| #include "pipe/p_state.h" |
| #include "pipe/p_defines.h" |
| #include "pipe/p_inlines.h" |
| |
| #include "nv04_context.h" |
| #include "nv04_screen.h" |
| |
| static void |
| nv04_miptree_layout(struct nv04_miptree *nv04mt) |
| { |
| struct pipe_texture *pt = &nv04mt->base; |
| uint width = pt->width[0], height = pt->height[0]; |
| uint offset = 0; |
| int nr_faces, l; |
| |
| nr_faces = 1; |
| |
| for (l = 0; l <= pt->last_level; l++) { |
| pt->width[l] = width; |
| pt->height[l] = height; |
| |
| pt->nblocksx[l] = pf_get_nblocksx(&pt->block, width); |
| pt->nblocksy[l] = pf_get_nblocksy(&pt->block, height); |
| |
| nv04mt->level[l].pitch = pt->width[0]; |
| nv04mt->level[l].pitch = (nv04mt->level[l].pitch + 63) & ~63; |
| |
| width = MAX2(1, width >> 1); |
| height = MAX2(1, height >> 1); |
| } |
| |
| for (l = 0; l <= pt->last_level; l++) { |
| |
| nv04mt->level[l].image_offset = |
| CALLOC(nr_faces, sizeof(unsigned)); |
| offset += nv04mt->level[l].pitch * pt->height[l]; |
| } |
| |
| nv04mt->total_size = offset; |
| } |
| |
| static struct pipe_texture * |
| nv04_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt) |
| { |
| struct nv04_miptree *mt; |
| |
| mt = MALLOC(sizeof(struct nv04_miptree)); |
| if (!mt) |
| return NULL; |
| mt->base = *pt; |
| pipe_reference_init(&mt->base.reference, 1); |
| mt->base.screen = pscreen; |
| |
| //mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR; |
| |
| nv04_miptree_layout(mt); |
| |
| mt->buffer = pscreen->buffer_create(pscreen, 256, PIPE_BUFFER_USAGE_PIXEL | |
| NOUVEAU_BUFFER_USAGE_TEXTURE, |
| mt->total_size); |
| if (!mt->buffer) { |
| printf("failed %d byte alloc\n",mt->total_size); |
| FREE(mt); |
| return NULL; |
| } |
| |
| return &mt->base; |
| } |
| |
| static struct pipe_texture * |
| nv04_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt, |
| const unsigned *stride, struct pipe_buffer *pb) |
| { |
| struct nv04_miptree *mt; |
| |
| /* 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; |
| |
| mt = CALLOC_STRUCT(nv04_miptree); |
| if (!mt) |
| return NULL; |
| |
| mt->base = *pt; |
| pipe_reference_init(&mt->base.reference, 1); |
| mt->base.screen = pscreen; |
| mt->level[0].pitch = stride[0]; |
| mt->level[0].image_offset = CALLOC(1, sizeof(unsigned)); |
| |
| pipe_buffer_reference(&mt->buffer, pb); |
| return &mt->base; |
| } |
| |
| static void |
| nv04_miptree_destroy(struct pipe_texture *pt) |
| { |
| struct nv04_miptree *mt = (struct nv04_miptree *)pt; |
| int l; |
| |
| pipe_buffer_reference(&mt->buffer, NULL); |
| for (l = 0; l <= pt->last_level; l++) { |
| if (mt->level[l].image_offset) |
| FREE(mt->level[l].image_offset); |
| } |
| |
| FREE(mt); |
| } |
| |
| static struct pipe_surface * |
| nv04_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt, |
| unsigned face, unsigned level, unsigned zslice, |
| unsigned flags) |
| { |
| struct nv04_miptree *nv04mt = (struct nv04_miptree *)pt; |
| struct nv04_surface *ns; |
| |
| ns = CALLOC_STRUCT(nv04_surface); |
| if (!ns) |
| return NULL; |
| 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; |
| pipe_reference_init(&ns->base.reference, 1); |
| ns->base.face = face; |
| ns->base.level = level; |
| ns->base.zslice = zslice; |
| ns->pitch = nv04mt->level[level].pitch; |
| |
| ns->base.offset = nv04mt->level[level].image_offset; |
| |
| return &ns->base; |
| } |
| |
| static void |
| nv04_miptree_surface_del(struct pipe_surface *ps) |
| { |
| pipe_texture_reference(&ps->texture, NULL); |
| FREE(ps); |
| } |
| |
| void |
| nv04_screen_init_miptree_functions(struct pipe_screen *pscreen) |
| { |
| pscreen->texture_create = nv04_miptree_create; |
| pscreen->texture_blanket = nv04_miptree_blanket; |
| pscreen->texture_destroy = nv04_miptree_destroy; |
| pscreen->get_tex_surface = nv04_miptree_surface_new; |
| pscreen->tex_surface_destroy = nv04_miptree_surface_del; |
| } |
| |