nouveau: nv04-nv40 texture transfer.

1 files changed, 24 insertions, 32 deletions

diff --git a/src/gallium/drivers/nv30/nv30_miptree.c b/src/gallium/drivers/nv30/nv30_miptree.c
index b11ed8c24e2..ec0a8b8438c 100644
--- a/src/gallium/drivers/nv30/nv30_miptree.c
+++ b/src/gallium/drivers/nv30/nv30_miptree.c
@@ -69,6 +69,8 @@ nv30_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt)
 {
 	struct pipe_winsys *ws = pscreen->winsys;
 	struct nv30_miptree *mt;
+	unsigned buf_usage = PIPE_BUFFER_USAGE_PIXEL |
+	                     NOUVEAU_BUFFER_USAGE_TEXTURE;
 
 	mt = MALLOC(sizeof(struct nv30_miptree));
 	if (!mt)
@@ -76,8 +78,6 @@ nv30_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt)
 	mt->base = *pt;
 	mt->base.refcount = 1;
 	mt->base.screen = pscreen;
-	mt->shadow_tex = NULL;
-	mt->shadow_surface = NULL;
 
 	/* Swizzled textures must be POT */
 	if (pt->width[0] & (pt->width[0] - 1) ||
@@ -107,11 +107,12 @@ nv30_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt)
 		}
 	}
 
+	if (pt->tex_usage & PIPE_TEXTURE_USAGE_DYNAMIC)
+		buf_usage |= PIPE_BUFFER_USAGE_CPU_READ_WRITE;
+
 	nv30_miptree_layout(mt);
 
-	mt->buffer = ws->buffer_create(ws, 256,
-				       PIPE_BUFFER_USAGE_PIXEL |
-				       NOUVEAU_BUFFER_USAGE_TEXTURE,
+	mt->buffer = ws->buffer_create(ws, 256, buf_usage,
 				       mt->total_size);
 	if (!mt->buffer) {
 		FREE(mt);
@@ -163,12 +164,6 @@ nv30_miptree_release(struct pipe_screen *pscreen, struct pipe_texture **ppt)
 			FREE(mt->level[l].image_offset);
 	}
 
-	if (mt->shadow_tex) {
-		if (mt->shadow_surface)
-			pscreen->tex_surface_release(pscreen, &mt->shadow_surface);
-		nv30_miptree_release(pscreen, &mt->shadow_tex);
-	}
-
 	FREE(mt);
 }
 
@@ -178,36 +173,33 @@ nv30_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
 			 unsigned flags)
 {
 	struct nv30_miptree *nv30mt = (struct nv30_miptree *)pt;
-	struct pipe_surface *ps;
+	struct nv04_surface *ns;
 
-	ps = CALLOC_STRUCT(pipe_surface);
-	if (!ps)
+	ns = CALLOC_STRUCT(nv04_surface);
+	if (!ns)
 		return NULL;
-	pipe_texture_reference(&ps->texture, pt);
-	ps->format = pt->format;
-	ps->width = pt->width[level];
-	ps->height = pt->height[level];
-	ps->block = pt->block;
-	ps->nblocksx = pt->nblocksx[level];
-	ps->nblocksy = pt->nblocksy[level];
-	ps->stride = nv30mt->level[level].pitch;
-	ps->usage = flags;
-	ps->status = PIPE_SURFACE_STATUS_DEFINED;
-	ps->refcount = 1;
-	ps->face = face;
-	ps->level = level;
-	ps->zslice = zslice;
+	pipe_texture_reference(&ns->base.texture, pt);
+	ns->base.format = pt->format;
+	ns->base.width = pt->width[level];
+	ns->base.height = pt->height[level];
+	ns->base.usage = flags;
+	ns->base.status = PIPE_SURFACE_STATUS_DEFINED;
+	ns->base.refcount = 1;
+	ns->base.face = face;
+	ns->base.level = level;
+	ns->base.zslice = zslice;
+	ns->pitch = nv30mt->level[level].pitch;
 
 	if (pt->target == PIPE_TEXTURE_CUBE) {
-		ps->offset = nv30mt->level[level].image_offset[face];
+		ns->base.offset = nv30mt->level[level].image_offset[face];
 	} else
 	if (pt->target == PIPE_TEXTURE_3D) {
-		ps->offset = nv30mt->level[level].image_offset[zslice];
+		ns->base.offset = nv30mt->level[level].image_offset[zslice];
 	} else {
-		ps->offset = nv30mt->level[level].image_offset[0];
+		ns->base.offset = nv30mt->level[level].image_offset[0];
 	}
 
-	return ps;
+	return &ns->base;
 }
 
 static void