gl::Error Buffer9::setData(const gl::Context *context,
gl::BufferBinding /*target*/,
const void *data,
size_t size,
gl::BufferUsage usage)
{
if (size > mMemory.size())
{
if (!mMemory.resize(size))
{
return gl::OutOfMemory() << "Failed to resize internal buffer.";
}
}
mSize = size;
if (data && size > 0)
{
memcpy(mMemory.data(), data, size);
}
updateD3DBufferUsage(context, usage);
invalidateStaticData(context);
return gl::NoError();
}
// Creates static buffers if sufficient used data has been left unmodified
void BufferD3D::promoteStaticUsage(int dataSize)
{
if (mUsage == D3DBufferUsage::DYNAMIC)
{
mUnmodifiedDataUse += dataSize;
if (mUnmodifiedDataUse > 3 * getSize())
{
updateD3DBufferUsage(GL_STATIC_DRAW);
}
}
}
// Creates static buffers if sufficient used data has been left unmodified
void BufferD3D::promoteStaticUsage(const gl::Context *context, size_t dataSize)
{
if (mUsage == D3DBufferUsage::DYNAMIC)
{
// Note: This is not a safe math operation. 'dataSize' can come from the app.
mUnmodifiedDataUse += dataSize;
if (mUnmodifiedDataUse > 3 * getSize())
{
updateD3DBufferUsage(context, gl::BufferUsage::StaticDraw);
}
}
}
