David Adam : d3dx8: Allow output pointer to be equal to input pointer.
Module: wine Branch: master Commit: 77c857d8885e94452854c2c03f401405e3815189 URL: http://source.winehq.org/git/wine.git/?a=commit;h=77c857d8885e94452854c2c03f... Author: David Adam <david.adam.cnrs(a)gmail.com> Date: Sat Jan 31 11:17:45 2009 +0100 d3dx8: Allow output pointer to be equal to input pointer. --- dlls/d3dx8/math.c | 116 ++++++++++++++++++++++++++++++----------------------- 1 files changed, 66 insertions(+), 50 deletions(-) diff --git a/dlls/d3dx8/math.c b/dlls/d3dx8/math.c index bcab3b4..8dda418 100644 --- a/dlls/d3dx8/math.c +++ b/dlls/d3dx8/math.c @@ -114,6 +114,7 @@ FLOAT WINAPI D3DXMatrixfDeterminant(CONST D3DXMATRIX *pm) D3DXMATRIX* WINAPI D3DXMatrixInverse(D3DXMATRIX *pout, FLOAT *pdeterminant, CONST D3DXMATRIX *pm) { int a, i, j; + D3DXMATRIX out; D3DXVECTOR4 v, vec[3]; FLOAT det; @@ -135,11 +136,12 @@ D3DXMATRIX* WINAPI D3DXMatrixInverse(D3DXMATRIX *pout, FLOAT *pdeterminant, CONS } } D3DXVec4Cross(&v, &vec[0], &vec[1], &vec[2]); - pout->u.m[0][i] = pow(-1.0f, i) * v.x / det; - pout->u.m[1][i] = pow(-1.0f, i) * v.y / det; - pout->u.m[2][i] = pow(-1.0f, i) * v.z / det; - pout->u.m[3][i] = pow(-1.0f, i) * v.w / det; + out.u.m[0][i] = pow(-1.0f, i) * v.x / det; + out.u.m[1][i] = pow(-1.0f, i) * v.y / det; + out.u.m[2][i] = pow(-1.0f, i) * v.z / det; + out.u.m[3][i] = pow(-1.0f, i) * v.w / det; } + *pout = out; return pout; } @@ -938,23 +940,25 @@ D3DXVECTOR3* WINAPI D3DXPlaneIntersectLine(D3DXVECTOR3 *pout, CONST D3DXPLANE *p D3DXPLANE* WINAPI D3DXPlaneNormalize(D3DXPLANE *pout, CONST D3DXPLANE *pp) { + D3DXPLANE out; FLOAT norm; norm = sqrt(pp->a * pp->a + pp->b * pp->b + pp->c * pp->c); if ( norm ) { - pout->a = pp->a / norm; - pout->b = pp->b / norm; - pout->c = pp->c / norm; - pout->d = pp->d / norm; + out.a = pp->a / norm; + out.b = pp->b / norm; + out.c = pp->c / norm; + out.d = pp->d / norm; } else { - pout->a = 0.0f; - pout->b = 0.0f; - pout->c = 0.0f; - pout->d = 0.0f; + out.a = 0.0f; + out.b = 0.0f; + out.c = 0.0f; + out.d = 0.0f; } + *pout = out; return pout; } @@ -1062,23 +1066,25 @@ D3DXQUATERNION* WINAPI D3DXQuaternionMultiply(D3DXQUATERNION *pout, CONST D3DXQU D3DXQUATERNION* WINAPI D3DXQuaternionNormalize(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq) { + D3DXQUATERNION out; FLOAT norm; norm = D3DXQuaternionLength(pq); if ( !norm ) { - pout->x = 0.0f; - pout->y = 0.0f; - pout->z = 0.0f; - pout->w = 0.0f; + out.x = 0.0f; + out.y = 0.0f; + out.z = 0.0f; + out.w = 0.0f; } else { - pout->x = pq->x / norm; - pout->y = pq->y / norm; - pout->z = pq->z / norm; - pout->w = pq->w / norm; + out.x = pq->x / norm; + out.y = pq->y / norm; + out.z = pq->z / norm; + out.w = pq->w / norm; } + *pout=out; return pout; } @@ -1229,19 +1235,21 @@ D3DXVECTOR2* WINAPI D3DXVec2Hermite(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv1, C D3DXVECTOR2* WINAPI D3DXVec2Normalize(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv) { + D3DXVECTOR2 out; FLOAT norm; norm = D3DXVec2Length(pv); if ( !norm ) { - pout->x = 0.0f; - pout->y = 0.0f; + out.x = 0.0f; + out.y = 0.0f; } else { - pout->x = pv->x / norm; - pout->y = pv->y / norm; + out.x = pv->x / norm; + out.y = pv->y / norm; } + *pout=out; return pout; } @@ -1316,35 +1324,38 @@ D3DXVECTOR3* WINAPI D3DXVec3Hermite(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv1, C D3DXVECTOR3* WINAPI D3DXVec3Normalize(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv) { + D3DXVECTOR3 out; FLOAT norm; norm = D3DXVec3Length(pv); if ( !norm ) { - pout->x = 0.0f; - pout->y = 0.0f; - pout->z = 0.0f; + out.x = 0.0f; + out.y = 0.0f; + out.z = 0.0f; } else { - pout->x = pv->x / norm; - pout->y = pv->y / norm; - pout->z = pv->z / norm; + out.x = pv->x / norm; + out.y = pv->y / norm; + out.z = pv->z / norm; } + *pout = out; return pout; } D3DXVECTOR3* WINAPI D3DXVec3Project(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv, CONST D3DVIEWPORT8 *pviewport, CONST D3DXMATRIX *pprojection, CONST D3DXMATRIX *pview, CONST D3DXMATRIX *pworld) { D3DXMATRIX m1, m2; - D3DXVECTOR3 vec; + D3DXVECTOR3 out, vec; D3DXMatrixMultiply(&m1, pworld, pview); D3DXMatrixMultiply(&m2, &m1, pprojection); D3DXVec3TransformCoord(&vec, pv, &m2); - pout->x = pviewport->X + ( 1.0f + vec.x ) * pviewport->Width / 2.0f; - pout->y = pviewport->Y + ( 1.0f - vec.y ) * pviewport->Height / 2.0f; - pout->z = pviewport->MinZ + vec.z * ( pviewport->MaxZ - pviewport->MinZ ); + out.x = pviewport->X + ( 1.0f + vec.x ) * pviewport->Width / 2.0f; + out.y = pviewport->Y + ( 1.0f - vec.y ) * pviewport->Height / 2.0f; + out.z = pviewport->MinZ + vec.z * ( pviewport->MaxZ - pviewport->MinZ ); + *pout = out; return pout; } @@ -1359,6 +1370,7 @@ D3DXVECTOR4* WINAPI D3DXVec3Transform(D3DXVECTOR4 *pout, CONST D3DXVECTOR3 *pv, D3DXVECTOR3* WINAPI D3DXVec3TransformCoord(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv, CONST D3DXMATRIX *pm) { + D3DXVECTOR3 out; FLOAT norm; norm = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[2][3] *pv->z + pm->u.m[3][3]; @@ -1366,16 +1378,17 @@ D3DXVECTOR3* WINAPI D3DXVec3TransformCoord(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 if ( norm ) { CONST D3DXVECTOR3 v = *pv; - pout->x = (pm->u.m[0][0] * v.x + pm->u.m[1][0] * v.y + pm->u.m[2][0] * v.z + pm->u.m[3][0]) / norm; - pout->y = (pm->u.m[0][1] * v.x + pm->u.m[1][1] * v.y + pm->u.m[2][1] * v.z + pm->u.m[3][1]) / norm; - pout->z = (pm->u.m[0][2] * v.x + pm->u.m[1][2] * v.y + pm->u.m[2][2] * v.z + pm->u.m[3][2]) / norm; + out.x = (pm->u.m[0][0] * v.x + pm->u.m[1][0] * v.y + pm->u.m[2][0] * v.z + pm->u.m[3][0]) / norm; + out.y = (pm->u.m[0][1] * v.x + pm->u.m[1][1] * v.y + pm->u.m[2][1] * v.z + pm->u.m[3][1]) / norm; + out.z = (pm->u.m[0][2] * v.x + pm->u.m[1][2] * v.y + pm->u.m[2][2] * v.z + pm->u.m[3][2]) / norm; } else { - pout->x = 0.0f; - pout->y = 0.0f; - pout->z = 0.0f; + out.x = 0.0f; + out.y = 0.0f; + out.z = 0.0f; } + *pout = out; return pout; } @@ -1392,7 +1405,7 @@ D3DXVECTOR3* WINAPI D3DXVec3TransformNormal(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 D3DXVECTOR3* WINAPI D3DXVec3Unproject(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv, CONST D3DVIEWPORT8 *pviewport, CONST D3DXMATRIX *pprojection, CONST D3DXMATRIX *pview, CONST D3DXMATRIX *pworld) { D3DXMATRIX m1, m2, m3; - D3DXVECTOR3 vec; + D3DXVECTOR3 out, vec; D3DXMatrixMultiply(&m1, pworld, pview); D3DXMatrixMultiply(&m2, &m1, pprojection); @@ -1400,7 +1413,8 @@ D3DXVECTOR3* WINAPI D3DXVec3Unproject(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv, vec.x = 2.0f * ( pv->x - pviewport->X ) / pviewport->Width - 1.0f; vec.y = 1.0f - 2.0f * ( pv->y - pviewport->Y ) / pviewport->Height; vec.z = ( pv->z - pviewport->MinZ) / ( pviewport->MaxZ - pviewport->MinZ ); - D3DXVec3TransformCoord(pout, &vec, &m3); + D3DXVec3TransformCoord(&out, &vec, &m3); + *pout = out; return pout; } @@ -1453,23 +1467,25 @@ D3DXVECTOR4* WINAPI D3DXVec4Hermite(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv1, C D3DXVECTOR4* WINAPI D3DXVec4Normalize(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv) { + D3DXVECTOR4 out; FLOAT norm; norm = D3DXVec4Length(pv); if ( !norm ) { - pout->x = 0.0f; - pout->y = 0.0f; - pout->z = 0.0f; - pout->w = 0.0f; + out.x = 0.0f; + out.y = 0.0f; + out.z = 0.0f; + out.w = 0.0f; } else { - pout->x = pv->x / norm; - pout->y = pv->y / norm; - pout->z = pv->z / norm; - pout->w = pv->w / norm; + out.x = pv->x / norm; + out.y = pv->y / norm; + out.z = pv->z / norm; + out.w = pv->w / norm; } + *pout = out; return pout; }
participants (1)
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Alexandre Julliard