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Added read-only const access to buffers

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Former-commit-id: 555f079e277869bc8f32732f24dfee704e17f324
This commit is contained in:
Lynix
2012-12-31 11:12:45 +01:00
parent e32e012c5a
commit 6fefa3fdd2
6 changed files with 66 additions and 6 deletions
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27
src/Nazara/Utility/Buffer.cpp
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@@ -235,6 +235,31 @@ void* NzBuffer::Map(nzBufferAccess access, unsigned int offset, unsigned int len
return m_impl->Map(access, offset*m_typeSize, ((length == 0) ? m_length-offset : length)*m_typeSize);
}
const void* NzBuffer::Map(nzBufferAccess access, unsigned int offset, unsigned int length) const
{
#if NAZARA_UTILITY_SAFE
if (!m_impl)
{
NazaraError("Buffer not valid");
return nullptr;
}
if (access != nzBufferAccess_ReadOnly)
{
NazaraError("Buffer access must be read-only when used const");
return nullptr;
}
if (offset+length > m_length)
{
NazaraError("Exceeding buffer size");
return nullptr;
}
#endif
return m_impl->Map(access, offset*m_typeSize, ((length == 0) ? m_length-offset : length)*m_typeSize);
}
bool NzBuffer::SetStorage(nzBufferStorage storage)
{
#if NAZARA_UTILITY_SAFE
@@ -297,7 +322,7 @@ bool NzBuffer::SetStorage(nzBufferStorage storage)
return true;
}
bool NzBuffer::Unmap()
bool NzBuffer::Unmap() const
{
#if NAZARA_UTILITY_SAFE
if (!m_impl)