From 4fdf42883f4a2361facafc196fe0210ecbb0f607 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 3 Feb 2012 11:09:39 -0700 Subject: [PATCH] gallium: added pipe_sampler_view_release() function Reviewed-by: Jose Fonseca --- src/gallium/auxiliary/util/u_inlines.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/src/gallium/auxiliary/util/u_inlines.h b/src/gallium/auxiliary/util/u_inlines.h index c90dc57073f..2fe680ff44c 100644 --- a/src/gallium/auxiliary/util/u_inlines.h +++ b/src/gallium/auxiliary/util/u_inlines.h @@ -135,6 +135,28 @@ pipe_sampler_view_reference(struct pipe_sampler_view **ptr, struct pipe_sampler_ *ptr = view; } +/** + * Similar to pipe_sampler_view_reference() but always set the pointer to + * NULL and pass in an explicit context. Passing an explicit context is a + * work-around for fixing a dangling context pointer problem when textures + * are shared by multiple contexts. XXX fix this someday. + */ +static INLINE void +pipe_sampler_view_release(struct pipe_context *ctx, + struct pipe_sampler_view **ptr) +{ + struct pipe_sampler_view *old_view = *ptr; + if (*ptr && (*ptr)->context != ctx) { + debug_printf_once(("context mis-match in pipe_sampler_view_release()\n")); + } + if (pipe_reference_described(&(*ptr)->reference, NULL, + (debug_reference_descriptor)debug_describe_sampler_view)) { + ctx->sampler_view_destroy(ctx, old_view); + } + *ptr = NULL; +} + + static INLINE void pipe_so_target_reference(struct pipe_stream_output_target **ptr, struct pipe_stream_output_target *target) -- 2.30.2