Stefan Dösinger : wined3d: Add a comment about D3DSAMP_MAXMIPLEVEL.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: eafc00e1731757010e8ec39a82093eddd34ed1fc
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=eafc00e1731757010e8ec39a82093eddd34ed1fc

Author: Stefan Dösinger <stefan at codeweavers.com>
Date:   Sun Aug 30 17:46:38 2009 +0200

wined3d: Add a comment about D3DSAMP_MAXMIPLEVEL.

---

 dlls/wined3d/basetexture.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/dlls/wined3d/basetexture.c b/dlls/wined3d/basetexture.c
index 9633e01..a36d993 100644
--- a/dlls/wined3d/basetexture.c
+++ b/dlls/wined3d/basetexture.c
@@ -432,6 +432,10 @@ void basetexture_apply_state_changes(IWineD3DBaseTexture *iface,
             } else {
                 glValue = states[WINED3DTEXSTA_MAXMIPLEVEL];
             }
+            /* Note that D3DSAMP_MAXMIPLEVEL specifies the biggest mipmap(default 0), while
+             * GL_TEXTURE_MAX_LEVEL specifies the smallest mimap used(default 1000).
+             * So D3DSAMP_MAXMIPLEVEL is the same as GL_TEXTURE_BASE_LEVEL.
+             */
             glTexParameteri(textureDimensions, GL_TEXTURE_BASE_LEVEL, glValue);
         }
     }