gallium: implement pipe_screen for softpipe driver

1 files changed, 49 insertions, 8 deletions

diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index 1594521961..f0e8350a4a 100644
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -80,23 +80,34 @@ softpipe_texture_layout(struct softpipe_texture * spt)
 }
 
 
+/* XXX temporary */
 static struct pipe_texture *
 softpipe_texture_create(struct pipe_context *pipe,
                         const struct pipe_texture *templat)
 {
+   return pipe->screen->texture_create(pipe->screen, templat);
+}
+
+
+static struct pipe_texture *
+softpipe_texture_create_screen(struct pipe_screen *screen,
+                               const struct pipe_texture *templat)
+{
+   struct pipe_winsys *ws = screen->winsys;
    struct softpipe_texture *spt = CALLOC_STRUCT(softpipe_texture);
    if (!spt)
       return NULL;
 
    spt->base = *templat;
    spt->base.refcount = 1;
-   spt->base.pipe = pipe;
+   spt->base.pipe = NULL;
+   spt->base.screen = screen;
 
    softpipe_texture_layout(spt);
 
-   spt->buffer = pipe->winsys->buffer_create(pipe->winsys, 32,
-                                             PIPE_BUFFER_USAGE_PIXEL,
-                                             spt->buffer_size);
+   spt->buffer = ws->buffer_create(ws, 32,
+                                   PIPE_BUFFER_USAGE_PIXEL,
+                                   spt->buffer_size);
    if (!spt->buffer) {
       FREE(spt);
       return NULL;
@@ -108,9 +119,18 @@ softpipe_texture_create(struct pipe_context *pipe,
 }
 
 
+/* XXX temporary */
 static void
 softpipe_texture_release(struct pipe_context *pipe, struct pipe_texture **pt)
 {
+   return pipe->screen->texture_release(pipe->screen, pt);
+}
+
+
+static void
+softpipe_texture_release_screen(struct pipe_screen *screen,
+                                struct pipe_texture **pt)
+{
    if (!*pt)
       return;
 
@@ -125,7 +145,7 @@ softpipe_texture_release(struct pipe_context *pipe, struct pipe_texture **pt)
       DBG("%s deleting %p\n", __FUNCTION__, (void *) spt);
       */
 
-      pipe_buffer_reference(pipe->winsys, &spt->buffer, NULL);
+      pipe_buffer_reference(screen->winsys, &spt->buffer, NULL);
 
       FREE(spt);
    }
@@ -150,21 +170,32 @@ softpipe_texture_update(struct pipe_context *pipe,
 /**
  * Called via pipe->get_tex_surface()
  */
+/* XXX temporary */
 static struct pipe_surface *
 softpipe_get_tex_surface(struct pipe_context *pipe,
                          struct pipe_texture *pt,
                          unsigned face, unsigned level, unsigned zslice)
 {
+   return pipe->screen->get_tex_surface(pipe->screen, pt, face, level, zslice);
+}
+
+
+static struct pipe_surface *
+softpipe_get_tex_surface_screen(struct pipe_screen *screen,
+                                struct pipe_texture *pt,
+                                unsigned face, unsigned level, unsigned zslice)
+{
+   struct pipe_winsys *ws = screen->winsys;
    struct softpipe_texture *spt = softpipe_texture(pt);
    struct pipe_surface *ps;
 
    assert(level <= pt->last_level);
 
-   ps = pipe->winsys->surface_alloc(pipe->winsys);
+   ps = ws->surface_alloc(ws);
    if (ps) {
       assert(ps->refcount);
       assert(ps->winsys);
-      pipe_buffer_reference(pipe->winsys, &ps->buffer, spt->buffer);
+      pipe_buffer_reference(ws, &ps->buffer, spt->buffer);
       ps->format = pt->format;
       ps->cpp = pt->cpp;
       ps->width = pt->width[level];
@@ -176,7 +207,8 @@ softpipe_get_tex_surface(struct pipe_context *pipe,
 	 ps->offset += ((pt->target == PIPE_TEXTURE_CUBE) ? face : zslice) *
 		       (pt->compressed ? ps->height/4 : ps->height) *
 		       ps->width * ps->cpp;
-      } else {
+      }
+      else {
 	 assert(face == 0);
 	 assert(zslice == 0);
       }
@@ -194,3 +226,12 @@ softpipe_init_texture_funcs( struct softpipe_context *softpipe )
    softpipe->pipe.texture_update = softpipe_texture_update;
    softpipe->pipe.get_tex_surface = softpipe_get_tex_surface;
 }
+
+
+void
+softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
+{
+   screen->texture_create = softpipe_texture_create_screen;
+   screen->texture_release = softpipe_texture_release_screen;
+   screen->get_tex_surface = softpipe_get_tex_surface_screen;
+}