diff options
Diffstat (limited to 'indra/newview/llspatialpartition.cpp')
| -rw-r--r-- | indra/newview/llspatialpartition.cpp | 203 |
1 files changed, 118 insertions, 85 deletions
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp index cc54f21a7e..cb72f35eee 100644 --- a/indra/newview/llspatialpartition.cpp +++ b/indra/newview/llspatialpartition.cpp @@ -222,7 +222,17 @@ static U8 sOcclusionIndices[] = b000, b110, b100, b101, b001, b011, b010, b110, }; -U8* get_box_fan_indices(LLCamera* camera, const LLVector4a& center) +U32 get_box_fan_indices(LLCamera* camera, const LLVector4a& center) +{ + LLVector4a origin; + origin.load3(camera->getOrigin().mV); + + S32 cypher = center.greaterThan(origin).getGatheredBits() & 0x7; + + return cypher*8; +} + +U8* get_box_fan_indices_ptr(LLCamera* camera, const LLVector4a& center) { LLVector4a origin; origin.load3(camera->getOrigin().mV); @@ -231,12 +241,21 @@ U8* get_box_fan_indices(LLCamera* camera, const LLVector4a& center) return sOcclusionIndices+cypher*8; } - + + void LLSpatialGroup::buildOcclusion() { - if (!mOcclusionVerts) + if (mOcclusionVerts.isNull()) { - mOcclusionVerts = new LLVector4a[8]; + mOcclusionVerts = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX, GL_DYNAMIC_DRAW_ARB); + mOcclusionVerts->allocateBuffer(8, 64, true); + + LLStrider<U16> idx; + mOcclusionVerts->getIndexStrider(idx); + for (U32 i = 0; i < 64; i++) + { + *idx++ = sOcclusionIndices[i]; + } } LLVector4a fudge; @@ -251,7 +270,12 @@ void LLSpatialGroup::buildOcclusion() r.setMin(r, r2); - LLVector4a* v = mOcclusionVerts; + LLStrider<LLVector3> pos; + + mOcclusionVerts->getVertexStrider(pos); + + LLVector4a* v = (LLVector4a*) pos.get(); + const LLVector4a& c = mBounds[0]; const LLVector4a& s = r; @@ -275,10 +299,13 @@ void LLSpatialGroup::buildOcclusion() for (S32 i = 0; i < 8; ++i) { - v[i] = s; - v[i].mul(octant[i]); - v[i].add(c); + LLVector4a p; + p.setMul(s, octant[i]); + p.add(c); + v[i] = p; } + + mOcclusionVerts->setBuffer(0); clearState(LLSpatialGroup::OCCLUSION_DIRTY); } @@ -339,7 +366,6 @@ LLSpatialGroup::~LLSpatialGroup() sQueryPool.release(mOcclusionQuery[LLViewerCamera::sCurCameraID]); } - delete [] mOcclusionVerts; mOcclusionVerts = NULL; LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION); @@ -881,12 +907,9 @@ void LLSpatialGroup::shift(const LLVector4a &offset) gPipeline.markRebuild(this, TRUE); } - if (mOcclusionVerts) + if (mOcclusionVerts.notNull()) { - for (U32 i = 0; i < 8; i++) - { - mOcclusionVerts[i].add(offset); - } + setState(OCCLUSION_DIRTY); } } @@ -1423,7 +1446,6 @@ void LLSpatialGroup::destroyGL() } } - delete [] mOcclusionVerts; mOcclusionVerts = NULL; for (LLSpatialGroup::element_iter i = getData().begin(); i != getData().end(); ++i) @@ -1516,31 +1538,37 @@ void LLSpatialGroup::checkOcclusion() } else if (isOcclusionState(QUERY_PENDING)) { //otherwise, if a query is pending, read it back - GLuint res = 1; - if (!isOcclusionState(DISCARD_QUERY) && mOcclusionQuery[LLViewerCamera::sCurCameraID]) - { - glGetQueryObjectuivARB(mOcclusionQuery[LLViewerCamera::sCurCameraID], GL_QUERY_RESULT_ARB, &res); - } - if (isOcclusionState(DISCARD_QUERY)) - { - res = 2; - } + GLuint available = 0; + glGetQueryObjectuivARB(mOcclusionQuery[LLViewerCamera::sCurCameraID], GL_QUERY_RESULT_AVAILABLE_ARB, &available); + if (available) + { //result is available, read it back, otherwise wait until next frame + GLuint res = 1; + if (!isOcclusionState(DISCARD_QUERY) && mOcclusionQuery[LLViewerCamera::sCurCameraID]) + { + glGetQueryObjectuivARB(mOcclusionQuery[LLViewerCamera::sCurCameraID], GL_QUERY_RESULT_ARB, &res); + } - if (res > 0) - { - assert_states_valid(this); - clearOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF); - assert_states_valid(this); - } - else - { - assert_states_valid(this); - setOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF); - assert_states_valid(this); - } + if (isOcclusionState(DISCARD_QUERY)) + { + res = 2; + } - clearOcclusionState(QUERY_PENDING | DISCARD_QUERY); + if (res > 0) + { + assert_states_valid(this); + clearOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF); + assert_states_valid(this); + } + else + { + assert_states_valid(this); + setOcclusionState(LLSpatialGroup::OCCLUDED, LLSpatialGroup::STATE_MODE_DIFF); + assert_states_valid(this); + } + + clearOcclusionState(QUERY_PENDING | DISCARD_QUERY); + } } else if (mSpatialPartition->isOcclusionEnabled() && isOcclusionState(LLSpatialGroup::OCCLUDED)) { //check occlusion has been issued for occluded node that has not had a query issued @@ -1566,54 +1594,59 @@ void LLSpatialGroup::doOcclusion(LLCamera* camera) } else { + if (!isOcclusionState(QUERY_PENDING) || isOcclusionState(DISCARD_QUERY)) { - LLFastTimer t(FTM_RENDER_OCCLUSION); + { //no query pending, or previous query to be discarded + LLFastTimer t(FTM_RENDER_OCCLUSION); - if (!mOcclusionQuery[LLViewerCamera::sCurCameraID]) - { - mOcclusionQuery[LLViewerCamera::sCurCameraID] = sQueryPool.allocate(); - } + if (!mOcclusionQuery[LLViewerCamera::sCurCameraID]) + { + mOcclusionQuery[LLViewerCamera::sCurCameraID] = sQueryPool.allocate(); + } - if (!mOcclusionVerts || isState(LLSpatialGroup::OCCLUSION_DIRTY)) - { - buildOcclusion(); - } - - // Depth clamp all water to avoid it being culled as a result of being - // behind the far clip plane, and in the case of edge water to avoid - // it being culled while still visible. - bool const use_depth_clamp = gGLManager.mHasDepthClamp && - (mSpatialPartition->mDrawableType == LLDrawPool::POOL_WATER || - mSpatialPartition->mDrawableType == LLDrawPool::POOL_VOIDWATER); - if (use_depth_clamp) - { - glEnable(GL_DEPTH_CLAMP); - } - - glBeginQueryARB(GL_SAMPLES_PASSED_ARB, mOcclusionQuery[LLViewerCamera::sCurCameraID]); - glVertexPointer(3, GL_FLOAT, 16, mOcclusionVerts); - if (camera->getOrigin().isExactlyZero()) - { //origin is invalid, draw entire box - glDrawRangeElements(GL_TRIANGLE_FAN, 0, 7, 8, - GL_UNSIGNED_BYTE, sOcclusionIndices); - glDrawRangeElements(GL_TRIANGLE_FAN, 0, 7, 8, - GL_UNSIGNED_BYTE, sOcclusionIndices+b111*8); - } - else - { - glDrawRangeElements(GL_TRIANGLE_FAN, 0, 7, 8, - GL_UNSIGNED_BYTE, get_box_fan_indices(camera, mBounds[0])); - } - glEndQueryARB(GL_SAMPLES_PASSED_ARB); - - if (use_depth_clamp) - { - glDisable(GL_DEPTH_CLAMP); + if (mOcclusionVerts.isNull() || isState(LLSpatialGroup::OCCLUSION_DIRTY)) + { + buildOcclusion(); + } + + // Depth clamp all water to avoid it being culled as a result of being + // behind the far clip plane, and in the case of edge water to avoid + // it being culled while still visible. + bool const use_depth_clamp = gGLManager.mHasDepthClamp && + (mSpatialPartition->mDrawableType == LLDrawPool::POOL_WATER || + mSpatialPartition->mDrawableType == LLDrawPool::POOL_VOIDWATER); + if (use_depth_clamp) + { + glEnable(GL_DEPTH_CLAMP); + } + + U32 mode = gGLManager.mHasOcclusionQuery2 ? GL_ANY_SAMPLES_PASSED : GL_SAMPLES_PASSED_ARB; + + glBeginQueryARB(mode, mOcclusionQuery[LLViewerCamera::sCurCameraID]); + + mOcclusionVerts->setBuffer(LLVertexBuffer::MAP_VERTEX); + + 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); + + if (use_depth_clamp) + { + glDisable(GL_DEPTH_CLAMP); + } } - } - setOcclusionState(LLSpatialGroup::QUERY_PENDING); - clearOcclusionState(LLSpatialGroup::DISCARD_QUERY); + setOcclusionState(LLSpatialGroup::QUERY_PENDING); + clearOcclusionState(LLSpatialGroup::DISCARD_QUERY); + } } } } @@ -2607,17 +2640,17 @@ void renderVisibility(LLSpatialGroup* group, LLCamera* camera) gGL.color4f(0.f, 0.75f, 0.f, 0.5f); pushBufferVerts(group, LLVertexBuffer::MAP_VERTEX); } - else if (camera && group->mOcclusionVerts) + else if (camera && group->mOcclusionVerts.notNull()) { LLVertexBuffer::unbind(); - glVertexPointer(3, GL_FLOAT, 16, group->mOcclusionVerts); - + group->mOcclusionVerts->setBuffer(LLVertexBuffer::MAP_VERTEX); + glColor4f(1.0f, 0.f, 0.f, 0.5f); - glDrawRangeElements(GL_TRIANGLE_FAN, 0, 7, 8, GL_UNSIGNED_BYTE, get_box_fan_indices(camera, group->mBounds[0])); + group->mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, group->mBounds[0])); glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); glColor4f(1.0f, 1.f, 1.f, 1.0f); - glDrawRangeElements(GL_TRIANGLE_FAN, 0, 7, 8, GL_UNSIGNED_BYTE, get_box_fan_indices(camera, group->mBounds[0])); + group->mOcclusionVerts->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, group->mBounds[0])); glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); } } |