diff options
Diffstat (limited to 'indra/llrender/llvertexbuffer.cpp')
| -rw-r--r-- | indra/llrender/llvertexbuffer.cpp | 215 |
1 files changed, 179 insertions, 36 deletions
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp index e4a5cd0299..1b179bdbb1 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); + +#if LL_VBO_POOLING - U32 i = wpo2(size); + 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; @@ -284,6 +380,12 @@ void LLVertexBuffer::setupClientArrays(U32 data_mask) { bool error = false; + if (gGLManager.mGLSLVersionMajor < 2 && gGLManager.mGLSLVersionMinor < 30) + { + //make sure texture index is disabled + data_mask = data_mask & ~MAP_TEXTURE_INDEX; + } + if (LLGLSLShader::sNoFixedFunction) { for (U32 i = 0; i < TYPE_MAX; ++i) @@ -892,6 +994,9 @@ LLVertexBuffer::~LLVertexBuffer() mFence = NULL; + sVertexCount -= mNumVerts; + sIndexCount -= mNumIndices; + llassert_always(!mMappedData && !mMappedIndexData); }; @@ -923,7 +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) { @@ -939,7 +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) { @@ -1102,10 +1207,10 @@ void LLVertexBuffer::updateNumVerts(S32 nverts) llassert(nverts >= 0); - if (nverts >= 65535) + if (nverts > 65536) { llwarns << "Vertex buffer overflow!" << llendl; - nverts = 65535; + nverts = 65536; } U32 needed_size = calcOffsets(mTypeMask, mOffsets, nverts); @@ -1115,7 +1220,9 @@ void LLVertexBuffer::updateNumVerts(S32 nverts) createGLBuffer(needed_size); } + sVertexCount -= mNumVerts; mNumVerts = nverts; + sVertexCount += mNumVerts; } void LLVertexBuffer::updateNumIndices(S32 nindices) @@ -1131,7 +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) @@ -1193,7 +1302,7 @@ void LLVertexBuffer::setupVertexArray() 1, //TYPE_WEIGHT, 4, //TYPE_WEIGHT4, 4, //TYPE_CLOTHWEIGHT, - 1, //TYPE_TEXTURE_INDEX + 4, //TYPE_TEXTURE_INDEX }; U32 attrib_type[] = @@ -1210,7 +1319,24 @@ void LLVertexBuffer::setupVertexArray() GL_FLOAT, //TYPE_WEIGHT, GL_FLOAT, //TYPE_WEIGHT4, GL_FLOAT, //TYPE_CLOTHWEIGHT, - GL_FLOAT, //TYPE_TEXTURE_INDEX + GL_UNSIGNED_BYTE, //TYPE_TEXTURE_INDEX + }; + + bool attrib_integer[] = + { + false, //TYPE_VERTEX, + false, //TYPE_NORMAL, + false, //TYPE_TEXCOORD0, + false, //TYPE_TEXCOORD1, + false, //TYPE_TEXCOORD2, + false, //TYPE_TEXCOORD3, + false, //TYPE_COLOR, + false, //TYPE_EMISSIVE, + false, //TYPE_BINORMAL, + false, //TYPE_WEIGHT, + false, //TYPE_WEIGHT4, + false, //TYPE_CLOTHWEIGHT, + true, //TYPE_TEXTURE_INDEX }; U32 attrib_normalized[] = @@ -1238,7 +1364,21 @@ void LLVertexBuffer::setupVertexArray() if (mTypeMask & (1 << i)) { glEnableVertexAttribArrayARB(i); - glVertexAttribPointerARB(i, attrib_size[i], attrib_type[i], attrib_normalized[i], sTypeSize[i], (void*) mOffsets[i]); + + if (attrib_integer[i]) + { +#if !LL_DARWIN + //glVertexattribIPointer requires GLSL 1.30 or later + if (gGLManager.mGLSLVersionMajor > 1 || gGLManager.mGLSLVersionMinor >= 30) + { + glVertexAttribIPointer(i, attrib_size[i], attrib_type[i], sTypeSize[i], (void*) mOffsets[i]); + } +#endif + } + else + { + glVertexAttribPointerARB(i, attrib_size[i], attrib_type[i], attrib_normalized[i], sTypeSize[i], (void*) mOffsets[i]); + } } else { @@ -2147,10 +2287,10 @@ void LLVertexBuffer::setupVertexBuffer(U32 data_mask) stop_glerror(); volatile U8* base = useVBOs() ? (U8*) mAlignedOffset : mMappedData; - /*if ((data_mask & mTypeMask) != data_mask) + if (gDebugGL && ((data_mask & mTypeMask) != data_mask)) { llerrs << "LLVertexBuffer::setupVertexBuffer missing required components for supplied data mask." << llendl; - }*/ + } if (LLGLSLShader::sNoFixedFunction) { @@ -2220,11 +2360,14 @@ void LLVertexBuffer::setupVertexBuffer(U32 data_mask) void* ptr = (void*)(base + mOffsets[TYPE_CLOTHWEIGHT]); glVertexAttribPointerARB(loc, 4, GL_FLOAT, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_CLOTHWEIGHT], ptr); } - if (data_mask & MAP_TEXTURE_INDEX) + if (data_mask & MAP_TEXTURE_INDEX && + (gGLManager.mGLSLVersionMajor >= 2 || gGLManager.mGLSLVersionMinor >= 30)) //indexed texture rendering requires GLSL 1.30 or later { +#if !LL_DARWIN S32 loc = TYPE_TEXTURE_INDEX; void *ptr = (void*) (base + mOffsets[TYPE_VERTEX] + 12); - glVertexAttribPointerARB(loc, 1, GL_FLOAT, GL_FALSE, LLVertexBuffer::sTypeSize[TYPE_VERTEX], ptr); + glVertexAttribIPointer(loc, 4, GL_UNSIGNED_BYTE, LLVertexBuffer::sTypeSize[TYPE_VERTEX], ptr); +#endif } if (data_mask & MAP_VERTEX) { |