/
static void
stubGetDisplayString( Display *dpy, char *nameResult, int maxResult )
{
const char *dpyName = DisplayString(dpy);
char host[1000];
#ifndef VBOX_NO_NATIVEGL
if (dpyName[0] == ':')
{
crGetHostname(host, 1000);
}
else
#endif
{
host[0] = 0;
}
if (crStrlen(host) + crStrlen(dpyName) >= maxResult - 1)
{
/* return null string */
crWarning("Very long host / display name string in stubDisplayString!");
nameResult[0] = 0;
}
else
{
/* return host concatenated with dpyName */
crStrcpy(nameResult, host);
crStrcat(nameResult, dpyName);
}
}
DECLEXPORT(GLXContext)
VBOXGLXTAG(glXCreateContext)(Display *dpy, XVisualInfo *vis, GLXContext share, Bool direct)
{
char dpyName[MAX_DPY_NAME];
ContextInfo *context;
int visBits = CR_RGB_BIT | CR_DOUBLE_BIT | CR_DEPTH_BIT; /* default vis */
int i, numExt;
stubInit();
CRASSERT(stub.contextTable);
/*
{
char **list;
list = XListExtensions(dpy, &numExt);
crDebug("X extensions [%i]:", numExt);
for (i=0; i<numExt; ++i)
{
crDebug("%s", list[i]);
}
XFreeExtensionList(list);
}
*/
stubGetDisplayString(dpy, dpyName, MAX_DPY_NAME);
#ifndef VBOX_NO_NATIVEGL /* We only care about the host capabilities, not the guest. */
if (stub.haveNativeOpenGL) {
int foo, bar;
if (stub.wsInterface.glXQueryExtension(dpy, &foo, &bar)) {
/* If we have real GLX, compute the Chromium visual bitmask now.
* otherwise, we'll use the default desiredVisual bitmask.
*/
struct VisualInfo *v = FindVisualInfo(dpy, DefaultScreen(dpy),
vis->visual->visualid);
if (v) {
visBits = v->visBits;
/*crDebug("%s visBits=0x%x", __FUNCTION__, visBits);*/
}
else {
/* For some reason, we haven't tested this visual
* before. This could be because the visual was found
* through a different display connection to the same
* display (as happens in GeoProbe), or through a
* connection to an external daemon that queries
* visuals. If we can query it directly, we can still
* find the proper visBits.
*/
int newVisBits = QueryVisBits(dpy, vis);
if (newVisBits > 0) {
AddVisualInfo(dpy, DefaultScreen(dpy), vis->visual->visualid, newVisBits);
crDebug("Application used unexpected but queryable visual id 0x%x", (int) vis->visual->visualid);
visBits = newVisBits;
}
else {
crWarning("Application used unexpected and unqueryable visual id 0x%x; using default visbits", (int) vis->visual->visualid);
}
}
/*crDebug("ComputeVisBits(0x%x) = 0x%x", (int)vis->visual->visualid, visBits);*/
if (stub.force_pbuffers) {
crDebug("App faker: Forcing use of Pbuffers");
visBits |= CR_PBUFFER_BIT;
}
if (!v) {
AddVisualInfo(dpy, DefaultScreen(dpy),
vis->visual->visualid, visBits);
}
}
}
else {
crDebug("No native OpenGL; cannot compute visbits");
}
#endif
context = stubNewContext(dpyName, visBits, UNDECIDED, (unsigned long) share);
if (!context)
return 0;
context->dpy = dpy;
context->visual = vis;
context->direct = direct;
return (GLXContext) context->id;
}
DECLEXPORT(void) VBOXGLXTAG(glXDestroyContext)( Display *dpy, GLXContext ctx )
{
(void) dpy;
stubDestroyContext( (unsigned long) ctx );
}
typedef struct _stubFindPixmapParms_t {
ContextInfo *pCtx;
GLX_Pixmap_t *pGlxPixmap;
GLXDrawable draw;
} stubFindPixmapParms_t;
static void stubFindPixmapCB(unsigned long key, void *data1, void *data2)
{
ContextInfo *pCtx = (ContextInfo *) data1;
stubFindPixmapParms_t *pParms = (stubFindPixmapParms_t *) data2;
GLX_Pixmap_t *pGlxPixmap = (GLX_Pixmap_t *) crHashtableSearch(pCtx->pGLXPixmapsHash, (unsigned int) pParms->draw);
if (pGlxPixmap)
{
pParms->pCtx = pCtx;
pParms->pGlxPixmap = pGlxPixmap;
}
}
DECLEXPORT(Bool) VBOXGLXTAG(glXMakeCurrent)( Display *dpy, GLXDrawable drawable, GLXContext ctx )
{
ContextInfo *context;
WindowInfo *window;
Bool retVal;
/*crDebug("glXMakeCurrent(%p, 0x%x, 0x%x)", (void *) dpy, (int) drawable, (int) ctx);*/
/*check if passed drawable is GLXPixmap and not X Window*/
if (drawable)
{
GLX_Pixmap_t *pGlxPixmap = (GLX_Pixmap_t *) crHashtableSearch(stub.pGLXPixmapsHash, (unsigned int) drawable);
if (!pGlxPixmap)
{
stubFindPixmapParms_t parms;
parms.pGlxPixmap = NULL;
parms.draw = drawable;
crHashtableWalk(stub.contextTable, stubFindPixmapCB, &parms);
pGlxPixmap = parms.pGlxPixmap;
}
if (pGlxPixmap)
{
/*@todo*/
crWarning("Unimplemented glxMakeCurrent call with GLXPixmap passed, unexpected things might happen.");
}
}
if (ctx && drawable)
{
crHashtableLock(stub.windowTable);
crHashtableLock(stub.contextTable);
context = (ContextInfo *) crHashtableSearch(stub.contextTable, (unsigned long) ctx);
window = stubGetWindowInfo(dpy, drawable);
if (context && context->type == UNDECIDED) {
XLOCK(dpy);
XSync(dpy, 0); /* sync to force window creation on the server */
XUNLOCK(dpy);
}
}
else
{
dpy = NULL;
window = NULL;
context = NULL;
}
currentDisplay = dpy;
currentDrawable = drawable;
retVal = stubMakeCurrent(window, context);
if (ctx && drawable)
{
crHashtableUnlock(stub.contextTable);
crHashtableUnlock(stub.windowTable);
}
return retVal;
}
DECLEXPORT(GLXPixmap) VBOXGLXTAG(glXCreateGLXPixmap)( Display *dpy, XVisualInfo *vis, Pixmap pixmap )
{
stubInit();
return VBOXGLXTAG(glXCreatePixmap)(dpy, (GLXFBConfig)vis->visualid, pixmap, NULL);
}
DECLEXPORT(void) VBOXGLXTAG(glXDestroyGLXPixmap)( Display *dpy, GLXPixmap pix )
{
VBOXGLXTAG(glXDestroyPixmap)(dpy, pix);
}
#ifndef VBOX_NO_NATIVEGL /* old code */
DECLEXPORT(int) VBOXGLXTAG(glXGetConfig)( Display *dpy, XVisualInfo *vis, int attrib, int *value )
{
struct VisualInfo *v;
int visBits;
if (!vis) {
/* SGI OpenGL Performer hits this */
crWarning("glXGetConfig called with NULL XVisualInfo");
return GLX_BAD_VISUAL;
}
v = FindVisualInfo(dpy, DefaultScreen(dpy), vis->visual->visualid);
if (v) {
visBits = v->visBits;
}
else {
visBits = 0;
}
stubInit();
/* try to satisfy this request with the native glXGetConfig() */
if (stub.haveNativeOpenGL)
{
int foo, bar;
int return_val;
if (stub.wsInterface.glXQueryExtension(dpy, &foo, &bar))
{
return_val = stub.wsInterface.glXGetConfig( dpy, vis, attrib, value );
if (return_val)
{
crDebug("faker native glXGetConfig returned %s",
glx_error_string(return_val));
}
return return_val;
}
}
/*
* If the GLX application chooses its visual via a bunch of calls to
* glXGetConfig, instead of by calling glXChooseVisual, we need to keep
* track of which attributes are queried to help satisfy context creation
* later.
*/
switch ( attrib ) {
case GLX_USE_GL:
*value = 1;
break;
case GLX_BUFFER_SIZE:
*value = 32;
break;
case GLX_LEVEL:
visBits |= CR_OVERLAY_BIT;
*value = (visBits & CR_OVERLAY_BIT) ? 1 : 0;
break;
case GLX_RGBA:
visBits |= CR_RGB_BIT;
*value = 1;
break;
case GLX_DOUBLEBUFFER:
*value = 1;
break;
case GLX_STEREO:
*value = 1;
break;
case GLX_AUX_BUFFERS:
*value = 0;
break;
case GLX_RED_SIZE:
*value = 8;
break;
case GLX_GREEN_SIZE:
*value = 8;
break;
case GLX_BLUE_SIZE:
*value = 8;
break;
case GLX_ALPHA_SIZE:
visBits |= CR_ALPHA_BIT;
*value = (visBits & CR_ALPHA_BIT) ? 8 : 0;
break;
case GLX_DEPTH_SIZE:
visBits |= CR_DEPTH_BIT;
*value = 16;
break;
case GLX_STENCIL_SIZE:
visBits |= CR_STENCIL_BIT;
*value = 8;
break;
case GLX_ACCUM_RED_SIZE:
visBits |= CR_ACCUM_BIT;
*value = 16;
break;
case GLX_ACCUM_GREEN_SIZE:
visBits |= CR_ACCUM_BIT;
*value = 16;
break;
case GLX_ACCUM_BLUE_SIZE:
visBits |= CR_ACCUM_BIT;
*value = 16;
break;
case GLX_ACCUM_ALPHA_SIZE:
visBits |= CR_ACCUM_BIT;
*value = 16;
break;
case GLX_SAMPLE_BUFFERS_SGIS:
visBits |= CR_MULTISAMPLE_BIT;
*value = 0; /* fix someday */
break;
case GLX_SAMPLES_SGIS:
visBits |= CR_MULTISAMPLE_BIT;
*value = 0; /* fix someday */
break;
case GLX_VISUAL_CAVEAT_EXT:
*value = GLX_NONE_EXT;
break;
#if defined(SunOS)
/*
I don't think this is even a valid attribute for glxGetConfig.
No idea why this gets called under SunOS but we simply ignore it
-- jw
*/
case GLX_X_VISUAL_TYPE:
crWarning ("Ignoring Unsupported GLX Call: glxGetConfig with attrib 0x%x", attrib);
break;
#endif
case GLX_TRANSPARENT_TYPE:
*value = GLX_NONE_EXT;
break;
case GLX_TRANSPARENT_INDEX_VALUE:
*value = 0;
break;
case GLX_TRANSPARENT_RED_VALUE:
*value = 0;
break;
case GLX_TRANSPARENT_GREEN_VALUE:
*value = 0;
break;
case GLX_TRANSPARENT_BLUE_VALUE:
*value = 0;
break;
case GLX_TRANSPARENT_ALPHA_VALUE:
*value = 0;
break;
default:
crWarning( "Unsupported GLX Call: glXGetConfig with attrib 0x%x", attrib );
return GLX_BAD_ATTRIBUTE;
}
AddVisualInfo(dpy, DefaultScreen(dpy), vis->visual->visualid, visBits);
return 0;
}
#else /* not 0 */
DECLEXPORT(int) VBOXGLXTAG(glXGetConfig)( Display *dpy, XVisualInfo *vis, int attrib, int *value )
{
if (!vis) {
/* SGI OpenGL Performer hits this */
crWarning("glXGetConfig called with NULL XVisualInfo");
return GLX_BAD_VISUAL;
}
stubInit();
*value = 0; /* For sanity */
switch ( attrib ) {
case GLX_USE_GL:
*value = 1;
break;
case GLX_BUFFER_SIZE:
*value = 32;
break;
case GLX_LEVEL:
*value = 0; /* for now */
break;
case GLX_RGBA:
*value = 1;
break;
case GLX_DOUBLEBUFFER:
*value = 1;
break;
case GLX_STEREO:
*value = 1;
break;
case GLX_AUX_BUFFERS:
*value = 0;
break;
case GLX_RED_SIZE:
*value = 8;
break;
case GLX_GREEN_SIZE:
*value = 8;
break;
case GLX_BLUE_SIZE:
*value = 8;
break;
case GLX_ALPHA_SIZE:
*value = 8;
break;
case GLX_DEPTH_SIZE:
*value = 16;
break;
case GLX_STENCIL_SIZE:
*value = 8;
break;
case GLX_ACCUM_RED_SIZE:
*value = 16;
break;
case GLX_ACCUM_GREEN_SIZE:
*value = 16;
break;
case GLX_ACCUM_BLUE_SIZE:
*value = 16;
break;
case GLX_ACCUM_ALPHA_SIZE:
*value = 16;
break;
case GLX_SAMPLE_BUFFERS_SGIS:
*value = 0; /* fix someday */
break;
case GLX_SAMPLES_SGIS:
*value = 0; /* fix someday */
break;
case GLX_VISUAL_CAVEAT_EXT:
*value = GLX_NONE_EXT;
break;
#if defined(SunOS) || 1
/*
I don't think this is even a valid attribute for glxGetConfig.
No idea why this gets called under SunOS but we simply ignore it
-- jw
*/
case GLX_X_VISUAL_TYPE:
crWarning ("Ignoring Unsupported GLX Call: glxGetConfig with attrib 0x%x", attrib);
break;
#endif
case GLX_TRANSPARENT_TYPE:
*value = GLX_NONE_EXT;
break;
case GLX_TRANSPARENT_INDEX_VALUE:
*value = 0;
break;
case GLX_TRANSPARENT_RED_VALUE:
*value = 0;
break;
case GLX_TRANSPARENT_GREEN_VALUE:
*value = 0;
break;
case GLX_TRANSPARENT_BLUE_VALUE:
*value = 0;
break;
case GLX_TRANSPARENT_ALPHA_VALUE:
*value = 0;
break;
case GLX_DRAWABLE_TYPE:
*value = GLX_WINDOW_BIT;
break;
default:
crWarning( "Unsupported GLX Call: glXGetConfig with attrib 0x%x, ignoring...", attrib );
//return GLX_BAD_ATTRIBUTE;
*value = 0;
}
return 0;
}
#endif
DECLEXPORT(GLXContext) VBOXGLXTAG(glXGetCurrentContext)( void )
{
if (stub.currentContext)
return (GLXContext) stub.currentContext->id;
else
return (GLXContext) NULL;
}
DECLEXPORT(GLXDrawable) VBOXGLXTAG(glXGetCurrentDrawable)(void)
{
return currentDrawable;
}
DECLEXPORT(Display *) VBOXGLXTAG(glXGetCurrentDisplay)(void)
{
return currentDisplay;
}
DECLEXPORT(Bool) VBOXGLXTAG(glXIsDirect)(Display *dpy, GLXContext ctx)
{
(void) dpy;
(void) ctx;
crDebug("->glXIsDirect");
return True;
}
DECLEXPORT(Bool) VBOXGLXTAG(glXQueryExtension)(Display *dpy, int *errorBase, int *eventBase)
{
(void) dpy;
(void) errorBase;
(void) eventBase;
return 1; /* You BET we do... */
}
DECLEXPORT(Bool) VBOXGLXTAG(glXQueryVersion)( Display *dpy, int *major, int *minor )
{
(void) dpy;
*major = 1;
*minor = 3;
return 1;
}
static XErrorHandler oldErrorHandler;
static unsigned char lastXError = Success;
static int
errorHandler (Display *dpy, XErrorEvent *e)
{
lastXError = e->error_code;
return 0;
}
DECLEXPORT(void) VBOXGLXTAG(glXSwapBuffers)( Display *dpy, GLXDrawable drawable )
{
WindowInfo *window = stubGetWindowInfo(dpy, drawable);
stubSwapBuffers( window, 0 );
#ifdef VBOX_TEST_MEGOO
if (!stub.bXExtensionsChecked)
{
stubCheckXExtensions(window);
}
if (!stub.bHaveXComposite)
{
return;
}
{
Pixmap p;
XWindowAttributes attr;
XLOCK(dpy);
XGetWindowAttributes(dpy, window->drawable, &attr);
if (attr.override_redirect)
{
XUNLOCK(dpy);
return;
}
crLockMutex(&stub.mutex);
XSync(dpy, false);
oldErrorHandler = XSetErrorHandler(errorHandler);
/*@todo this creates new pixmap for window every call*/
/*p = XCompositeNameWindowPixmap(dpy, window->drawable);*/
XSync(dpy, false);
XSetErrorHandler(oldErrorHandler);
XUNLOCK(dpy);
if (lastXError==Success)
{
char *data, *imgdata;
GC gc;
XImage *image;
XVisualInfo searchvis, *pret;
int nvisuals;
XGCValues gcValues;
int i, rowsize;
XLOCK(dpy);
searchvis.visualid = attr.visual->visualid;
pret = XGetVisualInfo(dpy, VisualIDMask, &searchvis, &nvisuals);
if (nvisuals!=1) crWarning("XGetVisualInfo returned %i visuals for %x", nvisuals, (unsigned int) searchvis.visualid);
CRASSERT(pret);
gc = XCreateGC(dpy, window->drawable, 0, &gcValues);
if (!gc) crWarning("Failed to create gc!");
data = crCalloc(window->width * window->height * 4);
imgdata = crCalloc(window->width * window->height * 4);
CRASSERT(data && imgdata);
stub.spu->dispatch_table.ReadPixels(0, 0, window->width, window->height, GL_RGBA, GL_UNSIGNED_BYTE, data);
/*y-invert image*/
rowsize = 4*window->width;
for (i=0; i<window->height; ++i)
{
crMemcpy(imgdata+rowsize*i, data+rowsize*(window->height-i-1), rowsize);
}
crFree(data);
XSync(dpy, false);
image = XCreateImage(dpy, attr.visual, pret->depth, ZPixmap, 0, imgdata, window->width, window->height, 32, 0);
XPutImage(dpy, window->drawable, gc, image, 0, 0, 0, 0, window->width, window->height);
XFree(pret);
/*XFreePixmap(dpy, p);*/
XFreeGC(dpy, gc);
XDestroyImage(image);
XUNLOCK(dpy);
}
lastXError=Success;
crUnlockMutex(&stub.mutex);
}
#endif
}
#ifndef VBOX_NO_NATIVEGL
DECLEXPORT(void) VBOXGLXTAG(glXUseXFont)( Font font, int first, int count, int listBase )
{
if (stub.currentContext->type == CHROMIUM)
{
Display *dpy = stub.wsInterface.glXGetCurrentDisplay();
if (dpy) {
stubUseXFont( dpy, font, first, count, listBase );
}
else {
dpy = XOpenDisplay(NULL);
if (!dpy)
return;
stubUseXFont( dpy, font, first, count, listBase );
XCloseDisplay(dpy);
}
} else
stub.wsInterface.glXUseXFont( font, first, count, listBase );
}
#else /* not 0 */
DECLEXPORT(void) VBOXGLXTAG(glXUseXFont)( Font font, int first, int count, int listBase )
{
Display *dpy = stub.currentContext->dpy;
if (dpy) {
stubUseXFont( dpy, font, first, count, listBase );
}
else {
dpy = XOpenDisplay(NULL);
if (!dpy)
return;
stubUseXFont( dpy, font, first, count, listBase );
XCloseDisplay(dpy);
}
}
#endif
DECLEXPORT(void) VBOXGLXTAG(glXWaitGL)( void )
{
static int first_call = 1;
if ( first_call )
{
crDebug( "Ignoring unsupported GLX call: glXWaitGL()" );
first_call = 0;
}
}
DECLEXPORT(void) VBOXGLXTAG(glXWaitX)( void )
{
static int first_call = 1;
if ( first_call )
{
crDebug( "Ignoring unsupported GLX call: glXWaitX()" );
first_call = 0;
}
}
DECLEXPORT(const char *) VBOXGLXTAG(glXQueryExtensionsString)( Display *dpy, int screen )
{
/* XXX maybe also advertise GLX_SGIS_multisample? */
static const char *retval = "GLX_ARB_multisample GLX_EXT_texture_from_pixmap GLX_SGIX_fbconfig GLX_ARB_get_proc_address";
(void) dpy;
(void) screen;
crDebug("->glXQueryExtensionsString");
return retval;
}
DECLEXPORT(const char *) VBOXGLXTAG(glXGetClientString)( Display *dpy, int name )
{
const char *retval;
(void) dpy;
(void) name;
switch ( name ) {
case GLX_VENDOR:
retval = "Chromium";
break;
case GLX_VERSION:
retval = "1.3 Chromium";
break;
case GLX_EXTENSIONS:
/*@todo should be a screen not a name...but it's not used anyway*/
retval = glXQueryExtensionsString(dpy, name);
break;
default:
retval = NULL;
}
return retval;
}
DECLEXPORT(const char *) VBOXGLXTAG(glXQueryServerString)( Display *dpy, int screen, int name )
{
const char *retval;
(void) dpy;
(void) screen;
switch ( name ) {
case GLX_VENDOR:
retval = "Chromium";
break;
case GLX_VERSION:
retval = "1.3 Chromium";
break;
case GLX_EXTENSIONS:
retval = glXQueryExtensionsString(dpy, screen);
break;
default:
retval = NULL;
}
return retval;
}
DECLEXPORT(CR_GLXFuncPtr) VBOXGLXTAG(glXGetProcAddressARB)( const GLubyte *name )
{
return (CR_GLXFuncPtr) crGetProcAddress( (const char *) name );
}
DECLEXPORT(CR_GLXFuncPtr) VBOXGLXTAG(glXGetProcAddress)( const GLubyte *name )
{
return (CR_GLXFuncPtr) crGetProcAddress( (const char *) name );
}
#if GLX_EXTRAS
DECLEXPORT(GLXPbufferSGIX)
VBOXGLXTAG(glXCreateGLXPbufferSGIX)(Display *dpy, GLXFBConfigSGIX config,
unsigned int width, unsigned int height,
int *attrib_list)
{
(void) dpy;
(void) config;
(void) width;
(void) height;
(void) attrib_list;
crWarning("glXCreateGLXPbufferSGIX not implemented by Chromium");
return 0;
}
DECLEXPORT(void) VBOXGLXTAG(glXDestroyGLXPbufferSGIX)(Display *dpy, GLXPbuffer pbuf)
{
(void) dpy;
(void) pbuf;
crWarning("glXDestroyGLXPbufferSGIX not implemented by Chromium");
}
DECLEXPORT(void) VBOXGLXTAG(glXSelectEventSGIX)(Display *dpy, GLXDrawable drawable, unsigned long mask)
{
(void) dpy;
(void) drawable;
(void) mask;
}
DECLEXPORT(void) VBOXGLXTAG(glXGetSelectedEventSGIX)(Display *dpy, GLXDrawable drawable, unsigned long *mask)
{
(void) dpy;
(void) drawable;
(void) mask;
}
DECLEXPORT(int) VBOXGLXTAG(glXQueryGLXPbufferSGIX)(Display *dpy, GLXPbuffer pbuf,
int attribute, unsigned int *value)
{
(void) dpy;
(void) pbuf;
(void) attribute;
(void) value;
crWarning("glXQueryGLXPbufferSGIX not implemented by Chromium");
return 0;
}
DECLEXPORT(int) VBOXGLXTAG(glXGetFBConfigAttribSGIX)(Display *dpy, GLXFBConfig config,
int attribute, int *value)
{
return VBOXGLXTAG(glXGetFBConfigAttrib)(dpy, config, attribute, value);
}
DECLEXPORT(GLXFBConfigSGIX *)
VBOXGLXTAG(glXChooseFBConfigSGIX)(Display *dpy, int screen,
int *attrib_list, int *nelements)
{
return VBOXGLXTAG(glXChooseFBConfig)(dpy, screen, attrib_list, nelements);
}
DECLEXPORT(GLXPixmap)
VBOXGLXTAG(glXCreateGLXPixmapWithConfigSGIX)(Display *dpy,
GLXFBConfig config,
Pixmap pixmap)
{
return VBOXGLXTAG(glXCreatePixmap)(dpy, config, pixmap, NULL);
}
DECLEXPORT(GLXContext)
VBOXGLXTAG(glXCreateContextWithConfigSGIX)(Display *dpy, GLXFBConfig config,
int render_type,
GLXContext share_list,
Bool direct)
{
if (render_type!=GLX_RGBA_TYPE_SGIX)
{
crWarning("glXCreateContextWithConfigSGIX: Unsupported render type %i", render_type);
return NULL;
}
else
{
XVisualInfo *vis;
GLXContext ret;
vis = VBOXGLXTAG(glXGetVisualFromFBConfigSGIX)(dpy, config);
if (!vis)
{
crWarning("glXCreateContextWithConfigSGIX: no visuals for %p", config);
return NULL;
}
ret = VBOXGLXTAG(glXCreateContext)(dpy, vis, share_list, direct);
XFree(vis);
return ret;
}
}
DECLEXPORT(XVisualInfo *)
VBOXGLXTAG(glXGetVisualFromFBConfigSGIX)(Display *dpy,
GLXFBConfig config)
{
return VBOXGLXTAG(glXGetVisualFromFBConfig)(dpy, config);
}
DECLEXPORT(GLXFBConfigSGIX)
VBOXGLXTAG(glXGetFBConfigFromVisualSGIX)(Display *dpy, XVisualInfo *vis)
{
if (!vis)
{
return NULL;
}
/*Note: Caller is supposed to call XFree on returned value, so can't just return (GLXFBConfig)vis->visualid*/
return (GLXFBConfigSGIX) VBOXGLXTAG(glXGetVisualFromFBConfig)(dpy, (GLXFBConfig)vis->visualid);
}
/*
* GLX 1.3 functions
*/
DECLEXPORT(GLXFBConfig *)
VBOXGLXTAG(glXChooseFBConfig)(Display *dpy, int screen, ATTRIB_TYPE *attrib_list, int *nelements)
{
ATTRIB_TYPE *attrib;
intptr_t fbconfig = 0;
stubInit();
if (!attrib_list)
{
return VBOXGLXTAG(glXGetFBConfigs)(dpy, screen, nelements);
}
for (attrib = attrib_list; *attrib != None; attrib++)
{
switch (*attrib)
{
case GLX_FBCONFIG_ID:
fbconfig = attrib[1];
attrib++;
break;
case GLX_BUFFER_SIZE:
/* this is for color-index visuals, which we don't support */
goto err_exit;
attrib++;
break;
case GLX_LEVEL:
if (attrib[1] != 0)
goto err_exit;
attrib++;
break;
case GLX_AUX_BUFFERS:
if (attrib[1] != 0)
goto err_exit;
attrib++;
break;
case GLX_DOUBLEBUFFER: /* @todo, check if we support it */
attrib++;
break;
case GLX_STEREO:
if (attrib[1] != 0)
goto err_exit;
attrib++;
break;
case GLX_RED_SIZE:
case GLX_GREEN_SIZE:
case GLX_BLUE_SIZE:
case GLX_ALPHA_SIZE:
if (attrib[1] > 8)
goto err_exit;
attrib++;
break;
case GLX_DEPTH_SIZE:
if (attrib[1] > 16)
goto err_exit;
attrib++;
break;
case GLX_STENCIL_SIZE:
if (attrib[1] > 8)
goto err_exit;
attrib++;
break;
case GLX_ACCUM_RED_SIZE:
case GLX_ACCUM_GREEN_SIZE:
case GLX_ACCUM_BLUE_SIZE:
case GLX_ACCUM_ALPHA_SIZE:
if (attrib[1] > 16)
goto err_exit;
attrib++;
break;
case GLX_X_RENDERABLE:
case GLX_CONFIG_CAVEAT:
attrib++;
break;
case GLX_RENDER_TYPE:
if (attrib[1]!=GLX_RGBA_BIT)
goto err_exit;
attrib++;
break;
case GLX_DRAWABLE_TYPE:
if (attrib[1]!=GLX_WINDOW_BIT)
goto err_exit;
attrib++;
break;
case GLX_X_VISUAL_TYPE:
case GLX_TRANSPARENT_TYPE_EXT:
case GLX_TRANSPARENT_INDEX_VALUE_EXT:
case GLX_TRANSPARENT_RED_VALUE_EXT:
case GLX_TRANSPARENT_GREEN_VALUE_EXT:
case GLX_TRANSPARENT_BLUE_VALUE_EXT:
case GLX_TRANSPARENT_ALPHA_VALUE_EXT:
/* ignore */
crWarning("glXChooseVisual: ignoring attribute 0x%x", *attrib);
attrib++;
break;
break;
default:
crWarning( "glXChooseVisual: bad attrib=0x%x, ignoring", *attrib );
attrib++;
break;
}
}
if (fbconfig)
{
GLXFBConfig *pGLXFBConfigs;
*nelements = 1;
pGLXFBConfigs = (GLXFBConfig *) crAlloc(*nelements * sizeof(GLXFBConfig));
pGLXFBConfigs[0] = (GLXFBConfig)fbconfig;
return pGLXFBConfigs;
}
else
{
return VBOXGLXTAG(glXGetFBConfigs)(dpy, screen, nelements);
}
err_exit:
crWarning("glXChooseFBConfig returning NULL, due to attrib=0x%x, next=0x%x", attrib[0], attrib[1]);
return NULL;
}
DECLEXPORT(GLXContext)
VBOXGLXTAG(glXCreateNewContext)(Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct)
{
XVisualInfo *vis;
(void) dpy;
(void) config;
(void) render_type;
(void) share_list;
(void) direct;
if (render_type != GLX_RGBA_TYPE)
{
crWarning("glXCreateNewContext, unsupported render_type %x", render_type);
return NULL;
}
vis = VBOXGLXTAG(glXGetVisualFromFBConfig)(dpy, config);
return VBOXGLXTAG(glXCreateContext)(dpy, vis, share_list, direct);
}
DECLEXPORT(GLXPbuffer)
VBOXGLXTAG(glXCreatePbuffer)(Display *dpy, GLXFBConfig config, ATTRIB_TYPE *attrib_list)
{
(void) dpy;
(void) config;
(void) attrib_list;
crWarning("glXCreatePbuffer not implemented by Chromium");
return 0;
}
/* Note: there're examples where glxpixmaps are created without current context, so can't do much of the work here.
* Instead we'd do necessary initialization on first use of those pixmaps.
*/
DECLEXPORT(GLXPixmap)
VBOXGLXTAG(glXCreatePixmap)(Display *dpy, GLXFBConfig config, Pixmap pixmap, const ATTRIB_TYPE *attrib_list)
{
ATTRIB_TYPE *attrib;
XVisualInfo *pVis;
GLX_Pixmap_t *pGlxPixmap;
(void) dpy;
(void) config;
#if 0
{
int x, y;
unsigned int w, h;
unsigned int border;
unsigned int depth;
Window root;
crDebug("glXCreatePixmap called for %lu", pixmap);
XLOCK(dpy);
if (!XGetGeometry(dpy, pixmap, &root, &x, &y, &w, &h, &border, &depth))
{
XSync(dpy, False);
if (!XGetGeometry(dpy, pixmap, &root, &x, &y, &w, &h, &border, &depth))
{
crDebug("fail");
}
}
crDebug("root: %lu, [%i,%i %u,%u]", root, x, y, w, h);
XUNLOCK(dpy);
}
#endif
pGlxPixmap = crCalloc(sizeof(GLX_Pixmap_t));
if (!pGlxPixmap)
{
crWarning("glXCreatePixmap failed to allocate memory");
return 0;
}
pVis = VBOXGLXTAG(glXGetVisualFromFBConfig)(dpy, config);
if (!pVis)
{
crWarning("Unknown config %p in glXCreatePixmap", config);
return 0;
}
pGlxPixmap->format = pVis->depth==24 ? GL_RGB:GL_RGBA;
pGlxPixmap->target = GL_TEXTURE_2D;
if (attrib_list)
{
for (attrib = attrib_list; *attrib != None; attrib++)
{
switch (*attrib)
{
case GLX_TEXTURE_FORMAT_EXT:
attrib++;
switch (*attrib)
{
case GLX_TEXTURE_FORMAT_RGBA_EXT:
pGlxPixmap->format = GL_RGBA;
break;
case GLX_TEXTURE_FORMAT_RGB_EXT:
pGlxPixmap->format = GL_RGB;
break;
default:
crDebug("Unexpected GLX_TEXTURE_FORMAT_EXT 0x%x", (unsigned int) *attrib);
}
break;
case GLX_TEXTURE_TARGET_EXT:
attrib++;
switch (*attrib)
{
case GLX_TEXTURE_2D_EXT:
pGlxPixmap->target = GL_TEXTURE_2D;
break;
case GLX_TEXTURE_RECTANGLE_EXT:
pGlxPixmap->target = GL_TEXTURE_RECTANGLE_NV;
break;
default:
crDebug("Unexpected GLX_TEXTURE_TARGET_EXT 0x%x", (unsigned int) *attrib);
}
break;
default: attrib++;
}
}
}
crHashtableAdd(stub.pGLXPixmapsHash, (unsigned int) pixmap, pGlxPixmap);
return (GLXPixmap) pixmap;
}
DECLEXPORT(GLXWindow)
VBOXGLXTAG(glXCreateWindow)(Display *dpy, GLXFBConfig config, Window win, ATTRIB_TYPE *attrib_list)
{
GLXFBConfig *realcfg;
int nconfigs;
(void) config;
if (stub.wsInterface.glXGetFBConfigs)
{
realcfg = stub.wsInterface.glXGetFBConfigs(dpy, 0, &nconfigs);
if (!realcfg || nconfigs<1)
{
crWarning("glXCreateWindow !realcfg || nconfigs<1");
return 0;
}
else
{
return stub.wsInterface.glXCreateWindow(dpy, realcfg[0], win, attrib_list);
}
}
else
{
if (attrib_list && *attrib_list!=None)
{
crWarning("Non empty attrib list in glXCreateWindow");
return 0;
}
return (GLXWindow)win;
}
}
DECLEXPORT(void) VBOXGLXTAG(glXDestroyPbuffer)(Display *dpy, GLXPbuffer pbuf)
{
(void) dpy;
(void) pbuf;
crWarning("glXDestroyPbuffer not implemented by Chromium");
}
DECLEXPORT(void) VBOXGLXTAG(glXDestroyPixmap)(Display *dpy, GLXPixmap pixmap)
{
stubFindPixmapParms_t parms;
if (crHashtableSearch(stub.pGLXPixmapsHash, (unsigned int) pixmap))
{
/*it's valid but never used glxpixmap, so simple free stored ptr*/
crHashtableDelete(stub.pGLXPixmapsHash, (unsigned int) pixmap, crFree);
return;
}
else
{
/*it's either invalid glxpixmap or one which was already initialized, so it's stored in appropriate ctx hash*/
parms.pCtx = NULL;
parms.pGlxPixmap = NULL;
parms.draw = pixmap;
crHashtableWalk(stub.contextTable, stubFindPixmapCB, &parms);
}
if (!parms.pGlxPixmap)
{
crWarning("glXDestroyPixmap called for unknown glxpixmap 0x%x", (unsigned int) pixmap);
return;
}
XLOCK(dpy);
if (parms.pGlxPixmap->gc)
{
XFreeGC(dpy, parms.pGlxPixmap->gc);
}
if (parms.pGlxPixmap->hShmPixmap>0)
{
XFreePixmap(dpy, parms.pGlxPixmap->hShmPixmap);
}
XUNLOCK(dpy);
if (parms.pGlxPixmap->hDamage>0)
{
//crDebug("Destroy: Damage for drawable 0x%x, handle 0x%x", (unsigned int) pixmap, (unsigned int) parms.pGlxPixmap->damage);
XDamageDestroy(parms.pCtx->damageDpy, parms.pGlxPixmap->hDamage);
}
if (parms.pGlxPixmap->pDamageRegion)
{
XDestroyRegion(parms.pGlxPixmap->pDamageRegion);
}
crHashtableDelete(parms.pCtx->pGLXPixmapsHash, (unsigned int) pixmap, crFree);
}
DECLEXPORT(void) VBOXGLXTAG(glXDestroyWindow)(Display *dpy, GLXWindow win)
{
(void) dpy;
(void) win;
/*crWarning("glXDestroyWindow not implemented by Chromium");*/
}
DECLEXPORT(GLXDrawable) VBOXGLXTAG(glXGetCurrentReadDrawable)(void)
{
return currentReadDrawable;
}
DECLEXPORT(int) VBOXGLXTAG(glXGetFBConfigAttrib)(Display *dpy, GLXFBConfig config, int attribute, int *value)
{
XVisualInfo * pVisual;
const char * pExt;
pVisual = VBOXGLXTAG(glXGetVisualFromFBConfig)(dpy, config);
if (!pVisual)
{
crWarning("glXGetFBConfigAttrib for %p, failed to get XVisualInfo", config);
return GLX_BAD_ATTRIBUTE;
}
//crDebug("glXGetFBConfigAttrib 0x%x for 0x%x, visualid=0x%x, depth=%i", attribute, (int)config, (int)pVisual->visualid, pVisual->depth);
switch (attribute)
{
case GLX_DRAWABLE_TYPE:
*value = GLX_PIXMAP_BIT;
break;
case GLX_BIND_TO_TEXTURE_TARGETS_EXT:
*value = GLX_TEXTURE_2D_BIT_EXT;
pExt = (const char *) stub.spu->dispatch_table.GetString(GL_EXTENSIONS);
if (crStrstr(pExt, "GL_NV_texture_rectangle")
|| crStrstr(pExt, "GL_ARB_texture_rectangle")
|| crStrstr(pExt, "GL_EXT_texture_rectangle"))
{
*value |= GLX_TEXTURE_RECTANGLE_BIT_EXT;
}
break;
case GLX_BIND_TO_TEXTURE_RGBA_EXT:
*value = pVisual->depth==32;
break;
case GLX_BIND_TO_TEXTURE_RGB_EXT:
*value = True;
break;
case GLX_DOUBLEBUFFER:
//crDebug("attribute=GLX_DOUBLEBUFFER");
*value = True;
break;
case GLX_Y_INVERTED_EXT:
*value = True;
break;
case GLX_ALPHA_SIZE:
//crDebug("attribute=GLX_ALPHA_SIZE");
*value = pVisual->depth==32 ? 8:0;
break;
case GLX_BUFFER_SIZE:
//crDebug("attribute=GLX_BUFFER_SIZE");
*value = pVisual->depth;
break;
case GLX_STENCIL_SIZE:
//crDebug("attribute=GLX_STENCIL_SIZE");
*value = 8;
break;
case GLX_DEPTH_SIZE:
*value = 16;
//crDebug("attribute=GLX_DEPTH_SIZE");
break;
case GLX_BIND_TO_MIPMAP_TEXTURE_EXT:
*value = 0;
break;
case GLX_RENDER_TYPE:
//crDebug("attribute=GLX_RENDER_TYPE");
*value = GLX_RGBA_BIT;
break;
case GLX_CONFIG_CAVEAT:
//crDebug("attribute=GLX_CONFIG_CAVEAT");
*value = GLX_NONE;
break;
case GLX_VISUAL_ID:
//crDebug("attribute=GLX_VISUAL_ID");
*value = pVisual->visualid;
break;
case GLX_FBCONFIG_ID:
*value = pVisual->visualid; /*or config, though those are the same at the moment but this could change one day?*/
break;
case GLX_RED_SIZE:
case GLX_GREEN_SIZE:
case GLX_BLUE_SIZE:
*value = 8;
break;
case GLX_LEVEL:
*value = 0;
break;
case GLX_STEREO:
*value = false;
break;
case GLX_AUX_BUFFERS:
*value = 0;
break;
case GLX_ACCUM_RED_SIZE:
case GLX_ACCUM_GREEN_SIZE:
case GLX_ACCUM_BLUE_SIZE:
case GLX_ACCUM_ALPHA_SIZE:
*value = 0;
break;
case GLX_X_VISUAL_TYPE:
*value = GLX_TRUE_COLOR;
break;
case GLX_TRANSPARENT_TYPE:
*value = GLX_NONE;
break;
case GLX_SAMPLE_BUFFERS:
case GLX_SAMPLES:
*value = 1;
break;
case GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT:
*value = 0;
break;
default:
crDebug("glXGetFBConfigAttrib: unknown attribute=0x%x", attribute);
XFree(pVisual);
return GLX_BAD_ATTRIBUTE;
}
XFree(pVisual);
return Success;
}
#if !defined(VBOX_NO_NATIVEGL) || 1 /* need fbconfigs atleast for depths 24 and 32 */
DECLEXPORT(GLXFBConfig *) VBOXGLXTAG(glXGetFBConfigs)(Display *dpy, int screen, int *nelements)
{
GLXFBConfig *pGLXFBConfigs = NULL;
struct VisualInfo *v;
int i=0, cVisuals;
XVisualInfo searchvis, *pVisuals;
*nelements = 0;
/*
for (v = VisualInfoList; v; v = v->next) {
if (v->dpy == dpy && v->screen == screen)
++*nelements;
}
if (*nelements)
pGLXFBConfigs = crAlloc(*nelements * sizeof(GLXFBConfig));
for (v = VisualInfoList; v && i<*nelements; v = v->next) {
if (v->dpy == dpy && v->screen == screen)
pGLXFBConfigs[i++] = (GLXFBConfig) v->visualid;
}
*/
/*@todo doesn't really list all the common visuals, have to use some static list*/
searchvis.screen = screen;
XLOCK(dpy);
pVisuals = XGetVisualInfo(dpy, VisualScreenMask, &searchvis, nelements);
XUNLOCK(dpy);
if (*nelements)
pGLXFBConfigs = crAlloc(*nelements * sizeof(GLXFBConfig));
for (i=0; i<*nelements; ++i)
{
pGLXFBConfigs[i] = (GLXFBConfig) pVisuals[i].visualid;
}
XFree(pVisuals);
crDebug("glXGetFBConfigs returned %i configs", *nelements);
for (i=0; i<*nelements; ++i)
{
crDebug("glXGetFBConfigs[%i]=%p", i, pGLXFBConfigs[i]);
}
return pGLXFBConfigs;
}
#else /* not 0 */
DECLEXPORT(GLXFBConfig *) VBOXGLXTAG(glXGetFBConfigs)(Display *dpy, int screen, int *nelements)
{
int i;
GLXFBConfig *pGLXFBConfigs = crAlloc(sizeof(GLXFBConfig));
*nelements = 1;
XLOCK(dpy);
*pGLXFBConfigs = (GLXFBConfig) XVisualIDFromVisual(DefaultVisual(dpy, screen));
XUNLOCK(dpy);
crDebug("glXGetFBConfigs returned %i configs", *nelements);
for (i=0; i<*nelements; ++i)
{
crDebug("glXGetFBConfigs[%i]=0x%x", i, (unsigned int) pGLXFBConfigs[i]);
}
return pGLXFBConfigs;
}
#endif
DECLEXPORT(void) VBOXGLXTAG(glXGetSelectedEvent)(Display *dpy, GLXDrawable draw, unsigned long *event_mask)
{
(void) dpy;
(void) draw;
(void) event_mask;
crWarning("glXGetSelectedEvent not implemented by Chromium");
}
DECLEXPORT(XVisualInfo *) VBOXGLXTAG(glXGetVisualFromFBConfig)(Display *dpy, GLXFBConfig config)
{
(void) dpy;
(void) config;
struct VisualInfo *v;
/*
for (v = VisualInfoList; v; v = v->next) {
if (v->dpy == dpy && v->visualid == (VisualID)config)
{
XVisualInfo temp, *pret;
int nret;
temp.visualid = v->visualid;
pret = XGetVisualInfo(dpy, VisualIDMask, &temp, &nret);
if (nret!=1) crWarning("XGetVisualInfo returned %i visuals", nret);
crDebug("glXGetVisualFromFBConfig(cfg/visid==0x%x): depth=%i", (int) config, pret->depth);
return pret;
}
}
*/
{
XVisualInfo temp, *pret;
int nret;
temp.visualid = (VisualID)config;
XLOCK(dpy);
pret = XGetVisualInfo(dpy, VisualIDMask, &temp, &nret);
XUNLOCK(dpy);
if (nret!=1)
{
crWarning("XGetVisualInfo returned %i visuals for %p", nret, config);
/* Hack for glut based apps.
We fail to patch first call to glXChooseFBConfigSGIX, which ends up in the mesa's fbconfigs being passed to this function later.
*/
if (!nret && config)
{
temp.visualid = (VisualID) ((__GLcontextModes*)config)->visualID;
XLOCK(dpy);
pret = XGetVisualInfo(dpy, VisualIDMask, &temp, &nret);
XUNLOCK(dpy);
crWarning("Retry with %#x returned %i visuals", ((__GLcontextModes*)config)->visualID, nret);
}
}
//crDebug("glXGetVisualFromFBConfig(cfg/visid==0x%x): depth=%i", (int) config, pret->depth);
//crDebug("here");
return pret;
}
crDebug("glXGetVisualFromFBConfig unknown fbconfig %p", config);
return NULL;
}
DECLEXPORT(Bool) VBOXGLXTAG(glXMakeContextCurrent)(Display *display, GLXDrawable draw, GLXDrawable read, GLXContext ctx)
{
currentReadDrawable = read;
return VBOXGLXTAG(glXMakeCurrent)(display, draw, ctx);
}
DECLEXPORT(int) VBOXGLXTAG(glXQueryContext)(Display *dpy, GLXContext ctx, int attribute, int *value)
{
(void) dpy;
(void) ctx;
(void) attribute;
(void) value;
crWarning("glXQueryContext not implemented by Chromium");
return 0;
}
DECLEXPORT(void) VBOXGLXTAG(glXQueryDrawable)(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value)
{
(void) dpy;
(void) draw;
(void) attribute;
(void) value;
crWarning("glXQueryDrawable not implemented by Chromium");
}
DECLEXPORT(void) VBOXGLXTAG(glXSelectEvent)(Display *dpy, GLXDrawable draw, unsigned long event_mask)
{
(void) dpy;
(void) draw;
(void) event_mask;
crWarning("glXSelectEvent not implemented by Chromium");
}
#ifdef CR_EXT_texture_from_pixmap
/*typedef struct
{
int x, y;
unsigned int w, h, border, depth;
Window root;
void *data;
} pminfo;*/
static void stubInitXSharedMemory(Display *dpy)
{
int vma, vmi;
Bool pixmaps;
if (stub.bShmInitFailed || stub.xshmSI.shmid>=0)
return;
stub.bShmInitFailed = GL_TRUE;
/* Check for extension and pixmaps format */
XLOCK(dpy);
if (!XShmQueryExtension(dpy))
{
crWarning("No XSHM extension");
XUNLOCK(dpy);
return;
}
if (!XShmQueryVersion(dpy, &vma, &vmi, &pixmaps) || !pixmaps)
{
crWarning("XSHM extension doesn't support pixmaps");
XUNLOCK(dpy);
return;
}
if (XShmPixmapFormat(dpy)!=ZPixmap)
{
crWarning("XSHM extension doesn't support ZPixmap format");
XUNLOCK(dpy);
return;
}
XUNLOCK(dpy);
/* Alloc shared memory, so far using hardcoded value...could fail for bigger displays one day */
stub.xshmSI.readOnly = false;
stub.xshmSI.shmid = shmget(IPC_PRIVATE, 4*4096*2048, IPC_CREAT | 0600);
if (stub.xshmSI.shmid<0)
{
crWarning("XSHM Failed to create shared segment");
return;
}
stub.xshmSI.shmaddr = (char*) shmat(stub.xshmSI.shmid, NULL, 0);
if (stub.xshmSI.shmaddr==(void*)-1)
{
crWarning("XSHM Failed to attach shared segment");
shmctl(stub.xshmSI.shmid, IPC_RMID, 0);
return;
}
XLOCK(dpy);
if (!XShmAttach(dpy, &stub.xshmSI))
{
crWarning("XSHM Failed to attach shared segment to XServer");
shmctl(stub.xshmSI.shmid, IPC_RMID, 0);
shmdt(stub.xshmSI.shmaddr);
XUNLOCK(dpy);
return;
}
XUNLOCK(dpy);
stub.bShmInitFailed = GL_FALSE;
crInfo("Using XSHM for GLX_EXT_texture_from_pixmap");
/*Anyway mark to be deleted when our process detaches it, in case of segfault etc*/
/* Ramshankar: Solaris compiz fix */
#ifndef RT_OS_SOLARIS
shmctl(stub.xshmSI.shmid, IPC_RMID, 0);
#endif
}
static void stubInitXDamageExtension(ContextInfo *pContext)
{
int erb, vma, vmi;
CRASSERT(pContext);
if (pContext->damageInitFailed || pContext->damageDpy)
return;
pContext->damageInitFailed = True;
/* Open second xserver connection to make sure we'd receive all the xdamage messages
* and those wouldn't be eaten by application even queue */
pContext->damageDpy = XOpenDisplay(DisplayString(pContext->dpy));
if (!pContext->damageDpy)
{
crWarning("XDamage: Can't connect to display %s", DisplayString(pContext->dpy));
return;
}
if (!XDamageQueryExtension(pContext->damageDpy, &pContext->damageEventsBase, &erb)
|| !XDamageQueryVersion(pContext->damageDpy, &vma, &vmi))
{
crWarning("XDamage not found or old version (%i.%i), going to run *very* slow", vma, vmi);
XCloseDisplay(pContext->damageDpy);
pContext->damageDpy = NULL;
return;
}
crDebug("XDamage %i.%i", vma, vmi);
pContext->damageInitFailed = False;
}
static void stubCheckXDamageCB(unsigned long key, void *data1, void *data2)
{
GLX_Pixmap_t *pGlxPixmap = (GLX_Pixmap_t *) data1;
XDamageNotifyEvent *e = (XDamageNotifyEvent *) data2;
if (pGlxPixmap->hDamage==e->damage)
{
/*crDebug("Event: Damage for pixmap 0x%lx(drawable 0x%x), handle 0x%x (level=%i) [%i,%i,%i,%i]",
key, (unsigned int) e->drawable, (unsigned int) e->damage, (int) e->level,
e->area.x, e->area.y, e->area.width, e->area.height);*/
if (pGlxPixmap->pDamageRegion)
{
/* If it's dirty and regions are empty, it marked for full update, so do nothing.*/
if (!pGlxPixmap->bPixmapImageDirty || !XEmptyRegion(pGlxPixmap->pDamageRegion))
{
if (CR_MAX_DAMAGE_REGIONS_TRACKED <= pGlxPixmap->pDamageRegion->numRects)
{
/* Mark for full update */
EMPTY_REGION(pGlxPixmap->pDamageRegion);
}
else
{
/* Add to damage regions */
XUnionRectWithRegion(&e->area, pGlxPixmap->pDamageRegion, pGlxPixmap->pDamageRegion);
}
}
}
pGlxPixmap->bPixmapImageDirty = True;
}
}
static const CRPixelPackState defaultPacking =
{
0, /*rowLength*/
0, /*skipRows*/
0, /*skipPixels*/
1, /*alignment*/
0, /*imageHeight*/
0, /*skipImages*/
GL_FALSE, /*swapBytes*/
GL_FALSE /*lsbFirst*/
};
static void stubGetUnpackState(CRPixelPackState *pUnpackState)
{
stub.spu->dispatch_table.GetIntegerv(GL_UNPACK_ROW_LENGTH, &pUnpackState->rowLength);
stub.spu->dispatch_table.GetIntegerv(GL_UNPACK_SKIP_ROWS, &pUnpackState->skipRows);
stub.spu->dispatch_table.GetIntegerv(GL_UNPACK_SKIP_PIXELS, &pUnpackState->skipPixels);
stub.spu->dispatch_table.GetIntegerv(GL_UNPACK_ALIGNMENT, &pUnpackState->alignment);
stub.spu->dispatch_table.GetBooleanv(GL_UNPACK_SWAP_BYTES, &pUnpackState->swapBytes);
stub.spu->dispatch_table.GetBooleanv(GL_UNPACK_LSB_FIRST, &pUnpackState->psLSBFirst);
}
static void stubSetUnpackState(const CRPixelPackState *pUnpackState)
{
stub.spu->dispatch_table.PixelStorei(GL_UNPACK_ROW_LENGTH, pUnpackState->rowLength);
stub.spu->dispatch_table.PixelStorei(GL_UNPACK_SKIP_ROWS, pUnpackState->skipRows);
stub.spu->dispatch_table.PixelStorei(GL_UNPACK_SKIP_PIXELS, pUnpackState->skipPixels);
stub.spu->dispatch_table.PixelStorei(GL_UNPACK_ALIGNMENT, pUnpackState->alignment);
stub.spu->dispatch_table.PixelStorei(GL_UNPACK_SWAP_BYTES, pUnpackState->swapBytes);
stub.spu->dispatch_table.PixelStorei(GL_UNPACK_LSB_FIRST, pUnpackState->psLSBFirst);
}
static GLX_Pixmap_t* stubInitGlxPixmap(GLX_Pixmap_t* pCreateInfoPixmap, Display *dpy, GLXDrawable draw, ContextInfo *pContext)
{
int x, y;
unsigned int w, h;
unsigned int border;
unsigned int depth;
Window root;
GLX_Pixmap_t *pGlxPixmap;
CRASSERT(pContext && pCreateInfoPixmap);
XLOCK(dpy);
if (!XGetGeometry(dpy, (Pixmap)draw, &root, &x, &y, &w, &h, &border, &depth))
{
XSync(dpy, False);
if (!XGetGeometry(dpy, (Pixmap)draw, &root, &x, &y, &w, &h, &border, &depth))
{
crWarning("stubInitGlxPixmap failed in call to XGetGeometry for 0x%x", (int) draw);
XUNLOCK(dpy);
return NULL;
}
}
pGlxPixmap = crAlloc(sizeof(GLX_Pixmap_t));
if (!pGlxPixmap)
{
crWarning("stubInitGlxPixmap failed to allocate memory");
XUNLOCK(dpy);
return NULL;
}
pGlxPixmap->x = x;
pGlxPixmap->y = y;
pGlxPixmap->w = w;
pGlxPixmap->h = h;
pGlxPixmap->border = border;
pGlxPixmap->depth = depth;
pGlxPixmap->root = root;
pGlxPixmap->format = pCreateInfoPixmap->format;
pGlxPixmap->target = pCreateInfoPixmap->target;
/* Try to allocate shared memory
* As we're allocating huge chunk of memory, do it in this function, only if this extension is really used
*/
if (!stub.bShmInitFailed && stub.xshmSI.shmid<0)
{
stubInitXSharedMemory(dpy);
}
if (stub.xshmSI.shmid>=0)
{
XGCValues xgcv;
xgcv.graphics_exposures = False;
xgcv.subwindow_mode = IncludeInferiors;
pGlxPixmap->gc = XCreateGC(dpy, (Pixmap)draw, GCGraphicsExposures|GCSubwindowMode, &xgcv);
pGlxPixmap->hShmPixmap = XShmCreatePixmap(dpy, pGlxPixmap->root, stub.xshmSI.shmaddr, &stub.xshmSI,
pGlxPixmap->w, pGlxPixmap->h, pGlxPixmap->depth);
}
else
{
pGlxPixmap->gc = NULL;
pGlxPixmap->hShmPixmap = 0;
}
XUNLOCK(dpy);
stubInitXDamageExtension(pContext);
/* If there's damage extension, then get handle for damage events related to this pixmap */
if (pContext->damageDpy)
{
pGlxPixmap->hDamage = XDamageCreate(pContext->damageDpy, (Pixmap)draw, XDamageReportRawRectangles);
/*crDebug("Create: Damage for drawable 0x%x, handle 0x%x (level=%i)",
(unsigned int) draw, (unsigned int) pGlxPixmap->damage, (int) XDamageReportRawRectangles);*/
pGlxPixmap->pDamageRegion = XCreateRegion();
if (!pGlxPixmap->pDamageRegion)
{
crWarning("stubInitGlxPixmap failed to create empty damage region for drawable 0x%x", (unsigned int) draw);
}
/*We have never seen this pixmap before, so mark it as dirty for first use*/
pGlxPixmap->bPixmapImageDirty = True;
}
else
{
pGlxPixmap->hDamage = 0;
pGlxPixmap->pDamageRegion = NULL;
}
/* glTexSubImage2D generates GL_INVALID_OP if texture array hasn't been defined by a call to glTexImage2D first.
* It's fine for small textures which would be updated in stubXshmUpdateWholeImage, but we'd never call glTexImage2D for big ones.
* Note that we're making empty texture by passing NULL as pixels pointer, so there's no overhead transferring data to host.*/
if (CR_MAX_TRANSFER_SIZE < 4*pGlxPixmap->w*pGlxPixmap->h)
{
stub.spu->dispatch_table.TexImage2D(pGlxPixmap->target, 0, pGlxPixmap->format, pGlxPixmap->w, pGlxPixmap->h, 0,
GL_BGRA, GL_UNSIGNED_BYTE, NULL);
}
crHashtableAdd(pContext->pGLXPixmapsHash, (unsigned int) draw, pGlxPixmap);
crHashtableDelete(stub.pGLXPixmapsHash, (unsigned int) draw, crFree);
return pGlxPixmap;
}
static void stubXshmUpdateWholeImage(Display *dpy, GLXDrawable draw, GLX_Pixmap_t *pGlxPixmap)
{
/* To limit the size of transferring buffer, split bigger texture into regions
* which fit into connection buffer. Could be done in hgcm or packspu but implementation in this place allows to avoid
* unnecessary memcpy.
* This also workarounds guest driver failures when sending 6+mb texture buffers on linux.
*/
if (CR_MAX_TRANSFER_SIZE < 4*pGlxPixmap->w*pGlxPixmap->h)
{
XRectangle rect;
rect.x = pGlxPixmap->x;
rect.y = pGlxPixmap->y;
rect.width = pGlxPixmap->w;
rect.height = CR_MAX_TRANSFER_SIZE/(4*pGlxPixmap->w);
/*crDebug("Texture size too big, splitting in lower sized chunks. [%i,%i,%i,%i] (%i)",
pGlxPixmap->x, pGlxPixmap->y, pGlxPixmap->w, pGlxPixmap->h, rect.height);*/
for (; (rect.y+rect.height)<=(pGlxPixmap->y+pGlxPixmap->h); rect.y+=rect.height)
{
stubXshmUpdateImageRect(dpy, draw, pGlxPixmap, &rect);
}
if (rect.y!=(pGlxPixmap->y+pGlxPixmap->h))
{
rect.height=pGlxPixmap->h-rect.y;
stubXshmUpdateImageRect(dpy, draw, pGlxPixmap, &rect);
}
}
else
{
CRPixelPackState unpackState;
XLOCK(dpy);
XCopyArea(dpy, (Pixmap)draw, pGlxPixmap->hShmPixmap, pGlxPixmap->gc,
pGlxPixmap->x, pGlxPixmap->y, pGlxPixmap->w, pGlxPixmap->h, 0, 0);
/* Have to make sure XCopyArea is processed */
XSync(dpy, False);
XUNLOCK(dpy);
stubGetUnpackState(&unpackState);
stubSetUnpackState(&defaultPacking);
stub.spu->dispatch_table.TexImage2D(pGlxPixmap->target, 0, pGlxPixmap->format, pGlxPixmap->w, pGlxPixmap->h, 0,
GL_BGRA, GL_UNSIGNED_BYTE, stub.xshmSI.shmaddr);
stubSetUnpackState(&unpackState);
/*crDebug("Sync texture for drawable 0x%x(dmg handle 0x%x) [%i,%i,%i,%i]",
(unsigned int) draw, (unsigned int)pGlxPixmap->hDamage,
pGlxPixmap->x, pGlxPixmap->y, pGlxPixmap->w, pGlxPixmap->h);*/
}
}
static void stubXshmUpdateImageRect(Display *dpy, GLXDrawable draw, GLX_Pixmap_t *pGlxPixmap, XRectangle *pRect)
{
/* See comment in stubXshmUpdateWholeImage */
if (CR_MAX_TRANSFER_SIZE < 4*pRect->width*pRect->height)
{
XRectangle rect;
rect.x = pRect->x;
rect.y = pRect->y;
rect.width = pRect->width;
rect.height = CR_MAX_TRANSFER_SIZE/(4*pRect->width);
/*crDebug("Region size too big, splitting in lower sized chunks. [%i,%i,%i,%i] (%i)",
pRect->x, pRect->y, pRect->width, pRect->height, rect.height);*/
for (; (rect.y+rect.height)<=(pRect->y+pRect->height); rect.y+=rect.height)
{
stubXshmUpdateImageRect(dpy, draw, pGlxPixmap, &rect);
}
if (rect.y!=(pRect->y+pRect->height))
{
rect.height=pRect->y+pRect->height-rect.y;
stubXshmUpdateImageRect(dpy, draw, pGlxPixmap, &rect);
}
}
else
{
CRPixelPackState unpackState;
XLOCK(dpy);
XCopyArea(dpy, (Pixmap)draw, pGlxPixmap->hShmPixmap, pGlxPixmap->gc,
pRect->x, pRect->y, pRect->width, pRect->height, 0, 0);
/* Have to make sure XCopyArea is processed */
XSync(dpy, False);
XUNLOCK(dpy);
stubGetUnpackState(&unpackState);
stubSetUnpackState(&defaultPacking);
if (pRect->width!=pGlxPixmap->w)
{
stub.spu->dispatch_table.PixelStorei(GL_UNPACK_ROW_LENGTH, pGlxPixmap->w);
}
stub.spu->dispatch_table.TexSubImage2D(pGlxPixmap->target, 0, pRect->x, pRect->y, pRect->width, pRect->height,
GL_BGRA, GL_UNSIGNED_BYTE, stub.xshmSI.shmaddr);
stubSetUnpackState(&unpackState);
/*crDebug("Region sync texture for drawable 0x%x(dmg handle 0x%x) [%i,%i,%i,%i]",
(unsigned int) draw, (unsigned int)pGlxPixmap->hDamage,
pRect->x, pRect->y, pRect->width, pRect->height);*/
}
}
#if 0
Bool checkevents(Display *display, XEvent *event, XPointer arg)
{
//crDebug("got type: 0x%x", event->type);
if (event->type==damage_evb+XDamageNotify)
{
XDamageNotifyEvent *e = (XDamageNotifyEvent *) event;
/* we're interested in pixmaps only...and those have e->drawable set to 0 or other strange value for some odd reason
* so have to walk glxpixmaps hashtable to find if we have damage event handle assigned to some pixmap
*/
/*crDebug("Event: Damage for drawable 0x%x, handle 0x%x (level=%i) [%i,%i,%i,%i]",
(unsigned int) e->drawable, (unsigned int) e->damage, (int) e->level,
e->area.x, e->area.y, e->area.width, e->area.height);*/
CRASSERT(stub.currentContext);
crHashtableWalk(stub.currentContext->pGLXPixmapsHash, checkdamageCB, e);
}
return False;
}
#endif
/*@todo check what error codes could we throw for failures here*/
DECLEXPORT(void) VBOXGLXTAG(glXBindTexImageEXT)(Display *dpy, GLXDrawable draw, int buffer, const int *attrib_list)
{
static int cnt=0;
XImage dummyimg;
GLX_Pixmap_t *pGlxPixmap;
if (!stub.currentContext)
{
crWarning("glXBindTexImageEXT called without current context");
return;
}
pGlxPixmap = (GLX_Pixmap_t *) crHashtableSearch(stub.currentContext->pGLXPixmapsHash, (unsigned int) draw);
if (!pGlxPixmap)
{
pGlxPixmap = (GLX_Pixmap_t *) crHashtableSearch(stub.pGLXPixmapsHash, (unsigned int) draw);
if (!pGlxPixmap)
{
crDebug("Unknown drawable 0x%x in glXBindTexImageEXT!", (unsigned int) draw);
return;
}
pGlxPixmap = stubInitGlxPixmap(pGlxPixmap, dpy, draw, stub.currentContext);
if (!pGlxPixmap)
{
crDebug("glXBindTexImageEXT failed to get pGlxPixmap");
return;
}
}
/* If there's damage extension, then process incoming events as we need the information right now */
if (stub.currentContext->damageDpy)
{
/* Sync connections, note that order of syncs is important here.
* First make sure client commands are finished, then make sure we get all the damage events back*/
XLOCK(dpy);
XSync(dpy, False);
XUNLOCK(dpy);
XSync(stub.currentContext->damageDpy, False);
while (XPending(stub.currentContext->damageDpy))
{
XEvent event;
XNextEvent(stub.currentContext->damageDpy, &event);
if (event.type==stub.currentContext->damageEventsBase+XDamageNotify)
{
crHashtableWalk(stub.currentContext->pGLXPixmapsHash, stubCheckXDamageCB, &event);
}
}
}
/* No shared memory? Rollback to use slow x protocol then */
if (stub.xshmSI.shmid<0)
{
/*@todo add damage support here too*/
XImage *pxim;
CRPixelPackState unpackState;
XLOCK(dpy);
pxim = XGetImage(dpy, (Pixmap)draw, pGlxPixmap->x, pGlxPixmap->y, pGlxPixmap->w, pGlxPixmap->h, AllPlanes, ZPixmap);
XUNLOCK(dpy);
/*if (pxim)
{
if (!ptextable)
{
ptextable = crAllocHashtable();
}
pm = crHashtableSearch(ptextable, (unsigned int) draw);
if (!pm)
{
pm = crCalloc(sizeof(pminfo));
crHashtableAdd(ptextable, (unsigned int) draw, pm);
}
pm->w = w;
pm->h = h;
if (pm->data) crFree(pm->data);
pm->data = crAlloc(4*w*h);
crMemcpy(pm->data, (void*)(&(pxim->data[0])), 4*w*h);
}*/
if (NULL==pxim)
{
crWarning("Failed, to get pixmap data for 0x%x", (unsigned int) draw);
return;
}
stubGetUnpackState(&unpackState);
stubSetUnpackState(&defaultPacking);
stub.spu->dispatch_table.TexImage2D(pGlxPixmap->target, 0, pGlxPixmap->format, pxim->width, pxim->height, 0,
GL_BGRA, GL_UNSIGNED_BYTE, (void*)(&(pxim->data[0])));
stubSetUnpackState(&unpackState);
XDestroyImage(pxim);
}
else /* Use shm to get pixmap data */
{
/* Check if we have damage extension */
if (stub.currentContext->damageDpy)
{
if (pGlxPixmap->bPixmapImageDirty)
{
/* Either we failed to allocate damage region or this pixmap is marked for full update */
if (!pGlxPixmap->pDamageRegion || XEmptyRegion(pGlxPixmap->pDamageRegion))
{
/*crDebug("**FULL** update for 0x%x", (unsigned int)draw);*/
stubXshmUpdateWholeImage(dpy, draw, pGlxPixmap);
}
else
{
long fullArea, damageArea=0, clipdamageArea, i;
XRectangle damageClipBox;
fullArea = pGlxPixmap->w * pGlxPixmap->h;
XClipBox(pGlxPixmap->pDamageRegion, &damageClipBox);
clipdamageArea = damageClipBox.width * damageClipBox.height;
//crDebug("FullSize [%i,%i,%i,%i]", pGlxPixmap->x, pGlxPixmap->y, pGlxPixmap->w, pGlxPixmap->h);
//crDebug("Clip [%i,%i,%i,%i]", damageClipBox.x, damageClipBox.y, damageClipBox.width, damageClipBox.height);
for (i=0; i<pGlxPixmap->pDamageRegion->numRects; ++i)
{
BoxPtr pBox = &pGlxPixmap->pDamageRegion->rects[i];
damageArea += (pBox->x2-pBox->x1)*(pBox->y2-pBox->y1);
//crDebug("Damage rect [%i,%i,%i,%i]", pBox->x1, pBox->y1, pBox->x2, pBox->y2);
}
if (damageArea>clipdamageArea || clipdamageArea>fullArea)
{
crWarning("glXBindTexImageEXT, damage regions seems to be broken, forcing full update");
/*crDebug("**FULL** update for 0x%x, numRect=%li, *FS*=%li, CS=%li, DS=%li",
(unsigned int)draw, pGlxPixmap->pDamageRegion->numRects, fullArea, clipdamageArea, damageArea);*/
stubXshmUpdateWholeImage(dpy, draw, pGlxPixmap);
}
else /*We have corect damage info*/
{
if (CR_MIN_DAMAGE_PROFIT_SIZE > (fullArea-damageArea))
{
/*crDebug("**FULL** update for 0x%x, numRect=%li, *FS*=%li, CS=%li, DS=%li",
(unsigned int)draw, pGlxPixmap->pDamageRegion->numRects, fullArea, clipdamageArea, damageArea);*/
stubXshmUpdateWholeImage(dpy, draw, pGlxPixmap);
}
else if (CR_MIN_DAMAGE_PROFIT_SIZE > (clipdamageArea-damageArea))
{
/*crDebug("**PARTIAL** update for 0x%x, numRect=%li, FS=%li, *CS*=%li, DS=%li",
(unsigned int)draw, pGlxPixmap->pDamageRegion->numRects, fullArea, clipdamageArea, damageArea);*/
stubXshmUpdateImageRect(dpy, draw, pGlxPixmap, &damageClipBox);
}
else
{
/*crDebug("**PARTIAL** update for 0x%x, numRect=*%li*, FS=%li, CS=%li, *DS*=%li",
(unsigned int)draw, pGlxPixmap->pDamageRegion->numRects, fullArea, clipdamageArea, damageArea);*/
for (i=0; i<pGlxPixmap->pDamageRegion->numRects; ++i)
{
XRectangle rect;
BoxPtr pBox = &pGlxPixmap->pDamageRegion->rects[i];
rect.x = pBox->x1;
rect.y = pBox->y1;
rect.width = pBox->x2-pBox->x1;
rect.height = pBox->y2-pBox->y1;
stubXshmUpdateImageRect(dpy, draw, pGlxPixmap, &rect);
}
}
}
}
/* Clean dirty flag and damage region */
pGlxPixmap->bPixmapImageDirty = False;
if (pGlxPixmap->pDamageRegion)
EMPTY_REGION(pGlxPixmap->pDamageRegion);
}
}
else
{
stubXshmUpdateWholeImage(dpy, draw, pGlxPixmap);
}
}
}
DECLEXPORT(void) VBOXGLXTAG(glXReleaseTexImageEXT)(Display *dpy, GLXDrawable draw, int buffer)
{
(void) dpy;
(void) draw;
(void) buffer;
//crDebug("glXReleaseTexImageEXT 0x%x", (unsigned int)draw);
}
#endif
#endif /* GLX_EXTRAS */
#ifdef GLX_SGIX_video_resize
/* more dummy funcs. These help when linking with older GLUTs */
DECLEXPORT(int) VBOXGLXTAG(glXBindChannelToWindowSGIX)(Display *dpy, int scrn, int chan, Window w)
{
(void) dpy;
(void) scrn;
(void) chan;
(void) w;
crDebug("glXBindChannelToWindowSGIX");
return 0;
}
DECLEXPORT(int) VBOXGLXTAG(glXChannelRectSGIX)(Display *dpy, int scrn, int chan, int x , int y, int w, int h)
{
(void) dpy;
(void) scrn;
(void) chan;
(void) x;
(void) y;
(void) w;
(void) h;
crDebug("glXChannelRectSGIX");
return 0;
}
DECLEXPORT(int) VBOXGLXTAG(glXQueryChannelRectSGIX)(Display *dpy, int scrn, int chan, int *x, int *y, int *w, int *h)
{
(void) dpy;
(void) scrn;
(void) chan;
(void) x;
(void) y;
(void) w;
(void) h;
crDebug("glXQueryChannelRectSGIX");
return 0;
}
DECLEXPORT(int) VBOXGLXTAG(glXQueryChannelDeltasSGIX)(Display *dpy, int scrn, int chan, int *dx, int *dy, int *dw, int *dh)
{
(void) dpy;
(void) scrn;
(void) chan;
(void) dx;
(void) dy;
(void) dw;
(void) dh;
crDebug("glXQueryChannelDeltasSGIX");
return 0;
}
DECLEXPORT(int) VBOXGLXTAG(glXChannelRectSyncSGIX)(Display *dpy, int scrn, int chan, GLenum synctype)
{
(void) dpy;
(void) scrn;
(void) chan;
(void) synctype;
crDebug("glXChannelRectSyncSGIX");
return 0;
}
#endif /* GLX_SGIX_video_resize */
#ifdef VBOXOGL_FAKEDRI
DECLEXPORT(const char *) VBOXGLXTAG(glXGetDriverConfig)(const char *driverName)
{
return NULL;
}
DECLEXPORT(void) VBOXGLXTAG(glXFreeMemoryMESA)(Display *dpy, int scrn, void *pointer)
{
(void) dpy;
(void) scrn;
(void) pointer;
}
DECLEXPORT(GLXContext) VBOXGLXTAG(glXImportContextEXT)(Display *dpy, GLXContextID contextID)
{
(void) dpy;
(void) contextID;
return NULL;
}
DECLEXPORT(GLXContextID) VBOXGLXTAG(glXGetContextIDEXT)(const GLXContext ctx)
{
(void) ctx;
return 0;
}
DECLEXPORT(Bool) VBOXGLXTAG(glXMakeCurrentReadSGI)(Display *display, GLXDrawable draw, GLXDrawable read, GLXContext ctx)
{
return VBOXGLXTAG(glXMakeContextCurrent)(display, draw, read, ctx);
}
DECLEXPORT(const char *) VBOXGLXTAG(glXGetScreenDriver)(Display *dpy, int scrNum)
{
static char *screendriver = "vboxvideo";
return screendriver;
}
DECLEXPORT(Display *) VBOXGLXTAG(glXGetCurrentDisplayEXT)(void)
{
return VBOXGLXTAG(glXGetCurrentDisplay());
}
DECLEXPORT(void) VBOXGLXTAG(glXFreeContextEXT)(Display *dpy, GLXContext ctx)
{
VBOXGLXTAG(glXDestroyContext(dpy, ctx));
}
/*Mesa internal*/
DECLEXPORT(int) VBOXGLXTAG(glXQueryContextInfoEXT)(Display *dpy, GLXContext ctx)
{
(void) dpy;
(void) ctx;
return 0;
}
DECLEXPORT(void *) VBOXGLXTAG(glXAllocateMemoryMESA)(Display *dpy, int scrn,
size_t size, float readFreq,
float writeFreq, float priority)
{
(void) dpy;
(void) scrn;
(void) size;
(void) readFreq;
(void) writeFreq;
(void) priority;
return NULL;
}
DECLEXPORT(GLuint) VBOXGLXTAG(glXGetMemoryOffsetMESA)(Display *dpy, int scrn, const void *pointer)
{
(void) dpy;
(void) scrn;
(void) pointer;
return 0;
}
DECLEXPORT(GLXPixmap) VBOXGLXTAG(glXCreateGLXPixmapMESA)(Display *dpy, XVisualInfo *visual, Pixmap pixmap, Colormap cmap)
{
(void) dpy;
(void) visual;
(void) pixmap;
(void) cmap;
return 0;
}
#endif /*VBOXOGL_FAKEDRI*/