diff options
Diffstat (limited to 'indra/llrender/llvertexbuffer.cpp')
| -rw-r--r-- | indra/llrender/llvertexbuffer.cpp | 101 |
1 files changed, 95 insertions, 6 deletions
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp index 19269c2a31..03befe6818 100644 --- a/indra/llrender/llvertexbuffer.cpp +++ b/indra/llrender/llvertexbuffer.cpp @@ -48,6 +48,7 @@ U32 LLVertexBuffer::sSetCount = 0; S32 LLVertexBuffer::sCount = 0; S32 LLVertexBuffer::sGLCount = 0; S32 LLVertexBuffer::sMappedCount = 0; +BOOL LLVertexBuffer::sDisableVBOMapping = FALSE ; BOOL LLVertexBuffer::sEnableVBOs = TRUE; U32 LLVertexBuffer::sGLRenderBuffer = 0; U32 LLVertexBuffer::sGLRenderIndices = 0; @@ -213,6 +214,11 @@ void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indi { llassert(mRequestedNumVerts >= 0); + if(mDirty) + { + postUpdate() ; + } + if (start >= (U32) mRequestedNumVerts || end >= (U32) mRequestedNumVerts) { @@ -252,6 +258,12 @@ void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indi void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const { llassert(mRequestedNumIndices >= 0); + + if(mDirty) + { + postUpdate() ; + } + if (indices_offset >= (U32) mRequestedNumIndices || indices_offset + count > (U32) mRequestedNumIndices) { @@ -283,6 +295,12 @@ void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const { llassert(mRequestedNumVerts >= 0); + + if(mDirty) + { + postUpdate() ; + } + if (first >= (U32) mRequestedNumVerts || first + count > (U32) mRequestedNumVerts) { @@ -306,9 +324,10 @@ void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const } //static -void LLVertexBuffer::initClass(bool use_vbo) +void LLVertexBuffer::initClass(bool use_vbo, bool no_vbo_mapping) { sEnableVBOs = use_vbo; + sDisableVBOMapping = no_vbo_mapping ; LLGLNamePool::registerPool(&sDynamicVBOPool); LLGLNamePool::registerPool(&sDynamicIBOPool); LLGLNamePool::registerPool(&sStreamVBOPool); @@ -370,7 +389,8 @@ LLVertexBuffer::LLVertexBuffer(U32 typemask, S32 usage) : mFilthy(FALSE), mEmpty(TRUE), mResized(FALSE), - mDynamicSize(FALSE) + mDynamicSize(FALSE), + mDirty(FALSE) { LLMemType mt2(LLMemType::MTYPE_VERTEX_CONSTRUCTOR); if (!sEnableVBOs) @@ -568,6 +588,8 @@ void LLVertexBuffer::destroyGLBuffer() { if (useVBOs()) { + freeClientBuffer() ; + if (mMappedData || mMappedIndexData) { llerrs << "Vertex buffer destroyed while mapped!" << llendl; @@ -595,11 +617,13 @@ void LLVertexBuffer::destroyGLIndices() { if (useVBOs()) { + freeClientBuffer() ; + if (mMappedData || mMappedIndexData) { llerrs << "Vertex buffer destroyed while mapped." << llendl; } - releaseIndices(); + releaseIndices(); } else { @@ -800,6 +824,7 @@ void LLVertexBuffer::resizeBuffer(S32 newnverts, S32 newnindices) if (mResized && useVBOs()) { + freeClientBuffer() ; setBuffer(0); } } @@ -823,6 +848,60 @@ BOOL LLVertexBuffer::useVBOs() const } //---------------------------------------------------------------------------- +void LLVertexBuffer::freeClientBuffer() +{ + if(useVBOs() && sDisableVBOMapping && (mMappedData || mMappedIndexData)) + { + delete[] mMappedData ; + delete[] mMappedIndexData ; + mMappedData = NULL ; + mMappedIndexData = NULL ; + } +} + +void LLVertexBuffer::preUpdate() +{ + if(!useVBOs() || !sDisableVBOMapping) + { + return ; + } + + if(!mMappedData) + { + U32 size = getSize() ; + mMappedData = new U8[size]; + memset(mMappedData, 0, size); + } + + if(!mMappedIndexData) + { + U32 size = getIndicesSize(); + mMappedIndexData = new U8[size]; + memset(mMappedIndexData, 0, size); + } + + mDirty = TRUE ; +} + +void LLVertexBuffer::postUpdate() const +{ + if(!useVBOs() || !sDisableVBOMapping) + { + return ; + } + + llassert_always(mMappedData && mMappedIndexData) ; + + //release the existing buffers + glBufferDataARB(GL_ARRAY_BUFFER_ARB, 0, NULL, mUsage); + glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, NULL, mUsage); + + //update to the new buffers + glBufferDataARB(GL_ARRAY_BUFFER_ARB, getSize(), mMappedData, mUsage); + glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, getIndicesSize(), mMappedIndexData, mUsage); + + mDirty = FALSE ; +} // Map for data access U8* LLVertexBuffer::mapBuffer(S32 access) @@ -837,6 +916,12 @@ U8* LLVertexBuffer::mapBuffer(S32 access) llerrs << "LLVertexBuffer::mapBuffer() called on unallocated buffer." << llendl; } + if(useVBOs() && sDisableVBOMapping) + { + preUpdate() ; + return mMappedData ; + } + if (!mLocked && useVBOs()) { { @@ -905,7 +990,11 @@ void LLVertexBuffer::unmapBuffer() LLMemType mt2(LLMemType::MTYPE_VERTEX_UNMAP_BUFFER); if (mMappedData || mMappedIndexData) { - if (useVBOs() && mLocked) + if(sDisableVBOMapping && useVBOs()) + { + return ; + } + else if (useVBOs() && mLocked) { stop_glerror(); glUnmapBufferARB(GL_ARRAY_BUFFER_ARB); @@ -1151,13 +1240,13 @@ void LLVertexBuffer::setBuffer(U32 data_mask) } } - if (mGLBuffer) + if (mGLBuffer && !sDisableVBOMapping) { stop_glerror(); glBufferDataARB(GL_ARRAY_BUFFER_ARB, getSize(), NULL, mUsage); stop_glerror(); } - if (mGLIndices) + if (mGLIndices && !sDisableVBOMapping) { stop_glerror(); glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, getIndicesSize(), NULL, mUsage); |