-/* $Id: fakeglx.c,v 1.71 2002/10/25 21:06:34 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 4.1
+ * Version: 6.5.2
*
- * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#include "config.h"
#include "macros.h"
#include "imports.h"
-#include "mmath.h"
#include "mtypes.h"
+#include "version.h"
#include "xfonts.h"
#include "xmesaP.h"
+#ifdef __VMS
+#define _mesa_sprintf sprintf
+#endif
/* This indicates the client-side GLX API and GLX encoder version. */
#define CLIENT_MAJOR_VERSION 1
#define SERVER_MINOR_VERSION 4
/* This is appended onto the glXGetClient/ServerString version strings. */
-#define MESA_GLX_VERSION "Mesa 4.1"
+#define MESA_GLX_VERSION "Mesa " MESA_VERSION_STRING
/* Who implemented this GLX? */
#define VENDOR "Brian Paul"
"GLX_ARB_get_proc_address " \
"GLX_EXT_visual_info " \
"GLX_EXT_visual_rating " \
- "GLX_SGI_video_sync " \
+ /*"GLX_SGI_video_sync "*/ \
"GLX_SGIX_fbconfig " \
- "GLX_SGIX_pbuffer"
-
-
-/* Silence compiler warnings */
-extern void Fake_glXDummyFunc( void );
-void Fake_glXDummyFunc( void )
-{
- (void) kernel8;
- (void) DitherValues;
- (void) HPCR_DRGB;
- (void) kernel1;
-}
-
+ "GLX_SGIX_pbuffer "
/*
* Our fake GLX context will contain a "real" GLX context and an XMesa context.
#define DONT_CARE -1
-#define MAX_VISUALS 100
-static XMesaVisual VisualTable[MAX_VISUALS];
+static XMesaVisual *VisualTable = NULL;
static int NumVisuals = 0;
-
/*
* Test if the given XVisualInfo is usable for Mesa rendering.
*/
-static GLboolean is_usable_visual( XVisualInfo *vinfo )
+static GLboolean
+is_usable_visual( XVisualInfo *vinfo )
{
switch (vinfo->CLASS) {
case StaticGray:
-/*
- * Return the level (overlay, normal, underlay) of a given XVisualInfo.
- * Input: dpy - the X display
- * vinfo - the XVisualInfo to test
- * Return: level of the visual:
- * 0 = normal planes
- * >0 = overlay planes
- * <0 = underlay planes
+/**
+ * Get an array OverlayInfo records for specified screen.
+ * \param dpy the display
+ * \param screen screen number
+ * \param numOverlays returns numver of OverlayInfo records
+ * \return pointer to OverlayInfo array, free with XFree()
*/
-static int level_of_visual( Display *dpy, XVisualInfo *vinfo )
+static OverlayInfo *
+GetOverlayInfo(Display *dpy, int screen, int *numOverlays)
{
Atom overlayVisualsAtom;
- OverlayInfo *overlay_info = NULL;
- int numOverlaysPerScreen;
- Status status;
Atom actualType;
- int actualFormat;
+ Status status;
+ unsigned char *ovInfo;
unsigned long sizeData, bytesLeft;
- int i;
+ int actualFormat;
/*
* The SERVER_OVERLAY_VISUALS property on the root window contains
return 0;
}
- status = XGetWindowProperty(dpy, RootWindow( dpy, vinfo->screen ),
+ status = XGetWindowProperty(dpy, RootWindow(dpy, screen),
overlayVisualsAtom, 0L, (long) 10000, False,
overlayVisualsAtom, &actualType, &actualFormat,
&sizeData, &bytesLeft,
- (unsigned char **) &overlay_info );
+ &ovInfo);
if (status != Success || actualType != overlayVisualsAtom ||
actualFormat != 32 || sizeData < 4) {
/* something went wrong */
- XFree((void *) overlay_info);
+ XFree((void *) ovInfo);
+ *numOverlays = 0;
+ return NULL;
+ }
+
+ *numOverlays = sizeData / 4;
+ return (OverlayInfo *) ovInfo;
+}
+
+
+
+/**
+ * Return the level (overlay, normal, underlay) of a given XVisualInfo.
+ * Input: dpy - the X display
+ * vinfo - the XVisualInfo to test
+ * Return: level of the visual:
+ * 0 = normal planes
+ * >0 = overlay planes
+ * <0 = underlay planes
+ */
+static int
+level_of_visual( Display *dpy, XVisualInfo *vinfo )
+{
+ OverlayInfo *overlay_info;
+ int numOverlaysPerScreen, i;
+
+ overlay_info = GetOverlayInfo(dpy, vinfo->screen, &numOverlaysPerScreen);
+ if (!overlay_info) {
return 0;
}
/* search the overlay visual list for the visual ID of interest */
- numOverlaysPerScreen = (int) (sizeData / 4);
- for (i=0;i<numOverlaysPerScreen;i++) {
- OverlayInfo *ov;
- ov = overlay_info + i;
- if (ov->overlay_visual==vinfo->visualid) {
+ for (i = 0; i < numOverlaysPerScreen; i++) {
+ const OverlayInfo *ov = overlay_info + i;
+ if (ov->overlay_visual == vinfo->visualid) {
/* found the visual */
if (/*ov->transparent_type==1 &&*/ ov->layer!=0) {
int level = ov->layer;
GLint depth_size, GLint stencil_size,
GLint accumRedSize, GLint accumGreenSize,
GLint accumBlueSize, GLint accumAlphaSize,
- GLint level )
+ GLint level, GLint numAuxBuffers )
{
GLboolean ximageFlag = GL_TRUE;
XMesaVisual xmvis;
else
comparePointers = GL_FALSE;
+ /* Force the visual to have an alpha channel */
+ if (rgbFlag && _mesa_getenv("MESA_GLX_FORCE_ALPHA"))
+ alphaFlag = GL_TRUE;
+
/* First check if a matching visual is already in the list */
for (i=0; i<NumVisuals; i++) {
XMesaVisual v = VisualTable[i];
if (v->display == dpy
- && v->level == level
+ && v->mesa_visual.level == level
+ && v->mesa_visual.numAuxBuffers == numAuxBuffers
&& v->ximage_flag == ximageFlag
&& v->mesa_visual.rgbMode == rgbFlag
&& v->mesa_visual.doubleBufferMode == dbFlag
/* Create a new visual and add it to the list. */
- if (NumVisuals >= MAX_VISUALS) {
- _mesa_problem(NULL, "GLX Error: maximum number of visuals exceeded");
- return NULL;
- }
-
xmvis = XMesaCreateVisual( dpy, vinfo, rgbFlag, alphaFlag, dbFlag,
stereoFlag, ximageFlag,
depth_size, stencil_size,
accumBlueSize, accumAlphaSize, 0, level,
GLX_NONE_EXT );
if (xmvis) {
+ /* Save a copy of the pointer now so we can find this visual again
+ * if we need to search for it in find_glx_visual().
+ */
+ xmvis->vishandle = vinfo;
+ /* Allocate more space for additional visual */
+ VisualTable = (XMesaVisual *) _mesa_realloc( VisualTable,
+ sizeof(XMesaVisual) * NumVisuals,
+ sizeof(XMesaVisual) * (NumVisuals + 1));
+ /* add xmvis to the list */
VisualTable[NumVisuals] = xmvis;
NumVisuals++;
+ /* XXX minor hack, because XMesaCreateVisual doesn't support an
+ * aux buffers parameter.
+ */
+ xmvis->mesa_visual.numAuxBuffers = numAuxBuffers;
}
return xmvis;
}
+/**
+ * Return the default number of bits for the Z buffer.
+ * If defined, use the MESA_GLX_DEPTH_BITS env var value.
+ * Otherwise, use the DEFAULT_SOFTWARE_DEPTH_BITS constant.
+ * XXX probably do the same thing for stencil, accum, etc.
+ */
+static GLint
+default_depth_bits(void)
+{
+ int zBits;
+ const char *zEnv = _mesa_getenv("MESA_GLX_DEPTH_BITS");
+ if (zEnv)
+ zBits = _mesa_atoi(zEnv);
+ else
+ zBits = DEFAULT_SOFTWARE_DEPTH_BITS;
+ return zBits;
+}
+
+static GLint
+default_alpha_bits(void)
+{
+ int aBits;
+ const char *aEnv = _mesa_getenv("MESA_GLX_ALPHA_BITS");
+ if (aEnv)
+ aBits = _mesa_atoi(aEnv);
+ else
+ aBits = 0;
+ return aBits;
+}
+
+static GLint
+default_accum_bits(void)
+{
+ return 16;
+}
+
+
/*
* Create a GLX visual from a regular XVisualInfo.
create_glx_visual( Display *dpy, XVisualInfo *visinfo )
{
int vislevel;
+ GLint zBits = default_depth_bits();
+ GLint accBits = default_accum_bits();
+ GLboolean alphaFlag = default_alpha_bits() > 0;
vislevel = level_of_visual( dpy, visinfo );
if (vislevel) {
0, /* depth bits */
0, /* stencil bits */
0,0,0,0, /* accum bits */
- vislevel /* level */
+ vislevel, /* level */
+ 0 /* numAux */
);
}
else if (is_usable_visual( visinfo )) {
GL_FALSE, /* alpha */
GL_TRUE, /* double */
GL_FALSE, /* stereo */
- DEFAULT_SOFTWARE_DEPTH_BITS,
- 8 * sizeof(GLstencil),
- 0 * sizeof(GLaccum), /* r */
- 0 * sizeof(GLaccum), /* g */
- 0 * sizeof(GLaccum), /* b */
- 0 * sizeof(GLaccum), /* a */
- 0 /* level */
+ zBits,
+ STENCIL_BITS,
+ 0, 0, 0, 0, /* accum bits */
+ 0, /* level */
+ 0 /* numAux */
);
}
else {
/* can be done? They should use glXChooseVisual(). */
return save_glx_visual( dpy, visinfo,
GL_TRUE, /* rgb */
- GL_FALSE, /* alpha */
+ alphaFlag, /* alpha */
GL_TRUE, /* double */
GL_FALSE, /* stereo */
- DEFAULT_SOFTWARE_DEPTH_BITS,
- 8 * sizeof(GLstencil),
- 8 * sizeof(GLaccum), /* r */
- 8 * sizeof(GLaccum), /* g */
- 8 * sizeof(GLaccum), /* b */
- 8 * sizeof(GLaccum), /* a */
- 0 /* level */
+ zBits,
+ STENCIL_BITS,
+ accBits, /* r */
+ accBits, /* g */
+ accBits, /* b */
+ accBits, /* a */
+ 0, /* level */
+ 0 /* numAux */
);
}
}
{
int i;
- /* First try to match pointers */
+ /* try to match visual id */
for (i=0;i<NumVisuals;i++) {
- if (VisualTable[i]->display==dpy && VisualTable[i]->vishandle==vinfo) {
+ if (VisualTable[i]->display==dpy
+ && VisualTable[i]->visinfo->visualid == vinfo->visualid) {
return VisualTable[i];
}
}
- /* try to match visual id */
+
+ /* if that fails, try to match pointers */
for (i=0;i<NumVisuals;i++) {
- if (VisualTable[i]->display==dpy
- && VisualTable[i]->visinfo->visualid == vinfo->visualid) {
+ if (VisualTable[i]->display==dpy && VisualTable[i]->vishandle==vinfo) {
return VisualTable[i];
}
}
+
return NULL;
}
-/*
+/**
* Return the transparent pixel value for a GLX visual.
* Input: glxvis - the glx_visual
* Return: a pixel value or -1 if no transparent pixel
*/
-static int transparent_pixel( XMesaVisual glxvis )
+static int
+transparent_pixel( XMesaVisual glxvis )
{
Display *dpy = glxvis->display;
XVisualInfo *vinfo = glxvis->visinfo;
- Atom overlayVisualsAtom;
- OverlayInfo *overlay_info = NULL;
- int numOverlaysPerScreen;
- Status status;
- Atom actualType;
- int actualFormat;
- unsigned long sizeData, bytesLeft;
- int i;
-
- /*
- * The SERVER_OVERLAY_VISUALS property on the root window contains
- * a list of overlay visuals. Get that list now.
- */
- overlayVisualsAtom = XInternAtom(dpy,"SERVER_OVERLAY_VISUALS", True);
- if (overlayVisualsAtom == None) {
- return -1;
- }
-
- status = XGetWindowProperty(dpy, RootWindow( dpy, vinfo->screen ),
- overlayVisualsAtom, 0L, (long) 10000, False,
- overlayVisualsAtom, &actualType, &actualFormat,
- &sizeData, &bytesLeft,
- (unsigned char **) &overlay_info );
+ OverlayInfo *overlay_info;
+ int numOverlaysPerScreen, i;
- if (status != Success || actualType != overlayVisualsAtom ||
- actualFormat != 32 || sizeData < 4) {
- /* something went wrong */
- XFree((void *) overlay_info);
+ overlay_info = GetOverlayInfo(dpy, vinfo->screen, &numOverlaysPerScreen);
+ if (!overlay_info) {
return -1;
}
- /* search the overlay visual list for the visual ID of interest */
- numOverlaysPerScreen = (int) (sizeData / 4);
- for (i=0;i<numOverlaysPerScreen;i++) {
- OverlayInfo *ov;
- ov = overlay_info + i;
- if (ov->overlay_visual==vinfo->visualid) {
+ for (i = 0; i < numOverlaysPerScreen; i++) {
+ const OverlayInfo *ov = overlay_info + i;
+ if (ov->overlay_visual == vinfo->visualid) {
/* found it! */
- if (ov->transparent_type==0) {
+ if (ov->transparent_type == 0) {
/* type 0 indicates no transparency */
XFree((void *) overlay_info);
return -1;
-/*
+/**
* Try to get an X visual which matches the given arguments.
*/
-static XVisualInfo *get_visual( Display *dpy, int scr,
- unsigned int depth, int xclass )
+static XVisualInfo *
+get_visual( Display *dpy, int scr, unsigned int depth, int xclass )
{
XVisualInfo temp, *vis;
long mask;
* varname - the name of the environment variable
* Return: an XVisualInfo pointer to NULL if error.
*/
-static XVisualInfo *get_env_visual(Display *dpy, int scr, const char *varname)
+static XVisualInfo *
+get_env_visual(Display *dpy, int scr, const char *varname)
{
char value[100], type[100];
int depth, xclass = -1;
}
}
- {
- char s[1000];
- sprintf(s, "Mesa: GLX unable to find visual class=%s, depth=%d.\n",
- type, depth );
- _mesa_warning(NULL, s);
- }
+ _mesa_warning(NULL, "GLX unable to find visual class=%s, depth=%d.",
+ type, depth);
return NULL;
}
* preferred_class - preferred GLX visual class or DONT_CARE
* Return: pointer to an XVisualInfo or NULL.
*/
-static XVisualInfo *choose_x_visual( Display *dpy, int screen,
- GLboolean rgba, int min_depth,
- int preferred_class )
+static XVisualInfo *
+choose_x_visual( Display *dpy, int screen, GLboolean rgba, int min_depth,
+ int preferred_class )
{
XVisualInfo *vis;
int xclass, visclass = 0;
* preferred_class - preferred GLX visual class or DONT_CARE
* Return: pointer to an XVisualInfo or NULL.
*/
-static XVisualInfo *choose_x_overlay_visual( Display *dpy, int scr,
- GLboolean rgbFlag,
- int level, int trans_type,
- int trans_value,
- int min_depth,
- int preferred_class )
+static XVisualInfo *
+choose_x_overlay_visual( Display *dpy, int scr, GLboolean rgbFlag,
+ int level, int trans_type, int trans_value,
+ int min_depth, int preferred_class )
{
- Atom overlayVisualsAtom;
OverlayInfo *overlay_info;
int numOverlaysPerScreen;
- Status status;
- Atom actualType;
- int actualFormat;
- unsigned long sizeData, bytesLeft;
int i;
XVisualInfo *deepvis;
int deepest;
default: preferred_class = DONT_CARE;
}
- /*
- * The SERVER_OVERLAY_VISUALS property on the root window contains
- * a list of overlay visuals. Get that list now.
- */
- overlayVisualsAtom = XInternAtom(dpy,"SERVER_OVERLAY_VISUALS", True);
- if (overlayVisualsAtom == (Atom) None) {
- return NULL;
- }
-
- status = XGetWindowProperty(dpy, RootWindow( dpy, scr ),
- overlayVisualsAtom, 0L, (long) 10000, False,
- overlayVisualsAtom, &actualType, &actualFormat,
- &sizeData, &bytesLeft,
- (unsigned char **) &overlay_info );
-
- if (status != Success || actualType != overlayVisualsAtom ||
- actualFormat != 32 || sizeData < 4) {
- /* something went wrong */
+ overlay_info = GetOverlayInfo(dpy, scr, &numOverlaysPerScreen);
+ if (!overlay_info) {
return NULL;
}
deepest = min_depth;
deepvis = NULL;
- numOverlaysPerScreen = (int) (sizeData / 4);
- for (i=0;i<numOverlaysPerScreen;i++) {
+ for (i = 0; i < numOverlaysPerScreen; i++) {
+ const OverlayInfo *ov = overlay_info + i;
XVisualInfo *vislist, vistemplate;
int count;
- OverlayInfo *ov;
- ov = overlay_info + i;
if (ov->layer!=level) {
/* failed overlay level criteria */
}
+/**********************************************************************/
+/*** Display-related functions ***/
+/**********************************************************************/
+
+
+/**
+ * Free all XMesaVisuals which are associated with the given display.
+ */
+static void
+destroy_visuals_on_display(Display *dpy)
+{
+ int i;
+ for (i = 0; i < NumVisuals; i++) {
+ if (VisualTable[i]->display == dpy) {
+ /* remove this visual */
+ int j;
+ free(VisualTable[i]);
+ for (j = i; j < NumVisuals - 1; j++)
+ VisualTable[j] = VisualTable[j + 1];
+ NumVisuals--;
+ }
+ }
+}
+
+
+/**
+ * Called from XCloseDisplay() to let us free our display-related data.
+ */
+static int
+close_display_callback(Display *dpy, XExtCodes *codes)
+{
+ destroy_visuals_on_display(dpy);
+ xmesa_destroy_buffers_on_display(dpy);
+ return 0;
+}
+
+
+/**
+ * Look for the named extension on given display and return a pointer
+ * to the _XExtension data, or NULL if extension not found.
+ */
+static _XExtension *
+lookup_extension(Display *dpy, const char *extName)
+{
+ _XExtension *ext;
+ for (ext = dpy->ext_procs; ext; ext = ext->next) {
+ if (ext->name && strcmp(ext->name, extName) == 0) {
+ return ext;
+ }
+ }
+ return NULL;
+}
+
+
+/**
+ * Whenever we're given a new Display pointer, call this function to
+ * register our close_display_callback function.
+ */
+static void
+register_with_display(Display *dpy)
+{
+ const char *extName = "MesaGLX";
+ _XExtension *ext;
+
+ ext = lookup_extension(dpy, extName);
+ if (!ext) {
+ XExtCodes *c = XAddExtension(dpy);
+ ext = dpy->ext_procs; /* new extension is at head of list */
+ assert(c->extension == ext->codes.extension);
+ ext->name = _mesa_strdup(extName);
+ ext->close_display = close_display_callback;
+ }
+}
+
+
/**********************************************************************/
/*** Begin Fake GLX API Functions ***/
/**********************************************************************/
-static XMesaVisual choose_visual( Display *dpy, int screen, const int *list )
+/**
+ * Helper used by glXChooseVisual and glXChooseFBConfig.
+ * The fbConfig parameter must be GL_FALSE for the former and GL_TRUE for
+ * the later.
+ * In either case, the attribute list is terminated with the value 'None'.
+ */
+static XMesaVisual
+choose_visual( Display *dpy, int screen, const int *list, GLboolean fbConfig )
{
+ const GLboolean rgbModeDefault = fbConfig;
const int *parselist;
XVisualInfo *vis;
int min_ci = 0;
int min_red=0, min_green=0, min_blue=0;
- GLboolean rgb_flag = GL_FALSE;
+ GLboolean rgb_flag = rgbModeDefault;
GLboolean alpha_flag = GL_FALSE;
GLboolean double_flag = GL_FALSE;
GLboolean stereo_flag = GL_FALSE;
int trans_value = DONT_CARE;
GLint caveat = DONT_CARE;
XMesaVisual xmvis = NULL;
+ int desiredVisualID = -1;
+ int numAux = 0;
parselist = list;
switch (*parselist) {
case GLX_USE_GL:
- /* ignore */
- parselist++;
+ if (fbConfig) {
+ /* invalid token */
+ return NULL;
+ }
+ else {
+ /* skip */
+ parselist++;
+ }
break;
case GLX_BUFFER_SIZE:
parselist++;
level = *parselist++;
break;
case GLX_RGBA:
- rgb_flag = GL_TRUE;
- parselist++;
+ if (fbConfig) {
+ /* invalid token */
+ return NULL;
+ }
+ else {
+ rgb_flag = GL_TRUE;
+ parselist++;
+ }
break;
case GLX_DOUBLEBUFFER:
- double_flag = GL_TRUE;
- parselist++;
+ parselist++;
+ if (fbConfig) {
+ double_flag = *parselist++;
+ }
+ else {
+ double_flag = GL_TRUE;
+ }
break;
case GLX_STEREO:
- stereo_flag = GL_TRUE;
- return NULL;
+ parselist++;
+ if (fbConfig) {
+ stereo_flag = *parselist++;
+ }
+ else {
+ stereo_flag = GL_TRUE;
+ }
+ return NULL; /* stereo not supported */
case GLX_AUX_BUFFERS:
- /* ignore */
- parselist++;
parselist++;
+ numAux = *parselist++;
+ if (numAux > MAX_AUX_BUFFERS)
+ return NULL;
break;
case GLX_RED_SIZE:
parselist++;
parselist++;
{
GLint size = *parselist++;
- alpha_flag = size>0 ? 1 : 0;
+ alpha_flag = size ? GL_TRUE : GL_FALSE;
}
break;
case GLX_DEPTH_SIZE:
caveat = *parselist++; /* ignored for now */
break;
+ /*
+ * GLX_ARB_multisample
+ */
+ case GLX_SAMPLE_BUFFERS_ARB:
+ /* ms not supported */
+ return NULL;
+ case GLX_SAMPLES_ARB:
+ /* ms not supported */
+ return NULL;
+
/*
* FBConfig attribs.
*/
case GLX_RENDER_TYPE:
+ if (!fbConfig)
+ return NULL;
parselist++;
if (*parselist == GLX_RGBA_BIT) {
rgb_flag = GL_TRUE;
parselist++;
break;
case GLX_DRAWABLE_TYPE:
+ if (!fbConfig)
+ return NULL;
parselist++;
if (*parselist & ~(GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT)) {
return NULL; /* bad bit */
}
parselist++;
break;
+ case GLX_FBCONFIG_ID:
+ if (!fbConfig)
+ return NULL;
+ parselist++;
+ desiredVisualID = *parselist++;
+ break;
+ case GLX_X_RENDERABLE:
+ if (!fbConfig)
+ return NULL;
+ parselist += 2;
+ /* ignore */
+ break;
case None:
+ /* end of list */
break;
default:
/* undefined attribute */
- printf("unexpected attrib 0x%x\n", *parselist);
+ _mesa_warning(NULL, "unexpected attrib 0x%x in choose_visual()",
+ *parselist);
return NULL;
}
}
+ (void) caveat;
+
/*
* Since we're only simulating the GLX extension this function will never
* find any real GL visuals. Instead, all we can do is try to find an RGB
* double buffering, depth buffer, etc. will be associated with the X
* visual and stored in the VisualTable[].
*/
- if (level==0) {
+ if (desiredVisualID != -1) {
+ /* try to get a specific visual, by visualID */
+ XVisualInfo temp;
+ int n;
+ temp.visualid = desiredVisualID;
+ temp.screen = screen;
+ vis = XGetVisualInfo(dpy, VisualIDMask | VisualScreenMask, &temp, &n);
+ if (vis) {
+ /* give the visual some useful GLX attributes */
+ double_flag = GL_TRUE;
+ if (vis->depth > 8)
+ rgb_flag = GL_TRUE;
+ depth_size = default_depth_bits();
+ stencil_size = STENCIL_BITS;
+ /* XXX accum??? */
+ }
+ }
+ else if (level==0) {
/* normal color planes */
if (rgb_flag) {
/* Get an RGB visual */
* return 16 to maintain performance with earlier versions of Mesa.
*/
if (depth_size > 24)
- depth_size = 31; /* 32 causes int overflow problems */
+ depth_size = 32;
else if (depth_size > 16)
depth_size = 24;
- else if (depth_size > 0)
- depth_size = DEFAULT_SOFTWARE_DEPTH_BITS; /*16*/
+ else if (depth_size > 0) {
+ depth_size = default_depth_bits();
+ }
+
+ if (!alpha_flag) {
+ alpha_flag = default_alpha_bits() > 0;
+ }
/* we only support one size of stencil and accum buffers. */
if (stencil_size > 0)
stencil_size = STENCIL_BITS;
if (accumRedSize > 0 || accumGreenSize > 0 || accumBlueSize > 0 ||
accumAlphaSize > 0) {
- accumRedSize = ACCUM_BITS;
- accumGreenSize = ACCUM_BITS;
- accumBlueSize = ACCUM_BITS;
- accumAlphaSize = alpha_flag ? ACCUM_BITS : 0;
+ accumRedSize =
+ accumGreenSize =
+ accumBlueSize = default_accum_bits();
+ accumAlphaSize = alpha_flag ? accumRedSize : 0;
}
xmvis = save_glx_visual( dpy, vis, rgb_flag, alpha_flag, double_flag,
stereo_flag, depth_size, stencil_size,
accumRedSize, accumGreenSize,
- accumBlueSize, accumAlphaSize, level );
+ accumBlueSize, accumAlphaSize, level, numAux );
}
return xmvis;
static XVisualInfo *
Fake_glXChooseVisual( Display *dpy, int screen, int *list )
{
- XMesaVisual xmvis = choose_visual(dpy, screen, list);
- if (xmvis)
+ XMesaVisual xmvis;
+
+ /* register ourselves as an extension on this display */
+ register_with_display(dpy);
+
+ xmvis = choose_visual(dpy, screen, list, GL_FALSE);
+ if (xmvis) {
+#if 0
return xmvis->vishandle;
+#else
+ /* create a new vishandle - the cached one may be stale */
+ xmvis->vishandle = (XVisualInfo *) _mesa_malloc(sizeof(XVisualInfo));
+ if (xmvis->vishandle) {
+ _mesa_memcpy(xmvis->vishandle, xmvis->visinfo, sizeof(XVisualInfo));
+ }
+ return xmvis->vishandle;
+#endif
+ }
else
return NULL;
}
return 0;
/* deallocate unused windows/buffers */
+#if 0
XMesaGarbageCollect();
+#endif
xmvis = find_glx_visual( dpy, visinfo );
if (!xmvis) {
xmvis = create_glx_visual( dpy, visinfo );
if (!xmvis) {
/* unusable visual */
- FREE(glxCtx);
+ _mesa_free(glxCtx);
return NULL;
}
}
glxCtx->xmesaContext = XMesaCreateContext(xmvis,
shareCtx ? shareCtx->xmesaContext : NULL);
if (!glxCtx->xmesaContext) {
- FREE(glxCtx);
+ _mesa_free(glxCtx);
return NULL;
}
if (XMesaMakeCurrent2(xmctx, drawBuffer, readBuffer)) {
((__GLXcontext *) ctx)->currentDpy = dpy;
((__GLXcontext *) ctx)->currentDrawable = draw;
-#ifndef GLX_BUILT_IN_XMESA
((__GLXcontext *) ctx)->currentReadable = read;
-#else
- __glXSetCurrentContext(ctx);
-#endif
return True;
}
else {
MakeCurrent_PrevReadable = 0;
MakeCurrent_PrevDrawBuffer = 0;
MakeCurrent_PrevReadBuffer = 0;
-#ifdef GLX_BUILT_IN_XMESA
- /* XXX bind dummy context with __glXSetCurrentContext(ctx); */
-#endif
return True;
}
else {
}
-
static Bool
Fake_glXMakeCurrent( Display *dpy, GLXDrawable drawable, GLXContext ctx )
{
}
-
static GLXPixmap
Fake_glXCreateGLXPixmap( Display *dpy, XVisualInfo *visinfo, Pixmap pixmap )
{
if (!b) {
return 0;
}
- return b->frontbuffer;
+ return b->frontxrb->pixmap;
}
if (!b) {
return 0;
}
- return b->frontbuffer;
+ return b->frontxrb->pixmap;
}
}
-
static void
Fake_glXCopyContext( Display *dpy, GLXContext src, GLXContext dst,
unsigned long mask )
XMesaContext xm_src = fakeSrc->xmesaContext;
XMesaContext xm_dst = fakeDst->xmesaContext;
(void) dpy;
- _mesa_copy_context( xm_src->gl_ctx, xm_dst->gl_ctx, (GLuint) mask );
+ if (MakeCurrent_PrevContext == src) {
+ _mesa_Flush();
+ }
+ _mesa_copy_context( &(xm_src->mesa), &(xm_dst->mesa), (GLuint) mask );
}
-
static Bool
Fake_glXQueryExtension( Display *dpy, int *errorb, int *event )
{
MakeCurrent_PrevReadBuffer = 0;
XMesaDestroyContext( glxCtx->xmesaContext );
XMesaGarbageCollect();
+ _mesa_free(glxCtx);
}
-
static Bool
Fake_glXIsDirect( Display *dpy, GLXContext ctx )
{
XMesaSwapBuffers(buffer);
}
else if (_mesa_getenv("MESA_DEBUG")) {
- _mesa_warning(NULL, "Mesa: glXSwapBuffers: invalid drawable\n");
+ _mesa_warning(NULL, "glXSwapBuffers: invalid drawable 0x%x\n",
+ (int) drawable);
}
}
}
-
static Bool
Fake_glXQueryVersion( Display *dpy, int *maj, int *min )
{
}
-
/*
* Query the GLX attributes of the given XVisualInfo.
*/
ASSERT(xmvis);
switch(attrib) {
case GLX_USE_GL:
+ if (fbconfig)
+ return GLX_BAD_ATTRIBUTE;
*value = (int) True;
return 0;
case GLX_BUFFER_SIZE:
*value = xmvis->visinfo->depth;
return 0;
case GLX_LEVEL:
- *value = xmvis->level;
+ *value = xmvis->mesa_visual.level;
return 0;
case GLX_RGBA:
+ if (fbconfig)
+ return GLX_BAD_ATTRIBUTE;
if (xmvis->mesa_visual.rgbMode) {
*value = True;
}
*value = (int) xmvis->mesa_visual.stereoMode;
return 0;
case GLX_AUX_BUFFERS:
- *value = (int) False;
+ *value = xmvis->mesa_visual.numAuxBuffers;
return 0;
case GLX_RED_SIZE:
*value = xmvis->mesa_visual.redBits;
}
return 0;
case GLX_TRANSPARENT_TYPE_EXT:
- if (xmvis->level==0) {
+ if (xmvis->mesa_visual.level==0) {
/* normal planes */
*value = GLX_NONE_EXT;
}
- else if (xmvis->level>0) {
+ else if (xmvis->mesa_visual.level>0) {
/* overlay */
if (xmvis->mesa_visual.rgbMode) {
*value = GLX_TRANSPARENT_RGB_EXT;
*value = GLX_TRANSPARENT_INDEX_EXT;
}
}
- else if (xmvis->level<0) {
+ else if (xmvis->mesa_visual.level<0) {
/* underlay */
*value = GLX_NONE_EXT;
}
*/
case GLX_VISUAL_CAVEAT_EXT:
/* test for zero, just in case */
- if (xmvis->VisualCaveat > 0)
- *value = xmvis->VisualCaveat;
+ if (xmvis->mesa_visual.visualRating > 0)
+ *value = xmvis->mesa_visual.visualRating;
else
*value = GLX_NONE_EXT;
return 0;
/*
- * GLX_EXT_multisample
+ * GLX_ARB_multisample
*/
- case GLX_SAMPLE_BUFFERS_SGIS:
+ case GLX_SAMPLE_BUFFERS_ARB:
*value = 0;
return 0;
- case GLX_SAMPLES_SGIS:
+ case GLX_SAMPLES_ARB:
*value = 0;
return 0;
case GLX_FBCONFIG_ID_SGIX:
if (!fbconfig)
return GLX_BAD_ATTRIBUTE;
- *value = xmvis->vishandle->visualid;
+ *value = xmvis->visinfo->visualid;
break;
case GLX_MAX_PBUFFER_WIDTH:
if (!fbconfig)
return GLX_BAD_ATTRIBUTE;
/* XXX or MAX_WIDTH? */
- *value = DisplayWidth(xmvis->display, xmvis->vishandle->screen);
+ *value = DisplayWidth(xmvis->display, xmvis->visinfo->screen);
break;
case GLX_MAX_PBUFFER_HEIGHT:
if (!fbconfig)
return GLX_BAD_ATTRIBUTE;
- *value = DisplayHeight(xmvis->display, xmvis->vishandle->screen);
+ *value = DisplayHeight(xmvis->display, xmvis->visinfo->screen);
break;
case GLX_MAX_PBUFFER_PIXELS:
if (!fbconfig)
return GLX_BAD_ATTRIBUTE;
- *value = DisplayWidth(xmvis->display, xmvis->vishandle->screen) *
- DisplayHeight(xmvis->display, xmvis->vishandle->screen);
+ *value = DisplayWidth(xmvis->display, xmvis->visinfo->screen) *
+ DisplayHeight(xmvis->display, xmvis->visinfo->screen);
break;
case GLX_VISUAL_ID:
if (!fbconfig)
return GLX_BAD_ATTRIBUTE;
- *value = xmvis->vishandle->visualid;
+ *value = xmvis->visinfo->visualid;
break;
default:
int attrib, int *value )
{
XMesaVisual xmvis;
+ int k;
+ if (!dpy || !visinfo)
+ return GLX_BAD_ATTRIBUTE;
xmvis = find_glx_visual( dpy, visinfo );
if (!xmvis) {
}
}
- return get_config(xmvis, attrib, value, GL_FALSE);
+ k = get_config(xmvis, attrib, value, GL_FALSE);
+ return k;
}
Fake_glXQueryServerString( Display *dpy, int screen, int name )
{
static char version[1000];
- sprintf(version, "%d.%d %s", SERVER_MAJOR_VERSION, SERVER_MINOR_VERSION,
- MESA_GLX_VERSION);
+ _mesa_sprintf(version, "%d.%d %s",
+ SERVER_MAJOR_VERSION, SERVER_MINOR_VERSION, MESA_GLX_VERSION);
(void) dpy;
(void) screen;
Fake_glXGetClientString( Display *dpy, int name )
{
static char version[1000];
- sprintf(version, "%d.%d %s", CLIENT_MAJOR_VERSION, CLIENT_MINOR_VERSION,
- MESA_GLX_VERSION);
+ _mesa_sprintf(version, "%d.%d %s", CLIENT_MAJOR_VERSION,
+ CLIENT_MINOR_VERSION, MESA_GLX_VERSION);
(void) dpy;
*/
-static GLXFBConfig *
-Fake_glXChooseFBConfig( Display *dpy, int screen,
- const int *attribList, int *nitems )
-{
- XMesaVisual xmvis = choose_visual(dpy, screen, attribList);
- if (xmvis) {
- GLXFBConfig *config = _mesa_malloc(sizeof(XMesaVisual));
- if (!config) {
- *nitems = 0;
- return NULL;
- }
- *nitems = 1;
- config[0] = (GLXFBConfig) xmvis;
- return (GLXFBConfig *) config;
- }
- else {
- *nitems = 0;
- return NULL;
- }
-}
-
-
static int
Fake_glXGetFBConfigAttrib( Display *dpy, GLXFBConfig config,
int attribute, int *value )
visuals = XGetVisualInfo(dpy, visMask, &visTemplate, nelements);
if (*nelements > 0) {
XMesaVisual *results;
- results = _mesa_malloc(*nelements * sizeof(XMesaVisual));
+ results = (XMesaVisual *) _mesa_malloc(*nelements * sizeof(XMesaVisual));
if (!results) {
*nelements = 0;
return NULL;
}
+static GLXFBConfig *
+Fake_glXChooseFBConfig( Display *dpy, int screen,
+ const int *attribList, int *nitems )
+{
+ XMesaVisual xmvis;
+
+ if (!attribList || !attribList[0]) {
+ /* return list of all configs (per GLX_SGIX_fbconfig spec) */
+ return Fake_glXGetFBConfigs(dpy, screen, nitems);
+ }
+
+ xmvis = choose_visual(dpy, screen, attribList, GL_TRUE);
+ if (xmvis) {
+ GLXFBConfig *config = (GLXFBConfig *) _mesa_malloc(sizeof(XMesaVisual));
+ if (!config) {
+ *nitems = 0;
+ return NULL;
+ }
+ *nitems = 1;
+ config[0] = (GLXFBConfig) xmvis;
+ return (GLXFBConfig *) config;
+ }
+ else {
+ *nitems = 0;
+ return NULL;
+ }
+}
+
+
static XVisualInfo *
Fake_glXGetVisualFromFBConfig( Display *dpy, GLXFBConfig config )
{
if (dpy && config) {
- XMesaVisual v = (XMesaVisual) config;
- return v->vishandle;
+ XMesaVisual xmvis = (XMesaVisual) config;
+#if 0
+ return xmvis->vishandle;
+#else
+ /* create a new vishandle - the cached one may be stale */
+ xmvis->vishandle = (XVisualInfo *) _mesa_malloc(sizeof(XVisualInfo));
+ if (xmvis->vishandle) {
+ _mesa_memcpy(xmvis->vishandle, xmvis->visinfo, sizeof(XVisualInfo));
+ }
+ return xmvis->vishandle;
+#endif
}
else {
return NULL;
Fake_glXCreateWindow( Display *dpy, GLXFBConfig config, Window win,
const int *attribList )
{
+ XMesaVisual xmvis = (XMesaVisual) config;
+ XMesaBuffer xmbuf;
+ if (!xmvis)
+ return 0;
+
+ xmbuf = XMesaCreateWindowBuffer2(xmvis, win, NULL);
+ if (!xmbuf)
+ return 0;
+
(void) dpy;
- (void) config;
- (void) win;
(void) attribList; /* Ignored in GLX 1.3 */
return win; /* A hack for now */
const int *attribList )
{
XMesaVisual v = (XMesaVisual) config;
- XVisualInfo *visinfo;
XMesaBuffer b;
(void) dpy;
if (!dpy || !config || !pixmap)
return 0;
- visinfo = v->vishandle;
-
- v = find_glx_visual( dpy, visinfo );
- if (!v) {
- v = create_glx_visual( dpy, visinfo );
- if (!v) {
- /* unusable visual */
- return 0;
- }
- }
-
b = XMesaCreatePixmapBuffer( v, pixmap, 0 );
if (!b) {
return 0;
}
}
+ /* not used at this time */
+ (void) useLargest;
+ (void) preserveContents;
+
if (width == 0 || height == 0)
return 0;
/* A GLXPbuffer handle must be an X Drawable because that's what
* glXMakeCurrent takes.
*/
- return (GLXPbuffer) xmbuf->frontbuffer;
+ if (xmbuf)
+ return (GLXPbuffer) xmbuf->frontxrb->pixmap;
+ else
+ return 0;
}
switch (attribute) {
case GLX_WIDTH:
- *value = xmbuf->width;
+ *value = xmbuf->mesa_buffer.Width;
break;
case GLX_HEIGHT:
- *value = xmbuf->height;
+ *value = xmbuf->mesa_buffer.Height;
break;
case GLX_PRESERVED_CONTENTS:
*value = True;
break;
case GLX_LARGEST_PBUFFER:
- *value = xmbuf->width * xmbuf->height;
+ *value = xmbuf->mesa_buffer.Width * xmbuf->mesa_buffer.Height;
break;
case GLX_FBCONFIG_ID:
- *value = xmbuf->xm_visual->vishandle->visualid;
+ *value = xmbuf->xm_visual->visinfo->visualid;
return;
default:
return; /* GLX_BAD_ATTRIBUTE? */
Fake_glXCreateNewContext( Display *dpy, GLXFBConfig config,
int renderType, GLXContext shareList, Bool direct )
{
- XMesaVisual v = (XMesaVisual) config;
+ struct fake_glx_context *glxCtx;
+ struct fake_glx_context *shareCtx = (struct fake_glx_context *) shareList;
+ XMesaVisual xmvis = (XMesaVisual) config;
if (!dpy || !config ||
(renderType != GLX_RGBA_TYPE && renderType != GLX_COLOR_INDEX_TYPE))
return 0;
- return Fake_glXCreateContext(dpy, v->vishandle, shareList, direct);
+ glxCtx = CALLOC_STRUCT(fake_glx_context);
+ if (!glxCtx)
+ return 0;
+
+ /* deallocate unused windows/buffers */
+ XMesaGarbageCollect();
+
+ glxCtx->xmesaContext = XMesaCreateContext(xmvis,
+ shareCtx ? shareCtx->xmesaContext : NULL);
+ if (!glxCtx->xmesaContext) {
+ _mesa_free(glxCtx);
+ return NULL;
+ }
+
+ glxCtx->xmesaContext->direct = GL_FALSE;
+ glxCtx->glxContext.isDirect = GL_FALSE;
+ glxCtx->glxContext.currentDpy = dpy;
+ glxCtx->glxContext.xid = (XID) glxCtx; /* self pointer */
+
+ assert((void *) glxCtx == (void *) &(glxCtx->glxContext));
+
+ return (GLXContext) glxCtx;
}
switch (attribute) {
case GLX_FBCONFIG_ID:
- *value = xmctx->xm_visual->vishandle->visualid;
+ *value = xmctx->xm_visual->visinfo->visualid;
break;
case GLX_RENDER_TYPE:
if (xmctx->xm_visual->mesa_visual.rgbMode)
/*** GLX_SGI_video_sync ***/
+static unsigned int FrameCounter = 0;
+
static int
Fake_glXGetVideoSyncSGI(unsigned int *count)
{
- (void) count;
+ /* this is a bogus implementation */
+ *count = FrameCounter++;
return 0;
}
static int
Fake_glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count)
{
- (void) divisor;
- (void) remainder;
- (void) count;
+ if (divisor <= 0 || remainder < 0)
+ return GLX_BAD_VALUE;
+ /* this is a bogus implementation */
+ FrameCounter++;
+ while (FrameCounter % divisor != remainder)
+ FrameCounter++;
+ *count = FrameCounter;
return 0;
}
{
XMesaVisual xmvis = (XMesaVisual) config;
XMesaBuffer xmbuf = XMesaCreatePixmapBuffer(xmvis, pixmap, 0);
- return xmbuf->frontbuffer; /* need to return an X ID */
+ return xmbuf->frontxrb->pixmap; /* need to return an X ID */
}
glxCtx->xmesaContext = XMesaCreateContext(xmvis,
shareCtx ? shareCtx->xmesaContext : NULL);
if (!glxCtx->xmesaContext) {
- FREE(glxCtx);
+ _mesa_free(glxCtx);
return NULL;
}
(void) dpy;
- for (attrib = attribList; *attrib; attrib++) {
+ for (attrib = attribList; attrib && *attrib; attrib++) {
switch (*attrib) {
case GLX_PRESERVED_CONTENTS_SGIX:
attrib++;
}
}
+ /* not used at this time */
+ (void) useLargest;
+ (void) preserveContents;
+
xmbuf = XMesaCreatePBuffer( xmvis, 0, width, height);
/* A GLXPbuffer handle must be an X Drawable because that's what
* glXMakeCurrent takes.
*/
- return (GLXPbuffer) xmbuf->frontbuffer;
+ return (GLXPbuffer) xmbuf->frontxrb->pixmap;
}
*value = True;
break;
case GLX_LARGEST_PBUFFER_SGIX:
- *value = xmbuf->width * xmbuf->height;
+ *value = xmbuf->mesa_buffer.Width * xmbuf->mesa_buffer.Height;
break;
case GLX_WIDTH_SGIX:
- *value = xmbuf->width;
+ *value = xmbuf->mesa_buffer.Width;
break;
case GLX_HEIGHT_SGIX:
- *value = xmbuf->height;
+ *value = xmbuf->mesa_buffer.Height;
break;
case GLX_EVENT_MASK_SGIX:
*value = 0; /* XXX might be wrong */
-/*** AGP memory allocation ***/
+/*** GLX_NV_vertex_array range ***/
static void *
Fake_glXAllocateMemoryNV( GLsizei size,
GLfloat readFrequency,
}
+/*** GLX_MESA_agp_offset ***/
+
+static GLuint
+Fake_glXGetAGPOffsetMESA( const GLvoid *pointer )
+{
+ (void) pointer;
+ return ~0;
+}
+
+/* silence warning */
extern struct _glxapi_table *_mesa_GetGLXDispatchTable(void);
-struct _glxapi_table *_mesa_GetGLXDispatchTable(void)
+
+
+/**
+ * Create a new GLX API dispatch table with its function pointers
+ * initialized to point to Mesa's "fake" GLX API functions.
+ * Note: there's a similar function (_real_GetGLXDispatchTable) that
+ * returns a new dispatch table with all pointers initalized to point
+ * to "real" GLX functions (which understand GLX wire protocol, etc).
+ */
+struct _glxapi_table *
+_mesa_GetGLXDispatchTable(void)
{
static struct _glxapi_table glx;
/*** GLX_MESA_set_3dfx_mode ***/
glx.Set3DfxModeMESA = Fake_glXSet3DfxModeMESA;
- /*** GLX AGP memory allocation ***/
+ /*** GLX_NV_vertex_array_range ***/
glx.AllocateMemoryNV = Fake_glXAllocateMemoryNV;
glx.FreeMemoryNV = Fake_glXFreeMemoryNV;
+ /*** GLX_MESA_agp_offset ***/
+ glx.GetAGPOffsetMESA = Fake_glXGetAGPOffsetMESA;
+
return &glx;
}
projects / mesa.git / blobdiff