diff options
Diffstat (limited to 'indra/newview/llspatialpartition.cpp')
-rw-r--r-- | indra/newview/llspatialpartition.cpp | 132 |
1 files changed, 77 insertions, 55 deletions
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp index 5dd1b5ba7e..14775f0f21 100644 --- a/indra/newview/llspatialpartition.cpp +++ b/indra/newview/llspatialpartition.cpp @@ -252,11 +252,15 @@ U8* get_box_fan_indices_ptr(LLCamera* camera, const LLVector4a& center) } +static LLFastTimer::DeclareTimer FTM_BUILD_OCCLUSION("Build Occlusion"); + void LLSpatialGroup::buildOcclusion() { if (mOcclusionVerts.isNull()) { - mOcclusionVerts = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX, GL_DYNAMIC_DRAW_ARB); + + mOcclusionVerts = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX, + LLVertexBuffer::sUseStreamDraw ? mBufferUsage : 0); //if GL has a hard time with VBOs, don't use them for occlusion culling. mOcclusionVerts->allocateBuffer(8, 64, true); LLStrider<U16> idx; @@ -275,40 +279,47 @@ void LLSpatialGroup::buildOcclusion() LLStrider<LLVector3> pos; - mOcclusionVerts->getVertexStrider(pos); - - LLVector4a* v = (LLVector4a*) pos.get(); - - const LLVector4a& c = mBounds[0]; - const LLVector4a& s = r; - - static const LLVector4a octant[] = { - LLVector4a(-1.f, -1.f, -1.f), - LLVector4a(-1.f, -1.f, 1.f), - LLVector4a(-1.f, 1.f, -1.f), - LLVector4a(-1.f, 1.f, 1.f), + LLFastTimer t(FTM_BUILD_OCCLUSION); + mOcclusionVerts->getVertexStrider(pos); + } - LLVector4a(1.f, -1.f, -1.f), - LLVector4a(1.f, -1.f, 1.f), - LLVector4a(1.f, 1.f, -1.f), - LLVector4a(1.f, 1.f, 1.f), - }; + { + LLVector4a* v = (LLVector4a*) pos.get(); - //vertex positions are encoded so the 3 bits of their vertex index - //correspond to their axis facing, with bit position 3,2,1 matching - //axis facing x,y,z, bit set meaning positive facing, bit clear - //meaning negative facing + const LLVector4a& c = mBounds[0]; + const LLVector4a& s = r; + + static const LLVector4a octant[] = + { + LLVector4a(-1.f, -1.f, -1.f), + LLVector4a(-1.f, -1.f, 1.f), + LLVector4a(-1.f, 1.f, -1.f), + LLVector4a(-1.f, 1.f, 1.f), + + LLVector4a(1.f, -1.f, -1.f), + LLVector4a(1.f, -1.f, 1.f), + LLVector4a(1.f, 1.f, -1.f), + LLVector4a(1.f, 1.f, 1.f), + }; + + //vertex positions are encoded so the 3 bits of their vertex index + //correspond to their axis facing, with bit position 3,2,1 matching + //axis facing x,y,z, bit set meaning positive facing, bit clear + //meaning negative facing + + for (S32 i = 0; i < 8; ++i) + { + LLVector4a p; + p.setMul(s, octant[i]); + p.add(c); + v[i] = p; + } + } - for (S32 i = 0; i < 8; ++i) { - LLVector4a p; - p.setMul(s, octant[i]); - p.add(c); - v[i] = p; + mOcclusionVerts->setBuffer(0); } - - mOcclusionVerts->setBuffer(0); clearState(LLSpatialGroup::OCCLUSION_DIRTY); } @@ -1189,7 +1200,7 @@ LLSpatialGroup::LLSpatialGroup(OctreeNode* node, LLSpatialPartition* part) : mOctreeNode(node), mSpatialPartition(part), mVertexBuffer(NULL), - mBufferUsage(GL_STATIC_DRAW_ARB), + mBufferUsage(part->mBufferUsage), mDistance(0.f), mDepth(0.f), mLastUpdateDistance(-1.f), @@ -1616,6 +1627,10 @@ void LLSpatialGroup::checkOcclusion() } } +static LLFastTimer::DeclareTimer FTM_PUSH_OCCLUSION_VERTS("Push Occlusion"); +static LLFastTimer::DeclareTimer FTM_SET_OCCLUSION_STATE("Occlusion State"); +static LLFastTimer::DeclareTimer FTM_OCCLUSION_EARLY_FAIL("Occlusion Early Fail"); + void LLSpatialGroup::doOcclusion(LLCamera* camera) { if (mSpatialPartition->isOcclusionEnabled() && LLPipeline::sUseOcclusion > 1) @@ -1623,6 +1638,7 @@ void LLSpatialGroup::doOcclusion(LLCamera* camera) // Don't cull hole/edge water, unless we have the GL_ARB_depth_clamp extension if (earlyFail(camera, this)) { + LLFastTimer t(FTM_OCCLUSION_EARLY_FAIL); setOcclusionState(LLSpatialGroup::DISCARD_QUERY); assert_states_valid(this); clearOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF); @@ -1664,41 +1680,47 @@ void LLSpatialGroup::doOcclusion(LLCamera* camera) sPendingQueries.insert(mOcclusionQuery[LLViewerCamera::sCurCameraID]); #endif - glBeginQueryARB(mode, mOcclusionQuery[LLViewerCamera::sCurCameraID]); + { + LLFastTimer t(FTM_PUSH_OCCLUSION_VERTS); + glBeginQueryARB(mode, mOcclusionQuery[LLViewerCamera::sCurCameraID]); - mOcclusionVerts->setBuffer(LLVertexBuffer::MAP_VERTEX); + mOcclusionVerts->setBuffer(LLVertexBuffer::MAP_VERTEX); - if (!use_depth_clamp && mSpatialPartition->mDrawableType == LLDrawPool::POOL_VOIDWATER) - { - LLGLSquashToFarClip squash(glh_get_current_projection(), 1); - if (camera->getOrigin().isExactlyZero()) - { //origin is invalid, draw entire box - mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, 0); - mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, b111*8); - } - else + if (!use_depth_clamp && mSpatialPartition->mDrawableType == LLDrawPool::POOL_VOIDWATER) { - mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, mBounds[0])); - } - } - else - { - if (camera->getOrigin().isExactlyZero()) - { //origin is invalid, draw entire box - mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, 0); - mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, b111*8); + LLGLSquashToFarClip squash(glh_get_current_projection(), 1); + if (camera->getOrigin().isExactlyZero()) + { //origin is invalid, draw entire box + mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, 0); + mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, b111*8); + } + else + { + mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, mBounds[0])); + } } else { - mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, mBounds[0])); + if (camera->getOrigin().isExactlyZero()) + { //origin is invalid, draw entire box + mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, 0); + mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, b111*8); + } + else + { + mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, mBounds[0])); + } } - } - glEndQueryARB(mode); + glEndQueryARB(mode); + } } - setOcclusionState(LLSpatialGroup::QUERY_PENDING); - clearOcclusionState(LLSpatialGroup::DISCARD_QUERY); + { + LLFastTimer t(FTM_SET_OCCLUSION_STATE); + setOcclusionState(LLSpatialGroup::QUERY_PENDING); + clearOcclusionState(LLSpatialGroup::DISCARD_QUERY); + } } } } |