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Video Common: Avoid 'presenting' duplicate frames by detecting when swap

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hasn't changed since the last frame
This commit is contained in:
iwubcode 2017-08-20 14:24:37 -05:00
commit e6d85b0915
4 changed files with 6 additions and 3 deletions
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5
Source/Core/VideoCommon/RenderBase.cpp
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@ -639,11 +639,10 @@ void Renderer::Swap(u32 xfbAddr, u32 fbWidth, u32 fbStride, u32 fbHeight, const
auto* xfb_entry = g_texture_cache->GetTexture(xfbAddr, fbWidth, fbHeight, TextureFormat::XFB,
force_safe_texture_cache_hash);
if (xfb_entry)
if (xfb_entry && xfb_entry->id != m_last_xfb_id)
{
// TODO, check if xfb_entry is a duplicate of the previous frame and skip SwapImpl
m_last_xfb_texture = xfb_entry->texture.get();
m_last_xfb_id = xfb_entry->id;
// TODO: merge more generic parts into VideoCommon
g_renderer->SwapImpl(xfb_entry->texture.get(), rc, ticks, xfb_entry->gamma);