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authorBen Skeggs <skeggsb@gmail.com>2009-01-05 14:56:41 +1100
committerBen Skeggs <skeggsb@gmail.com>2009-01-06 08:05:57 +1100
commit17cbe451d28f60d8bf4e15a83528e891219cc0ee (patch)
tree0f96ebe18c0b250ed967bc4f07f38ac673aff77c /src/gallium/drivers/nv50
parent108942f22a51bc1435c34b04b2c9747825ccefb7 (diff)
nv50: working towards 3D textures
Diffstat (limited to 'src/gallium/drivers/nv50')
-rw-r--r--src/gallium/drivers/nv50/nv50_context.h4
-rw-r--r--src/gallium/drivers/nv50/nv50_miptree.c43
2 files changed, 40 insertions, 7 deletions
diff --git a/src/gallium/drivers/nv50/nv50_context.h b/src/gallium/drivers/nv50/nv50_context.h
index 5d377f2d06..0958bba334 100644
--- a/src/gallium/drivers/nv50/nv50_context.h
+++ b/src/gallium/drivers/nv50/nv50_context.h
@@ -70,6 +70,10 @@ struct nv50_rasterizer_stateobj {
struct nv50_miptree {
struct pipe_texture base;
struct pipe_buffer *buffer;
+
+ int *image_offset;
+ int image_nr;
+ int total_size;
};
static INLINE struct nv50_miptree *
diff --git a/src/gallium/drivers/nv50/nv50_miptree.c b/src/gallium/drivers/nv50/nv50_miptree.c
index 0e46a2b0be..2497371232 100644
--- a/src/gallium/drivers/nv50/nv50_miptree.c
+++ b/src/gallium/drivers/nv50/nv50_miptree.c
@@ -31,7 +31,8 @@ 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);
- unsigned usage, pitch, width, height;
+ unsigned usage, width = pt->width[0], height = pt->height[0];
+ int i;
mt->base = *pt;
mt->base.refcount = 1;
@@ -47,12 +48,31 @@ nv50_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt)
break;
}
- width = align(pt->width[0], 8);
- height = align(pt->height[0], 8);
- pitch = width * pt->block.size;
- pitch = (pitch + 63) & ~63;
+ switch (pt->target) {
+ case PIPE_TEXTURE_3D:
+ mt->image_nr = pt->depth[0];
+ break;
+ case PIPE_TEXTURE_CUBE:
+ mt->image_nr = 6;
+ break;
+ default:
+ mt->image_nr = 1;
+ break;
+ }
+ mt->image_offset = CALLOC(mt->image_nr, sizeof(int));
- mt->buffer = ws->buffer_create(ws, 256, usage, pitch * height);
+ for (i = 0; i < mt->image_nr; i++) {
+ int image_size;
+
+ image_size = align(width, 8) * pt->block.size;
+ image_size = align(image_size, 64);
+ image_size *= align(height, 8) * pt->block.size;
+
+ mt->image_offset[i] = mt->total_size;
+ mt->total_size += image_size;
+ }
+
+ mt->buffer = ws->buffer_create(ws, 256, usage, mt->total_size);
if (!mt->buffer) {
FREE(mt);
return NULL;
@@ -84,6 +104,15 @@ nv50_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
struct nv50_miptree *mt = nv50_miptree(pt);
struct nv50_surface *s;
struct pipe_surface *ps;
+ int img;
+
+ if (pt->target == PIPE_TEXTURE_CUBE)
+ img = face;
+ else
+ if (pt->target == PIPE_TEXTURE_3D)
+ img = zslice;
+ else
+ img = 0;
s = CALLOC_STRUCT(nv50_surface);
if (!s)
@@ -99,7 +128,7 @@ nv50_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
ps->nblocksx = pt->nblocksx[level];
ps->nblocksy = pt->nblocksy[level];
ps->stride = ps->width * ps->block.size;
- ps->offset = 0;
+ ps->offset = mt->image_offset[img];
ps->usage = flags;
ps->status = PIPE_SURFACE_STATUS_DEFINED;