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|
/**
* @file llvertexbuffer.cpp
* @brief LLVertexBuffer implementation
*
* $LicenseInfo:firstyear=2003&license=viewergpl$
*
* Copyright (c) 2003-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "linden_common.h"
#include <boost/static_assert.hpp>
#include "llvertexbuffer.h"
// #include "llrender.h"
#include "llglheaders.h"
#include "llmemtype.h"
#include "llrender.h"
//============================================================================
//static
LLVBOPool LLVertexBuffer::sStreamVBOPool;
LLVBOPool LLVertexBuffer::sDynamicVBOPool;
LLVBOPool LLVertexBuffer::sStreamIBOPool;
LLVBOPool LLVertexBuffer::sDynamicIBOPool;
U32 LLVertexBuffer::sBindCount = 0;
U32 LLVertexBuffer::sSetCount = 0;
S32 LLVertexBuffer::sCount = 0;
S32 LLVertexBuffer::sGLCount = 0;
S32 LLVertexBuffer::sMappedCount = 0;
BOOL LLVertexBuffer::sEnableVBOs = TRUE;
U32 LLVertexBuffer::sGLRenderBuffer = 0;
U32 LLVertexBuffer::sGLRenderIndices = 0;
U32 LLVertexBuffer::sLastMask = 0;
BOOL LLVertexBuffer::sVBOActive = FALSE;
BOOL LLVertexBuffer::sIBOActive = FALSE;
U32 LLVertexBuffer::sAllocatedBytes = 0;
BOOL LLVertexBuffer::sMapped = FALSE;
std::vector<U32> LLVertexBuffer::sDeleteList;
S32 LLVertexBuffer::sTypeOffsets[LLVertexBuffer::TYPE_MAX] =
{
sizeof(LLVector3), // TYPE_VERTEX,
sizeof(LLVector3), // TYPE_NORMAL,
sizeof(LLVector2), // TYPE_TEXCOORD0,
sizeof(LLVector2), // TYPE_TEXCOORD1,
sizeof(LLVector2), // TYPE_TEXCOORD2,
sizeof(LLVector2), // TYPE_TEXCOORD3,
sizeof(LLColor4U), // TYPE_COLOR,
sizeof(LLVector3), // TYPE_BINORMAL,
sizeof(F32), // TYPE_WEIGHT,
sizeof(LLVector4), // TYPE_CLOTHWEIGHT,
};
U32 LLVertexBuffer::sGLMode[LLRender::NUM_MODES] =
{
GL_TRIANGLES,
GL_TRIANGLE_STRIP,
GL_TRIANGLE_FAN,
GL_POINTS,
GL_LINES,
GL_LINE_STRIP,
GL_QUADS,
GL_LINE_LOOP,
};
//static
void LLVertexBuffer::setupClientArrays(U32 data_mask)
{
/*if (LLGLImmediate::sStarted)
{
llerrs << "Cannot use LLGLImmediate and LLVertexBuffer simultaneously!" << llendl;
}*/
if (sLastMask != data_mask)
{
U32 mask[] =
{
MAP_VERTEX,
MAP_NORMAL,
MAP_TEXCOORD0,
MAP_COLOR,
};
GLenum array[] =
{
GL_VERTEX_ARRAY,
GL_NORMAL_ARRAY,
GL_TEXTURE_COORD_ARRAY,
GL_COLOR_ARRAY,
};
BOOL error = FALSE;
for (U32 i = 0; i < 4; ++i)
{
if (sLastMask & mask[i])
{ //was enabled
if (!(data_mask & mask[i]) && i > 0)
{ //needs to be disabled
glDisableClientState(array[i]);
}
else if (gDebugGL)
{ //needs to be enabled, make sure it was (DEBUG TEMPORARY)
if (i > 0 && !glIsEnabled(array[i]))
{
if (gDebugSession)
{
error = TRUE;
gFailLog << "Bad client state! " << array[i] << " disabled." << std::endl;
}
else
{
llerrs << "Bad client state! " << array[i] << " disabled." << llendl;
}
}
}
}
else
{ //was disabled
if (data_mask & mask[i])
{ //needs to be enabled
glEnableClientState(array[i]);
}
else if (gDebugGL && glIsEnabled(array[i]))
{ //needs to be disabled, make sure it was (DEBUG TEMPORARY)
if (gDebugSession)
{
error = TRUE;
gFailLog << "Bad client state! " << array[i] << " enabled." << std::endl;
}
else
{
llerrs << "Bad client state! " << array[i] << " enabled." << llendl;
}
}
}
}
if (error)
{
ll_fail("LLVertexBuffer::setupClientArrays failed");
}
U32 map_tc[] =
{
MAP_TEXCOORD1,
MAP_TEXCOORD2,
MAP_TEXCOORD3
};
for (U32 i = 0; i < 3; i++)
{
if (sLastMask & map_tc[i])
{
if (!(data_mask & map_tc[i]))
{
glClientActiveTextureARB(GL_TEXTURE1_ARB+i);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
}
}
else if (data_mask & map_tc[i])
{
glClientActiveTextureARB(GL_TEXTURE1_ARB+i);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
}
}
if (sLastMask & MAP_BINORMAL)
{
if (!(data_mask & MAP_BINORMAL))
{
glClientActiveTextureARB(GL_TEXTURE2_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
}
}
else if (data_mask & MAP_BINORMAL)
{
glClientActiveTextureARB(GL_TEXTURE2_ARB);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
}
sLastMask = data_mask;
}
}
void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indices_offset) const
{
if (start >= (U32) mRequestedNumVerts ||
end >= (U32) mRequestedNumVerts)
{
llerrs << "Bad vertex buffer draw range: [" << start << ", " << end << "]" << llendl;
}
if (indices_offset >= (U32) mRequestedNumIndices ||
indices_offset + count > (U32) mRequestedNumIndices)
{
llerrs << "Bad index buffer draw range: [" << indices_offset << ", " << indices_offset+count << "]" << llendl;
}
if (mGLIndices != sGLRenderIndices)
{
llerrs << "Wrong index buffer bound." << llendl;
}
if (mGLBuffer != sGLRenderBuffer)
{
llerrs << "Wrong vertex buffer bound." << llendl;
}
if (mode >= LLRender::NUM_MODES)
{
llerrs << "Invalid draw mode: " << mode << llendl;
return;
}
stop_glerror();
glDrawRangeElements(sGLMode[mode], start, end, count, GL_UNSIGNED_SHORT,
((U16*) getIndicesPointer()) + indices_offset);
stop_glerror();
}
void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const
{
if (indices_offset >= (U32) mRequestedNumIndices ||
indices_offset + count > (U32) mRequestedNumIndices)
{
llerrs << "Bad index buffer draw range: [" << indices_offset << ", " << indices_offset+count << "]" << llendl;
}
if (mGLIndices != sGLRenderIndices)
{
llerrs << "Wrong index buffer bound." << llendl;
}
if (mGLBuffer != sGLRenderBuffer)
{
llerrs << "Wrong vertex buffer bound." << llendl;
}
if (mode >= LLRender::NUM_MODES)
{
llerrs << "Invalid draw mode: " << mode << llendl;
return;
}
stop_glerror();
glDrawElements(sGLMode[mode], count, GL_UNSIGNED_SHORT,
((U16*) getIndicesPointer()) + indices_offset);
stop_glerror();
}
void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
{
if (first >= (U32) mRequestedNumVerts ||
first + count > (U32) mRequestedNumVerts)
{
llerrs << "Bad vertex buffer draw range: [" << first << ", " << first+count << "]" << llendl;
}
if (mGLBuffer != sGLRenderBuffer || useVBOs() != sVBOActive)
{
llerrs << "Wrong vertex buffer bound." << llendl;
}
if (mode >= LLRender::NUM_MODES)
{
llerrs << "Invalid draw mode: " << mode << llendl;
return;
}
stop_glerror();
glDrawArrays(sGLMode[mode], first, count);
stop_glerror();
}
//static
void LLVertexBuffer::initClass(bool use_vbo)
{
sEnableVBOs = use_vbo;
LLGLNamePool::registerPool(&sDynamicVBOPool);
LLGLNamePool::registerPool(&sDynamicIBOPool);
LLGLNamePool::registerPool(&sStreamVBOPool);
LLGLNamePool::registerPool(&sStreamIBOPool);
}
//static
void LLVertexBuffer::unbind()
{
if (sVBOActive)
{
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
sVBOActive = FALSE;
}
if (sIBOActive)
{
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
sIBOActive = FALSE;
}
sGLRenderBuffer = 0;
sGLRenderIndices = 0;
setupClientArrays(0);
}
//static
void LLVertexBuffer::cleanupClass()
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_CLEANUP_CLASS);
unbind();
clientCopy(); // deletes GL buffers
}
void LLVertexBuffer::clientCopy(F64 max_time)
{
if (!sDeleteList.empty())
{
glDeleteBuffersARB(sDeleteList.size(), (GLuint*) &(sDeleteList[0]));
sDeleteList.clear();
}
}
//----------------------------------------------------------------------------
LLVertexBuffer::LLVertexBuffer(U32 typemask, S32 usage) :
LLRefCount(),
mNumVerts(0), mNumIndices(0), mUsage(usage), mGLBuffer(0), mGLIndices(0),
mMappedData(NULL),
mMappedIndexData(NULL), mLocked(FALSE),
mFinal(FALSE),
mFilthy(FALSE),
mEmpty(TRUE),
mResized(FALSE),
mDynamicSize(FALSE)
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_CONSTRUCTOR);
if (!sEnableVBOs)
{
mUsage = 0 ;
}
S32 stride = calcStride(typemask, mOffsets);
mTypeMask = typemask;
mStride = stride;
sCount++;
}
//static
S32 LLVertexBuffer::calcStride(const U32& typemask, S32* offsets)
{
S32 stride = 0;
for (S32 i=0; i<TYPE_MAX; i++)
{
U32 mask = 1<<i;
if (typemask & mask)
{
if (offsets)
{
offsets[i] = stride;
}
stride += sTypeOffsets[i];
}
}
return stride;
}
// protected, use unref()
//virtual
LLVertexBuffer::~LLVertexBuffer()
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTRUCTOR);
destroyGLBuffer();
destroyGLIndices();
sCount--;
};
//----------------------------------------------------------------------------
void LLVertexBuffer::genBuffer()
{
if (mUsage == GL_STREAM_DRAW_ARB)
{
mGLBuffer = sStreamVBOPool.allocate();
}
else if (mUsage == GL_DYNAMIC_DRAW_ARB)
{
mGLBuffer = sDynamicVBOPool.allocate();
}
else
{
BOOST_STATIC_ASSERT(sizeof(mGLBuffer) == sizeof(GLuint));
glGenBuffersARB(1, (GLuint*)&mGLBuffer);
}
sGLCount++;
}
void LLVertexBuffer::genIndices()
{
if (mUsage == GL_STREAM_DRAW_ARB)
{
mGLIndices = sStreamIBOPool.allocate();
}
else if (mUsage == GL_DYNAMIC_DRAW_ARB)
{
mGLIndices = sDynamicIBOPool.allocate();
}
else
{
BOOST_STATIC_ASSERT(sizeof(mGLBuffer) == sizeof(GLuint));
glGenBuffersARB(1, (GLuint*)&mGLIndices);
}
sGLCount++;
}
void LLVertexBuffer::releaseBuffer()
{
if (mUsage == GL_STREAM_DRAW_ARB)
{
sStreamVBOPool.release(mGLBuffer);
}
else if (mUsage == GL_DYNAMIC_DRAW_ARB)
{
sDynamicVBOPool.release(mGLBuffer);
}
else
{
sDeleteList.push_back(mGLBuffer);
}
sGLCount--;
}
void LLVertexBuffer::releaseIndices()
{
if (mUsage == GL_STREAM_DRAW_ARB)
{
sStreamIBOPool.release(mGLIndices);
}
else if (mUsage == GL_DYNAMIC_DRAW_ARB)
{
sDynamicIBOPool.release(mGLIndices);
}
else
{
sDeleteList.push_back(mGLIndices);
}
sGLCount--;
}
void LLVertexBuffer::createGLBuffer()
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_CREATE_VERTICES);
U32 size = getSize();
if (mGLBuffer)
{
destroyGLBuffer();
}
if (size == 0)
{
return;
}
mEmpty = TRUE;
if (useVBOs())
{
mMappedData = NULL;
genBuffer();
mResized = TRUE;
}
else
{
static int gl_buffer_idx = 0;
mGLBuffer = ++gl_buffer_idx;
mMappedData = new U8[size];
memset(mMappedData, 0, size);
}
}
void LLVertexBuffer::createGLIndices()
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_CREATE_INDICES);
U32 size = getIndicesSize();
if (mGLIndices)
{
destroyGLIndices();
}
if (size == 0)
{
return;
}
mEmpty = TRUE;
if (useVBOs())
{
mMappedIndexData = NULL;
genIndices();
mResized = TRUE;
}
else
{
mMappedIndexData = new U8[size];
memset(mMappedIndexData, 0, size);
static int gl_buffer_idx = 0;
mGLIndices = ++gl_buffer_idx;
}
}
void LLVertexBuffer::destroyGLBuffer()
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTROY_BUFFER);
if (mGLBuffer)
{
if (useVBOs())
{
if (mMappedData || mMappedIndexData)
{
llerrs << "Vertex buffer destroyed while mapped!" << llendl;
}
releaseBuffer();
}
else
{
delete [] mMappedData;
mMappedData = NULL;
mEmpty = TRUE;
}
sAllocatedBytes -= getSize();
}
mGLBuffer = 0;
//unbind();
}
void LLVertexBuffer::destroyGLIndices()
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTROY_INDICES);
if (mGLIndices)
{
if (useVBOs())
{
if (mMappedData || mMappedIndexData)
{
llerrs << "Vertex buffer destroyed while mapped." << llendl;
}
releaseIndices();
}
else
{
delete [] mMappedIndexData;
mMappedIndexData = NULL;
mEmpty = TRUE;
}
sAllocatedBytes -= getIndicesSize();
}
mGLIndices = 0;
//unbind();
}
void LLVertexBuffer::updateNumVerts(S32 nverts)
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_UPDATE_VERTS);
if (nverts >= 65535)
{
llwarns << "Vertex buffer overflow!" << llendl;
nverts = 65535;
}
mRequestedNumVerts = nverts;
if (!mDynamicSize)
{
mNumVerts = nverts;
}
else if (mUsage == GL_STATIC_DRAW_ARB ||
nverts > mNumVerts ||
nverts < mNumVerts/2)
{
if (mUsage != GL_STATIC_DRAW_ARB && nverts + nverts/4 <= 65535)
{
nverts += nverts/4;
}
mNumVerts = nverts;
}
}
void LLVertexBuffer::updateNumIndices(S32 nindices)
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_UPDATE_INDICES);
mRequestedNumIndices = nindices;
if (!mDynamicSize)
{
mNumIndices = nindices;
}
else if (mUsage == GL_STATIC_DRAW_ARB ||
nindices > mNumIndices ||
nindices < mNumIndices/2)
{
if (mUsage != GL_STATIC_DRAW_ARB)
{
nindices += nindices/4;
}
mNumIndices = nindices;
}
}
void LLVertexBuffer::allocateBuffer(S32 nverts, S32 nindices, bool create)
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_ALLOCATE_BUFFER);
updateNumVerts(nverts);
updateNumIndices(nindices);
if (mMappedData)
{
llerrs << "LLVertexBuffer::allocateBuffer() called redundantly." << llendl;
}
if (create && (nverts || nindices))
{
createGLBuffer();
createGLIndices();
}
sAllocatedBytes += getSize() + getIndicesSize();
}
void LLVertexBuffer::resizeBuffer(S32 newnverts, S32 newnindices)
{
mRequestedNumVerts = newnverts;
mRequestedNumIndices = newnindices;
LLMemType mt2(LLMemType::MTYPE_VERTEX_RESIZE_BUFFER);
mDynamicSize = TRUE;
if (mUsage == GL_STATIC_DRAW_ARB)
{ //always delete/allocate static buffers on resize
destroyGLBuffer();
destroyGLIndices();
allocateBuffer(newnverts, newnindices, TRUE);
mFinal = FALSE;
}
else if (newnverts > mNumVerts || newnindices > mNumIndices ||
newnverts < mNumVerts/2 || newnindices < mNumIndices/2)
{
sAllocatedBytes -= getSize() + getIndicesSize();
S32 oldsize = getSize();
S32 old_index_size = getIndicesSize();
updateNumVerts(newnverts);
updateNumIndices(newnindices);
S32 newsize = getSize();
S32 new_index_size = getIndicesSize();
sAllocatedBytes += newsize + new_index_size;
if (newsize)
{
if (!mGLBuffer)
{ //no buffer exists, create a new one
createGLBuffer();
}
else
{
//delete old buffer, keep GL buffer for now
if (!useVBOs())
{
U8* old = mMappedData;
mMappedData = new U8[newsize];
if (old)
{
memcpy(mMappedData, old, llmin(newsize, oldsize));
if (newsize > oldsize)
{
memset(mMappedData+oldsize, 0, newsize-oldsize);
}
delete [] old;
}
else
{
memset(mMappedData, 0, newsize);
mEmpty = TRUE;
}
}
mResized = TRUE;
}
}
else if (mGLBuffer)
{
destroyGLBuffer();
}
if (new_index_size)
{
if (!mGLIndices)
{
createGLIndices();
}
else
{
if (!useVBOs())
{
//delete old buffer, keep GL buffer for now
U8* old = mMappedIndexData;
mMappedIndexData = new U8[new_index_size];
if (old)
{
memcpy(mMappedIndexData, old, llmin(new_index_size, old_index_size));
if (new_index_size > old_index_size)
{
memset(mMappedIndexData+old_index_size, 0, new_index_size - old_index_size);
}
delete [] old;
}
else
{
memset(mMappedIndexData, 0, new_index_size);
mEmpty = TRUE;
}
}
mResized = TRUE;
}
}
else if (mGLIndices)
{
destroyGLIndices();
}
}
if (mResized && useVBOs())
{
setBuffer(0);
}
}
BOOL LLVertexBuffer::useVBOs() const
{
//it's generally ineffective to use VBO for things that are streaming on apple
#if LL_DARWIN
if (!mUsage || mUsage == GL_STREAM_DRAW_ARB)
{
return FALSE;
}
#else
if (!mUsage)
{
return FALSE;
}
#endif
return sEnableVBOs;
}
//----------------------------------------------------------------------------
// Map for data access
U8* LLVertexBuffer::mapBuffer(S32 access)
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_MAP_BUFFER);
if (mFinal)
{
llerrs << "LLVertexBuffer::mapBuffer() called on a finalized buffer." << llendl;
}
if (!useVBOs() && !mMappedData && !mMappedIndexData)
{
llerrs << "LLVertexBuffer::mapBuffer() called on unallocated buffer." << llendl;
}
if (!mLocked && useVBOs())
{
{
LLMemType mt_v(LLMemType::MTYPE_VERTEX_MAP_BUFFER_VERTICES);
setBuffer(0);
mLocked = TRUE;
stop_glerror();
mMappedData = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
stop_glerror();
}
{
LLMemType mt_v(LLMemType::MTYPE_VERTEX_MAP_BUFFER_INDICES);
mMappedIndexData = (U8*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
stop_glerror();
}
if (!mMappedData)
{
//--------------------
//print out more debug info before crash
llinfos << "vertex buffer size: (num verts : num indices) = " << getNumVerts() << " : " << getNumIndices() << llendl ;
GLint size ;
glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_SIZE_ARB, &size) ;
llinfos << "GL_ARRAY_BUFFER_ARB size is " << size << llendl ;
//--------------------
GLint buff;
glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
if ((GLuint)buff != mGLBuffer)
{
llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
}
llerrs << "glMapBuffer returned NULL (no vertex data)" << llendl;
}
if (!mMappedIndexData)
{
GLint buff;
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
if ((GLuint)buff != mGLIndices)
{
llerrs << "Invalid GL index buffer bound: " << buff << llendl;
}
llerrs << "glMapBuffer returned NULL (no index data)" << llendl;
}
sMappedCount++;
}
return mMappedData;
}
void LLVertexBuffer::unmapBuffer()
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_UNMAP_BUFFER);
if (mMappedData || mMappedIndexData)
{
if (useVBOs() && mLocked)
{
stop_glerror();
glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
stop_glerror();
glUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB);
stop_glerror();
/*if (!sMapped)
{
llerrs << "Redundantly unmapped VBO!" << llendl;
}
sMapped = FALSE;*/
sMappedCount--;
if (mUsage == GL_STATIC_DRAW_ARB)
{ //static draw buffers can only be mapped a single time
//throw out client data (we won't be using it again)
mEmpty = TRUE;
mFinal = TRUE;
}
else
{
mEmpty = FALSE;
}
mMappedIndexData = NULL;
mMappedData = NULL;
mLocked = FALSE;
}
}
}
//----------------------------------------------------------------------------
template <class T,S32 type> struct VertexBufferStrider
{
typedef LLStrider<T> strider_t;
static bool get(LLVertexBuffer& vbo,
strider_t& strider,
S32 index)
{
if (vbo.mapBuffer() == NULL)
{
llwarns << "mapBuffer failed!" << llendl;
return FALSE;
}
if (type == LLVertexBuffer::TYPE_INDEX)
{
S32 stride = sizeof(T);
strider = (T*)(vbo.getMappedIndices() + index*stride);
strider.setStride(0);
return TRUE;
}
else if (vbo.hasDataType(type))
{
S32 stride = vbo.getStride();
strider = (T*)(vbo.getMappedData() + vbo.getOffset(type) + index*stride);
strider.setStride(stride);
return TRUE;
}
else
{
llerrs << "VertexBufferStrider could not find valid vertex data." << llendl;
}
return FALSE;
}
};
bool LLVertexBuffer::getVertexStrider(LLStrider<LLVector3>& strider, S32 index)
{
return VertexBufferStrider<LLVector3,TYPE_VERTEX>::get(*this, strider, index);
}
bool LLVertexBuffer::getIndexStrider(LLStrider<U16>& strider, S32 index)
{
return VertexBufferStrider<U16,TYPE_INDEX>::get(*this, strider, index);
}
bool LLVertexBuffer::getTexCoord0Strider(LLStrider<LLVector2>& strider, S32 index)
{
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD0>::get(*this, strider, index);
}
bool LLVertexBuffer::getTexCoord1Strider(LLStrider<LLVector2>& strider, S32 index)
{
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD1>::get(*this, strider, index);
}
/*bool LLVertexBuffer::getTexCoord2Strider(LLStrider<LLVector2>& strider, S32 index)
{
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD2>::get(*this, strider, index);
}
bool LLVertexBuffer::getTexCoord3Strider(LLStrider<LLVector2>& strider, S32 index)
{
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD3>::get(*this, strider, index);
}*/
bool LLVertexBuffer::getNormalStrider(LLStrider<LLVector3>& strider, S32 index)
{
return VertexBufferStrider<LLVector3,TYPE_NORMAL>::get(*this, strider, index);
}
bool LLVertexBuffer::getBinormalStrider(LLStrider<LLVector3>& strider, S32 index)
{
return VertexBufferStrider<LLVector3,TYPE_BINORMAL>::get(*this, strider, index);
}
bool LLVertexBuffer::getColorStrider(LLStrider<LLColor4U>& strider, S32 index)
{
return VertexBufferStrider<LLColor4U,TYPE_COLOR>::get(*this, strider, index);
}
bool LLVertexBuffer::getWeightStrider(LLStrider<F32>& strider, S32 index)
{
return VertexBufferStrider<F32,TYPE_WEIGHT>::get(*this, strider, index);
}
bool LLVertexBuffer::getClothWeightStrider(LLStrider<LLVector4>& strider, S32 index)
{
return VertexBufferStrider<LLVector4,TYPE_CLOTHWEIGHT>::get(*this, strider, index);
}
void LLVertexBuffer::setStride(S32 type, S32 new_stride)
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_SET_STRIDE);
if (mNumVerts)
{
llerrs << "LLVertexBuffer::setOffset called with mNumVerts = " << mNumVerts << llendl;
}
// This code assumes that setStride() will only be called once per VBO per type.
S32 delta = new_stride - sTypeOffsets[type];
for (S32 i=type+1; i<TYPE_MAX; i++)
{
if (mTypeMask & (1<<i))
{
mOffsets[i] += delta;
}
}
mStride += delta;
}
//----------------------------------------------------------------------------
// Set for rendering
void LLVertexBuffer::setBuffer(U32 data_mask)
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_SET_BUFFER);
//set up pointers if the data mask is different ...
BOOL setup = (sLastMask != data_mask);
if (useVBOs())
{
if (mGLBuffer && (mGLBuffer != sGLRenderBuffer || !sVBOActive))
{
/*if (sMapped)
{
llerrs << "VBO bound while another VBO mapped!" << llendl;
}*/
stop_glerror();
glBindBufferARB(GL_ARRAY_BUFFER_ARB, mGLBuffer);
stop_glerror();
sBindCount++;
sVBOActive = TRUE;
setup = TRUE; // ... or the bound buffer changed
}
if (mGLIndices && (mGLIndices != sGLRenderIndices || !sIBOActive))
{
/*if (sMapped)
{
llerrs << "VBO bound while another VBO mapped!" << llendl;
}*/
stop_glerror();
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, mGLIndices);
stop_glerror();
sBindCount++;
sIBOActive = TRUE;
}
BOOL error = FALSE;
if (gDebugGL)
{
GLint buff;
glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
if ((GLuint)buff != mGLBuffer)
{
if (gDebugSession)
{
error = TRUE;
gFailLog << "Invalid GL vertex buffer bound: " << buff << std::endl;
}
else
{
llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
}
}
if (mGLIndices)
{
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
if ((GLuint)buff != mGLIndices)
{
if (gDebugSession)
{
error = TRUE;
gFailLog << "Invalid GL index buffer bound: " << buff << std::endl;
}
else
{
llerrs << "Invalid GL index buffer bound: " << buff << llendl;
}
}
}
}
if (mResized)
{
if (gDebugGL)
{
GLint buff;
glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
if ((GLuint)buff != mGLBuffer)
{
if (gDebugSession)
{
error = TRUE;
gFailLog << "Invalid GL vertex buffer bound: " << std::endl;
}
else
{
llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
}
}
if (mGLIndices != 0)
{
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
if ((GLuint)buff != mGLIndices)
{
if (gDebugSession)
{
error = TRUE;
gFailLog << "Invalid GL index buffer bound: "<< std::endl;
}
else
{
llerrs << "Invalid GL index buffer bound: " << buff << llendl;
}
}
}
}
if (mGLBuffer)
{
stop_glerror();
glBufferDataARB(GL_ARRAY_BUFFER_ARB, getSize(), NULL, mUsage);
stop_glerror();
}
if (mGLIndices)
{
stop_glerror();
glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, getIndicesSize(), NULL, mUsage);
stop_glerror();
}
mEmpty = TRUE;
mResized = FALSE;
if (data_mask != 0)
{
if (gDebugSession)
{
error = TRUE;
gFailLog << "Buffer set for rendering before being filled after resize." << std::endl;
}
else
{
llerrs << "Buffer set for rendering before being filled after resize." << llendl;
}
}
}
if (error)
{
ll_fail("LLVertexBuffer::mapBuffer failed");
}
unmapBuffer();
}
else
{
if (mGLBuffer)
{
if (sEnableVBOs && sVBOActive)
{
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
sBindCount++;
sVBOActive = FALSE;
setup = TRUE; // ... or a VBO is deactivated
}
if (sGLRenderBuffer != mGLBuffer)
{
setup = TRUE; // ... or a client memory pointer changed
}
}
if (sEnableVBOs && mGLIndices && sIBOActive)
{
/*if (sMapped)
{
llerrs << "VBO unbound while potentially mapped!" << llendl;
}*/
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
sBindCount++;
sIBOActive = FALSE;
}
}
setupClientArrays(data_mask);
if (mGLIndices)
{
sGLRenderIndices = mGLIndices;
}
if (mGLBuffer)
{
sGLRenderBuffer = mGLBuffer;
if (data_mask && setup)
{
setupVertexBuffer(data_mask); // subclass specific setup (virtual function)
sSetCount++;
}
}
}
// virtual (default)
void LLVertexBuffer::setupVertexBuffer(U32 data_mask) const
{
LLMemType mt2(LLMemType::MTYPE_VERTEX_SETUP_VERTEX_BUFFER);
stop_glerror();
U8* base = useVBOs() ? NULL : mMappedData;
S32 stride = mStride;
if ((data_mask & mTypeMask) != data_mask)
{
llerrs << "LLVertexBuffer::setupVertexBuffer missing required components for supplied data mask." << llendl;
}
if (data_mask & MAP_NORMAL)
{
glNormalPointer(GL_FLOAT, stride, (void*)(base + mOffsets[TYPE_NORMAL]));
}
if (data_mask & MAP_TEXCOORD3)
{
glClientActiveTextureARB(GL_TEXTURE3_ARB);
glTexCoordPointer(2,GL_FLOAT, stride, (void*)(base + mOffsets[TYPE_TEXCOORD3]));
glClientActiveTextureARB(GL_TEXTURE0_ARB);
}
if (data_mask & MAP_TEXCOORD2)
{
glClientActiveTextureARB(GL_TEXTURE2_ARB);
glTexCoordPointer(2,GL_FLOAT, stride, (void*)(base + mOffsets[TYPE_TEXCOORD2]));
glClientActiveTextureARB(GL_TEXTURE0_ARB);
}
if (data_mask & MAP_TEXCOORD1)
{
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glTexCoordPointer(2,GL_FLOAT, stride, (void*)(base + mOffsets[TYPE_TEXCOORD1]));
glClientActiveTextureARB(GL_TEXTURE0_ARB);
}
if (data_mask & MAP_BINORMAL)
{
glClientActiveTextureARB(GL_TEXTURE2_ARB);
glTexCoordPointer(3,GL_FLOAT, stride, (void*)(base + mOffsets[TYPE_BINORMAL]));
glClientActiveTextureARB(GL_TEXTURE0_ARB);
}
if (data_mask & MAP_TEXCOORD0)
{
glTexCoordPointer(2,GL_FLOAT, stride, (void*)(base + mOffsets[TYPE_TEXCOORD0]));
}
if (data_mask & MAP_COLOR)
{
glColorPointer(4, GL_UNSIGNED_BYTE, stride, (void*)(base + mOffsets[TYPE_COLOR]));
}
if (data_mask & MAP_WEIGHT)
{
glVertexAttribPointerARB(1, 1, GL_FLOAT, FALSE, stride, (void*)(base + mOffsets[TYPE_WEIGHT]));
}
if (data_mask & MAP_CLOTHWEIGHT)
{
glVertexAttribPointerARB(4, 4, GL_FLOAT, TRUE, stride, (void*)(base + mOffsets[TYPE_CLOTHWEIGHT]));
}
if (data_mask & MAP_VERTEX)
{
glVertexPointer(3,GL_FLOAT, stride, (void*)(base + 0));
}
llglassertok();
}
void LLVertexBuffer::markDirty(U32 vert_index, U32 vert_count, U32 indices_index, U32 indices_count)
{
// TODO: use GL_APPLE_flush_buffer_range here
/*if (useVBOs() && !mFilthy)
{
}*/
}
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