diff options
Diffstat (limited to 'indra/newview/llpanelface.h')
| -rwxr-xr-x | indra/newview/llpanelface.h | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/indra/newview/llpanelface.h b/indra/newview/llpanelface.h index 834ad9e14c..b684881225 100755 --- a/indra/newview/llpanelface.h +++ b/indra/newview/llpanelface.h @@ -255,7 +255,26 @@ private: // Determine correct alpha mode for current diffuse texture // (i.e. does it have an alpha channel that makes alpha mode useful) // - U8 default_alpha_mode = (_panel->isAlpha() ? LLMaterial::DIFFUSE_ALPHA_MODE_BLEND : LLMaterial::DIFFUSE_ALPHA_MODE_NONE); + // _panel->isAlpha() "lies" when one face has alpha and the rest do not (NORSPEC-329) + // need to get per-face answer to this question for sane alpha mode retention on updates. + // + bool is_alpha_face = object->isImageAlphaBlended(face); + + // need to keep this original answer for valid comparisons in logic below + // + U8 original_default_alpha_mode = is_alpha_face ? LLMaterial::DIFFUSE_ALPHA_MODE_BLEND : LLMaterial::DIFFUSE_ALPHA_MODE_NONE; + + U8 default_alpha_mode = original_default_alpha_mode; + + if (!current_material.isNull()) + { + default_alpha_mode = current_material->getDiffuseAlphaMode(); + } + + // Insure we don't inherit the default of blend by accident... + // this will be stomped by a legit request to change the alpha mode by the apply() below + // + new_material->setDiffuseAlphaMode(default_alpha_mode); // Do "It"! // @@ -265,7 +284,13 @@ private: LLUUID new_normal_map_id = new_material->getNormalID(); LLUUID new_spec_map_id = new_material->getSpecularID(); - bool is_default_blend_mode = (new_alpha_mode == default_alpha_mode); + if ((new_alpha_mode == LLMaterial::DIFFUSE_ALPHA_MODE_BLEND) && !is_alpha_face) + { + new_alpha_mode = LLMaterial::DIFFUSE_ALPHA_MODE_NONE; + new_material->setDiffuseAlphaMode(LLMaterial::DIFFUSE_ALPHA_MODE_NONE); + } + + bool is_default_blend_mode = (new_alpha_mode == original_default_alpha_mode); bool is_need_material = !is_default_blend_mode || !new_normal_map_id.isNull() || !new_spec_map_id.isNull(); if (!is_need_material) |