mirrors
/
bgfx
mirror of https://github.com/bkaradzic/bgfx
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Cleanup.

This commit is contained in:
Branimir Karadžić 2014-05-19 22:08:35 -07:00
parent f91addf88a
commit 1d82b0c07b
9 changed files with 70 additions and 381 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
examples/03-raymarch/raymarch.cpp
View File

@ -32,25 +32,12 @@ bgfx::VertexDecl PosColorTexCoord0Vertex::ms_decl;
static bool s_flipV = false;
bool allocTransientBuffers(bgfx::TransientVertexBuffer* _tvb, const bgfx::VertexDecl& _decl, uint16_t _numVertices, bgfx::TransientIndexBuffer* _tib, uint16_t _numIndices)
{
if (bgfx::checkAvailTransientVertexBuffer(_numVertices, _decl)
&& bgfx::checkAvailTransientIndexBuffer(_numIndices) )
{
bgfx::allocTransientVertexBuffer(_tvb, _numVertices, _decl);
bgfx::allocTransientIndexBuffer(_tib, _numIndices);
return true;
}
return false;
}
void renderScreenSpaceQuad(uint32_t _view, bgfx::ProgramHandle _program, float _x, float _y, float _width, float _height)
{
bgfx::TransientVertexBuffer tvb;
bgfx::TransientIndexBuffer tib;
if (allocTransientBuffers(&tvb, PosColorTexCoord0Vertex::ms_decl, 4, &tib, 6) )
if (bgfx::allocTransientBuffers(&tvb, PosColorTexCoord0Vertex::ms_decl, 4, &tib, 6) )
{
PosColorTexCoord0Vertex* vertex = (PosColorTexCoord0Vertex*)tvb.data;

42
tools/geometryc/bounds.cpp → examples/common/bounds.cpp
View File

@ -5,7 +5,7 @@
#include <bx/rng.h>
#include "bounds.h"
#include "math.h"
#include "fpumath.h"
void aabbToObb(Obb& _obb, const Aabb& _aabb)
{
@ -19,6 +19,20 @@ void aabbToObb(Obb& _obb, const Aabb& _aabb)
_obb.m_mtx[15] = 1.0f;
}
void sphereToAabb(Aabb& _aabb, const Sphere& _sphere)
{
float xx = _sphere.m_center[0];
float yy = _sphere.m_center[1];
float zz = _sphere.m_center[2];
float radius = _sphere.m_radius;
_aabb.m_min[0] = xx - radius;
_aabb.m_min[1] = yy - radius;
_aabb.m_min[2] = zz - radius;
_aabb.m_max[0] = xx + radius;
_aabb.m_max[1] = yy + radius;
_aabb.m_max[2] = zz + radius;
}
void aabbTransformToObb(Obb& _obb, const Aabb& _aabb, const float* _mtx)
{
aabbToObb(_obb, _aabb);
@ -53,12 +67,12 @@ void calcAabb(Aabb& _aabb, const void* _vertices, uint32_t _numVertices, uint32_
float xx = position[0];
float yy = position[1];
float zz = position[2];
min[0] = fmin(xx, min[0]);
min[1] = fmin(yy, min[1]);
min[2] = fmin(zz, min[2]);
max[0] = fmax(xx, max[0]);
max[1] = fmax(yy, max[1]);
max[2] = fmax(zz, max[2]);
min[0] = fminf(xx, min[0]);
min[1] = fminf(yy, min[1]);
min[2] = fminf(zz, min[2]);
max[0] = fmaxf(xx, max[0]);
max[1] = fmaxf(yy, max[1]);
max[2] = fmaxf(zz, max[2]);
}
_aabb.m_min[0] = min[0];
@ -89,12 +103,12 @@ void calcAabb(Aabb& _aabb, const float* _mtx, const void* _vertices, uint32_t _n
float xx = position[0];
float yy = position[1];
float zz = position[2];
min[0] = fmin(xx, min[0]);
min[1] = fmin(yy, min[1]);
min[2] = fmin(zz, min[2]);
max[0] = fmax(xx, max[0]);
max[1] = fmax(yy, max[1]);
max[2] = fmax(zz, max[2]);
min[0] = fminf(xx, min[0]);
min[1] = fminf(yy, min[1]);
min[2] = fminf(zz, min[2]);
max[0] = fmaxf(xx, max[0]);
max[1] = fmaxf(yy, max[1]);
max[2] = fmaxf(zz, max[2]);
}
_aabb.m_min[0] = min[0];
@ -176,7 +190,7 @@ void calcMaxBoundingSphere(Sphere& _sphere, const void* _vertices, uint32_t _num
float zz = position[2] - center[2];
float distSq = xx*xx + yy*yy + zz*zz;
maxDistSq = fmax(distSq, maxDistSq);
maxDistSq = fmaxf(distSq, maxDistSq);
}
_sphere.m_center[0] = center[0];

3
tools/geometryc/bounds.h → examples/common/bounds.h
View File

@ -26,6 +26,9 @@ struct Sphere
/// Convert axis aligned bounding box to oriented bounding box.
void aabbToObb(Obb& _obb, const Aabb& _aabb);
/// Convert sphere to axis aligned bounding box.
void sphereToAabb(Aabb& _aabb, const Sphere& _sphere);
/// Calculate surface area of axis aligned bounding box.
float calcAabbArea(Aabb& _aabb);

24
include/bgfx.h
View File

@ -745,6 +745,10 @@ namespace bgfx
void dbgTextPrintf(uint16_t _x, uint16_t _y, uint8_t _attr, const char* _format, ...);
/// Create static index buffer.
///
/// NOTE:
/// Only 16-bit index buffer is supported.
///
IndexBufferHandle createIndexBuffer(const Memory* _mem);
/// Destroy static index buffer.
@ -768,12 +772,18 @@ namespace bgfx
///
/// @param _num Number of indices.
///
/// NOTE:
/// Only 16-bit index buffer is supported.
///
DynamicIndexBufferHandle createDynamicIndexBuffer(uint32_t _num);
/// Create dynamic index buffer and initialized it.
///
/// @param _mem Index buffer data.
///
/// NOTE:
/// Only 16-bit index buffer is supported.
///
DynamicIndexBufferHandle createDynamicIndexBuffer(const Memory* _mem);
/// Update dynamic index buffer.
@ -846,8 +856,9 @@ namespace bgfx
/// @param _num Number of indices to allocate.
///
/// NOTE:
/// You must call setIndexBuffer after alloc in order to avoid memory
/// leak.
/// 1. You must call setIndexBuffer after alloc in order to avoid memory
/// leak.
/// 2. Only 16-bit index buffer is supported.
///
void allocTransientIndexBuffer(TransientIndexBuffer* _tib, uint32_t _num);
@ -865,6 +876,15 @@ namespace bgfx
///
void allocTransientVertexBuffer(TransientVertexBuffer* _tvb, uint32_t _num, const VertexDecl& _decl);
/// Check for required space and allocate transient vertex and index
/// buffers. If both space requirements are satisfied function returns
/// true.
///
/// NOTE:
/// Only 16-bit index buffer is supported.
///
bool allocTransientBuffers(bgfx::TransientVertexBuffer* _tvb, const bgfx::VertexDecl& _decl, uint16_t _numVertices, bgfx::TransientIndexBuffer* _tib, uint16_t _numIndices);
/// Allocate instance data buffer.
///
/// NOTE:

2
premake/geometryc.lua
View File

@ -11,6 +11,7 @@ project "geometryc"
BX_DIR .. "include",
BGFX_DIR .. "include",
BGFX_DIR .. "3rdparty/forsyth-too",
BGFX_DIR .. "examples/common",
}
files {
@ -19,6 +20,7 @@ project "geometryc"
BGFX_DIR .. "src/vertexdecl.**",
BGFX_DIR .. "tools/geometryc/**.cpp",
BGFX_DIR .. "tools/geometryc/**.h",
BGFX_DIR .. "examples/common/bounds.**",
}
configuration { "osx" }

12
src/bgfx.cpp
View File

@ -1912,6 +1912,18 @@ namespace bgfx
return s_ctx->allocTransientVertexBuffer(_tvb, _num, _decl);
}
bool allocTransientBuffers(bgfx::TransientVertexBuffer* _tvb, const bgfx::VertexDecl& _decl, uint16_t _numVertices, bgfx::TransientIndexBuffer* _tib, uint16_t _numIndices)
{
if (checkAvailTransientBuffers(_numVertices, _decl, _numIndices) )
{
allocTransientVertexBuffer(_tvb, _numVertices, _decl);
allocTransientIndexBuffer(_tib, _numIndices);
return true;
}
return false;
}
const InstanceDataBuffer* allocInstanceDataBuffer(uint32_t _num, uint16_t _stride)
{
BGFX_CHECK_MAIN_THREAD();

2
src/config.h
View File

@ -126,7 +126,7 @@
#endif // BGFX_CONFIG_MAX_MATRIX_CACHE
#ifndef BGFX_CONFIG_MAX_RECT_CACHE
# define BGFX_CONFIG_MAX_RECT_CACHE 512
# define BGFX_CONFIG_MAX_RECT_CACHE (4<<10)
#endif // BGFX_CONFIG_MAX_RECT_CACHE
#ifndef BGFX_CONFIG_MAX_VIEWS

2
tools/geometryc/geometryc.cpp
View File

@ -60,7 +60,7 @@
#include "tokenizecmd.h"
#include "bounds.h"
#include "math.h"
#include "fpumath.h"
struct Vector3
{

349
tools/geometryc/math.h
View File

@ -1,349 +0,0 @@
/*
* Copyright 2011-2014 Branimir Karadzic. All rights reserved.
* License: http://www.opensource.org/licenses/BSD-2-Clause
*/
// FPU math lib
#ifndef FPU_MATH_H_HEADER_GUARD
#define FPU_MATH_H_HEADER_GUARD
#define _USE_MATH_DEFINES
#include <math.h>
#include <string.h>
inline float fmin(float _a, float _b)
{
return _a < _b ? _a : _b;
}
inline float fmax(float _a, float _b)
{
return _a > _b ? _a : _b;
}
inline float flerp(float _a, float _b, float _t)
{
return _a + (_b - _a) * _t;
}
inline void vec3Add(float* __restrict _result, const float* __restrict _a, const float* __restrict _b)
{
_result[0] = _a[0] + _b[0];
_result[1] = _a[1] + _b[1];
_result[2] = _a[2] + _b[2];
}
inline void vec3Sub(float* __restrict _result, const float* __restrict _a, const float* __restrict _b)
{
_result[0] = _a[0] - _b[0];
_result[1] = _a[1] - _b[1];
_result[2] = _a[2] - _b[2];
}
inline void vec3Mul(float* __restrict _result, const float* __restrict _a, const float* __restrict _b)
{
_result[0] = _a[0] * _b[0];
_result[1] = _a[1] * _b[1];
_result[2] = _a[2] * _b[2];
}
inline void vec3Mul(float* __restrict _result, const float* __restrict _a, float _b)
{
_result[0] = _a[0] * _b;
_result[1] = _a[1] * _b;
_result[2] = _a[2] * _b;
}
inline float vec3Dot(const float* __restrict _a, const float* __restrict _b)
{
return _a[0]*_b[0] + _a[1]*_b[1] + _a[2]*_b[2];
}
inline void vec3Cross(float* __restrict _result, const float* __restrict _a, const float* __restrict _b)
{
_result[0] = _a[1]*_b[2] - _a[2]*_b[1];
_result[1] = _a[2]*_b[0] - _a[0]*_b[2];
_result[2] = _a[0]*_b[1] - _a[1]*_b[0];
}
inline void vec3Norm(float* __restrict _result, const float* __restrict _a)
{
float scale = 1.0f/sqrtf(vec3Dot(_a, _a) );
_result[0] = _a[0] * scale;
_result[1] = _a[1] * scale;
_result[2] = _a[2] * scale;
}
inline void mtxIdentity(float* _result)
{
memset(_result, 0, sizeof(float)*16);
_result[0] = _result[5] = _result[10] = _result[15] = 1.0f;
}
inline void mtxLookAt(float* __restrict _result, const float* __restrict _eye, const float* __restrict _at)
{
float tmp[4];
vec3Sub(tmp, _at, _eye);
float view[4];
vec3Norm(view, tmp);
float up[3] = { 0.0f, 1.0f, 0.0f };
vec3Cross(tmp, up, view);
float right[4];
vec3Norm(right, tmp);
vec3Cross(up, view, right);
memset(_result, 0, sizeof(float)*16);
_result[ 0] = right[0];
_result[ 1] = up[0];
_result[ 2] = view[0];
_result[ 4] = right[1];
_result[ 5] = up[1];
_result[ 6] = view[1];
_result[ 8] = right[2];
_result[ 9] = up[2];
_result[10] = view[2];
_result[12] = -vec3Dot(right, _eye);
_result[13] = -vec3Dot(up, _eye);
_result[14] = -vec3Dot(view, _eye);
_result[15] = 1.0f;
}
inline void mtxProj(float* _result, float _fovy, float _aspect, float _near, float _far)
{
float height = 1.0f/tanf(_fovy*( (float)M_PI/180.0f)*0.5f);
float width = height * 1.0f/_aspect;
float aa = _far/(_far-_near);
float bb = -_near * aa;
memset(_result, 0, sizeof(float)*16);
_result[0] = width;
_result[5] = height;
_result[10] = aa;
_result[11] = 1.0f;
_result[14] = bb;
}
inline void mtxOrtho(float* _result, float _left, float _right, float _bottom, float _top, float _near, float _far)
{
const float aa = 2.0f/(_right - _left);
const float bb = 2.0f/(_top - _bottom);
const float cc = 1.0f/(_far - _near);
const float dd = (_left + _right)/(_left - _right);
const float ee = (_top + _bottom)/(_bottom - _top);
const float ff = _near / (_near - _far);
memset(_result, 0, sizeof(float)*16);
_result[0] = aa;
_result[5] = bb;
_result[10] = cc;
_result[12] = dd;
_result[13] = ee;
_result[14] = ff;
_result[15] = 1.0f;
}
inline void mtxRotateX(float* _result, float _ax)
{
float sx = sinf(_ax);
float cx = cosf(_ax);
memset(_result, 0, sizeof(float)*16);
_result[ 0] = 1.0f;
_result[ 5] = cx;
_result[ 6] = -sx;
_result[ 9] = sx;
_result[10] = cx;
_result[15] = 1.0f;
}
inline void mtxRotateY(float* _result, float _ay)
{
float sy = sinf(_ay);
float cy = cosf(_ay);
memset(_result, 0, sizeof(float)*16);
_result[ 0] = cy;
_result[ 2] = sy;
_result[ 5] = 1.0f;
_result[ 8] = -sy;
_result[10] = cy;
_result[15] = 1.0f;
}
inline void mtxRotateZ(float* _result, float _az)
{
float sz = sinf(_az);
float cz = cosf(_az);
memset(_result, 0, sizeof(float)*16);
_result[ 0] = cz;
_result[ 1] = -sz;
_result[ 4] = sz;
_result[ 5] = cz;
_result[10] = 1.0f;
_result[15] = 1.0f;
}
inline void mtxRotateXY(float* _result, float _ax, float _ay)
{
float sx = sinf(_ax);
float cx = cosf(_ax);
float sy = sinf(_ay);
float cy = cosf(_ay);
memset(_result, 0, sizeof(float)*16);
_result[ 0] = cy;
_result[ 2] = -sy;
_result[ 4] = -sx*sy;
_result[ 5] = cx;
_result[ 6] = -sx*cy;
_result[ 8] = cx*sy;
_result[ 9] = sx;
_result[10] = cx*cy;
_result[15] = 1.0f;
}
inline void mtxRotateXYZ(float* _result, float _ax, float _ay, float _az)
{
float sx = sinf(_ax);
float cx = cosf(_ax);
float sy = sinf(_ay);
float cy = cosf(_ay);
float sz = sinf(_az);
float cz = cosf(_az);
memset(_result, 0, sizeof(float)*16);
_result[ 0] = cy*cz;
_result[ 1] = -cy*sz;
_result[ 2] = sy;
_result[ 4] = cz*sx*sy + cx*sz;
_result[ 5] = cx*cz - sx*sy*sz;
_result[ 6] = -cy*sx;
_result[ 8] = -cx*cz*sy + sx*sz;
_result[ 9] = cz*sx + cx*sy*sz;
_result[10] = cx*cy;
_result[15] = 1.0f;
}
inline void mtxRotateZYX(float* _result, float _ax, float _ay, float _az)
{
float sx = sinf(_ax);
float cx = cosf(_ax);
float sy = sinf(_ay);
float cy = cosf(_ay);
float sz = sinf(_az);
float cz = cosf(_az);
memset(_result, 0, sizeof(float)*16);
_result[ 0] = cy*cz;
_result[ 1] = cz*sx*sy-cx*sz;
_result[ 2] = cx*cz*sy+sx*sz;
_result[ 4] = cy*sz;
_result[ 5] = cx*cz + sx*sy*sz;
_result[ 6] = -cz*sx + cx*sy*sz;
_result[ 8] = -sy;
_result[ 9] = cy*sx;
_result[10] = cx*cy;
_result[15] = 1.0f;
};
inline void vec3MulMtx(float* __restrict _result, const float* __restrict _vec, const float* __restrict _mat)
{
_result[0] = _vec[0] * _mat[ 0] + _vec[1] * _mat[4] + _vec[2] * _mat[ 8] + _mat[12];
_result[1] = _vec[0] * _mat[ 1] + _vec[1] * _mat[5] + _vec[2] * _mat[ 9] + _mat[13];
_result[2] = _vec[0] * _mat[ 2] + _vec[1] * _mat[6] + _vec[2] * _mat[10] + _mat[14];
}
inline void vec4MulMtx(float* __restrict _result, const float* __restrict _vec, const float* __restrict _mat)
{
_result[0] = _vec[0] * _mat[ 0] + _vec[1] * _mat[4] + _vec[2] * _mat[ 8] + _vec[3] * _mat[12];
_result[1] = _vec[0] * _mat[ 1] + _vec[1] * _mat[5] + _vec[2] * _mat[ 9] + _vec[3] * _mat[13];
_result[2] = _vec[0] * _mat[ 2] + _vec[1] * _mat[6] + _vec[2] * _mat[10] + _vec[3] * _mat[14];
_result[3] = _vec[0] * _mat[ 3] + _vec[1] * _mat[7] + _vec[2] * _mat[11] + _vec[3] * _mat[15];
}
inline void mtxMul(float* __restrict _result, const float* __restrict _a, const float* __restrict _b)
{
vec4MulMtx(&_result[ 0], &_a[ 0], _b);
vec4MulMtx(&_result[ 4], &_a[ 4], _b);
vec4MulMtx(&_result[ 8], &_a[ 8], _b);
vec4MulMtx(&_result[12], &_a[12], _b);
}
inline void mtxTranspose(float* __restrict _result, const float* __restrict _a)
{
_result[ 0] = _a[ 0];
_result[ 4] = _a[ 1];
_result[ 8] = _a[ 2];
_result[12] = _a[ 3];
_result[ 1] = _a[ 4];
_result[ 5] = _a[ 5];
_result[ 9] = _a[ 6];
_result[13] = _a[ 7];
_result[ 2] = _a[ 8];
_result[ 6] = _a[ 9];
_result[10] = _a[10];
_result[14] = _a[11];
_result[ 3] = _a[12];
_result[ 7] = _a[13];
_result[11] = _a[14];
_result[15] = _a[15];
}
inline void mtxInverse(float* __restrict _result, const float* __restrict _a)
{
float xx = _a[ 0];
float xy = _a[ 1];
float xz = _a[ 2];
float xw = _a[ 3];
float yx = _a[ 4];
float yy = _a[ 5];
float yz = _a[ 6];
float yw = _a[ 7];
float zx = _a[ 8];
float zy = _a[ 9];
float zz = _a[10];
float zw = _a[11];
float wx = _a[12];
float wy = _a[13];
float wz = _a[14];
float ww = _a[15];
float det = 0.0f;
det += xx * (yy*(zz*ww - zw*wz) - yz*(zy*ww - zw*wy) + yw*(zy*wz - zz*wy) );
det -= xy * (yx*(zz*ww - zw*wz) - yz*(zx*ww - zw*wx) + yw*(zx*wz - zz*wx) );
det += xz * (yx*(zy*ww - zw*wy) - yy*(zx*ww - zw*wx) + yw*(zx*wy - zy*wx) );
det -= xw * (yx*(zy*wz - zz*wy) - yy*(zx*wz - zz*wx) + yz*(zx*wy - zy*wx) );
float invDet = 1.0f/det;
_result[ 0] = +(yy*(zz*ww - wz*zw) - yz*(zy*ww - wy*zw) + yw*(zy*wz - wy*zz) ) * invDet;
_result[ 1] = -(xy*(zz*ww - wz*zw) - xz*(zy*ww - wy*zw) + xw*(zy*wz - wy*zz) ) * invDet;
_result[ 2] = +(xy*(yz*ww - wz*yw) - xz*(yy*ww - wy*yw) + xw*(yy*wz - wy*yz) ) * invDet;
_result[ 3] = -(xy*(yz*zw - zz*yw) - xz*(yy*zw - zy*yw) + xw*(yy*zz - zy*yz) ) * invDet;
_result[ 4] = -(yx*(zz*ww - wz*zw) - yz*(zx*ww - wx*zw) + yw*(zx*wz - wx*zz) ) * invDet;
_result[ 5] = +(xx*(zz*ww - wz*zw) - xz*(zx*ww - wx*zw) + xw*(zx*wz - wx*zz) ) * invDet;
_result[ 6] = -(xx*(yz*ww - wz*yw) - xz*(yx*ww - wx*yw) + xw*(yx*wz - wx*yz) ) * invDet;
_result[ 7] = +(xx*(yz*zw - zz*yw) - xz*(yx*zw - zx*yw) + xw*(yx*zz - zx*yz) ) * invDet;
_result[ 8] = +(yx*(zy*ww - wy*zw) - yy*(zx*ww - wx*zw) + yw*(zx*wy - wx*zy) ) * invDet;
_result[ 9] = -(xx*(zy*ww - wy*zw) - xy*(zx*ww - wx*zw) + xw*(zx*wy - wx*zy) ) * invDet;
_result[10] = +(xx*(yy*ww - wy*yw) - xy*(yx*ww - wx*yw) + xw*(yx*wy - wx*yy) ) * invDet;
_result[11] = -(xx*(yy*zw - zy*yw) - xy*(yx*zw - zx*yw) + xw*(yx*zy - zx*yy) ) * invDet;
_result[12] = -(yx*(zy*wz - wy*zz) - yy*(zx*wz - wx*zz) + yz*(zx*wy - wx*zy) ) * invDet;
_result[13] = +(xx*(zy*wz - wy*zz) - xy*(zx*wz - wx*zz) + xz*(zx*wy - wx*zy) ) * invDet;
_result[14] = -(xx*(yy*wz - wy*yz) - xy*(yx*wz - wx*yz) + xz*(yx*wy - wx*yy) ) * invDet;
_result[15] = +(xx*(yy*zz - zy*yz) - xy*(yx*zz - zx*yz) + xz*(yx*zy - zx*yy) ) * invDet;
}
#endif // FPU_MATH_H_HEADER_GUARD