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[d3d9] Don't mark for hazards if we aren't rendering to mip 0

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This commit is contained in:
Joshua Ashton 2020-01-16 03:04:58 +00:00
parent 7c53a997ef
commit 9e5e4c1cfc
1 changed files with 9 additions and 2 deletions
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11
src/d3d9/d3d9_device.cpp
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@ -4668,10 +4668,17 @@ namespace dxvk {
m_activeHazards = 0;
for (uint32_t rt = masks.rtMask; rt; rt &= rt - 1) {
for (uint32_t sampler = masks.samplerMask; sampler; sampler &= sampler - 1) {
IDirect3DBaseTexture9* rtBase = m_state.renderTargets[bit::tzcnt(rt)]->GetBaseTexture();
D3D9Surface* rtSurf = m_state.renderTargets[bit::tzcnt(rt)].ptr();
IDirect3DBaseTexture9* rtBase = rtSurf->GetBaseTexture();
IDirect3DBaseTexture9* texBase = m_state.textures[bit::tzcnt(sampler)];
if (likely(rtBase != texBase))
// HACK: Don't mark for hazards if we aren't rendering to mip 0!
// Some games use screenspace passes like this for blurring
// Sampling from mip 0 (texture) -> mip 1 (rt)
// and we'd trigger the hazard path otherwise which is unnecessary,
// and would shove us into GENERAL and emitting readback barriers.
if (likely(rtSurf->GetMipLevel() != 0 || rtBase != texBase))
continue;
m_activeHazards |= 1 << bit::tzcnt(rt);