wined3d: Add a comment about D3DSAMP_MAXMIPLEVEL.

2009-08-30 17:46:38 +02:00 · 2009-08-30 17:46:38 +02:00 · eafc00e173
parent 531ec2267b
commit eafc00e173
1 changed files with 4 additions and 0 deletions
--- 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);
        }
    }