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radeon: Fix 1D tiling layout on SI. 

Very similar to Evergreen, but slightly different rules for tile / slice
alignment. Fortunately, these map quite naturally onto the previous fixes for
linear aligned layout on SI.

2D tiling still needs more work here and possibly in the kernel.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
main
Michel Dänzer 2013-01-17 19:03:42 +01:00 committed by Michel Dänzer
parent 08cb5c1d02
commit 303ca37e72
1 changed files with 88 additions and 23 deletions
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111
radeon/radeon_surface.c
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@ -1000,25 +1000,28 @@ static int eg_surface_best(struct radeon_surface_manager *surf_man,
* Southern Islands family
*/
static void si_surf_minify_linear_aligned(struct radeon_surface *surf,
unsigned level,
uint32_t xalign, uint32_t yalign, uint32_t zalign, uint32_t slice_align,
unsigned offset)
static void si_surf_minify(struct radeon_surface *surf,
struct radeon_surface_level *surflevel,
unsigned bpe, unsigned level,
uint32_t xalign, uint32_t yalign, uint32_t zalign, uint32_t slice_align,
unsigned offset)
{
surf->level[level].npix_x = mip_minify(surf->npix_x, level);
surf->level[level].npix_y = mip_minify(surf->npix_y, level);
surf->level[level].npix_z = mip_minify(surf->npix_z, level);
surflevel->npix_x = mip_minify(surf->npix_x, level);
surflevel->npix_y = mip_minify(surf->npix_y, level);
surflevel->npix_z = mip_minify(surf->npix_z, level);
if (level == 0 && surf->last_level > 0) {
surf->level[level].nblk_x = (next_power_of_two(surf->level[level].npix_x) + surf->blk_w - 1) / surf->blk_w;
surf->level[level].nblk_y = (next_power_of_two(surf->level[level].npix_y) + surf->blk_h - 1) / surf->blk_h;
surf->level[level].nblk_z = (next_power_of_two(surf->level[level].npix_z) + surf->blk_d - 1) / surf->blk_d;
surflevel->nblk_x = (next_power_of_two(surflevel->npix_x) + surf->blk_w - 1) / surf->blk_w;
surflevel->nblk_y = (next_power_of_two(surflevel->npix_y) + surf->blk_h - 1) / surf->blk_h;
surflevel->nblk_z = (next_power_of_two(surflevel->npix_z) + surf->blk_d - 1) / surf->blk_d;
} else {
surf->level[level].nblk_x = (surf->level[level].npix_x + surf->blk_w - 1) / surf->blk_w;
surf->level[level].nblk_y = (surf->level[level].npix_y + surf->blk_h - 1) / surf->blk_h;
surf->level[level].nblk_z = (surf->level[level].npix_z + surf->blk_d - 1) / surf->blk_d;
surflevel->nblk_x = (surflevel->npix_x + surf->blk_w - 1) / surf->blk_w;
surflevel->nblk_y = (surflevel->npix_y + surf->blk_h - 1) / surf->blk_h;
surflevel->nblk_z = (surflevel->npix_z + surf->blk_d - 1) / surf->blk_d;
}
surflevel->nblk_y = ALIGN(surflevel->nblk_y, yalign);
/* XXX: Texture sampling uses unexpectedly large pitches in some cases,
* these are just guesses for the rules behind those
*/
@ -1027,17 +1030,16 @@ static void si_surf_minify_linear_aligned(struct radeon_surface *surf,
xalign = MAX2(xalign, slice_align / surf->bpe);
else
/* Small rows evenly distributed across slice */
xalign = MAX2(xalign, slice_align / surf->bpe / surf->level[level].npix_y);
xalign = MAX2(xalign, slice_align / surf->bpe / surflevel->nblk_y);
surf->level[level].nblk_x = ALIGN(surf->level[level].nblk_x, xalign);
surf->level[level].nblk_y = ALIGN(surf->level[level].nblk_y, yalign);
surf->level[level].nblk_z = ALIGN(surf->level[level].nblk_z, zalign);
surflevel->nblk_x = ALIGN(surflevel->nblk_x, xalign);
surflevel->nblk_z = ALIGN(surflevel->nblk_z, zalign);
surf->level[level].offset = offset;
surf->level[level].pitch_bytes = surf->level[level].nblk_x * surf->bpe * surf->nsamples;
surf->level[level].slice_size = ALIGN(surf->level[level].pitch_bytes * surf->level[level].nblk_y, slice_align);
surflevel->offset = offset;
surflevel->pitch_bytes = surflevel->nblk_x * surf->bpe * surf->nsamples;
surflevel->slice_size = ALIGN(surflevel->pitch_bytes * surflevel->nblk_y, slice_align);
surf->bo_size = offset + surf->level[level].slice_size * surf->level[level].nblk_z * surf->array_size;
surf->bo_size = offset + surflevel->slice_size * surflevel->nblk_z * surf->array_size;
}
static int si_surface_init_linear_aligned(struct radeon_surface_manager *surf_man,
@ -1059,7 +1061,8 @@ static int si_surface_init_linear_aligned(struct radeon_surface_manager *surf_ma
/* build mipmap tree */
for (i = start_level; i <= surf->last_level; i++) {
surf->level[i].mode = RADEON_SURF_MODE_LINEAR_ALIGNED;
si_surf_minify_linear_aligned(surf, i, xalign, yalign, zalign, slice_align, offset);
si_surf_minify(surf, surf->level+i, surf->bpe, i, xalign, yalign,
zalign, slice_align, offset);
/* level0 and first mipmap need to have alignment */
offset = surf->bo_size;
if ((i == 0)) {
@ -1069,6 +1072,68 @@ static int si_surface_init_linear_aligned(struct radeon_surface_manager *surf_ma
return 0;
}
static int si_surface_init_1d(struct radeon_surface_manager *surf_man,
struct radeon_surface *surf,
struct radeon_surface_level *level,
unsigned bpe,
uint64_t offset, unsigned start_level)
{
uint32_t xalign, yalign, zalign, slice_align;
unsigned i;
/* compute alignment */
xalign = 8;
yalign = 8;
zalign = 1;
slice_align = surf_man->hw_info.group_bytes;
if (surf->flags & RADEON_SURF_SCANOUT) {
xalign = MAX2((bpe == 1) ? 64 : 32, xalign);
}
if (!start_level) {
unsigned alignment = MAX2(256, surf_man->hw_info.group_bytes);
surf->bo_alignment = MAX2(surf->bo_alignment, alignment);
if (offset) {
offset = ALIGN(offset, alignment);
}
}
/* build mipmap tree */
for (i = start_level; i <= surf->last_level; i++) {
level[i].mode = RADEON_SURF_MODE_1D;
si_surf_minify(surf, level+i, bpe, i, xalign, yalign, zalign, slice_align, offset);
/* level0 and first mipmap need to have alignment */
offset = surf->bo_size;
if ((i == 0)) {
offset = ALIGN(offset, surf->bo_alignment);
}
}
return 0;
}
static int si_surface_init_1d_miptrees(struct radeon_surface_manager *surf_man,
struct radeon_surface *surf)
{
unsigned zs_flags = RADEON_SURF_ZBUFFER | RADEON_SURF_SBUFFER;
int r, is_depth_stencil = (surf->flags & zs_flags) == zs_flags;
/* Old libdrm headers didn't have stencil_level in it. This prevents crashes. */
struct radeon_surface_level tmp[RADEON_SURF_MAX_LEVEL];
struct radeon_surface_level *stencil_level =
(surf->flags & RADEON_SURF_HAS_SBUFFER_MIPTREE) ? surf->stencil_level : tmp;
r = si_surface_init_1d(surf_man, surf, surf->level, surf->bpe, 0, 0);
if (r)
return r;
if (is_depth_stencil) {
r = si_surface_init_1d(surf_man, surf, stencil_level, 1,
surf->bo_size, 0);
surf->stencil_offset = stencil_level[0].offset;
}
return r;
}
static int si_surface_init(struct radeon_surface_manager *surf_man,
struct radeon_surface *surf)
{
@ -1115,7 +1180,7 @@ static int si_surface_init(struct radeon_surface_manager *surf_man,
r = si_surface_init_linear_aligned(surf_man, surf, 0, 0);
break;
case RADEON_SURF_MODE_1D:
r = eg_surface_init_1d_miptrees(surf_man, surf);
r = si_surface_init_1d_miptrees(surf_man, surf);
break;
case RADEON_SURF_MODE_2D:
r = eg_surface_init_2d_miptrees(surf_man, surf);