diff options
Diffstat (limited to 'indra/llrender/llvertexbuffer.cpp')
| -rw-r--r-- | indra/llrender/llvertexbuffer.cpp | 159 |
1 files changed, 131 insertions, 28 deletions
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp index 8b5503229f..a5e2342367 100644 --- a/indra/llrender/llvertexbuffer.cpp +++ b/indra/llrender/llvertexbuffer.cpp @@ -38,6 +38,8 @@ #include "llglslshader.h" #include "llmemory.h" +#define LL_VBO_POOLING 0 + //Next Highest Power Of Two //helper function, returns first number > v that is a power of 2, or v if v is already a power of 2 U32 nhpo2(U32 v) @@ -49,6 +51,35 @@ U32 nhpo2(U32 v) return r; } +//which power of 2 is i? +//assumes i is a power of 2 > 0 +U32 wpo2(U32 i) +{ + llassert(i > 0); + llassert(nhpo2(i) == i); + + U32 r = 0; + + while (i >>= 1) ++r; + + return r; +} + + +const U32 LL_VBO_BLOCK_SIZE = 2048; + +U32 vbo_block_size(U32 size) +{ //what block size will fit size? + U32 mod = size % LL_VBO_BLOCK_SIZE; + return mod == 0 ? size : size + (LL_VBO_BLOCK_SIZE-mod); +} + +U32 vbo_block_index(U32 size) +{ + return vbo_block_size(size)/LL_VBO_BLOCK_SIZE; +} + + //============================================================================ @@ -57,7 +88,11 @@ LLVBOPool LLVertexBuffer::sStreamVBOPool(GL_STREAM_DRAW_ARB, GL_ARRAY_BUFFER_ARB LLVBOPool LLVertexBuffer::sDynamicVBOPool(GL_DYNAMIC_DRAW_ARB, GL_ARRAY_BUFFER_ARB); LLVBOPool LLVertexBuffer::sStreamIBOPool(GL_STREAM_DRAW_ARB, GL_ELEMENT_ARRAY_BUFFER_ARB); LLVBOPool LLVertexBuffer::sDynamicIBOPool(GL_DYNAMIC_DRAW_ARB, GL_ELEMENT_ARRAY_BUFFER_ARB); + U32 LLVBOPool::sBytesPooled = 0; +U32 LLVBOPool::sIndexBytesPooled = 0; +U32 LLVertexBuffer::sAllocatedIndexBytes = 0; +U32 LLVertexBuffer::sIndexCount = 0; LLPrivateMemoryPool* LLVertexBuffer::sPrivatePoolp = NULL; U32 LLVertexBuffer::sBindCount = 0; @@ -74,6 +109,7 @@ U32 LLVertexBuffer::sLastMask = 0; bool LLVertexBuffer::sVBOActive = false; bool LLVertexBuffer::sIBOActive = false; U32 LLVertexBuffer::sAllocatedBytes = 0; +U32 LLVertexBuffer::sVertexCount = 0; bool LLVertexBuffer::sMapped = false; bool LLVertexBuffer::sUseStreamDraw = true; bool LLVertexBuffer::sUseVAO = false; @@ -134,39 +170,35 @@ public: }; -//which power of 2 is i? -//assumes i is a power of 2 > 0 -U32 wpo2(U32 i) -{ - llassert(i > 0); - llassert(nhpo2(i) == i); - - U32 r = 0; - - while (i >>= 1) ++r; - - return r; -} - volatile U8* LLVBOPool::allocate(U32& name, U32 size) { - llassert(nhpo2(size) == size); + llassert(vbo_block_size(size) == size); + + volatile U8* ret = NULL; + +#if LL_VBO_POOLING - U32 i = wpo2(size); + U32 i = vbo_block_index(size); if (mFreeList.size() <= i) { mFreeList.resize(i+1); } - volatile U8* ret = NULL; - if (mFreeList[i].empty()) { //make a new buffer glGenBuffersARB(1, &name); glBindBufferARB(mType, name); - LLVertexBuffer::sAllocatedBytes += size; + + if (mType == GL_ARRAY_BUFFER_ARB) + { + LLVertexBuffer::sAllocatedBytes += size; + } + else + { + LLVertexBuffer::sAllocatedIndexBytes += size; + } if (LLVertexBuffer::sDisableVBOMapping || mUsage != GL_DYNAMIC_DRAW_ARB) { @@ -185,19 +217,55 @@ volatile U8* LLVBOPool::allocate(U32& name, U32 size) name = mFreeList[i].front().mGLName; ret = mFreeList[i].front().mClientData; - sBytesPooled -= size; + if (mType == GL_ARRAY_BUFFER_ARB) + { + sBytesPooled -= size; + } + else + { + sIndexBytesPooled -= size; + } mFreeList[i].pop_front(); } +#else //no pooling + + glGenBuffersARB(1, &name); + glBindBufferARB(mType, name); + + if (mType == GL_ARRAY_BUFFER_ARB) + { + LLVertexBuffer::sAllocatedBytes += size; + } + else + { + LLVertexBuffer::sAllocatedIndexBytes += size; + } + + if (LLVertexBuffer::sDisableVBOMapping || mUsage != GL_DYNAMIC_DRAW_ARB) + { + glBufferDataARB(mType, size, 0, mUsage); + ret = (U8*) ll_aligned_malloc_16(size); + } + else + { //always use a true hint of static draw when allocating non-client-backed buffers + glBufferDataARB(mType, size, 0, GL_STATIC_DRAW_ARB); + } + + glBindBufferARB(mType, 0); + +#endif return ret; } void LLVBOPool::release(U32 name, volatile U8* buffer, U32 size) { - llassert(nhpo2(size) == size); + llassert(vbo_block_size(size) == size); - U32 i = wpo2(size); +#if LL_VBO_POOLING + + U32 i = vbo_block_index(size); llassert(mFreeList.size() > i); @@ -211,9 +279,29 @@ void LLVBOPool::release(U32 name, volatile U8* buffer, U32 size) } else { - sBytesPooled += size; + if (mType == GL_ARRAY_BUFFER_ARB) + { + sBytesPooled += size; + } + else + { + sIndexBytesPooled += size; + } mFreeList[i].push_back(rec); } +#else //no pooling + glDeleteBuffersARB(1, &name); + ll_aligned_free_16((U8*) buffer); + + if (mType == GL_ARRAY_BUFFER_ARB) + { + LLVertexBuffer::sAllocatedBytes -= size; + } + else + { + LLVertexBuffer::sAllocatedIndexBytes -= size; + } +#endif } void LLVBOPool::cleanup() @@ -237,8 +325,16 @@ void LLVBOPool::cleanup() l.pop_front(); - LLVertexBuffer::sAllocatedBytes -= size; - sBytesPooled -= size; + if (mType == GL_ARRAY_BUFFER_ARB) + { + sBytesPooled -= size; + LLVertexBuffer::sAllocatedBytes -= size; + } + else + { + sIndexBytesPooled -= size; + LLVertexBuffer::sAllocatedIndexBytes -= size; + } } size *= 2; @@ -261,7 +357,7 @@ S32 LLVertexBuffer::sTypeSize[LLVertexBuffer::TYPE_MAX] = sizeof(F32), // TYPE_WEIGHT, sizeof(LLVector4), // TYPE_WEIGHT4, sizeof(LLVector4), // TYPE_CLOTHWEIGHT, - sizeof(LLVector4), // TYPE_TEXTURE_INDEX (actually exists as position.w), no extra data, but stride is 16 bytes + sizeof(U32), // TYPE_TEXTURE_INDEX (actually exists as position.w), no extra data, but stride is 16 bytes }; U32 LLVertexBuffer::sGLMode[LLRender::NUM_MODES] = @@ -898,6 +994,9 @@ LLVertexBuffer::~LLVertexBuffer() mFence = NULL; + sVertexCount -= mNumVerts; + sIndexCount -= mNumIndices; + llassert_always(!mMappedData && !mMappedIndexData); }; @@ -929,7 +1028,7 @@ void LLVertexBuffer::waitFence() const void LLVertexBuffer::genBuffer(U32 size) { - mSize = nhpo2(size); + mSize = vbo_block_size(size); if (mUsage == GL_STREAM_DRAW_ARB) { @@ -945,7 +1044,7 @@ void LLVertexBuffer::genBuffer(U32 size) void LLVertexBuffer::genIndices(U32 size) { - mIndicesSize = nhpo2(size); + mIndicesSize = vbo_block_size(size); if (mUsage == GL_STREAM_DRAW_ARB) { @@ -1121,7 +1220,9 @@ void LLVertexBuffer::updateNumVerts(S32 nverts) createGLBuffer(needed_size); } + sVertexCount -= mNumVerts; mNumVerts = nverts; + sVertexCount += mNumVerts; } void LLVertexBuffer::updateNumIndices(S32 nindices) @@ -1137,7 +1238,9 @@ void LLVertexBuffer::updateNumIndices(S32 nindices) createGLIndices(needed_size); } + sIndexCount -= mNumIndices; mNumIndices = nindices; + sIndexCount += mNumIndices; } void LLVertexBuffer::allocateBuffer(S32 nverts, S32 nindices, bool create) |