/*
* Mesa 3-D graphics library
- * Version: 6.2
+ * Version: 6.3
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
-
/*
* Test if the given XVisualInfo is usable for Mesa rendering.
*/
-/*
- * 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;
-/*
+/**
* Return the transparent pixel value for a GLX visual.
* Input: glxvis - the glx_visual
* Return: a pixel value or -1 if no transparent pixel
{
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 *
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 */
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->visinfo->visualid;
*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 */
}
-/*** GLX_ARB_render_texture ***/
-
-static Bool
-Fake_glXBindTexImageARB( Display *dpy, GLXPbuffer pbuffer, int buffer )
-{
- return False;
-}
-
-
-static Bool
-Fake_glXReleaseTexImageARB(Display *dpy, GLXPbuffer pbuffer, int buffer )
-{
- return False;
-}
-
-
-static Bool
-Fake_glXDrawableAttribARB( Display *dpy, GLXDrawable draw, const int *attribList )
-{
- return False;
-}
-
-
/* silence warning */
extern struct _glxapi_table *_mesa_GetGLXDispatchTable(void);
/*** GLX_MESA_agp_offset ***/
glx.GetAGPOffsetMESA = Fake_glXGetAGPOffsetMESA;
- /*** GLX_ARB_render_texture ***/
- glx.BindTexImageARB = Fake_glXBindTexImageARB;
- glx.ReleaseTexImageARB = Fake_glXReleaseTexImageARB;
- glx.DrawableAttribARB = Fake_glXDrawableAttribARB;
-
return &glx;
}
projects / mesa.git / blobdiff