--- /dev/null
+/*
+ * 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 OR COPYRIGHT HOLDERS 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 "util/u_inlines.h"
+#include "util/u_format.h"
+
+#include "nv50/nv50_context.h"
+#include "nv50/nv50_resource.h"
+
+uint32_t
+nv50_tex_choose_tile_dims_helper(unsigned nx, unsigned ny, unsigned nz)
+{
+ uint32_t tile_mode = 0x000;
+
+ if (ny > 64) tile_mode = 0x040; /* height 128 tiles */
+ else
+ if (ny > 32) tile_mode = 0x030; /* height 64 tiles */
+ else
+ if (ny > 16) tile_mode = 0x020; /* height 32 tiles */
+ else
+ if (ny > 8) tile_mode = 0x010; /* height 16 tiles */
+
+ if (nz == 1)
+ return tile_mode;
+ else
+ if (tile_mode > 0x020)
+ tile_mode = 0x020;
+
+ if (nz > 16 && tile_mode < 0x020)
+ return tile_mode | 0x500; /* depth 32 tiles */
+ if (nz > 8) return tile_mode | 0x400; /* depth 16 tiles */
+ if (nz > 4) return tile_mode | 0x300; /* depth 8 tiles */
+ if (nz > 2) return tile_mode | 0x200; /* depth 4 tiles */
+
+ return tile_mode | 0x100;
+}
+
+static uint32_t
+nv50_tex_choose_tile_dims(unsigned nx, unsigned ny, unsigned nz)
+{
+ return nv50_tex_choose_tile_dims_helper(nx, ny * 2, nz);
+}
+
+static uint32_t
+nv50_mt_choose_storage_type(struct nv50_miptree *mt, boolean compressed)
+{
+ const unsigned ms = mt->ms_x + mt->ms_y;
+
+ uint32_t tile_flags;
+
+ if (unlikely(mt->base.base.flags & NOUVEAU_RESOURCE_FLAG_LINEAR))
+ return 0;
+ if (unlikely(mt->base.base.bind & PIPE_BIND_CURSOR))
+ return 0;
+
+ switch (mt->base.base.format) {
+ case PIPE_FORMAT_Z16_UNORM:
+ tile_flags = 0x6c + ms;
+ break;
+ case PIPE_FORMAT_S8_UINT_Z24_UNORM:
+ tile_flags = 0x18 + ms;
+ break;
+ case PIPE_FORMAT_Z24X8_UNORM:
+ case PIPE_FORMAT_Z24_UNORM_S8_UINT:
+ tile_flags = 0x128 + ms;
+ break;
+ case PIPE_FORMAT_Z32_FLOAT:
+ tile_flags = 0x40 + ms;
+ break;
+ case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
+ tile_flags = 0x60 + ms;
+ break;
+ default:
+ switch (util_format_get_blocksizebits(mt->base.base.format)) {
+ case 128:
+ assert(ms < 3);
+ tile_flags = 0x74;
+ break;
+ case 64:
+ switch (ms) {
+ case 2: tile_flags = 0xfc; break;
+ case 3: tile_flags = 0xfd; break;
+ default:
+ tile_flags = 0x70;
+ break;
+ }
+ break;
+ case 32:
+ if (mt->base.base.bind & PIPE_BIND_SCANOUT) {
+ assert(ms == 0);
+ tile_flags = 0x7a;
+ } else {
+ switch (ms) {
+ case 2: tile_flags = 0xf8; break;
+ case 3: tile_flags = 0xf9; break;
+ default:
+ tile_flags = 0x70;
+ break;
+ }
+ }
+ break;
+ case 16:
+ case 8:
+ tile_flags = 0x70;
+ break;
+ default:
+ return 0;
+ }
+ if (mt->base.base.bind & PIPE_BIND_CURSOR)
+ tile_flags = 0;
+ }
+
+ if (!compressed)
+ tile_flags &= ~0x180;
+
+ return tile_flags;
+}
+
+void
+nv50_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt)
+{
+ struct nv50_miptree *mt = nv50_miptree(pt);
+
+ nouveau_bo_ref(NULL, &mt->base.bo);
+
+ nouveau_fence_ref(NULL, &mt->base.fence);
+ nouveau_fence_ref(NULL, &mt->base.fence_wr);
+
+ NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_count, -1);
+ NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_bytes,
+ -(uint64_t)mt->total_size);
+
+ FREE(mt);
+}
+
+boolean
+nv50_miptree_get_handle(struct pipe_screen *pscreen,
+ struct pipe_resource *pt,
+ struct winsys_handle *whandle)
+{
+ struct nv50_miptree *mt = nv50_miptree(pt);
+ unsigned stride;
+
+ if (!mt || !mt->base.bo)
+ return FALSE;
+
+ stride = mt->level[0].pitch;
+
+ return nouveau_screen_bo_get_handle(pscreen,
+ mt->base.bo,
+ stride,
+ whandle);
+}
+
+const struct u_resource_vtbl nv50_miptree_vtbl =
+{
+ nv50_miptree_get_handle, /* get_handle */
+ nv50_miptree_destroy, /* resource_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)
+{
+ 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, unsigned pitch_align)
+{
+ struct pipe_resource *pt = &mt->base.base;
+ const unsigned blocksize = util_format_get_blocksize(pt->format);
+ unsigned h = pt->height0;
+
+ 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 * blocksize, pitch_align);
+
+ /* Account for very generous prefetch (allocate size as if tiled). */
+ h = MAX2(h, 8);
+ h = util_next_power_of_two(h);
+
+ mt->total_size = mt->level[0].pitch * h;
+
+ return TRUE;
+}
+
+static void
+nv50_miptree_init_layout_video(struct nv50_miptree *mt)
+{
+ const struct pipe_resource *pt = &mt->base.base;
+ const unsigned blocksize = util_format_get_blocksize(pt->format);
+
+ assert(pt->last_level == 0);
+ assert(mt->ms_x == 0 && mt->ms_y == 0);
+ assert(!util_format_is_compressed(pt->format));
+
+ mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
+
+ mt->level[0].tile_mode = 0x20;
+ mt->level[0].pitch = align(pt->width0 * blocksize, 64);
+ mt->total_size = align(pt->height0, 16) * mt->level[0].pitch * (mt->layout_3d ? pt->depth0 : 1);
+
+ if (pt->array_size > 1) {
+ mt->layer_stride = align(mt->total_size, NV50_TILE_SIZE(0x20));
+ mt->total_size = mt->layer_stride * pt->array_size;
+ }
+}
+
+static void
+nv50_miptree_init_layout_tiled(struct nv50_miptree *mt)
+{
+ 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);
+
+ lvl->pitch = align(nbx * blocksize, tsx);
+
+ 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;
+ }
+}
+
+struct pipe_resource *
+nv50_miptree_create(struct pipe_screen *pscreen,
+ const struct pipe_resource *templ)
+{
+ 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;
+ union nouveau_bo_config bo_config;
+ uint32_t bo_flags;
+
+ if (!mt)
+ return NULL;
+
+ mt->base.vtbl = &nv50_miptree_vtbl;
+ *pt = *templ;
+ pipe_reference_init(&pt->reference, 1);
+ pt->screen = pscreen;
+
+ if (pt->bind & PIPE_BIND_LINEAR)
+ pt->flags |= NOUVEAU_RESOURCE_FLAG_LINEAR;
+
+ bo_config.nv50.memtype = nv50_mt_choose_storage_type(mt, TRUE);
+
+ if (!nv50_miptree_init_ms_mode(mt)) {
+ FREE(mt);
+ return NULL;
+ }
+
+ if (unlikely(pt->flags & NV50_RESOURCE_FLAG_VIDEO)) {
+ nv50_miptree_init_layout_video(mt);
+ if (pt->flags & NV50_RESOURCE_FLAG_NOALLOC) {
+ /* BO allocation done by client */
+ return pt;
+ }
+ } else
+ if (bo_config.nv50.memtype != 0) {
+ nv50_miptree_init_layout_tiled(mt);
+ } else
+ if (!nv50_miptree_init_layout_linear(mt, 64)) {
+ FREE(mt);
+ return NULL;
+ }
+ bo_config.nv50.tile_mode = mt->level[0].tile_mode;
+
+ bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_NOSNOOP;
+ if (mt->base.base.bind & (PIPE_BIND_CURSOR | PIPE_BIND_DISPLAY_TARGET))
+ bo_flags |= NOUVEAU_BO_CONTIG;
+
+ ret = nouveau_bo_new(dev, bo_flags, 4096, mt->total_size, &bo_config,
+ &mt->base.bo);
+ if (ret) {
+ FREE(mt);
+ return NULL;
+ }
+ mt->base.domain = NOUVEAU_BO_VRAM;
+ mt->base.address = mt->base.bo->offset;
+
+ return pt;
+}
+
+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.domain = NOUVEAU_BO_VRAM;
+ mt->base.address = mt->base.bo->offset;
+
+ 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->config.nv50.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 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->writable = templ->writable;
+ 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;
+}
+
+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;
+}
projects / mesa.git / blobdiff