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-rw-r--r--src/gallium/drivers/nv50/nv50_miptree.c62
1 files changed, 58 insertions, 4 deletions
diff --git a/src/gallium/drivers/nv50/nv50_miptree.c b/src/gallium/drivers/nv50/nv50_miptree.c
index 7474c657650..58584934b18 100644
--- a/src/gallium/drivers/nv50/nv50_miptree.c
+++ b/src/gallium/drivers/nv50/nv50_miptree.c
@@ -1,29 +1,83 @@
#include "pipe/p_state.h"
#include "pipe/p_defines.h"
#include "pipe/p_util.h"
-#include "pipe/p_screen.h"
+#include "pipe/p_inlines.h"
#include "nv50_context.h"
+struct nv50_miptree {
+ struct pipe_texture base;
+ struct pipe_buffer *buffer;
+};
+
+static INLINE struct nv50_miptree *
+nv50_miptree(struct pipe_texture *pt)
+{
+ return (struct nv50_miptree *)pt;
+}
+
static struct pipe_texture *
nv50_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt)
{
+ struct pipe_winsys *ws = pscreen->winsys;
+ struct nv50_miptree *mt = CALLOC_STRUCT(nv50_miptree);
+
NOUVEAU_ERR("unimplemented\n");
- return NULL;
+
+ mt->base = *pt;
+ mt->base.refcount = 1;
+ mt->base.screen = pscreen;
+
+ mt->buffer = ws->buffer_create(ws, 256, PIPE_BUFFER_USAGE_PIXEL,
+ 512*32*4);
+ if (!mt->buffer) {
+ FREE(mt);
+ return NULL;
+ }
+
+ return &mt->base;
}
static void
-nv50_miptree_release(struct pipe_screen *pscreen, struct pipe_texture **pt)
+nv50_miptree_release(struct pipe_screen *pscreen, struct pipe_texture **ppt)
{
+ struct pipe_winsys *ws = pscreen->winsys;
+ struct pipe_texture *pt = *ppt;
+
NOUVEAU_ERR("unimplemented\n");
+
+ *ppt = NULL;
+ if (--pt->refcount <= 0) {
+ struct nv50_miptree *mt = nv50_miptree(pt);
+
+ pipe_buffer_reference(ws, &mt->buffer, NULL);
+ FREE(mt);
+ }
}
static struct pipe_surface *
nv50_miptree_surface(struct pipe_screen *pscreen, struct pipe_texture *pt,
unsigned face, unsigned level, unsigned zslice)
{
+ struct pipe_winsys *ws = pscreen->winsys;
+ struct nv50_miptree *mt = nv50_miptree(pt);
+ struct pipe_surface *ps;
+
NOUVEAU_ERR("unimplemented\n");
- return NULL;
+
+ ps = ws->surface_alloc(ws);
+ if (!ps)
+ return NULL;
+
+ pipe_buffer_reference(ws, &ps->buffer, mt->buffer);
+ ps->format = pt->format;
+ ps->cpp = pt->cpp;
+ ps->width = pt->width[level];
+ ps->height = pt->height[level];
+ ps->pitch = ps->width;
+ ps->offset = 0;
+
+ return ps;
}
void