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[idd] driver: implement dirty rect tracking

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This commit is contained in:
Geoffrey McRae
2026-06-03 04:17:23 +10:00
committed by Geoffrey McRae
parent bd88a64a98
commit 929428c273
8 changed files with 140 additions and 34 deletions
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19
idd/LGIdd/CIndirectDeviceContext.cpp
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@@ -803,7 +803,7 @@ void CIndirectDeviceContext::LGMPTimer()
}
CIndirectDeviceContext::PreparedFrameBuffer CIndirectDeviceContext::PrepareFrameBuffer(
unsigned width, unsigned height, unsigned pitch, DXGI_FORMAT format)
unsigned width, unsigned height, unsigned pitch, DXGI_FORMAT format, const RECT * dirtyRects, unsigned nbDirtyRects)
{
PreparedFrameBuffer result = {};
@@ -863,6 +863,17 @@ CIndirectDeviceContext::PreparedFrameBuffer CIndirectDeviceContext::PrepareFrame
fi->flags = 0;
fi->rotation = FRAME_ROT_0;
fi->damageRectsCount = 0;
if (nbDirtyRects <= ARRAYSIZE(fi->damageRects))
{
fi->damageRectsCount = nbDirtyRects;
for (unsigned i = 0; i < nbDirtyRects; ++i)
{
fi->damageRects[i].x = dirtyRects[i].left;
fi->damageRects[i].y = dirtyRects[i].top;
fi->damageRects[i].width = dirtyRects[i].right - dirtyRects[i].left;
fi->damageRects[i].height = dirtyRects[i].bottom - dirtyRects[i].top;
}
}
FrameBuffer* fb = m_frameBuffer[m_frameIndex];
fb->wp = 0;
@@ -876,7 +887,7 @@ CIndirectDeviceContext::PreparedFrameBuffer CIndirectDeviceContext::PrepareFrame
return result;
}
void CIndirectDeviceContext::WriteFrameBuffer(unsigned frameIndex, void* src, size_t offset, size_t len, bool setWritePos)
void CIndirectDeviceContext::WriteFrameBuffer(unsigned frameIndex, void* src, size_t offset, size_t len, bool setWritePos) const
{
FrameBuffer * fb = m_frameBuffer[frameIndex];
@@ -889,7 +900,7 @@ void CIndirectDeviceContext::WriteFrameBuffer(unsigned frameIndex, void* src, si
fb->wp = (uint32_t)(offset + len);
}
void CIndirectDeviceContext::FinalizeFrameBuffer(unsigned frameIndex)
void CIndirectDeviceContext::FinalizeFrameBuffer(unsigned frameIndex) const
{
FrameBuffer * fb = m_frameBuffer[frameIndex];
fb->wp = m_height * m_pitch;
@@ -965,7 +976,7 @@ void CIndirectDeviceContext::SendCursor(const IDARG_OUT_QUERY_HWCURSOR& info, co
}
}
void CIndirectDeviceContext::ResendCursor()
void CIndirectDeviceContext::ResendCursor() const
{
PLGMPMemory mem = m_pointerShape;
if (!mem)