diff options
Diffstat (limited to 'src/gallium/winsys/amdgpu/drm/amdgpu_surface.c')
| -rw-r--r-- | src/gallium/winsys/amdgpu/drm/amdgpu_surface.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_surface.c b/src/gallium/winsys/amdgpu/drm/amdgpu_surface.c index 52b3fa88336..9f52588c147 100644 --- a/src/gallium/winsys/amdgpu/drm/amdgpu_surface.c +++ b/src/gallium/winsys/amdgpu/drm/amdgpu_surface.c @@ -230,7 +230,9 @@ static int compute_level(struct amdgpu_winsys *ws, surf_level->dcc_offset = 0; surf_level->dcc_enabled = false; - if (AddrSurfInfoIn->flags.dccCompatible) { + /* The previous level's flag tells us if we can use DCC for this level. */ + if (AddrSurfInfoIn->flags.dccCompatible && + (level == 0 || AddrDccOut->subLvlCompressible)) { AddrDccIn->colorSurfSize = AddrSurfInfoOut->surfSize; AddrDccIn->tileMode = AddrSurfInfoOut->tileMode; AddrDccIn->tileInfo = *AddrSurfInfoOut->pTileInfo; @@ -243,14 +245,11 @@ static int compute_level(struct amdgpu_winsys *ws, if (ret == ADDR_OK) { surf_level->dcc_offset = surf->dcc_size; + surf_level->dcc_fast_clear_size = AddrDccOut->dccFastClearSize; surf_level->dcc_enabled = true; surf->dcc_size = surf_level->dcc_offset + AddrDccOut->dccRamSize; surf->dcc_alignment = MAX2(surf->dcc_alignment, AddrDccOut->dccRamBaseAlign); - } else { - surf->dcc_size = 0; } - } else { - surf->dcc_size = 0; } return 0; @@ -344,11 +343,19 @@ static int amdgpu_surface_init(struct radeon_winsys *rws, AddrSurfInfoIn.flags.display = (surf->flags & RADEON_SURF_SCANOUT) != 0; AddrSurfInfoIn.flags.pow2Pad = surf->last_level > 0; AddrSurfInfoIn.flags.degrade4Space = 1; + + /* DCC notes: + * - If we add MSAA support, keep in mind that CB can't decompress 8bpp + * with samples >= 4. + * - Mipmapped array textures have low performance (discovered by a closed + * driver team). + */ AddrSurfInfoIn.flags.dccCompatible = !(surf->flags & RADEON_SURF_Z_OR_SBUFFER) && !(surf->flags & RADEON_SURF_SCANOUT) && !(surf->flags & RADEON_SURF_DISABLE_DCC) && !compressed && AddrDccIn.numSamples <= 1 && - surf->last_level == 0; + ((surf->array_size == 1 && surf->npix_z == 1) || + surf->last_level == 0); AddrSurfInfoIn.flags.noStencil = (surf->flags & RADEON_SURF_SBUFFER) == 0; AddrSurfInfoIn.flags.compressZ = AddrSurfInfoIn.flags.depth; @@ -445,6 +452,16 @@ static int amdgpu_surface_init(struct radeon_winsys *rws, } } + /* Recalculate the whole DCC miptree size including disabled levels. + * This is what addrlib does, but calling addrlib would be a lot more + * complicated. + */ + if (surf->dcc_size && surf->last_level > 0) { + surf->dcc_size = align64(surf->bo_size >> 8, + ws->info.pipe_interleave_bytes * + ws->info.num_tile_pipes); + } + return 0; } |