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Diffstat (limited to 'thirdparty/etc2comp/EtcBlock4x4EncodingBits.h')
| -rw-r--r-- | thirdparty/etc2comp/EtcBlock4x4EncodingBits.h | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/thirdparty/etc2comp/EtcBlock4x4EncodingBits.h b/thirdparty/etc2comp/EtcBlock4x4EncodingBits.h deleted file mode 100644 index 4065700379..0000000000 --- a/thirdparty/etc2comp/EtcBlock4x4EncodingBits.h +++ /dev/null @@ -1,315 +0,0 @@ -/* - * Copyright 2015 The Etc2Comp Authors. - * - * 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 <assert.h> - -namespace Etc -{ - - // ################################################################################ - // Block4x4EncodingBits - // Base class for Block4x4EncodingBits_XXXX - // ################################################################################ - - class Block4x4EncodingBits - { - public: - - enum class Format - { - UNKNOWN, - // - RGB8, - RGBA8, - R11, - RG11, - RGB8A1, - // - FORMATS - }; - - static unsigned int GetBytesPerBlock(Format a_format) - { - switch (a_format) - { - case Format::RGB8: - case Format::R11: - case Format::RGB8A1: - return 8; - break; - - case Format::RGBA8: - case Format::RG11: - return 16; - break; - - default: - return 0; - break; - } - - } - - }; - - // ################################################################################ - // Block4x4EncodingBits_RGB8 - // Encoding bits for the RGB portion of ETC1, RGB8, RGB8A1 and RGBA8 - // ################################################################################ - - class Block4x4EncodingBits_RGB8 - { - public: - - static const unsigned int BYTES_PER_BLOCK = 8; - - inline Block4x4EncodingBits_RGB8(void) - { - assert(sizeof(Block4x4EncodingBits_RGB8) == BYTES_PER_BLOCK); - - for (unsigned int uiByte = 0; uiByte < BYTES_PER_BLOCK; uiByte++) - { - auc[uiByte] = 0; - } - - } - - typedef struct - { - unsigned red2 : 4; - unsigned red1 : 4; - // - unsigned green2 : 4; - unsigned green1 : 4; - // - unsigned blue2 : 4; - unsigned blue1 : 4; - // - unsigned flip : 1; - unsigned diff : 1; - unsigned cw2 : 3; - unsigned cw1 : 3; - // - unsigned int selectors; - } Individual; - - typedef struct - { - signed dred2 : 3; - unsigned red1 : 5; - // - signed dgreen2 : 3; - unsigned green1 : 5; - // - signed dblue2 : 3; - unsigned blue1 : 5; - // - unsigned flip : 1; - unsigned diff : 1; - unsigned cw2 : 3; - unsigned cw1 : 3; - // - unsigned int selectors; - } Differential; - - typedef struct - { - unsigned red1b : 2; - unsigned detect2 : 1; - unsigned red1a : 2; - unsigned detect1 : 3; - // - unsigned blue1 : 4; - unsigned green1 : 4; - // - unsigned green2 : 4; - unsigned red2 : 4; - // - unsigned db : 1; - unsigned diff : 1; - unsigned da : 2; - unsigned blue2 : 4; - // - unsigned int selectors; - } T; - - typedef struct - { - unsigned green1a : 3; - unsigned red1 : 4; - unsigned detect1 : 1; - // - unsigned blue1b : 2; - unsigned detect3 : 1; - unsigned blue1a : 1; - unsigned green1b : 1; - unsigned detect2 : 3; - // - unsigned green2a : 3; - unsigned red2 : 4; - unsigned blue1c : 1; - // - unsigned db : 1; - unsigned diff : 1; - unsigned da : 1; - unsigned blue2 : 4; - unsigned green2b : 1; - // - unsigned int selectors; - } H; - - typedef struct - { - unsigned originGreen1 : 1; - unsigned originRed : 6; - unsigned detect1 : 1; - // - unsigned originBlue1 : 1; - unsigned originGreen2 : 6; - unsigned detect2 : 1; - // - unsigned originBlue3 : 2; - unsigned detect4 : 1; - unsigned originBlue2 : 2; - unsigned detect3 : 3; - // - unsigned horizRed2 : 1; - unsigned diff : 1; - unsigned horizRed1 : 5; - unsigned originBlue4 : 1; - // - unsigned horizBlue1: 1; - unsigned horizGreen : 7; - // - unsigned vertRed1 : 3; - unsigned horizBlue2 : 5; - // - unsigned vertGreen1 : 5; - unsigned vertRed2 : 3; - // - unsigned vertBlue : 6; - unsigned vertGreen2 : 2; - } Planar; - - union - { - unsigned char auc[BYTES_PER_BLOCK]; - unsigned long int ul; - Individual individual; - Differential differential; - T t; - H h; - Planar planar; - }; - - }; - - // ################################################################################ - // Block4x4EncodingBits_A8 - // Encoding bits for the A portion of RGBA8 - // ################################################################################ - - class Block4x4EncodingBits_A8 - { - public: - - static const unsigned int BYTES_PER_BLOCK = 8; - static const unsigned int SELECTOR_BYTES = 6; - - typedef struct - { - unsigned base : 8; - unsigned table : 4; - unsigned multiplier : 4; - unsigned selectors0 : 8; - unsigned selectors1 : 8; - unsigned selectors2 : 8; - unsigned selectors3 : 8; - unsigned selectors4 : 8; - unsigned selectors5 : 8; - } Data; - - Data data; - - }; - - // ################################################################################ - // Block4x4EncodingBits_R11 - // Encoding bits for the R portion of R11 - // ################################################################################ - - class Block4x4EncodingBits_R11 - { - public: - - static const unsigned int BYTES_PER_BLOCK = 8; - static const unsigned int SELECTOR_BYTES = 6; - - typedef struct - { - unsigned base : 8; - unsigned table : 4; - unsigned multiplier : 4; - unsigned selectors0 : 8; - unsigned selectors1 : 8; - unsigned selectors2 : 8; - unsigned selectors3 : 8; - unsigned selectors4 : 8; - unsigned selectors5 : 8; - } Data; - - Data data; - - }; - - class Block4x4EncodingBits_RG11 - { - public: - - static const unsigned int BYTES_PER_BLOCK = 16; - static const unsigned int SELECTOR_BYTES = 12; - - typedef struct - { - //Red portion - unsigned baseR : 8; - unsigned tableIndexR : 4; - unsigned multiplierR : 4; - unsigned selectorsR0 : 8; - unsigned selectorsR1 : 8; - unsigned selectorsR2 : 8; - unsigned selectorsR3 : 8; - unsigned selectorsR4 : 8; - unsigned selectorsR5 : 8; - //Green portion - unsigned baseG : 8; - unsigned tableIndexG : 4; - unsigned multiplierG : 4; - unsigned selectorsG0 : 8; - unsigned selectorsG1 : 8; - unsigned selectorsG2 : 8; - unsigned selectorsG3 : 8; - unsigned selectorsG4 : 8; - unsigned selectorsG5 : 8; - } Data; - - Data data; - - }; - -} |