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Diffstat (limited to 'indra/newview/llheroprobemanager.h')
-rw-r--r-- | indra/newview/llheroprobemanager.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/indra/newview/llheroprobemanager.h b/indra/newview/llheroprobemanager.h new file mode 100644 index 0000000000..68cfdbfd99 --- /dev/null +++ b/indra/newview/llheroprobemanager.h @@ -0,0 +1,142 @@ +/** + * @file llheroprobemanager.h + * @brief LLHeroProbeManager class declaration + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * 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 + * $/LicenseInfo$ + */ + +#pragma once + +#include "llreflectionmap.h" +#include "llrendertarget.h" +#include "llcubemaparray.h" +#include "llcubemap.h" +#include "lldrawable.h" + +class LLSpatialGroup; +class LLViewerObject; + +// number of reflection probes to keep in vram +#define LL_MAX_HERO_PROBE_COUNT 2 + +class alignas(16) LLHeroProbeManager +{ + LL_ALIGN_NEW +public: + enum class DetailLevel + { + STATIC_ONLY = 0, + STATIC_AND_DYNAMIC, + REALTIME = 2 + }; + + // allocate an environment map of the given resolution + LLHeroProbeManager(); + + // release any GL state + void cleanup(); + + // maintain reflection probes + void update(); + + // debug display, called from llspatialpartition if reflection + // probe debug display is active + void renderDebug(); + + // call once at startup to allocate cubemap arrays + void initReflectionMaps(); + + // perform occlusion culling on all active reflection probes + void doOcclusion(); + + void registerHeroDrawable(LLVOVolume* drawablep); + void unregisterHeroDrawable(LLVOVolume* drawablep); + + bool isViableMirror(LLFace* face) const; + + bool isMirrorPass() const { return mRenderingMirror; } + + LLPlane currentMirrorClip() const { return mCurrentClipPlane; } + +private: + friend class LLPipeline; + + // update UBO used for rendering (call only once per render pipe flush) + void updateUniforms(); + + // bind UBO used for rendering + void setUniforms(); + + // render target for cube snapshots + // used to generate mipmaps without doing a copy-to-texture + LLRenderTarget mRenderTarget; + + LLRenderTarget mHeroRenderTarget; + + std::vector<LLRenderTarget> mMipChain; + + // storage for reflection probe radiance maps (plus two scratch space cubemaps) + LLPointer<LLCubeMapArray> mTexture; + + // vertex buffer for pushing verts to filter shaders + LLPointer<LLVertexBuffer> mVertexBuffer; + + LLPlane mCurrentClipPlane; + + // update the specified face of the specified probe + void updateProbeFace(LLReflectionMap* probe, U32 face, F32 near_clip); + + // list of active reflection maps + std::vector<LLPointer<LLReflectionMap> > mProbes; + + // handle to UBO + U32 mUBO = 0; + + // list of maps being used for rendering + std::vector<LLReflectionMap*> mReflectionMaps; + + LLReflectionMap* mUpdatingProbe = nullptr; + + LLPointer<LLReflectionMap> mDefaultProbe; // default reflection probe to fall back to for pixels with no probe influences (should always be at cube index 0) + + // number of reflection probes to use for rendering + U32 mReflectionProbeCount; + + // resolution of reflection probes + U32 mProbeResolution = 1024; + + // maximum LoD of reflection probes (mip levels - 1) + F32 mMaxProbeLOD = 6.f; + + F32 mHeroProbeStrength = 1.f; + bool mIsInTransition = false; + + // if true, reset all probe render state on the next update (for teleports and sky changes) + bool mReset = false; + + bool mRenderingMirror = false; + + std::set<LLVOVolume*> mHeroVOList; + LLVOVolume* mNearestHero; + LLFace* mCurrentFace; +}; + |