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-rw-r--r--indra/newview/llfloaterregioninfo.cpp29
-rw-r--r--indra/newview/skins/default/xui/en/notifications.xml26
2 files changed, 54 insertions, 1 deletions
diff --git a/indra/newview/llfloaterregioninfo.cpp b/indra/newview/llfloaterregioninfo.cpp
index 2ed0e4195a..f7a8826400 100644
--- a/indra/newview/llfloaterregioninfo.cpp
+++ b/indra/newview/llfloaterregioninfo.cpp
@@ -1330,7 +1330,7 @@ BOOL LLPanelRegionTerrainInfo::validateTextureSizes()
if (!texture_ctrl) continue;
LLUUID image_asset_id = texture_ctrl->getImageAssetID();
- LLViewerTexture* img = LLViewerTextureManager::getFetchedTexture(image_asset_id);
+ LLViewerFetchedTexture* img = LLViewerTextureManager::getFetchedTexture(image_asset_id);
S32 components = img->getComponents();
// Must ask for highest resolution version's width. JC
S32 width = img->getFullWidth();
@@ -1348,6 +1348,33 @@ BOOL LLPanelRegionTerrainInfo::validateTextureSizes()
return FALSE;
}
+ if (components == 4)
+ {
+ if (!img->hasSavedRawImage())
+ {
+ // Raw image isn't loaded yet
+ // Assume it's invalid due to presence of alpha channel
+ LLSD args;
+ args["TEXTURE_NUM"] = i+1;
+ args["TEXTURE_BIT_DEPTH"] = llformat("%d",components * 8);
+ LLNotificationsUtil::add("InvalidTerrainAlphaNotFullyLoaded", args);
+ return FALSE;
+ }
+ // Slower path: Calculate alpha from raw image pixels (not needed
+ // for GLTF materials, which use alphaMode to determine
+ // transparency)
+ // Raw image is pretty much guaranteed to be saved due to the texture swatches
+ LLImageRaw* raw = img->getSavedRawImage();
+ if (raw->checkHasTransparentPixels())
+ {
+ LLSD args;
+ args["TEXTURE_NUM"] = i+1;
+ LLNotificationsUtil::add("InvalidTerrainAlpha", args);
+ return FALSE;
+ }
+ LL_WARNS() << "Terrain texture image in slot " << i << " with ID " << image_asset_id << " has alpha channel, but pixels are opaque. Is alpha being optimized away in the texture uploader?" << LL_ENDL;
+ }
+
if (width > max_terrain_texture_size || height > max_terrain_texture_size)
{
diff --git a/indra/newview/skins/default/xui/en/notifications.xml b/indra/newview/skins/default/xui/en/notifications.xml
index 1a6cadf43e..c1e6e7b9f0 100644
--- a/indra/newview/skins/default/xui/en/notifications.xml
+++ b/indra/newview/skins/default/xui/en/notifications.xml
@@ -4010,6 +4010,32 @@ Replace texture [TEXTURE_NUM] with an RGB [MAX_SIZE]x[MAX_SIZE] or smaller image
<notification
icon="alertmodal.tga"
+ name="InvalidTerrainAlphaNotFullyLoaded"
+ type="alertmodal">
+Couldn&apos;t set region textures:
+Terrain texture [TEXTURE_NUM] is not fully loaded, but is assumed to contain transparency due to a bit depth of [TEXTURE_BIT_DEPTH]. Transparency is not currently supported for terrain textures.
+
+If texture [TEXTURE_NUM] is opaque, wait for the texture to fully load and then click &quot;Apply&quot; again.
+
+Alpha is only supported for terrain materials (PBR Metallic Roughness), when alphaMode="MASK" and doubleSided=false.
+ <tag>fail</tag>
+ </notification>
+
+ <notification
+ icon="alertmodal.tga"
+ name="InvalidTerrainAlpha"
+ type="alertmodal">
+Couldn&apos;t set region textures:
+Terrain texture [TEXTURE_NUM] contains transparency. Transparency is not currently supported for terrain textures.
+
+Replace texture [TEXTURE_NUM] with an opaque RGB image, then click &quot;Apply&quot; again.
+
+Alpha is only supported for terrain materials (PBR Metallic Roughness), when alphaMode="MASK" and doubleSided=false.
+ <tag>fail</tag>
+ </notification>
+
+ <notification
+ icon="alertmodal.tga"
name="InvalidTerrainSize"
type="alertmodal">
Couldn&apos;t set region textures: