diff options
Diffstat (limited to 'indra/llrender/llrendersphere.cpp')
| -rw-r--r-- | indra/llrender/llrendersphere.cpp | 62 |
1 files changed, 50 insertions, 12 deletions
diff --git a/indra/llrender/llrendersphere.cpp b/indra/llrender/llrendersphere.cpp index 9570180554..cd8ef7d68e 100644 --- a/indra/llrender/llrendersphere.cpp +++ b/indra/llrender/llrendersphere.cpp @@ -34,6 +34,8 @@ #include "llerror.h" #include "llglheaders.h" +#include "llvertexbuffer.h" +#include "llglslshader.h" LLRenderSphere gSphere; @@ -53,12 +55,20 @@ inline LLVector3 polar_to_cart(F32 latitude, F32 longitude) void LLRenderSphere::renderGGL() { + LL_PROFILE_ZONE_SCOPED; S32 const LATITUDE_SLICES = 20; S32 const LONGITUDE_SLICES = 30; - if (mSpherePoints.empty()) + if (mVertexBuffer.isNull()) { mSpherePoints.resize(LATITUDE_SLICES + 1); + mVertexBuffer = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX); + + mVertexBuffer->allocateBuffer((U32)(LATITUDE_SLICES + 1) * (LONGITUDE_SLICES + 1), LATITUDE_SLICES * LONGITUDE_SLICES * 6); + + LLStrider<LLVector3> v; + mVertexBuffer->getVertexStrider(v); + for (S32 lat_i = 0; lat_i < LATITUDE_SLICES + 1; lat_i++) { mSpherePoints[lat_i].resize(LONGITUDE_SLICES + 1); @@ -68,24 +78,52 @@ void LLRenderSphere::renderGGL() F32 lon = (F32)lon_i / LONGITUDE_SLICES; mSpherePoints[lat_i][lon_i] = polar_to_cart(lat, lon); + v[lat_i * (LONGITUDE_SLICES + 1) + lon_i] = mSpherePoints[lat_i][lon_i]; } } + + LLStrider<U16> i; + mVertexBuffer->getIndexStrider(i); + + for (S32 lat_i = 0; lat_i < LATITUDE_SLICES; lat_i++) + { + for (S32 lon_i = 0; lon_i < LONGITUDE_SLICES; lon_i++) + { + i[(lat_i * LONGITUDE_SLICES + lon_i) * 6 + 0] = lat_i * (LONGITUDE_SLICES + 1) + lon_i; + i[(lat_i * LONGITUDE_SLICES + lon_i) * 6 + 1] = lat_i * (LONGITUDE_SLICES + 1) + lon_i + 1; + i[(lat_i * LONGITUDE_SLICES + lon_i) * 6 + 2] = (lat_i + 1) * (LONGITUDE_SLICES + 1) + lon_i; + + i[(lat_i * LONGITUDE_SLICES + lon_i) * 6 + 3] = (lat_i + 1) * (LONGITUDE_SLICES + 1) + lon_i; + i[(lat_i * LONGITUDE_SLICES + lon_i) * 6 + 4] = lat_i * (LONGITUDE_SLICES + 1) + lon_i + 1; + i[(lat_i * LONGITUDE_SLICES + lon_i) * 6 + 5] = (lat_i + 1) * (LONGITUDE_SLICES + 1) + lon_i + 1; + } + } + + mVertexBuffer->unmapBuffer(); } - gGL.begin(LLRender::TRIANGLES); - for (S32 lat_i = 0; lat_i < LATITUDE_SLICES; lat_i++) - { - for (S32 lon_i = 0; lon_i < LONGITUDE_SLICES; lon_i++) + if (LLGLSLShader::sCurBoundShaderPtr->mAttributeMask == LLVertexBuffer::MAP_VERTEX) + { // shader expects only vertex positions in vertex buffer, use fast path + mVertexBuffer->setBuffer(); + mVertexBuffer->drawRange(LLRender::TRIANGLES, 0, mVertexBuffer->getNumVerts(), mVertexBuffer->getNumIndices(), 0); + } + else + { //shader wants colors in the vertex stream, use slow path + gGL.begin(LLRender::TRIANGLES); + for (S32 lat_i = 0; lat_i < LATITUDE_SLICES; lat_i++) { - gGL.vertex3fv(mSpherePoints[lat_i][lon_i].mV); - gGL.vertex3fv(mSpherePoints[lat_i][lon_i+1].mV); - gGL.vertex3fv(mSpherePoints[lat_i+1][lon_i].mV); + for (S32 lon_i = 0; lon_i < LONGITUDE_SLICES; lon_i++) + { + gGL.vertex3fv(mSpherePoints[lat_i][lon_i].mV); + gGL.vertex3fv(mSpherePoints[lat_i][lon_i + 1].mV); + gGL.vertex3fv(mSpherePoints[lat_i + 1][lon_i].mV); - gGL.vertex3fv(mSpherePoints[lat_i+1][lon_i].mV); - gGL.vertex3fv(mSpherePoints[lat_i][lon_i+1].mV); - gGL.vertex3fv(mSpherePoints[lat_i+1][lon_i+1].mV); + gGL.vertex3fv(mSpherePoints[lat_i + 1][lon_i].mV); + gGL.vertex3fv(mSpherePoints[lat_i][lon_i + 1].mV); + gGL.vertex3fv(mSpherePoints[lat_i + 1][lon_i + 1].mV); + } } + gGL.end(); } - gGL.end(); } |