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GUI: optimize pattern view

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don't render what isn't visible
from 3.5ms to 2ms in my phone

to-do: check for regressions...
This commit is contained in:
tildearrow 2025-02-22 19:57:53 -05:00
parent dd9983778b
commit f674a38d8e
2 changed files with 37 additions and 20 deletions
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2
src/gui/gui.h
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@ -2545,7 +2545,7 @@ class FurnaceGUI {
ImVec2 patWindowPos, patWindowSize;
// pattern view specific
ImVec2 fourChars, threeChars, twoChars;
ImVec2 fourChars, threeChars, twoChars, oneChar;
ImVec2 noteCellSize, insCellSize, volCellSize, effectCellSize, effectValCellSize;
SelectionPoint sel1, sel2;
int dummyRows;

55
src/gui/pattern.cpp
View file

@ -167,7 +167,9 @@ inline void FurnaceGUI::patternRow(int i, bool isPlaying, float lineHeight, int
int chanVolMax=e->getMaxVolumeChan(j);
if (chanVolMax<1) chanVolMax=1;
const DivPattern* pat=patCache[j];
ImGui::TableNextColumn();
if (!ImGui::TableNextColumn()) {
continue;
}
for (int k=mustSetXOf; k<=j; k++) {
patChanX[k]=ImGui::GetCursorScreenPos().x;
}
@ -478,10 +480,30 @@ void FurnaceGUI::drawPattern() {
if (chans<1) {
ImGui::Text(_("there aren't any channels to show."));
} else if (ImGui::BeginTable("PatternView",displayChans+2,ImGuiTableFlags_BordersInnerV|ImGuiTableFlags_ScrollX|ImGuiTableFlags_ScrollY|ImGuiTableFlags_NoPadInnerX|ImGuiTableFlags_NoBordersInFrozenArea|((settings.cursorFollowsWheel || wheelCalmDown)?ImGuiTableFlags_NoScrollWithMouse:0))) {
ImGui::TableSetupColumn("pos",ImGuiTableColumnFlags_WidthFixed);
char chanID[2048];
float lineHeight=(ImGui::GetTextLineHeight()+2*dpiScale);
// this could be moved somewhere else for performance...
float oneCharSize=ImGui::CalcTextSize("A").x;
fourChars=ImVec2(oneCharSize*4.0f,lineHeight);
threeChars=ImVec2(oneCharSize*3.0f,lineHeight);
twoChars=ImVec2(oneCharSize*2.0f,lineHeight);
oneChar=ImVec2(oneCharSize,lineHeight);
noteCellSize=threeChars;
noteCellSize.x+=(float)settings.noteCellSpacing*dpiScale;
insCellSize=twoChars;
insCellSize.x+=(float)settings.insCellSpacing*dpiScale;
volCellSize=twoChars;
volCellSize.x+=(float)settings.volCellSpacing*dpiScale;
effectCellSize=twoChars;
effectCellSize.x+=(float)settings.effectCellSpacing*dpiScale;
effectValCellSize=twoChars;
effectValCellSize.x+=(float)settings.effectValCellSpacing*dpiScale;
// and now set things up
ImGui::TableSetupColumn("pos",ImGuiTableColumnFlags_WidthFixed,fourChars.x);
if (nextAddScroll!=0.0f) {
ImGui::SetScrollY(ImGui::GetScrollY()+nextAddScroll);
nextScroll=-1.0f;
@ -495,7 +517,18 @@ void FurnaceGUI::drawPattern() {
ImGui::TableSetupScrollFreeze(1,1);
for (int i=0; i<chans; i++) {
if (!e->curSubSong->chanShow[i]) continue;
ImGui::TableSetupColumn(fmt::sprintf("c%d",i).c_str(),ImGuiTableColumnFlags_WidthFixed);
float chanWidth=noteCellSize.x;
if (e->curSubSong->chanCollapse[i]<3) {
chanWidth+=insCellSize.x;
}
if (e->curSubSong->chanCollapse[i]<2) {
chanWidth+=volCellSize.x;
}
if (e->curSubSong->chanCollapse[i]<1) {
chanWidth+=(effectCellSize.x+effectValCellSize.x)*e->curPat[i].effectCols;
}
ImGui::TableSetupColumn(fmt::sprintf("c%d",i).c_str(),ImGuiTableColumnFlags_WidthFixed,chanWidth);
}
ImGui::TableNextRow();
ImGui::TableNextColumn();
@ -1116,22 +1149,6 @@ void FurnaceGUI::drawPattern() {
if (e->hasExtValue()) {
ImGui::TextColored(uiColors[GUI_COLOR_EE_VALUE]," %.2X",e->getExtValue());
}
float oneCharSize=ImGui::CalcTextSize("A").x;
fourChars=ImVec2(oneCharSize*4.0f,lineHeight);
threeChars=ImVec2(oneCharSize*3.0f,lineHeight);
twoChars=ImVec2(oneCharSize*2.0f,lineHeight);
//ImVec2 oneChar=ImVec2(oneCharSize,lineHeight);
noteCellSize=threeChars;
noteCellSize.x+=(float)settings.noteCellSpacing*dpiScale;
insCellSize=twoChars;
insCellSize.x+=(float)settings.insCellSpacing*dpiScale;
volCellSize=twoChars;
volCellSize.x+=(float)settings.volCellSpacing*dpiScale;
effectCellSize=twoChars;
effectCellSize.x+=(float)settings.effectCellSpacing*dpiScale;
effectValCellSize=twoChars;
effectValCellSize.x+=(float)settings.effectValCellSpacing*dpiScale;
dummyRows=(ImGui::GetWindowSize().y/lineHeight)/2;