2012-09-17 04:36:08 +04:00
|
|
|
/*
|
2013-01-13 22:57:24 +04:00
|
|
|
* Copyright 2011-2013 Branimir Karadzic. All rights reserved.
|
2012-09-17 04:36:08 +04:00
|
|
|
* License: http://www.opensource.org/licenses/BSD-2-Clause
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <bgfx.h>
|
|
|
|
#include <bx/bx.h>
|
|
|
|
#include <bx/timer.h>
|
2013-01-13 22:47:30 +04:00
|
|
|
#include "../common/entry.h"
|
2012-09-17 04:36:08 +04:00
|
|
|
#include "../common/dbg.h"
|
|
|
|
#include "../common/math.h"
|
2013-01-17 10:44:51 +04:00
|
|
|
#include "../common/processevents.h"
|
2012-09-17 04:36:08 +04:00
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <string.h>
|
|
|
|
|
|
|
|
bgfx::VertexDecl s_PosNormalColorDecl;
|
|
|
|
|
|
|
|
struct PosNormalColorVertex
|
|
|
|
{
|
|
|
|
float m_pos[3];
|
|
|
|
float m_normal[3];
|
|
|
|
uint32_t m_abgr;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct Grid
|
|
|
|
{
|
|
|
|
Grid()
|
|
|
|
: m_val(0.0f)
|
|
|
|
{
|
|
|
|
m_normal[0] = 0.0f;
|
|
|
|
m_normal[1] = 0.0f;
|
|
|
|
m_normal[2] = 0.0f;
|
|
|
|
}
|
|
|
|
|
|
|
|
float m_val;
|
|
|
|
float m_normal[3];
|
|
|
|
};
|
|
|
|
|
|
|
|
static const char* s_shaderPath = NULL;
|
|
|
|
|
|
|
|
static void shaderFilePath(char* _out, const char* _name)
|
|
|
|
{
|
|
|
|
strcpy(_out, s_shaderPath);
|
|
|
|
strcat(_out, _name);
|
|
|
|
strcat(_out, ".bin");
|
|
|
|
}
|
|
|
|
|
|
|
|
long int fsize(FILE* _file)
|
|
|
|
{
|
|
|
|
long int pos = ftell(_file);
|
|
|
|
fseek(_file, 0L, SEEK_END);
|
|
|
|
long int size = ftell(_file);
|
|
|
|
fseek(_file, pos, SEEK_SET);
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const bgfx::Memory* load(const char* _filePath)
|
|
|
|
{
|
|
|
|
FILE* file = fopen(_filePath, "rb");
|
|
|
|
if (NULL != file)
|
|
|
|
{
|
|
|
|
uint32_t size = (uint32_t)fsize(file);
|
|
|
|
const bgfx::Memory* mem = bgfx::alloc(size+1);
|
2012-10-08 08:01:35 +04:00
|
|
|
size_t ignore = fread(mem->data, 1, size, file);
|
|
|
|
BX_UNUSED(ignore);
|
2012-09-17 04:36:08 +04:00
|
|
|
fclose(file);
|
|
|
|
mem->data[mem->size-1] = '\0';
|
|
|
|
return mem;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2012-10-28 08:34:41 +04:00
|
|
|
static const bgfx::Memory* loadShader(const char* _name)
|
2012-09-17 04:36:08 +04:00
|
|
|
{
|
2012-09-17 04:59:21 +04:00
|
|
|
char filePath[512];
|
2012-09-17 04:36:08 +04:00
|
|
|
shaderFilePath(filePath, _name);
|
|
|
|
return load(filePath);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Triangulation tables taken from:
|
|
|
|
// http://paulbourke.net/geometry/polygonise/
|
|
|
|
|
|
|
|
static const uint16_t s_edges[256] =
|
|
|
|
{
|
|
|
|
0x000, 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c,
|
|
|
|
0x80c, 0x905, 0xa0f, 0xb06, 0xc0a, 0xd03, 0xe09, 0xf00,
|
|
|
|
0x190, 0x099, 0x393, 0x29a, 0x596, 0x49f, 0x795, 0x69c,
|
|
|
|
0x99c, 0x895, 0xb9f, 0xa96, 0xd9a, 0xc93, 0xf99, 0xe90,
|
|
|
|
0x230, 0x339, 0x033, 0x13a, 0x636, 0x73f, 0x435, 0x53c,
|
|
|
|
0xa3c, 0xb35, 0x83f, 0x936, 0xe3a, 0xf33, 0xc39, 0xd30,
|
|
|
|
0x3a0, 0x2a9, 0x1a3, 0x0aa, 0x7a6, 0x6af, 0x5a5, 0x4ac,
|
|
|
|
0xbac, 0xaa5, 0x9af, 0x8a6, 0xfaa, 0xea3, 0xda9, 0xca0,
|
|
|
|
0x460, 0x569, 0x663, 0x76a, 0x66 , 0x16f, 0x265, 0x36c,
|
|
|
|
0xc6c, 0xd65, 0xe6f, 0xf66, 0x86a, 0x963, 0xa69, 0xb60,
|
|
|
|
0x5f0, 0x4f9, 0x7f3, 0x6fa, 0x1f6, 0x0ff, 0x3f5, 0x2fc,
|
|
|
|
0xdfc, 0xcf5, 0xfff, 0xef6, 0x9fa, 0x8f3, 0xbf9, 0xaf0,
|
|
|
|
0x650, 0x759, 0x453, 0x55a, 0x256, 0x35f, 0x055, 0x15c,
|
|
|
|
0xe5c, 0xf55, 0xc5f, 0xd56, 0xa5a, 0xb53, 0x859, 0x950,
|
|
|
|
0x7c0, 0x6c9, 0x5c3, 0x4ca, 0x3c6, 0x2cf, 0x1c5, 0x0cc,
|
|
|
|
0xfcc, 0xec5, 0xdcf, 0xcc6, 0xbca, 0xac3, 0x9c9, 0x8c0,
|
|
|
|
0x8c0, 0x9c9, 0xac3, 0xbca, 0xcc6, 0xdcf, 0xec5, 0xfcc,
|
|
|
|
0x0cc, 0x1c5, 0x2cf, 0x3c6, 0x4ca, 0x5c3, 0x6c9, 0x7c0,
|
|
|
|
0x950, 0x859, 0xb53, 0xa5a, 0xd56, 0xc5f, 0xf55, 0xe5c,
|
|
|
|
0x15c, 0x55 , 0x35f, 0x256, 0x55a, 0x453, 0x759, 0x650,
|
|
|
|
0xaf0, 0xbf9, 0x8f3, 0x9fa, 0xef6, 0xfff, 0xcf5, 0xdfc,
|
|
|
|
0x2fc, 0x3f5, 0x0ff, 0x1f6, 0x6fa, 0x7f3, 0x4f9, 0x5f0,
|
|
|
|
0xb60, 0xa69, 0x963, 0x86a, 0xf66, 0xe6f, 0xd65, 0xc6c,
|
|
|
|
0x36c, 0x265, 0x16f, 0x066, 0x76a, 0x663, 0x569, 0x460,
|
|
|
|
0xca0, 0xda9, 0xea3, 0xfaa, 0x8a6, 0x9af, 0xaa5, 0xbac,
|
|
|
|
0x4ac, 0x5a5, 0x6af, 0x7a6, 0x0aa, 0x1a3, 0x2a9, 0x3a0,
|
|
|
|
0xd30, 0xc39, 0xf33, 0xe3a, 0x936, 0x83f, 0xb35, 0xa3c,
|
|
|
|
0x53c, 0x435, 0x73f, 0x636, 0x13a, 0x033, 0x339, 0x230,
|
|
|
|
0xe90, 0xf99, 0xc93, 0xd9a, 0xa96, 0xb9f, 0x895, 0x99c,
|
|
|
|
0x69c, 0x795, 0x49f, 0x596, 0x29a, 0x393, 0x099, 0x190,
|
|
|
|
0xf00, 0xe09, 0xd03, 0xc0a, 0xb06, 0xa0f, 0x905, 0x80c,
|
|
|
|
0x70c, 0x605, 0x50f, 0x406, 0x30a, 0x203, 0x109, 0x000,
|
|
|
|
};
|
|
|
|
|
|
|
|
static const int8_t s_indices[256][16] =
|
|
|
|
{
|
|
|
|
{ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 1, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 8, 3, 9, 8, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 8, 3, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 2, 10, 0, 2, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 2, 8, 3, 2, 10, 8, 10, 9, 8, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 11, 2, 8, 11, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 9, 0, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 11, 2, 1, 9, 11, 9, 8, 11, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 10, 1, 11, 10, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 10, 1, 0, 8, 10, 8, 11, 10, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 9, 0, 3, 11, 9, 11, 10, 9, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 3, 0, 7, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 1, 9, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 1, 9, 4, 7, 1, 7, 3, 1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 2, 10, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 4, 7, 3, 0, 4, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 2, 10, 9, 0, 2, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 2, 10, 9, 2, 9, 7, 2, 7, 3, 7, 9, 4, -1, -1, -1, -1 },
|
|
|
|
{ 8, 4, 7, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 11, 4, 7, 11, 2, 4, 2, 0, 4, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 0, 1, 8, 4, 7, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 7, 11, 9, 4, 11, 9, 11, 2, 9, 2, 1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 10, 1, 3, 11, 10, 7, 8, 4, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 11, 10, 1, 4, 11, 1, 0, 4, 7, 11, 4, -1, -1, -1, -1 },
|
|
|
|
{ 4, 7, 8, 9, 0, 11, 9, 11, 10, 11, 0, 3, -1, -1, -1, -1 },
|
|
|
|
{ 4, 7, 11, 4, 11, 9, 9, 11, 10, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 5, 4, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 5, 4, 1, 5, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 8, 5, 4, 8, 3, 5, 3, 1, 5, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 2, 10, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 0, 8, 1, 2, 10, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 5, 2, 10, 5, 4, 2, 4, 0, 2, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 2, 10, 5, 3, 2, 5, 3, 5, 4, 3, 4, 8, -1, -1, -1, -1 },
|
|
|
|
{ 9, 5, 4, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 11, 2, 0, 8, 11, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 5, 4, 0, 1, 5, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 2, 1, 5, 2, 5, 8, 2, 8, 11, 4, 8, 5, -1, -1, -1, -1 },
|
|
|
|
{ 10, 3, 11, 10, 1, 3, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 9, 5, 0, 8, 1, 8, 10, 1, 8, 11, 10, -1, -1, -1, -1 },
|
|
|
|
{ 5, 4, 0, 5, 0, 11, 5, 11, 10, 11, 0, 3, -1, -1, -1, -1 },
|
|
|
|
{ 5, 4, 8, 5, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 7, 8, 5, 7, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 3, 0, 9, 5, 3, 5, 7, 3, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 7, 8, 0, 1, 7, 1, 5, 7, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 5, 3, 3, 5, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 7, 8, 9, 5, 7, 10, 1, 2, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 10, 1, 2, 9, 5, 0, 5, 3, 0, 5, 7, 3, -1, -1, -1, -1 },
|
|
|
|
{ 8, 0, 2, 8, 2, 5, 8, 5, 7, 10, 5, 2, -1, -1, -1, -1 },
|
|
|
|
{ 2, 10, 5, 2, 5, 3, 3, 5, 7, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 7, 9, 5, 7, 8, 9, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 5, 7, 9, 7, 2, 9, 2, 0, 2, 7, 11, -1, -1, -1, -1 },
|
|
|
|
{ 2, 3, 11, 0, 1, 8, 1, 7, 8, 1, 5, 7, -1, -1, -1, -1 },
|
|
|
|
{ 11, 2, 1, 11, 1, 7, 7, 1, 5, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 5, 8, 8, 5, 7, 10, 1, 3, 10, 3, 11, -1, -1, -1, -1 },
|
|
|
|
{ 5, 7, 0, 5, 0, 9, 7, 11, 0, 1, 0, 10, 11, 10, 0, -1 },
|
|
|
|
{ 11, 10, 0, 11, 0, 3, 10, 5, 0, 8, 0, 7, 5, 7, 0, -1 },
|
|
|
|
{ 11, 10, 5, 7, 11, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 8, 3, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 0, 1, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 8, 3, 1, 9, 8, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 6, 5, 2, 6, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 6, 5, 1, 2, 6, 3, 0, 8, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 6, 5, 9, 0, 6, 0, 2, 6, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 5, 9, 8, 5, 8, 2, 5, 2, 6, 3, 2, 8, -1, -1, -1, -1 },
|
|
|
|
{ 2, 3, 11, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 11, 0, 8, 11, 2, 0, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 1, 9, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 5, 10, 6, 1, 9, 2, 9, 11, 2, 9, 8, 11, -1, -1, -1, -1 },
|
|
|
|
{ 6, 3, 11, 6, 5, 3, 5, 1, 3, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 8, 11, 0, 11, 5, 0, 5, 1, 5, 11, 6, -1, -1, -1, -1 },
|
|
|
|
{ 3, 11, 6, 0, 3, 6, 0, 6, 5, 0, 5, 9, -1, -1, -1, -1 },
|
|
|
|
{ 6, 5, 9, 6, 9, 11, 11, 9, 8, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 5, 10, 6, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 3, 0, 4, 7, 3, 6, 5, 10, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 9, 0, 5, 10, 6, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 10, 6, 5, 1, 9, 7, 1, 7, 3, 7, 9, 4, -1, -1, -1, -1 },
|
|
|
|
{ 6, 1, 2, 6, 5, 1, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 2, 5, 5, 2, 6, 3, 0, 4, 3, 4, 7, -1, -1, -1, -1 },
|
|
|
|
{ 8, 4, 7, 9, 0, 5, 0, 6, 5, 0, 2, 6, -1, -1, -1, -1 },
|
|
|
|
{ 7, 3, 9, 7, 9, 4, 3, 2, 9, 5, 9, 6, 2, 6, 9, -1 },
|
|
|
|
{ 3, 11, 2, 7, 8, 4, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 5, 10, 6, 4, 7, 2, 4, 2, 0, 2, 7, 11, -1, -1, -1, -1 },
|
|
|
|
{ 0, 1, 9, 4, 7, 8, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1 },
|
|
|
|
{ 9, 2, 1, 9, 11, 2, 9, 4, 11, 7, 11, 4, 5, 10, 6, -1 },
|
|
|
|
{ 8, 4, 7, 3, 11, 5, 3, 5, 1, 5, 11, 6, -1, -1, -1, -1 },
|
|
|
|
{ 5, 1, 11, 5, 11, 6, 1, 0, 11, 7, 11, 4, 0, 4, 11, -1 },
|
|
|
|
{ 0, 5, 9, 0, 6, 5, 0, 3, 6, 11, 6, 3, 8, 4, 7, -1 },
|
|
|
|
{ 6, 5, 9, 6, 9, 11, 4, 7, 9, 7, 11, 9, -1, -1, -1, -1 },
|
|
|
|
{ 10, 4, 9, 6, 4, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 10, 6, 4, 9, 10, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 10, 0, 1, 10, 6, 0, 6, 4, 0, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 8, 3, 1, 8, 1, 6, 8, 6, 4, 6, 1, 10, -1, -1, -1, -1 },
|
|
|
|
{ 1, 4, 9, 1, 2, 4, 2, 6, 4, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 0, 8, 1, 2, 9, 2, 4, 9, 2, 6, 4, -1, -1, -1, -1 },
|
|
|
|
{ 0, 2, 4, 4, 2, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 8, 3, 2, 8, 2, 4, 4, 2, 6, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 10, 4, 9, 10, 6, 4, 11, 2, 3, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 8, 2, 2, 8, 11, 4, 9, 10, 4, 10, 6, -1, -1, -1, -1 },
|
|
|
|
{ 3, 11, 2, 0, 1, 6, 0, 6, 4, 6, 1, 10, -1, -1, -1, -1 },
|
|
|
|
{ 6, 4, 1, 6, 1, 10, 4, 8, 1, 2, 1, 11, 8, 11, 1, -1 },
|
|
|
|
{ 9, 6, 4, 9, 3, 6, 9, 1, 3, 11, 6, 3, -1, -1, -1, -1 },
|
|
|
|
{ 8, 11, 1, 8, 1, 0, 11, 6, 1, 9, 1, 4, 6, 4, 1, -1 },
|
|
|
|
{ 3, 11, 6, 3, 6, 0, 0, 6, 4, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 6, 4, 8, 11, 6, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 7, 10, 6, 7, 8, 10, 8, 9, 10, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 7, 3, 0, 10, 7, 0, 9, 10, 6, 7, 10, -1, -1, -1, -1 },
|
|
|
|
{ 10, 6, 7, 1, 10, 7, 1, 7, 8, 1, 8, 0, -1, -1, -1, -1 },
|
|
|
|
{ 10, 6, 7, 10, 7, 1, 1, 7, 3, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 2, 6, 1, 6, 8, 1, 8, 9, 8, 6, 7, -1, -1, -1, -1 },
|
|
|
|
{ 2, 6, 9, 2, 9, 1, 6, 7, 9, 0, 9, 3, 7, 3, 9, -1 },
|
|
|
|
{ 7, 8, 0, 7, 0, 6, 6, 0, 2, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 7, 3, 2, 6, 7, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 2, 3, 11, 10, 6, 8, 10, 8, 9, 8, 6, 7, -1, -1, -1, -1 },
|
|
|
|
{ 2, 0, 7, 2, 7, 11, 0, 9, 7, 6, 7, 10, 9, 10, 7, -1 },
|
|
|
|
{ 1, 8, 0, 1, 7, 8, 1, 10, 7, 6, 7, 10, 2, 3, 11, -1 },
|
|
|
|
{ 11, 2, 1, 11, 1, 7, 10, 6, 1, 6, 7, 1, -1, -1, -1, -1 },
|
|
|
|
{ 8, 9, 6, 8, 6, 7, 9, 1, 6, 11, 6, 3, 1, 3, 6, -1 },
|
|
|
|
{ 0, 9, 1, 11, 6, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 7, 8, 0, 7, 0, 6, 3, 11, 0, 11, 6, 0, -1, -1, -1, -1 },
|
|
|
|
{ 7, 11, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 7, 6, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 0, 8, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 1, 9, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 8, 1, 9, 8, 3, 1, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 10, 1, 2, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 2, 10, 3, 0, 8, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 2, 9, 0, 2, 10, 9, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 6, 11, 7, 2, 10, 3, 10, 8, 3, 10, 9, 8, -1, -1, -1, -1 },
|
|
|
|
{ 7, 2, 3, 6, 2, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 7, 0, 8, 7, 6, 0, 6, 2, 0, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 2, 7, 6, 2, 3, 7, 0, 1, 9, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 6, 2, 1, 8, 6, 1, 9, 8, 8, 7, 6, -1, -1, -1, -1 },
|
|
|
|
{ 10, 7, 6, 10, 1, 7, 1, 3, 7, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 10, 7, 6, 1, 7, 10, 1, 8, 7, 1, 0, 8, -1, -1, -1, -1 },
|
|
|
|
{ 0, 3, 7, 0, 7, 10, 0, 10, 9, 6, 10, 7, -1, -1, -1, -1 },
|
|
|
|
{ 7, 6, 10, 7, 10, 8, 8, 10, 9, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 6, 8, 4, 11, 8, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 6, 11, 3, 0, 6, 0, 4, 6, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 8, 6, 11, 8, 4, 6, 9, 0, 1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 4, 6, 9, 6, 3, 9, 3, 1, 11, 3, 6, -1, -1, -1, -1 },
|
|
|
|
{ 6, 8, 4, 6, 11, 8, 2, 10, 1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 2, 10, 3, 0, 11, 0, 6, 11, 0, 4, 6, -1, -1, -1, -1 },
|
|
|
|
{ 4, 11, 8, 4, 6, 11, 0, 2, 9, 2, 10, 9, -1, -1, -1, -1 },
|
|
|
|
{ 10, 9, 3, 10, 3, 2, 9, 4, 3, 11, 3, 6, 4, 6, 3, -1 },
|
|
|
|
{ 8, 2, 3, 8, 4, 2, 4, 6, 2, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 4, 2, 4, 6, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 9, 0, 2, 3, 4, 2, 4, 6, 4, 3, 8, -1, -1, -1, -1 },
|
|
|
|
{ 1, 9, 4, 1, 4, 2, 2, 4, 6, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 8, 1, 3, 8, 6, 1, 8, 4, 6, 6, 10, 1, -1, -1, -1, -1 },
|
|
|
|
{ 10, 1, 0, 10, 0, 6, 6, 0, 4, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 6, 3, 4, 3, 8, 6, 10, 3, 0, 3, 9, 10, 9, 3, -1 },
|
|
|
|
{ 10, 9, 4, 6, 10, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 9, 5, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 8, 3, 4, 9, 5, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 5, 0, 1, 5, 4, 0, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 11, 7, 6, 8, 3, 4, 3, 5, 4, 3, 1, 5, -1, -1, -1, -1 },
|
|
|
|
{ 9, 5, 4, 10, 1, 2, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 6, 11, 7, 1, 2, 10, 0, 8, 3, 4, 9, 5, -1, -1, -1, -1 },
|
|
|
|
{ 7, 6, 11, 5, 4, 10, 4, 2, 10, 4, 0, 2, -1, -1, -1, -1 },
|
|
|
|
{ 3, 4, 8, 3, 5, 4, 3, 2, 5, 10, 5, 2, 11, 7, 6, -1 },
|
|
|
|
{ 7, 2, 3, 7, 6, 2, 5, 4, 9, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 5, 4, 0, 8, 6, 0, 6, 2, 6, 8, 7, -1, -1, -1, -1 },
|
|
|
|
{ 3, 6, 2, 3, 7, 6, 1, 5, 0, 5, 4, 0, -1, -1, -1, -1 },
|
|
|
|
{ 6, 2, 8, 6, 8, 7, 2, 1, 8, 4, 8, 5, 1, 5, 8, -1 },
|
|
|
|
{ 9, 5, 4, 10, 1, 6, 1, 7, 6, 1, 3, 7, -1, -1, -1, -1 },
|
|
|
|
{ 1, 6, 10, 1, 7, 6, 1, 0, 7, 8, 7, 0, 9, 5, 4, -1 },
|
|
|
|
{ 4, 0, 10, 4, 10, 5, 0, 3, 10, 6, 10, 7, 3, 7, 10, -1 },
|
|
|
|
{ 7, 6, 10, 7, 10, 8, 5, 4, 10, 4, 8, 10, -1, -1, -1, -1 },
|
|
|
|
{ 6, 9, 5, 6, 11, 9, 11, 8, 9, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 6, 11, 0, 6, 3, 0, 5, 6, 0, 9, 5, -1, -1, -1, -1 },
|
|
|
|
{ 0, 11, 8, 0, 5, 11, 0, 1, 5, 5, 6, 11, -1, -1, -1, -1 },
|
|
|
|
{ 6, 11, 3, 6, 3, 5, 5, 3, 1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 2, 10, 9, 5, 11, 9, 11, 8, 11, 5, 6, -1, -1, -1, -1 },
|
|
|
|
{ 0, 11, 3, 0, 6, 11, 0, 9, 6, 5, 6, 9, 1, 2, 10, -1 },
|
|
|
|
{ 11, 8, 5, 11, 5, 6, 8, 0, 5, 10, 5, 2, 0, 2, 5, -1 },
|
|
|
|
{ 6, 11, 3, 6, 3, 5, 2, 10, 3, 10, 5, 3, -1, -1, -1, -1 },
|
|
|
|
{ 5, 8, 9, 5, 2, 8, 5, 6, 2, 3, 8, 2, -1, -1, -1, -1 },
|
|
|
|
{ 9, 5, 6, 9, 6, 0, 0, 6, 2, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 5, 8, 1, 8, 0, 5, 6, 8, 3, 8, 2, 6, 2, 8, -1 },
|
|
|
|
{ 1, 5, 6, 2, 1, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 3, 6, 1, 6, 10, 3, 8, 6, 5, 6, 9, 8, 9, 6, -1 },
|
|
|
|
{ 10, 1, 0, 10, 0, 6, 9, 5, 0, 5, 6, 0, -1, -1, -1, -1 },
|
|
|
|
{ 0, 3, 8, 5, 6, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 10, 5, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 11, 5, 10, 7, 5, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 11, 5, 10, 11, 7, 5, 8, 3, 0, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 5, 11, 7, 5, 10, 11, 1, 9, 0, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 10, 7, 5, 10, 11, 7, 9, 8, 1, 8, 3, 1, -1, -1, -1, -1 },
|
|
|
|
{ 11, 1, 2, 11, 7, 1, 7, 5, 1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 8, 3, 1, 2, 7, 1, 7, 5, 7, 2, 11, -1, -1, -1, -1 },
|
|
|
|
{ 9, 7, 5, 9, 2, 7, 9, 0, 2, 2, 11, 7, -1, -1, -1, -1 },
|
|
|
|
{ 7, 5, 2, 7, 2, 11, 5, 9, 2, 3, 2, 8, 9, 8, 2, -1 },
|
|
|
|
{ 2, 5, 10, 2, 3, 5, 3, 7, 5, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 8, 2, 0, 8, 5, 2, 8, 7, 5, 10, 2, 5, -1, -1, -1, -1 },
|
|
|
|
{ 9, 0, 1, 5, 10, 3, 5, 3, 7, 3, 10, 2, -1, -1, -1, -1 },
|
|
|
|
{ 9, 8, 2, 9, 2, 1, 8, 7, 2, 10, 2, 5, 7, 5, 2, -1 },
|
|
|
|
{ 1, 3, 5, 3, 7, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 8, 7, 0, 7, 1, 1, 7, 5, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 0, 3, 9, 3, 5, 5, 3, 7, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 8, 7, 5, 9, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 5, 8, 4, 5, 10, 8, 10, 11, 8, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 5, 0, 4, 5, 11, 0, 5, 10, 11, 11, 3, 0, -1, -1, -1, -1 },
|
|
|
|
{ 0, 1, 9, 8, 4, 10, 8, 10, 11, 10, 4, 5, -1, -1, -1, -1 },
|
|
|
|
{ 10, 11, 4, 10, 4, 5, 11, 3, 4, 9, 4, 1, 3, 1, 4, -1 },
|
|
|
|
{ 2, 5, 1, 2, 8, 5, 2, 11, 8, 4, 5, 8, -1, -1, -1, -1 },
|
|
|
|
{ 0, 4, 11, 0, 11, 3, 4, 5, 11, 2, 11, 1, 5, 1, 11, -1 },
|
|
|
|
{ 0, 2, 5, 0, 5, 9, 2, 11, 5, 4, 5, 8, 11, 8, 5, -1 },
|
|
|
|
{ 9, 4, 5, 2, 11, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 2, 5, 10, 3, 5, 2, 3, 4, 5, 3, 8, 4, -1, -1, -1, -1 },
|
|
|
|
{ 5, 10, 2, 5, 2, 4, 4, 2, 0, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 10, 2, 3, 5, 10, 3, 8, 5, 4, 5, 8, 0, 1, 9, -1 },
|
|
|
|
{ 5, 10, 2, 5, 2, 4, 1, 9, 2, 9, 4, 2, -1, -1, -1, -1 },
|
|
|
|
{ 8, 4, 5, 8, 5, 3, 3, 5, 1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 4, 5, 1, 0, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 8, 4, 5, 8, 5, 3, 9, 0, 5, 0, 3, 5, -1, -1, -1, -1 },
|
|
|
|
{ 9, 4, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 11, 7, 4, 9, 11, 9, 10, 11, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 8, 3, 4, 9, 7, 9, 11, 7, 9, 10, 11, -1, -1, -1, -1 },
|
|
|
|
{ 1, 10, 11, 1, 11, 4, 1, 4, 0, 7, 4, 11, -1, -1, -1, -1 },
|
|
|
|
{ 3, 1, 4, 3, 4, 8, 1, 10, 4, 7, 4, 11, 10, 11, 4, -1 },
|
|
|
|
{ 4, 11, 7, 9, 11, 4, 9, 2, 11, 9, 1, 2, -1, -1, -1, -1 },
|
|
|
|
{ 9, 7, 4, 9, 11, 7, 9, 1, 11, 2, 11, 1, 0, 8, 3, -1 },
|
|
|
|
{ 11, 7, 4, 11, 4, 2, 2, 4, 0, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 11, 7, 4, 11, 4, 2, 8, 3, 4, 3, 2, 4, -1, -1, -1, -1 },
|
|
|
|
{ 2, 9, 10, 2, 7, 9, 2, 3, 7, 7, 4, 9, -1, -1, -1, -1 },
|
|
|
|
{ 9, 10, 7, 9, 7, 4, 10, 2, 7, 8, 7, 0, 2, 0, 7, -1 },
|
|
|
|
{ 3, 7, 10, 3, 10, 2, 7, 4, 10, 1, 10, 0, 4, 0, 10, -1 },
|
|
|
|
{ 1, 10, 2, 8, 7, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 9, 1, 4, 1, 7, 7, 1, 3, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 9, 1, 4, 1, 7, 0, 8, 1, 8, 7, 1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 0, 3, 7, 4, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 4, 8, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 10, 8, 10, 11, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 0, 9, 3, 9, 11, 11, 9, 10, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 1, 10, 0, 10, 8, 8, 10, 11, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 1, 10, 11, 3, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 2, 11, 1, 11, 9, 9, 11, 8, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 0, 9, 3, 9, 11, 1, 2, 9, 2, 11, 9, -1, -1, -1, -1 },
|
|
|
|
{ 0, 2, 11, 8, 0, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 3, 2, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 2, 3, 8, 2, 8, 10, 10, 8, 9, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 9, 10, 2, 0, 9, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 2, 3, 8, 2, 8, 10, 0, 1, 8, 1, 10, 8, -1, -1, -1, -1 },
|
|
|
|
{ 1, 10, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 1, 3, 8, 9, 1, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 9, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
|
|
|
|
{ 0, 3, 8, -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 },
|
|
|
|
};
|
|
|
|
|
|
|
|
static const float s_cube[8][3] =
|
|
|
|
{
|
|
|
|
{ 0.0f, 1.0f, 1.0f }, // 0
|
|
|
|
{ 1.0f, 1.0f, 1.0f }, // 1
|
|
|
|
{ 1.0f, 1.0f, 0.0f }, // 2
|
|
|
|
{ 0.0f, 1.0f, 0.0f }, // 3
|
|
|
|
{ 0.0f, 0.0f, 1.0f }, // 4
|
|
|
|
{ 1.0f, 0.0f, 1.0f }, // 5
|
|
|
|
{ 1.0f, 0.0f, 0.0f }, // 6
|
|
|
|
{ 0.0f, 0.0f, 0.0f }, // 7
|
|
|
|
};
|
|
|
|
|
|
|
|
float vertLerp(float* __restrict _result, float _iso, uint32_t _idx0, float _v0, uint32_t _idx1, float _v1)
|
|
|
|
{
|
|
|
|
const float* __restrict edge0 = s_cube[_idx0];
|
|
|
|
const float* __restrict edge1 = s_cube[_idx1];
|
|
|
|
|
|
|
|
if (fabsf(_iso-_v1) < 0.00001f)
|
|
|
|
{
|
|
|
|
_result[0] = edge1[0];
|
|
|
|
_result[1] = edge1[1];
|
|
|
|
_result[2] = edge1[2];
|
|
|
|
return 1.0f;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (fabsf(_iso-_v0) < 0.00001f
|
|
|
|
|| fabsf(_v0-_v1) < 0.00001f)
|
|
|
|
{
|
|
|
|
_result[0] = edge0[0];
|
|
|
|
_result[1] = edge0[1];
|
|
|
|
_result[2] = edge0[2];
|
|
|
|
return 0.0f;
|
|
|
|
}
|
|
|
|
|
|
|
|
float lerp = (_iso - _v0) / (_v1 - _v0);
|
|
|
|
_result[0] = edge0[0] + lerp * (edge1[0] - edge0[0]);
|
|
|
|
_result[1] = edge0[1] + lerp * (edge1[1] - edge0[1]);
|
|
|
|
_result[2] = edge0[2] + lerp * (edge1[2] - edge0[2]);
|
|
|
|
|
|
|
|
return lerp;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t triangulate(uint8_t* _result, uint32_t _stride, const float* __restrict _rgb, const float* __restrict _xyz, const Grid* _val[8], float _iso)
|
|
|
|
{
|
|
|
|
uint8_t cubeindex = 0;
|
|
|
|
cubeindex |= (_val[0]->m_val < _iso) ? 0x01 : 0;
|
|
|
|
cubeindex |= (_val[1]->m_val < _iso) ? 0x02 : 0;
|
|
|
|
cubeindex |= (_val[2]->m_val < _iso) ? 0x04 : 0;
|
|
|
|
cubeindex |= (_val[3]->m_val < _iso) ? 0x08 : 0;
|
|
|
|
cubeindex |= (_val[4]->m_val < _iso) ? 0x10 : 0;
|
|
|
|
cubeindex |= (_val[5]->m_val < _iso) ? 0x20 : 0;
|
|
|
|
cubeindex |= (_val[6]->m_val < _iso) ? 0x40 : 0;
|
|
|
|
cubeindex |= (_val[7]->m_val < _iso) ? 0x80 : 0;
|
|
|
|
|
|
|
|
if (0 == s_edges[cubeindex])
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
float verts[12][6];
|
|
|
|
uint16_t flags = s_edges[cubeindex];
|
|
|
|
|
|
|
|
for (uint32_t ii = 0; ii < 12; ++ii)
|
|
|
|
{
|
|
|
|
if (flags & (1<<ii) )
|
|
|
|
{
|
|
|
|
uint32_t idx0 = ii&7;
|
|
|
|
uint32_t idx1 = "\x1\x2\x3\x0\x5\x6\x7\x4\x4\x5\x6\x7"[ii];
|
|
|
|
float* vertex = verts[ii];
|
|
|
|
float lerp = vertLerp(vertex, _iso, idx0, _val[idx0]->m_val, idx1, _val[idx1]->m_val);
|
|
|
|
|
|
|
|
const float* na = _val[idx0]->m_normal;
|
|
|
|
const float* nb = _val[idx1]->m_normal;
|
|
|
|
vertex[3] = na[0] + lerp * (nb[0] - na[0]);
|
|
|
|
vertex[4] = na[1] + lerp * (nb[1] - na[1]);
|
|
|
|
vertex[5] = na[2] + lerp * (nb[2] - na[2]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
float dr = _rgb[3] - _rgb[0];
|
|
|
|
float dg = _rgb[4] - _rgb[1];
|
|
|
|
float db = _rgb[5] - _rgb[2];
|
|
|
|
|
|
|
|
uint32_t num = 0;
|
|
|
|
const int8_t* indices = s_indices[cubeindex];
|
|
|
|
for (uint32_t ii = 0; indices[ii] != -1; ++ii)
|
|
|
|
{
|
|
|
|
const float* vertex = verts[indices[ii] ];
|
|
|
|
|
|
|
|
float* xyz = (float*)_result;
|
|
|
|
xyz[0] = _xyz[0] + vertex[0];
|
|
|
|
xyz[1] = _xyz[1] + vertex[1];
|
|
|
|
xyz[2] = _xyz[2] + vertex[2];
|
|
|
|
|
|
|
|
xyz[3] = vertex[3];
|
|
|
|
xyz[4] = vertex[4];
|
|
|
|
xyz[5] = vertex[5];
|
|
|
|
|
|
|
|
uint32_t rr = uint8_t( (_rgb[0] + vertex[0]*dr)*255.0f);
|
|
|
|
uint32_t gg = uint8_t( (_rgb[1] + vertex[1]*dg)*255.0f);
|
|
|
|
uint32_t bb = uint8_t( (_rgb[2] + vertex[2]*db)*255.0f);
|
|
|
|
|
|
|
|
uint32_t* abgr = (uint32_t*)&_result[24];
|
|
|
|
*abgr = 0xff000000
|
|
|
|
| (bb<<16)
|
|
|
|
| (gg<<8)
|
|
|
|
| rr
|
|
|
|
;
|
|
|
|
|
|
|
|
_result += _stride;
|
|
|
|
++num;
|
|
|
|
}
|
|
|
|
|
|
|
|
return num;
|
|
|
|
}
|
|
|
|
|
2013-03-26 08:13:54 +04:00
|
|
|
int _main_(int /*_argc*/, char** /*_argv*/)
|
2012-09-17 04:36:08 +04:00
|
|
|
{
|
2013-01-17 10:44:51 +04:00
|
|
|
uint32_t width = 1280;
|
|
|
|
uint32_t height = 720;
|
|
|
|
uint32_t debug = BGFX_DEBUG_TEXT;
|
2013-04-28 05:47:18 +04:00
|
|
|
uint32_t reset = BGFX_RESET_VSYNC;
|
2013-01-17 10:44:51 +04:00
|
|
|
|
2012-12-31 08:52:47 +04:00
|
|
|
bgfx::init();
|
2013-05-09 09:57:54 +04:00
|
|
|
bgfx::reset(width, height, reset);
|
2012-09-17 04:36:08 +04:00
|
|
|
|
|
|
|
// Enable debug text.
|
2013-01-17 10:44:51 +04:00
|
|
|
bgfx::setDebug(debug);
|
2012-09-17 04:36:08 +04:00
|
|
|
|
|
|
|
// Set view 0 clear state.
|
|
|
|
bgfx::setViewClear(0
|
|
|
|
, BGFX_CLEAR_COLOR_BIT|BGFX_CLEAR_DEPTH_BIT
|
|
|
|
, 0x303030ff
|
|
|
|
, 1.0f
|
|
|
|
, 0
|
|
|
|
);
|
|
|
|
|
|
|
|
// Setup root path for binary shaders. Shader binaries are different
|
|
|
|
// for each renderer.
|
|
|
|
switch (bgfx::getRendererType() )
|
|
|
|
{
|
2012-11-04 08:29:41 +04:00
|
|
|
default:
|
2012-09-17 04:36:08 +04:00
|
|
|
case bgfx::RendererType::Direct3D9:
|
|
|
|
s_shaderPath = "shaders/dx9/";
|
|
|
|
break;
|
|
|
|
|
|
|
|
case bgfx::RendererType::Direct3D11:
|
|
|
|
s_shaderPath = "shaders/dx11/";
|
|
|
|
break;
|
|
|
|
|
|
|
|
case bgfx::RendererType::OpenGL:
|
|
|
|
s_shaderPath = "shaders/glsl/";
|
|
|
|
break;
|
|
|
|
|
|
|
|
case bgfx::RendererType::OpenGLES2:
|
2012-10-14 09:21:02 +04:00
|
|
|
case bgfx::RendererType::OpenGLES3:
|
2012-09-17 04:36:08 +04:00
|
|
|
s_shaderPath = "shaders/gles/";
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Create vertex stream declaration.
|
|
|
|
s_PosNormalColorDecl.begin();
|
|
|
|
s_PosNormalColorDecl.add(bgfx::Attrib::Position, 3, bgfx::AttribType::Float);
|
|
|
|
s_PosNormalColorDecl.add(bgfx::Attrib::Normal, 3, bgfx::AttribType::Float);
|
|
|
|
s_PosNormalColorDecl.add(bgfx::Attrib::Color0, 4, bgfx::AttribType::Uint8, true);
|
|
|
|
s_PosNormalColorDecl.end();
|
|
|
|
|
|
|
|
const bgfx::Memory* mem;
|
|
|
|
|
|
|
|
// Load vertex shader.
|
|
|
|
mem = loadShader("vs_metaballs");
|
|
|
|
bgfx::VertexShaderHandle vsh = bgfx::createVertexShader(mem);
|
|
|
|
|
|
|
|
// Load fragment shader.
|
|
|
|
mem = loadShader("fs_metaballs");
|
|
|
|
bgfx::FragmentShaderHandle fsh = bgfx::createFragmentShader(mem);
|
|
|
|
|
|
|
|
// Create program from shaders.
|
|
|
|
bgfx::ProgramHandle program = bgfx::createProgram(vsh, fsh);
|
|
|
|
|
|
|
|
// We can destroy vertex and fragment shader here since
|
|
|
|
// their reference is kept inside bgfx after calling createProgram.
|
|
|
|
// Vertex and fragment shader will be destroyed once program is
|
|
|
|
// destroyed.
|
|
|
|
bgfx::destroyVertexShader(vsh);
|
|
|
|
bgfx::destroyFragmentShader(fsh);
|
|
|
|
|
|
|
|
#define DIMS 32
|
|
|
|
|
|
|
|
Grid* grid = new Grid[DIMS*DIMS*DIMS];
|
|
|
|
const uint32_t ypitch = DIMS;
|
|
|
|
const uint32_t zpitch = DIMS*DIMS;
|
|
|
|
const float invdim = 1.0f/float(DIMS-1);
|
|
|
|
|
2013-04-27 23:43:18 +04:00
|
|
|
int64_t timeOffset = bx::getHPCounter();
|
|
|
|
|
2013-02-22 10:05:33 +04:00
|
|
|
while (!processEvents(width, height, debug, reset) )
|
2013-02-22 09:07:31 +04:00
|
|
|
{
|
|
|
|
// Set view 0 default viewport.
|
|
|
|
bgfx::setViewRect(0, 0, 0, width, height);
|
|
|
|
|
2012-09-17 04:36:08 +04:00
|
|
|
// This dummy draw call is here to make sure that view 0 is cleared
|
2012-10-08 07:41:18 +04:00
|
|
|
// if no other draw calls are submitted to view 0.
|
2012-09-17 04:36:08 +04:00
|
|
|
bgfx::submit(0);
|
|
|
|
|
|
|
|
int64_t now = bx::getHPCounter();
|
|
|
|
static int64_t last = now;
|
|
|
|
const int64_t frameTime = now - last;
|
|
|
|
last = now;
|
|
|
|
const double freq = double(bx::getHPFrequency() );
|
|
|
|
const double toMs = 1000.0/freq;
|
2013-04-27 23:43:18 +04:00
|
|
|
float time = (float)( (now - timeOffset)/double(bx::getHPFrequency() ) );
|
2012-09-17 04:36:08 +04:00
|
|
|
|
|
|
|
// Use debug font to print information about this example.
|
|
|
|
bgfx::dbgTextClear();
|
|
|
|
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/02-metaball");
|
|
|
|
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Rendering with transient buffers.");
|
|
|
|
|
|
|
|
float at[3] = { 0.0f, 0.0f, 0.0f };
|
|
|
|
float eye[3] = { 0.0f, 0.0f, -50.0f };
|
|
|
|
|
|
|
|
float view[16];
|
|
|
|
float proj[16];
|
|
|
|
mtxLookAt(view, eye, at);
|
|
|
|
mtxProj(proj, 60.0f, 16.0f/9.0f, 0.1f, 100.0f);
|
|
|
|
|
|
|
|
// Set view and projection matrix for view 0.
|
|
|
|
bgfx::setViewTransform(0, view, proj);
|
|
|
|
|
|
|
|
// Stats.
|
|
|
|
uint32_t numVertices = 0;
|
2012-09-17 04:59:21 +04:00
|
|
|
int64_t profUpdate = 0;
|
|
|
|
int64_t profNormal = 0;
|
|
|
|
int64_t profTriangulate = 0;
|
2012-09-17 04:36:08 +04:00
|
|
|
|
|
|
|
// Allocate 32K vertices in transient vertex buffer.
|
|
|
|
uint32_t maxVertices = (32<<10);
|
2012-11-11 07:59:23 +04:00
|
|
|
bgfx::TransientVertexBuffer tvb;
|
|
|
|
bgfx::allocTransientVertexBuffer(&tvb, maxVertices, s_PosNormalColorDecl);
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
const uint32_t numSpheres = 16;
|
|
|
|
float sphere[numSpheres][4];
|
|
|
|
for (uint32_t ii = 0; ii < numSpheres; ++ii)
|
2012-09-17 04:36:08 +04:00
|
|
|
{
|
2012-11-11 07:59:23 +04:00
|
|
|
sphere[ii][0] = sin(time*(ii*0.21f)+ii*0.37f) * (DIMS * 0.5f - 8.0f);
|
|
|
|
sphere[ii][1] = sin(time*(ii*0.37f)+ii*0.67f) * (DIMS * 0.5f - 8.0f);
|
|
|
|
sphere[ii][2] = cos(time*(ii*0.11f)+ii*0.13f) * (DIMS * 0.5f - 8.0f);
|
|
|
|
sphere[ii][3] = 1.0f/(2.0f + (sin(time*(ii*0.13f) )*0.5f+0.5f)*2.0f);
|
|
|
|
}
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
profUpdate = bx::getHPCounter();
|
|
|
|
|
|
|
|
for (uint32_t zz = 0; zz < DIMS; ++zz)
|
|
|
|
{
|
|
|
|
for (uint32_t yy = 0; yy < DIMS; ++yy)
|
2012-09-17 04:36:08 +04:00
|
|
|
{
|
2012-11-11 07:59:23 +04:00
|
|
|
uint32_t offset = (zz*DIMS+yy)*DIMS;
|
|
|
|
|
|
|
|
for (uint32_t xx = 0; xx < DIMS; ++xx)
|
2012-09-17 04:36:08 +04:00
|
|
|
{
|
2012-11-11 07:59:23 +04:00
|
|
|
uint32_t xoffset = offset + xx;
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
float dist = 0.0f;
|
|
|
|
float prod = 1.0f;
|
|
|
|
for (uint32_t ii = 0; ii < numSpheres; ++ii)
|
2012-09-17 04:36:08 +04:00
|
|
|
{
|
2012-11-11 07:59:23 +04:00
|
|
|
const float* pos = sphere[ii];
|
|
|
|
float dx = pos[0] - (-DIMS*0.5f + float(xx) );
|
|
|
|
float dy = pos[1] - (-DIMS*0.5f + float(yy) );
|
|
|
|
float dz = pos[2] - (-DIMS*0.5f + float(zz) );
|
|
|
|
float invr = pos[3];
|
|
|
|
float dot = dx*dx + dy*dy + dz*dz;
|
|
|
|
dot *= invr*invr;
|
|
|
|
|
|
|
|
dist *= dot;
|
|
|
|
dist += prod;
|
|
|
|
prod *= dot;
|
2012-09-17 04:36:08 +04:00
|
|
|
}
|
2012-11-11 07:59:23 +04:00
|
|
|
|
|
|
|
grid[xoffset].m_val = dist / prod - 1.0f;
|
2012-09-17 04:36:08 +04:00
|
|
|
}
|
|
|
|
}
|
2012-11-11 07:59:23 +04:00
|
|
|
}
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
profUpdate = bx::getHPCounter() - profUpdate;
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
profNormal = bx::getHPCounter();
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
for (uint32_t zz = 1; zz < DIMS-1; ++zz)
|
|
|
|
{
|
|
|
|
for (uint32_t yy = 1; yy < DIMS-1; ++yy)
|
2012-09-17 04:36:08 +04:00
|
|
|
{
|
2012-11-11 07:59:23 +04:00
|
|
|
uint32_t offset = (zz*DIMS+yy)*DIMS;
|
|
|
|
|
|
|
|
for (uint32_t xx = 1; xx < DIMS-1; ++xx)
|
2012-09-17 04:36:08 +04:00
|
|
|
{
|
2012-11-11 07:59:23 +04:00
|
|
|
uint32_t xoffset = offset + xx;
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
float normal[3] =
|
2012-09-17 04:36:08 +04:00
|
|
|
{
|
2012-11-11 07:59:23 +04:00
|
|
|
grid[xoffset-1 ].m_val - grid[xoffset+1 ].m_val,
|
|
|
|
grid[xoffset-ypitch].m_val - grid[xoffset+ypitch].m_val,
|
|
|
|
grid[xoffset-zpitch].m_val - grid[xoffset+zpitch].m_val,
|
|
|
|
};
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
vec3Norm(grid[xoffset].m_normal, normal);
|
2012-09-17 04:36:08 +04:00
|
|
|
}
|
|
|
|
}
|
2012-11-11 07:59:23 +04:00
|
|
|
}
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
profNormal = bx::getHPCounter() - profNormal;
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
profTriangulate = bx::getHPCounter();
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
PosNormalColorVertex* vertex = (PosNormalColorVertex*)tvb.data;
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
for (uint32_t zz = 0; zz < DIMS-1 && numVertices+12 < maxVertices; ++zz)
|
|
|
|
{
|
|
|
|
float rgb[6];
|
|
|
|
rgb[2] = zz*invdim;
|
|
|
|
rgb[5] = (zz+1)*invdim;
|
|
|
|
|
|
|
|
for (uint32_t yy = 0; yy < DIMS-1 && numVertices+12 < maxVertices; ++yy)
|
2012-09-17 04:36:08 +04:00
|
|
|
{
|
2012-11-11 07:59:23 +04:00
|
|
|
uint32_t offset = (zz*DIMS+yy)*DIMS;
|
|
|
|
|
|
|
|
rgb[1] = yy*invdim;
|
|
|
|
rgb[4] = (yy+1)*invdim;
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
for (uint32_t xx = 0; xx < DIMS-1 && numVertices+12 < maxVertices; ++xx)
|
2012-09-17 04:36:08 +04:00
|
|
|
{
|
2012-11-11 07:59:23 +04:00
|
|
|
uint32_t xoffset = offset + xx;
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
rgb[0] = xx*invdim;
|
|
|
|
rgb[3] = (xx+1)*invdim;
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
float pos[3] =
|
2012-09-17 04:36:08 +04:00
|
|
|
{
|
2012-11-11 07:59:23 +04:00
|
|
|
-DIMS*0.5f + float(xx),
|
|
|
|
-DIMS*0.5f + float(yy),
|
|
|
|
-DIMS*0.5f + float(zz)
|
|
|
|
};
|
|
|
|
|
|
|
|
const Grid* val[8] = {
|
|
|
|
&grid[xoffset+zpitch+ypitch ],
|
|
|
|
&grid[xoffset+zpitch+ypitch+1],
|
|
|
|
&grid[xoffset+ypitch+1 ],
|
|
|
|
&grid[xoffset+ypitch ],
|
|
|
|
&grid[xoffset+zpitch ],
|
|
|
|
&grid[xoffset+zpitch+1 ],
|
|
|
|
&grid[xoffset+1 ],
|
|
|
|
&grid[xoffset ],
|
|
|
|
};
|
|
|
|
|
|
|
|
uint32_t num = triangulate( (uint8_t*)vertex, s_PosNormalColorDecl.m_stride, rgb, pos, val, 0.5f);
|
|
|
|
vertex += num;
|
|
|
|
numVertices += num;
|
2012-09-17 04:36:08 +04:00
|
|
|
}
|
|
|
|
}
|
2012-11-11 07:59:23 +04:00
|
|
|
}
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
profTriangulate = bx::getHPCounter() - profTriangulate;
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
float mtx[16];
|
|
|
|
mtxRotateXY(mtx, time*0.67f, time);
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
// Set model matrix for rendering.
|
|
|
|
bgfx::setTransform(mtx);
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
// Set vertex and fragment shaders.
|
|
|
|
bgfx::setProgram(program);
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
// Set vertex and index buffer.
|
|
|
|
bgfx::setVertexBuffer(&tvb, numVertices);
|
2012-09-17 04:36:08 +04:00
|
|
|
|
2012-11-11 07:59:23 +04:00
|
|
|
// Submit primitive for rendering to view 0.
|
|
|
|
bgfx::submit(0);
|
2012-09-17 04:36:08 +04:00
|
|
|
|
|
|
|
// Display stats.
|
|
|
|
bgfx::dbgTextPrintf(1, 4, 0x0f, "Num vertices: %5d (%6.4f%%)", numVertices, float(numVertices)/maxVertices * 100);
|
|
|
|
bgfx::dbgTextPrintf(1, 5, 0x0f, " Update: % 7.3f[ms]", double(profUpdate)*toMs);
|
|
|
|
bgfx::dbgTextPrintf(1, 6, 0x0f, "Calc normals: % 7.3f[ms]", double(profNormal)*toMs);
|
|
|
|
bgfx::dbgTextPrintf(1, 7, 0x0f, " Triangulate: % 7.3f[ms]", double(profTriangulate)*toMs);
|
|
|
|
bgfx::dbgTextPrintf(1, 8, 0x0f, " Frame: % 7.3f[ms]", double(frameTime)*toMs);
|
|
|
|
|
|
|
|
// Advance to next frame. Rendering thread will be kicked to
|
|
|
|
// process submitted rendering primitives.
|
|
|
|
bgfx::frame();
|
|
|
|
}
|
|
|
|
|
|
|
|
delete [] grid;
|
|
|
|
|
|
|
|
// Cleanup.
|
|
|
|
bgfx::destroyProgram(program);
|
|
|
|
|
|
|
|
// Shutdown bgfx.
|
|
|
|
bgfx::shutdown();
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|