meta: Actually use mipmapping when generating mipmaps.

With the change to not reset baselevel, this GL_LINEAR filtering was
resulting in generating mipmaps off of the base level instead of the
next higher detail level.  Fixes fbo-generatemipmap-filtering.

Reported by: Neil Roberts <neil@linux.intel.com>

diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index 3e699912bb44b0a80e8108443d999488aebc6353..fd12e4d0a667344d682e1c94d562cafc331ba1ce 100644 (file)
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -2319,7 +2319,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
    }
    _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, mipmap->FBO);
 
-   _mesa_TexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   _mesa_TexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
    _mesa_TexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    _mesa_TexParameteri(target, GL_GENERATE_MIPMAP, GL_FALSE);
    _mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);