#include "util/u_format.h"
#include "nv50_context.h"
+#include "nv50_resource.h"
-/* The restrictions in tile mode selection probably aren't necessary. */
static INLINE uint32_t
-get_tile_mode(unsigned ny, unsigned d)
+nv50_tex_choose_tile_dims(unsigned nx, unsigned ny, unsigned nz)
{
- uint32_t tile_mode = 0x00;
-
- if (ny > 32) tile_mode = 0x04; /* height 64 tiles */
- else
- if (ny > 16) tile_mode = 0x03; /* height 32 tiles */
- else
- if (ny > 8) tile_mode = 0x02; /* height 16 tiles */
- else
- if (ny > 4) tile_mode = 0x01; /* height 8 tiles */
-
- if (d == 1)
- return tile_mode;
- else
- if (tile_mode > 0x02)
- tile_mode = 0x02;
-
- if (d > 16 && tile_mode < 0x02)
- return tile_mode | 0x50; /* depth 32 tiles */
- if (d > 8) return tile_mode | 0x40; /* depth 16 tiles */
- if (d > 4) return tile_mode | 0x30; /* depth 8 tiles */
- if (d > 2) return tile_mode | 0x20; /* depth 4 tiles */
-
- return tile_mode | 0x10;
+ return nvc0_tex_choose_tile_dims(nx, ny * 2, nz) >> 4;
}
-static INLINE unsigned
-get_zslice_offset(unsigned tile_mode, unsigned z, unsigned pitch, unsigned nb_h)
+static uint32_t
+nv50_mt_choose_storage_type(struct nv50_miptree *mt, boolean compressed)
{
- unsigned tile_h = get_tile_height(tile_mode);
- unsigned tile_d = get_tile_depth(tile_mode);
+ const unsigned ms = util_logbase2(mt->base.base.nr_samples);
+
+ uint32_t tile_flags;
+
+ if (mt->base.base.bind & PIPE_BIND_CURSOR)
+ return NOUVEAU_BO_TILE_SCANOUT;
+
+ switch (mt->base.base.format) {
+ case PIPE_FORMAT_Z16_UNORM:
+ tile_flags = 0x6c00 + (ms << 8);
+ break;
+ case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ tile_flags = 0x1800 + (ms << 8);
+ break;
+ case PIPE_FORMAT_Z24X8_UNORM:
+ case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
+ tile_flags = 0x22800 + (ms << 8);
+ break;
+ case PIPE_FORMAT_Z32_FLOAT:
+ tile_flags = 0x4000 + (ms << 8);
+ break;
+ case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
+ tile_flags = 0x6000 + (ms << 8);
+ break;
+ default:
+ switch (util_format_get_blocksizebits(mt->base.base.format)) {
+ case 128:
+ assert(ms < 3);
+ tile_flags = 0x7400;
+ break;
+ case 64:
+ switch (ms) {
+ case 2: tile_flags = 0x17c00; break;
+ case 3: tile_flags = 0x17d00; break;
+ default:
+ tile_flags = 0x7000;
+ break;
+ }
+ break;
+ case 32:
+ if (mt->base.base.bind & PIPE_BIND_SCANOUT) {
+ assert(ms == 0);
+ tile_flags = 0x7a00;
+ } else {
+ switch (ms) {
+ case 2: tile_flags = 0x17800; break;
+ case 3: tile_flags = 0x17900; break;
+ default:
+ tile_flags = 0x7000;
+ break;
+ }
+ }
+ break;
+ case 16:
+ case 8:
+ tile_flags = 0x7000;
+ break;
+ default:
+ return 0;
+ }
+ if (mt->base.base.bind & PIPE_BIND_CURSOR)
+ tile_flags = 0;
+ }
+
+ if (mt->base.base.bind & (PIPE_BIND_SCANOUT | PIPE_BIND_CURSOR))
+ tile_flags |= NOUVEAU_BO_TILE_SCANOUT;
+
+ if (!compressed)
+ tile_flags &= ~0x30000;
+
+ return tile_flags;
+}
+
+void
+nv50_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt)
+{
+ struct nv50_miptree *mt = nv50_miptree(pt);
- /* pitch_2d == to next slice within this volume-tile */
- /* pitch_3d == size (in bytes) of a volume-tile */
- unsigned pitch_2d = tile_h * 64;
- unsigned pitch_3d = tile_d * align(nb_h, tile_h) * pitch;
+ nouveau_screen_bo_release(pscreen, mt->base.bo);
- return (z % tile_d) * pitch_2d + (z / tile_d) * pitch_3d;
+ FREE(mt);
}
-static struct pipe_texture *
-nv50_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *tmp)
+boolean
+nv50_miptree_get_handle(struct pipe_screen *pscreen,
+ struct pipe_resource *pt,
+ struct winsys_handle *whandle)
{
- struct nouveau_device *dev = nouveau_screen(pscreen)->device;
- struct nv50_miptree *mt = CALLOC_STRUCT(nv50_miptree);
- struct pipe_texture *pt = &mt->base.base;
- unsigned width = tmp->width0, height = tmp->height0;
- unsigned depth = tmp->depth0, image_alignment;
- uint32_t tile_flags;
- int ret, i, l;
-
- *pt = *tmp;
- pipe_reference_init(&pt->reference, 1);
- pt->screen = pscreen;
-
- switch (pt->format) {
- case PIPE_FORMAT_Z32_FLOAT:
- tile_flags = 0x4800;
- break;
- case PIPE_FORMAT_Z24S8_UNORM:
- tile_flags = 0x1800;
- break;
- case PIPE_FORMAT_Z16_UNORM:
- tile_flags = 0x6c00;
- break;
- case PIPE_FORMAT_X8Z24_UNORM:
- case PIPE_FORMAT_S8Z24_UNORM:
- tile_flags = 0x2800;
- break;
- case PIPE_FORMAT_R32G32B32A32_FLOAT:
- case PIPE_FORMAT_R32G32B32_FLOAT:
- tile_flags = 0x7400;
- break;
- default:
- if ((pt->tex_usage & PIPE_TEXTURE_USAGE_PRIMARY) &&
- util_format_get_blocksizebits(pt->format) == 32)
- tile_flags = 0x7a00;
- else
- tile_flags = 0x7000;
- break;
- }
-
- /* XXX: texture arrays */
- mt->image_nr = (pt->target == PIPE_TEXTURE_CUBE) ? 6 : 1;
-
- for (l = 0; l <= pt->last_level; l++) {
- struct nv50_miptree_level *lvl = &mt->level[l];
- unsigned nblocksy = util_format_get_nblocksy(pt->format, height);
-
- lvl->image_offset = CALLOC(mt->image_nr, sizeof(int));
- lvl->pitch = align(util_format_get_stride(pt->format, width), 64);
- lvl->tile_mode = get_tile_mode(nblocksy, depth);
-
- width = u_minify(width, 1);
- height = u_minify(height, 1);
- depth = u_minify(depth, 1);
- }
-
- image_alignment = get_tile_height(mt->level[0].tile_mode) * 64;
- image_alignment *= get_tile_depth(mt->level[0].tile_mode);
-
- /* NOTE the distinction between arrays of mip-mapped 2D textures and
- * mip-mapped 3D textures. We can't use image_nr == depth for 3D mip.
- */
- 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;
- unsigned tile_h = get_tile_height(lvl->tile_mode);
- unsigned tile_d = get_tile_depth(lvl->tile_mode);
-
- size = lvl->pitch;
- size *= align(util_format_get_nblocksy(pt->format, u_minify(pt->height0, l)), tile_h);
- size *= align(u_minify(pt->depth0, l), tile_d);
-
- lvl->image_offset[i] = mt->total_size;
-
- mt->total_size += size;
- }
- mt->total_size = align(mt->total_size, image_alignment);
- }
-
- ret = nouveau_bo_new_tile(dev, NOUVEAU_BO_VRAM, 256, mt->total_size,
- mt->level[0].tile_mode, tile_flags,
- &mt->base.bo);
- if (ret) {
- for (l = 0; l <= pt->last_level; ++l)
- FREE(mt->level[l].image_offset);
- FREE(mt);
- return NULL;
- }
-
- return pt;
+ struct nv50_miptree *mt = nv50_miptree(pt);
+ unsigned stride;
+
+ if (!mt || !mt->base.bo)
+ return FALSE;
+
+ stride = util_format_get_stride(mt->base.base.format,
+ mt->base.base.width0);
+
+ return nouveau_screen_bo_get_handle(pscreen,
+ mt->base.bo,
+ stride,
+ whandle);
}
-static struct pipe_texture *
-nv50_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt,
- const unsigned *stride, struct pipe_buffer *pb)
+const struct u_resource_vtbl nv50_miptree_vtbl =
+{
+ nv50_miptree_get_handle, /* get_handle */
+ nv50_miptree_destroy, /* resource_destroy */
+ nv50_miptree_transfer_new, /* get_transfer */
+ nv50_miptree_transfer_del, /* transfer_destroy */
+ nv50_miptree_transfer_map, /* transfer_map */
+ u_default_transfer_flush_region, /* transfer_flush_region */
+ nv50_miptree_transfer_unmap, /* transfer_unmap */
+ u_default_transfer_inline_write /* transfer_inline_write */
+};
+
+static INLINE boolean
+nv50_miptree_init_ms_mode(struct nv50_miptree *mt)
{
- struct nouveau_bo *bo = nouveau_bo(pb);
- struct nv50_miptree *mt;
-
- /* Only supports 2D, non-mipmapped textures for the moment */
- if (pt->target != PIPE_TEXTURE_2D || pt->last_level != 0 ||
- pt->depth0 != 1)
- return NULL;
-
- mt = CALLOC_STRUCT(nv50_miptree);
- if (!mt)
- return NULL;
-
- mt->base.base = *pt;
- pipe_reference_init(&mt->base.base.reference, 1);
- mt->base.base.screen = pscreen;
- mt->image_nr = 1;
- mt->level[0].pitch = *stride;
- mt->level[0].image_offset = CALLOC(1, sizeof(unsigned));
- mt->level[0].tile_mode = bo->tile_mode;
-
- nouveau_bo_ref(bo, &mt->base.bo);
- return &mt->base.base;
+ switch (mt->base.base.nr_samples) {
+ case 8:
+ mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS8;
+ mt->ms_x = 2;
+ mt->ms_y = 1;
+ break;
+ case 4:
+ mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS4;
+ mt->ms_x = 1;
+ mt->ms_y = 1;
+ break;
+ case 2:
+ mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS2;
+ mt->ms_x = 1;
+ break;
+ case 1:
+ case 0:
+ mt->ms_mode = NV50_3D_MULTISAMPLE_MODE_MS1;
+ break;
+ default:
+ NOUVEAU_ERR("invalid nr_samples: %u\n", mt->base.base.nr_samples);
+ return FALSE;
+ }
+ return TRUE;
+}
+
+boolean
+nv50_miptree_init_layout_linear(struct nv50_miptree *mt)
+{
+ struct pipe_resource *pt = &mt->base.base;
+
+ if (util_format_is_depth_or_stencil(pt->format))
+ return FALSE;
+
+ if ((pt->last_level > 0) || (pt->depth0 > 1) || (pt->array_size > 1))
+ return FALSE;
+ if (mt->ms_x | mt->ms_y)
+ return FALSE;
+
+ mt->level[0].pitch = align(pt->width0, 64);
+
+ mt->total_size = mt->level[0].pitch * pt->height0;
+
+ return TRUE;
}
static void
-nv50_miptree_destroy(struct pipe_texture *pt)
+nv50_miptree_init_layout_tiled(struct nv50_miptree *mt)
{
- struct nv50_miptree *mt = nv50_miptree(pt);
- unsigned l;
+ struct pipe_resource *pt = &mt->base.base;
+ unsigned w, h, d, l;
+ const unsigned blocksize = util_format_get_blocksize(pt->format);
+
+ mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
+
+ w = pt->width0 << mt->ms_x;
+ h = pt->height0 << mt->ms_y;
+
+ /* For 3D textures, a mipmap is spanned by all the layers, for array
+ * textures and cube maps, each layer contains its own mipmaps.
+ */
+ d = mt->layout_3d ? pt->depth0 : 1;
+
+ for (l = 0; l <= pt->last_level; ++l) {
+ struct nv50_miptree_level *lvl = &mt->level[l];
+ unsigned tsx, tsy, tsz;
+ unsigned nbx = util_format_get_nblocksx(pt->format, w);
+ unsigned nby = util_format_get_nblocksy(pt->format, h);
+
+ lvl->offset = mt->total_size;
+
+ lvl->tile_mode = nv50_tex_choose_tile_dims(nbx, nby, d);
+
+ tsx = NV50_TILE_SIZE_X(lvl->tile_mode); /* x is tile row pitch in bytes */
+ tsy = NV50_TILE_SIZE_Y(lvl->tile_mode);
+ tsz = NV50_TILE_SIZE_Z(lvl->tile_mode);
- for (l = 0; l <= pt->last_level; ++l)
- FREE(mt->level[l].image_offset);
+ lvl->pitch = align(nbx * blocksize, tsx);
- nouveau_bo_ref(NULL, &mt->base.bo);
- FREE(mt);
+ mt->total_size += lvl->pitch * align(nby, tsy) * align(d, tsz);
+
+ w = u_minify(w, 1);
+ h = u_minify(h, 1);
+ d = u_minify(d, 1);
+ }
+
+ if (pt->array_size > 1) {
+ mt->layer_stride = align(mt->total_size,
+ NV50_TILE_SIZE(mt->level[0].tile_mode));
+ mt->total_size = mt->layer_stride * pt->array_size;
+ }
}
-static struct pipe_surface *
-nv50_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
- unsigned face, unsigned level, unsigned zslice,
- unsigned flags)
+struct pipe_resource *
+nv50_miptree_create(struct pipe_screen *pscreen,
+ const struct pipe_resource *templ)
{
- struct nv50_miptree *mt = nv50_miptree(pt);
- struct nv50_miptree_level *lvl = &mt->level[level];
- struct pipe_surface *ps;
- unsigned img = 0;
-
- if (pt->target == PIPE_TEXTURE_CUBE)
- img = face;
-
- ps = CALLOC_STRUCT(pipe_surface);
- if (!ps)
- return NULL;
- pipe_texture_reference(&ps->texture, pt);
- ps->format = pt->format;
- ps->width = u_minify(pt->width0, level);
- ps->height = u_minify(pt->height0, level);
- ps->usage = flags;
- pipe_reference_init(&ps->reference, 1);
- ps->face = face;
- ps->level = level;
- ps->zslice = zslice;
- ps->offset = lvl->image_offset[img];
-
- if (pt->target == PIPE_TEXTURE_3D) {
- unsigned nb_h = util_format_get_nblocksy(pt->format, ps->height);
- ps->offset += get_zslice_offset(lvl->tile_mode, zslice,
- lvl->pitch, nb_h);
- }
-
- return ps;
+ struct nouveau_device *dev = nouveau_screen(pscreen)->device;
+ struct nv50_miptree *mt = CALLOC_STRUCT(nv50_miptree);
+ struct pipe_resource *pt = &mt->base.base;
+ int ret;
+ uint32_t tile_flags;
+
+ if (!mt)
+ return NULL;
+
+ mt->base.vtbl = &nv50_miptree_vtbl;
+ *pt = *templ;
+ pipe_reference_init(&pt->reference, 1);
+ pt->screen = pscreen;
+
+ tile_flags = nv50_mt_choose_storage_type(mt, TRUE);
+
+ if (!nv50_miptree_init_ms_mode(mt)) {
+ FREE(mt);
+ return NULL;
+ }
+
+ if (tile_flags & NOUVEAU_BO_TILE_LAYOUT_MASK) {
+ nv50_miptree_init_layout_tiled(mt);
+ } else
+ if (!nv50_miptree_init_layout_linear(mt)) {
+ FREE(mt);
+ return NULL;
+ }
+
+ ret = nouveau_bo_new_tile(dev, NOUVEAU_BO_VRAM, 4096,
+ mt->total_size,
+ mt->level[0].tile_mode, tile_flags,
+ &mt->base.bo);
+ if (ret) {
+ FREE(mt);
+ return NULL;
+ }
+ mt->base.domain = NOUVEAU_BO_VRAM;
+
+ return pt;
}
-static void
-nv50_miptree_surface_del(struct pipe_surface *ps)
+struct pipe_resource *
+nv50_miptree_from_handle(struct pipe_screen *pscreen,
+ const struct pipe_resource *templ,
+ struct winsys_handle *whandle)
+{
+ struct nv50_miptree *mt;
+ unsigned stride;
+
+ /* only supports 2D, non-mipmapped textures for the moment */
+ if ((templ->target != PIPE_TEXTURE_2D &&
+ templ->target != PIPE_TEXTURE_RECT) ||
+ templ->last_level != 0 ||
+ templ->depth0 != 1 ||
+ templ->array_size > 1)
+ return NULL;
+
+ mt = CALLOC_STRUCT(nv50_miptree);
+ if (!mt)
+ return NULL;
+
+ mt->base.bo = nouveau_screen_bo_from_handle(pscreen, whandle, &stride);
+ if (mt->base.bo == NULL) {
+ FREE(mt);
+ return NULL;
+ }
+
+ mt->base.base = *templ;
+ mt->base.vtbl = &nv50_miptree_vtbl;
+ pipe_reference_init(&mt->base.base.reference, 1);
+ mt->base.base.screen = pscreen;
+ mt->level[0].pitch = stride;
+ mt->level[0].offset = 0;
+ mt->level[0].tile_mode = mt->base.bo->tile_mode;
+
+ /* no need to adjust bo reference count */
+ return &mt->base.base;
+}
+
+
+/* Offset of zslice @z from start of level @l. */
+INLINE unsigned
+nv50_mt_zslice_offset(const struct nv50_miptree *mt, unsigned l, unsigned z)
+{
+ const struct pipe_resource *pt = &mt->base.base;
+
+ unsigned tds = NV50_TILE_SHIFT_Z(mt->level[l].tile_mode);
+ unsigned ths = NV50_TILE_SHIFT_Y(mt->level[l].tile_mode);
+
+ unsigned nby = util_format_get_nblocksy(pt->format,
+ u_minify(pt->height0, l));
+
+ /* to next 2D tile slice within a 3D tile */
+ unsigned stride_2d = NV50_TILE_SIZE_2D(mt->level[l].tile_mode);
+
+ /* to slice in the next (in z direction) 3D tile */
+ unsigned stride_3d = (align(nby, (1 << ths)) * mt->level[l].pitch) << tds;
+
+ return (z & ((1 << tds) - 1)) * stride_2d + (z >> tds) * stride_3d;
+}
+
+/* Surface functions.
+ */
+
+struct nv50_surface *
+nv50_surface_from_miptree(struct nv50_miptree *mt,
+ const struct pipe_surface *templ)
{
- struct nv50_surface *s = nv50_surface(ps);
+ struct pipe_surface *ps;
+ struct nv50_surface *ns = CALLOC_STRUCT(nv50_surface);
+ if (!ns)
+ return NULL;
+ ps = &ns->base;
+
+ pipe_reference_init(&ps->reference, 1);
+ pipe_resource_reference(&ps->texture, &mt->base.base);
+
+ ps->format = templ->format;
+ ps->usage = templ->usage;
+ ps->u.tex.level = templ->u.tex.level;
+ ps->u.tex.first_layer = templ->u.tex.first_layer;
+ ps->u.tex.last_layer = templ->u.tex.last_layer;
+
+ ns->width = u_minify(mt->base.base.width0, ps->u.tex.level);
+ ns->height = u_minify(mt->base.base.height0, ps->u.tex.level);
+ ns->depth = ps->u.tex.last_layer - ps->u.tex.first_layer + 1;
+ ns->offset = mt->level[templ->u.tex.level].offset;
+
+ /* comment says there are going to be removed, but they're used by the st */
+ ps->width = ns->width;
+ ps->height = ns->height;
+
+ ns->width <<= mt->ms_x;
+ ns->height <<= mt->ms_y;
+
+ return ns;
+}
- pipe_texture_reference(&ps->texture, NULL);
- FREE(s);
+struct pipe_surface *
+nv50_miptree_surface_new(struct pipe_context *pipe,
+ struct pipe_resource *pt,
+ const struct pipe_surface *templ)
+{
+ struct nv50_miptree *mt = nv50_miptree(pt);
+ struct nv50_surface *ns = nv50_surface_from_miptree(mt, templ);
+ if (!ns)
+ return NULL;
+ ns->base.context = pipe;
+
+ if (ns->base.u.tex.first_layer) {
+ const unsigned l = ns->base.u.tex.level;
+ const unsigned z = ns->base.u.tex.first_layer;
+
+ if (mt->layout_3d) {
+ ns->offset += nv50_mt_zslice_offset(mt, l, z);
+
+ /* TODO: switch to depth 1 tiles; but actually this shouldn't happen */
+ if (ns->depth > 1 &&
+ (z & (NV50_TILE_SIZE_Z(mt->level[l].tile_mode) - 1)))
+ NOUVEAU_ERR("Creating unsupported 3D surface !\n");
+ } else {
+ ns->offset += mt->layer_stride * z;
+ }
+ }
+
+ return &ns->base;
}
void
-nv50_screen_init_miptree_functions(struct pipe_screen *pscreen)
+nv50_miptree_surface_del(struct pipe_context *pipe, struct pipe_surface *ps)
{
- pscreen->texture_create = nv50_miptree_create;
- pscreen->texture_blanket = nv50_miptree_blanket;
- pscreen->texture_destroy = nv50_miptree_destroy;
- pscreen->get_tex_surface = nv50_miptree_surface_new;
- pscreen->tex_surface_destroy = nv50_miptree_surface_del;
-}
+ struct nv50_surface *s = nv50_surface(ps);
+ pipe_resource_reference(&ps->texture, NULL);
+
+ FREE(s);
+}