更新文档到 2.4.9-v1.0.0

extension/v1.0.0/service-pack-support/resources/sp/effects/multi-2d-universal.effect

@@ -33,6 +33,11 @@ CCProgram vs %{
   in vec4 a_color;
   out vec4 v_color;
 
+  #if USE_TINT
+  in vec4 a_color0;
+  out vec4 v_color0;
+  #endif
+
   #if USE_TEXTURE
   in vec2 a_uv0;
   out vec2 v_uv0;
@@ -63,6 +68,9 @@ CCProgram vs %{
     #endif
 
     v_color = a_color;
+    #if USE_TINT
+    v_color0 = a_color0;
+    #endif
 
     gl_Position = pos;
   }
@@ -77,6 +85,10 @@ CCProgram fs %{
 
   in vec4 v_color;
 
+  #if USE_TINT
+  in vec4 v_color0;
+  #endif
+
   #if USE_TEXTURE
   in vec2 v_uv0;
   uniform sampler2D texture;
@@ -121,10 +133,20 @@ CCProgram fs %{
       #endif
     #endif
 
-    o *= v_color;
+    #if USE_TINT
+      vec4 finalColor;
+      finalColor.a = v_color.a * o.a;
+      finalColor.rgb = ((o.a - 1.0) * v_color0.a + 1.0 - o.rgb) * v_color0.rgb + o.rgb * v_color.rgb;
 
-    ALPHA_TEST(o);
+      ALPHA_TEST(finalColor);
 
-    gl_FragColor = o;
+      gl_FragColor = finalColor;
+    #else
+      o *= v_color;
+
+      ALPHA_TEST(o);
+
+      gl_FragColor = o;
+    #endif
   }
 }%