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Implement D3D9 hardware cursor 2X enlargement by Nearest-neighbor

This commit is contained in:
allfox 2024-02-01 17:11:16 +08:00
parent 474aac2bc5
commit c4ed9e0232
1 changed files with 27 additions and 2 deletions
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29
src/d3d9/d3d9_device.cpp
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@ -370,8 +370,33 @@ namespace dxvk {
HardwareCursorHeight,
inputHeight);
for (uint32_t h = 0; h < copyHeight; h++)
std::memcpy(&bitmap[h * HardwareCursorPitch], &data[h * lockedBox.RowPitch], copyPitch);
size_t copyWidth = std::min<size_t>(
HardwareCursorWidth,
inputWidth);
if (m_d3d9Options.enlargeHardwareCursor &&
copyHeight * 2 <= HardwareCursorHeight &&
copyWidth * 2 <= HardwareCursorWidth) {
// Adjust hot spot to larger cursor
// According to doc(https://learn.microsoft.com/en-us/windows/win32/api/d3d9/nf-d3d9-idirect3ddevice9-setcursorproperties)
// if the hardware only supprt 32x32, Windows would scale HotSpot back
XHotSpot *= 2;
YHotSpot *= 2;
// Enlarge cursor into 2X size using Nearest-neighbor
for (uint32_t h = 0; h < copyHeight; h++) {
for (uint32_t w = 0; w < copyWidth; ++w) {
std::memcpy(&bitmap[(h * 2) * HardwareCursorPitch + (w * 2) * HardwareCursorFormatSize], &data[h * lockedBox.RowPitch + w * HardwareCursorFormatSize], HardwareCursorFormatSize);
std::memcpy(&bitmap[(h * 2) * HardwareCursorPitch + (w * 2 + 1) * HardwareCursorFormatSize], &data[h * lockedBox.RowPitch + w * HardwareCursorFormatSize], HardwareCursorFormatSize);
std::memcpy(&bitmap[(h * 2 + 1) * HardwareCursorPitch + (w * 2) * HardwareCursorFormatSize], &data[h * lockedBox.RowPitch + w * HardwareCursorFormatSize], HardwareCursorFormatSize);
std::memcpy(&bitmap[(h * 2 + 1) * HardwareCursorPitch + (w * 2 + 1) * HardwareCursorFormatSize], &data[h * lockedBox.RowPitch + w * HardwareCursorFormatSize], HardwareCursorFormatSize);
}
}
} else {
for (uint32_t h = 0; h < copyHeight; h++)
std::memcpy(&bitmap[h * HardwareCursorPitch], &data[h * lockedBox.RowPitch], copyPitch);
}
UnlockImage(cursorTex, 0, 0);