blob: aac09d776c7793920458a2ecbf57c5f3ae37c6c7 [file] [log] [blame]
/*
* 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 "util/u_inlines.h"
#include "util/u_format.h"
#include "nvc0_context.h"
#include "nvc0_resource.h"
#include "nvc0_transfer.h"
static INLINE uint32_t
get_tile_dims(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 INLINE unsigned
get_zslice_offset(uint32_t tile_mode, unsigned z, unsigned pitch, unsigned nbh)
{
unsigned tile_h = NVC0_TILE_H(tile_mode);
unsigned tile_d = NVC0_TILE_D(tile_mode);
/* 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(nbh, tile_h) * pitch;
return (z % tile_d) * pitch_2d + (z / tile_d) * pitch_3d;
}
static void
nvc0_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt)
{
struct nvc0_miptree *mt = nvc0_miptree(pt);
unsigned l;
for (l = 0; l <= pt->last_level; ++l)
FREE(mt->level[l].image_offset);
nouveau_screen_bo_release(pscreen, mt->base.bo);
FREE(mt);
}
static boolean
nvc0_miptree_get_handle(struct pipe_screen *pscreen,
struct pipe_resource *pt,
struct winsys_handle *whandle)
{
struct nvc0_miptree *mt = nvc0_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);
}
const struct u_resource_vtbl nvc0_miptree_vtbl =
{
nvc0_miptree_get_handle, /* get_handle */
nvc0_miptree_destroy, /* resource_destroy */
NULL, /* is_resource_referenced */
nvc0_miptree_transfer_new, /* get_transfer */
nvc0_miptree_transfer_del, /* transfer_destroy */
nvc0_miptree_transfer_map, /* transfer_map */
u_default_transfer_flush_region, /* transfer_flush_region */
nvc0_miptree_transfer_unmap, /* transfer_unmap */
u_default_transfer_inline_write /* transfer_inline_write */
};
struct pipe_resource *
nvc0_miptree_create(struct pipe_screen *pscreen,
const struct pipe_resource *templ)
{
struct nouveau_device *dev = nouveau_screen(pscreen)->device;
struct nvc0_miptree *mt = CALLOC_STRUCT(nvc0_miptree);
struct pipe_resource *pt = &mt->base.base;
int ret, i;
unsigned w, h, d, l, image_alignment, alloc_size;
uint32_t tile_flags;
if (!mt)
return NULL;
mt->base.vtbl = &nvc0_miptree_vtbl;
*pt = *templ;
pipe_reference_init(&pt->reference, 1);
pt->screen = pscreen;
w = pt->width0;
h = pt->height0;
d = pt->depth0;
switch (pt->format) {
case PIPE_FORMAT_Z16_UNORM:
tile_flags = 0x070; /* COMPRESSED */
tile_flags = 0x020; /* NORMAL ? */
tile_flags = 0x010; /* NORMAL ? */
break;
case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
tile_flags = 0x530; /* MSAA 4, COMPRESSED */
tile_flags = 0x460; /* NORMAL */
break;
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
tile_flags = 0x110; /* NORMAL */
if (w * h >= 128 * 128 && 0)
tile_flags = 0x170; /* COMPRESSED, requires magic */
break;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
tile_flags = 0xf50; /* COMPRESSED */
tile_flags = 0xf70; /* MSAA 2 */
tile_flags = 0xf90; /* MSAA 4 */
tile_flags = 0xfe0; /* NORMAL */
break;
case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
tile_flags = 0xce0; /* COMPRESSED */
tile_flags = 0xcf0; /* MSAA 2, COMPRESSED */
tile_flags = 0xd00; /* MSAA 4, COMPRESSED */
tile_flags = 0xc30; /* NORMAL */
break;
case PIPE_FORMAT_R16G16B16A16_UNORM:
tile_flags = 0xe90; /* COMPRESSED */
break;
default:
tile_flags = 0xe00; /* MSAA 4, COMPRESSED 32 BIT */
tile_flags = 0xfe0; /* NORMAL 32 BIT */
if (w * h >= 128 * 128 && 0)
tile_flags = 0xdb0; /* COMPRESSED 32 BIT, requires magic */
break;
}
/* XXX: texture arrays */
mt->image_nr = (pt->target == PIPE_TEXTURE_CUBE) ? 6 : 1;
for (l = 0; l <= pt->last_level; l++) {
struct nvc0_miptree_level *lvl = &mt->level[l];
unsigned nby = util_format_get_nblocksy(pt->format, h);
lvl->image_offset = CALLOC(mt->image_nr, sizeof(int));
lvl->pitch = align(util_format_get_stride(pt->format, w), 64);
lvl->tile_mode = get_tile_dims(w, nby, d);
w = u_minify(w, 1);
h = u_minify(h, 1);
d = u_minify(d, 1);
}
image_alignment = NVC0_TILE_H(mt->level[0].tile_mode) * 64;
image_alignment *= NVC0_TILE_D(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 nvc0_miptree_level *lvl = &mt->level[l];
int size;
unsigned tile_h = NVC0_TILE_H(lvl->tile_mode);
unsigned tile_d = NVC0_TILE_D(lvl->tile_mode);
h = u_minify(pt->height0, l);
d = u_minify(pt->depth0, l);
size = lvl->pitch;
size *= align(util_format_get_nblocksy(pt->format, h), tile_h);
size *= align(d, tile_d);
lvl->image_offset[i] = mt->total_size;
mt->total_size += size;
}
mt->total_size = align(mt->total_size, image_alignment);
}
alloc_size = mt->total_size;
if (tile_flags == 0x170)
alloc_size *= 3; /* HiZ, XXX: correct size */
ret = nouveau_bo_new_tile(dev, NOUVEAU_BO_VRAM, 256, alloc_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 pipe_resource *
nvc0_miptree_from_handle(struct pipe_screen *pscreen,
const struct pipe_resource *templ,
struct winsys_handle *whandle)
{
struct nvc0_miptree *mt;
unsigned stride;
/* only supports 2D, non-mip mapped textures for the moment */
if ((templ->target != PIPE_TEXTURE_2D &&
templ->target != PIPE_TEXTURE_RECT) ||
templ->last_level != 0 ||
templ->depth0 != 1)
return NULL;
mt = CALLOC_STRUCT(nvc0_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 = &nvc0_miptree_vtbl;
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 = mt->base.bo->tile_mode;
/* no need to adjust bo reference count */
return &mt->base.base;
}
/* Surface functions.
*/
struct pipe_surface *
nvc0_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_resource *pt,
unsigned face, unsigned level, unsigned zslice,
unsigned flags)
{
struct nvc0_miptree *mt = nvc0_miptree(pt);
struct nvc0_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_resource_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)
ps->offset += get_zslice_offset(lvl->tile_mode, zslice, lvl->pitch,
util_format_get_nblocksy(pt->format,
ps->height));
return ps;
}
void
nvc0_miptree_surface_del(struct pipe_surface *ps)
{
struct nvc0_surface *s = nvc0_surface(ps);
pipe_resource_reference(&ps->texture, NULL);
FREE(s);
}