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[d3d11] Only apply viewport and scissor rect if they have changed

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Resident Evil 2 calls these functions before every single draw
call, so we should avoid emitting redundant viewport updates.
This commit is contained in:
Philip Rebohle 2019-01-12 20:22:08 +01:00
parent c804d99db7
commit 79eded9ae2
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GPG Key ID: C8CC613427A31C99
1 changed files with 27 additions and 6 deletions
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33
src/d3d11/d3d11_context.cpp
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@ -2705,12 +2705,24 @@ namespace dxvk {
const D3D11_VIEWPORT* pViewports) { const D3D11_VIEWPORT* pViewports) {
D3D10DeviceLock lock = LockContext(); D3D10DeviceLock lock = LockContext();
bool dirty = m_state.rs.numViewports != NumViewports;
m_state.rs.numViewports = NumViewports; m_state.rs.numViewports = NumViewports;
for (uint32_t i = 0; i < NumViewports; i++) for (uint32_t i = 0; i < NumViewports; i++) {
m_state.rs.viewports.at(i) = pViewports[i]; const D3D11_VIEWPORT& vp = m_state.rs.viewports[i];
dirty |= vp.TopLeftX != pViewports[i].TopLeftX
|| vp.TopLeftY != pViewports[i].TopLeftY
|| vp.Width != pViewports[i].Width
|| vp.Height != pViewports[i].Height
|| vp.MinDepth != pViewports[i].MinDepth
|| vp.MaxDepth != pViewports[i].MaxDepth;
m_state.rs.viewports[i] = pViewports[i];
}
ApplyViewportState(); if (dirty)
ApplyViewportState();
} }
@ -2719,15 +2731,24 @@ namespace dxvk {
const D3D11_RECT* pRects) { const D3D11_RECT* pRects) {
D3D10DeviceLock lock = LockContext(); D3D10DeviceLock lock = LockContext();
bool dirty = m_state.rs.numScissors != NumRects;
m_state.rs.numScissors = NumRects; m_state.rs.numScissors = NumRects;
for (uint32_t i = 0; i < NumRects; i++) { for (uint32_t i = 0; i < NumRects; i++) {
if (pRects[i].bottom >= pRects[i].top if (pRects[i].bottom >= pRects[i].top
&& pRects[i].right >= pRects[i].left) && pRects[i].right >= pRects[i].left) {
m_state.rs.scissors.at(i) = pRects[i]; const D3D11_RECT& sr = m_state.rs.scissors[i];
dirty |= sr.top != pRects[i].top
|| sr.left != pRects[i].left
|| sr.bottom != pRects[i].bottom
|| sr.right != pRects[i].right;
m_state.rs.scissors[i] = pRects[i];
}
} }
if (m_state.rs.state != nullptr) { if (m_state.rs.state != nullptr && dirty) {
D3D11_RASTERIZER_DESC rsDesc; D3D11_RASTERIZER_DESC rsDesc;
m_state.rs.state->GetDesc(&rsDesc); m_state.rs.state->GetDesc(&rsDesc);