#include "xmesaP.h"
#undef ASSERT
+#undef Elements
#include "pipe/p_winsys.h"
#include "pipe/p_format.h"
/**
+ * Subclass of pipe_buffer for Xlib winsys.
* Low-level OS/window system memory buffer
*/
struct xm_buffer
#endif
};
-#if defined(USE_XSHM) && !defined(XFree86Server)
-# define XSHM_ENABLED(b) ((b)->shm)
-#else
-# define XSHM_ENABLED(b) 0
-#endif
+/**
+ * Subclass of pipe_surface for Xlib winsys
+ */
struct xmesa_surface
{
struct pipe_surface surface;
int tileSize;
+ boolean no_swap;
};
/**
- * Derived from softpipe_winsys.
- * We just need one extra field which indicates the pixel format to use for
- * drawing surfaces so that we're compatible with the XVisual/window format.
+ * Subclass of pipe_winsys for Xlib winsys
*/
-struct xmesa_softpipe_winsys
-{
- struct softpipe_winsys spws;
- enum pipe_format pixelformat;
-};
-
-
struct xmesa_pipe_winsys
{
struct pipe_winsys base;
};
-static void alloc_shm_ximage(struct xm_buffer *b, struct xmesa_buffer *xmb,
- unsigned width, unsigned height);
/** Cast wrapper */
static INLINE struct xmesa_surface *
xmesa_surface(struct pipe_surface *ps)
{
-// assert(0);
return (struct xmesa_surface *) ps;
}
-/** cast wrapper */
-static INLINE struct xmesa_softpipe_winsys *
-xmesa_softpipe_winsys(struct softpipe_winsys *spws)
+
+/** Cast wrapper */
+static INLINE struct xm_buffer *
+xm_buffer( struct pipe_buffer *buf )
{
- return (struct xmesa_softpipe_winsys *) spws;
+ return (struct xm_buffer *)buf;
}
+
/**
- * Turn the softpipe opaque buffer pointer into a dri_bufmgr opaque
- * buffer pointer...
+ * X Shared Memory Image extension code
*/
-static INLINE struct xm_buffer *
-xm_buffer( struct pipe_buffer *buf )
+#if defined(USE_XSHM) && !defined(XFree86Server)
+
+#define XSHM_ENABLED(b) ((b)->shm)
+
+static volatile int mesaXErrorFlag = 0;
+
+/**
+ * Catches potential Xlib errors.
+ */
+static int
+mesaHandleXError(XMesaDisplay *dpy, XErrorEvent *event)
{
- return (struct xm_buffer *)buf;
+ (void) dpy;
+ (void) event;
+ mesaXErrorFlag = 1;
+ return 0;
}
+static GLboolean alloc_shm(struct xm_buffer *buf, unsigned size)
+{
+ XShmSegmentInfo *const shminfo = & buf->shminfo;
+
+ shminfo->shmid = shmget(IPC_PRIVATE, size, IPC_CREAT|0777);
+ if (shminfo->shmid < 0) {
+ return GL_FALSE;
+ }
+
+ shminfo->shmaddr = (char *) shmat(shminfo->shmid, 0, 0);
+ if (shminfo->shmaddr == (char *) -1) {
+ shmctl(shminfo->shmid, IPC_RMID, 0);
+ return GL_FALSE;
+ }
+
+ shminfo->readOnly = False;
+ return GL_TRUE;
+}
+
+
+/**
+ * Allocate a shared memory XImage back buffer for the given XMesaBuffer.
+ */
+static void
+alloc_shm_ximage(struct xm_buffer *b, struct xmesa_buffer *xmb,
+ unsigned width, unsigned height)
+{
+ /*
+ * We have to do a _lot_ of error checking here to be sure we can
+ * really use the XSHM extension. It seems different servers trigger
+ * errors at different points if the extension won't work. Therefore
+ * we have to be very careful...
+ */
+#if 0
+ GC gc;
+#endif
+ int (*old_handler)(XMesaDisplay *, XErrorEvent *);
+
+ b->tempImage = XShmCreateImage(xmb->xm_visual->display,
+ xmb->xm_visual->visinfo->visual,
+ xmb->xm_visual->visinfo->depth,
+ ZPixmap,
+ NULL,
+ &b->shminfo,
+ width, height);
+ if (b->tempImage == NULL) {
+ b->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, &b->shminfo);
+ XSync(xmb->xm_visual->display, False);
+
+ if (mesaXErrorFlag) {
+ /* we are on a remote display, this error is normal, don't print it */
+ XFlush(xmb->xm_visual->display);
+ mesaXErrorFlag = 0;
+ XDestroyImage(b->tempImage);
+ b->tempImage = NULL;
+ b->shm = 0;
+ (void) XSetErrorHandler(old_handler);
+ return;
+ }
+
+
+ /* Finally, try an XShmPutImage to be really sure the extension works */
+#if 0
+ gc = XCreateGC(xmb->xm_visual->display, xmb->drawable, 0, NULL);
+ XShmPutImage(xmb->xm_visual->display, xmb->drawable, gc,
+ b->tempImage, 0, 0, 0, 0, 1, 1 /*one pixel*/, False);
+ XSync(xmb->xm_visual->display, False);
+ XFreeGC(xmb->xm_visual->display, gc);
+ (void) XSetErrorHandler(old_handler);
+ if (mesaXErrorFlag) {
+ XFlush(xmb->xm_visual->display);
+ mesaXErrorFlag = 0;
+ XDestroyImage(b->tempImage);
+ b->tempImage = NULL;
+ b->shm = 0;
+ return;
+ }
+#endif
+}
+
+#else
+
+#define XSHM_ENABLED(b) 0
+
+static void
+alloc_shm_ximage(struct xm_buffer *b, struct xmesa_buffer *xmb,
+ unsigned width, unsigned height)
+{
+ b->shm = 0;
+}
+#endif /* USE_XSHM */
+
+
+
/* Most callbacks map direcly onto dri_bufmgr operations:
*/
const struct xmesa_surface *xm_surf
= xmesa_surface((struct pipe_surface *) surf);
+ if (xm_surf->no_swap)
+ return;
+
if (xm_surf->tileSize) {
xmesa_display_surface_tiled(b, surf);
return;
struct pipe_surface *surf,
void *context_private)
{
- /* The Xlib driver's front color surfaces are actually X Windows so
- * this flush is a no-op.
- * If we instead did front buffer rendering to a temporary XImage,
- * this would be the place to copy the Ximage to the on-screen Window.
+ /*
+ * The front color buffer is actually just another XImage buffer.
+ * This function copies that XImage to the actual X Window.
*/
XMesaContext xmctx = (XMesaContext) context_private;
xmesa_display_surface(xmctx->xm_buffer, surf);
-static void
-xm_printf(struct pipe_winsys *pws, const char *fmtString, ...)
-{
- va_list args;
- va_start( args, fmtString );
- vfprintf(stderr, fmtString, args);
- va_end( args );
-}
-
-
static const char *
xm_get_name(struct pipe_winsys *pws)
{
}
-#if defined(USE_XSHM) && !defined(XFree86Server)
-static volatile int mesaXErrorFlag = 0;
-
-/**
- * Catches potential Xlib errors.
- */
-static int
-mesaHandleXError(XMesaDisplay *dpy, XErrorEvent *event)
-{
- (void) dpy;
- (void) event;
- mesaXErrorFlag = 1;
- return 0;
-}
-
-
-static GLboolean alloc_shm(struct xm_buffer *buf, unsigned size)
-{
- XShmSegmentInfo *const shminfo = & buf->shminfo;
-
- shminfo->shmid = shmget(IPC_PRIVATE, size, IPC_CREAT|0777);
- if (shminfo->shmid < 0) {
- return GL_FALSE;
- }
-
- shminfo->shmaddr = (char *) shmat(shminfo->shmid, 0, 0);
- if (shminfo->shmaddr == (char *) -1) {
- shmctl(shminfo->shmid, IPC_RMID, 0);
- return GL_FALSE;
- }
-
- shminfo->readOnly = False;
- return GL_TRUE;
-}
-
-
-/**
- * Allocate a shared memory XImage back buffer for the given XMesaBuffer.
- */
-static void
-alloc_shm_ximage(struct xm_buffer *b, struct xmesa_buffer *xmb,
- unsigned width, unsigned height)
-{
- /*
- * We have to do a _lot_ of error checking here to be sure we can
- * really use the XSHM extension. It seems different servers trigger
- * errors at different points if the extension won't work. Therefore
- * we have to be very careful...
- */
-#if 0
- GC gc;
-#endif
- int (*old_handler)(XMesaDisplay *, XErrorEvent *);
-
- b->tempImage = XShmCreateImage(xmb->xm_visual->display,
- xmb->xm_visual->visinfo->visual,
- xmb->xm_visual->visinfo->depth,
- ZPixmap,
- NULL,
- &b->shminfo,
- width, height);
- if (b->tempImage == NULL) {
- b->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, &b->shminfo);
- XSync(xmb->xm_visual->display, False);
-
- if (mesaXErrorFlag) {
- /* we are on a remote display, this error is normal, don't print it */
- XFlush(xmb->xm_visual->display);
- mesaXErrorFlag = 0;
- XDestroyImage(b->tempImage);
- b->tempImage = NULL;
- b->shm = 0;
- (void) XSetErrorHandler(old_handler);
- return;
- }
-
-
- /* Finally, try an XShmPutImage to be really sure the extension works */
-#if 0
- gc = XCreateGC(xmb->xm_visual->display, xmb->drawable, 0, NULL);
- XShmPutImage(xmb->xm_visual->display, xmb->drawable, gc,
- b->tempImage, 0, 0, 0, 0, 1, 1 /*one pixel*/, False);
- XSync(xmb->xm_visual->display, False);
- XFreeGC(xmb->xm_visual->display, gc);
- (void) XSetErrorHandler(old_handler);
- if (mesaXErrorFlag) {
- XFlush(xmb->xm_visual->display);
- mesaXErrorFlag = 0;
- XDestroyImage(b->tempImage);
- b->tempImage = NULL;
- b->shm = 0;
- return;
- }
-#endif
-}
-#else
-static void
-alloc_shm_ximage(struct xm_buffer *b, struct xmesa_buffer *xmb,
- unsigned width, unsigned height)
-{
- b->shm = 0;
-}
-#endif
-
-
static struct pipe_buffer *
xm_buffer_create(struct pipe_winsys *pws,
unsigned alignment,
struct pipe_surface *surf,
unsigned width, unsigned height,
enum pipe_format format,
- unsigned flags)
+ unsigned flags,
+ unsigned tex_usage)
{
const unsigned alignment = 64;
surf->format = format;
surf->cpp = pf_get_size(format);
surf->pitch = round_up(width, alignment / surf->cpp);
+ surf->usage = flags;
#ifdef GALLIUM_CELL /* XXX a bit of a hack */
height = round_up(height, TILE_SIZE);
/**
- * Called via pipe->surface_alloc() to create new surfaces (textures,
- * renderbuffers, etc.
+ * Called via winsys->surface_alloc() to create new surfaces.
*/
static struct pipe_surface *
xm_surface_alloc(struct pipe_winsys *ws)
{
struct xmesa_surface *xms = CALLOC_STRUCT(xmesa_surface);
+ static boolean no_swap = 0;
+ static boolean firsttime = 1;
+
+ if (firsttime) {
+ no_swap = getenv("SP_NO_RAST") != NULL;
+ firsttime = 0;
+ }
assert(ws);
xms->tileSize = 32; /** probably temporary */
}
#endif
-
+
+ xms->no_swap = no_swap;
+
return &xms->surface;
}
xm_surface_release(struct pipe_winsys *winsys, struct pipe_surface **s)
{
struct pipe_surface *surf = *s;
+ assert(!surf->texture);
surf->refcount--;
if (surf->refcount == 0) {
if (surf->buffer)
{
static struct xmesa_pipe_winsys *ws = NULL;
- if (!ws && getenv("XM_AUB")) {
+ if (!ws) {
ws = (struct xmesa_pipe_winsys *) xmesa_create_pipe_winsys_aub();
}
- else if (!ws) {
+ return &ws->base;
+}
+
+
+static struct pipe_winsys *
+xmesa_get_pipe_winsys(struct xmesa_visual *xm_vis)
+{
+ static struct xmesa_pipe_winsys *ws = NULL;
+
+ if (!ws) {
ws = CALLOC_STRUCT(xmesa_pipe_winsys);
ws->xm_visual = xm_vis;
ws->base.surface_alloc_storage = xm_surface_alloc_storage;
ws->base.surface_release = xm_surface_release;
- ws->fence_reference = xm_fence_reference;
- ws->fence_signalled = xm_fence_signalled;
- ws->fence_finish = xm_fence_finish;
+ ws->base.fence_reference = xm_fence_reference;
+ ws->base.fence_signalled = xm_fence_signalled;
+ ws->base.fence_finish = xm_fence_finish;
ws->base.flush_frontbuffer = xm_flush_frontbuffer;
- ws->base.printf = xm_printf;
ws->base.get_name = xm_get_name;
}
}
-/**
- * Called via softpipe_winsys->is_format_supported().
- * This function is only called to test formats for front/back color surfaces.
- * The winsys being queried will have been created at glXCreateContext
- * time, with a pixel format corresponding to the context's visual.
- */
-static boolean
-xmesa_is_format_supported(struct softpipe_winsys *sws,
- enum pipe_format format)
-{
- struct xmesa_softpipe_winsys *xmws = xmesa_softpipe_winsys(sws);
- return (format == xmws->pixelformat);
-}
-
-
-/**
- * Return pointer to a softpipe_winsys object.
- */
-static struct softpipe_winsys *
-xmesa_get_softpipe_winsys(uint pixelformat)
-{
- struct xmesa_softpipe_winsys *xmws
- = CALLOC_STRUCT(xmesa_softpipe_winsys);
- if (!xmws)
- return NULL;
-
- xmws->spws.is_format_supported = xmesa_is_format_supported;
- xmws->pixelformat = pixelformat;
-
- return &xmws->spws;
-}
-
-
struct pipe_context *
xmesa_create_pipe_context(XMesaContext xmesa, uint pixelformat)
{
- struct pipe_winsys *pws = xmesa_get_pipe_winsys_aub(xmesa->xm_visual);
+ struct pipe_winsys *pws;
struct pipe_context *pipe;
+ if (getenv("XM_AUB")) {
+ pws = xmesa_get_pipe_winsys_aub(xmesa->xm_visual);
+ }
+ else {
+ pws = xmesa_get_pipe_winsys(xmesa->xm_visual);
+ }
+
#ifdef GALLIUM_CELL
if (!getenv("GALLIUM_NOCELL")) {
struct cell_winsys *cws = cell_get_winsys(pixelformat);
else
#endif
{
- struct softpipe_winsys *spws = xmesa_get_softpipe_winsys(pixelformat);
struct pipe_screen *screen = softpipe_create_screen(pws);
- pipe = softpipe_create(screen, pws, spws);
+ pipe = softpipe_create(screen, pws, NULL);
}
if (pipe)
projects / mesa.git / blobdiff