#include <OpenGl_CappingPlaneResource.hxx>
#include <OpenGl_Context.hxx>
#include <OpenGl_Vec.hxx>
+#include <OpenGl_ShaderManager.hxx>
#include <Precision.hxx>
IMPLEMENT_STANDARD_RTTIEXT(OpenGl_CappingPlaneResource,OpenGl_Resource)
//! - 4 floats, UV texture coordinates
static const GLfloat THE_CAPPING_PLN_VERTS[12 * (4 + 4 + 4)] =
{
- 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f,
- 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f,
- 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f,
+ 0.0f, 0.0f, 0.0f, 1.0f, 0.0f,-1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f,
+ 0.0f, 0.0f, 1.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f,
+ 1.0f, 0.0f, 0.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f,
- 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f,
- 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f,
- -1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f,
+ 0.0f, 0.0f, 0.0f, 1.0f, 0.0f,-1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f,
+ -1.0f, 0.0f, 0.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f,
+ 0.0f, 0.0f, 1.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f,
- 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f,
- -1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f,
- 0.0f, 0.0f,-1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
+ 0.0f, 0.0f, 0.0f, 1.0f, 0.0f,-1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f,
+ 0.0f, 0.0f,-1.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
+ -1.0f, 0.0f, 0.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f,
- 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f,
- 0.0f, 0.0f,-1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
- 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f
+ 0.0f, 0.0f, 0.0f, 1.0f, 0.0f,-1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f,
+ 1.0f, 0.0f, 0.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f,
+ 0.0f, 0.0f,-1.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f
};
static const OpenGl_Matrix OpenGl_IdentityMatrix =
// function : Update
// purpose :
// =======================================================================
-void OpenGl_CappingPlaneResource::Update (const Handle(OpenGl_Context)& ,
- const Handle(Graphic3d_AspectFillArea3d)& theObjAspect)
+void OpenGl_CappingPlaneResource::Update (const Handle(OpenGl_Context)& theCtx,
+ const Handle(Graphic3d_Aspects)& theObjAspect)
{
- updateTransform();
+ updateTransform (theCtx);
updateAspect (theObjAspect);
}
// function : updateAspect
// purpose :
// =======================================================================
-void OpenGl_CappingPlaneResource::updateAspect (const Handle(Graphic3d_AspectFillArea3d)& theObjAspect)
+void OpenGl_CappingPlaneResource::updateAspect (const Handle(Graphic3d_Aspects)& theObjAspect)
{
if (myAspect == NULL)
{
- myAspect = new OpenGl_AspectFace();
+ myAspect = new OpenGl_Aspects();
myAspectMod = myPlaneRoot->MCountAspect() - 1; // mark out of sync
}
}
if (myPlaneRoot->ToUseObjectTexture())
{
+ myFillAreaAspect->SetTextureSet (theObjAspect->TextureSet());
if (theObjAspect->ToMapTexture())
{
- myFillAreaAspect->SetTextureMap (theObjAspect->TextureMap());
myFillAreaAspect->SetTextureMapOn();
}
else
// function : updateTransform
// purpose :
// =======================================================================
-void OpenGl_CappingPlaneResource::updateTransform()
+void OpenGl_CappingPlaneResource::updateTransform (const Handle(OpenGl_Context)& theCtx)
{
- const Graphic3d_ClipPlane::Equation& anEquation = myPlaneRoot->GetEquation();
- if (myEquationMod == myPlaneRoot->MCountEquation())
+ if (myEquationMod == myPlaneRoot->MCountEquation()
+ && myLocalOrigin.IsEqual (theCtx->ShaderManager()->LocalOrigin(), gp::Resolution()))
{
return; // nothing to update
}
- // re-evaluate infinite plane transformation matrix
- Standard_ShortReal N[3] =
- { (Standard_ShortReal)anEquation[0],
- (Standard_ShortReal)anEquation[1],
- (Standard_ShortReal)anEquation[2] };
+ myEquationMod = myPlaneRoot->MCountEquation();
+ myLocalOrigin = theCtx->ShaderManager()->LocalOrigin();
- Standard_ShortReal T[3] =
- { (Standard_ShortReal)(anEquation[0] * -anEquation[3]),
- (Standard_ShortReal)(anEquation[1] * -anEquation[3]),
- (Standard_ShortReal)(anEquation[2] * -anEquation[3]) };
+ const Graphic3d_ClipPlane::Equation& anEq = myPlaneRoot->GetEquation();
+ const Standard_Real anEqW = theCtx->ShaderManager()->LocalClippingPlaneW (*myPlaneRoot);
- Standard_ShortReal L[3] = { 0.0f, 0.0f, 0.0f };
- Standard_ShortReal F[3] = { 0.0f, 0.0f, 0.0f };
+ // re-evaluate infinite plane transformation matrix
+ const Graphic3d_Vec3 aNorm (anEq.xyz());
+ const Graphic3d_Vec3 T (anEq.xyz() * -anEqW);
// project plane normal onto OX to find left vector
- Standard_ShortReal aProjLen =
- sqrt ( (Standard_ShortReal)(anEquation[0] * anEquation[0])
- + (Standard_ShortReal)(anEquation[2] * anEquation[2]));
+ const Standard_ShortReal aProjLen = sqrt ((Standard_ShortReal)anEq.xz().SquareModulus());
+ Graphic3d_Vec3 aLeft;
if (aProjLen < ShortRealSmall())
{
- L[0] = 1.0f;
+ aLeft[0] = 1.0f;
}
else
{
- L[0] = N[2] / aProjLen;
- L[2] = -N[0] / aProjLen;
+ aLeft[0] = aNorm[2] / aProjLen;
+ aLeft[2] = -aNorm[0] / aProjLen;
}
- // (-aLeft) x aNorm
- F[0] = (-L[1])*N[2] - (-L[2])*N[1];
- F[1] = (-L[2])*N[0] - (-L[0])*N[2];
- F[2] = (-L[0])*N[1] - (-L[1])*N[0];
+ const Graphic3d_Vec3 F = Graphic3d_Vec3::Cross (-aLeft, aNorm);
- myOrientation.mat[0][0] = L[0];
- myOrientation.mat[0][1] = L[1];
- myOrientation.mat[0][2] = L[2];
+ myOrientation.mat[0][0] = aLeft[0];
+ myOrientation.mat[0][1] = aLeft[1];
+ myOrientation.mat[0][2] = aLeft[2];
myOrientation.mat[0][3] = 0.0f;
- myOrientation.mat[1][0] = N[0];
- myOrientation.mat[1][1] = N[1];
- myOrientation.mat[1][2] = N[2];
+ myOrientation.mat[1][0] = aNorm[0];
+ myOrientation.mat[1][1] = aNorm[1];
+ myOrientation.mat[1][2] = aNorm[2];
myOrientation.mat[1][3] = 0.0f;
myOrientation.mat[2][0] = F[0];
myOrientation.mat[3][1] = T[1];
myOrientation.mat[3][2] = T[2];
myOrientation.mat[3][3] = 1.0f;
-
- myEquationMod = myPlaneRoot->MCountEquation();
}