More ui optimization

src/dusk/scene/scene.c

@@ -168,8 +168,12 @@ errorret_t sceneRender(void) {
   );
 
   errorChain(shaderBind(&SHADER_UNLIT));
-  errorChain(shaderSetMatrix(&SHADER_UNLIT, SHADER_UNLIT_MODEL, screenIdentity));
+  errorChain(shaderSetMatrix(
-  errorChain(shaderSetMatrix(&SHADER_UNLIT, SHADER_UNLIT_PROJECTION, screenProj));
+    &SHADER_UNLIT, SHADER_UNLIT_MODEL, screenIdentity
+  ));
+  errorChain(shaderSetMatrix(
+    &SHADER_UNLIT, SHADER_UNLIT_PROJECTION, screenProj
+  ));
   errorChain(shaderSetMatrix(&SHADER_UNLIT, SHADER_UNLIT_VIEW, screenView));
 
   errorChain(displaySetState((displaystate_t){

src/dusk/ui/widget/uislider.c

@@ -201,10 +201,11 @@ errorret_t uiSliderDraw(
 
   int32_t stepCount = uiSliderGetStepCount(slider);
   if(stepCount > 0 && stepCount < UI_SLIDER_STEP_MARKERS_MAX) {
+    spritebatchsprite_t markers[UI_SLIDER_STEP_MARKERS_MAX];
     for(int32_t i = 0; i <= stepCount; i++) {
       float_t markerX = trackX +
         UI_SLIDER_TRACK_WIDTH * (float_t)i / (float_t)stepCount;
-      spritebatchsprite_t markerSprite = {
+      markers[i] = (spritebatchsprite_t){
         .min = {
           markerX - UI_SLIDER_STEP_MARKER_WIDTH * 0.5f,
           trackY - UI_SLIDER_STEP_MARKER_OVERHANG,
@@ -218,16 +219,17 @@ errorret_t uiSliderDraw(
         .uvMin = { 0.0f, 0.0f },
         .uvMax = { 1.0f, 1.0f }
       };
-      shadermaterial_t markerMaterial = {
-        .unlit = {
-          .color = COLOR_WHITE,
-          .texture = &TEXTURE_WHITE
-        }
-      };
-      errorChain(
-        spriteBatchBuffer(&markerSprite, 1, &SHADER_UNLIT, markerMaterial)
-      );
     }
+
+    shadermaterial_t markerMaterial = {
+      .unlit = {
+        .color = COLOR_WHITE,
+        .texture = &TEXTURE_WHITE
+      }
+    };
+    errorChain(
+      spriteBatchBuffer(markers, stepCount + 1, &SHADER_UNLIT, markerMaterial)
+    );
   }
 
   errorChain(uiWidgetLabelDraw(