g3dvl: Initialize DRI drawables correctly.
authorYounes Manton <younes.m@gmail.com>
Thu, 4 Sep 2008 08:43:34 +0000 (04:43 -0400)
committerYounes Manton <younes.m@gmail.com>
Sun, 7 Sep 2008 19:47:44 +0000 (15:47 -0400)
src/driclient/src/driclient.c

index 94d01aca4f94b93ad5b34d72ccddd9e883c7cbdd..2d7514166faa4ef4c504be00e985f66d19437e12 100644 (file)
@@ -12,40 +12,40 @@ int driCreateScreen(Display *display, int screen, dri_screen_t **dri_screen, dri
        drm_handle_t    sarea_handle;
        char            *bus_id;
        dri_screen_t    *dri_scrn;
-       
+
        assert(display);
        assert(dri_screen);
-       
+
        if (!XF86DRIQueryExtension(display, &evbase, &errbase))
                return 1;
-       
+
        dri_scrn = calloc(1, sizeof(dri_screen_t));
-       
+
        if (!dri_scrn)
                return 1;
 
        if (!XF86DRIQueryVersion(display, &dri_scrn->dri.major, &dri_scrn->dri.minor, &dri_scrn->dri.patch))
                goto free_screen;
-       
+
        dri_scrn->display = display;
        dri_scrn->num = screen;
        dri_scrn->draw_lock_id = 1;
-       
+
        if (!XF86DRIOpenConnection(display, screen, &sarea_handle, &bus_id))
                goto free_screen;
-       
+
        dri_scrn->fd = -1;
        dri_scrn->fd = drmOpenOnce(NULL, bus_id, &newly_opened);
        XFree(bus_id);
 
        if (dri_scrn->fd < 0)
                goto close_connection;
-       
+
        if (drmGetMagic(dri_scrn->fd, &magic))
                goto close_drm;
-       
+
        drm_version = drmGetVersion(dri_scrn->fd);
-       
+
        if (!drm_version)
                goto close_drm;
 
@@ -53,10 +53,10 @@ int driCreateScreen(Display *display, int screen, dri_screen_t **dri_screen, dri
        dri_scrn->drm.minor = drm_version->version_minor;
        dri_scrn->drm.patch = drm_version->version_patchlevel;
        drmFreeVersion(drm_version);
-                               
+
        if (!XF86DRIAuthConnection(display, screen, magic))
                goto close_drm;
-       
+
        if (!XF86DRIGetClientDriverName
        (
                display,
@@ -67,15 +67,15 @@ int driCreateScreen(Display *display, int screen, dri_screen_t **dri_screen, dri
                &driver_name
        ))
                goto close_drm;
-       
+
        if (drmMap(dri_scrn->fd, sarea_handle, SAREA_MAX, (drmAddress)&dri_scrn->sarea))
                goto close_drm;
-       
+
        dri_scrn->drawable_hash = drmHashCreate();
-       
+
        if (!dri_scrn->drawable_hash)
                goto unmap_sarea;
-       
+
        if (dri_framebuf)
        {
                if (!XF86DRIGetDeviceInfo
@@ -90,9 +90,9 @@ int driCreateScreen(Display *display, int screen, dri_screen_t **dri_screen, dri
                ))
                        goto destroy_hash;
        }
-       
+
        *dri_screen = dri_scrn;
-       
+
        return 0;
 
 destroy_hash:
@@ -105,20 +105,20 @@ close_connection:
        XF86DRICloseConnection(display, screen);
 free_screen:
        free(dri_scrn);
-       
+
        return 1;
 }
 
 int driDestroyScreen(dri_screen_t *dri_screen)
 {
        assert(dri_screen);
-       
+
        drmHashDestroy(dri_screen->drawable_hash);
        drmUnmap(dri_screen->sarea, SAREA_MAX);
        drmCloseOnce(dri_screen->fd);
        XF86DRICloseConnection(dri_screen->display, dri_screen->num);
        free(dri_screen);
-       
+
        return 0;
 }
 
@@ -126,73 +126,82 @@ int driCreateDrawable(dri_screen_t *dri_screen, Drawable drawable, dri_drawable_
 {
        int             evbase, errbase;
        dri_drawable_t  *dri_draw;
-       
+
        assert(dri_screen);
        assert(dri_drawable);
-       
+
        if (!XF86DRIQueryExtension(dri_screen->display, &evbase, &errbase))
                return 1;
-       
+
        if (!drmHashLookup(dri_screen->drawable_hash, drawable, (void**)dri_drawable))
        {
                /* Found */
                (*dri_drawable)->refcount++;
                return 0;
        }
-       
+
        dri_draw = calloc(1, sizeof(dri_drawable_t));
-       
+
        if (!dri_draw)
                return 1;
-       
+
        if (!XF86DRICreateDrawable(dri_screen->display, 0, drawable, &dri_draw->drm_drawable))
        {
                free(dri_draw);
                return 1;
        }
-       
+
        dri_draw->x_drawable = drawable;
        dri_draw->sarea_index = 0;
        dri_draw->sarea_stamp = NULL;
        dri_draw->last_sarea_stamp = 0;
        dri_draw->dri_screen = dri_screen;
        dri_draw->refcount = 1;
-       
+
        if (drmHashInsert(dri_screen->drawable_hash, drawable, dri_draw))
        {
                XF86DRIDestroyDrawable(dri_screen->display, dri_screen->num, drawable);
                free(dri_draw);
                return 1;
        }
-       
-       /*
-        * XXX: Need this to initialize sarea pointer and other stuff in dri_drawable_t
-        * to be able to use the DRI_VALIDATE_DRAWABLE_INFO macro, but is it safe to
-        * call without any sync?
-        */
-       if (driUpdateDrawableInfo(dri_draw))
+
+       if (!dri_draw->sarea_stamp || *dri_draw->sarea_stamp != dri_draw->last_sarea_stamp)
        {
-               XF86DRIDestroyDrawable(dri_screen->display, dri_screen->num, drawable);
-               free(dri_draw);
-               return 1;
+               DRM_SPINLOCK(&dri_screen->sarea->drawable_lock, dri_screen->draw_lock_id);
+
+               if (driUpdateDrawableInfo(dri_draw))
+               {
+                       XF86DRIDestroyDrawable(dri_screen->display, dri_screen->num, drawable);
+                       free(dri_draw);
+                       DRM_SPINUNLOCK(&dri_screen->sarea->drawable_lock, dri_screen->draw_lock_id);
+                       return 1;
+               }
+
+               DRM_SPINUNLOCK(&dri_screen->sarea->drawable_lock, dri_screen->draw_lock_id);
        }
-       
+
        *dri_drawable = dri_draw;
-       
+
        return 0;
 }
 
 int driUpdateDrawableInfo(dri_drawable_t *dri_drawable)
 {
        assert(dri_drawable);
-       
+
        if (dri_drawable->cliprects)
+       {
                XFree(dri_drawable->cliprects);
+               dri_drawable->cliprects = NULL;
+       }
        if (dri_drawable->back_cliprects)
+       {
                XFree(dri_drawable->back_cliprects);
-       
+               dri_drawable->back_cliprects = NULL;
+       }
+
        DRM_SPINUNLOCK(&dri_drawable->dri_screen->sarea->drawable_lock, dri_drawable->dri_screen->draw_lock_id);
-       
+
        if (!XF86DRIGetDrawableInfo
        (
                dri_drawable->dri_screen->display,
@@ -217,21 +226,21 @@ int driUpdateDrawableInfo(dri_drawable_t *dri_drawable)
                dri_drawable->cliprects = NULL;
                dri_drawable->num_back_cliprects = 0;
                dri_drawable->back_cliprects = 0;
-               
+
                return 1;
        }
        else
                dri_drawable->sarea_stamp = &dri_drawable->dri_screen->sarea->drawableTable[dri_drawable->sarea_index].stamp;
-       
+
        DRM_SPINLOCK(&dri_drawable->dri_screen->sarea->drawable_lock, dri_drawable->dri_screen->draw_lock_id);
-       
+
        return 0;
 }
 
 int driDestroyDrawable(dri_drawable_t *dri_drawable)
 {
        assert(dri_drawable);
-       
+
        if (--dri_drawable->refcount == 0)
        {
                if (dri_drawable->cliprects)
@@ -242,7 +251,7 @@ int driDestroyDrawable(dri_drawable_t *dri_drawable)
                XF86DRIDestroyDrawable(dri_drawable->dri_screen->display, dri_drawable->dri_screen->num, dri_drawable->x_drawable);
                free(dri_drawable);
        }
-       
+
        return 0;
 }
 
@@ -250,38 +259,37 @@ int driCreateContext(dri_screen_t *dri_screen, Visual *visual, dri_context_t **d
 {
        int             evbase, errbase;
        dri_context_t   *dri_ctx;
-       
+
        assert(dri_screen);
        assert(visual);
        assert(dri_context);
-       
+
        if (!XF86DRIQueryExtension(dri_screen->display, &evbase, &errbase))
                return 1;
-       
+
        dri_ctx = calloc(1, sizeof(dri_context_t));
-       
+
        if (!dri_ctx)
                return 1;
-       
+
        if (!XF86DRICreateContext(dri_screen->display, dri_screen->num, visual, &dri_ctx->id, &dri_ctx->drm_context))
        {
                free(dri_ctx);
                return 1;
        }
-       
-       dri_ctx->dri_screen = dri_screen;       
+
+       dri_ctx->dri_screen = dri_screen;
        *dri_context = dri_ctx;
-       
+
        return 0;
 }
 
 int driDestroyContext(dri_context_t *dri_context)
 {
        assert(dri_context);
-       
+
        XF86DRIDestroyContext(dri_context->dri_screen->display, dri_context->dri_screen->num, dri_context->id);
        free(dri_context);
-       
+
        return 0;
 }
-