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dds/etc1/pbm/pvr: Make those modules and split thirdparty files
They are not particularly packaged in Linux distros so we do not facilitate unbundling via SCons. There could be done if/when there is interest. Also s/pnm/pbm/, long-lived typo :)
This commit is contained in:
Rémi Verschelde
23
thirdparty/README.md
vendored
23
thirdparty/README.md
vendored
@@ -42,3 +42,26 @@ Files extracted from upstream source:
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* pngtest.c
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- the arm/ folder
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- scripts/pnglibconf.h.prebuilt as pnglibconf.h
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## pvrtccompressor
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- Upstream: https://bitbucket.org/jthlim/pvrtccompressor
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- Version: hg commit cf71777 - 2015-01-08
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- License: BSD-3-Clause
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Files extracted from upstream source:
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- all .cpp and .h files apart from main.cpp
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- LICENSE.TXT
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## rg-etc1
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- Upstream: https://github.com/richgel999/rg-etc1
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- Version: 1.04
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- License: zlib
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Files extracted from upstream source:
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- all of them: rg_etc1.{cpp,h}
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18
thirdparty/pvrtccompressor/AlphaBitmap.h
vendored
Normal file
18
thirdparty/pvrtccompressor/AlphaBitmap.h
vendored
Normal file
@@ -0,0 +1,18 @@
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#pragma once
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#include "Bitmap.h"
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namespace Javelin {
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class AlphaBitmap : public Bitmap {
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public:
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AlphaBitmap(int w, int h)
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: Bitmap(w, h, 1) {
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}
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const unsigned char *GetData() const { return data; }
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unsigned char *GetData() { return data; }
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};
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}
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184
thirdparty/pvrtccompressor/BitScale.cpp
vendored
Normal file
184
thirdparty/pvrtccompressor/BitScale.cpp
vendored
Normal file
@@ -0,0 +1,184 @@
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#include "BitScale.h"
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const uint8_t Javelin::Data::BITSCALE_5_TO_8[32] = {
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0, 8, 16, 24, 32, 41, 49, 57, 65, 74,
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82, 90, 98, 106, 115, 123, 131, 139, 148, 156,
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164, 172, 180, 189, 197, 205, 213, 222, 230, 238,
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246, 255};
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const uint8_t Javelin::Data::BITSCALE_4_TO_8[16] = {
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0, 17, 34, 51, 68, 85, 102, 119, 136, 153,
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170, 187, 204, 221, 238, 255};
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const uint8_t Javelin::Data::BITSCALE_3_TO_8[8] = {
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0, 36, 72, 109, 145, 182, 218, 255};
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const uint8_t Javelin::Data::BITSCALE_8_TO_5_FLOOR[256] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
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1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
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2, 2, 2, 2, 2, 3, 3, 3, 3, 3,
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3, 3, 3, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 5, 5, 5, 5, 5, 5, 5, 5,
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6, 6, 6, 6, 6, 6, 6, 6, 7, 7,
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7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
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||||
8, 8, 8, 8, 8, 9, 9, 9, 9, 9,
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||||
9, 9, 9, 10, 10, 10, 10, 10, 10, 10,
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||||
10, 11, 11, 11, 11, 11, 11, 11, 11, 12,
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||||
12, 12, 12, 12, 12, 12, 12, 13, 13, 13,
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||||
13, 13, 13, 13, 13, 13, 14, 14, 14, 14,
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14, 14, 14, 14, 15, 15, 15, 15, 15, 15,
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15, 15, 16, 16, 16, 16, 16, 16, 16, 16,
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17, 17, 17, 17, 17, 17, 17, 17, 17, 18,
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18, 18, 18, 18, 18, 18, 18, 19, 19, 19,
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19, 19, 19, 19, 19, 20, 20, 20, 20, 20,
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20, 20, 20, 21, 21, 21, 21, 21, 21, 21,
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21, 22, 22, 22, 22, 22, 22, 22, 22, 22,
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23, 23, 23, 23, 23, 23, 23, 23, 24, 24,
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24, 24, 24, 24, 24, 24, 25, 25, 25, 25,
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||||
25, 25, 25, 25, 26, 26, 26, 26, 26, 26,
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26, 26, 26, 27, 27, 27, 27, 27, 27, 27,
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27, 28, 28, 28, 28, 28, 28, 28, 28, 29,
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29, 29, 29, 29, 29, 29, 29, 30, 30, 30,
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30, 30, 30, 30, 30, 31};
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const uint8_t Javelin::Data::BITSCALE_8_TO_4_FLOOR[256] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 1, 1, 1,
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||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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||||
1, 1, 1, 1, 2, 2, 2, 2, 2, 2,
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||||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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||||
2, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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||||
3, 3, 3, 3, 3, 3, 3, 3, 4, 4,
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||||
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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||||
4, 4, 4, 4, 4, 5, 5, 5, 5, 5,
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||||
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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||||
5, 5, 6, 6, 6, 6, 6, 6, 6, 6,
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||||
6, 6, 6, 6, 6, 6, 6, 6, 6, 7,
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||||
7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
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||||
7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
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||||
8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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||||
8, 8, 8, 9, 9, 9, 9, 9, 9, 9,
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9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
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||||
10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
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||||
10, 10, 10, 10, 10, 10, 10, 11, 11, 11,
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||||
11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
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||||
11, 11, 11, 11, 12, 12, 12, 12, 12, 12,
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||||
12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
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12, 13, 13, 13, 13, 13, 13, 13, 13, 13,
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||||
13, 13, 13, 13, 13, 13, 13, 13, 14, 14,
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14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
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14, 14, 14, 14, 14, 15};
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const uint8_t Javelin::Data::BITSCALE_8_TO_3_FLOOR[256] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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||||
0, 0, 0, 0, 0, 0, 0, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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||||
1, 1, 1, 2, 2, 2, 2, 2, 2, 2,
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||||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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||||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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||||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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||||
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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||||
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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||||
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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||||
3, 3, 3, 3, 3, 3, 4, 4, 4, 4,
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||||
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 5, 5, 5, 5, 5, 5, 5,
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||||
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
|
||||
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
|
||||
5, 5, 5, 5, 5, 5, 5, 5, 5, 6,
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||||
6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
|
||||
6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
|
||||
6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
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||||
6, 6, 6, 6, 6, 7};
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||||
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||||
const uint8_t Javelin::Data::BITSCALE_8_TO_5_CEIL[256] = {
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0, 1, 1, 1, 1, 1, 1, 1, 1, 2,
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||||
2, 2, 2, 2, 2, 2, 2, 3, 3, 3,
|
||||
3, 3, 3, 3, 3, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 5, 5, 5, 5, 5, 5, 5,
|
||||
5, 5, 6, 6, 6, 6, 6, 6, 6, 6,
|
||||
7, 7, 7, 7, 7, 7, 7, 7, 8, 8,
|
||||
8, 8, 8, 8, 8, 8, 9, 9, 9, 9,
|
||||
9, 9, 9, 9, 9, 10, 10, 10, 10, 10,
|
||||
10, 10, 10, 11, 11, 11, 11, 11, 11, 11,
|
||||
11, 12, 12, 12, 12, 12, 12, 12, 12, 13,
|
||||
13, 13, 13, 13, 13, 13, 13, 14, 14, 14,
|
||||
14, 14, 14, 14, 14, 14, 15, 15, 15, 15,
|
||||
15, 15, 15, 15, 16, 16, 16, 16, 16, 16,
|
||||
16, 16, 17, 17, 17, 17, 17, 17, 17, 17,
|
||||
18, 18, 18, 18, 18, 18, 18, 18, 18, 19,
|
||||
19, 19, 19, 19, 19, 19, 19, 20, 20, 20,
|
||||
20, 20, 20, 20, 20, 21, 21, 21, 21, 21,
|
||||
21, 21, 21, 22, 22, 22, 22, 22, 22, 22,
|
||||
22, 23, 23, 23, 23, 23, 23, 23, 23, 23,
|
||||
24, 24, 24, 24, 24, 24, 24, 24, 25, 25,
|
||||
25, 25, 25, 25, 25, 25, 26, 26, 26, 26,
|
||||
26, 26, 26, 26, 27, 27, 27, 27, 27, 27,
|
||||
27, 27, 27, 28, 28, 28, 28, 28, 28, 28,
|
||||
28, 29, 29, 29, 29, 29, 29, 29, 29, 30,
|
||||
30, 30, 30, 30, 30, 30, 30, 31, 31, 31,
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||||
31, 31, 31, 31, 31, 31};
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||||
|
||||
const uint8_t Javelin::Data::BITSCALE_8_TO_4_CEIL[256] = {
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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||||
1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
|
||||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||||
2, 2, 2, 2, 2, 3, 3, 3, 3, 3,
|
||||
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
|
||||
3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 4, 4, 4, 4, 4, 4, 5,
|
||||
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
|
||||
5, 5, 5, 5, 5, 5, 6, 6, 6, 6,
|
||||
6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
|
||||
6, 6, 6, 7, 7, 7, 7, 7, 7, 7,
|
||||
7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
|
||||
8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
||||
8, 8, 8, 8, 8, 8, 8, 9, 9, 9,
|
||||
9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
|
||||
9, 9, 9, 9, 10, 10, 10, 10, 10, 10,
|
||||
10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
|
||||
10, 11, 11, 11, 11, 11, 11, 11, 11, 11,
|
||||
11, 11, 11, 11, 11, 11, 11, 11, 12, 12,
|
||||
12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
|
||||
12, 12, 12, 12, 12, 13, 13, 13, 13, 13,
|
||||
13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
|
||||
13, 13, 14, 14, 14, 14, 14, 14, 14, 14,
|
||||
14, 14, 14, 14, 14, 14, 14, 14, 14, 15,
|
||||
15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
|
||||
15, 15, 15, 15, 15, 15};
|
||||
|
||||
const uint8_t Javelin::Data::BITSCALE_8_TO_3_CEIL[256] = {
|
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
|
||||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||||
2, 2, 2, 3, 3, 3, 3, 3, 3, 3,
|
||||
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
|
||||
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
|
||||
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
|
||||
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 4, 4, 4, 5, 5, 5, 5,
|
||||
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
|
||||
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
|
||||
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
|
||||
5, 5, 5, 6, 6, 6, 6, 6, 6, 6,
|
||||
6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
|
||||
6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
|
||||
6, 6, 6, 6, 6, 6, 6, 6, 6, 7,
|
||||
7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
|
||||
7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
|
||||
7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
|
||||
7, 7, 7, 7, 7, 7};
|
||||
|
||||
28
thirdparty/pvrtccompressor/BitScale.h
vendored
Normal file
28
thirdparty/pvrtccompressor/BitScale.h
vendored
Normal file
@@ -0,0 +1,28 @@
|
||||
//============================================================================
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "typedefs.h"
|
||||
|
||||
//============================================================================
|
||||
|
||||
namespace Javelin
|
||||
{
|
||||
namespace Data
|
||||
{
|
||||
//============================================================================
|
||||
|
||||
extern const uint8_t BITSCALE_5_TO_8[32];
|
||||
extern const uint8_t BITSCALE_4_TO_8[16];
|
||||
extern const uint8_t BITSCALE_3_TO_8[8];
|
||||
extern const uint8_t BITSCALE_8_TO_5_FLOOR[256];
|
||||
extern const uint8_t BITSCALE_8_TO_4_FLOOR[256];
|
||||
extern const uint8_t BITSCALE_8_TO_3_FLOOR[256];
|
||||
extern const uint8_t BITSCALE_8_TO_5_CEIL[256];
|
||||
extern const uint8_t BITSCALE_8_TO_4_CEIL[256];
|
||||
extern const uint8_t BITSCALE_8_TO_3_CEIL[256];
|
||||
|
||||
//============================================================================
|
||||
} // namespace Data
|
||||
} // namespace Javelin
|
||||
//============================================================================
|
||||
19
thirdparty/pvrtccompressor/BitUtility.h
vendored
Normal file
19
thirdparty/pvrtccompressor/BitUtility.h
vendored
Normal file
@@ -0,0 +1,19 @@
|
||||
#pragma once
|
||||
|
||||
namespace Javelin {
|
||||
|
||||
class BitUtility {
|
||||
public:
|
||||
static bool IsPowerOf2(unsigned int x) {
|
||||
return (x & (x - 1)) == 0;
|
||||
}
|
||||
|
||||
static unsigned int RotateRight(unsigned int value, unsigned int shift) {
|
||||
if ((shift &= sizeof(value) * 8 - 1) == 0) {
|
||||
return value;
|
||||
}
|
||||
return (value >> shift) | (value << (sizeof(value) * 8 - shift));
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
34
thirdparty/pvrtccompressor/Bitmap.h
vendored
Normal file
34
thirdparty/pvrtccompressor/Bitmap.h
vendored
Normal file
@@ -0,0 +1,34 @@
|
||||
#pragma once
|
||||
|
||||
#include "Point2.h"
|
||||
|
||||
namespace Javelin {
|
||||
|
||||
class Bitmap {
|
||||
public:
|
||||
int width;
|
||||
int height;
|
||||
unsigned char *data;
|
||||
|
||||
Bitmap(int w, int h, int bytesPerPixel)
|
||||
: width(w)
|
||||
, height(h)
|
||||
, data(new unsigned char[width * height * bytesPerPixel]) {
|
||||
}
|
||||
|
||||
virtual ~Bitmap() {
|
||||
delete [] data;
|
||||
}
|
||||
|
||||
Point2<int> GetSize() const { return Point2<int>(width, height); }
|
||||
|
||||
int GetArea() const { return width * height; }
|
||||
|
||||
int GetBitmapWidth() const { return width; }
|
||||
|
||||
int GetBitmapHeight() const { return height; }
|
||||
|
||||
const unsigned char *GetRawData() const { return data; }
|
||||
};
|
||||
|
||||
}
|
||||
152
thirdparty/pvrtccompressor/ColorRgba.h
vendored
Normal file
152
thirdparty/pvrtccompressor/ColorRgba.h
vendored
Normal file
@@ -0,0 +1,152 @@
|
||||
#pragma once
|
||||
|
||||
namespace Javelin {
|
||||
|
||||
template<typename T>
|
||||
class ColorRgb {
|
||||
public:
|
||||
T b;
|
||||
T g;
|
||||
T r;
|
||||
|
||||
|
||||
ColorRgb()
|
||||
: b(0)
|
||||
, g(0)
|
||||
, r(0) {
|
||||
}
|
||||
|
||||
ColorRgb(T red, T green, T blue)
|
||||
: b(blue)
|
||||
, g(green)
|
||||
, r(red) {
|
||||
}
|
||||
|
||||
ColorRgb(const ColorRgb<T> &x)
|
||||
: b(x.b)
|
||||
, g(x.g)
|
||||
, r(x.r) {
|
||||
}
|
||||
|
||||
ColorRgb<int> operator *(int x) {
|
||||
return ColorRgb<int>(r * x, g * x, b * x);
|
||||
}
|
||||
|
||||
ColorRgb<int> operator +(const ColorRgb<T> &x) const {
|
||||
return ColorRgb<int>(r + (int)x.r, g + (int)x.g, b + (int)x.b);
|
||||
}
|
||||
|
||||
ColorRgb<int> operator -(const ColorRgb<T> &x) const {
|
||||
return ColorRgb<int>(r - (int)x.r, g - (int)x.g, b - (int)x.b);
|
||||
}
|
||||
|
||||
int operator %(const ColorRgb<T> &x) const {
|
||||
return r * (int)x.r + g * (int)x.g + b * (int)x.b;
|
||||
}
|
||||
|
||||
bool operator ==(const ColorRgb<T> &x) const {
|
||||
return r == x.r && g == x.g && b == x.b;
|
||||
}
|
||||
|
||||
bool operator !=(const ColorRgb<T> &x) const {
|
||||
return r != x.r || g != x.g || b != x.b;
|
||||
}
|
||||
|
||||
void SetMin(const ColorRgb<T> &x) {
|
||||
if (x.r < r) {
|
||||
r = x.r;
|
||||
}
|
||||
if (x.g < g) {
|
||||
g = x.g;
|
||||
}
|
||||
if (x.b < b) {
|
||||
b = x.b;
|
||||
}
|
||||
}
|
||||
|
||||
void SetMax(const ColorRgb<T> &x) {
|
||||
if (x.r > r) {
|
||||
r = x.r;
|
||||
}
|
||||
if (x.g > g) {
|
||||
g = x.g;
|
||||
}
|
||||
if (x.b > b) {
|
||||
b = x.b;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
class ColorRgba : public ColorRgb<T> {
|
||||
public:
|
||||
T a;
|
||||
|
||||
ColorRgba() :
|
||||
a(0) {
|
||||
}
|
||||
|
||||
ColorRgba(T red, T green, T blue, T alpha)
|
||||
: ColorRgb<T>(red, green, blue)
|
||||
, a(alpha) {
|
||||
}
|
||||
|
||||
ColorRgba(const ColorRgba<T> &x)
|
||||
: ColorRgb<T>(x.r, x.g, x.b)
|
||||
, a(x.a) {
|
||||
}
|
||||
|
||||
ColorRgba<int> operator *(int x) {
|
||||
return ColorRgba<T>(ColorRgb<T>::r * x,
|
||||
ColorRgb<T>::g * x,
|
||||
ColorRgb<T>::b * x,
|
||||
a * x);
|
||||
}
|
||||
|
||||
ColorRgba<int> operator +(const ColorRgba<T> &x) {
|
||||
return ColorRgba<T>(ColorRgb<T>::r + (int)x.r,
|
||||
ColorRgb<T>::g + (int)x.g,
|
||||
ColorRgb<T>::b + (int)x.b,
|
||||
a + (int)x.a);
|
||||
}
|
||||
|
||||
ColorRgba<int> operator -(const ColorRgba<T> &x) {
|
||||
return ColorRgba<T>(ColorRgb<T>::r - (int)x.r,
|
||||
ColorRgb<T>::g - (int)x.g,
|
||||
ColorRgb<T>::b - (int)x.b,
|
||||
a - (int)x.a);
|
||||
}
|
||||
|
||||
int operator %(const ColorRgba<T> &x) {
|
||||
return ColorRgb<T>::r * (int)x.r +
|
||||
ColorRgb<T>::g * (int)x.g +
|
||||
ColorRgb<T>::b * (int)x.b +
|
||||
a * (int)x.a;
|
||||
}
|
||||
|
||||
bool operator ==(const ColorRgba<T> &x) {
|
||||
return ColorRgb<T>::r == x.r && ColorRgb<T>::g == x.g &&
|
||||
ColorRgb<T>::b == x.b && a == x.a;
|
||||
}
|
||||
|
||||
bool operator !=(const ColorRgba<T> &x) {
|
||||
return ColorRgb<T>::r != x.r || ColorRgb<T>::g != x.g ||
|
||||
ColorRgb<T>::b != x.b || a != x.a;
|
||||
}
|
||||
|
||||
void SetMin(const ColorRgba<T> &x) {
|
||||
ColorRgb<T>::SetMin(x);
|
||||
if (x.a < a) {
|
||||
a = x.a;
|
||||
}
|
||||
}
|
||||
|
||||
void SetMax(const ColorRgba<T> &x) {
|
||||
ColorRgb<T>::SetMax(x);
|
||||
if (x.a > a) {
|
||||
a = x.a;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
21
thirdparty/pvrtccompressor/Interval.h
vendored
Normal file
21
thirdparty/pvrtccompressor/Interval.h
vendored
Normal file
@@ -0,0 +1,21 @@
|
||||
#pragma once
|
||||
|
||||
namespace Javelin {
|
||||
|
||||
template<typename T>
|
||||
class Interval {
|
||||
public:
|
||||
T min;
|
||||
T max;
|
||||
|
||||
Interval() {
|
||||
}
|
||||
|
||||
Interval<T> &operator|=(const T &x) {
|
||||
min.SetMin(x);
|
||||
max.SetMax(x);
|
||||
return *this;
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
25
thirdparty/pvrtccompressor/LICENSE.TXT
vendored
Normal file
25
thirdparty/pvrtccompressor/LICENSE.TXT
vendored
Normal file
@@ -0,0 +1,25 @@
|
||||
Copyright © 2014, Jeffrey Lim. All Rights Reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are met:
|
||||
|
||||
1. Redistributions of source code must retain the above copyright notice,
|
||||
this list of conditions and the following disclaimer.
|
||||
|
||||
2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
this list of conditions and the following disclaimer in the documentation
|
||||
and/or other materials provided with the distribution.
|
||||
|
||||
3. The name of the author may not be used to endorse or promote products
|
||||
derived from this software without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
||||
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
||||
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
|
||||
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
POSSIBILITY OF SUCH DAMAGE.
|
||||
43
thirdparty/pvrtccompressor/MortonTable.cpp
vendored
Normal file
43
thirdparty/pvrtccompressor/MortonTable.cpp
vendored
Normal file
@@ -0,0 +1,43 @@
|
||||
//============================================================================
|
||||
|
||||
#include "MortonTable.h"
|
||||
|
||||
//============================================================================
|
||||
|
||||
const unsigned short Javelin::Data::MORTON_TABLE[256] =
|
||||
{
|
||||
0x0000, 0x0001, 0x0004, 0x0005, 0x0010, 0x0011, 0x0014, 0x0015,
|
||||
0x0040, 0x0041, 0x0044, 0x0045, 0x0050, 0x0051, 0x0054, 0x0055,
|
||||
0x0100, 0x0101, 0x0104, 0x0105, 0x0110, 0x0111, 0x0114, 0x0115,
|
||||
0x0140, 0x0141, 0x0144, 0x0145, 0x0150, 0x0151, 0x0154, 0x0155,
|
||||
0x0400, 0x0401, 0x0404, 0x0405, 0x0410, 0x0411, 0x0414, 0x0415,
|
||||
0x0440, 0x0441, 0x0444, 0x0445, 0x0450, 0x0451, 0x0454, 0x0455,
|
||||
0x0500, 0x0501, 0x0504, 0x0505, 0x0510, 0x0511, 0x0514, 0x0515,
|
||||
0x0540, 0x0541, 0x0544, 0x0545, 0x0550, 0x0551, 0x0554, 0x0555,
|
||||
0x1000, 0x1001, 0x1004, 0x1005, 0x1010, 0x1011, 0x1014, 0x1015,
|
||||
0x1040, 0x1041, 0x1044, 0x1045, 0x1050, 0x1051, 0x1054, 0x1055,
|
||||
0x1100, 0x1101, 0x1104, 0x1105, 0x1110, 0x1111, 0x1114, 0x1115,
|
||||
0x1140, 0x1141, 0x1144, 0x1145, 0x1150, 0x1151, 0x1154, 0x1155,
|
||||
0x1400, 0x1401, 0x1404, 0x1405, 0x1410, 0x1411, 0x1414, 0x1415,
|
||||
0x1440, 0x1441, 0x1444, 0x1445, 0x1450, 0x1451, 0x1454, 0x1455,
|
||||
0x1500, 0x1501, 0x1504, 0x1505, 0x1510, 0x1511, 0x1514, 0x1515,
|
||||
0x1540, 0x1541, 0x1544, 0x1545, 0x1550, 0x1551, 0x1554, 0x1555,
|
||||
0x4000, 0x4001, 0x4004, 0x4005, 0x4010, 0x4011, 0x4014, 0x4015,
|
||||
0x4040, 0x4041, 0x4044, 0x4045, 0x4050, 0x4051, 0x4054, 0x4055,
|
||||
0x4100, 0x4101, 0x4104, 0x4105, 0x4110, 0x4111, 0x4114, 0x4115,
|
||||
0x4140, 0x4141, 0x4144, 0x4145, 0x4150, 0x4151, 0x4154, 0x4155,
|
||||
0x4400, 0x4401, 0x4404, 0x4405, 0x4410, 0x4411, 0x4414, 0x4415,
|
||||
0x4440, 0x4441, 0x4444, 0x4445, 0x4450, 0x4451, 0x4454, 0x4455,
|
||||
0x4500, 0x4501, 0x4504, 0x4505, 0x4510, 0x4511, 0x4514, 0x4515,
|
||||
0x4540, 0x4541, 0x4544, 0x4545, 0x4550, 0x4551, 0x4554, 0x4555,
|
||||
0x5000, 0x5001, 0x5004, 0x5005, 0x5010, 0x5011, 0x5014, 0x5015,
|
||||
0x5040, 0x5041, 0x5044, 0x5045, 0x5050, 0x5051, 0x5054, 0x5055,
|
||||
0x5100, 0x5101, 0x5104, 0x5105, 0x5110, 0x5111, 0x5114, 0x5115,
|
||||
0x5140, 0x5141, 0x5144, 0x5145, 0x5150, 0x5151, 0x5154, 0x5155,
|
||||
0x5400, 0x5401, 0x5404, 0x5405, 0x5410, 0x5411, 0x5414, 0x5415,
|
||||
0x5440, 0x5441, 0x5444, 0x5445, 0x5450, 0x5451, 0x5454, 0x5455,
|
||||
0x5500, 0x5501, 0x5504, 0x5505, 0x5510, 0x5511, 0x5514, 0x5515,
|
||||
0x5540, 0x5541, 0x5544, 0x5545, 0x5550, 0x5551, 0x5554, 0x5555
|
||||
};
|
||||
|
||||
//============================================================================
|
||||
18
thirdparty/pvrtccompressor/MortonTable.h
vendored
Normal file
18
thirdparty/pvrtccompressor/MortonTable.h
vendored
Normal file
@@ -0,0 +1,18 @@
|
||||
//============================================================================
|
||||
|
||||
#pragma once
|
||||
|
||||
//============================================================================
|
||||
|
||||
namespace Javelin
|
||||
{
|
||||
namespace Data
|
||||
{
|
||||
//============================================================================
|
||||
|
||||
extern const unsigned short MORTON_TABLE[256];
|
||||
|
||||
//============================================================================
|
||||
} // namespace Data
|
||||
} // namespace Javelin
|
||||
//============================================================================
|
||||
17
thirdparty/pvrtccompressor/Point2.h
vendored
Normal file
17
thirdparty/pvrtccompressor/Point2.h
vendored
Normal file
@@ -0,0 +1,17 @@
|
||||
#pragma once
|
||||
|
||||
namespace Javelin {
|
||||
|
||||
template<typename T>
|
||||
class Point2 {
|
||||
public:
|
||||
T x;
|
||||
T y;
|
||||
|
||||
Point2(int a, int b)
|
||||
: x(a)
|
||||
, y(b) {
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
144
thirdparty/pvrtccompressor/PvrTcDecoder.cpp
vendored
Normal file
144
thirdparty/pvrtccompressor/PvrTcDecoder.cpp
vendored
Normal file
@@ -0,0 +1,144 @@
|
||||
//============================================================================
|
||||
|
||||
#include "PvrTcDecoder.h"
|
||||
#include "PvrTcPacket.h"
|
||||
|
||||
#include "MortonTable.h"
|
||||
#include <assert.h>
|
||||
|
||||
//============================================================================
|
||||
|
||||
using namespace Javelin;
|
||||
using Data::MORTON_TABLE;
|
||||
|
||||
//============================================================================
|
||||
|
||||
inline unsigned PvrTcDecoder::GetMortonNumber(int x, int y)
|
||||
{
|
||||
return MORTON_TABLE[x >> 8] << 17 | MORTON_TABLE[y >> 8] << 16 | MORTON_TABLE[x & 0xFF] << 1 | MORTON_TABLE[y & 0xFF];
|
||||
}
|
||||
|
||||
//============================================================================
|
||||
|
||||
void PvrTcDecoder::DecodeRgb4Bpp(ColorRgb<unsigned char>* result, const Point2<int>& size, const void* data)
|
||||
{
|
||||
assert(size.x == size.y);
|
||||
|
||||
const int blocks = size.x / 4;
|
||||
const int blockMask = blocks-1;
|
||||
const PvrTcPacket* packets = static_cast<const PvrTcPacket*>(data);
|
||||
|
||||
for(int y = 0; y < blocks; ++y)
|
||||
{
|
||||
for(int x = 0; x < blocks; ++x)
|
||||
{
|
||||
const PvrTcPacket* packet = packets + GetMortonNumber(x, y);
|
||||
|
||||
unsigned mod = packet->modulationData;
|
||||
const unsigned char (*weights)[4] = PvrTcPacket::WEIGHTS + 4*packet->usePunchthroughAlpha;
|
||||
const unsigned char (*factor)[4] = PvrTcPacket::BILINEAR_FACTORS;
|
||||
|
||||
for(int py = 0; py < 4; ++py)
|
||||
{
|
||||
const int yOffset = (py < 2) ? -1 : 0;
|
||||
const int y0 = (y + yOffset) & blockMask;
|
||||
const int y1 = (y0+1) & blockMask;
|
||||
|
||||
for(int px = 0; px < 4; ++px)
|
||||
{
|
||||
const int xOffset = (px < 2) ? -1 : 0;
|
||||
const int x0 = (x + xOffset) & blockMask;
|
||||
const int x1 = (x0+1) & blockMask;
|
||||
|
||||
const PvrTcPacket* p0 = packets + GetMortonNumber(x0, y0);
|
||||
const PvrTcPacket* p1 = packets + GetMortonNumber(x1, y0);
|
||||
const PvrTcPacket* p2 = packets + GetMortonNumber(x0, y1);
|
||||
const PvrTcPacket* p3 = packets + GetMortonNumber(x1, y1);
|
||||
|
||||
ColorRgb<int> ca = p0->GetColorRgbA() * (*factor)[0] +
|
||||
p1->GetColorRgbA() * (*factor)[1] +
|
||||
p2->GetColorRgbA() * (*factor)[2] +
|
||||
p3->GetColorRgbA() * (*factor)[3];
|
||||
|
||||
ColorRgb<int> cb = p0->GetColorRgbB() * (*factor)[0] +
|
||||
p1->GetColorRgbB() * (*factor)[1] +
|
||||
p2->GetColorRgbB() * (*factor)[2] +
|
||||
p3->GetColorRgbB() * (*factor)[3];
|
||||
|
||||
const unsigned char* w = weights[mod&3];
|
||||
ColorRgb<unsigned char> c;
|
||||
c.r = (ca.r * w[0] + cb.r * w[1]) >> 7;
|
||||
c.g = (ca.g * w[0] + cb.g * w[1]) >> 7;
|
||||
c.b = (ca.b * w[0] + cb.b * w[1]) >> 7;
|
||||
|
||||
result[(py+y*4)*size.x + (px+x*4)] = c;
|
||||
mod >>= 2;
|
||||
factor++;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void PvrTcDecoder::DecodeRgba4Bpp(ColorRgba<unsigned char>* result, const Point2<int>& size, const void* data)
|
||||
{
|
||||
assert(size.x == size.y);
|
||||
|
||||
const int blocks = size.x / 4;
|
||||
const int blockMask = blocks-1;
|
||||
const PvrTcPacket* packets = static_cast<const PvrTcPacket*>(data);
|
||||
|
||||
for(int y = 0; y < blocks; ++y)
|
||||
{
|
||||
for(int x = 0; x < blocks; ++x)
|
||||
{
|
||||
const PvrTcPacket* packet = packets + GetMortonNumber(x, y);
|
||||
|
||||
unsigned mod = packet->modulationData;
|
||||
const unsigned char (*weights)[4] = PvrTcPacket::WEIGHTS + 4*packet->usePunchthroughAlpha;
|
||||
const unsigned char (*factor)[4] = PvrTcPacket::BILINEAR_FACTORS;
|
||||
|
||||
for(int py = 0; py < 4; ++py)
|
||||
{
|
||||
const int yOffset = (py < 2) ? -1 : 0;
|
||||
const int y0 = (y + yOffset) & blockMask;
|
||||
const int y1 = (y0+1) & blockMask;
|
||||
|
||||
for(int px = 0; px < 4; ++px)
|
||||
{
|
||||
const int xOffset = (px < 2) ? -1 : 0;
|
||||
const int x0 = (x + xOffset) & blockMask;
|
||||
const int x1 = (x0+1) & blockMask;
|
||||
|
||||
const PvrTcPacket* p0 = packets + GetMortonNumber(x0, y0);
|
||||
const PvrTcPacket* p1 = packets + GetMortonNumber(x1, y0);
|
||||
const PvrTcPacket* p2 = packets + GetMortonNumber(x0, y1);
|
||||
const PvrTcPacket* p3 = packets + GetMortonNumber(x1, y1);
|
||||
|
||||
ColorRgba<int> ca = p0->GetColorRgbaA() * (*factor)[0] +
|
||||
p1->GetColorRgbaA() * (*factor)[1] +
|
||||
p2->GetColorRgbaA() * (*factor)[2] +
|
||||
p3->GetColorRgbaA() * (*factor)[3];
|
||||
|
||||
ColorRgba<int> cb = p0->GetColorRgbaB() * (*factor)[0] +
|
||||
p1->GetColorRgbaB() * (*factor)[1] +
|
||||
p2->GetColorRgbaB() * (*factor)[2] +
|
||||
p3->GetColorRgbaB() * (*factor)[3];
|
||||
|
||||
const unsigned char* w = weights[mod&3];
|
||||
ColorRgba<unsigned char> c;
|
||||
c.r = (ca.r * w[0] + cb.r * w[1]) >> 7;
|
||||
c.g = (ca.g * w[0] + cb.g * w[1]) >> 7;
|
||||
c.b = (ca.b * w[0] + cb.b * w[1]) >> 7;
|
||||
c.a = (ca.a * w[2] + cb.a * w[3]) >> 7;
|
||||
|
||||
result[(py+y*4)*size.x + (px+x*4)] = c;
|
||||
mod >>= 2;
|
||||
factor++;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//============================================================================
|
||||
25
thirdparty/pvrtccompressor/PvrTcDecoder.h
vendored
Normal file
25
thirdparty/pvrtccompressor/PvrTcDecoder.h
vendored
Normal file
@@ -0,0 +1,25 @@
|
||||
//============================================================================
|
||||
|
||||
#pragma once
|
||||
#include "Point2.h"
|
||||
#include "ColorRgba.h"
|
||||
|
||||
//============================================================================
|
||||
|
||||
namespace Javelin
|
||||
{
|
||||
//============================================================================
|
||||
|
||||
class PvrTcDecoder
|
||||
{
|
||||
public:
|
||||
static void DecodeRgb4Bpp(ColorRgb<unsigned char>* result, const Point2<int>& size, const void* data);
|
||||
static void DecodeRgba4Bpp(ColorRgba<unsigned char>* result, const Point2<int>& size, const void* data);
|
||||
|
||||
private:
|
||||
static unsigned GetMortonNumber(int x, int y);
|
||||
};
|
||||
|
||||
//============================================================================
|
||||
}
|
||||
//============================================================================
|
||||
474
thirdparty/pvrtccompressor/PvrTcEncoder.cpp
vendored
Normal file
474
thirdparty/pvrtccompressor/PvrTcEncoder.cpp
vendored
Normal file
@@ -0,0 +1,474 @@
|
||||
//============================================================================
|
||||
|
||||
#include "PvrTcEncoder.h"
|
||||
#include "AlphaBitmap.h"
|
||||
#include "PvrTcPacket.h"
|
||||
#include "RgbBitmap.h"
|
||||
#include "RgbaBitmap.h"
|
||||
#include "MortonTable.h"
|
||||
#include "BitUtility.h"
|
||||
#include "Interval.h"
|
||||
#include <assert.h>
|
||||
#include <math.h>
|
||||
#include <stdint.h>
|
||||
|
||||
//============================================================================
|
||||
|
||||
using namespace Javelin;
|
||||
using Data::MORTON_TABLE;
|
||||
|
||||
//============================================================================
|
||||
|
||||
static const unsigned char MODULATION_LUT[16] =
|
||||
{
|
||||
0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3
|
||||
};
|
||||
|
||||
//============================================================================
|
||||
|
||||
inline unsigned PvrTcEncoder::GetMortonNumber(int x, int y)
|
||||
{
|
||||
return MORTON_TABLE[x >> 8] << 17 | MORTON_TABLE[y >> 8] << 16 | MORTON_TABLE[x & 0xFF] << 1 | MORTON_TABLE[y & 0xFF];
|
||||
}
|
||||
|
||||
//============================================================================
|
||||
|
||||
void PvrTcEncoder::EncodeAlpha2Bpp(void* result, const AlphaBitmap& bitmap)
|
||||
{
|
||||
int size = bitmap.GetBitmapWidth();
|
||||
assert(size == bitmap.GetBitmapHeight());
|
||||
assert(BitUtility::IsPowerOf2(size));
|
||||
|
||||
// Blocks in each dimension.
|
||||
int xBlocks = size/8;
|
||||
int yBlocks = size/4;
|
||||
|
||||
const unsigned char* bitmapData = bitmap.GetRawData();
|
||||
|
||||
PvrTcPacket* packets = static_cast<PvrTcPacket*>(result);
|
||||
for(int y = 0; y < yBlocks; ++y)
|
||||
{
|
||||
for(int x = 0; x < xBlocks; ++x)
|
||||
{
|
||||
PvrTcPacket* packet = packets + GetMortonNumber(x, y);
|
||||
packet->usePunchthroughAlpha = 0;
|
||||
packet->colorAIsOpaque = 0;
|
||||
packet->colorA = 0x7ff; // White, with 0 alpha
|
||||
packet->colorBIsOpaque = 1;
|
||||
packet->colorB = 0x7fff; // White with full alpha
|
||||
|
||||
const unsigned char* blockBitmapData = &bitmapData[y*4*size + x*8];
|
||||
|
||||
uint32_t modulationData = 0;
|
||||
for(int py = 0; py < 4; ++py)
|
||||
{
|
||||
const unsigned char* rowBitmapData = blockBitmapData;
|
||||
for(int px = 0; px < 8; ++px)
|
||||
{
|
||||
unsigned char pixel = *rowBitmapData++;
|
||||
modulationData = BitUtility::RotateRight(modulationData | (pixel >> 7), 1);
|
||||
}
|
||||
blockBitmapData += size;
|
||||
}
|
||||
packet->modulationData = modulationData;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void PvrTcEncoder::EncodeAlpha4Bpp(void* result, const AlphaBitmap& bitmap)
|
||||
{
|
||||
int size = bitmap.GetBitmapWidth();
|
||||
assert(size == bitmap.GetBitmapHeight());
|
||||
assert(BitUtility::IsPowerOf2(size));
|
||||
|
||||
// Blocks in each dimension.
|
||||
int blocks = size/4;
|
||||
|
||||
const unsigned char* bitmapData = bitmap.GetRawData();
|
||||
|
||||
PvrTcPacket* packets = static_cast<PvrTcPacket*>(result);
|
||||
for(int y = 0; y < blocks; ++y)
|
||||
{
|
||||
for(int x = 0; x < blocks; ++x)
|
||||
{
|
||||
PvrTcPacket* packet = packets + GetMortonNumber(x, y);
|
||||
packet->usePunchthroughAlpha = 0;
|
||||
packet->colorAIsOpaque = 0;
|
||||
packet->colorA = 0x7ff; // White, with 0 alpha
|
||||
packet->colorBIsOpaque = 1;
|
||||
packet->colorB = 0x7fff; // White with full alpha
|
||||
|
||||
const unsigned char* blockBitmapData = &bitmapData[(y*size + x)*4];
|
||||
|
||||
uint32_t modulationData = 0;
|
||||
for(int py = 0; py < 4; ++py)
|
||||
{
|
||||
const unsigned char* rowBitmapData = blockBitmapData;
|
||||
for(int px = 0; px < 4; ++px)
|
||||
{
|
||||
unsigned char pixel = *rowBitmapData++;
|
||||
modulationData = BitUtility::RotateRight(modulationData | MODULATION_LUT[pixel>>4], 2);
|
||||
}
|
||||
blockBitmapData += size;
|
||||
}
|
||||
packet->modulationData = modulationData;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//============================================================================
|
||||
|
||||
typedef Interval<ColorRgb<unsigned char> > ColorRgbBoundingBox;
|
||||
|
||||
static void CalculateBoundingBox(ColorRgbBoundingBox& cbb, const RgbBitmap& bitmap, int blockX, int blockY)
|
||||
{
|
||||
int size = bitmap.GetBitmapWidth();
|
||||
const ColorRgb<unsigned char>* data = bitmap.GetData() + blockY * 4 * size + blockX * 4;
|
||||
|
||||
cbb.min = data[0];
|
||||
cbb.max = data[0];
|
||||
cbb |= data[1];
|
||||
cbb |= data[2];
|
||||
cbb |= data[3];
|
||||
|
||||
cbb |= data[size];
|
||||
cbb |= data[size+1];
|
||||
cbb |= data[size+2];
|
||||
cbb |= data[size+3];
|
||||
|
||||
cbb |= data[2*size];
|
||||
cbb |= data[2*size+1];
|
||||
cbb |= data[2*size+2];
|
||||
cbb |= data[2*size+3];
|
||||
|
||||
cbb |= data[3*size];
|
||||
cbb |= data[3*size+1];
|
||||
cbb |= data[3*size+2];
|
||||
cbb |= data[3*size+3];
|
||||
}
|
||||
|
||||
void PvrTcEncoder::EncodeRgb4Bpp(void* result, const RgbBitmap& bitmap)
|
||||
{
|
||||
assert(bitmap.GetBitmapWidth() == bitmap.GetBitmapHeight());
|
||||
assert(BitUtility::IsPowerOf2(bitmap.GetBitmapWidth()));
|
||||
const int size = bitmap.GetBitmapWidth();
|
||||
const int blocks = size / 4;
|
||||
const int blockMask = blocks-1;
|
||||
|
||||
PvrTcPacket* packets = static_cast<PvrTcPacket*>(result);
|
||||
|
||||
for(int y = 0; y < blocks; ++y)
|
||||
{
|
||||
for(int x = 0; x < blocks; ++x)
|
||||
{
|
||||
ColorRgbBoundingBox cbb;
|
||||
CalculateBoundingBox(cbb, bitmap, x, y);
|
||||
PvrTcPacket* packet = packets + GetMortonNumber(x, y);
|
||||
packet->usePunchthroughAlpha = 0;
|
||||
packet->SetColorA(cbb.min);
|
||||
packet->SetColorB(cbb.max);
|
||||
}
|
||||
}
|
||||
|
||||
for(int y = 0; y < blocks; ++y)
|
||||
{
|
||||
for(int x = 0; x < blocks; ++x)
|
||||
{
|
||||
const unsigned char (*factor)[4] = PvrTcPacket::BILINEAR_FACTORS;
|
||||
const ColorRgb<unsigned char>* data = bitmap.GetData() + y * 4 * size + x * 4;
|
||||
|
||||
uint32_t modulationData = 0;
|
||||
|
||||
for(int py = 0; py < 4; ++py)
|
||||
{
|
||||
const int yOffset = (py < 2) ? -1 : 0;
|
||||
const int y0 = (y + yOffset) & blockMask;
|
||||
const int y1 = (y0+1) & blockMask;
|
||||
|
||||
for(int px = 0; px < 4; ++px)
|
||||
{
|
||||
const int xOffset = (px < 2) ? -1 : 0;
|
||||
const int x0 = (x + xOffset) & blockMask;
|
||||
const int x1 = (x0+1) & blockMask;
|
||||
|
||||
const PvrTcPacket* p0 = packets + GetMortonNumber(x0, y0);
|
||||
const PvrTcPacket* p1 = packets + GetMortonNumber(x1, y0);
|
||||
const PvrTcPacket* p2 = packets + GetMortonNumber(x0, y1);
|
||||
const PvrTcPacket* p3 = packets + GetMortonNumber(x1, y1);
|
||||
|
||||
ColorRgb<int> ca = p0->GetColorRgbA() * (*factor)[0] +
|
||||
p1->GetColorRgbA() * (*factor)[1] +
|
||||
p2->GetColorRgbA() * (*factor)[2] +
|
||||
p3->GetColorRgbA() * (*factor)[3];
|
||||
|
||||
ColorRgb<int> cb = p0->GetColorRgbB() * (*factor)[0] +
|
||||
p1->GetColorRgbB() * (*factor)[1] +
|
||||
p2->GetColorRgbB() * (*factor)[2] +
|
||||
p3->GetColorRgbB() * (*factor)[3];
|
||||
|
||||
const ColorRgb<unsigned char>& pixel = data[py*size + px];
|
||||
ColorRgb<int> d = cb - ca;
|
||||
ColorRgb<int> p;
|
||||
p.r=pixel.r*16;
|
||||
p.g=pixel.g*16;
|
||||
p.b=pixel.b*16;
|
||||
ColorRgb<int> v = p - ca;
|
||||
|
||||
// PVRTC uses weightings of 0, 3/8, 5/8 and 1
|
||||
// The boundaries for these are 3/16, 1/2 (=8/16), 13/16
|
||||
int projection = (v % d) * 16;
|
||||
int lengthSquared = d % d;
|
||||
if(projection > 3*lengthSquared) modulationData++;
|
||||
if(projection > 8*lengthSquared) modulationData++;
|
||||
if(projection > 13*lengthSquared) modulationData++;
|
||||
|
||||
modulationData = BitUtility::RotateRight(modulationData, 2);
|
||||
|
||||
factor++;
|
||||
}
|
||||
}
|
||||
|
||||
PvrTcPacket* packet = packets + GetMortonNumber(x, y);
|
||||
packet->modulationData = modulationData;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//============================================================================
|
||||
|
||||
static void CalculateBoundingBox(ColorRgbBoundingBox& cbb, const RgbaBitmap& bitmap, int blockX, int blockY)
|
||||
{
|
||||
int size = bitmap.GetBitmapWidth();
|
||||
const ColorRgba<unsigned char>* data = bitmap.GetData() + blockY * 4 * size + blockX * 4;
|
||||
|
||||
cbb.min = data[0];
|
||||
cbb.max = data[0];
|
||||
|
||||
cbb |= data[1];
|
||||
cbb |= data[2];
|
||||
cbb |= data[3];
|
||||
|
||||
cbb |= data[size];
|
||||
cbb |= data[size+1];
|
||||
cbb |= data[size+2];
|
||||
cbb |= data[size+3];
|
||||
|
||||
cbb |= data[2*size];
|
||||
cbb |= data[2*size+1];
|
||||
cbb |= data[2*size+2];
|
||||
cbb |= data[2*size+3];
|
||||
|
||||
cbb |= data[3*size];
|
||||
cbb |= data[3*size+1];
|
||||
cbb |= data[3*size+2];
|
||||
cbb |= data[3*size+3];
|
||||
}
|
||||
|
||||
void PvrTcEncoder::EncodeRgb4Bpp(void* result, const RgbaBitmap& bitmap)
|
||||
{
|
||||
assert(bitmap.GetBitmapWidth() == bitmap.GetBitmapHeight());
|
||||
assert(BitUtility::IsPowerOf2(bitmap.GetBitmapWidth()));
|
||||
const int size = bitmap.GetBitmapWidth();
|
||||
const int blocks = size / 4;
|
||||
const int blockMask = blocks-1;
|
||||
|
||||
PvrTcPacket* packets = static_cast<PvrTcPacket*>(result);
|
||||
|
||||
for(int y = 0; y < blocks; ++y)
|
||||
{
|
||||
for(int x = 0; x < blocks; ++x)
|
||||
{
|
||||
ColorRgbBoundingBox cbb;
|
||||
CalculateBoundingBox(cbb, bitmap, x, y);
|
||||
PvrTcPacket* packet = packets + GetMortonNumber(x, y);
|
||||
packet->usePunchthroughAlpha = 0;
|
||||
packet->SetColorA(cbb.min);
|
||||
packet->SetColorB(cbb.max);
|
||||
}
|
||||
}
|
||||
|
||||
for(int y = 0; y < blocks; ++y)
|
||||
{
|
||||
for(int x = 0; x < blocks; ++x)
|
||||
{
|
||||
const unsigned char (*factor)[4] = PvrTcPacket::BILINEAR_FACTORS;
|
||||
const ColorRgba<unsigned char>* data = bitmap.GetData() + y * 4 * size + x * 4;
|
||||
|
||||
uint32_t modulationData = 0;
|
||||
|
||||
for(int py = 0; py < 4; ++py)
|
||||
{
|
||||
const int yOffset = (py < 2) ? -1 : 0;
|
||||
const int y0 = (y + yOffset) & blockMask;
|
||||
const int y1 = (y0+1) & blockMask;
|
||||
|
||||
for(int px = 0; px < 4; ++px)
|
||||
{
|
||||
const int xOffset = (px < 2) ? -1 : 0;
|
||||
const int x0 = (x + xOffset) & blockMask;
|
||||
const int x1 = (x0+1) & blockMask;
|
||||
|
||||
const PvrTcPacket* p0 = packets + GetMortonNumber(x0, y0);
|
||||
const PvrTcPacket* p1 = packets + GetMortonNumber(x1, y0);
|
||||
const PvrTcPacket* p2 = packets + GetMortonNumber(x0, y1);
|
||||
const PvrTcPacket* p3 = packets + GetMortonNumber(x1, y1);
|
||||
|
||||
ColorRgb<int> ca = p0->GetColorRgbA() * (*factor)[0] +
|
||||
p1->GetColorRgbA() * (*factor)[1] +
|
||||
p2->GetColorRgbA() * (*factor)[2] +
|
||||
p3->GetColorRgbA() * (*factor)[3];
|
||||
|
||||
ColorRgb<int> cb = p0->GetColorRgbB() * (*factor)[0] +
|
||||
p1->GetColorRgbB() * (*factor)[1] +
|
||||
p2->GetColorRgbB() * (*factor)[2] +
|
||||
p3->GetColorRgbB() * (*factor)[3];
|
||||
|
||||
const ColorRgb<unsigned char>& pixel = data[py*size + px];
|
||||
ColorRgb<int> d = cb - ca;
|
||||
ColorRgb<int> p;
|
||||
p.r=pixel.r*16;
|
||||
p.g=pixel.g*16;
|
||||
p.b=pixel.b*16;
|
||||
ColorRgb<int> v = p - ca;
|
||||
|
||||
// PVRTC uses weightings of 0, 3/8, 5/8 and 1
|
||||
// The boundaries for these are 3/16, 1/2 (=8/16), 13/16
|
||||
int projection = (v % d) * 16;
|
||||
int lengthSquared = d % d;
|
||||
if(projection > 3*lengthSquared) modulationData++;
|
||||
if(projection > 8*lengthSquared) modulationData++;
|
||||
if(projection > 13*lengthSquared) modulationData++;
|
||||
|
||||
modulationData = BitUtility::RotateRight(modulationData, 2);
|
||||
|
||||
factor++;
|
||||
}
|
||||
}
|
||||
|
||||
PvrTcPacket* packet = packets + GetMortonNumber(x, y);
|
||||
packet->modulationData = modulationData;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//============================================================================
|
||||
|
||||
typedef Interval<ColorRgba<unsigned char> > ColorRgbaBoundingBox;
|
||||
|
||||
static void CalculateBoundingBox(ColorRgbaBoundingBox& cbb, const RgbaBitmap& bitmap, int blockX, int blockY)
|
||||
{
|
||||
int size = bitmap.GetBitmapWidth();
|
||||
const ColorRgba<unsigned char>* data = bitmap.GetData() + blockY * 4 * size + blockX * 4;
|
||||
|
||||
cbb.min = data[0];
|
||||
cbb.max = data[0];
|
||||
|
||||
cbb |= data[1];
|
||||
cbb |= data[2];
|
||||
cbb |= data[3];
|
||||
|
||||
cbb |= data[size];
|
||||
cbb |= data[size+1];
|
||||
cbb |= data[size+2];
|
||||
cbb |= data[size+3];
|
||||
|
||||
cbb |= data[2*size];
|
||||
cbb |= data[2*size+1];
|
||||
cbb |= data[2*size+2];
|
||||
cbb |= data[2*size+3];
|
||||
|
||||
cbb |= data[3*size];
|
||||
cbb |= data[3*size+1];
|
||||
cbb |= data[3*size+2];
|
||||
cbb |= data[3*size+3];
|
||||
}
|
||||
|
||||
void PvrTcEncoder::EncodeRgba4Bpp(void* result, const RgbaBitmap& bitmap)
|
||||
{
|
||||
assert(bitmap.GetBitmapWidth() == bitmap.GetBitmapHeight());
|
||||
assert(BitUtility::IsPowerOf2(bitmap.GetBitmapWidth()));
|
||||
const int size = bitmap.GetBitmapWidth();
|
||||
const int blocks = size / 4;
|
||||
const int blockMask = blocks-1;
|
||||
|
||||
PvrTcPacket* packets = static_cast<PvrTcPacket*>(result);
|
||||
|
||||
for(int y = 0; y < blocks; ++y)
|
||||
{
|
||||
for(int x = 0; x < blocks; ++x)
|
||||
{
|
||||
ColorRgbaBoundingBox cbb;
|
||||
CalculateBoundingBox(cbb, bitmap, x, y);
|
||||
PvrTcPacket* packet = packets + GetMortonNumber(x, y);
|
||||
packet->usePunchthroughAlpha = 0;
|
||||
packet->SetColorA(cbb.min);
|
||||
packet->SetColorB(cbb.max);
|
||||
}
|
||||
}
|
||||
|
||||
for(int y = 0; y < blocks; ++y)
|
||||
{
|
||||
for(int x = 0; x < blocks; ++x)
|
||||
{
|
||||
const unsigned char (*factor)[4] = PvrTcPacket::BILINEAR_FACTORS;
|
||||
const ColorRgba<unsigned char>* data = bitmap.GetData() + y * 4 * size + x * 4;
|
||||
|
||||
uint32_t modulationData = 0;
|
||||
|
||||
for(int py = 0; py < 4; ++py)
|
||||
{
|
||||
const int yOffset = (py < 2) ? -1 : 0;
|
||||
const int y0 = (y + yOffset) & blockMask;
|
||||
const int y1 = (y0+1) & blockMask;
|
||||
|
||||
for(int px = 0; px < 4; ++px)
|
||||
{
|
||||
const int xOffset = (px < 2) ? -1 : 0;
|
||||
const int x0 = (x + xOffset) & blockMask;
|
||||
const int x1 = (x0+1) & blockMask;
|
||||
|
||||
const PvrTcPacket* p0 = packets + GetMortonNumber(x0, y0);
|
||||
const PvrTcPacket* p1 = packets + GetMortonNumber(x1, y0);
|
||||
const PvrTcPacket* p2 = packets + GetMortonNumber(x0, y1);
|
||||
const PvrTcPacket* p3 = packets + GetMortonNumber(x1, y1);
|
||||
|
||||
ColorRgba<int> ca = p0->GetColorRgbaA() * (*factor)[0] +
|
||||
p1->GetColorRgbaA() * (*factor)[1] +
|
||||
p2->GetColorRgbaA() * (*factor)[2] +
|
||||
p3->GetColorRgbaA() * (*factor)[3];
|
||||
|
||||
ColorRgba<int> cb = p0->GetColorRgbaB() * (*factor)[0] +
|
||||
p1->GetColorRgbaB() * (*factor)[1] +
|
||||
p2->GetColorRgbaB() * (*factor)[2] +
|
||||
p3->GetColorRgbaB() * (*factor)[3];
|
||||
|
||||
const ColorRgba<unsigned char>& pixel = data[py*size + px];
|
||||
ColorRgba<int> d = cb - ca;
|
||||
ColorRgba<int> p;
|
||||
p.r=pixel.r*16;
|
||||
p.g=pixel.g*16;
|
||||
p.b=pixel.b*16;
|
||||
p.a=pixel.a*16;
|
||||
ColorRgba<int> v = p - ca;
|
||||
|
||||
// PVRTC uses weightings of 0, 3/8, 5/8 and 1
|
||||
// The boundaries for these are 3/16, 1/2 (=8/16), 13/16
|
||||
int projection = (v % d) * 16;
|
||||
int lengthSquared = d % d;
|
||||
if(projection > 3*lengthSquared) modulationData++;
|
||||
if(projection > 8*lengthSquared) modulationData++;
|
||||
if(projection > 13*lengthSquared) modulationData++;
|
||||
|
||||
modulationData = BitUtility::RotateRight(modulationData, 2);
|
||||
|
||||
factor++;
|
||||
}
|
||||
}
|
||||
|
||||
PvrTcPacket* packet = packets + GetMortonNumber(x, y);
|
||||
packet->modulationData = modulationData;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//============================================================================
|
||||
40
thirdparty/pvrtccompressor/PvrTcEncoder.h
vendored
Normal file
40
thirdparty/pvrtccompressor/PvrTcEncoder.h
vendored
Normal file
@@ -0,0 +1,40 @@
|
||||
//============================================================================
|
||||
|
||||
#pragma once
|
||||
#include "ColorRgba.h"
|
||||
|
||||
//============================================================================
|
||||
|
||||
namespace Javelin
|
||||
{
|
||||
//============================================================================
|
||||
|
||||
class AlphaBitmap;
|
||||
class RgbBitmap;
|
||||
class RgbaBitmap;
|
||||
|
||||
class PvrTcEncoder
|
||||
{
|
||||
public:
|
||||
// Result must be large enough for bitmap.GetArea()/4 bytes
|
||||
static void EncodeAlpha2Bpp(void* result, const AlphaBitmap& bitmap);
|
||||
|
||||
// Result must be large enough for bitmap.GetArea()/2 bytes
|
||||
static void EncodeAlpha4Bpp(void* result, const AlphaBitmap& bitmap);
|
||||
|
||||
// Result must be large enough for bitmap.GetArea()/2 bytes
|
||||
static void EncodeRgb4Bpp(void* result, const RgbBitmap& bitmap);
|
||||
|
||||
// Result must be large enough for bitmap.GetArea()/2 bytes
|
||||
static void EncodeRgb4Bpp(void* result, const RgbaBitmap& bitmap);
|
||||
|
||||
// Result must be large enough for bitmap.GetArea()/2 bytes
|
||||
static void EncodeRgba4Bpp(void* result, const RgbaBitmap& bitmap);
|
||||
|
||||
private:
|
||||
static unsigned GetMortonNumber(int x, int y);
|
||||
};
|
||||
|
||||
//============================================================================
|
||||
}
|
||||
//============================================================================
|
||||
209
thirdparty/pvrtccompressor/PvrTcPacket.cpp
vendored
Normal file
209
thirdparty/pvrtccompressor/PvrTcPacket.cpp
vendored
Normal file
@@ -0,0 +1,209 @@
|
||||
//============================================================================
|
||||
|
||||
#include "PvrTcPacket.h"
|
||||
#include "BitScale.h"
|
||||
|
||||
//============================================================================
|
||||
|
||||
using namespace Javelin;
|
||||
|
||||
//============================================================================
|
||||
|
||||
const unsigned char PvrTcPacket::BILINEAR_FACTORS[16][4] =
|
||||
{
|
||||
{ 4, 4, 4, 4 },
|
||||
{ 2, 6, 2, 6 },
|
||||
{ 8, 0, 8, 0 },
|
||||
{ 6, 2, 6, 2 },
|
||||
|
||||
{ 2, 2, 6, 6 },
|
||||
{ 1, 3, 3, 9 },
|
||||
{ 4, 0, 12, 0 },
|
||||
{ 3, 1, 9, 3 },
|
||||
|
||||
{ 8, 8, 0, 0 },
|
||||
{ 4, 12, 0, 0 },
|
||||
{ 16, 0, 0, 0 },
|
||||
{ 12, 4, 0, 0 },
|
||||
|
||||
{ 6, 6, 2, 2 },
|
||||
{ 3, 9, 1, 3 },
|
||||
{ 12, 0, 4, 0 },
|
||||
{ 9, 3, 3, 1 },
|
||||
};
|
||||
|
||||
// Weights are { colorA, colorB, alphaA, alphaB }
|
||||
const unsigned char PvrTcPacket::WEIGHTS[8][4] =
|
||||
{
|
||||
// Weights for Mode=0
|
||||
{ 8, 0, 8, 0 },
|
||||
{ 5, 3, 5, 3 },
|
||||
{ 3, 5, 3, 5 },
|
||||
{ 0, 8, 0, 8 },
|
||||
|
||||
// Weights for Mode=1
|
||||
{ 8, 0, 8, 0 },
|
||||
{ 4, 4, 4, 4 },
|
||||
{ 4, 4, 0, 0 },
|
||||
{ 0, 8, 0, 8 },
|
||||
};
|
||||
|
||||
//============================================================================
|
||||
|
||||
ColorRgb<int> PvrTcPacket::GetColorRgbA() const
|
||||
{
|
||||
if(colorAIsOpaque)
|
||||
{
|
||||
unsigned char r = colorA >> 9;
|
||||
unsigned char g = colorA >> 4 & 0x1f;
|
||||
unsigned char b = colorA & 0xf;
|
||||
return ColorRgb<int>(Data::BITSCALE_5_TO_8[r],
|
||||
Data::BITSCALE_5_TO_8[g],
|
||||
Data::BITSCALE_4_TO_8[b]);
|
||||
}
|
||||
else
|
||||
{
|
||||
unsigned char r = (colorA >> 7) & 0xf;
|
||||
unsigned char g = (colorA >> 3) & 0xf;
|
||||
unsigned char b = colorA & 7;
|
||||
return ColorRgb<int>(Data::BITSCALE_4_TO_8[r],
|
||||
Data::BITSCALE_4_TO_8[g],
|
||||
Data::BITSCALE_3_TO_8[b]);
|
||||
}
|
||||
}
|
||||
|
||||
ColorRgb<int> PvrTcPacket::GetColorRgbB() const
|
||||
{
|
||||
if(colorBIsOpaque)
|
||||
{
|
||||
unsigned char r = colorB >> 10;
|
||||
unsigned char g = colorB >> 5 & 0x1f;
|
||||
unsigned char b = colorB & 0x1f;
|
||||
return ColorRgb<int>(Data::BITSCALE_5_TO_8[r],
|
||||
Data::BITSCALE_5_TO_8[g],
|
||||
Data::BITSCALE_5_TO_8[b]);
|
||||
}
|
||||
else
|
||||
{
|
||||
unsigned char r = colorB >> 8 & 0xf;
|
||||
unsigned char g = colorB >> 4 & 0xf;
|
||||
unsigned char b = colorB & 0xf;
|
||||
return ColorRgb<int>(Data::BITSCALE_4_TO_8[r],
|
||||
Data::BITSCALE_4_TO_8[g],
|
||||
Data::BITSCALE_4_TO_8[b]);
|
||||
}
|
||||
}
|
||||
|
||||
ColorRgba<int> PvrTcPacket::GetColorRgbaA() const
|
||||
{
|
||||
if(colorAIsOpaque)
|
||||
{
|
||||
unsigned char r = colorA >> 9;
|
||||
unsigned char g = colorA >> 4 & 0x1f;
|
||||
unsigned char b = colorA & 0xf;
|
||||
return ColorRgba<int>(Data::BITSCALE_5_TO_8[r],
|
||||
Data::BITSCALE_5_TO_8[g],
|
||||
Data::BITSCALE_4_TO_8[b],
|
||||
255);
|
||||
}
|
||||
else
|
||||
{
|
||||
unsigned char a = colorA >> 11 & 7;
|
||||
unsigned char r = colorA >> 7 & 0xf;
|
||||
unsigned char g = colorA >> 3 & 0xf;
|
||||
unsigned char b = colorA & 7;
|
||||
return ColorRgba<int>(Data::BITSCALE_4_TO_8[r],
|
||||
Data::BITSCALE_4_TO_8[g],
|
||||
Data::BITSCALE_3_TO_8[b],
|
||||
Data::BITSCALE_3_TO_8[a]);
|
||||
}
|
||||
}
|
||||
|
||||
ColorRgba<int> PvrTcPacket::GetColorRgbaB() const
|
||||
{
|
||||
if(colorBIsOpaque)
|
||||
{
|
||||
unsigned char r = colorB >> 10;
|
||||
unsigned char g = colorB >> 5 & 0x1f;
|
||||
unsigned char b = colorB & 0x1f;
|
||||
return ColorRgba<int>(Data::BITSCALE_5_TO_8[r],
|
||||
Data::BITSCALE_5_TO_8[g],
|
||||
Data::BITSCALE_5_TO_8[b],
|
||||
255);
|
||||
}
|
||||
else
|
||||
{
|
||||
unsigned char a = colorB >> 12 & 7;
|
||||
unsigned char r = colorB >> 8 & 0xf;
|
||||
unsigned char g = colorB >> 4 & 0xf;
|
||||
unsigned char b = colorB & 0xf;
|
||||
return ColorRgba<int>(Data::BITSCALE_4_TO_8[r],
|
||||
Data::BITSCALE_4_TO_8[g],
|
||||
Data::BITSCALE_4_TO_8[b],
|
||||
Data::BITSCALE_3_TO_8[a]);
|
||||
}
|
||||
}
|
||||
|
||||
//============================================================================
|
||||
|
||||
void PvrTcPacket::SetColorA(const ColorRgb<unsigned char>& c)
|
||||
{
|
||||
int r = Data::BITSCALE_8_TO_5_FLOOR[c.r];
|
||||
int g = Data::BITSCALE_8_TO_5_FLOOR[c.g];
|
||||
int b = Data::BITSCALE_8_TO_4_FLOOR[c.b];
|
||||
colorA = r<<9 | g<<4 | b;
|
||||
colorAIsOpaque = true;
|
||||
}
|
||||
|
||||
void PvrTcPacket::SetColorB(const ColorRgb<unsigned char>& c)
|
||||
{
|
||||
int r = Data::BITSCALE_8_TO_5_CEIL[c.r];
|
||||
int g = Data::BITSCALE_8_TO_5_CEIL[c.g];
|
||||
int b = Data::BITSCALE_8_TO_5_CEIL[c.b];
|
||||
colorB = r<<10 | g<<5 | b;
|
||||
colorBIsOpaque = true;
|
||||
}
|
||||
|
||||
void PvrTcPacket::SetColorA(const ColorRgba<unsigned char>& c)
|
||||
{
|
||||
int a = Data::BITSCALE_8_TO_3_FLOOR[c.a];
|
||||
if(a == 7)
|
||||
{
|
||||
int r = Data::BITSCALE_8_TO_5_FLOOR[c.r];
|
||||
int g = Data::BITSCALE_8_TO_5_FLOOR[c.g];
|
||||
int b = Data::BITSCALE_8_TO_4_FLOOR[c.b];
|
||||
colorA = r<<9 | g<<4 | b;
|
||||
colorAIsOpaque = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
int r = Data::BITSCALE_8_TO_4_FLOOR[c.r];
|
||||
int g = Data::BITSCALE_8_TO_4_FLOOR[c.g];
|
||||
int b = Data::BITSCALE_8_TO_3_FLOOR[c.b];
|
||||
colorA = a<<11 | r<<7 | g<<3 | b;
|
||||
colorAIsOpaque = false;
|
||||
}
|
||||
}
|
||||
|
||||
void PvrTcPacket::SetColorB(const ColorRgba<unsigned char>& c)
|
||||
{
|
||||
int a = Data::BITSCALE_8_TO_3_CEIL[c.a];
|
||||
if(a == 7)
|
||||
{
|
||||
int r = Data::BITSCALE_8_TO_5_CEIL[c.r];
|
||||
int g = Data::BITSCALE_8_TO_5_CEIL[c.g];
|
||||
int b = Data::BITSCALE_8_TO_5_CEIL[c.b];
|
||||
colorB = r<<10 | g<<5 | b;
|
||||
colorBIsOpaque = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
int r = Data::BITSCALE_8_TO_4_CEIL[c.r];
|
||||
int g = Data::BITSCALE_8_TO_4_CEIL[c.g];
|
||||
int b = Data::BITSCALE_8_TO_4_CEIL[c.b];
|
||||
colorB = a<<12 | r<<8 | g<<4 | b;
|
||||
colorBIsOpaque = false;
|
||||
}
|
||||
}
|
||||
|
||||
//============================================================================
|
||||
65
thirdparty/pvrtccompressor/PvrTcPacket.h
vendored
Normal file
65
thirdparty/pvrtccompressor/PvrTcPacket.h
vendored
Normal file
@@ -0,0 +1,65 @@
|
||||
//============================================================================
|
||||
//
|
||||
// Modulation data specifies weightings of colorA to colorB for each pixel
|
||||
//
|
||||
// For mode = 0
|
||||
// 00: 0/8
|
||||
// 01: 3/8
|
||||
// 10: 5/8
|
||||
// 11: 8/8
|
||||
//
|
||||
// For mode = 1
|
||||
// 00: 0/8
|
||||
// 01: 4/8
|
||||
// 10: 4/8 with alpha punchthrough
|
||||
// 11: 8/8
|
||||
//
|
||||
// For colorIsOpaque=0
|
||||
// 3 bits A
|
||||
// 4 bits R
|
||||
// 4 bits G
|
||||
// 3/4 bits B
|
||||
//
|
||||
// For colorIsOpaque=1
|
||||
// 5 bits R
|
||||
// 5 bits G
|
||||
// 4/5 bits B
|
||||
//
|
||||
//============================================================================
|
||||
|
||||
#pragma once
|
||||
#include "ColorRgba.h"
|
||||
|
||||
//============================================================================
|
||||
|
||||
namespace Javelin
|
||||
{
|
||||
//============================================================================
|
||||
|
||||
struct PvrTcPacket
|
||||
{
|
||||
unsigned int modulationData;
|
||||
unsigned usePunchthroughAlpha : 1;
|
||||
unsigned colorA : 14;
|
||||
unsigned colorAIsOpaque : 1;
|
||||
unsigned colorB : 15;
|
||||
unsigned colorBIsOpaque : 1;
|
||||
|
||||
ColorRgb<int> GetColorRgbA() const;
|
||||
ColorRgb<int> GetColorRgbB() const;
|
||||
ColorRgba<int> GetColorRgbaA() const;
|
||||
ColorRgba<int> GetColorRgbaB() const;
|
||||
|
||||
void SetColorA(const ColorRgb<unsigned char>& c);
|
||||
void SetColorB(const ColorRgb<unsigned char>& c);
|
||||
|
||||
void SetColorA(const ColorRgba<unsigned char>& c);
|
||||
void SetColorB(const ColorRgba<unsigned char>& c);
|
||||
|
||||
static const unsigned char BILINEAR_FACTORS[16][4];
|
||||
static const unsigned char WEIGHTS[8][4];
|
||||
};
|
||||
|
||||
//============================================================================
|
||||
} // namespace Javelin
|
||||
//============================================================================
|
||||
23
thirdparty/pvrtccompressor/RgbBitmap.h
vendored
Normal file
23
thirdparty/pvrtccompressor/RgbBitmap.h
vendored
Normal file
@@ -0,0 +1,23 @@
|
||||
#pragma once
|
||||
|
||||
#include "Bitmap.h"
|
||||
#include "ColorRgba.h"
|
||||
|
||||
namespace Javelin {
|
||||
|
||||
class RgbBitmap : public Bitmap {
|
||||
public:
|
||||
RgbBitmap(int w, int h)
|
||||
: Bitmap(w, h, 3) {
|
||||
}
|
||||
|
||||
const ColorRgb<unsigned char> *GetData() const {
|
||||
return reinterpret_cast<ColorRgb<unsigned char> *>(data);
|
||||
}
|
||||
|
||||
ColorRgb<unsigned char> *GetData() {
|
||||
return reinterpret_cast<ColorRgb<unsigned char> *>(data);
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
23
thirdparty/pvrtccompressor/RgbaBitmap.h
vendored
Normal file
23
thirdparty/pvrtccompressor/RgbaBitmap.h
vendored
Normal file
@@ -0,0 +1,23 @@
|
||||
#pragma once
|
||||
|
||||
#include "ColorRgba.h"
|
||||
#include "Bitmap.h"
|
||||
|
||||
namespace Javelin {
|
||||
|
||||
class RgbaBitmap : public Bitmap {
|
||||
public:
|
||||
RgbaBitmap(int w, int h)
|
||||
: Bitmap(w, h, 4) {
|
||||
}
|
||||
|
||||
const ColorRgba<unsigned char> *GetData() const {
|
||||
return reinterpret_cast<ColorRgba<unsigned char> *>(data);
|
||||
}
|
||||
|
||||
ColorRgba<unsigned char> *GetData() {
|
||||
return reinterpret_cast<ColorRgba<unsigned char> *>(data);
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
2446
thirdparty/rg-etc1/rg_etc1.cpp
vendored
Normal file
2446
thirdparty/rg-etc1/rg_etc1.cpp
vendored
Normal file
File diff suppressed because it is too large
Load Diff
76
thirdparty/rg-etc1/rg_etc1.h
vendored
Normal file
76
thirdparty/rg-etc1/rg_etc1.h
vendored
Normal file
@@ -0,0 +1,76 @@
|
||||
// File: rg_etc1.h - Fast, high quality ETC1 block packer/unpacker - Rich Geldreich <richgel99@gmail.com>
|
||||
// Please see ZLIB license at the end of this file.
|
||||
#pragma once
|
||||
|
||||
namespace rg_etc1
|
||||
{
|
||||
// Unpacks an 8-byte ETC1 compressed block to a block of 4x4 32bpp RGBA pixels.
|
||||
// Returns false if the block is invalid. Invalid blocks will still be unpacked with clamping.
|
||||
// This function is thread safe, and does not dynamically allocate any memory.
|
||||
// If preserve_alpha is true, the alpha channel of the destination pixels will not be overwritten. Otherwise, alpha will be set to 255.
|
||||
bool unpack_etc1_block(const void *pETC1_block, unsigned int* pDst_pixels_rgba, bool preserve_alpha = false);
|
||||
|
||||
// Quality setting = the higher the quality, the slower.
|
||||
// To pack large textures, it is highly recommended to call pack_etc1_block() in parallel, on different blocks, from multiple threads (particularly when using cHighQuality).
|
||||
enum etc1_quality
|
||||
{
|
||||
cLowQuality,
|
||||
cMediumQuality,
|
||||
cHighQuality,
|
||||
};
|
||||
|
||||
struct etc1_pack_params
|
||||
{
|
||||
etc1_quality m_quality;
|
||||
bool m_dithering;
|
||||
|
||||
inline etc1_pack_params()
|
||||
{
|
||||
clear();
|
||||
}
|
||||
|
||||
void clear()
|
||||
{
|
||||
m_quality = cHighQuality;
|
||||
m_dithering = false;
|
||||
}
|
||||
};
|
||||
|
||||
// Important: pack_etc1_block_init() must be called before calling pack_etc1_block().
|
||||
void pack_etc1_block_init();
|
||||
|
||||
// Packs a 4x4 block of 32bpp RGBA pixels to an 8-byte ETC1 block.
|
||||
// 32-bit RGBA pixels must always be arranged as (R,G,B,A) (R first, A last) in memory, independent of platform endianness. A should always be 255.
|
||||
// Returns squared error of result.
|
||||
// This function is thread safe, and does not dynamically allocate any memory.
|
||||
// pack_etc1_block() does not currently support "perceptual" colorspace metrics - it primarily optimizes for RGB RMSE.
|
||||
unsigned int pack_etc1_block(void* pETC1_block, const unsigned int* pSrc_pixels_rgba, etc1_pack_params& pack_params);
|
||||
|
||||
} // namespace rg_etc1
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
//
|
||||
// rg_etc1 uses the ZLIB license:
|
||||
// http://opensource.org/licenses/Zlib
|
||||
//
|
||||
// Copyright (c) 2012 Rich Geldreich
|
||||
//
|
||||
// This software is provided 'as-is', without any express or implied
|
||||
// warranty. In no event will the authors be held liable for any damages
|
||||
// arising from the use of this software.
|
||||
//
|
||||
// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it
|
||||
// freely, subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented; you must not
|
||||
// claim that you wrote the original software. If you use this software
|
||||
// in a product, an acknowledgment in the product documentation would be
|
||||
// appreciated but is not required.
|
||||
//
|
||||
// 2. Altered source versions must be plainly marked as such, and must not be
|
||||
// misrepresented as being the original software.
|
||||
//
|
||||
// 3. This notice may not be removed or altered from any source distribution.
|
||||
//
|
||||
//------------------------------------------------------------------------------
|
||||
Reference in New Issue
Block a user