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GUI: optimize sample editor

This commit is contained in:
tildearrow 2023-04-30 13:06:23 -05:00
parent 5af7d67718
commit 78b7049d81
1 changed files with 43 additions and 24 deletions
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67
src/gui/sampleEdit.cpp
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@ -1111,23 +1111,26 @@ void FurnaceGUI::drawSampleEdit() {
if (sampleTex!=NULL) {
if (updateSampleTex) {
unsigned int* data=NULL;
unsigned int* dataT=NULL;
int pitch=0;
logD("updating sample texture.");
if (SDL_LockTexture(sampleTex,NULL,(void**)&data,&pitch)!=0) {
if (SDL_LockTexture(sampleTex,NULL,(void**)&dataT,&pitch)!=0) {
logE("error while locking sample texture! %s",SDL_GetError());
} else {
unsigned int* data=new unsigned int[sampleTexW*sampleTexH];
ImU32 bgColor=ImGui::GetColorU32(uiColors[GUI_COLOR_SAMPLE_BG]);
ImU32 bgColorLoop=ImGui::GetColorU32(uiColors[GUI_COLOR_SAMPLE_LOOP]);
ImU32 lineColor=ImGui::GetColorU32(uiColors[GUI_COLOR_SAMPLE_FG]);
ImU32 centerLineColor=ImGui::GetColorU32(uiColors[GUI_COLOR_SAMPLE_CENTER]);
int ij=0;
for (int i=0; i<availY; i++) {
for (int j=0; j<availX; j++) {
int scaledPos=samplePos+(j*sampleZoom);
if (sample->isLoopable() && (scaledPos>=sample->loopStart && scaledPos<=sample->loopEnd)) {
data[i*availX+j]=bgColorLoop;
data[ij++]=bgColorLoop;
} else {
data[i*availX+j]=bgColor;
data[ij++]=bgColor;
}
}
}
@ -1143,11 +1146,15 @@ void FurnaceGUI::drawSampleEdit() {
for (unsigned int i=0; i<(unsigned int)availX; i++) {
if (xCoarse>=sample->samples) break;
int y1, y2;
int candMin=INT_MAX;
int candMax=INT_MIN;
int totalAdvance=0;
if (sample->depth==DIV_SAMPLE_DEPTH_8BIT) {
y1=((unsigned char)sample->data8[xCoarse]^0x80)*availY/256;
if (candMin>sample->data8[xCoarse]) candMin=sample->data8[xCoarse];
if (candMax<sample->data8[xCoarse]) candMax=sample->data8[xCoarse];
} else {
y1=((unsigned short)sample->data16[xCoarse]^0x8000)*availY/65536;
if (candMin>sample->data16[xCoarse]) candMin=sample->data16[xCoarse];
if (candMax<sample->data16[xCoarse]) candMax=sample->data16[xCoarse];
}
xFine+=xAdvanceFine;
if (xFine>=16777216) {
@ -1158,30 +1165,42 @@ void FurnaceGUI::drawSampleEdit() {
if (xCoarse>=sample->samples) break;
do {
if (sample->depth==DIV_SAMPLE_DEPTH_8BIT) {
y2=((unsigned char)sample->data8[xCoarse]^0x80)*availY/256;
if (candMin>sample->data8[xCoarse]) candMin=sample->data8[xCoarse];
if (candMax<sample->data8[xCoarse]) candMax=sample->data8[xCoarse];
} else {
y2=((unsigned short)sample->data16[xCoarse]^0x8000)*availY/65536;
}
if (y1>y2) {
y2^=y1;
y1^=y2;
y2^=y1;
}
if (y1<0) y1=0;
if (y1>=availY) y1=availY-1;
if (y2<0) y2=0;
if (y2>=availY) y2=availY-1;
const int s1=i+availX*(availY-y1-1);
const int s2=i+availX*(availY-y2-1);
for (int j=s2; j<=s1; j+=availX) {
data[j]=lineColor;
if (candMin>sample->data16[xCoarse]) candMin=sample->data16[xCoarse];
if (candMax<sample->data16[xCoarse]) candMax=sample->data16[xCoarse];
}
if (totalAdvance>0) xCoarse++;
} while ((totalAdvance--)>0);
if (sample->depth==DIV_SAMPLE_DEPTH_8BIT) {
y1=(((unsigned char)candMin^0x80)*availY)>>8;
y2=(((unsigned char)candMax^0x80)*availY)>>8;
} else {
y1=(((unsigned short)candMin^0x8000)*availY)>>16;
y2=(((unsigned short)candMax^0x8000)*availY)>>16;
}
if (y1>y2) {
y2^=y1;
y1^=y2;
y2^=y1;
}
if (y1<0) y1=0;
if (y1>=availY) y1=availY-1;
if (y2<0) y2=0;
if (y2>=availY) y2=availY-1;
const int s1=i+availX*(availY-y1-1);
const int s2=i+availX*(availY-y2-1);
for (int j=s2; j<=s1; j+=availX) {
data[j]=lineColor;
}
}
memcpy(dataT,data,sampleTexW*sampleTexH*sizeof(unsigned int));
SDL_UnlockTexture(sampleTex);
delete[] data;
}
updateSampleTex=false;
}