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[unity] Added an additional warning when Alpha Is Transparency is enabled at PMA textures, which causes incorrect light ghosting in transparent areas. See #1266.

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Harald Csaszar 2019-01-29 16:34:01 +01:00
parent ba57dc857a
commit 29ac3d9d67
1 changed files with 14 additions and 0 deletions
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14
spine-unity/Assets/Spine/Editor/spine-unity/Editor/SpineEditorUtilities.cs
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@ -167,6 +167,8 @@ namespace Spine.Unity.Editor {
public static string editorGUIPath = ""; public static string editorGUIPath = "";
public static bool initialized; public static bool initialized;
static int STRAIGHT_ALPHA_PARAM_ID = Shader.PropertyToID("_StraightAlphaInput");
// Preferences entry point // Preferences entry point
[PreferenceItem("Spine")] [PreferenceItem("Spine")]
static void PreferencesGUI () { static void PreferencesGUI () {
@ -270,6 +272,18 @@ namespace Spine.Unity.Editor {
if (texImporter.sRGBTexture && texImporter.mipmapEnabled) { if (texImporter.sRGBTexture && texImporter.mipmapEnabled) {
Debug.LogWarningFormat("`{0}` : Incorrect Texture Settings found: When enabling `Generate Mip Maps`, it is strongly recommended to disable `sRGB (Color Texture)`. Otherwise you will receive white border artifacts on an atlas exported with default `Premultiply alpha` settings.\n(You can disable this warning in `Edit - Preferences - Spine`)", texturePath); Debug.LogWarningFormat("`{0}` : Incorrect Texture Settings found: When enabling `Generate Mip Maps`, it is strongly recommended to disable `sRGB (Color Texture)`. Otherwise you will receive white border artifacts on an atlas exported with default `Premultiply alpha` settings.\n(You can disable this warning in `Edit - Preferences - Spine`)", texturePath);
} }
if (texImporter.alphaIsTransparency) {
int extensionPos = texturePath.LastIndexOf('.');
string materialPath = texturePath.Substring(0, extensionPos) + "_Material.mat";
Material material = AssetDatabase.LoadAssetAtPath<Material>(materialPath);
if (material != null) {
int straightAlphaValue = material.GetInt(STRAIGHT_ALPHA_PARAM_ID);
if (straightAlphaValue == 0) {
string materialName = System.IO.Path.GetFileName(materialPath);
Debug.LogWarningFormat("`{0}` and material `{1}` : Incorrect Texture / Material Settings found: It is strongly recommended to disable `Alpha Is Transparency` on `Premultiply alpha` textures.\nAssuming `Premultiply alpha` texture because `Straight Alpha Texture` is disabled at material). (You can disable this warning in `Edit - Preferences - Spine`)", texturePath, materialName);
}
}
}
return true; return true;
} }
#endregion #endregion