diff options
Diffstat (limited to 'indra/newview/llsurfacepatch.cpp')
| -rw-r--r-- | indra/newview/llsurfacepatch.cpp | 1626 |
1 files changed, 813 insertions, 813 deletions
diff --git a/indra/newview/llsurfacepatch.cpp b/indra/newview/llsurfacepatch.cpp index 449d3d95c8..b71b6ae50c 100644 --- a/indra/newview/llsurfacepatch.cpp +++ b/indra/newview/llsurfacepatch.cpp @@ -1,25 +1,25 @@ -/** +/** * @file llsurfacepatch.cpp * @brief LLSurfacePatch class implementation * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, 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 * $/LicenseInfo$ */ @@ -46,196 +46,196 @@ extern bool gShiftFrame; extern U64MicrosecondsImplicit gFrameTime; extern LLPipeline gPipeline; -LLSurfacePatch::LLSurfacePatch() -: mHasReceivedData(FALSE), - mSTexUpdate(FALSE), - mDirty(FALSE), - mDirtyZStats(TRUE), - mHeightsGenerated(FALSE), - mDataOffset(0), - mDataZ(NULL), - mDataNorm(NULL), - mVObjp(NULL), - mOriginRegion(0.f, 0.f, 0.f), - mCenterRegion(0.f, 0.f, 0.f), - mMinZ(0.f), - mMaxZ(0.f), - mMeanZ(0.f), - mRadius(0.f), - mMinComposition(0.f), - mMaxComposition(0.f), - mMeanComposition(0.f), - // This flag is used to communicate between adjacent surfaces and is - // set to non-zero values by higher classes. - mConnectedEdge(NO_EDGE), - mLastUpdateTime(0), - mSurfacep(NULL) -{ - S32 i; - for (i = 0; i < 8; i++) - { - setNeighborPatch(i, NULL); - } - for (i = 0; i < 9; i++) - { - mNormalsInvalid[i] = TRUE; - } +LLSurfacePatch::LLSurfacePatch() +: mHasReceivedData(FALSE), + mSTexUpdate(FALSE), + mDirty(FALSE), + mDirtyZStats(TRUE), + mHeightsGenerated(FALSE), + mDataOffset(0), + mDataZ(NULL), + mDataNorm(NULL), + mVObjp(NULL), + mOriginRegion(0.f, 0.f, 0.f), + mCenterRegion(0.f, 0.f, 0.f), + mMinZ(0.f), + mMaxZ(0.f), + mMeanZ(0.f), + mRadius(0.f), + mMinComposition(0.f), + mMaxComposition(0.f), + mMeanComposition(0.f), + // This flag is used to communicate between adjacent surfaces and is + // set to non-zero values by higher classes. + mConnectedEdge(NO_EDGE), + mLastUpdateTime(0), + mSurfacep(NULL) +{ + S32 i; + for (i = 0; i < 8; i++) + { + setNeighborPatch(i, NULL); + } + for (i = 0; i < 9; i++) + { + mNormalsInvalid[i] = TRUE; + } } LLSurfacePatch::~LLSurfacePatch() { - mVObjp = NULL; + mVObjp = NULL; } void LLSurfacePatch::dirty() { - // These are outside of the loop in case we're still waiting for a dirty from the - // texture being updated... - if (mVObjp) - { - mVObjp->dirtyGeom(); - } - else - { - LL_WARNS("Terrain") << "No viewer object for this surface patch!" << LL_ENDL; - } - - mDirtyZStats = TRUE; - mHeightsGenerated = FALSE; - - if (!mDirty) - { - mDirty = TRUE; - mSurfacep->dirtySurfacePatch(this); - } + // These are outside of the loop in case we're still waiting for a dirty from the + // texture being updated... + if (mVObjp) + { + mVObjp->dirtyGeom(); + } + else + { + LL_WARNS("Terrain") << "No viewer object for this surface patch!" << LL_ENDL; + } + + mDirtyZStats = TRUE; + mHeightsGenerated = FALSE; + + if (!mDirty) + { + mDirty = TRUE; + mSurfacep->dirtySurfacePatch(this); + } } void LLSurfacePatch::setSurface(LLSurface *surfacep) { - mSurfacep = surfacep; - if (mVObjp == (LLVOSurfacePatch *)NULL) - { - llassert(mSurfacep->mType == 'l'); - - mVObjp = (LLVOSurfacePatch *)gObjectList.createObjectViewer(LLViewerObject::LL_VO_SURFACE_PATCH, mSurfacep->getRegion()); - mVObjp->setPatch(this); - mVObjp->setPositionRegion(mCenterRegion); - gPipeline.createObject(mVObjp); - } -} + mSurfacep = surfacep; + if (mVObjp == (LLVOSurfacePatch *)NULL) + { + llassert(mSurfacep->mType == 'l'); + + mVObjp = (LLVOSurfacePatch *)gObjectList.createObjectViewer(LLViewerObject::LL_VO_SURFACE_PATCH, mSurfacep->getRegion()); + mVObjp->setPatch(this); + mVObjp->setPositionRegion(mCenterRegion); + gPipeline.createObject(mVObjp); + } +} void LLSurfacePatch::disconnectNeighbor(LLSurface *surfacep) { - U32 i; - for (i = 0; i < 8; i++) - { - if (getNeighborPatch(i)) - { - if (getNeighborPatch(i)->mSurfacep == surfacep) - { - setNeighborPatch(i, NULL); - mNormalsInvalid[i] = TRUE; - } - } - } - - // Clean up connected edges - if (getNeighborPatch(EAST)) - { - if (getNeighborPatch(EAST)->mSurfacep == surfacep) - { - mConnectedEdge &= ~EAST_EDGE; - } - } - if (getNeighborPatch(NORTH)) - { - if (getNeighborPatch(NORTH)->mSurfacep == surfacep) - { - mConnectedEdge &= ~NORTH_EDGE; - } - } - if (getNeighborPatch(WEST)) - { - if (getNeighborPatch(WEST)->mSurfacep == surfacep) - { - mConnectedEdge &= ~WEST_EDGE; - } - } - if (getNeighborPatch(SOUTH)) - { - if (getNeighborPatch(SOUTH)->mSurfacep == surfacep) - { - mConnectedEdge &= ~SOUTH_EDGE; - } - } + U32 i; + for (i = 0; i < 8; i++) + { + if (getNeighborPatch(i)) + { + if (getNeighborPatch(i)->mSurfacep == surfacep) + { + setNeighborPatch(i, NULL); + mNormalsInvalid[i] = TRUE; + } + } + } + + // Clean up connected edges + if (getNeighborPatch(EAST)) + { + if (getNeighborPatch(EAST)->mSurfacep == surfacep) + { + mConnectedEdge &= ~EAST_EDGE; + } + } + if (getNeighborPatch(NORTH)) + { + if (getNeighborPatch(NORTH)->mSurfacep == surfacep) + { + mConnectedEdge &= ~NORTH_EDGE; + } + } + if (getNeighborPatch(WEST)) + { + if (getNeighborPatch(WEST)->mSurfacep == surfacep) + { + mConnectedEdge &= ~WEST_EDGE; + } + } + if (getNeighborPatch(SOUTH)) + { + if (getNeighborPatch(SOUTH)->mSurfacep == surfacep) + { + mConnectedEdge &= ~SOUTH_EDGE; + } + } } LLVector3 LLSurfacePatch::getPointAgent(const U32 x, const U32 y) const { - U32 surface_stride = mSurfacep->getGridsPerEdge(); - U32 point_offset = x + y*surface_stride; - LLVector3 pos; - pos = getOriginAgent(); - pos.mV[VX] += x * mSurfacep->getMetersPerGrid(); - pos.mV[VY] += y * mSurfacep->getMetersPerGrid(); - pos.mV[VZ] = *(mDataZ + point_offset); - return pos; + U32 surface_stride = mSurfacep->getGridsPerEdge(); + U32 point_offset = x + y*surface_stride; + LLVector3 pos; + pos = getOriginAgent(); + pos.mV[VX] += x * mSurfacep->getMetersPerGrid(); + pos.mV[VY] += y * mSurfacep->getMetersPerGrid(); + pos.mV[VZ] = *(mDataZ + point_offset); + return pos; } LLVector2 LLSurfacePatch::getTexCoords(const U32 x, const U32 y) const { - U32 surface_stride = mSurfacep->getGridsPerEdge(); - U32 point_offset = x + y*surface_stride; - LLVector3 pos, rel_pos; - pos = getOriginAgent(); - pos.mV[VX] += x * mSurfacep->getMetersPerGrid(); - pos.mV[VY] += y * mSurfacep->getMetersPerGrid(); - pos.mV[VZ] = *(mDataZ + point_offset); - rel_pos = pos - mSurfacep->getOriginAgent(); - rel_pos *= 1.f/surface_stride; - return LLVector2(rel_pos.mV[VX], rel_pos.mV[VY]); + U32 surface_stride = mSurfacep->getGridsPerEdge(); + U32 point_offset = x + y*surface_stride; + LLVector3 pos, rel_pos; + pos = getOriginAgent(); + pos.mV[VX] += x * mSurfacep->getMetersPerGrid(); + pos.mV[VY] += y * mSurfacep->getMetersPerGrid(); + pos.mV[VZ] = *(mDataZ + point_offset); + rel_pos = pos - mSurfacep->getOriginAgent(); + rel_pos *= 1.f/surface_stride; + return LLVector2(rel_pos.mV[VX], rel_pos.mV[VY]); } void LLSurfacePatch::eval(const U32 x, const U32 y, const U32 stride, LLVector3 *vertex, LLVector3 *normal, - LLVector2 *tex0, LLVector2 *tex1) + LLVector2 *tex0, LLVector2 *tex1) { - if (!mSurfacep || !mSurfacep->getRegion() || !mSurfacep->getGridsPerEdge() || !mVObjp) - { - return; // failsafe - } - llassert_always(vertex && normal && tex0 && tex1); - - U32 surface_stride = mSurfacep->getGridsPerEdge(); - U32 point_offset = x + y*surface_stride; - - *normal = getNormal(x, y); - - LLVector3 pos_agent = getOriginAgent(); - pos_agent.mV[VX] += x * mSurfacep->getMetersPerGrid(); - pos_agent.mV[VY] += y * mSurfacep->getMetersPerGrid(); - pos_agent.mV[VZ] = *(mDataZ + point_offset); - *vertex = pos_agent-mVObjp->getRegion()->getOriginAgent(); - - LLVector3 rel_pos = pos_agent - mSurfacep->getOriginAgent(); - LLVector3 tex_pos = rel_pos * (1.f/surface_stride); - tex0->mV[0] = tex_pos.mV[0]; - tex0->mV[1] = tex_pos.mV[1]; - tex1->mV[0] = mSurfacep->getRegion()->getCompositionXY(llfloor(mOriginRegion.mV[0])+x, llfloor(mOriginRegion.mV[1])+y); - - const F32 xyScale = 4.9215f*7.f; //0.93284f; - const F32 xyScaleInv = (1.f / xyScale)*(0.2222222222f); - - F32 vec[3] = { + if (!mSurfacep || !mSurfacep->getRegion() || !mSurfacep->getGridsPerEdge() || !mVObjp) + { + return; // failsafe + } + llassert_always(vertex && normal && tex0 && tex1); + + U32 surface_stride = mSurfacep->getGridsPerEdge(); + U32 point_offset = x + y*surface_stride; + + *normal = getNormal(x, y); + + LLVector3 pos_agent = getOriginAgent(); + pos_agent.mV[VX] += x * mSurfacep->getMetersPerGrid(); + pos_agent.mV[VY] += y * mSurfacep->getMetersPerGrid(); + pos_agent.mV[VZ] = *(mDataZ + point_offset); + *vertex = pos_agent-mVObjp->getRegion()->getOriginAgent(); + + LLVector3 rel_pos = pos_agent - mSurfacep->getOriginAgent(); + LLVector3 tex_pos = rel_pos * (1.f/surface_stride); + tex0->mV[0] = tex_pos.mV[0]; + tex0->mV[1] = tex_pos.mV[1]; + tex1->mV[0] = mSurfacep->getRegion()->getCompositionXY(llfloor(mOriginRegion.mV[0])+x, llfloor(mOriginRegion.mV[1])+y); + + const F32 xyScale = 4.9215f*7.f; //0.93284f; + const F32 xyScaleInv = (1.f / xyScale)*(0.2222222222f); + + F32 vec[3] = { (F32)fmod((F32)(mOriginGlobal.mdV[0] + x)*xyScaleInv, 256.f), (F32)fmod((F32)(mOriginGlobal.mdV[1] + y)*xyScaleInv, 256.f), - 0.f - }; - F32 rand_val = llclamp(noise2(vec)* 0.75f + 0.5f, 0.f, 1.f); - tex1->mV[1] = rand_val; + 0.f + }; + F32 rand_val = llclamp(noise2(vec)* 0.75f + 0.5f, 0.f, 1.f); + tex1->mV[1] = rand_val; } @@ -243,790 +243,790 @@ void LLSurfacePatch::eval(const U32 x, const U32 y, const U32 stride, LLVector3 void LLSurfacePatch::calcNormal(const U32 x, const U32 y, const U32 stride) { - U32 patch_width = mSurfacep->mPVArray.mPatchWidth; - U32 surface_stride = mSurfacep->getGridsPerEdge(); - - const F32 mpg = mSurfacep->getMetersPerGrid() * stride; - - S32 poffsets[2][2][2]; - poffsets[0][0][0] = x - stride; - poffsets[0][0][1] = y - stride; - - poffsets[0][1][0] = x - stride; - poffsets[0][1][1] = y + stride; - - poffsets[1][0][0] = x + stride; - poffsets[1][0][1] = y - stride; - - poffsets[1][1][0] = x + stride; - poffsets[1][1][1] = y + stride; - - const LLSurfacePatch *ppatches[2][2]; - - // LLVector3 p1, p2, p3, p4; - - ppatches[0][0] = this; - ppatches[0][1] = this; - ppatches[1][0] = this; - ppatches[1][1] = this; - - U32 i, j; - for (i = 0; i < 2; i++) - { - for (j = 0; j < 2; j++) - { - if (poffsets[i][j][0] < 0) - { - if (!ppatches[i][j]->getNeighborPatch(WEST)) - { - poffsets[i][j][0] = 0; - } - else - { - poffsets[i][j][0] += patch_width; - ppatches[i][j] = ppatches[i][j]->getNeighborPatch(WEST); - } - } - if (poffsets[i][j][1] < 0) - { - if (!ppatches[i][j]->getNeighborPatch(SOUTH)) - { - poffsets[i][j][1] = 0; - } - else - { - poffsets[i][j][1] += patch_width; - ppatches[i][j] = ppatches[i][j]->getNeighborPatch(SOUTH); - } - } - if (poffsets[i][j][0] >= (S32)patch_width) - { - if (!ppatches[i][j]->getNeighborPatch(EAST)) - { - poffsets[i][j][0] = patch_width - 1; - } - else - { - poffsets[i][j][0] -= patch_width; - ppatches[i][j] = ppatches[i][j]->getNeighborPatch(EAST); - } - } - if (poffsets[i][j][1] >= (S32)patch_width) - { - if (!ppatches[i][j]->getNeighborPatch(NORTH)) - { - poffsets[i][j][1] = patch_width - 1; - } - else - { - poffsets[i][j][1] -= patch_width; - ppatches[i][j] = ppatches[i][j]->getNeighborPatch(NORTH); - } - } - } - } - - LLVector3 p00(-mpg,-mpg, - *(ppatches[0][0]->mDataZ - + poffsets[0][0][0] - + poffsets[0][0][1]*surface_stride)); - LLVector3 p01(-mpg,+mpg, - *(ppatches[0][1]->mDataZ - + poffsets[0][1][0] - + poffsets[0][1][1]*surface_stride)); - LLVector3 p10(+mpg,-mpg, - *(ppatches[1][0]->mDataZ - + poffsets[1][0][0] - + poffsets[1][0][1]*surface_stride)); - LLVector3 p11(+mpg,+mpg, - *(ppatches[1][1]->mDataZ - + poffsets[1][1][0] - + poffsets[1][1][1]*surface_stride)); - - LLVector3 c1 = p11 - p00; - LLVector3 c2 = p01 - p10; - - LLVector3 normal = c1; - normal %= c2; - normal.normVec(); - - llassert(mDataNorm); - *(mDataNorm + surface_stride * y + x) = normal; + U32 patch_width = mSurfacep->mPVArray.mPatchWidth; + U32 surface_stride = mSurfacep->getGridsPerEdge(); + + const F32 mpg = mSurfacep->getMetersPerGrid() * stride; + + S32 poffsets[2][2][2]; + poffsets[0][0][0] = x - stride; + poffsets[0][0][1] = y - stride; + + poffsets[0][1][0] = x - stride; + poffsets[0][1][1] = y + stride; + + poffsets[1][0][0] = x + stride; + poffsets[1][0][1] = y - stride; + + poffsets[1][1][0] = x + stride; + poffsets[1][1][1] = y + stride; + + const LLSurfacePatch *ppatches[2][2]; + + // LLVector3 p1, p2, p3, p4; + + ppatches[0][0] = this; + ppatches[0][1] = this; + ppatches[1][0] = this; + ppatches[1][1] = this; + + U32 i, j; + for (i = 0; i < 2; i++) + { + for (j = 0; j < 2; j++) + { + if (poffsets[i][j][0] < 0) + { + if (!ppatches[i][j]->getNeighborPatch(WEST)) + { + poffsets[i][j][0] = 0; + } + else + { + poffsets[i][j][0] += patch_width; + ppatches[i][j] = ppatches[i][j]->getNeighborPatch(WEST); + } + } + if (poffsets[i][j][1] < 0) + { + if (!ppatches[i][j]->getNeighborPatch(SOUTH)) + { + poffsets[i][j][1] = 0; + } + else + { + poffsets[i][j][1] += patch_width; + ppatches[i][j] = ppatches[i][j]->getNeighborPatch(SOUTH); + } + } + if (poffsets[i][j][0] >= (S32)patch_width) + { + if (!ppatches[i][j]->getNeighborPatch(EAST)) + { + poffsets[i][j][0] = patch_width - 1; + } + else + { + poffsets[i][j][0] -= patch_width; + ppatches[i][j] = ppatches[i][j]->getNeighborPatch(EAST); + } + } + if (poffsets[i][j][1] >= (S32)patch_width) + { + if (!ppatches[i][j]->getNeighborPatch(NORTH)) + { + poffsets[i][j][1] = patch_width - 1; + } + else + { + poffsets[i][j][1] -= patch_width; + ppatches[i][j] = ppatches[i][j]->getNeighborPatch(NORTH); + } + } + } + } + + LLVector3 p00(-mpg,-mpg, + *(ppatches[0][0]->mDataZ + + poffsets[0][0][0] + + poffsets[0][0][1]*surface_stride)); + LLVector3 p01(-mpg,+mpg, + *(ppatches[0][1]->mDataZ + + poffsets[0][1][0] + + poffsets[0][1][1]*surface_stride)); + LLVector3 p10(+mpg,-mpg, + *(ppatches[1][0]->mDataZ + + poffsets[1][0][0] + + poffsets[1][0][1]*surface_stride)); + LLVector3 p11(+mpg,+mpg, + *(ppatches[1][1]->mDataZ + + poffsets[1][1][0] + + poffsets[1][1][1]*surface_stride)); + + LLVector3 c1 = p11 - p00; + LLVector3 c2 = p01 - p10; + + LLVector3 normal = c1; + normal %= c2; + normal.normVec(); + + llassert(mDataNorm); + *(mDataNorm + surface_stride * y + x) = normal; } const LLVector3 &LLSurfacePatch::getNormal(const U32 x, const U32 y) const { - U32 surface_stride = mSurfacep->getGridsPerEdge(); - llassert(mDataNorm); - return *(mDataNorm + surface_stride * y + x); + U32 surface_stride = mSurfacep->getGridsPerEdge(); + llassert(mDataNorm); + return *(mDataNorm + surface_stride * y + x); } void LLSurfacePatch::updateCameraDistanceRegion(const LLVector3 &pos_region) { - if (LLPipeline::sDynamicLOD) - { - if (!gShiftFrame) - { - LLVector3 dv = pos_region; - dv -= mCenterRegion; - mVisInfo.mDistance = llmax(0.f, (F32)(dv.magVec() - mRadius))/ - llmax(LLVOSurfacePatch::sLODFactor, 0.1f); - } - } - else - { - mVisInfo.mDistance = 0.f; - } + if (LLPipeline::sDynamicLOD) + { + if (!gShiftFrame) + { + LLVector3 dv = pos_region; + dv -= mCenterRegion; + mVisInfo.mDistance = llmax(0.f, (F32)(dv.magVec() - mRadius))/ + llmax(LLVOSurfacePatch::sLODFactor, 0.1f); + } + } + else + { + mVisInfo.mDistance = 0.f; + } } F32 LLSurfacePatch::getDistance() const { - return mVisInfo.mDistance; + return mVisInfo.mDistance; } // Called when a patch has changed its height field // data. -void LLSurfacePatch::updateVerticalStats() +void LLSurfacePatch::updateVerticalStats() { - if (!mDirtyZStats) - { - return; - } - - U32 grids_per_patch_edge = mSurfacep->getGridsPerPatchEdge(); - U32 grids_per_edge = mSurfacep->getGridsPerEdge(); - F32 meters_per_grid = mSurfacep->getMetersPerGrid(); - - U32 i, j, k; - F32 z, total; - - llassert(mDataZ); - z = *(mDataZ); - - mMinZ = z; - mMaxZ = z; - - k = 0; - total = 0.0f; - - // Iterate to +1 because we need to do the edges correctly. - for (j=0; j<(grids_per_patch_edge+1); j++) - { - for (i=0; i<(grids_per_patch_edge+1); i++) - { - z = *(mDataZ + i + j*grids_per_edge); - - if (z < mMinZ) - { - mMinZ = z; - } - if (z > mMaxZ) - { - mMaxZ = z; - } - total += z; - k++; - } - } - mMeanZ = total / (F32) k; - mCenterRegion.mV[VZ] = 0.5f * (mMinZ + mMaxZ); - - LLVector3 diam_vec(meters_per_grid*grids_per_patch_edge, - meters_per_grid*grids_per_patch_edge, - mMaxZ - mMinZ); - mRadius = diam_vec.magVec() * 0.5f; - - mSurfacep->mMaxZ = llmax(mMaxZ, mSurfacep->mMaxZ); - mSurfacep->mMinZ = llmin(mMinZ, mSurfacep->mMinZ); - mSurfacep->mHasZData = TRUE; - mSurfacep->getRegion()->calculateCenterGlobal(); - - if (mVObjp) - { - mVObjp->dirtyPatch(); - } - mDirtyZStats = FALSE; + if (!mDirtyZStats) + { + return; + } + + U32 grids_per_patch_edge = mSurfacep->getGridsPerPatchEdge(); + U32 grids_per_edge = mSurfacep->getGridsPerEdge(); + F32 meters_per_grid = mSurfacep->getMetersPerGrid(); + + U32 i, j, k; + F32 z, total; + + llassert(mDataZ); + z = *(mDataZ); + + mMinZ = z; + mMaxZ = z; + + k = 0; + total = 0.0f; + + // Iterate to +1 because we need to do the edges correctly. + for (j=0; j<(grids_per_patch_edge+1); j++) + { + for (i=0; i<(grids_per_patch_edge+1); i++) + { + z = *(mDataZ + i + j*grids_per_edge); + + if (z < mMinZ) + { + mMinZ = z; + } + if (z > mMaxZ) + { + mMaxZ = z; + } + total += z; + k++; + } + } + mMeanZ = total / (F32) k; + mCenterRegion.mV[VZ] = 0.5f * (mMinZ + mMaxZ); + + LLVector3 diam_vec(meters_per_grid*grids_per_patch_edge, + meters_per_grid*grids_per_patch_edge, + mMaxZ - mMinZ); + mRadius = diam_vec.magVec() * 0.5f; + + mSurfacep->mMaxZ = llmax(mMaxZ, mSurfacep->mMaxZ); + mSurfacep->mMinZ = llmin(mMinZ, mSurfacep->mMinZ); + mSurfacep->mHasZData = TRUE; + mSurfacep->getRegion()->calculateCenterGlobal(); + + if (mVObjp) + { + mVObjp->dirtyPatch(); + } + mDirtyZStats = FALSE; } -void LLSurfacePatch::updateNormals() +void LLSurfacePatch::updateNormals() { - if (mSurfacep->mType == 'w') - { - return; - } - U32 grids_per_patch_edge = mSurfacep->getGridsPerPatchEdge(); - U32 grids_per_edge = mSurfacep->getGridsPerEdge(); - - BOOL dirty_patch = FALSE; - - U32 i, j; - // update the east edge - if (mNormalsInvalid[EAST] || mNormalsInvalid[NORTHEAST] || mNormalsInvalid[SOUTHEAST]) - { - for (j = 0; j <= grids_per_patch_edge; j++) - { - calcNormal(grids_per_patch_edge, j, 2); - calcNormal(grids_per_patch_edge - 1, j, 2); - calcNormal(grids_per_patch_edge - 2, j, 2); - } - - dirty_patch = TRUE; - } - - // update the north edge - if (mNormalsInvalid[NORTHEAST] || mNormalsInvalid[NORTH] || mNormalsInvalid[NORTHWEST]) - { - for (i = 0; i <= grids_per_patch_edge; i++) - { - calcNormal(i, grids_per_patch_edge, 2); - calcNormal(i, grids_per_patch_edge - 1, 2); - calcNormal(i, grids_per_patch_edge - 2, 2); - } - - dirty_patch = TRUE; - } - - // update the west edge - if (mNormalsInvalid[NORTHWEST] || mNormalsInvalid[WEST] || mNormalsInvalid[SOUTHWEST]) - { - for (j = 0; j < grids_per_patch_edge; j++) - { - calcNormal(0, j, 2); - calcNormal(1, j, 2); - } - dirty_patch = TRUE; - } - - // update the south edge - if (mNormalsInvalid[SOUTHWEST] || mNormalsInvalid[SOUTH] || mNormalsInvalid[SOUTHEAST]) - { - for (i = 0; i < grids_per_patch_edge; i++) - { - calcNormal(i, 0, 2); - calcNormal(i, 1, 2); - } - dirty_patch = TRUE; - } - - // Invalidating the northeast corner is different, because depending on what the adjacent neighbors are, - // we'll want to do different things. - if (mNormalsInvalid[NORTHEAST]) - { - if (!getNeighborPatch(NORTHEAST)) - { - if (!getNeighborPatch(NORTH)) - { - if (!getNeighborPatch(EAST)) - { - // No north or east neighbors. Pull from the diagonal in your own patch. - *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = - *(mDataZ + grids_per_patch_edge - 1 + (grids_per_patch_edge - 1)*grids_per_edge); - } - else - { - if (getNeighborPatch(EAST)->getHasReceivedData()) - { - // East, but not north. Pull from your east neighbor's northwest point. - *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = - *(getNeighborPatch(EAST)->mDataZ + (grids_per_patch_edge - 1)*grids_per_edge); - } - else - { - *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = - *(mDataZ + grids_per_patch_edge - 1 + (grids_per_patch_edge - 1)*grids_per_edge); - } - } - } - else - { - // We have a north. - if (getNeighborPatch(EAST)) - { - // North and east neighbors, but not northeast. - // Pull from diagonal in your own patch. - *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = - *(mDataZ + grids_per_patch_edge - 1 + (grids_per_patch_edge - 1)*grids_per_edge); - } - else - { - if (getNeighborPatch(NORTH)->getHasReceivedData()) - { - // North, but not east. Pull from your north neighbor's southeast corner. - *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = - *(getNeighborPatch(NORTH)->mDataZ + (grids_per_patch_edge - 1)); - } - else - { - *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = - *(mDataZ + grids_per_patch_edge - 1 + (grids_per_patch_edge - 1)*grids_per_edge); - } - } - } - } - else if (getNeighborPatch(NORTHEAST)->mSurfacep != mSurfacep) - { - if ( - (!getNeighborPatch(NORTH) || (getNeighborPatch(NORTH)->mSurfacep != mSurfacep)) - && - (!getNeighborPatch(EAST) || (getNeighborPatch(EAST)->mSurfacep != mSurfacep))) - { - *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = - *(getNeighborPatch(NORTHEAST)->mDataZ); - } - } - else - { - // We've got a northeast patch in the same surface. - // The z and normals will be handled by that patch. - } - calcNormal(grids_per_patch_edge, grids_per_patch_edge, 2); - calcNormal(grids_per_patch_edge, grids_per_patch_edge - 1, 2); - calcNormal(grids_per_patch_edge - 1, grids_per_patch_edge, 2); - calcNormal(grids_per_patch_edge - 1, grids_per_patch_edge - 1, 2); - dirty_patch = TRUE; - } - - // update the middle normals - if (mNormalsInvalid[MIDDLE]) - { - for (j=2; j < grids_per_patch_edge - 2; j++) - { - for (i=2; i < grids_per_patch_edge - 2; i++) - { - calcNormal(i, j, 2); - } - } - dirty_patch = TRUE; - } - - if (dirty_patch) - { - mSurfacep->dirtySurfacePatch(this); - } - - for (i = 0; i < 9; i++) - { - mNormalsInvalid[i] = FALSE; - } + if (mSurfacep->mType == 'w') + { + return; + } + U32 grids_per_patch_edge = mSurfacep->getGridsPerPatchEdge(); + U32 grids_per_edge = mSurfacep->getGridsPerEdge(); + + BOOL dirty_patch = FALSE; + + U32 i, j; + // update the east edge + if (mNormalsInvalid[EAST] || mNormalsInvalid[NORTHEAST] || mNormalsInvalid[SOUTHEAST]) + { + for (j = 0; j <= grids_per_patch_edge; j++) + { + calcNormal(grids_per_patch_edge, j, 2); + calcNormal(grids_per_patch_edge - 1, j, 2); + calcNormal(grids_per_patch_edge - 2, j, 2); + } + + dirty_patch = TRUE; + } + + // update the north edge + if (mNormalsInvalid[NORTHEAST] || mNormalsInvalid[NORTH] || mNormalsInvalid[NORTHWEST]) + { + for (i = 0; i <= grids_per_patch_edge; i++) + { + calcNormal(i, grids_per_patch_edge, 2); + calcNormal(i, grids_per_patch_edge - 1, 2); + calcNormal(i, grids_per_patch_edge - 2, 2); + } + + dirty_patch = TRUE; + } + + // update the west edge + if (mNormalsInvalid[NORTHWEST] || mNormalsInvalid[WEST] || mNormalsInvalid[SOUTHWEST]) + { + for (j = 0; j < grids_per_patch_edge; j++) + { + calcNormal(0, j, 2); + calcNormal(1, j, 2); + } + dirty_patch = TRUE; + } + + // update the south edge + if (mNormalsInvalid[SOUTHWEST] || mNormalsInvalid[SOUTH] || mNormalsInvalid[SOUTHEAST]) + { + for (i = 0; i < grids_per_patch_edge; i++) + { + calcNormal(i, 0, 2); + calcNormal(i, 1, 2); + } + dirty_patch = TRUE; + } + + // Invalidating the northeast corner is different, because depending on what the adjacent neighbors are, + // we'll want to do different things. + if (mNormalsInvalid[NORTHEAST]) + { + if (!getNeighborPatch(NORTHEAST)) + { + if (!getNeighborPatch(NORTH)) + { + if (!getNeighborPatch(EAST)) + { + // No north or east neighbors. Pull from the diagonal in your own patch. + *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = + *(mDataZ + grids_per_patch_edge - 1 + (grids_per_patch_edge - 1)*grids_per_edge); + } + else + { + if (getNeighborPatch(EAST)->getHasReceivedData()) + { + // East, but not north. Pull from your east neighbor's northwest point. + *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = + *(getNeighborPatch(EAST)->mDataZ + (grids_per_patch_edge - 1)*grids_per_edge); + } + else + { + *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = + *(mDataZ + grids_per_patch_edge - 1 + (grids_per_patch_edge - 1)*grids_per_edge); + } + } + } + else + { + // We have a north. + if (getNeighborPatch(EAST)) + { + // North and east neighbors, but not northeast. + // Pull from diagonal in your own patch. + *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = + *(mDataZ + grids_per_patch_edge - 1 + (grids_per_patch_edge - 1)*grids_per_edge); + } + else + { + if (getNeighborPatch(NORTH)->getHasReceivedData()) + { + // North, but not east. Pull from your north neighbor's southeast corner. + *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = + *(getNeighborPatch(NORTH)->mDataZ + (grids_per_patch_edge - 1)); + } + else + { + *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = + *(mDataZ + grids_per_patch_edge - 1 + (grids_per_patch_edge - 1)*grids_per_edge); + } + } + } + } + else if (getNeighborPatch(NORTHEAST)->mSurfacep != mSurfacep) + { + if ( + (!getNeighborPatch(NORTH) || (getNeighborPatch(NORTH)->mSurfacep != mSurfacep)) + && + (!getNeighborPatch(EAST) || (getNeighborPatch(EAST)->mSurfacep != mSurfacep))) + { + *(mDataZ + grids_per_patch_edge + grids_per_patch_edge*grids_per_edge) = + *(getNeighborPatch(NORTHEAST)->mDataZ); + } + } + else + { + // We've got a northeast patch in the same surface. + // The z and normals will be handled by that patch. + } + calcNormal(grids_per_patch_edge, grids_per_patch_edge, 2); + calcNormal(grids_per_patch_edge, grids_per_patch_edge - 1, 2); + calcNormal(grids_per_patch_edge - 1, grids_per_patch_edge, 2); + calcNormal(grids_per_patch_edge - 1, grids_per_patch_edge - 1, 2); + dirty_patch = TRUE; + } + + // update the middle normals + if (mNormalsInvalid[MIDDLE]) + { + for (j=2; j < grids_per_patch_edge - 2; j++) + { + for (i=2; i < grids_per_patch_edge - 2; i++) + { + calcNormal(i, j, 2); + } + } + dirty_patch = TRUE; + } + + if (dirty_patch) + { + mSurfacep->dirtySurfacePatch(this); + } + + for (i = 0; i < 9; i++) + { + mNormalsInvalid[i] = FALSE; + } } void LLSurfacePatch::updateEastEdge() { - U32 grids_per_patch_edge = mSurfacep->getGridsPerPatchEdge(); - U32 grids_per_edge = mSurfacep->getGridsPerEdge(); - - U32 j, k; - F32 *west_surface, *east_surface; - - if (!getNeighborPatch(EAST)) - { - west_surface = mDataZ + grids_per_patch_edge; - east_surface = mDataZ + grids_per_patch_edge - 1; - } - else if (mConnectedEdge & EAST_EDGE) - { - west_surface = mDataZ + grids_per_patch_edge; - east_surface = getNeighborPatch(EAST)->mDataZ; - } - else - { - return; - } - - // If patchp is on the east edge of its surface, then we update the east - // side buffer - for (j=0; j < grids_per_patch_edge; j++) - { - k = j * grids_per_edge; - *(west_surface + k) = *(east_surface + k); // update buffer Z - } + U32 grids_per_patch_edge = mSurfacep->getGridsPerPatchEdge(); + U32 grids_per_edge = mSurfacep->getGridsPerEdge(); + + U32 j, k; + F32 *west_surface, *east_surface; + + if (!getNeighborPatch(EAST)) + { + west_surface = mDataZ + grids_per_patch_edge; + east_surface = mDataZ + grids_per_patch_edge - 1; + } + else if (mConnectedEdge & EAST_EDGE) + { + west_surface = mDataZ + grids_per_patch_edge; + east_surface = getNeighborPatch(EAST)->mDataZ; + } + else + { + return; + } + + // If patchp is on the east edge of its surface, then we update the east + // side buffer + for (j=0; j < grids_per_patch_edge; j++) + { + k = j * grids_per_edge; + *(west_surface + k) = *(east_surface + k); // update buffer Z + } } void LLSurfacePatch::updateNorthEdge() { - U32 grids_per_patch_edge = mSurfacep->getGridsPerPatchEdge(); - U32 grids_per_edge = mSurfacep->getGridsPerEdge(); - - U32 i; - F32 *south_surface, *north_surface; - - if (!getNeighborPatch(NORTH)) - { - south_surface = mDataZ + grids_per_patch_edge*grids_per_edge; - north_surface = mDataZ + (grids_per_patch_edge - 1) * grids_per_edge; - } - else if (mConnectedEdge & NORTH_EDGE) - { - south_surface = mDataZ + grids_per_patch_edge*grids_per_edge; - north_surface = getNeighborPatch(NORTH)->mDataZ; - } - else - { - return; - } - - // Update patchp's north edge ... - for (i=0; i<grids_per_patch_edge; i++) - { - *(south_surface + i) = *(north_surface + i); // update buffer Z - } + U32 grids_per_patch_edge = mSurfacep->getGridsPerPatchEdge(); + U32 grids_per_edge = mSurfacep->getGridsPerEdge(); + + U32 i; + F32 *south_surface, *north_surface; + + if (!getNeighborPatch(NORTH)) + { + south_surface = mDataZ + grids_per_patch_edge*grids_per_edge; + north_surface = mDataZ + (grids_per_patch_edge - 1) * grids_per_edge; + } + else if (mConnectedEdge & NORTH_EDGE) + { + south_surface = mDataZ + grids_per_patch_edge*grids_per_edge; + north_surface = getNeighborPatch(NORTH)->mDataZ; + } + else + { + return; + } + + // Update patchp's north edge ... + for (i=0; i<grids_per_patch_edge; i++) + { + *(south_surface + i) = *(north_surface + i); // update buffer Z + } } BOOL LLSurfacePatch::updateTexture() { - if (mSTexUpdate) // Update texture as needed - { - F32 meters_per_grid = getSurface()->getMetersPerGrid(); - F32 grids_per_patch_edge = (F32)getSurface()->getGridsPerPatchEdge(); - - if ((!getNeighborPatch(EAST) || getNeighborPatch(EAST)->getHasReceivedData()) - && (!getNeighborPatch(WEST) || getNeighborPatch(WEST)->getHasReceivedData()) - && (!getNeighborPatch(SOUTH) || getNeighborPatch(SOUTH)->getHasReceivedData()) - && (!getNeighborPatch(NORTH) || getNeighborPatch(NORTH)->getHasReceivedData())) - { - LLViewerRegion *regionp = getSurface()->getRegion(); - LLVector3d origin_region = getOriginGlobal() - getSurface()->getOriginGlobal(); - - // Have to figure out a better way to deal with these edge conditions... - LLVLComposition* comp = regionp->getComposition(); - if (!mHeightsGenerated) - { - F32 patch_size = meters_per_grid*(grids_per_patch_edge+1); - if (comp->generateHeights((F32)origin_region[VX], (F32)origin_region[VY], - patch_size, patch_size)) - { - mHeightsGenerated = TRUE; - } - else - { - return FALSE; - } - } - - if (comp->generateComposition()) - { - if (mVObjp) - { - mVObjp->dirtyGeom(); - gPipeline.markGLRebuild(mVObjp); - return !mSTexUpdate; - } - } - } - return FALSE; - } - else - { - return TRUE; - } + if (mSTexUpdate) // Update texture as needed + { + F32 meters_per_grid = getSurface()->getMetersPerGrid(); + F32 grids_per_patch_edge = (F32)getSurface()->getGridsPerPatchEdge(); + + if ((!getNeighborPatch(EAST) || getNeighborPatch(EAST)->getHasReceivedData()) + && (!getNeighborPatch(WEST) || getNeighborPatch(WEST)->getHasReceivedData()) + && (!getNeighborPatch(SOUTH) || getNeighborPatch(SOUTH)->getHasReceivedData()) + && (!getNeighborPatch(NORTH) || getNeighborPatch(NORTH)->getHasReceivedData())) + { + LLViewerRegion *regionp = getSurface()->getRegion(); + LLVector3d origin_region = getOriginGlobal() - getSurface()->getOriginGlobal(); + + // Have to figure out a better way to deal with these edge conditions... + LLVLComposition* comp = regionp->getComposition(); + if (!mHeightsGenerated) + { + F32 patch_size = meters_per_grid*(grids_per_patch_edge+1); + if (comp->generateHeights((F32)origin_region[VX], (F32)origin_region[VY], + patch_size, patch_size)) + { + mHeightsGenerated = TRUE; + } + else + { + return FALSE; + } + } + + if (comp->generateComposition()) + { + if (mVObjp) + { + mVObjp->dirtyGeom(); + gPipeline.markGLRebuild(mVObjp); + return !mSTexUpdate; + } + } + } + return FALSE; + } + else + { + return TRUE; + } } void LLSurfacePatch::updateGL() { - LL_PROFILE_ZONE_SCOPED - F32 meters_per_grid = getSurface()->getMetersPerGrid(); - F32 grids_per_patch_edge = (F32)getSurface()->getGridsPerPatchEdge(); - - LLViewerRegion *regionp = getSurface()->getRegion(); - LLVector3d origin_region = getOriginGlobal() - getSurface()->getOriginGlobal(); - - LLVLComposition* comp = regionp->getComposition(); - - updateCompositionStats(); - F32 tex_patch_size = meters_per_grid*grids_per_patch_edge; - if (comp->generateTexture((F32)origin_region[VX], (F32)origin_region[VY], - tex_patch_size, tex_patch_size)) - { - mSTexUpdate = FALSE; - - // Also generate the water texture - mSurfacep->generateWaterTexture((F32)origin_region.mdV[VX], (F32)origin_region.mdV[VY], - tex_patch_size, tex_patch_size); - } + LL_PROFILE_ZONE_SCOPED + F32 meters_per_grid = getSurface()->getMetersPerGrid(); + F32 grids_per_patch_edge = (F32)getSurface()->getGridsPerPatchEdge(); + + LLViewerRegion *regionp = getSurface()->getRegion(); + LLVector3d origin_region = getOriginGlobal() - getSurface()->getOriginGlobal(); + + LLVLComposition* comp = regionp->getComposition(); + + updateCompositionStats(); + F32 tex_patch_size = meters_per_grid*grids_per_patch_edge; + if (comp->generateTexture((F32)origin_region[VX], (F32)origin_region[VY], + tex_patch_size, tex_patch_size)) + { + mSTexUpdate = FALSE; + + // Also generate the water texture + mSurfacep->generateWaterTexture((F32)origin_region.mdV[VX], (F32)origin_region.mdV[VY], + tex_patch_size, tex_patch_size); + } } void LLSurfacePatch::dirtyZ() { - mSTexUpdate = TRUE; - - // Invalidate all normals in this patch - U32 i; - for (i = 0; i < 9; i++) - { - mNormalsInvalid[i] = TRUE; - } - - // Invalidate normals in this and neighboring patches - for (i = 0; i < 8; i++) - { - if (getNeighborPatch(i)) - { - getNeighborPatch(i)->mNormalsInvalid[gDirOpposite[i]] = TRUE; - getNeighborPatch(i)->dirty(); - if (i < 4) - { - getNeighborPatch(i)->mNormalsInvalid[gDirAdjacent[gDirOpposite[i]][0]] = TRUE; - getNeighborPatch(i)->mNormalsInvalid[gDirAdjacent[gDirOpposite[i]][1]] = TRUE; - } - } - } - - dirty(); - mLastUpdateTime = gFrameTime; + mSTexUpdate = TRUE; + + // Invalidate all normals in this patch + U32 i; + for (i = 0; i < 9; i++) + { + mNormalsInvalid[i] = TRUE; + } + + // Invalidate normals in this and neighboring patches + for (i = 0; i < 8; i++) + { + if (getNeighborPatch(i)) + { + getNeighborPatch(i)->mNormalsInvalid[gDirOpposite[i]] = TRUE; + getNeighborPatch(i)->dirty(); + if (i < 4) + { + getNeighborPatch(i)->mNormalsInvalid[gDirAdjacent[gDirOpposite[i]][0]] = TRUE; + getNeighborPatch(i)->mNormalsInvalid[gDirAdjacent[gDirOpposite[i]][1]] = TRUE; + } + } + } + + dirty(); + mLastUpdateTime = gFrameTime; } const U64 &LLSurfacePatch::getLastUpdateTime() const { - return mLastUpdateTime; + return mLastUpdateTime; } F32 LLSurfacePatch::getMaxZ() const { - return mMaxZ; + return mMaxZ; } F32 LLSurfacePatch::getMinZ() const { - return mMinZ; + return mMinZ; } void LLSurfacePatch::setOriginGlobal(const LLVector3d &origin_global) { - mOriginGlobal = origin_global; + mOriginGlobal = origin_global; + + LLVector3 origin_region; + origin_region.setVec(mOriginGlobal - mSurfacep->getOriginGlobal()); - LLVector3 origin_region; - origin_region.setVec(mOriginGlobal - mSurfacep->getOriginGlobal()); + mOriginRegion = origin_region; + mCenterRegion.mV[VX] = origin_region.mV[VX] + 0.5f*mSurfacep->getGridsPerPatchEdge()*mSurfacep->getMetersPerGrid(); + mCenterRegion.mV[VY] = origin_region.mV[VY] + 0.5f*mSurfacep->getGridsPerPatchEdge()*mSurfacep->getMetersPerGrid(); - mOriginRegion = origin_region; - mCenterRegion.mV[VX] = origin_region.mV[VX] + 0.5f*mSurfacep->getGridsPerPatchEdge()*mSurfacep->getMetersPerGrid(); - mCenterRegion.mV[VY] = origin_region.mV[VY] + 0.5f*mSurfacep->getGridsPerPatchEdge()*mSurfacep->getMetersPerGrid(); + mVisInfo.mbIsVisible = FALSE; + mVisInfo.mDistance = 512.0f; + mVisInfo.mRenderLevel = 0; + mVisInfo.mRenderStride = mSurfacep->getGridsPerPatchEdge(); - mVisInfo.mbIsVisible = FALSE; - mVisInfo.mDistance = 512.0f; - mVisInfo.mRenderLevel = 0; - mVisInfo.mRenderStride = mSurfacep->getGridsPerPatchEdge(); - } void LLSurfacePatch::connectNeighbor(LLSurfacePatch *neighbor_patchp, const U32 direction) { - llassert(neighbor_patchp); - mNormalsInvalid[direction] = TRUE; - neighbor_patchp->mNormalsInvalid[gDirOpposite[direction]] = TRUE; - - setNeighborPatch(direction, neighbor_patchp); - neighbor_patchp->setNeighborPatch(gDirOpposite[direction], this); - - if (EAST == direction) - { - mConnectedEdge |= EAST_EDGE; - neighbor_patchp->mConnectedEdge |= WEST_EDGE; - } - else if (NORTH == direction) - { - mConnectedEdge |= NORTH_EDGE; - neighbor_patchp->mConnectedEdge |= SOUTH_EDGE; - } - else if (WEST == direction) - { - mConnectedEdge |= WEST_EDGE; - neighbor_patchp->mConnectedEdge |= EAST_EDGE; - } - else if (SOUTH == direction) - { - mConnectedEdge |= SOUTH_EDGE; - neighbor_patchp->mConnectedEdge |= NORTH_EDGE; - } + llassert(neighbor_patchp); + mNormalsInvalid[direction] = TRUE; + neighbor_patchp->mNormalsInvalid[gDirOpposite[direction]] = TRUE; + + setNeighborPatch(direction, neighbor_patchp); + neighbor_patchp->setNeighborPatch(gDirOpposite[direction], this); + + if (EAST == direction) + { + mConnectedEdge |= EAST_EDGE; + neighbor_patchp->mConnectedEdge |= WEST_EDGE; + } + else if (NORTH == direction) + { + mConnectedEdge |= NORTH_EDGE; + neighbor_patchp->mConnectedEdge |= SOUTH_EDGE; + } + else if (WEST == direction) + { + mConnectedEdge |= WEST_EDGE; + neighbor_patchp->mConnectedEdge |= EAST_EDGE; + } + else if (SOUTH == direction) + { + mConnectedEdge |= SOUTH_EDGE; + neighbor_patchp->mConnectedEdge |= NORTH_EDGE; + } } void LLSurfacePatch::updateVisibility() { - if (mVObjp.isNull()) - { - return; - } - - const F32 DEFAULT_DELTA_ANGLE = (0.15f); - U32 old_render_stride, max_render_stride; - U32 new_render_level; - F32 stride_per_distance = DEFAULT_DELTA_ANGLE / mSurfacep->getMetersPerGrid(); - U32 grids_per_patch_edge = mSurfacep->getGridsPerPatchEdge(); - - LLVector4a center; - center.load3( (mCenterRegion + mSurfacep->getOriginAgent()).mV); - LLVector4a radius; - radius.splat(mRadius); - - // sphere in frustum on global coordinates - if (LLViewerCamera::getInstance()->AABBInFrustumNoFarClip(center, radius)) - { - // We now need to calculate the render stride based on patchp's distance - // from LLCamera render_stride is governed by a relation something like this... - // - // delta_angle * patch.distance - // render_stride <= ---------------------------------------- - // mMetersPerGrid - // - // where 'delta_angle' is the desired solid angle of the average polgon on a patch. - // - // Any render_stride smaller than the RHS would be 'satisfactory'. Smaller - // strides give more resolution, but efficiency suggests that we use the largest - // of the render_strides that obey the relation. Flexibility is achieved by - // modulating 'delta_angle' until we have an acceptable number of triangles. - - old_render_stride = mVisInfo.mRenderStride; - - // Calculate the render_stride using information in agent - max_render_stride = lltrunc(mVisInfo.mDistance * stride_per_distance); - max_render_stride = llmin(max_render_stride , 2*grids_per_patch_edge); - - // We only use render_strides that are powers of two, so we use look-up tables to figure out - // the render_level and corresponding render_stride - new_render_level = mVisInfo.mRenderLevel = mSurfacep->getRenderLevel(max_render_stride); - mVisInfo.mRenderStride = mSurfacep->getRenderStride(new_render_level); - - if ((mVisInfo.mRenderStride != old_render_stride)) - // The reason we check !mbIsVisible is because non-visible patches normals - // are not updated when their data is changed. When this changes we can get - // rid of mbIsVisible altogether. - { - if (mVObjp) - { - mVObjp->dirtyGeom(); - if (getNeighborPatch(WEST)) - { - getNeighborPatch(WEST)->mVObjp->dirtyGeom(); - } - if (getNeighborPatch(SOUTH)) - { - getNeighborPatch(SOUTH)->mVObjp->dirtyGeom(); - } - } - } - mVisInfo.mbIsVisible = TRUE; - } - else - { - mVisInfo.mbIsVisible = FALSE; - } + if (mVObjp.isNull()) + { + return; + } + + const F32 DEFAULT_DELTA_ANGLE = (0.15f); + U32 old_render_stride, max_render_stride; + U32 new_render_level; + F32 stride_per_distance = DEFAULT_DELTA_ANGLE / mSurfacep->getMetersPerGrid(); + U32 grids_per_patch_edge = mSurfacep->getGridsPerPatchEdge(); + + LLVector4a center; + center.load3( (mCenterRegion + mSurfacep->getOriginAgent()).mV); + LLVector4a radius; + radius.splat(mRadius); + + // sphere in frustum on global coordinates + if (LLViewerCamera::getInstance()->AABBInFrustumNoFarClip(center, radius)) + { + // We now need to calculate the render stride based on patchp's distance + // from LLCamera render_stride is governed by a relation something like this... + // + // delta_angle * patch.distance + // render_stride <= ---------------------------------------- + // mMetersPerGrid + // + // where 'delta_angle' is the desired solid angle of the average polgon on a patch. + // + // Any render_stride smaller than the RHS would be 'satisfactory'. Smaller + // strides give more resolution, but efficiency suggests that we use the largest + // of the render_strides that obey the relation. Flexibility is achieved by + // modulating 'delta_angle' until we have an acceptable number of triangles. + + old_render_stride = mVisInfo.mRenderStride; + + // Calculate the render_stride using information in agent + max_render_stride = lltrunc(mVisInfo.mDistance * stride_per_distance); + max_render_stride = llmin(max_render_stride , 2*grids_per_patch_edge); + + // We only use render_strides that are powers of two, so we use look-up tables to figure out + // the render_level and corresponding render_stride + new_render_level = mVisInfo.mRenderLevel = mSurfacep->getRenderLevel(max_render_stride); + mVisInfo.mRenderStride = mSurfacep->getRenderStride(new_render_level); + + if ((mVisInfo.mRenderStride != old_render_stride)) + // The reason we check !mbIsVisible is because non-visible patches normals + // are not updated when their data is changed. When this changes we can get + // rid of mbIsVisible altogether. + { + if (mVObjp) + { + mVObjp->dirtyGeom(); + if (getNeighborPatch(WEST)) + { + getNeighborPatch(WEST)->mVObjp->dirtyGeom(); + } + if (getNeighborPatch(SOUTH)) + { + getNeighborPatch(SOUTH)->mVObjp->dirtyGeom(); + } + } + } + mVisInfo.mbIsVisible = TRUE; + } + else + { + mVisInfo.mbIsVisible = FALSE; + } } const LLVector3d &LLSurfacePatch::getOriginGlobal() const { - return mOriginGlobal; + return mOriginGlobal; } LLVector3 LLSurfacePatch::getOriginAgent() const { - return gAgent.getPosAgentFromGlobal(mOriginGlobal); + return gAgent.getPosAgentFromGlobal(mOriginGlobal); } BOOL LLSurfacePatch::getVisible() const { - return mVisInfo.mbIsVisible; + return mVisInfo.mbIsVisible; } U32 LLSurfacePatch::getRenderStride() const { - return mVisInfo.mRenderStride; + return mVisInfo.mRenderStride; } S32 LLSurfacePatch::getRenderLevel() const { - return mVisInfo.mRenderLevel; + return mVisInfo.mRenderLevel; } void LLSurfacePatch::setHasReceivedData() { - mHasReceivedData = TRUE; + mHasReceivedData = TRUE; } BOOL LLSurfacePatch::getHasReceivedData() const { - return mHasReceivedData; + return mHasReceivedData; } const LLVector3 &LLSurfacePatch::getCenterRegion() const { - return mCenterRegion; + return mCenterRegion; } void LLSurfacePatch::updateCompositionStats() { - LLViewerLayer *vlp = mSurfacep->getRegion()->getComposition(); - - F32 x, y, width, height, mpg, min, mean, max; - - LLVector3 origin = getOriginAgent() - mSurfacep->getOriginAgent(); - mpg = mSurfacep->getMetersPerGrid(); - x = origin.mV[VX]; - y = origin.mV[VY]; - width = mpg*(mSurfacep->getGridsPerPatchEdge()+1); - height = mpg*(mSurfacep->getGridsPerPatchEdge()+1); - - mean = 0.f; - min = vlp->getValueScaled(x, y); - max= min; - U32 count = 0; - F32 i, j; - for (j = 0; j < height; j += mpg) - { - for (i = 0; i < width; i += mpg) - { - F32 comp = vlp->getValueScaled(x + i, y + j); - mean += comp; - min = llmin(min, comp); - max = llmax(max, comp); - count++; - } - } - mean /= count; - - mMinComposition = min; - mMeanComposition = mean; - mMaxComposition = max; + LLViewerLayer *vlp = mSurfacep->getRegion()->getComposition(); + + F32 x, y, width, height, mpg, min, mean, max; + + LLVector3 origin = getOriginAgent() - mSurfacep->getOriginAgent(); + mpg = mSurfacep->getMetersPerGrid(); + x = origin.mV[VX]; + y = origin.mV[VY]; + width = mpg*(mSurfacep->getGridsPerPatchEdge()+1); + height = mpg*(mSurfacep->getGridsPerPatchEdge()+1); + + mean = 0.f; + min = vlp->getValueScaled(x, y); + max= min; + U32 count = 0; + F32 i, j; + for (j = 0; j < height; j += mpg) + { + for (i = 0; i < width; i += mpg) + { + F32 comp = vlp->getValueScaled(x + i, y + j); + mean += comp; + min = llmin(min, comp); + max = llmax(max, comp); + count++; + } + } + mean /= count; + + mMinComposition = min; + mMeanComposition = mean; + mMaxComposition = max; } F32 LLSurfacePatch::getMeanComposition() const { - return mMeanComposition; + return mMeanComposition; } F32 LLSurfacePatch::getMinComposition() const { - return mMinComposition; + return mMinComposition; } F32 LLSurfacePatch::getMaxComposition() const { - return mMaxComposition; + return mMaxComposition; } void LLSurfacePatch::setNeighborPatch(const U32 direction, LLSurfacePatch *neighborp) { - mNeighborPatches[direction] = neighborp; - mNormalsInvalid[direction] = TRUE; - if (direction < 4) - { - mNormalsInvalid[gDirAdjacent[direction][0]] = TRUE; - mNormalsInvalid[gDirAdjacent[direction][1]] = TRUE; - } + mNeighborPatches[direction] = neighborp; + mNormalsInvalid[direction] = TRUE; + if (direction < 4) + { + mNormalsInvalid[gDirAdjacent[direction][0]] = TRUE; + mNormalsInvalid[gDirAdjacent[direction][1]] = TRUE; + } } LLSurfacePatch *LLSurfacePatch::getNeighborPatch(const U32 direction) const { - return mNeighborPatches[direction]; + return mNeighborPatches[direction]; } void LLSurfacePatch::clearVObj() { - mVObjp = NULL; + mVObjp = NULL; } |