meta: Don't hang on to program refcounts after metaops are done.

Fixes piglit ARB_shader_objects/clear-with-deleted.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=39577
Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index 9703475..b6e80d7 100644 (file)
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -740,6 +740,11 @@ _mesa_meta_end(struct gl_context *ctx)
 
       _mesa_reference_shader_program(ctx, &ctx->Shader.ActiveProgram,
                                     save->ActiveShader);
+
+      _mesa_reference_shader_program(ctx, &save->VertexShader, NULL);
+      _mesa_reference_shader_program(ctx, &save->GeometryShader, NULL);
+      _mesa_reference_shader_program(ctx, &save->FragmentShader, NULL);
+      _mesa_reference_shader_program(ctx, &save->ActiveShader, NULL);
    }
 
    if (state & MESA_META_STENCIL_TEST) {