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Diffstat (limited to 'indra/newview/llreflectionmap.cpp')
| -rw-r--r-- | indra/newview/llreflectionmap.cpp | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/indra/newview/llreflectionmap.cpp b/indra/newview/llreflectionmap.cpp new file mode 100644 index 0000000000..f346531bfd --- /dev/null +++ b/indra/newview/llreflectionmap.cpp @@ -0,0 +1,240 @@ +/** + * @file llreflectionmap.cpp + * @brief LLReflectionMap class implementation + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "llviewerprecompiledheaders.h" + +#include "llreflectionmap.h" +#include "pipeline.h" +#include "llviewerwindow.h" +#include "llviewerregion.h" + +extern F32SecondsImplicit gFrameTimeSeconds; + +LLReflectionMap::LLReflectionMap() +{ +} + +void LLReflectionMap::update(U32 resolution, U32 face) +{ + LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY; + mLastUpdateTime = gFrameTimeSeconds; + llassert(mCubeArray.notNull()); + llassert(mCubeIndex != -1); + //llassert(LLPipeline::sRenderDeferred); + + // make sure we don't walk off the edge of the render target + while (resolution > gPipeline.mRT->deferredScreen.getWidth() || + resolution > gPipeline.mRT->deferredScreen.getHeight()) + { + resolution /= 2; + } + gViewerWindow->cubeSnapshot(LLVector3(mOrigin), mCubeArray, mCubeIndex, face, getNearClip(), getIsDynamic()); +} + +void LLReflectionMap::autoAdjustOrigin() +{ + LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY; + + if (mGroup) + { + const LLVector4a* bounds = mGroup->getBounds(); + auto* node = mGroup->getOctreeNode(); + + if (mGroup->getSpatialPartition()->mPartitionType == LLViewerRegion::PARTITION_VOLUME) + { + mPriority = 1; + // cast a ray towards 8 corners of bounding box + // nudge origin towards center of empty space + + if (!node) + { + return; + } + + mOrigin = bounds[0]; + + LLVector4a size = bounds[1]; + + LLVector4a corners[] = + { + { 1, 1, 1 }, + { -1, 1, 1 }, + { 1, -1, 1 }, + { -1, -1, 1 }, + { 1, 1, -1 }, + { -1, 1, -1 }, + { 1, -1, -1 }, + { -1, -1, -1 } + }; + + for (int i = 0; i < 8; ++i) + { + corners[i].mul(size); + corners[i].add(bounds[0]); + } + + LLVector4a extents[2]; + extents[0].setAdd(bounds[0], bounds[1]); + extents[1].setSub(bounds[0], bounds[1]); + + bool hit = false; + for (int i = 0; i < 8; ++i) + { + int face = -1; + LLVector4a intersection; + LLDrawable* drawable = mGroup->lineSegmentIntersect(bounds[0], corners[i], true, false, true, &face, &intersection); + if (drawable != nullptr) + { + hit = true; + update_min_max(extents[0], extents[1], intersection); + } + else + { + update_min_max(extents[0], extents[1], corners[i]); + } + } + + if (hit) + { + mOrigin.setAdd(extents[0], extents[1]); + mOrigin.mul(0.5f); + } + + // make sure radius encompasses all objects + LLSimdScalar r2 = 0.0; + for (int i = 0; i < 8; ++i) + { + LLVector4a v; + v.setSub(corners[i], mOrigin); + + LLSimdScalar d = v.dot3(v); + + if (d > r2) + { + r2 = d; + } + } + + mRadius = llmax(sqrtf(r2.getF32()), 8.f); + } + } + else if (mViewerObject) + { + mPriority = 64; + mOrigin.load3(mViewerObject->getPositionAgent().mV); + mRadius = mViewerObject->getScale().mV[0]*0.5f; + } +} + +bool LLReflectionMap::intersects(LLReflectionMap* other) +{ + // TODO: incorporate getBox + LLVector4a delta; + delta.setSub(other->mOrigin, mOrigin); + + F32 dist = delta.dot3(delta).getF32(); + + F32 r2 = mRadius + other->mRadius; + + r2 *= r2; + + return dist < r2; +} + +extern LLControlGroup gSavedSettings; + +F32 LLReflectionMap::getAmbiance() +{ + F32 ret = 0.f; + if (mViewerObject && mViewerObject->getVolume()) + { + ret = ((LLVOVolume*)mViewerObject)->getReflectionProbeAmbiance(); + } + + return ret; +} + +F32 LLReflectionMap::getNearClip() +{ + const F32 MINIMUM_NEAR_CLIP = 0.1f; + + F32 ret = 0.f; + + if (mViewerObject && mViewerObject->getVolume()) + { + ret = ((LLVOVolume*)mViewerObject)->getReflectionProbeNearClip(); + } + + return llmax(ret, MINIMUM_NEAR_CLIP); +} + +bool LLReflectionMap::getIsDynamic() +{ + if (gSavedSettings.getS32("RenderReflectionProbeDetail") > (S32) LLReflectionMapManager::DetailLevel::STATIC_ONLY && + mViewerObject && + mViewerObject->getVolume()) + { + return ((LLVOVolume*)mViewerObject)->getReflectionProbeIsDynamic(); + } + + return false; +} + +bool LLReflectionMap::getBox(LLMatrix4& box) +{ + if (mViewerObject) + { + LLVolume* volume = mViewerObject->getVolume(); + if (volume) + { + LLVOVolume* vobjp = (LLVOVolume*)mViewerObject; + + if (vobjp->getReflectionProbeIsBox()) + { + glh::matrix4f mv(gGLModelView); + glh::matrix4f scale; + LLVector3 s = vobjp->getScale().scaledVec(LLVector3(0.5f, 0.5f, 0.5f)); + mRadius = s.magVec(); + scale.set_scale(glh::vec3f(s.mV)); + if (vobjp->mDrawable != nullptr) + { + glh::matrix4f rm((F32*)vobjp->mDrawable->getWorldMatrix().mMatrix); + + glh::matrix4f rt((F32*)vobjp->getRelativeXform().mMatrix); + + mv = mv * rm * scale; // *rt; + mv = mv.inverse(); + + box = LLMatrix4(mv.m); + + return true; + } + } + } + } + + return false; +} |