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authorK. S. Ernest (iFire) Lee <ernest.lee@chibifire.com>2022-03-24 12:39:24 -0700
committerK. S. Ernest (iFire) Lee <ernest.lee@chibifire.com>2022-03-24 22:41:23 -0700
commit3529141b4bf548218f70a713b4328220a566802d (patch)
treea9e0ba416efc19eda40193522f52659feb865256 /thirdparty/basis_universal/transcoder/basisu_global_selector_palette.h
parentd250f12243a74fd36905f46b983e3c142e3b2e67 (diff)
downloadredot-engine-3529141b4bf548218f70a713b4328220a566802d.tar.gz
Update basis universal to version 1.16.3.
Enable basis universal uastc internal storage instead of etc1s for better quality.
Diffstat (limited to 'thirdparty/basis_universal/transcoder/basisu_global_selector_palette.h')
-rw-r--r--thirdparty/basis_universal/transcoder/basisu_global_selector_palette.h675
1 files changed, 0 insertions, 675 deletions
diff --git a/thirdparty/basis_universal/transcoder/basisu_global_selector_palette.h b/thirdparty/basis_universal/transcoder/basisu_global_selector_palette.h
deleted file mode 100644
index 8bedf94710..0000000000
--- a/thirdparty/basis_universal/transcoder/basisu_global_selector_palette.h
+++ /dev/null
@@ -1,675 +0,0 @@
-// basisu_global_selector_palette.h
-// Copyright (C) 2019-2021 Binomial LLC. All Rights Reserved.
-//
-// TODO: NONE of this is used in .basis/.ktx2 files. It will be deleted soon.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-#pragma once
-#include "basisu_transcoder_internal.h"
-#include <algorithm>
-
-namespace basist
-{
- class etc1_global_palette_entry_modifier
- {
- public:
- enum { cTotalBits = 15, cTotalValues = 1 << cTotalBits };
-
- etc1_global_palette_entry_modifier(uint32_t index = 0)
- {
-#ifdef _DEBUG
- static bool s_tested;
- if (!s_tested)
- {
- s_tested = true;
- for (uint32_t i = 0; i < cTotalValues; i++)
- {
- etc1_global_palette_entry_modifier m(i);
- etc1_global_palette_entry_modifier n = m;
-
- assert(n.get_index() == i);
- }
- }
-#endif
-
- set_index(index);
- }
-
- void set_index(uint32_t index)
- {
- assert(index < cTotalValues);
- m_rot = index & 3;
- m_flip = (index >> 2) & 1;
- m_inv = (index >> 3) & 1;
- m_contrast = (index >> 4) & 3;
- m_shift = (index >> 6) & 1;
- m_median = (index >> 7) & 1;
- m_div = (index >> 8) & 1;
- m_rand = (index >> 9) & 1;
- m_dilate = (index >> 10) & 1;
- m_shift_x = (index >> 11) & 1;
- m_shift_y = (index >> 12) & 1;
- m_erode = (index >> 13) & 1;
- m_high_pass = (index >> 14) & 1;
- }
-
- uint32_t get_index() const
- {
- return m_rot | (m_flip << 2) | (m_inv << 3) | (m_contrast << 4) | (m_shift << 6) | (m_median << 7) | (m_div << 8) | (m_rand << 9) | (m_dilate << 10) | (m_shift_x << 11) | (m_shift_y << 12) | (m_erode << 13) | (m_high_pass << 14);
- }
-
- void clear()
- {
- basisu::clear_obj(*this);
- }
-
- uint8_t m_contrast;
- bool m_rand;
- bool m_median;
- bool m_div;
- bool m_shift;
- bool m_inv;
- bool m_flip;
- bool m_dilate;
- bool m_shift_x;
- bool m_shift_y;
- bool m_erode;
- bool m_high_pass;
- uint8_t m_rot;
- };
-
- enum modifier_types
- {
- cModifierContrast,
- cModifierRand,
- cModifierMedian,
- cModifierDiv,
- cModifierShift,
- cModifierInv,
- cModifierFlippedAndRotated,
- cModifierDilate,
- cModifierShiftX,
- cModifierShiftY,
- cModifierErode,
- cModifierHighPass,
- cTotalModifiers
- };
-
-#define ETC1_GLOBAL_SELECTOR_CODEBOOK_MAX_MOD_BITS (etc1_global_palette_entry_modifier::cTotalBits)
-
- struct etc1_selector_palette_entry
- {
- etc1_selector_palette_entry()
- {
- clear();
- }
-
- void clear()
- {
- basisu::clear_obj(*this);
- }
-
- uint8_t operator[] (uint32_t i) const { assert(i < 16); return m_selectors[i]; }
- uint8_t&operator[] (uint32_t i) { assert(i < 16); return m_selectors[i]; }
-
- void set_uint32(uint32_t v)
- {
- for (uint32_t byte_index = 0; byte_index < 4; byte_index++)
- {
- uint32_t b = (v >> (byte_index * 8)) & 0xFF;
-
- m_selectors[byte_index * 4 + 0] = b & 3;
- m_selectors[byte_index * 4 + 1] = (b >> 2) & 3;
- m_selectors[byte_index * 4 + 2] = (b >> 4) & 3;
- m_selectors[byte_index * 4 + 3] = (b >> 6) & 3;
- }
- }
-
- uint32_t get_uint32() const
- {
- return get_byte(0) | (get_byte(1) << 8) | (get_byte(2) << 16) | (get_byte(3) << 24);
- }
-
- uint32_t get_byte(uint32_t byte_index) const
- {
- assert(byte_index < 4);
-
- return m_selectors[byte_index * 4 + 0] |
- (m_selectors[byte_index * 4 + 1] << 2) |
- (m_selectors[byte_index * 4 + 2] << 4) |
- (m_selectors[byte_index * 4 + 3] << 6);
- }
-
- uint8_t operator()(uint32_t x, uint32_t y) const { assert((x < 4) && (y < 4)); return m_selectors[x + y * 4]; }
- uint8_t&operator()(uint32_t x, uint32_t y) { assert((x < 4) && (y < 4)); return m_selectors[x + y * 4]; }
-
- uint32_t calc_distance(const etc1_selector_palette_entry &other) const
- {
- uint32_t dist = 0;
- for (uint32_t i = 0; i < 8; i++)
- {
- int delta = static_cast<int>(m_selectors[i]) - static_cast<int>(other.m_selectors[i]);
- dist += delta * delta;
- }
- return dist;
- }
-
-#if 0
- uint32_t calc_hamming_dist(const etc1_selector_palette_entry &other) const
- {
- uint32_t dist = 0;
- for (uint32_t i = 0; i < 4; i++)
- dist += g_hamming_dist[get_byte(i) ^ other.get_byte(i)];
- return dist;
- }
-#endif
-
- etc1_selector_palette_entry get_inverted() const
- {
- etc1_selector_palette_entry result;
-
- for (uint32_t i = 0; i < 16; i++)
- result.m_selectors[i] = 3 - m_selectors[i];
-
- return result;
- }
-
- etc1_selector_palette_entry get_divided() const
- {
- etc1_selector_palette_entry result;
-
- const uint8_t div_selector[4] = { 2, 0, 3, 1 };
-
- for (uint32_t i = 0; i < 16; i++)
- result.m_selectors[i] = div_selector[m_selectors[i]];
-
- return result;
- }
-
- etc1_selector_palette_entry get_shifted(int delta) const
- {
- etc1_selector_palette_entry result;
-
- for (uint32_t i = 0; i < 16; i++)
- result.m_selectors[i] = static_cast<uint8_t>(basisu::clamp<int>(m_selectors[i] + delta, 0, 3));
-
- return result;
- }
-
- etc1_selector_palette_entry get_randomized() const
- {
- uint32_t seed = get_uint32();
-
- etc1_selector_palette_entry result;
-
- for (uint32_t y = 0; y < 4; y++)
- {
- for (uint32_t x = 0; x < 4; x++)
- {
- int s = (*this)(x, y);
-
- // between 0 and 10
- uint32_t i = basisd_urand(seed, 6) + basisd_urand(seed, 6);
- if (i == 0)
- s -= 2;
- else if (i == 10)
- s += 2;
- else if (i < 3)
- s -= 1;
- else if (i > 7)
- s += 1;
-
- result(x, y) = static_cast<uint8_t>(basisu::clamp<int>(s, 0, 3));
- }
- }
-
- return result;
- }
-
- etc1_selector_palette_entry get_contrast(int table_index) const
- {
- assert(table_index < 4);
-
- etc1_selector_palette_entry result;
-
- static const uint8_t s_contrast_tables[4][4] =
- {
- { 0, 1, 2, 3 }, // not used
- { 0, 0, 3, 3 },
- { 1, 1, 2, 2 },
- { 1, 1, 3, 3 }
- };
-
- for (uint32_t i = 0; i < 16; i++)
- {
- result[i] = s_contrast_tables[table_index][(*this)[i]];
- }
-
- return result;
- }
-
- etc1_selector_palette_entry get_dilated() const
- {
- etc1_selector_palette_entry result;
-
- for (uint32_t y = 0; y < 4; y++)
- {
- for (uint32_t x = 0; x < 4; x++)
- {
- uint32_t max_selector = 0;
-
- for (int yd = -1; yd <= 1; yd++)
- {
- int fy = y + yd;
- if ((fy < 0) || (fy > 3))
- continue;
-
- for (int xd = -1; xd <= 1; xd++)
- {
- int fx = x + xd;
- if ((fx < 0) || (fx > 3))
- continue;
-
- max_selector = basisu::maximum<uint32_t>(max_selector, (*this)(fx, fy));
- }
- }
-
- result(x, y) = static_cast<uint8_t>(max_selector);
- }
- }
-
- return result;
- }
-
- etc1_selector_palette_entry get_eroded() const
- {
- etc1_selector_palette_entry result;
-
- for (uint32_t y = 0; y < 4; y++)
- {
- for (uint32_t x = 0; x < 4; x++)
- {
- uint32_t min_selector = 99;
-
- for (int yd = -1; yd <= 1; yd++)
- {
- int fy = y + yd;
- if ((fy < 0) || (fy > 3))
- continue;
-
- for (int xd = -1; xd <= 1; xd++)
- {
- int fx = x + xd;
- if ((fx < 0) || (fx > 3))
- continue;
-
- min_selector = basisu::minimum<uint32_t>(min_selector, (*this)(fx, fy));
- }
- }
-
- result(x, y) = static_cast<uint8_t>(min_selector);
- }
- }
-
- return result;
- }
-
- etc1_selector_palette_entry get_shift_x() const
- {
- etc1_selector_palette_entry result;
-
- for (uint32_t y = 0; y < 4; y++)
- {
- for (uint32_t x = 0; x < 4; x++)
- {
- int sx = x - 1;
- if (sx < 0)
- sx = 0;
-
- result(x, y) = (*this)(sx, y);
- }
- }
-
- return result;
- }
-
- etc1_selector_palette_entry get_shift_y() const
- {
- etc1_selector_palette_entry result;
-
- for (uint32_t y = 0; y < 4; y++)
- {
- int sy = y - 1;
- if (sy < 0)
- sy = 3;
-
- for (uint32_t x = 0; x < 4; x++)
- result(x, y) = (*this)(x, sy);
- }
-
- return result;
- }
-
- etc1_selector_palette_entry get_median() const
- {
- etc1_selector_palette_entry result;
-
- for (uint32_t y = 0; y < 4; y++)
- {
- for (uint32_t x = 0; x < 4; x++)
- {
- // ABC
- // D F
- // GHI
-
- uint8_t selectors[8];
- uint32_t n = 0;
-
- for (int yd = -1; yd <= 1; yd++)
- {
- int fy = y + yd;
- if ((fy < 0) || (fy > 3))
- continue;
-
- for (int xd = -1; xd <= 1; xd++)
- {
- if ((xd | yd) == 0)
- continue;
-
- int fx = x + xd;
- if ((fx < 0) || (fx > 3))
- continue;
-
- selectors[n++] = (*this)(fx, fy);
- }
- }
-
- std::sort(selectors, selectors + n);
-
- result(x, y) = selectors[n / 2];
- }
- }
-
- return result;
- }
-
- etc1_selector_palette_entry get_high_pass() const
- {
- etc1_selector_palette_entry result;
-
- static const int kernel[3][3] =
- {
- { 0, -1, 0 },
- { -1, 8, -1 },
- { 0, -1, 0 }
- };
-
- for (uint32_t y = 0; y < 4; y++)
- {
- for (uint32_t x = 0; x < 4; x++)
- {
- // ABC
- // D F
- // GHI
-
- int sum = 0;
-
- for (int yd = -1; yd <= 1; yd++)
- {
- int fy = y + yd;
- fy = basisu::clamp<int>(fy, 0, 3);
-
- for (int xd = -1; xd <= 1; xd++)
- {
- int fx = x + xd;
- fx = basisu::clamp<int>(fx, 0, 3);
-
- int k = (*this)(fx, fy);
- sum += k * kernel[yd + 1][xd + 1];
- }
- }
-
- sum = sum / 4;
-
- result(x, y) = static_cast<uint8_t>(basisu::clamp<int>(sum, 0, 3));
- }
- }
-
- return result;
- }
-
- etc1_selector_palette_entry get_flipped_and_rotated(bool flip, uint32_t rotation_index) const
- {
- etc1_selector_palette_entry temp;
-
- if (flip)
- {
- for (uint32_t y = 0; y < 4; y++)
- for (uint32_t x = 0; x < 4; x++)
- temp(x, y) = (*this)(x, 3 - y);
- }
- else
- {
- temp = *this;
- }
-
- etc1_selector_palette_entry result;
-
- switch (rotation_index)
- {
- case 0:
- result = temp;
- break;
- case 1:
- for (uint32_t y = 0; y < 4; y++)
- for (uint32_t x = 0; x < 4; x++)
- result(x, y) = temp(y, 3 - x);
- break;
- case 2:
- for (uint32_t y = 0; y < 4; y++)
- for (uint32_t x = 0; x < 4; x++)
- result(x, y) = temp(3 - x, 3 - y);
- break;
- case 3:
- for (uint32_t y = 0; y < 4; y++)
- for (uint32_t x = 0; x < 4; x++)
- result(x, y) = temp(3 - y, x);
- break;
- default:
- assert(0);
- break;
- }
-
- return result;
- }
-
- etc1_selector_palette_entry get_modified(const etc1_global_palette_entry_modifier &modifier) const
- {
- etc1_selector_palette_entry r(*this);
-
- if (modifier.m_shift_x)
- r = r.get_shift_x();
-
- if (modifier.m_shift_y)
- r = r.get_shift_y();
-
- r = r.get_flipped_and_rotated(modifier.m_flip != 0, modifier.m_rot);
-
- if (modifier.m_dilate)
- r = r.get_dilated();
-
- if (modifier.m_erode)
- r = r.get_eroded();
-
- if (modifier.m_high_pass)
- r = r.get_high_pass();
-
- if (modifier.m_rand)
- r = r.get_randomized();
-
- if (modifier.m_div)
- r = r.get_divided();
-
- if (modifier.m_shift)
- r = r.get_shifted(1);
-
- if (modifier.m_contrast)
- r = r.get_contrast(modifier.m_contrast);
-
- if (modifier.m_inv)
- r = r.get_inverted();
-
- if (modifier.m_median)
- r = r.get_median();
-
- return r;
- }
-
- etc1_selector_palette_entry apply_modifier(modifier_types mod_type, const etc1_global_palette_entry_modifier &modifier) const
- {
- switch (mod_type)
- {
- case cModifierContrast:
- return get_contrast(modifier.m_contrast);
- case cModifierRand:
- return get_randomized();
- case cModifierMedian:
- return get_median();
- case cModifierDiv:
- return get_divided();
- case cModifierShift:
- return get_shifted(1);
- case cModifierInv:
- return get_inverted();
- case cModifierFlippedAndRotated:
- return get_flipped_and_rotated(modifier.m_flip != 0, modifier.m_rot);
- case cModifierDilate:
- return get_dilated();
- case cModifierShiftX:
- return get_shift_x();
- case cModifierShiftY:
- return get_shift_y();
- case cModifierErode:
- return get_eroded();
- case cModifierHighPass:
- return get_high_pass();
- default:
- assert(0);
- break;
- }
-
- return *this;
- }
-
- etc1_selector_palette_entry get_modified(const etc1_global_palette_entry_modifier &modifier, uint32_t num_order, const modifier_types *pOrder) const
- {
- etc1_selector_palette_entry r(*this);
-
- for (uint32_t i = 0; i < num_order; i++)
- {
- r = r.apply_modifier(pOrder[i], modifier);
- }
-
- return r;
- }
-
- bool operator< (const etc1_selector_palette_entry &other) const
- {
- for (uint32_t i = 0; i < 16; i++)
- {
- if (m_selectors[i] < other.m_selectors[i])
- return true;
- else if (m_selectors[i] != other.m_selectors[i])
- return false;
- }
-
- return false;
- }
-
- bool operator== (const etc1_selector_palette_entry &other) const
- {
- for (uint32_t i = 0; i < 16; i++)
- {
- if (m_selectors[i] != other.m_selectors[i])
- return false;
- }
-
- return true;
- }
-
- private:
- uint8_t m_selectors[16];
- };
-
- typedef basisu::vector<etc1_selector_palette_entry> etc1_selector_palette_entry_vec;
-
- extern const uint32_t g_global_selector_cb[];
- extern const uint32_t g_global_selector_cb_size;
-
-#define ETC1_GLOBAL_SELECTOR_CODEBOOK_MAX_PAL_BITS (12)
-
- struct etc1_global_selector_codebook_entry_id
- {
- uint32_t m_palette_index;
- etc1_global_palette_entry_modifier m_modifier;
-
- etc1_global_selector_codebook_entry_id(uint32_t palette_index, const etc1_global_palette_entry_modifier &modifier) : m_palette_index(palette_index), m_modifier(modifier) { }
-
- etc1_global_selector_codebook_entry_id() { }
-
- void set(uint32_t palette_index, const etc1_global_palette_entry_modifier &modifier) { m_palette_index = palette_index; m_modifier = modifier; }
- };
-
- typedef basisu::vector<etc1_global_selector_codebook_entry_id> etc1_global_selector_codebook_entry_id_vec;
-
- class etc1_global_selector_codebook
- {
- public:
- etc1_global_selector_codebook() { }
- etc1_global_selector_codebook(uint32_t N, const uint32_t *pEntries) { init(N, pEntries); }
-
- void init(uint32_t N, const uint32_t* pEntries);
-
- void print_code(FILE *pFile);
-
- void clear()
- {
- m_palette.clear();
- }
-
- uint32_t size() const { return (uint32_t)m_palette.size(); }
-
- const etc1_selector_palette_entry_vec &get_palette() const
- {
- return m_palette;
- }
-
- etc1_selector_palette_entry get_entry(uint32_t palette_index) const
- {
- return m_palette[palette_index];
- }
-
- etc1_selector_palette_entry get_entry(uint32_t palette_index, const etc1_global_palette_entry_modifier &modifier) const
- {
- return m_palette[palette_index].get_modified(modifier);
- }
-
- etc1_selector_palette_entry get_entry(const etc1_global_selector_codebook_entry_id &id) const
- {
- return m_palette[id.m_palette_index].get_modified(id.m_modifier);
- }
-
- etc1_selector_palette_entry_vec m_palette;
- };
-
-} // namespace basist