--- /dev/null
+#ifndef XLIB_SW_WINSYS_H
+#define XLIB_SW_WINSYS_H
+
+#include "state_tracker/sw_winsys.h"
+#include <X11/Xlib.h>
+
+struct sw_winsys *xlib_create_sw_winsys( Display *display );
+
+/* This is what the xlib software winsys expects to find in the
+ * "private" field of flush_frontbuffers(). Xlib-based state trackers
+ * somehow need to know this.
+ */
+struct xlib_drawable {
+ Visual *visual;
+ int depth;
+ Drawable drawable;
+ GC gc; /* temporary? */
+};
+
+void
+xlib_sw_display(struct xlib_drawable *xm_buffer,
+ struct sw_displaytarget *dt);
+
+
+#endif
int desiredVisualID = -1;
int numAux = 0;
- xmesa_init();
+ xmesa_init( dpy );
parselist = list;
* corner of the window. Therefore, most drawing functions in this
* file have to flip Y coordinates.
*
- * Define USE_XSHM in the Makefile with -DUSE_XSHM if you want to compile
- * in support for the MIT Shared Memory extension. If enabled, when you
- * use an Ximage for the back buffer in double buffered mode, the "swap"
- * operation will be faster. You must also link with -lXext.
*
* Byte swapping: If the Mesa host and the X display use a different
* byte order then there's some trickiness to be aware of when using
}
-/**
- * Check if the X Shared Memory extension is available.
- * Return: 0 = not available
- * 1 = shared XImage support available
- * 2 = shared Pixmap support available also
- */
-int xmesa_check_for_xshm( Display *display )
-{
-#if defined(USE_XSHM)
- int major, minor, ignore;
- Bool pixmaps;
-
- if (getenv("SP_NO_RAST"))
- return 0;
-
- if (getenv("MESA_NOSHM")) {
- return 0;
- }
-
- if (XQueryExtension( display, "MIT-SHM", &ignore, &ignore, &ignore )) {
- if (XShmQueryVersion( display, &major, &minor, &pixmaps )==True) {
- return (pixmaps==True) ? 2 : 1;
- }
- else {
- return 0;
- }
- }
- else {
- return 0;
- }
-#else
- /* No XSHM support */
- return 0;
-#endif
-}
/**
pipe_mutex_lock(_xmesa_lock);
XSync(b->xm_visual->display, 0); /* added for Chromium */
- stat = get_drawable_size(dpy, b->drawable, width, height);
+ stat = get_drawable_size(dpy, b->ws.drawable, width, height);
pipe_mutex_unlock(_xmesa_lock);
if (!stat) {
if (!b)
return NULL;
- b->drawable = d;
+ b->ws.drawable = d;
+ b->ws.visual = vis->visinfo->visual;
+ b->ws.depth = vis->visinfo->depth;
b->xm_visual = vis;
b->type = type;
(void *) b);
fb = &b->stfb->Base;
- /*
- * Create scratch XImage for xmesa_display_surface()
- */
- b->tempImage = XCreateImage(vis->display,
- vis->visinfo->visual,
- vis->visinfo->depth,
- ZPixmap, 0, /* format, offset */
- NULL, /* data */
- 0, 0, /* size */
- 32, /* bitmap_pad */
- 0); /* bytes_per_line */
-
/* GLX_EXT_texture_from_pixmap */
b->TextureTarget = 0;
b->TextureFormat = GLX_TEXTURE_FORMAT_NONE_EXT;
/* Since the X window for the XMesaBuffer is going away, we don't
* want to dereference this pointer in the future.
*/
- b->drawable = 0;
-
- buffer->tempImage->data = NULL;
- XDestroyImage(buffer->tempImage);
+ b->ws.drawable = 0;
/* Unreference. If count = zero we'll really delete the buffer */
_mesa_reference_framebuffer(&fb, NULL);
- XFreeGC(b->xm_visual->display, b->gc);
+ XFreeGC(b->xm_visual->display, b->ws.gc);
free(buffer);
if (b && window) {
/* these should have been set in create_xmesa_buffer */
- ASSERT(b->drawable == window);
+ ASSERT(b->ws.drawable == window);
- /* Setup for single/double buffering */
- if (v->mesa_visual.doubleBufferMode) {
- /* Double buffered */
- b->shm = xmesa_check_for_xshm( v->display );
- }
/* X11 graphics context */
- b->gc = XCreateGC( v->display, window, 0, NULL );
- XSetFunction( v->display, b->gc, GXcopy );
+ b->ws.gc = XCreateGC( v->display, window, 0, NULL );
+ XSetFunction( v->display, b->ws.gc, GXcopy );
}
return GL_TRUE;
XMesaVisual v;
GLint red_bits, green_bits, blue_bits, alpha_bits;
- xmesa_init();
+ xmesa_init( display );
/* For debugging only */
if (_mesa_getenv("MESA_XSYNC")) {
* Do one-time initializations.
*/
void
-xmesa_init(void)
+xmesa_init( Display *display )
{
static GLboolean firstTime = GL_TRUE;
if (firstTime) {
pipe_mutex_init(_xmesa_lock);
- _screen = driver.create_pipe_screen();
+ _screen = driver.create_pipe_screen( display );
screen = trace_screen_create( _screen );
firstTime = GL_FALSE;
}
GLcontext *mesaCtx;
uint pf;
- xmesa_init();
+ xmesa_init( v->display );
/* Note: the XMesaContext contains a Mesa GLcontext struct (inheritance) */
c = (XMesaContext) CALLOC_STRUCT(xmesa_context);
frontLeftSurf = surf;
}
- driver.display_surface(b, frontLeftSurf);
+ driver.display_surface(&b->ws, frontLeftSurf);
}
xmesa_check_and_update_buffer_size(NULL, b);
{
XMesaBuffer b;
for (b = XMesaBufferList; b; b = b->Next) {
- if (b->drawable == d && b->xm_visual->display == dpy) {
+ if (b->ws.drawable == d && b->xm_visual->display == dpy) {
return b;
}
}
next = b->Next;
if (b->xm_visual &&
b->xm_visual->display &&
- b->drawable &&
+ b->ws.drawable &&
b->type == WINDOW) {
XSync(b->xm_visual->display, False);
- if (!window_exists( b->xm_visual->display, b->drawable )) {
+ if (!window_exists( b->xm_visual->display, b->ws.drawable )) {
/* found a dead window, free the ancillary info */
XMesaDestroyBuffer( b );
}
#include "state_tracker/st_public.h"
#include "os/os_thread.h"
+#include "state_tracker/xlib_sw_winsys.h"
# include <X11/Xlib.h>
# include <X11/Xlibint.h>
# include <X11/Xutil.h>
-# ifdef USE_XSHM /* was SHM */
-# include <sys/ipc.h>
-# include <sys/shm.h>
-# include <X11/extensions/XShm.h>
-# endif
typedef struct xmesa_buffer *XMesaBuffer;
typedef struct xmesa_context *XMesaContext;
*/
struct xmesa_buffer {
struct st_framebuffer *stfb;
+ struct xlib_drawable ws;
GLboolean wasCurrent; /* was ever the current buffer? */
XMesaVisual xm_visual; /* the X/Mesa visual */
XImage *tempImage;
unsigned long selectedEvents;/* for pbuffers only */
- GLuint shm; /* X Shared Memory extension status: */
- /* 0 = not available */
- /* 1 = XImage support available */
- /* 2 = Pixmap support available too */
-#if defined(USE_XSHM)
- XShmSegmentInfo shminfo;
-#endif
GC gc; /* scratch GC for span, line, tri drawing */
extern void
-xmesa_init(void);
+xmesa_init(Display *dpy);
extern void
xmesa_delete_framebuffer(struct gl_framebuffer *fb);
return b->stfb->Base.Height;
}
-extern int
-xmesa_check_for_xshm(Display *display);
#endif
struct pipe_context;
struct pipe_screen;
struct pipe_surface;
-struct xmesa_buffer;
+struct xlib_drawable;
+#include <X11/Xlib.h>
struct xm_driver {
- struct pipe_screen *(*create_pipe_screen)( void );
+ struct pipe_screen *(*create_pipe_screen)( Display *display );
- void (*display_surface)( struct xmesa_buffer *,
+ void (*display_surface)( struct xlib_drawable *,
struct pipe_surface * );
};
#include "llvmpipe/lp_texture.h"
#include "llvmpipe/lp_screen.h"
-#include "state_tracker/sw_winsys.h"
+#include "state_tracker/xlib_sw_winsys.h"
#include "util/u_debug.h"
static struct pipe_screen *
-xlib_create_llvmpipe_screen( void )
+xlib_create_llvmpipe_screen( Display *display )
{
struct sw_winsys *winsys;
struct pipe_screen *screen;
- winsys = xlib_create_sw_winsys();
+ winsys = xlib_create_sw_winsys( display );
if (winsys == NULL)
return NULL;
static void
-xlib_llvmpipe_display_surface(struct xmesa_buffer *xm_buffer,
+xlib_llvmpipe_display_surface(struct xlib_drawable *xm_buffer,
struct pipe_surface *surf)
{
struct llvmpipe_texture *texture = llvmpipe_texture(surf->texture);
#include "util/u_debug.h"
static struct pipe_screen *
-xlib_create_softpipe_screen( void )
+xlib_create_softpipe_screen( Display *display )
{
struct sw_winsys *winsys;
struct pipe_screen *screen;
- winsys = xlib_create_sw_winsys();
+ winsys = xlib_create_sw_winsys( display );
if (winsys == NULL)
return NULL;
#include "util/u_math.h"
#include "util/u_memory.h"
-#include "state_tracker/sw_winsys.h"
+#include "state_tracker/xlib_sw_winsys.h"
#include "xlib.h"
+#include <X11/Xlib.h>
+#include <X11/Xlibint.h>
+#include <X11/Xutil.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <X11/extensions/XShm.h>
+
/**
* Subclass of pipe_buffer for Xlib winsys.
* Low-level OS/window system memory buffer
void *data;
void *mapped;
+ Display *display;
+ Visual *visual;
XImage *tempImage;
-#ifdef USE_XSHM
- int shm;
+
XShmSegmentInfo shminfo;
-#endif
+ int shm;
};
/**
* Subclass of sw_winsys for Xlib winsys
*/
-struct xmesa_sw_winsys
+struct xlib_sw_winsys
{
struct sw_winsys base;
-/* struct xmesa_visual *xm_visual; */
+
+
+
+ Display *display;
};
* Allocate a shared memory XImage back buffer for the given XMesaBuffer.
*/
static void
-alloc_shm_ximage(struct xm_displaytarget *xm_buffer,
- struct xmesa_buffer *xmb,
+alloc_shm_ximage(struct xm_displaytarget *xm_dt,
+ struct xlib_drawable *xmb,
unsigned width, unsigned height)
{
/*
*/
int (*old_handler)(Display *, XErrorEvent *);
- xm_buffer->tempImage = XShmCreateImage(xmb->xm_visual->display,
- xmb->xm_visual->visinfo->visual,
- xmb->xm_visual->visinfo->depth,
- ZPixmap,
- NULL,
- &xm_buffer->shminfo,
- width, height);
- if (xm_buffer->tempImage == NULL) {
- xm_buffer->shm = 0;
+ xm_dt->tempImage = XShmCreateImage(xm_dt->display,
+ xmb->visual,
+ xmb->depth,
+ ZPixmap,
+ NULL,
+ &xm_dt->shminfo,
+ width, height);
+ if (xm_dt->tempImage == NULL) {
+ xm_dt->shm = 0;
return;
}
mesaXErrorFlag = 0;
old_handler = XSetErrorHandler(mesaHandleXError);
/* This may trigger the X protocol error we're ready to catch: */
- XShmAttach(xmb->xm_visual->display, &xm_buffer->shminfo);
- XSync(xmb->xm_visual->display, False);
+ XShmAttach(xm_dt->display, &xm_dt->shminfo);
+ XSync(xm_dt->display, False);
if (mesaXErrorFlag) {
/* we are on a remote display, this error is normal, don't print it */
- XFlush(xmb->xm_visual->display);
+ XFlush(xm_dt->display);
mesaXErrorFlag = 0;
- XDestroyImage(xm_buffer->tempImage);
- xm_buffer->tempImage = NULL;
- xm_buffer->shm = 0;
+ XDestroyImage(xm_dt->tempImage);
+ xm_dt->tempImage = NULL;
+ xm_dt->shm = 0;
(void) XSetErrorHandler(old_handler);
return;
}
- xm_buffer->shm = 1;
+ xm_dt->shm = 1;
}
#endif /* USE_XSHM */
* by the XMesaBuffer.
*/
void
-xlib_sw_display(struct xmesa_buffer *xm_buffer,
+xlib_sw_display(struct xlib_drawable *xlib_drawable,
struct sw_displaytarget *dt)
{
XImage *ximage;
{
assert(util_format_get_blockwidth(xm_dt->format) == 1);
assert(util_format_get_blockheight(xm_dt->format) == 1);
- alloc_shm_ximage(xm_dt, xm_buffer,
+ alloc_shm_ximage(xm_dt,
+ xlib_drawable,
xm_dt->stride / util_format_get_blocksize(xm_dt->format),
xm_dt->height);
}
ximage->data = xm_dt->data;
/* _debug_printf("XSHM\n"); */
- XShmPutImage(xm_buffer->xm_visual->display, xm_buffer->drawable, xm_buffer->gc,
+ XShmPutImage(xm_dt->display, xlib_drawable->drawable, xlib_drawable->gc,
ximage, 0, 0, 0, 0, xm_dt->width, xm_dt->height, False);
}
else
ximage->bytes_per_line = xm_dt->stride;
/* _debug_printf("XPUT\n"); */
- XPutImage(xm_buffer->xm_visual->display, xm_buffer->drawable, xm_buffer->gc,
+ XPutImage(xm_dt->display, xlib_drawable->drawable, xlib_drawable->gc,
ximage, 0, 0, 0, 0, xm_dt->width, xm_dt->height);
}
}
struct sw_displaytarget *dt,
void *context_private)
{
- XMesaContext xmctx = (XMesaContext) context_private;
- struct xmesa_buffer *xm_buffer = xmctx->xm_buffer;
- xm_sw_display(xm_buffer, dt);
+ struct xlib_drawable *xlib_drawable = (struct xlib_drawable *)context_private;
+ xlib_sw_display(xlib_drawable, dt);
}
if(!xm_dt)
goto no_xm_dt;
+ xm_dt->display = ((struct xlib_sw_winsys *)winsys)->display;
xm_dt->format = format;
xm_dt->width = width;
xm_dt->height = height;
struct sw_winsys *
-xlib_create_sw_winsys( void )
+xlib_create_sw_winsys( Display *display )
{
- struct xmesa_sw_winsys *ws;
+ struct xlib_sw_winsys *ws;
- ws = CALLOC_STRUCT(xmesa_sw_winsys);
+ ws = CALLOC_STRUCT(xlib_sw_winsys);
if (!ws)
return NULL;
+ ws->display = display;
ws->base.destroy = xm_destroy;
ws->base.is_displaytarget_format_supported = xm_is_displaytarget_format_supported;
projects / mesa.git / commitdiff