nv50: use nouveau_bo for query buffers
[mesa.git] / src / gallium / drivers / nv50 / nv50_miptree.c
index ccb916d6accf1866eff9c1bc90d135e90506b36c..2fbedb6779a0700a7442ced54f70a6173b46bf66 100644 (file)
+/*
+ * Copyright 2008 Ben Skeggs
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
 #include "pipe/p_state.h"
 #include "pipe/p_defines.h"
-#include "pipe/p_util.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)
+nv50_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *tmp)
 {
-       struct pipe_winsys *ws = pscreen->winsys;
+       struct nouveau_device *dev = nouveau_screen(pscreen)->device;
        struct nv50_miptree *mt = CALLOC_STRUCT(nv50_miptree);
-       
-       NOUVEAU_ERR("unimplemented\n");
-
-       mt->base = *pt;
-       mt->base.refcount = 1;
+       struct pipe_texture *pt = &mt->base;
+       unsigned width = tmp->width[0], height = tmp->height[0];
+       unsigned depth = tmp->depth[0];
+       uint32_t tile_mode = 0, tile_flags = 0;
+       int ret, i, l;
+
+       mt->base = *tmp;
+       pipe_reference_init(&mt->base.reference, 1);
        mt->base.screen = pscreen;
 
-       mt->buffer = ws->buffer_create(ws, 256, PIPE_BUFFER_USAGE_PIXEL,
-                                      512*32*4);
-       if (!mt->buffer) {
+       switch (pt->format) {
+       case PIPE_FORMAT_Z24S8_UNORM:
+       case PIPE_FORMAT_Z16_UNORM:
+               tile_flags = 0x2800;
+               break;
+       default:
+               tile_flags = 0x7000;
+               break;
+       }
+
+       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;
+       }
+
+       for (l = 0; l <= pt->last_level; l++) {
+               struct nv50_miptree_level *lvl = &mt->level[l];
+
+               pt->width[l] = width;
+               pt->height[l] = height;
+               pt->depth[l] = depth;
+               pt->nblocksx[l] = pf_get_nblocksx(&pt->block, width);
+               pt->nblocksy[l] = pf_get_nblocksy(&pt->block, height);
+
+               lvl->image_offset = CALLOC(mt->image_nr, sizeof(int));
+               lvl->pitch = align(pt->width[l] * pt->block.size, 64);
+
+               width = MAX2(1, width >> 1);
+               height = MAX2(1, height >> 1);
+               depth = MAX2(1, depth >> 1);
+       }
+
+       for (i = 0; i < mt->image_nr; i++) {
+               for (l = 0; l <= pt->last_level; l++) {
+                       struct nv50_miptree_level *lvl = &mt->level[l];
+                       int size;
+
+                       size  = align(pt->width[l], 8) * pt->block.size;
+                       size  = align(size, 64);
+                       size *= align(pt->height[l], 8) * pt->block.size;
+
+                       lvl->image_offset[i] = mt->total_size;
+
+                       mt->total_size += size;
+               }
+       }
+
+       ret = nouveau_bo_new_tile(dev, NOUVEAU_BO_VRAM, 256, mt->total_size,
+                                 tile_mode, tile_flags, &mt->bo);
+       if (ret) {
                FREE(mt);
                return NULL;
        }
-
+                            
        return &mt->base;
 }
 
-static void
-nv50_miptree_release(struct pipe_screen *pscreen, struct pipe_texture **ppt)
+static struct pipe_texture *
+nv50_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt,
+                    const unsigned *stride, struct pipe_buffer *pb)
 {
-       struct pipe_winsys *ws = pscreen->winsys;
-       struct pipe_texture *pt = *ppt;
+       struct nouveau_bo *bo = nouveau_bo(pb);
+       struct nv50_miptree *mt;
 
-       NOUVEAU_ERR("unimplemented\n");
+       /* Only supports 2D, non-mipmapped textures for the moment */
+       if (pt->target != PIPE_TEXTURE_2D || pt->last_level != 0 ||
+           pt->depth[0] != 1)
+               return NULL;
 
-       *ppt = NULL;
-       if (--pt->refcount <= 0) {
-               struct nv50_miptree *mt = nv50_miptree(pt);
+       mt = CALLOC_STRUCT(nv50_miptree);
+       if (!mt)
+               return NULL;
 
-               pipe_buffer_reference(ws, &mt->buffer, NULL);
-               FREE(mt);
-       }
+       mt->base = *pt;
+       pipe_reference_init(&mt->base.reference, 1);
+       mt->base.screen = pscreen;
+       mt->image_nr = 1;
+       mt->level[0].pitch = *stride;
+       mt->level[0].image_offset = CALLOC(1, sizeof(unsigned));
+
+       nouveau_bo_ref(bo, &mt->bo);
+       return &mt->base;
+}
+
+static void
+nv50_miptree_destroy(struct pipe_texture *pt)
+{
+       struct nv50_miptree *mt = nv50_miptree(pt);
+
+       nouveau_bo_ref(NULL, &mt->bo);
+        FREE(mt);
 }
 
 static struct pipe_surface *
@@ -60,39 +146,52 @@ nv50_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
                         unsigned face, unsigned level, unsigned zslice,
                         unsigned flags)
 {
-       struct pipe_winsys *ws = pscreen->winsys;
        struct nv50_miptree *mt = nv50_miptree(pt);
+       struct nv50_miptree_level *lvl = &mt->level[level];
        struct pipe_surface *ps;
+       int img;
 
-       NOUVEAU_ERR("unimplemented\n");
+       if (pt->target == PIPE_TEXTURE_CUBE)
+               img = face;
+       else
+       if (pt->target == PIPE_TEXTURE_3D)
+               img = zslice;
+       else
+               img = 0;
 
-       ps = ws->surface_alloc(ws);
+       ps = CALLOC_STRUCT(pipe_surface);
        if (!ps)
                return NULL;
-
-       pipe_buffer_reference(ws, &ps->buffer, mt->buffer);
+       pipe_texture_reference(&ps->texture, pt);
        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;
+       ps->usage = flags;
+       pipe_reference_init(&ps->reference, 1);
+       ps->face = face;
+       ps->level = level;
+       ps->zslice = zslice;
+       ps->offset = lvl->image_offset[img];
 
        return ps;
 }
 
 static void
-nv50_miptree_surface_del(struct pipe_screen *pscreen,
-                        struct pipe_surface **psurface)
+nv50_miptree_surface_del(struct pipe_surface *ps)
 {
+       struct nv50_surface *s = nv50_surface(ps);
+
+        pipe_texture_reference(&ps->texture, NULL);
+        FREE(s);
 }
 
 void
 nv50_screen_init_miptree_functions(struct pipe_screen *pscreen)
 {
        pscreen->texture_create = nv50_miptree_create;
-       pscreen->texture_release = nv50_miptree_release;
+       pscreen->texture_blanket = nv50_miptree_blanket;
+       pscreen->texture_destroy = nv50_miptree_destroy;
        pscreen->get_tex_surface = nv50_miptree_surface_new;
-       pscreen->tex_surface_release = nv50_miptree_surface_del;
+       pscreen->tex_surface_destroy = nv50_miptree_surface_del;
 }