diff options
| -rw-r--r-- | src/mesa/state_tracker/st_cb_texture.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c index 21f67659c0d..ff0f1a2efa6 100644 --- a/src/mesa/state_tracker/st_cb_texture.c +++ b/src/mesa/state_tracker/st_cb_texture.c @@ -525,6 +525,17 @@ allocate_full_mipmap(const struct st_texture_object *stObj, if (stImage->base.Level > 0 || stObj->base.GenerateMipmap) return TRUE; + /* If the application has explicitly called glTextureParameter to set + * GL_TEXTURE_MAX_LEVEL, such that (max - base) > 0, then they're trying + * to communicate that they will have multiple miplevels. + * + * Core Mesa will initialize MaxLevel to value much larger than + * MAX_TEXTURE_LEVELS, so we check that to see if it's been set at all. + */ + if (stObj->base.MaxLevel < MAX_TEXTURE_LEVELS && + stObj->base.MaxLevel - stObj->base.BaseLevel > 0) + return TRUE; + if (stImage->base._BaseFormat == GL_DEPTH_COMPONENT || stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) /* depth/stencil textures are seldom mipmapped */ |