diff options
Diffstat (limited to 'indra/newview/llvowlsky.cpp')
-rw-r--r-- | indra/newview/llvowlsky.cpp | 432 |
1 files changed, 85 insertions, 347 deletions
diff --git a/indra/newview/llvowlsky.cpp b/indra/newview/llvowlsky.cpp index 2cb5fc81b0..d428cb1568 100644 --- a/indra/newview/llvowlsky.cpp +++ b/indra/newview/llvowlsky.cpp @@ -32,14 +32,12 @@ #include "llsky.h" #include "lldrawpoolwlsky.h" #include "llface.h" -#include "llwlparammanager.h" #include "llviewercontrol.h" +#include "llenvironment.h" +#include "llsettingssky.h" -#define DOME_SLICES 1 -const F32 LLVOWLSky::DISTANCE_TO_STARS = (HORIZON_DIST - 10.f)*0.25f; - -const U32 LLVOWLSky::MIN_SKY_DETAIL = 3; -const U32 LLVOWLSky::MAX_SKY_DETAIL = 180; +static const U32 MIN_SKY_DETAIL = 8; +static const U32 MAX_SKY_DETAIL = 180; inline U32 LLVOWLSky::getNumStacks(void) { @@ -51,16 +49,6 @@ inline U32 LLVOWLSky::getNumSlices(void) return 2 * llmin(MAX_SKY_DETAIL, llmax(MIN_SKY_DETAIL, gSavedSettings.getU32("WLSkyDetail"))); } -inline U32 LLVOWLSky::getFanNumVerts(void) -{ - return getNumSlices() + 1; -} - -inline U32 LLVOWLSky::getFanNumIndices(void) -{ - return getNumSlices() * 3; -} - inline U32 LLVOWLSky::getStripsNumVerts(void) { return (getNumStacks() - 1) * getNumSlices(); @@ -87,11 +75,6 @@ LLVOWLSky::LLVOWLSky(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regi initStars(); } -void LLVOWLSky::initSunDirection(LLVector3 const & sun_direction, - LLVector3 const & sun_angular_velocity) -{ -} - void LLVOWLSky::idleUpdate(LLAgent &agent, const F64 &time) { @@ -116,12 +99,16 @@ LLDrawable * LLVOWLSky::createDrawable(LLPipeline * pipeline) inline F32 LLVOWLSky::calcPhi(U32 i) { + // Calc: PI/8 * 1-((1-t^4)*(1-t^4)) { 0<t<1 } + // Demos: \pi/8*\left(1-((1-x^{4})*(1-x^{4}))\right)\ \left\{0<x\le1\right\} + // i should range from [0..SKY_STACKS] so t will range from [0.f .. 1.f] F32 t = float(i) / float(getNumStacks()); // ^4 the parameter of the tesselation to bias things toward 0 (the dome's apex) - t = t*t*t*t; - + t *= t; + t *= t; + // invert and square the parameter of the tesselation to bias things toward 1 (the horizon) t = 1.f - t; t = t*t; @@ -130,167 +117,20 @@ inline F32 LLVOWLSky::calcPhi(U32 i) return (F_PI / 8.f) * t; } -#if !DOME_SLICES -static const F32 Q = (1.f + sqrtf(5.f))/2.f; //golden ratio - -//icosahedron verts (based on asset b0c7b76e-28c6-1f87-a1de-752d5e3cd264, contact Runitai Linden for a copy) -static const LLVector3 icosahedron_vert[] = -{ - LLVector3(0,1.f,Q), - LLVector3(0,-1.f,Q), - LLVector3(0,-1.f,-Q), - LLVector3(0,1.f,-Q), - - LLVector3(Q,0,1.f), - LLVector3(-Q,0,1.f), - LLVector3(-Q,0,-1.f), - LLVector3(Q,0,-1.f), - - LLVector3(1,-Q,0.f), - LLVector3(-1,-Q,0.f), - LLVector3(-1,Q,0.f), - LLVector3(1,Q,0.f), -}; - -//indices -static const U32 icosahedron_ind[] = -{ - 5,0,1, - 10,0,5, - 5,1,9, - 10,5,6, - 6,5,9, - 11,0,10, - 3,11,10, - 3,10,6, - 3,6,2, - 7,3,2, - 8,7,2, - 4,7,8, - 1,4,8, - 9,8,2, - 9,2,6, - 11,3,7, - 4,0,11, - 4,11,7, - 1,0,4, - 1,8,9, -}; - - -//split every triangle in LLVertexBuffer into even fourths (assumes index triangle lists) -void subdivide(LLVertexBuffer& in, LLVertexBuffer* ret) -{ - S32 tri_in = in.getNumIndices()/3; - - ret->allocateBuffer(tri_in*4*3, tri_in*4*3, TRUE); - - LLStrider<LLVector3> vin, vout; - LLStrider<U16> indin, indout; - - ret->getVertexStrider(vout); - in.getVertexStrider(vin); - - ret->getIndexStrider(indout); - in.getIndexStrider(indin); - - - for (S32 i = 0; i < tri_in; i++) - { - LLVector3 v0 = vin[*indin++]; - LLVector3 v1 = vin[*indin++]; - LLVector3 v2 = vin[*indin++]; - - LLVector3 v3 = (v0 + v1) * 0.5f; - LLVector3 v4 = (v1 + v2) * 0.5f; - LLVector3 v5 = (v2 + v0) * 0.5f; - - *vout++ = v0; - *vout++ = v3; - *vout++ = v5; - - *vout++ = v3; - *vout++ = v4; - *vout++ = v5; - - *vout++ = v3; - *vout++ = v1; - *vout++ = v4; - - *vout++ = v5; - *vout++ = v4; - *vout++ = v2; - } - - for (S32 i = 0; i < ret->getNumIndices(); i++) - { - *indout++ = i; - } - -} - -void chop(LLVertexBuffer& in, LLVertexBuffer* out) -{ - //chop off all triangles below horizon - F32 d = LLWLParamManager::sParamMgr->getDomeOffset() * LLWLParamManager::sParamMgr->getDomeRadius(); - - std::vector<LLVector3> vert; - - LLStrider<LLVector3> vin; - LLStrider<U16> index; - - in.getVertexStrider(vin); - in.getIndexStrider(index); - - U32 tri_count = in.getNumIndices()/3; - for (U32 i = 0; i < tri_count; i++) - { - LLVector3 &v1 = vin[index[i*3+0]]; - LLVector3 &v2 = vin[index[i*3+1]]; - LLVector3 &v3 = vin[index[i*3+2]]; - - if (v1.mV[1] > d || - v2.mV[1] > d || - v3.mV[1] > d) - { - v1.mV[1] = llmax(v1.mV[1], d); - v2.mV[1] = llmax(v1.mV[1], d); - v3.mV[1] = llmax(v1.mV[1], d); - - vert.push_back(v1); - vert.push_back(v2); - vert.push_back(v3); - } - } - - out->allocateBuffer(vert.size(), vert.size(), TRUE); - - LLStrider<LLVector3> vout; - out->getVertexStrider(vout); - out->getIndexStrider(index); - - for (U32 i = 0; i < vert.size(); i++) - { - *vout++ = vert[i]; - *index++ = i; - } -} -#endif // !DOME_SLICES - void LLVOWLSky::resetVertexBuffers() { - mFanVerts = NULL; mStripsVerts.clear(); - mStarsVerts = NULL; + mStarsVerts = nullptr; + mFsSkyVerts = nullptr; gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_ALL, TRUE); } void LLVOWLSky::cleanupGL() { - mFanVerts = NULL; mStripsVerts.clear(); - mStarsVerts = NULL; + mStarsVerts = nullptr; + mFsSkyVerts = nullptr; LLDrawPoolWLSky::cleanupGL(); } @@ -305,38 +145,51 @@ static LLTrace::BlockTimerStatHandle FTM_GEO_SKY("Windlight Sky Geometry"); BOOL LLVOWLSky::updateGeometry(LLDrawable * drawable) { - LL_RECORD_BLOCK_TIME(FTM_GEO_SKY); + LL_RECORD_BLOCK_TIME(FTM_GEO_SKY); LLStrider<LLVector3> vertices; LLStrider<LLVector2> texCoords; LLStrider<U16> indices; -#if DOME_SLICES - { - mFanVerts = new LLVertexBuffer(LLDrawPoolWLSky::SKY_VERTEX_DATA_MASK, GL_STATIC_DRAW_ARB); - if (!mFanVerts->allocateBuffer(getFanNumVerts(), getFanNumIndices(), TRUE)) + if (mFsSkyVerts.isNull()) + { + mFsSkyVerts = new LLVertexBuffer(LLDrawPoolWLSky::ADV_ATMO_SKY_VERTEX_DATA_MASK, GL_STATIC_DRAW_ARB); + + if (!mFsSkyVerts->allocateBuffer(4, 6, TRUE)) { - LL_WARNS() << "Failed to allocate Vertex Buffer on sky update to " - << getFanNumVerts() << " vertices and " - << getFanNumIndices() << " indices" << LL_ENDL; + LL_WARNS() << "Failed to allocate Vertex Buffer on full screen sky update" << LL_ENDL; } - BOOL success = mFanVerts->getVertexStrider(vertices) - && mFanVerts->getTexCoord0Strider(texCoords) - && mFanVerts->getIndexStrider(indices); + BOOL success = mFsSkyVerts->getVertexStrider(vertices) + && mFsSkyVerts->getTexCoord0Strider(texCoords) + && mFsSkyVerts->getIndexStrider(indices); if(!success) { - LL_ERRS() << "Failed updating WindLight sky geometry." << LL_ENDL; + LL_ERRS() << "Failed updating WindLight fullscreen sky geometry." << LL_ENDL; } - buildFanBuffer(vertices, texCoords, indices); + *vertices++ = LLVector3(-1.0f, -1.0f, 0.0f); + *vertices++ = LLVector3( 1.0f, -1.0f, 0.0f); + *vertices++ = LLVector3(-1.0f, 1.0f, 0.0f); + *vertices++ = LLVector3( 1.0f, 1.0f, 0.0f); - mFanVerts->flush(); - } + *texCoords++ = LLVector2(0.0f, 0.0f); + *texCoords++ = LLVector2(1.0f, 0.0f); + *texCoords++ = LLVector2(0.0f, 1.0f); + *texCoords++ = LLVector2(1.0f, 1.0f); + + *indices++ = 0; + *indices++ = 1; + *indices++ = 2; + *indices++ = 1; + *indices++ = 3; + *indices++ = 2; + + mFsSkyVerts->flush(); + } { - LLCachedControl<S32> max_vbo_size(gSavedSettings, "RenderMaxVBOSize", 512); - const U32 max_buffer_bytes = max_vbo_size * 1024; + const U32 max_buffer_bytes = gSavedSettings.getS32("RenderMaxVBOSize")*1024; const U32 data_mask = LLDrawPoolWLSky::SKY_VERTEX_DATA_MASK; const U32 max_verts = max_buffer_bytes / LLVertexBuffer::calcVertexSize(data_mask); @@ -398,8 +251,11 @@ BOOL LLVOWLSky::updateGeometry(LLDrawable * drawable) LL_ERRS() << "Failed updating WindLight sky geometry." << LL_ENDL; } + U32 vertex_count = 0; + U32 index_count = 0; + // fill it - buildStripsBuffer(begin_stack, end_stack, vertices, texCoords, indices); + buildStripsBuffer(begin_stack, end_stack, vertex_count, index_count, vertices, texCoords, indices); // and unlock the buffer segment->flush(); @@ -407,85 +263,6 @@ BOOL LLVOWLSky::updateGeometry(LLDrawable * drawable) LL_INFOS() << "completed in " << llformat("%.2f", timer.getElapsedTimeF32().value()) << "seconds" << LL_ENDL; } -#else - mStripsVerts = new LLVertexBuffer(LLDrawPoolWLSky::SKY_VERTEX_DATA_MASK, GL_STATIC_DRAW_ARB); - - const F32 RADIUS = LLWLParamManager::sParamMgr->getDomeRadius(); - - LLPointer<LLVertexBuffer> temp = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX, 0); - temp->allocateBuffer(12, 60, TRUE); - - BOOL success = temp->getVertexStrider(vertices) - && temp->getIndexStrider(indices); - - if (success) - { - for (U32 i = 0; i < 12; i++) - { - *vertices++ = icosahedron_vert[i]; - } - - for (U32 i = 0; i < 60; i++) - { - *indices++ = icosahedron_ind[i]; - } - } - - - LLPointer<LLVertexBuffer> temp2; - - for (U32 i = 0; i < 8; i++) - { - temp2 = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX, 0); - subdivide(*temp, temp2); - temp = temp2; - } - - temp->getVertexStrider(vertices); - for (S32 i = 0; i < temp->getNumVerts(); i++) - { - LLVector3 v = vertices[i]; - v.normVec(); - vertices[i] = v*RADIUS; - } - - temp2 = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX, 0); - chop(*temp, temp2); - - mStripsVerts->allocateBuffer(temp2->getNumVerts(), temp2->getNumIndices(), TRUE); - - success = mStripsVerts->getVertexStrider(vertices) - && mStripsVerts->getTexCoordStrider(texCoords) - && mStripsVerts->getIndexStrider(indices); - - LLStrider<LLVector3> v; - temp2->getVertexStrider(v); - LLStrider<U16> ind; - temp2->getIndexStrider(ind); - - if (success) - { - for (S32 i = 0; i < temp2->getNumVerts(); ++i) - { - LLVector3 vert = *v++; - vert.normVec(); - F32 z0 = vert.mV[2]; - F32 x0 = vert.mV[0]; - - vert *= RADIUS; - - *vertices++ = vert; - *texCoords++ = LLVector2((-z0 + 1.f) / 2.f, (-x0 + 1.f) / 2.f); - } - - for (S32 i = 0; i < temp2->getNumIndices(); ++i) - { - *indices++ = *ind++; - } - } - - mStripsVerts->flush(); -#endif updateStarColors(); updateStarGeometry(drawable); @@ -505,6 +282,21 @@ void LLVOWLSky::drawStars(void) } } +void LLVOWLSky::drawFsSky(void) +{ + if (mFsSkyVerts.isNull()) + { + updateGeometry(mDrawable); + } + + LLGLDisable disable_blend(GL_BLEND); + + mFsSkyVerts->setBuffer(LLDrawPoolWLSky::ADV_ATMO_SKY_VERTEX_DATA_MASK); + mFsSkyVerts->drawRange(LLRender::TRIANGLES, 0, mFsSkyVerts->getNumVerts() - 1, mFsSkyVerts->getNumIndices(), 0); + gPipeline.addTrianglesDrawn(mFsSkyVerts->getNumIndices(), LLRender::TRIANGLES); + LLVertexBuffer::unbind(); +} + void LLVOWLSky::drawDome(void) { if (mStripsVerts.empty()) @@ -516,7 +308,6 @@ void LLVOWLSky::drawDome(void) const U32 data_mask = LLDrawPoolWLSky::SKY_VERTEX_DATA_MASK; -#if DOME_SLICES std::vector< LLPointer<LLVertexBuffer> >::const_iterator strips_vbo_iter, end_strips; end_strips = mStripsVerts.end(); for(strips_vbo_iter = mStripsVerts.begin(); strips_vbo_iter != end_strips; ++strips_vbo_iter) @@ -532,21 +323,13 @@ void LLVOWLSky::drawDome(void) gPipeline.addTrianglesDrawn(strips_segment->getNumIndices(), LLRender::TRIANGLE_STRIP); } -#else - mStripsVerts->setBuffer(data_mask); - gGL.syncMatrices(); - glDrawRangeElements( - GL_TRIANGLES, - 0, mStripsVerts->getNumVerts()-1, mStripsVerts->getNumIndices(), - GL_UNSIGNED_SHORT, - mStripsVerts->getIndicesPointer()); -#endif - LLVertexBuffer::unbind(); } void LLVOWLSky::initStars() { + const F32 DISTANCE_TO_STARS = LLEnvironment::instance().getCurrentSky()->getDomeRadius(); + // Initialize star map mStarVertices.resize(getStarsNumVerts()); mStarColors.resize(getStarsNumVerts()); @@ -581,72 +364,15 @@ void LLVOWLSky::initStars() } } -void LLVOWLSky::buildFanBuffer(LLStrider<LLVector3> & vertices, - LLStrider<LLVector2> & texCoords, - LLStrider<U16> & indices) -{ - const F32 RADIUS = LLWLParamManager::getInstance()->getDomeRadius(); - - U32 i, num_slices; - F32 phi0, theta, x0, y0, z0; - - // paranoia checking for SL-55986/SL-55833 - U32 count_verts = 0; - U32 count_indices = 0; - - // apex - *vertices++ = LLVector3(0.f, RADIUS, 0.f); - *texCoords++ = LLVector2(0.5f, 0.5f); - ++count_verts; - - num_slices = getNumSlices(); - - // and fan in a circle around the apex - phi0 = calcPhi(1); - for(i = 0; i < num_slices; ++i) { - theta = 2.f * F_PI * float(i) / float(num_slices); - - // standard transformation from spherical to - // rectangular coordinates - x0 = sin(phi0) * cos(theta); - y0 = cos(phi0); - z0 = sin(phi0) * sin(theta); - - *vertices++ = LLVector3(x0 * RADIUS, y0 * RADIUS, z0 * RADIUS); - // generate planar uv coordinates - // note: x and z are transposed in order for things to animate - // correctly in the global coordinate system where +x is east and - // +y is north - *texCoords++ = LLVector2((-z0 + 1.f) / 2.f, (-x0 + 1.f) / 2.f); - ++count_verts; - - if (i > 0) - { - *indices++ = 0; - *indices++ = i; - *indices++ = i+1; - count_indices += 3; - } - } - - // the last vertex of the last triangle should wrap around to - // the beginning - *indices++ = 0; - *indices++ = num_slices; - *indices++ = 1; - count_indices += 3; - - // paranoia checking for SL-55986/SL-55833 - llassert(getFanNumVerts() == count_verts); - llassert(getFanNumIndices() == count_indices); -} - -void LLVOWLSky::buildStripsBuffer(U32 begin_stack, U32 end_stack, +void LLVOWLSky::buildStripsBuffer(U32 begin_stack, + U32 end_stack, + U32& vertex_count, + U32& index_count, LLStrider<LLVector3> & vertices, LLStrider<LLVector2> & texCoords, LLStrider<U16> & indices) { - const F32 RADIUS = LLWLParamManager::getInstance()->getDomeRadius(); + const F32 RADIUS = LLEnvironment::instance().getCurrentSky()->getDomeRadius(); U32 i, j, num_slices, num_stacks; F32 phi0, theta, x0, y0, z0; @@ -661,7 +387,11 @@ void LLVOWLSky::buildStripsBuffer(U32 begin_stack, U32 end_stack, llassert(end_stack <= num_stacks); // stacks are iterated one-indexed since phi(0) was handled by the fan above - for(i = begin_stack + 1; i <= end_stack+1; ++i) +#if NEW_TESS + for(i = begin_stack; i <= end_stack; ++i) +#else + for(i = begin_stack + 1; i <= end_stack+1; ++i) +#endif { phi0 = calcPhi(i); @@ -675,7 +405,10 @@ void LLVOWLSky::buildStripsBuffer(U32 begin_stack, U32 end_stack, y0 = cos(phi0); z0 = sin(phi0) * sin(theta); - if (i == num_stacks-2) +#if NEW_TESS + *vertices++ = LLVector3(x0 * RADIUS, y0 * RADIUS, z0 * RADIUS); +#else + if (i == num_stacks-2) { *vertices++ = LLVector3(x0*RADIUS, y0*RADIUS-1024.f*2.f, z0*RADIUS); } @@ -687,6 +420,8 @@ void LLVOWLSky::buildStripsBuffer(U32 begin_stack, U32 end_stack, { *vertices++ = LLVector3(x0 * RADIUS, y0 * RADIUS, z0 * RADIUS); } +#endif + ++count_verts; // generate planar uv coordinates @@ -725,6 +460,9 @@ void LLVOWLSky::buildStripsBuffer(U32 begin_stack, U32 end_stack, *indices++ = i * num_slices + k ; count_indices++ ; } + + vertex_count = count_verts; + index_count = count_indices; } void LLVOWLSky::updateStarColors() @@ -819,7 +557,7 @@ BOOL LLVOWLSky::updateStarGeometry(LLDrawable *drawable) LLVector3 left = at%LLVector3(0,0,1); LLVector3 up = at%left; - F32 sc = 0.5f+ll_frand()*1.25f; + F32 sc = 16.0f + (ll_frand() * 20.0f); left *= sc; up *= sc; |