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Streamlined writes to bus external memory

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This commit is contained in:
Siana Gearz
2010-11-16 16:46:53 +01:00
parent e1c7378bdf
commit b426c3874f
3 changed files with 20 additions and 20 deletions
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24
indra/llrender/llvertexbuffer.cpp
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@@ -491,7 +491,7 @@ void LLVertexBuffer::createGLBuffer()
static int gl_buffer_idx = 0;
mGLBuffer = ++gl_buffer_idx;
mMappedData = new U8[size];
memset(mMappedData, 0, size);
//memset(mMappedData, 0, size);
}
}
@@ -521,7 +521,7 @@ void LLVertexBuffer::createGLIndices()
else
{
mMappedIndexData = new U8[size];
memset(mMappedIndexData, 0, size);
//memset(mMappedIndexData, 0, size);
static int gl_buffer_idx = 0;
mGLIndices = ++gl_buffer_idx;
}
@@ -692,21 +692,21 @@ void LLVertexBuffer::resizeBuffer(S32 newnverts, S32 newnindices)
//delete old buffer, keep GL buffer for now
if (!useVBOs())
{
U8* old = mMappedData;
volatile U8* old = mMappedData;
mMappedData = new U8[newsize];
if (old)
{
memcpy(mMappedData, old, llmin(newsize, oldsize));
memcpy((void*)mMappedData, (void*)old, llmin(newsize, oldsize));
if (newsize > oldsize)
{
memset(mMappedData+oldsize, 0, newsize-oldsize);
//memset(mMappedData+oldsize, 0, newsize-oldsize);
}
delete [] old;
}
else
{
memset(mMappedData, 0, newsize);
//memset(mMappedData, 0, newsize);
mEmpty = TRUE;
}
}
@@ -729,21 +729,21 @@ void LLVertexBuffer::resizeBuffer(S32 newnverts, S32 newnindices)
if (!useVBOs())
{
//delete old buffer, keep GL buffer for now
U8* old = mMappedIndexData;
volatile U8* old = mMappedIndexData;
mMappedIndexData = new U8[new_index_size];
if (old)
{
memcpy(mMappedIndexData, old, llmin(new_index_size, old_index_size));
memcpy((void*)mMappedIndexData, (void*)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);
//memset(mMappedIndexData+old_index_size, 0, new_index_size - old_index_size);
}
delete [] old;
}
else
{
memset(mMappedIndexData, 0, new_index_size);
//memset(mMappedIndexData, 0, new_index_size);
mEmpty = TRUE;
}
}
@@ -783,7 +783,7 @@ BOOL LLVertexBuffer::useVBOs() const
//----------------------------------------------------------------------------
// Map for data access
U8* LLVertexBuffer::mapBuffer(S32 access)
volatile U8* LLVertexBuffer::mapBuffer(S32 access)
{
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
if (mFinal)
@@ -1130,7 +1130,7 @@ void LLVertexBuffer::setupVertexBuffer(U32 data_mask) const
{
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
stop_glerror();
U8* base = useVBOs() ? NULL : mMappedData;
volatile U8* base = useVBOs() ? NULL : mMappedData;
S32 stride = mStride;
if ((data_mask & mTypeMask) != data_mask)