diff -ru a/code/renderer/tr_shader.c b/code/renderer/tr_shader.c
--- a/code/renderer/tr_shader.c	2011-08-07 18:35:27.000000000 -0500
+++ b/code/renderer/tr_shader.c	2011-08-07 18:39:31.000000000 -0500
@@ -2421,6 +2421,11 @@
 		return qfalse;
 	}
 
+	if (stages[0].bundle[0].imageAnimationSpeed && stages[0].bundle[0].numImageAnimations > 1) {
+		// animmap doesn't work correctly with GLSL
+		return qfalse;
+	}
+
 	if( !GLSLversion ) {
 		const char *GLSLString = (const char *)glGetString( GL_SHADING_LANGUAGE_VERSION_ARB );
 		int major, minor;
@@ -2820,6 +2825,20 @@
 	if ( GLSLversion < 0x010a ) {
 		return qfalse;
 	}
+
+	if (shader.lightmapIndex == LIGHTMAP_MD3 && qglTexBufferEXT) {
+		// needs fsfTangents
+		fsFeatures |= fsfTangents;
+	}
+
+	// enable needed features
+	if ((fsFeatures & fsfTangents) && !GSidx) {
+		fsFeatures |= fsfVertex;
+		vsFeatures |= vsfTexCoord;
+	} else if (GSidx) {
+		vsFeatures |= vsfTexCoord;
+	}
+
 	VSText("#version 110\n"
 	       "\n");
 	//VSText("/*");VSText(shader.name);VSText("*/\n");
diff -ru a/code/sdl/sdl_glimp.c b/code/sdl/sdl_glimp.c
--- a/code/sdl/sdl_glimp.c	2011-08-07 18:35:28.000000000 -0500
+++ b/code/sdl/sdl_glimp.c	2011-08-07 18:39:23.000000000 -0500
@@ -1728,7 +1728,7 @@
 	}
 
 	// GL_EXT_texture_buffer_object, mandatory since OpenGL 3.0
-	if( !glGlobals.floatTextures || !r_ext_texture_buffer_object->integer ) {
+	if( !glGlobals.floatTextures || !r_ext_texture_buffer_object->integer || !qglProgramParameteriEXT) {
 		qglTexBufferEXT = NULL;
 		ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_buffer_object\n" );
 	} else if( GLversion >= 0x0300 ) {