added new graph style

example/perf.c

@@ -125,6 +125,15 @@ void renderGraph(NVGcontext* vg, float x, float y, PerfGraph* fps)
 			vy = y + h - ((v / 80.0f) * h);
 			nvgLineTo(vg, vx, vy);
 		}
+	} else if (fps->style == GRAPH_RENDER_PERCENT) {
+		for (i = 0; i < GRAPH_HISTORY_COUNT; i++) {
+			float v = fps->values[(fps->head+i) % GRAPH_HISTORY_COUNT] * 1.0f;
+			float vx, vy;
+			if (v > 100.0f) v = 100.0f;
+			vx = x + ((float)i/(GRAPH_HISTORY_COUNT-1)) * w;
+			vy = y + h - ((v / 100.0f) * h);
+			nvgLineTo(vg, vx, vy);
+		}
 	} else {
 		for (i = 0; i < GRAPH_HISTORY_COUNT; i++) {
 			float v = fps->values[(fps->head+i) % GRAPH_HISTORY_COUNT] * 1000.0f;
@@ -154,12 +163,19 @@ void renderGraph(NVGcontext* vg, float x, float y, PerfGraph* fps)
 		nvgFillColor(vg, nvgRGBA(240,240,240,255));
 		sprintf(str, "%.2f FPS", 1.0f / avg);
 		nvgText(vg, x+w-3,y+1, str, NULL);
-		
+
 		nvgFontSize(vg, 15.0f);
 		nvgTextAlign(vg,NVG_ALIGN_RIGHT|NVG_ALIGN_BOTTOM);
 		nvgFillColor(vg, nvgRGBA(240,240,240,160));
 		sprintf(str, "%.2f ms", avg * 1000.0f);
 		nvgText(vg, x+w-3,y+h-1, str, NULL);
+	}
+	else if (fps->style == GRAPH_RENDER_PERCENT) {
+		nvgFontSize(vg, 18.0f);
+		nvgTextAlign(vg,NVG_ALIGN_RIGHT|NVG_ALIGN_TOP);
+		nvgFillColor(vg, nvgRGBA(240,240,240,255));
+		sprintf(str, "%.1f %%", avg * 1.0f);
+		nvgText(vg, x+w-3,y+1, str, NULL);
 	} else {
 		nvgFontSize(vg, 18.0f);
 		nvgTextAlign(vg,NVG_ALIGN_RIGHT|NVG_ALIGN_TOP);

example/perf.h

@@ -10,6 +10,7 @@ extern "C" {
 enum GraphrenderStyle {
     GRAPH_RENDER_FPS,
     GRAPH_RENDER_MS,
+    GRAPH_RENDER_PERCENT,
 };
 
 #define GRAPH_HISTORY_COUNT 100