173 lines
5.0 KiB
C++
173 lines
5.0 KiB
C++
/**
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* @file llviewerjoint.cpp
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* @brief Implementation of LLViewerJoint class
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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//-----------------------------------------------------------------------------
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// Header Files
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//-----------------------------------------------------------------------------
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#include "llviewerprecompiledheaders.h"
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#include "llviewerjoint.h"
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#include "llgl.h"
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#include "llrender.h"
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#include "llmath.h"
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#include "llglheaders.h"
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#include "llvoavatar.h"
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#include "pipeline.h"
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static const S32 MIN_PIXEL_AREA_3PASS_HAIR = 64*64;
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//-----------------------------------------------------------------------------
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// LLViewerJoint()
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// Class Constructors
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//-----------------------------------------------------------------------------
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LLViewerJoint::LLViewerJoint() :
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LLAvatarJoint()
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{ }
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LLViewerJoint::LLViewerJoint(const std::string &name, LLJoint *parent) :
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LLAvatarJoint(name, parent)
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{ }
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LLViewerJoint::LLViewerJoint(S32 joint_num) :
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LLAvatarJoint(joint_num)
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{ }
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//-----------------------------------------------------------------------------
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// ~LLViewerJoint()
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// Class Destructor
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//-----------------------------------------------------------------------------
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LLViewerJoint::~LLViewerJoint()
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{
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}
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//--------------------------------------------------------------------
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// render()
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//--------------------------------------------------------------------
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U32 LLViewerJoint::render( F32 pixelArea, BOOL first_pass, BOOL is_dummy )
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{
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stop_glerror();
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U32 triangle_count = 0;
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//----------------------------------------------------------------
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// ignore invisible objects
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//----------------------------------------------------------------
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if ( mValid )
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{
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//----------------------------------------------------------------
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// if object is transparent, defer it, otherwise
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// give the joint subclass a chance to draw itself
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//----------------------------------------------------------------
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if ( is_dummy )
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{
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triangle_count += drawShape( pixelArea, first_pass, is_dummy );
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}
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else if (LLPipeline::sShadowRender)
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{
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triangle_count += drawShape(pixelArea, first_pass, is_dummy );
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}
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else if ( isTransparent() && !LLPipeline::sReflectionRender)
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{
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// Hair and Skirt
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if ((pixelArea > MIN_PIXEL_AREA_3PASS_HAIR))
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{
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// render all three passes
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LLGLDisable cull(GL_CULL_FACE);
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// first pass renders without writing to the z buffer
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{
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LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
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triangle_count += drawShape( pixelArea, first_pass, is_dummy );
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}
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// second pass writes to z buffer only
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gGL.setColorMask(false, false);
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{
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triangle_count += drawShape( pixelArea, FALSE, is_dummy );
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}
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// third past respects z buffer and writes color
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gGL.setColorMask(true, false);
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{
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LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
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triangle_count += drawShape( pixelArea, FALSE, is_dummy );
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}
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}
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else
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{
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// Render Inside (no Z buffer write)
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glCullFace(GL_FRONT);
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{
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LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
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triangle_count += drawShape( pixelArea, first_pass, is_dummy );
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}
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// Render Outside (write to the Z buffer)
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glCullFace(GL_BACK);
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{
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triangle_count += drawShape( pixelArea, FALSE, is_dummy );
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}
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}
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}
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else
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{
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// set up render state
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triangle_count += drawShape( pixelArea, first_pass );
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}
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}
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//----------------------------------------------------------------
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// render children
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//----------------------------------------------------------------
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
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F32 jointLOD = joint->getLOD();
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if (pixelArea >= jointLOD || sDisableLOD)
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{
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triangle_count += joint->render( pixelArea, TRUE, is_dummy );
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if (jointLOD != DEFAULT_AVATAR_JOINT_LOD)
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{
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break;
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}
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}
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}
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return triangle_count;
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}
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//--------------------------------------------------------------------
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// drawShape()
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//--------------------------------------------------------------------
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U32 LLViewerJoint::drawShape( F32 pixelArea, BOOL first_pass, BOOL is_dummy )
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{
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return 0;
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}
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// End
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