/*
* 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,
boolean is_3d)
{
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 (!is_3d)
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 */
if (nz > 1) return tile_mode | 0x100; /* depth 2 tiles */
return tile_mode;
}
static uint32_t
nv50_tex_choose_tile_dims(unsigned nx, unsigned ny, unsigned nz, boolean is_3d)
{
return nv50_tex_choose_tile_dims_helper(nx, ny * 2, nz, is_3d);
}
static uint32_t
nv50_mt_choose_storage_type(struct nv50_miptree *mt, boolean compressed)
{
const unsigned ms = util_logbase2(mt->base.base.nr_samples);
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_X8Z24_UNORM:
case PIPE_FORMAT_S8X24_UINT:
case PIPE_FORMAT_S8_UINT_Z24_UNORM:
tile_flags = 0x18 + ms;
break;
case PIPE_FORMAT_X24S8_UINT:
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_X32_S8X24_UINT:
case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
tile_flags = 0x60 + ms;
break;
default:
/* Most color formats don't work with compression. */
compressed = false;
/* fallthrough */
case PIPE_FORMAT_R8G8B8A8_UNORM:
case PIPE_FORMAT_R8G8B8A8_SRGB:
case PIPE_FORMAT_R8G8B8X8_UNORM:
case PIPE_FORMAT_R8G8B8X8_SRGB:
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_B8G8R8A8_SRGB:
case PIPE_FORMAT_B8G8R8X8_UNORM:
case PIPE_FORMAT_B8G8R8X8_SRGB:
case PIPE_FORMAT_R10G10B10A2_UNORM:
case PIPE_FORMAT_B10G10R10A2_UNORM:
case PIPE_FORMAT_R16G16B16A16_FLOAT:
case PIPE_FORMAT_R16G16B16X16_FLOAT:
case PIPE_FORMAT_R11G11B10_FLOAT:
switch (util_format_get_blocksizebits(mt->base.base.format)) {
case 128:
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) {
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(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, mt->layout_3d);
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;
boolean compressed = dev->drm_version >= 0x01000101;
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, compressed);
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;
if (!bo_config.nv50.memtype && (pt->bind & PIPE_BIND_SHARED))
mt->base.domain = NOUVEAU_BO_GART;
else
mt->base.domain = NOUVEAU_BO_VRAM;
bo_flags = mt->base.domain | 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.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;
NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_count, 1);
/* 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;
}