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ImDrawList, ImDrawListSplitter, Columns: Fixed an issue where changing channels with different TextureId, VtxOffset would incorrectly apply new settings to draw channels. (#3129, #3163)

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ocornut
2020-06-08 20:53:11 +02:00
parent 3bef743df4
commit 84862ec78e
2 changed files with 17 additions and 2 deletions
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16
imgui_draw.cpp
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@ -1435,8 +1435,13 @@ void ImDrawListSplitter::Merge(ImDrawList* draw_list)
if (draw_list->CmdBuffer.Size == 0 || draw_list->CmdBuffer.back().UserCallback != NULL)
draw_list->AddDrawCmd();
draw_list->_OnChangedClipRect(); // We call this instead of AddDrawCmd(), so that empty channels won't produce an extra draw call.
draw_list->_OnChangedTextureID();
// If current command is used with different settings we need to add a new command
ImDrawCmd* curr_cmd = &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1];
if (curr_cmd->ElemCount == 0)
ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset
else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0)
draw_list->AddDrawCmd();
_Count = 1;
}
@ -1453,6 +1458,13 @@ void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx)
memcpy(&draw_list->CmdBuffer, &_Channels.Data[idx]._CmdBuffer, sizeof(draw_list->CmdBuffer));
memcpy(&draw_list->IdxBuffer, &_Channels.Data[idx]._IdxBuffer, sizeof(draw_list->IdxBuffer));
draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size;
// If current command is used with different settings we need to add a new command
ImDrawCmd* curr_cmd = &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1];
if (curr_cmd->ElemCount == 0)
ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset
else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0)
draw_list->AddDrawCmd();
}
//-----------------------------------------------------------------------------