libgui/source/video/shaders/ShaderFractalColor.cpp

/****************************************************************************
 * Copyright (C) 2015 Dimok
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ****************************************************************************/
#include <malloc.h>
#include <string.h>
#include <gui/video/shaders/ShaderFractalColor.h>

static const uint32_t cpVertexShaderProgram[] = {
        0x00000000, 0x00008009, 0x20000000, 0x0000eca1,
        0x00c00000, 0x88068093, 0x01400200, 0x9a048013,
        0x9c000000, 0x000044a0, 0x3c200000, 0x88060094,
        0x02400000, 0x88062014, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x0765a101, 0x9000e00f, 0x0761a101, 0x9000e02f,
        0x03001f00, 0x900c8040, 0x03041f80, 0x900c8060,
        0x076da101, 0x9000e04f, 0x0769a181, 0x9000e06f,
        0x0745a101, 0x9000c00f, 0x0741a181, 0x9000c02f,
        0x074da101, 0x9000c04f, 0x0749a181, 0x9000c06f,
        0x0bc9a000, 0x7f00e20f, 0x0bc92080, 0x7f04e22f,
        0x0bc9a001, 0x7f08e24f, 0x0bc92081, 0x7f0ce26f,
        0x0725a101, 0x9000a00f, 0x0721a181, 0x9000a02f,
        0x072da101, 0x9000a04f, 0x0729a181, 0x9000a06f,
        0x0ac9a000, 0x7e00c20f, 0x0ac92080, 0x7e04c22f,
        0x0ac9a001, 0x7e08c24f, 0x0ac92081, 0x7e0cc26f,
        0x0ba5a000, 0x7f00e20f, 0x0ba52080, 0x7f04e22f,
        0x0ba5a001, 0x7f08e24f, 0x0ba52081, 0x7f0ce26f,
        0x08eda000, 0x9000800f, 0x08ed2080, 0x9000802f,
        0x08eda001, 0x9000804f, 0x08ed2081, 0x9000806f,
        0x09c9a000, 0x7d00a20f, 0x09c92080, 0x7d04a22f,
        0x09c9a001, 0x7d08a24f, 0x09c92081, 0x7d0ca26f,
        0x0aa5a000, 0x7e00c20f, 0x0aa52080, 0x7e04c22f,
        0x0aa5a001, 0x7e08c24f, 0x0aa52081, 0x7e0cc26f,
        0x0b81a000, 0x7f006200, 0x0b812080, 0x7f046220,
        0x0b81a001, 0x7f080240, 0x0b812081, 0x7f0c0260,
        0x08c9a000, 0x7c00820f, 0x08c92080, 0x7c04822f,
        0x08c9a001, 0x7c08824f, 0x08c92081, 0x7c0c826f,
        0x09a5a000, 0x7d00a20f, 0x09a52080, 0x7d04a22f,
        0x09a5a001, 0x7d08a24f, 0x09a52081, 0x7d0ca26f,
        0x0a81a000, 0x7e008200, 0x0a812080, 0x7e048220,
        0x0a81a001, 0x7e086240, 0x0a812081, 0x7e0c4260,
        0x0340a001, 0x9000c00f, 0x0344a001, 0x9000c02f,
        0x0048a001, 0x9000c04f, 0x004ca001, 0x9000c06f,
        0x0364a081, 0x9000e02f, 0x0360a001, 0x9000e00f,
        0x0324a001, 0x90000020, 0x0068a001, 0x9000e04f,
        0x006ca001, 0x9000e06f, 0x0320a081, 0x90000000,
        0x08a5a000, 0x7c00820f, 0x08a52080, 0x7c04822f,
        0x08a5a001, 0x7c08824f, 0x08a52081, 0x7c0c826f,
        0x0981a000, 0x7d00a200, 0x09812080, 0x7d04a220,
        0x0981a001, 0x7d08a240, 0x09812081, 0x7d0c6260,
        0x02890000, 0x7e00c20f, 0x02898000, 0x7e04c22f,
        0x0028a001, 0x9000a04f, 0x002ca001, 0x9000c06f,
        0x02498081, 0x7e0caa6f, 0x03890000, 0x7f00e20f,
        0x03898000, 0x7f04e22f, 0x02690001, 0x7e08f64f,
        0x03498001, 0x7f0ce26f, 0x03690081, 0x7f08ca4f,
        0x0881a000, 0x7c00c200, 0x08812080, 0x7c04c220,
        0x0881a001, 0x7c08e240, 0x08812081, 0x7c0ca260,
        0x0300a001, 0x9000800f, 0x0304a001, 0x9000802f,
        0x0008a001, 0x9000804f, 0x000ca001, 0x9000806f,
        0x01898080, 0x0004aa2f, 0x01890000, 0x0000a20f,
        0x02a58000, 0x7e04c22f, 0x01690001, 0x7d08a24f,
        0x01498081, 0x7e0cc26f, 0x02a50000, 0x7e00f60f,
        0x03a58000, 0x7f04622f, 0x02a50001, 0x7f08e24f,
        0x02658001, 0x7d0ca26f, 0x03a50080, 0x7f00ca0f,
        0x00890000, 0x7c00820f, 0x00898000, 0x7c049220,
        0x03a50001, 0x7e08c24f, 0x03658001, 0x7f0ce26f,
        0x03c18080, 0xfe04862f, 0x01a50000, 0x7d008200,
        0x01a58000, 0x7d04622f, 0x00690001, 0x7c086240,
        0x00498081, 0x7c0c4260, 0x02c10000, 0x7f00e20f,
        0x02c18000, 0x7e04c62f, 0x01a50001, 0x7d080240,
        0x01658001, 0x7e0c0260, 0x01c18080, 0xfe040620,
        0x03c10000, 0x7e00620f, 0x03a18001, 0x7f0c622f,
        0x02e10001, 0x7f08764f, 0x02a18001, 0x7d0c766f,
        0x03e10081, 0x7e084a0f, 0x02e80f00, 0xfe000e00,
        0x02c88f00, 0x7c046220, 0x02c81f01, 0xff00c240,
        0x02c89f01, 0xfe04c260, 0x00a50080, 0x7c00aa00,
        0x01c10000, 0x0400760f, 0x00a58000, 0x0404622f,
        0x00a50001, 0x0308e24f, 0x00658001, 0x020c626f,
        0x00c10080, 0x0500ea0f, 0x02c41f00, 0x0000620f,
        0x00c18000, 0xfe04c22f, 0x01e10001, 0x0008624f,
        0x01a18001, 0x000c666f, 0x00a18081, 0xfe0ce66f,
        0x00e10001, 0x7f08620f, 0x02048000, 0x03046a2f,
        0x02c41f01, 0x06086a4f, 0x02c49f01, 0x060c6a6f,
        0x02e00f80, 0xfe000220, 0x02c08f00, 0xfe040200,
        0x02e08f01, 0xfe0c0240, 0x02c01f80, 0xfe080260,
        0x8aa480ad, 0x2bfc5ca6, 0xb5e05b5b, 0xd48dc71c
};

static const uint32_t cpVertexShaderRegs[] = {
        0x00000108, 0x00000000, 0x00000004, 0x00000001,
        0xff000201, 0xffffffff, 0xffffffff, 0xffffffff,
        0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
        0xffffffff, 0xffffffff, 0x00000000, 0xfffffff8,
        0x00000003, 0x00000001, 0x00000000, 0x00000002,
        0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff,
        0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff,
        0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff,
        0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff,
        0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff,
        0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff,
        0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff,
        0x000000ff, 0x00000000, 0x0000000e, 0x00000010
};

static const uint32_t cpPixelShaderProgram[] = {
        0x20000000, 0x000008a4, 0x04000000, 0x01004085,
        0x23000000, 0x0000eca1, 0x9f000000, 0x0000e0a8,
        0xd8000000, 0x000000a4, 0x07000000, 0x01004085,
        0xd9000000, 0x000048a8, 0xec000000, 0x000000a4,
        0x0a000000, 0x01004085, 0xed000000, 0x000050a8,
        0x02010000, 0x000030a0, 0x00000000, 0x88062094,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0xfd001f80, 0x900c0060, 0x0000803f, 0x00000000,
        0x03011f80, 0x8c210000, 0xfd001f00, 0x900c0000,
        0xfd001f00, 0x900ca02f, 0x00000002, 0x80020040,
        0x00048002, 0x80020060, 0xf8001f80, 0x900cc04f,
        0x0000803f, 0x00000000, 0xfea81f00, 0x9000e00f,
        0xfeac1f00, 0x9000e02f, 0xf8001f00, 0x900c804f,
        0xf8001f80, 0x900ca06f, 0x00000040, 0x00000000,
        0xfea01f00, 0x00280000, 0xfea41f00, 0x00280020,
        0xfe041f00, 0x00280040, 0xfd041f80, 0x00280060,
        0xaf67bb3e, 0x00000080, 0x7fc41f00, 0x00000000,
        0x7fc01f80, 0x00000020, 0xfe041f00, 0x100ac00f,
        0xfe001f80, 0x100ac02f, 0xfea01f00, 0x00280000,
        0xfea41f00, 0x00280020, 0xfe041f00, 0x00280040,
        0xfd041f00, 0x1028e06f, 0x7fc01f82, 0x00000000,
        0x8c65583e, 0x00000080, 0x7ea41f00, 0x80000000,
        0x7ea01f00, 0x80000020, 0xfee01f00, 0x10006040,
        0x7fc48f82, 0x00000860, 0xa7c4623b, 0x00000000,
        0xfea81f00, 0x1000e00f, 0x7fcc9f01, 0x10006020,
        0xfe001f00, 0x000a0040, 0xfe041f00, 0x000a0060,
        0xfea89f80, 0x10008040, 0x8c65583e, 0x3acd13bf,
        0xfeb81f00, 0x7e04c20f, 0xfebc1f00, 0x7e00822f,
        0x03c89f00, 0x80060040, 0xfea49f00, 0x1000e06f,
        0xfea41f81, 0x10006060, 0x00809043, 0x8c65583e,
        0x3acd13bf, 0x00000000, 0xfea81f00, 0xf880a30f,
        0xfe001f00, 0x900ca02f, 0x7dc41f00, 0x1000e04f,
        0xfe081f00, 0xfd80636f, 0x04081f80, 0x900c800f,
        0x0000803f, 0x00000000, 0xfea81f00, 0xf900620f,
        0xfea41f00, 0xf900622f, 0xfe0c1f00, 0x900ca04f,
        0xfec00f00, 0x1000c46f, 0xfefc0f80, 0x10006000,
        0x00000842, 0x00000000, 0xfeac1f00, 0xf900620f,
        0x7fc81f00, 0x9000c02f, 0x7dc49f00, 0x9000e04f,
        0x7df08f01, 0x10008060, 0x030c1f80, 0x900ca02f,
        0x00000842, 0x00000000, 0xfea41f00, 0x80000000,
        0x7ecc1f00, 0x9000e02f, 0x7e688000, 0x80000040,
        0xfea81f00, 0x80000060, 0x7d6c8081, 0x80000000,
        0xa7c4623b, 0x00000000, 0xfe001f00, 0x000a0000,
        0xfe0c1f00, 0x000a0020, 0xfea41f00, 0x80000040,
        0x03648000, 0xfe08626f, 0x7d648081, 0xff00420f,
        0xa7c4623b, 0x00000000, 0xfeb01f00, 0x7e04620f,
        0xfeb41f00, 0x7f08662f, 0x7c800001, 0xff006e4f,
        0xfe081f00, 0x000a0060, 0x03680081, 0xfe0c4e0f,
        0x00809043, 0x00000000, 0xfebc1f00, 0x7f04620f,
        0x7cc41f00, 0x00000020, 0x7cc49f00, 0x1000e04f,
        0xff901f00, 0x00000060, 0xfe981f80, 0x00000000,
        0x00809043, 0x00000000, 0xfea81f00, 0xf900620f,
        0x7cc41f00, 0x00000020, 0x00c09f00, 0x1000c04f,
        0xfe0c1f00, 0x80010060, 0xff001f80, 0x80010000,
        0x00000842, 0x00000000, 0xfea81f00, 0xf900620f,
        0xfecc9f01, 0x80000020, 0x7fc81f00, 0x9000e04f,
        0x7dc89f00, 0x1000c86f, 0xffe01f80, 0x80000000,
        0x00000842, 0x00000000, 0xfeac1f00, 0xf900620f,
        0x7ec81f00, 0x9000802f, 0xfec49f00, 0x9000a040,
        0xfea89f00, 0x80000060, 0xffe01f80, 0x9000a060,
        0x00000842, 0xa7c4623b, 0xfea41f00, 0x80000000,
        0x7ecc1f00, 0x9000e02f, 0xfe0c1f00, 0x000a0040,
        0x7c888081, 0x80000000, 0xa7c4623b, 0x00000000,
        0xfe001f00, 0x000a0000, 0xfeb81f00, 0x7f08622f,
        0xfea49f00, 0x80000040, 0x048c8081, 0xff00420f,
        0x00809043, 0xa7c4623b, 0xfeb01f00, 0x7c04620f,
        0x03600000, 0xff00622f, 0xfea49f00, 0x80000040,
        0xfe081f80, 0x000a0060, 0x00809043, 0x0ccec73c,
        0xfebc1f00, 0x7f040200, 0xfea09f00, 0x90000020,
        0xfe941f00, 0x10000040, 0xfe081f80, 0x30080060,
        0x00809043, 0x0ccec73c, 0x00041f00, 0x20080000,
        0x00a01f00, 0x80000020, 0x002c1f02, 0x1000e04f,
        0x00081f80, 0x80010060, 0x0ccec73c, 0x00000000,
        0xfe201f02, 0x1000800f, 0xfec81f03, 0x80020020,
        0xfe041f00, 0x20080040, 0xfe881f00, 0x00000060,
        0xfecc9f81, 0x9000a06f, 0xfe0c1f00, 0x000a0000,
        0xfe801f00, 0x00000020, 0xfec01f02, 0x80020040,
        0xfe281f02, 0x1000c06f, 0xfe841f82, 0x1000804f,
        0xfe041f00, 0x000a0000, 0x7fc81f02, 0x00000020,
        0xfe8c1f00, 0x00000040, 0xfecc9f03, 0x80020060,
        0xfe881f82, 0x1000a00f, 0x7cc01f02, 0x00000000,
        0xfe8c1f02, 0x1000e02f, 0xfec49f00, 0x80000040,
        0xfe081f00, 0x000a0060, 0x03c89f80, 0x9000e04f,
        0x7ecc9f03, 0x00000000, 0xfec01f00, 0x80000020,
        0x04c81f00, 0x80000040, 0x7c880f01, 0xfe086a6f,
        0x7dac8f81, 0x9000800f, 0x7da00f00, 0xfe04620f,
        0xfec01f00, 0x80000020, 0x03c01f00, 0x80000840,
        0x03ac0f00, 0xfe08c66f, 0xfebc9f80, 0xfd00420f,
        0xe07be53f, 0x5c8e5a3f, 0xfeb09f00, 0xfd00620f,
        0x05e81f00, 0x9000f02f, 0x7fe48f00, 0xfe04624f,
        0x04ec8f00, 0xfe08626f, 0x03840f81, 0x7f08a20f,
        0xe07be53f, 0x5c8e5a3f, 0x7e0c1f00, 0x900ce00f,
        0xfe0c1f00, 0x900c802f, 0x05cc1f00, 0x9000e84f,
        0xfeb89f80, 0xfd00626f, 0xe07be53f, 0x5c8e5a3f,
        0x7cc09f81, 0x80000020, 0x7fa40f00, 0x00280000,
        0xfe848f00, 0x00280020, 0x7fe80f00, 0x00280440,
        0xfd001f80, 0x00280060, 0x00000080, 0x00000000,
        0xfdc01f80, 0xf800620f, 0x00000243, 0x00000000,
        0xfea01f80, 0x90000060, 0x5555d53f, 0x00000000,
        0x02011f80, 0x8c110000, 0x02448002, 0x80020000,
        0xf8402000, 0x9006a02f, 0x02552081, 0x00000040,
        0xfe301f00, 0x1000e06f, 0xfe081f80, 0x1033c02f,
        0xfe4c2081, 0x80060040, 0xfee88f81, 0x0289e32f,
        0x02c59f80, 0x80060000, 0xfee08f80, 0x0285636f,
        0xfecc8f80, 0x80000000, 0xfe40a081, 0x80000060,
        0x00cc9f81, 0x9000e04f, 0xfe281f00, 0x80060000,
        0xf8c01f81, 0x9006c02f, 0xfee00f81, 0xfd80636f,
        0x0000803f, 0x00000000, 0x7ec49f81, 0xf880e34f,
        0xfe381f80, 0x00000000, 0x7de40f81, 0xfe800360,
        0x00011f80, 0x8c100000, 0xf8001f00, 0x900ce00f,
        0x00311f00, 0x1000e02f, 0x02a41f00, 0xf910624f,
        0x02a01f00, 0xf910626f, 0x00011f80, 0x1033e04f,
        0x00000040, 0x00000000, 0xfecc9f03, 0x80020000,
        0xfec81f83, 0x80020060, 0x7fd49f01, 0x00000020,
        0x7fd41f80, 0x00000040, 0xfe081f00, 0x80010000,
        0xfe041f80, 0x80010060, 0xfee00f01, 0x80000000,
        0xfeec0f81, 0x80000020, 0xfec01f00, 0x00280000,
        0xfec49f00, 0x00280020, 0x7fe00f00, 0x00280040,
        0xfd001f80, 0x00280060, 0x00000080, 0x00000000,
        0xfe001f80, 0x00350000, 0x00ec1f82, 0x000c0260,
        0x01011f00, 0x800c0000, 0x01051f00, 0x800c0020,
        0x002c1f00, 0x80060040, 0xf8008001, 0x9006e06f,
        0x01091f80, 0x800c0000, 0x01c01f00, 0x90000000,
        0xfe088001, 0xfd80632f, 0x01e81f00, 0x90000040,
        0x01c49f80, 0x90000020, 0x0000803f, 0x00000000,
        0x7fcc9f80, 0xf880630f, 0xfe20a081, 0x80000000,
        0x01cc1f80, 0x90000060, 0xc21e82a7, 0x62ccc547,
        0x1708607c, 0x73ea57a6
};
static const uint32_t cpPixelShaderRegs[] = {
        0x00000106, 0x00000002, 0x14000003, 0x00000000,
        0x00000003, 0x00000100, 0x00000101, 0x00000102,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x0000000f, 0x00000001, 0x00000010,
        0x00000000
};

ShaderFractalColor *ShaderFractalColor::shaderInstance = NULL;

ShaderFractalColor::ShaderFractalColor()
        : vertexShader(cuAttributeCount) {
    //! create pixel shader
    pixelShader.setProgram(cpPixelShaderProgram, sizeof(cpPixelShaderProgram), cpPixelShaderRegs, sizeof(cpPixelShaderRegs));

    blurLocation = 0;
    colorIntensityLocation = 4;
    fadeOutLocation = 8;
    fractalLocation = 12;
    pixelShader.addUniformVar((GX2UniformVar) {
            "unf_blur_border", GX2_SHADER_VAR_TYPE_FLOAT, 1, blurLocation, -1
    });
    pixelShader.addUniformVar((GX2UniformVar) {
            "unf_color_intensity", GX2_SHADER_VAR_TYPE_FLOAT4, 1, colorIntensityLocation, -1
    });
    pixelShader.addUniformVar((GX2UniformVar) {
            "unf_fade_out_alpha", GX2_SHADER_VAR_TYPE_FLOAT4, 1, fadeOutLocation, -1
    });
    pixelShader.addUniformVar((GX2UniformVar) {
            "unf_fract_alpha", GX2_SHADER_VAR_TYPE_INT, 1, fractalLocation, -1
    });
    //! create vertex shader
    vertexShader.setProgram(cpVertexShaderProgram, sizeof(cpVertexShaderProgram), cpVertexShaderRegs, sizeof(cpVertexShaderRegs));

    modelMatrixLocation = 0;
    projectionMatrixLocation = 16;
    viewMatrixLocation = 32;
    vertexShader.addUniformVar((GX2UniformVar) {
            "modelMatrix", GX2_SHADER_VAR_TYPE_MATRIX4X4, 1, modelMatrixLocation, -1
    });
    vertexShader.addUniformVar((GX2UniformVar) {
            "projectionMatrix", GX2_SHADER_VAR_TYPE_MATRIX4X4, 1, projectionMatrixLocation, -1
    });
    vertexShader.addUniformVar((GX2UniformVar) {
            "viewMatrix", GX2_SHADER_VAR_TYPE_MATRIX4X4, 1, viewMatrixLocation, -1
    });

    positionLocation = 0;
    colorLocation = 1;
    texCoordLocation = 2;
    vertexShader.addAttribVar((GX2AttribVar) {
            "attr_colors", GX2_SHADER_VAR_TYPE_FLOAT4, 0, colorLocation
    });
    vertexShader.addAttribVar((GX2AttribVar) {
            "attr_position", GX2_SHADER_VAR_TYPE_FLOAT3, 0, positionLocation
    });
    vertexShader.addAttribVar((GX2AttribVar) {
            "attr_texture_coord", GX2_SHADER_VAR_TYPE_FLOAT2, 0, texCoordLocation
    });

    //! setup attribute streams
    GX2InitAttribStream(vertexShader.getAttributeBuffer(0), positionLocation, 0, 0, GX2_ATTRIB_FORMAT_FLOAT_32_32_32);
    GX2InitAttribStream(vertexShader.getAttributeBuffer(1), texCoordLocation, 1, 0, GX2_ATTRIB_FORMAT_FLOAT_32_32);
    GX2InitAttribStream(vertexShader.getAttributeBuffer(2), colorLocation, 2, 0, GX2_ATTRIB_FORMAT_UNORM_8_8_8_8);

    //! create fetch shader
    fetchShader = new FetchShader(vertexShader.getAttributeBuffer(), vertexShader.getAttributesCount());

    //! initialize default quad texture vertexes as those are very commonly used
    //! model vertex has to be align and cannot be in unknown regions for GX2 like 0xBCAE1000
    posVtxs = (float *) memalign(GX2_VERTEX_BUFFER_ALIGNMENT, ciPositionVtxsSize);
    texCoords = (float *) memalign(GX2_VERTEX_BUFFER_ALIGNMENT, ciTexCoordsVtxsSize);
    colorVtxs = (uint8_t *) memalign(GX2_VERTEX_BUFFER_ALIGNMENT, ciColorVtxsSize);

    //! position vertex structure and texture coordinate vertex structure
    int32_t i = 0;
    posVtxs[i++] = -1.0f;
    posVtxs[i++] = -1.0f;
    posVtxs[i++] = 0.0f;
    posVtxs[i++] = 1.0f;
    posVtxs[i++] = -1.0f;
    posVtxs[i++] = 0.0f;
    posVtxs[i++] = 1.0f;
    posVtxs[i++] = 1.0f;
    posVtxs[i++] = 0.0f;
    posVtxs[i++] = -1.0f;
    posVtxs[i++] = 1.0f;
    posVtxs[i++] = 0.0f;
    GX2Invalidate(GX2_INVALIDATE_MODE_CPU_ATTRIBUTE_BUFFER, posVtxs, ciPositionVtxsSize);

    i = 0;
    texCoords[i++] = 0.0f;
    texCoords[i++] = 1.0f;
    texCoords[i++] = 1.0f;
    texCoords[i++] = 1.0f;
    texCoords[i++] = 1.0f;
    texCoords[i++] = 0.0f;
    texCoords[i++] = 0.0f;
    texCoords[i++] = 0.0f;
    GX2Invalidate(GX2_INVALIDATE_MODE_CPU_ATTRIBUTE_BUFFER, texCoords, ciTexCoordsVtxsSize);


    for (i = 0; i < (int32_t) ciColorVtxsSize; i++)
        colorVtxs[i] = 0xff;

    GX2Invalidate(GX2_INVALIDATE_MODE_CPU_ATTRIBUTE_BUFFER, colorVtxs, ciColorVtxsSize);
}

ShaderFractalColor::~ShaderFractalColor() {
    if (posVtxs) {
        free(posVtxs);
        posVtxs = NULL;
    }
    if (texCoords) {
        free(texCoords);
        texCoords = NULL;
    }
    if (colorVtxs) {
        free(colorVtxs);
        colorVtxs = NULL;
    }

    delete fetchShader;
    fetchShader = NULL;
}