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* Copyright (C) 2018 Rob Clark <robclark@freedesktop.org>
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* Copyright © 2018-2019 Google, Inc.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* Rob Clark <robclark@freedesktop.org>
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#include "freedreno_layout.h"
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fdl5_layout(struct fdl_layout *layout, enum pipe_format format,
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uint32_t nr_samples, uint32_t width0, uint32_t height0,
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uint32_t depth0, uint32_t mip_levels, uint32_t array_size,
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assert(nr_samples > 0);
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layout->width0 = width0;
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layout->height0 = height0;
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layout->depth0 = depth0;
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layout->cpp = util_format_get_blocksize(format);
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layout->cpp *= nr_samples;
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layout->cpp_shift = ffs(layout->cpp) - 1;
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layout->format = format;
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layout->nr_samples = nr_samples;
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layout->layer_first = !is_3d;
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uint32_t heightalign = layout->cpp == 1 ? 32 : 16;
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/* in layer_first layout, the level (slice) contains just one
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* layer (since in fact the layer contains the slices)
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uint32_t layers_in_level = layout->layer_first ? 1 : array_size;
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/* use 128 pixel alignment for cpp=1 and cpp=2 */
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if (layout->cpp < 4 && layout->tile_mode)
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fdl_set_pitchalign(layout, fdl_cpp_shift(layout) + 7);
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fdl_set_pitchalign(layout, fdl_cpp_shift(layout) + 6);
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for (uint32_t level = 0; level < mip_levels; level++) {
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uint32_t depth = u_minify(depth0, level);
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struct fdl_slice *slice = &layout->slices[level];
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uint32_t tile_mode = fdl_tile_mode(layout, level);
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uint32_t pitch = fdl_pitch(layout, level);
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util_format_get_nblocksy(format, u_minify(height0, level));
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nblocksy = align(nblocksy, heightalign);
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/* The blits used for mem<->gmem work at a granularity of
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* 32x32, which can cause faults due to over-fetch on the
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* last level. The simple solution is to over-allocate a
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* bit the last level to ensure any over-fetch is harmless.
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* The pitch is already sufficiently aligned, but height
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if (level == mip_levels - 1)
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nblocksy = align(nblocksy, 32);
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slice->offset = layout->size;
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/* 1d array and 2d array textures must all have the same layer size
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* for each miplevel on a3xx. 3d textures can have different layer
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* sizes for high levels, but the hw auto-sizer is buggy (or at least
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* different than what this code does), so as soon as the layer size
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* range gets into range, we stop reducing it.
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if (level <= 1 || layout->slices[level - 1].size0 > 0xf000) {
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slice->size0 = align(nblocksy * pitch, 4096);
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slice->size0 = layout->slices[level - 1].size0;
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slice->size0 = nblocksy * pitch;
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layout->size += slice->size0 * depth * layers_in_level;
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if (layout->layer_first) {
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layout->layer_size = align(layout->size, 4096);
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layout->size = layout->layer_size * array_size;