diff options
Diffstat (limited to 'src/gallium/state_trackers')
| -rw-r--r-- | src/gallium/state_trackers/xlib/fakeglx.c | 324 |
1 files changed, 6 insertions, 318 deletions
diff --git a/src/gallium/state_trackers/xlib/fakeglx.c b/src/gallium/state_trackers/xlib/fakeglx.c index ec9b8b39976..e4ad6c60c3b 100644 --- a/src/gallium/state_trackers/xlib/fakeglx.c +++ b/src/gallium/state_trackers/xlib/fakeglx.c @@ -108,22 +108,6 @@ static XMesaVisual *VisualTable = NULL; static int NumVisuals = 0; -/* - * This struct and some code fragments borrowed - * from Mark Kilgard's GLUT library. - */ -typedef struct _OverlayInfo { - /* Avoid 64-bit portability problems by being careful to use - longs due to the way XGetWindowProperty is specified. Note - that these parameters are passed as CARD32s over X - protocol. */ - unsigned long overlay_visual; - long transparent_type; - long value; - long layer; -} OverlayInfo; - - /* Macro to handle c_class vs class field name in XVisualInfo struct */ #if defined(__cplusplus) || defined(c_plusplus) @@ -165,98 +149,6 @@ is_usable_visual( XVisualInfo *vinfo ) } - -/** - * 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 OverlayInfo * -GetOverlayInfo(Display *dpy, int screen, int *numOverlays) -{ - Atom overlayVisualsAtom; - Atom actualType; - Status status; - unsigned char *ovInfo; - unsigned long sizeData, bytesLeft; - int actualFormat; - - /* - * 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 0; - } - - status = XGetWindowProperty(dpy, RootWindow(dpy, screen), - overlayVisualsAtom, 0L, (long) 10000, False, - overlayVisualsAtom, &actualType, &actualFormat, - &sizeData, &bytesLeft, - &ovInfo); - - if (status != Success || actualType != overlayVisualsAtom || - actualFormat != 32 || sizeData < 4) { - /* something went wrong */ - 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 */ - 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; - XFree((void *) overlay_info); - return level; - } - else { - XFree((void *) overlay_info); - return 0; - } - } - } - - /* The visual ID was not found in the overlay list. */ - XFree((void *) overlay_info); - return 0; -} - - - - /* * Given an XVisualInfo and RGB, Double, and Depth buffer flags, save the * configuration in our list of GLX visuals. @@ -413,27 +305,11 @@ default_accum_bits(void) static XMesaVisual 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) { - /* Configure this visual as a CI, single-buffered overlay */ - return save_glx_visual( dpy, visinfo, - GL_FALSE, /* rgb */ - GL_FALSE, /* alpha */ - GL_FALSE, /* double */ - GL_FALSE, /* stereo */ - 0, /* depth bits */ - 0, /* stencil bits */ - 0,0,0,0, /* accum bits */ - vislevel, /* level */ - 0 /* numAux */ - ); - } - else if (is_usable_visual( visinfo )) { + if (is_usable_visual( visinfo )) { if (_mesa_getenv("MESA_GLX_FORCE_CI")) { /* Configure this visual as a COLOR INDEX visual. */ return save_glx_visual( dpy, visinfo, @@ -504,45 +380,6 @@ find_glx_visual( Display *dpy, XVisualInfo *vinfo ) -/** - * 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 ) -{ - Display *dpy = glxvis->display; - XVisualInfo *vinfo = glxvis->visinfo; - OverlayInfo *overlay_info; - int numOverlaysPerScreen, i; - - overlay_info = GetOverlayInfo(dpy, vinfo->screen, &numOverlaysPerScreen); - if (!overlay_info) { - return -1; - } - - 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) { - /* type 0 indicates no transparency */ - XFree((void *) overlay_info); - return -1; - } - else { - /* ov->value is the transparent pixel */ - XFree((void *) overlay_info); - return ov->value; - } - } - } - - /* The visual ID was not found in the overlay list. */ - XFree((void *) overlay_info); - return -1; -} @@ -658,7 +495,6 @@ choose_x_visual( Display *dpy, int screen, GLboolean rgba, int min_depth, int depth; if (rgba) { - Atom hp_cr_maps = XInternAtom(dpy, "_HP_RGB_SMOOTH_MAP_LIST", True); /* First see if the MESA_RGB_VISUAL env var is defined */ vis = get_env_visual( dpy, screen, "MESA_RGB_VISUAL" ); if (vis) { @@ -678,7 +514,7 @@ choose_x_visual( Display *dpy, int screen, GLboolean rgba, int min_depth, if (min_depth==0) { /* start with shallowest */ for (depth=0;depth<=32;depth++) { - if (visclass==TrueColor && depth==8 && !hp_cr_maps) { + if (visclass==TrueColor && depth==8) { /* Special case: try to get 8-bit PseudoColor before */ /* 8-bit TrueColor */ vis = get_visual( dpy, screen, 8, PseudoColor ); @@ -695,7 +531,7 @@ choose_x_visual( Display *dpy, int screen, GLboolean rgba, int min_depth, else { /* start with deepest */ for (depth=32;depth>=min_depth;depth--) { - if (visclass==TrueColor && depth==8 && !hp_cr_maps) { + if (visclass==TrueColor && depth==8) { /* Special case: try to get 8-bit PseudoColor before */ /* 8-bit TrueColor */ vis = get_visual( dpy, screen, 8, PseudoColor ); @@ -807,117 +643,6 @@ choose_x_visual( Display *dpy, int screen, GLboolean rgba, int min_depth, -/* - * Find the deepest X over/underlay visual of at least min_depth. - * Input: dpy, screen - X display and screen number - * level - the over/underlay level - * trans_type - transparent pixel type: GLX_NONE_EXT, - * GLX_TRANSPARENT_RGB_EXT, GLX_TRANSPARENT_INDEX_EXT, - * or DONT_CARE - * trans_value - transparent pixel value or DONT_CARE - * min_depth - minimum visual depth - * 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 ) -{ - OverlayInfo *overlay_info; - int numOverlaysPerScreen; - int i; - XVisualInfo *deepvis; - int deepest; - - /*DEBUG int tt, tv; */ - - switch (preferred_class) { - case GLX_TRUE_COLOR_EXT: preferred_class = TrueColor; break; - case GLX_DIRECT_COLOR_EXT: preferred_class = DirectColor; break; - case GLX_PSEUDO_COLOR_EXT: preferred_class = PseudoColor; break; - case GLX_STATIC_COLOR_EXT: preferred_class = StaticColor; break; - case GLX_GRAY_SCALE_EXT: preferred_class = GrayScale; break; - case GLX_STATIC_GRAY_EXT: preferred_class = StaticGray; break; - default: preferred_class = DONT_CARE; - } - - overlay_info = GetOverlayInfo(dpy, scr, &numOverlaysPerScreen); - if (!overlay_info) { - return NULL; - } - - /* Search for the deepest overlay which satisifies all criteria. */ - deepest = min_depth; - deepvis = NULL; - - for (i = 0; i < numOverlaysPerScreen; i++) { - const OverlayInfo *ov = overlay_info + i; - XVisualInfo *vislist, vistemplate; - int count; - - if (ov->layer!=level) { - /* failed overlay level criteria */ - continue; - } - if (!(trans_type==DONT_CARE - || (trans_type==GLX_TRANSPARENT_INDEX_EXT - && ov->transparent_type>0) - || (trans_type==GLX_NONE_EXT && ov->transparent_type==0))) { - /* failed transparent pixel type criteria */ - continue; - } - if (trans_value!=DONT_CARE && trans_value!=ov->value) { - /* failed transparent pixel value criteria */ - continue; - } - - /* get XVisualInfo and check the depth */ - vistemplate.visualid = ov->overlay_visual; - vistemplate.screen = scr; - vislist = XGetVisualInfo( dpy, VisualIDMask | VisualScreenMask, - &vistemplate, &count ); - - if (count!=1) { - /* something went wrong */ - continue; - } - if (preferred_class!=DONT_CARE && preferred_class!=vislist->CLASS) { - /* wrong visual class */ - continue; - } - - /* if RGB was requested, make sure we have True/DirectColor */ - if (rgbFlag && vislist->CLASS != TrueColor - && vislist->CLASS != DirectColor) - continue; - - /* if CI was requested, make sure we have a color indexed visual */ - if (!rgbFlag - && (vislist->CLASS == TrueColor || vislist->CLASS == DirectColor)) - continue; - - if (deepvis==NULL || vislist->depth > deepest) { - /* YES! found a satisfactory visual */ - if (deepvis) { - XFree( deepvis ); - } - deepest = vislist->depth; - deepvis = vislist; - /* DEBUG tt = ov->transparent_type;*/ - /* DEBUG tv = ov->value; */ - } - } - -/*DEBUG - if (deepvis) { - printf("chose 0x%x: layer=%d depth=%d trans_type=%d trans_value=%d\n", - deepvis->visualid, level, deepvis->depth, tt, tv ); - } -*/ - return deepvis; -} - /**********************************************************************/ /*** Display-related functions ***/ @@ -1307,22 +1032,6 @@ choose_visual( Display *dpy, int screen, const int *list, GLboolean fbConfig ) } } else { - /* over/underlay planes */ - if (rgb_flag) { - /* rgba overlay */ - int min_rgb = min_red + min_green + min_blue; - if (min_rgb>1 && min_rgb<8) { - /* a special case to be sure we can get a monochrome visual */ - min_rgb = 1; - } - vis = choose_x_overlay_visual( dpy, screen, rgb_flag, level, - trans_type, trans_value, min_rgb, visual_type ); - } - else { - /* color index overlay */ - vis = choose_x_overlay_visual( dpy, screen, rgb_flag, level, - trans_type, trans_value, min_ci, visual_type ); - } } if (vis) { @@ -1810,32 +1519,11 @@ get_config( XMesaVisual xmvis, int attrib, int *value, GLboolean fbconfig ) } return 0; case GLX_TRANSPARENT_TYPE_EXT: - if (xmvis->mesa_visual.level==0) { - /* normal planes */ - *value = GLX_NONE_EXT; - } - else if (xmvis->mesa_visual.level>0) { - /* overlay */ - if (xmvis->mesa_visual.rgbMode) { - *value = GLX_TRANSPARENT_RGB_EXT; - } - else { - *value = GLX_TRANSPARENT_INDEX_EXT; - } - } - else if (xmvis->mesa_visual.level<0) { - /* underlay */ - *value = GLX_NONE_EXT; - } + /* normal planes */ + *value = GLX_NONE_EXT; return 0; case GLX_TRANSPARENT_INDEX_VALUE_EXT: - { - int pixel = transparent_pixel( xmvis ); - if (pixel>=0) { - *value = pixel; - } - /* else undefined */ - } + /* undefined */ return 0; case GLX_TRANSPARENT_RED_VALUE_EXT: /* undefined */ |