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Diffstat (limited to 'indra/newview/llreflectionmapmanager.cpp')
| -rw-r--r-- | indra/newview/llreflectionmapmanager.cpp | 920 |
1 files changed, 920 insertions, 0 deletions
diff --git a/indra/newview/llreflectionmapmanager.cpp b/indra/newview/llreflectionmapmanager.cpp new file mode 100644 index 0000000000..19f0a8d089 --- /dev/null +++ b/indra/newview/llreflectionmapmanager.cpp @@ -0,0 +1,920 @@ +/** + * @file llreflectionmapmanager.cpp + * @brief LLReflectionMapManager 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 "llreflectionmapmanager.h" +#include "llviewercamera.h" +#include "llspatialpartition.h" +#include "llviewerregion.h" +#include "pipeline.h" +#include "llviewershadermgr.h" +#include "llviewercontrol.h" +#include "llenvironment.h" +#include "llstartup.h" + +extern BOOL gCubeSnapshot; +extern BOOL gTeleportDisplay; + +LLReflectionMapManager::LLReflectionMapManager() +{ + for (int i = 1; i < LL_MAX_REFLECTION_PROBE_COUNT; ++i) + { + mCubeFree[i] = true; + } + + // cube index 0 is reserved for the fallback probe + mCubeFree[0] = false; +} + +struct CompareReflectionMapDistance +{ + +}; + + +struct CompareProbeDistance +{ + bool operator()(const LLPointer<LLReflectionMap>& lhs, const LLPointer<LLReflectionMap>& rhs) + { + return lhs->mDistance < rhs->mDistance; + } +}; + +// helper class to seed octree with probes +void LLReflectionMapManager::update() +{ + if (!LLPipeline::sReflectionProbesEnabled || gTeleportDisplay || LLStartUp::getStartupState() < STATE_PRECACHE) + { + return; + } + + LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY; + llassert(!gCubeSnapshot); // assert a snapshot is not in progress + if (LLAppViewer::instance()->logoutRequestSent()) + { + return; + } + + // =============== TODO -- move to an init function ================= + initReflectionMaps(); + + if (!mRenderTarget.isComplete()) + { + U32 color_fmt = GL_RGB16F; + const bool use_depth_buffer = true; + const bool use_stencil_buffer = false; + U32 targetRes = LL_REFLECTION_PROBE_RESOLUTION * 2; // super sample + mRenderTarget.allocate(targetRes, targetRes, color_fmt, use_depth_buffer, use_stencil_buffer, LLTexUnit::TT_RECT_TEXTURE); + } + + if (mMipChain.empty()) + { + U32 res = LL_REFLECTION_PROBE_RESOLUTION; + U32 count = log2((F32)res) + 0.5f; + + mMipChain.resize(count); + for (int i = 0; i < count; ++i) + { + mMipChain[i].allocate(res, res, GL_RGBA16F, false, false, LLTexUnit::TT_RECT_TEXTURE); + res /= 2; + } + } + + + if (mDefaultProbe.isNull()) + { + mDefaultProbe = addProbe(); + mDefaultProbe->mDistance = -4096.f; // hack to make sure the default probe is always first in sort order + mDefaultProbe->mRadius = 4096.f; + } + + mDefaultProbe->mOrigin.load3(LLViewerCamera::getInstance()->getOrigin().mV); + + LLVector4a camera_pos; + camera_pos.load3(LLViewerCamera::instance().getOrigin().mV); + + // process kill list + for (auto& probe : mKillList) + { + auto const & iter = std::find(mProbes.begin(), mProbes.end(), probe); + if (iter != mProbes.end()) + { + deleteProbe(iter - mProbes.begin()); + } + } + + mKillList.clear(); + + // process create list + for (auto& probe : mCreateList) + { + mProbes.push_back(probe); + } + + mCreateList.clear(); + + if (mProbes.empty()) + { + return; + } + + bool did_update = false; + + static LLCachedControl<S32> sDetail(gSavedSettings, "RenderReflectionProbeDetail", -1); + bool realtime = sDetail >= (S32)LLReflectionMapManager::DetailLevel::REALTIME; + + LLReflectionMap* closestDynamic = nullptr; + + LLReflectionMap* oldestProbe = nullptr; + + if (mUpdatingProbe != nullptr) + { + did_update = true; + doProbeUpdate(); + } + + for (int i = 0; i < mProbes.size(); ++i) + { + LLReflectionMap* probe = mProbes[i]; + if (probe->getNumRefs() == 1) + { // no references held outside manager, delete this probe + deleteProbe(i); + --i; + continue; + } + + probe->mProbeIndex = i; + + LLVector4a d; + + if (!did_update && + i < mReflectionProbeCount && + (oldestProbe == nullptr || probe->mLastUpdateTime < oldestProbe->mLastUpdateTime)) + { + oldestProbe = probe; + } + + if (realtime && + closestDynamic == nullptr && + probe->mCubeIndex != -1 && + probe->getIsDynamic()) + { + closestDynamic = probe; + } + + if (probe != mDefaultProbe) + { + d.setSub(camera_pos, probe->mOrigin); + probe->mDistance = d.getLength3().getF32() - probe->mRadius; + } + } + + if (realtime && closestDynamic != nullptr) + { + LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("rmmu - realtime"); + // update the closest dynamic probe realtime + closestDynamic->autoAdjustOrigin(); + for (U32 i = 0; i < 6; ++i) + { + updateProbeFace(closestDynamic, i); + } + } + + // switch to updating the next oldest probe + if (!did_update && oldestProbe != nullptr) + { + LLReflectionMap* probe = oldestProbe; + if (probe->mCubeIndex == -1) + { + probe->mCubeArray = mTexture; + + probe->mCubeIndex = probe == mDefaultProbe ? 0 : allocateCubeIndex(); + } + + probe->autoAdjustOrigin(); + + mUpdatingProbe = probe; + doProbeUpdate(); + } + + // update distance to camera for all probes + std::sort(mProbes.begin(), mProbes.end(), CompareProbeDistance()); +} + +LLReflectionMap* LLReflectionMapManager::addProbe(LLSpatialGroup* group) +{ + LLReflectionMap* probe = new LLReflectionMap(); + probe->mGroup = group; + + if (group) + { + probe->mOrigin = group->getOctreeNode()->getCenter(); + } + + if (gCubeSnapshot) + { //snapshot is in progress, mProbes is being iterated over, defer insertion until next update + mCreateList.push_back(probe); + } + else + { + mProbes.push_back(probe); + } + + return probe; +} + +void LLReflectionMapManager::getReflectionMaps(std::vector<LLReflectionMap*>& maps) +{ + LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY; + + U32 count = 0; + U32 lastIdx = 0; + for (U32 i = 0; count < maps.size() && i < mProbes.size(); ++i) + { + mProbes[i]->mLastBindTime = gFrameTimeSeconds; // something wants to use this probe, indicate it's been requested + if (mProbes[i]->mCubeIndex != -1) + { + mProbes[i]->mProbeIndex = count; + maps[count++] = mProbes[i]; + } + else + { + mProbes[i]->mProbeIndex = -1; + } + lastIdx = i; + } + + // set remaining probe indices to -1 + for (U32 i = lastIdx+1; i < mProbes.size(); ++i) + { + mProbes[i]->mProbeIndex = -1; + } + + // null terminate list + if (count < maps.size()) + { + maps[count] = nullptr; + } +} + +LLReflectionMap* LLReflectionMapManager::registerSpatialGroup(LLSpatialGroup* group) +{ +#if 1 + if (group->getSpatialPartition()->mPartitionType == LLViewerRegion::PARTITION_VOLUME) + { + OctreeNode* node = group->getOctreeNode(); + F32 size = node->getSize().getF32ptr()[0]; + if (size >= 15.f && size <= 17.f) + { + return addProbe(group); + } + } +#endif + +#if 0 + if (group->getSpatialPartition()->mPartitionType == LLViewerRegion::PARTITION_TERRAIN) + { + OctreeNode* node = group->getOctreeNode(); + F32 size = node->getSize().getF32ptr()[0]; + if (size >= 15.f && size <= 17.f) + { + return addProbe(group); + } + } +#endif + return nullptr; +} + +LLReflectionMap* LLReflectionMapManager::registerViewerObject(LLViewerObject* vobj) +{ + llassert(vobj != nullptr); + + LLReflectionMap* probe = new LLReflectionMap(); + probe->mViewerObject = vobj; + probe->mOrigin.load3(vobj->getPositionAgent().mV); + + if (gCubeSnapshot) + { //snapshot is in progress, mProbes is being iterated over, defer insertion until next update + mCreateList.push_back(probe); + } + else + { + mProbes.push_back(probe); + } + + return probe; +} + + +S32 LLReflectionMapManager::allocateCubeIndex() +{ + for (int i = 0; i < mReflectionProbeCount; ++i) + { + if (mCubeFree[i]) + { + mCubeFree[i] = false; + return i; + } + } + + // no cubemaps free, steal one from the back of the probe list + for (int i = mProbes.size() - 1; i >= mReflectionProbeCount; --i) + { + if (mProbes[i]->mCubeIndex != -1) + { + S32 ret = mProbes[i]->mCubeIndex; + mProbes[i]->mCubeIndex = -1; + mProbes[i]->mCubeArray = nullptr; + return ret; + } + } + + llassert(false); // should never fail to allocate, something is probably wrong with mCubeFree + return -1; +} + +void LLReflectionMapManager::deleteProbe(U32 i) +{ + LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY; + LLReflectionMap* probe = mProbes[i]; + + llassert(probe != mDefaultProbe); + + if (probe->mCubeIndex != -1) + { // mark the cube index used by this probe as being free + mCubeFree[probe->mCubeIndex] = true; + } + if (mUpdatingProbe == probe) + { + mUpdatingProbe = nullptr; + mUpdatingFace = 0; + } + + // remove from any Neighbors lists + for (auto& other : probe->mNeighbors) + { + auto const & iter = std::find(other->mNeighbors.begin(), other->mNeighbors.end(), probe); + llassert(iter != other->mNeighbors.end()); + other->mNeighbors.erase(iter); + } + + mProbes.erase(mProbes.begin() + i); +} + + +void LLReflectionMapManager::doProbeUpdate() +{ + LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY; + llassert(mUpdatingProbe != nullptr); + + updateProbeFace(mUpdatingProbe, mUpdatingFace); + + if (++mUpdatingFace == 6) + { + updateNeighbors(mUpdatingProbe); + mUpdatingProbe = nullptr; + mUpdatingFace = 0; + } +} + +void LLReflectionMapManager::updateProbeFace(LLReflectionMap* probe, U32 face) +{ + // hacky hot-swap of camera specific render targets + gPipeline.mRT = &gPipeline.mAuxillaryRT; + probe->update(mRenderTarget.getWidth(), face); + gPipeline.mRT = &gPipeline.mMainRT; + + S32 targetIdx = mReflectionProbeCount; + + if (probe != mUpdatingProbe) + { // this is the "realtime" probe that's updating every frame, use the secondary scratch space channel + targetIdx += 1; + } + + gGL.setColorMask(true, true); + + // downsample to placeholder map + { + LLGLDepthTest depth(GL_FALSE, GL_FALSE); + LLGLDisable cull(GL_CULL_FACE); + + gReflectionMipProgram.bind(); + + gGL.matrixMode(gGL.MM_MODELVIEW); + gGL.pushMatrix(); + gGL.loadIdentity(); + + gGL.matrixMode(gGL.MM_PROJECTION); + gGL.pushMatrix(); + gGL.loadIdentity(); + + gGL.flush(); + U32 res = LL_REFLECTION_PROBE_RESOLUTION * 2; + + S32 mips = log2((F32)LL_REFLECTION_PROBE_RESOLUTION) + 0.5f; + + S32 diffuseChannel = gReflectionMipProgram.enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, LLTexUnit::TT_RECT_TEXTURE); + S32 depthChannel = gReflectionMipProgram.enableTexture(LLShaderMgr::DEFERRED_DEPTH, LLTexUnit::TT_RECT_TEXTURE); + + LLRenderTarget* screen_rt = &gPipeline.mAuxillaryRT.screen; + LLRenderTarget* depth_rt = &gPipeline.mAuxillaryRT.deferredScreen; + + for (int i = 0; i < mMipChain.size(); ++i) + { + LL_PROFILE_GPU_ZONE("probe mip"); + mMipChain[i].bindTarget(); + if (i == 0) + { + + gGL.getTexUnit(diffuseChannel)->bind(screen_rt); + } + else + { + gGL.getTexUnit(diffuseChannel)->bind(&(mMipChain[i - 1])); + } + + gGL.getTexUnit(depthChannel)->bind(depth_rt, true); + + static LLStaticHashedString resScale("resScale"); + static LLStaticHashedString znear("znear"); + static LLStaticHashedString zfar("zfar"); + + gReflectionMipProgram.uniform1f(resScale, (F32) (1 << i)); + gReflectionMipProgram.uniform1f(znear, probe->getNearClip()); + gReflectionMipProgram.uniform1f(zfar, MAX_FAR_CLIP); + + gGL.begin(gGL.QUADS); + + gGL.texCoord2f(0, 0); + gGL.vertex2f(-1, -1); + + gGL.texCoord2f(res, 0); + gGL.vertex2f(1, -1); + + gGL.texCoord2f(res, res); + gGL.vertex2f(1, 1); + + gGL.texCoord2f(0, res); + gGL.vertex2f(-1, 1); + gGL.end(); + gGL.flush(); + + res /= 2; + + S32 mip = i - (mMipChain.size() - mips); + + if (mip >= 0) + { + LL_PROFILE_GPU_ZONE("probe mip copy"); + mTexture->bind(0); + //glCopyTexSubImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, mip, 0, 0, probe->mCubeIndex * 6 + face, 0, 0, res, res); + glCopyTexSubImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, mip, 0, 0, targetIdx * 6 + face, 0, 0, res, res); + //if (i == 0) + //{ + //glCopyTexSubImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, mip, 0, 0, probe->mCubeIndex * 6 + face, 0, 0, res, res); + //} + mTexture->unbind(); + } + mMipChain[i].flush(); + } + + gGL.popMatrix(); + gGL.matrixMode(gGL.MM_MODELVIEW); + gGL.popMatrix(); + + gGL.getTexUnit(diffuseChannel)->unbind(LLTexUnit::TT_RECT_TEXTURE); + gGL.getTexUnit(depthChannel)->unbind(LLTexUnit::TT_RECT_TEXTURE); + gReflectionMipProgram.unbind(); + } + + if (face == 5) + { + //generate radiance map + gRadianceGenProgram.bind(); + mVertexBuffer->setBuffer(LLVertexBuffer::MAP_VERTEX); + + S32 channel = gRadianceGenProgram.enableTexture(LLShaderMgr::REFLECTION_PROBES, LLTexUnit::TT_CUBE_MAP_ARRAY); + mTexture->bind(channel); + static LLStaticHashedString sSourceIdx("sourceIdx"); + gRadianceGenProgram.uniform1i(sSourceIdx, targetIdx); + + mMipChain[0].bindTarget(); + U32 res = mMipChain[0].getWidth(); + + for (int i = 0; i < mMipChain.size(); ++i) + { + LL_PROFILE_GPU_ZONE("probe radiance gen"); + static LLStaticHashedString sMipLevel("mipLevel"); + static LLStaticHashedString sRoughness("roughness"); + static LLStaticHashedString sWidth("u_width"); + + gRadianceGenProgram.uniform1f(sRoughness, (F32)i / (F32)(mMipChain.size() - 1)); + gRadianceGenProgram.uniform1f(sMipLevel, i); + gRadianceGenProgram.uniform1i(sWidth, mMipChain[i].getWidth()); + + for (int cf = 0; cf < 6; ++cf) + { // for each cube face + LLCoordFrame frame; + frame.lookAt(LLVector3(0, 0, 0), LLCubeMapArray::sClipToCubeLookVecs[cf], LLCubeMapArray::sClipToCubeUpVecs[cf]); + + F32 mat[16]; + frame.getOpenGLRotation(mat); + gGL.loadMatrix(mat); + + mVertexBuffer->drawArrays(gGL.TRIANGLE_STRIP, 0, 4); + + glCopyTexSubImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, i, 0, 0, probe->mCubeIndex * 6 + cf, 0, 0, res, res); + } + + if (i != mMipChain.size() - 1) + { + res /= 2; + glViewport(0, 0, res, res); + } + } + + gRadianceGenProgram.unbind(); + + //generate irradiance map + gIrradianceGenProgram.bind(); + channel = gIrradianceGenProgram.enableTexture(LLShaderMgr::REFLECTION_PROBES, LLTexUnit::TT_CUBE_MAP_ARRAY); + mTexture->bind(channel); + + gIrradianceGenProgram.uniform1i(sSourceIdx, targetIdx); + mVertexBuffer->setBuffer(LLVertexBuffer::MAP_VERTEX); + int start_mip = 0; + // find the mip target to start with based on irradiance map resolution + for (start_mip = 0; start_mip < mMipChain.size(); ++start_mip) + { + if (mMipChain[start_mip].getWidth() == LL_IRRADIANCE_MAP_RESOLUTION) + { + break; + } + } + + //for (int i = start_mip; i < mMipChain.size(); ++i) + { + int i = start_mip; + LL_PROFILE_GPU_ZONE("probe irradiance gen"); + glViewport(0, 0, mMipChain[i].getWidth(), mMipChain[i].getHeight()); + for (int cf = 0; cf < 6; ++cf) + { // for each cube face + LLCoordFrame frame; + frame.lookAt(LLVector3(0, 0, 0), LLCubeMapArray::sClipToCubeLookVecs[cf], LLCubeMapArray::sClipToCubeUpVecs[cf]); + + F32 mat[16]; + frame.getOpenGLRotation(mat); + gGL.loadMatrix(mat); + + mVertexBuffer->drawArrays(gGL.TRIANGLE_STRIP, 0, 4); + + S32 res = mMipChain[i].getWidth(); + mIrradianceMaps->bind(channel); + glCopyTexSubImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, i - start_mip, 0, 0, probe->mCubeIndex * 6 + cf, 0, 0, res, res); + mTexture->bind(channel); + } + } + + mMipChain[0].flush(); + + gIrradianceGenProgram.unbind(); + } +} + +void LLReflectionMapManager::rebuild() +{ + for (auto& probe : mProbes) + { + probe->mLastUpdateTime = 0.f; + } +} + +void LLReflectionMapManager::shift(const LLVector4a& offset) +{ + for (auto& probe : mProbes) + { + probe->mOrigin.add(offset); + } +} + +void LLReflectionMapManager::updateNeighbors(LLReflectionMap* probe) +{ + LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY; + if (mDefaultProbe == probe) + { + return; + } + + //remove from existing neighbors + { + LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("rmmun - clear"); + + for (auto& other : probe->mNeighbors) + { + auto const & iter = std::find(other->mNeighbors.begin(), other->mNeighbors.end(), probe); + llassert(iter != other->mNeighbors.end()); // <--- bug davep if this ever happens, something broke badly + other->mNeighbors.erase(iter); + } + + probe->mNeighbors.clear(); + } + + // search for new neighbors + { + LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("rmmun - search"); + for (auto& other : mProbes) + { + if (other != mDefaultProbe && other != probe) + { + if (probe->intersects(other)) + { + probe->mNeighbors.push_back(other); + other->mNeighbors.push_back(probe); + } + } + } + } +} + +void LLReflectionMapManager::updateUniforms() +{ + if (!LLPipeline::sReflectionProbesEnabled) + { + return; + } + + LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY; + + // structure for packing uniform buffer object + // see class3/deferred/reflectionProbeF.glsl + struct ReflectionProbeData + { + LLMatrix4 refBox[LL_MAX_REFLECTION_PROBE_COUNT]; // object bounding box as needed + LLVector4 refSphere[LL_MAX_REFLECTION_PROBE_COUNT]; //origin and radius of refmaps in clip space + LLVector4 refParams[LL_MAX_REFLECTION_PROBE_COUNT]; //extra parameters (currently only ambiance) + GLint refIndex[LL_MAX_REFLECTION_PROBE_COUNT][4]; + GLint refNeighbor[4096]; + GLint refmapCount; + }; + + mReflectionMaps.resize(mReflectionProbeCount); + getReflectionMaps(mReflectionMaps); + + ReflectionProbeData rpd; + + // load modelview matrix into matrix 4a + LLMatrix4a modelview; + modelview.loadu(gGLModelView); + LLVector4a oa; // scratch space for transformed origin + + S32 count = 0; + U32 nc = 0; // neighbor "cursor" - index into refNeighbor to start writing the next probe's list of neighbors + + LLEnvironment& environment = LLEnvironment::instance(); + LLSettingsSky::ptr_t psky = environment.getCurrentSky(); + + F32 minimum_ambiance = psky->getReflectionProbeAmbiance(); + + for (auto* refmap : mReflectionMaps) + { + if (refmap == nullptr) + { + break; + } + + llassert(refmap->mProbeIndex == count); + llassert(mReflectionMaps[refmap->mProbeIndex] == refmap); + + llassert(refmap->mCubeIndex >= 0); // should always be true, if not, getReflectionMaps is bugged + + { + //LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("rmmsu - refSphere"); + + modelview.affineTransform(refmap->mOrigin, oa); + rpd.refSphere[count].set(oa.getF32ptr()); + rpd.refSphere[count].mV[3] = refmap->mRadius; + } + + rpd.refIndex[count][0] = refmap->mCubeIndex; + llassert(nc % 4 == 0); + rpd.refIndex[count][1] = nc / 4; + rpd.refIndex[count][3] = refmap->mPriority; + + // for objects that are reflection probes, use the volume as the influence volume of the probe + // only possibile influence volumes are boxes and spheres, so detect boxes and treat everything else as spheres + if (refmap->getBox(rpd.refBox[count])) + { // negate priority to indicate this probe has a box influence volume + rpd.refIndex[count][3] = -rpd.refIndex[count][3]; + } + + rpd.refParams[count].set(llmax(minimum_ambiance, refmap->getAmbiance()), 0.f, 0.f, 0.f); + + S32 ni = nc; // neighbor ("index") - index into refNeighbor to write indices for current reflection probe's neighbors + { + //LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("rmmsu - refNeighbors"); + //pack neghbor list + for (auto& neighbor : refmap->mNeighbors) + { + if (ni >= 4096) + { // out of space + break; + } + + GLint idx = neighbor->mProbeIndex; + if (idx == -1) + { + continue; + } + + // this neighbor may be sampled + rpd.refNeighbor[ni++] = idx; + } + } + + if (nc == ni) + { + //no neighbors, tag as empty + rpd.refIndex[count][1] = -1; + } + else + { + rpd.refIndex[count][2] = ni - nc; + + // move the cursor forward + nc = ni; + if (nc % 4 != 0) + { // jump to next power of 4 for compatibility with ivec4 + nc += 4 - (nc % 4); + } + } + + + count++; + } + + rpd.refmapCount = count; + + //copy rpd into uniform buffer object + if (mUBO == 0) + { + glGenBuffers(1, &mUBO); + } + + { + LL_PROFILE_ZONE_NAMED_CATEGORY_DISPLAY("rmmsu - update buffer"); + glBindBuffer(GL_UNIFORM_BUFFER, mUBO); + glBufferData(GL_UNIFORM_BUFFER, sizeof(ReflectionProbeData), &rpd, GL_STREAM_DRAW); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + } +} + +void LLReflectionMapManager::setUniforms() +{ + if (!LLPipeline::sReflectionProbesEnabled) + { + return; + } + + if (mUBO == 0) + { + updateUniforms(); + } + glBindBufferBase(GL_UNIFORM_BUFFER, 1, mUBO); +} + + +void renderReflectionProbe(LLReflectionMap* probe) +{ + F32* po = probe->mOrigin.getF32ptr(); + + //draw orange line from probe to neighbors + gGL.flush(); + gGL.diffuseColor4f(1, 0.5f, 0, 1); + gGL.begin(gGL.LINES); + for (auto& neighbor : probe->mNeighbors) + { + gGL.vertex3fv(po); + gGL.vertex3fv(neighbor->mOrigin.getF32ptr()); + } + gGL.end(); + gGL.flush(); + +#if 0 + LLSpatialGroup* group = probe->mGroup; + if (group) + { // draw lines from corners of object aabb to reflection probe + + const LLVector4a* bounds = group->getBounds(); + LLVector4a o = bounds[0]; + + gGL.flush(); + gGL.diffuseColor4f(0, 0, 1, 1); + F32* c = o.getF32ptr(); + + const F32* bc = bounds[0].getF32ptr(); + const F32* bs = bounds[1].getF32ptr(); + + // daaw blue lines from corners to center of node + gGL.begin(gGL.LINES); + gGL.vertex3fv(c); + gGL.vertex3f(bc[0] + bs[0], bc[1] + bs[1], bc[2] + bs[2]); + gGL.vertex3fv(c); + gGL.vertex3f(bc[0] - bs[0], bc[1] + bs[1], bc[2] + bs[2]); + gGL.vertex3fv(c); + gGL.vertex3f(bc[0] + bs[0], bc[1] - bs[1], bc[2] + bs[2]); + gGL.vertex3fv(c); + gGL.vertex3f(bc[0] - bs[0], bc[1] - bs[1], bc[2] + bs[2]); + + gGL.vertex3fv(c); + gGL.vertex3f(bc[0] + bs[0], bc[1] + bs[1], bc[2] - bs[2]); + gGL.vertex3fv(c); + gGL.vertex3f(bc[0] - bs[0], bc[1] + bs[1], bc[2] - bs[2]); + gGL.vertex3fv(c); + gGL.vertex3f(bc[0] + bs[0], bc[1] - bs[1], bc[2] - bs[2]); + gGL.vertex3fv(c); + gGL.vertex3f(bc[0] - bs[0], bc[1] - bs[1], bc[2] - bs[2]); + gGL.end(); + + //draw yellow line from center of node to reflection probe origin + gGL.flush(); + gGL.diffuseColor4f(1, 1, 0, 1); + gGL.begin(gGL.LINES); + gGL.vertex3fv(c); + gGL.vertex3fv(po); + gGL.end(); + gGL.flush(); + } +#endif +} + +void LLReflectionMapManager::renderDebug() +{ + gDebugProgram.bind(); + + for (auto& probe : mProbes) + { + renderReflectionProbe(probe); + } + + gDebugProgram.unbind(); +} + +void LLReflectionMapManager::initReflectionMaps() +{ + if (mTexture.isNull()) + { + mReflectionProbeCount = llclamp(gSavedSettings.getS32("RenderReflectionProbeCount"), 1, LL_MAX_REFLECTION_PROBE_COUNT); + + mTexture = new LLCubeMapArray(); + + // store mReflectionProbeCount+2 cube maps, final two cube maps are used for render target and radiance map generation source) + mTexture->allocate(LL_REFLECTION_PROBE_RESOLUTION, 4, mReflectionProbeCount + 2); + + mIrradianceMaps = new LLCubeMapArray(); + mIrradianceMaps->allocate(LL_IRRADIANCE_MAP_RESOLUTION, 4, mReflectionProbeCount, FALSE); + } + + if (mVertexBuffer.isNull()) + { + U32 mask = LLVertexBuffer::MAP_VERTEX; + LLPointer<LLVertexBuffer> buff = new LLVertexBuffer(mask, GL_STATIC_DRAW); + buff->allocateBuffer(4, 0, TRUE); + + LLStrider<LLVector3> v; + + buff->getVertexStrider(v); + + v[0] = LLVector3(-1, -1, -1); + v[1] = LLVector3(1, -1, -1); + v[2] = LLVector3(-1, 1, -1); + v[3] = LLVector3(1, 1, -1); + + buff->flush(); + + mVertexBuffer = buff; + } +} |