Add support for GL_ANY_SAMPLES_PASSED_CONSERVATIVE query method

This is needed for fixing CTS:
  dEQP-GLES3.functional.occlusion_query.conservative*

Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>

src/gallium/include/pipe/p_defines.h

@@ -446,7 +446,8 @@ enum pipe_flush_flags {
 #define PIPE_QUERY_SO_OVERFLOW_PREDICATE 8
 #define PIPE_QUERY_GPU_FINISHED          9
 #define PIPE_QUERY_PIPELINE_STATISTICS  10
-#define PIPE_QUERY_TYPES                11
+#define PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE 11
+#define PIPE_QUERY_TYPES                12
 
 /* start of driver queries,
  * see pipe_screen::get_driver_query_info */

src/vrend_renderer.c

@@ -6343,6 +6343,9 @@ int vrend_create_query(struct vrend_context *ctx, uint32_t handle,
    case PIPE_QUERY_PRIMITIVES_EMITTED:
       q->gltype = GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN;
       break;
+   case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE:
+      q->gltype = GL_ANY_SAMPLES_PASSED_CONSERVATIVE;
+      break;
    default:
       fprintf(stderr,"unknown query object received %d\n", q->type);
       break;