From 17fe3fa312d26db58b1c441519a92cd029e03727 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Sat, 6 Feb 2016 17:13:07 +0100 Subject: gallium: pass the robust buffer access context flag to drivers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit radeonsi will not do bounds checking for loads if this is not set. Reviewed-by: Nicolai Hähnle --- src/gallium/include/pipe/p_defines.h | 6 ++++++ src/mesa/state_tracker/st_manager.c | 6 +++++- 2 files changed, 11 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h index 800f16cd250..b01f6ea3dcb 100644 --- a/src/gallium/include/pipe/p_defines.h +++ b/src/gallium/include/pipe/p_defines.h @@ -348,6 +348,12 @@ enum pipe_flush_flags */ #define PIPE_CONTEXT_DEBUG (1 << 1) +/** + * Whether out-of-bounds shader loads must return zero and out-of-bounds + * shader stores must be dropped. + */ +#define PIPE_CONTEXT_ROBUST_BUFFER_ACCESS (1 << 2) + /** * Flags for pipe_context::memory_barrier. */ diff --git a/src/mesa/state_tracker/st_manager.c b/src/mesa/state_tracker/st_manager.c index c16fa0b0c72..84b65369d80 100644 --- a/src/mesa/state_tracker/st_manager.c +++ b/src/mesa/state_tracker/st_manager.c @@ -636,6 +636,7 @@ st_api_create_context(struct st_api *stapi, struct st_manager *smapi, struct pipe_context *pipe; struct gl_config mode; gl_api api; + unsigned ctx_flags = 0; if (!(stapi->profile_mask & (1 << attribs->profile))) return NULL; @@ -659,7 +660,10 @@ st_api_create_context(struct st_api *stapi, struct st_manager *smapi, break; } - pipe = smapi->screen->context_create(smapi->screen, NULL, 0); + if (attribs->flags & ST_CONTEXT_FLAG_ROBUST_ACCESS) + ctx_flags |= PIPE_CONTEXT_ROBUST_BUFFER_ACCESS; + + pipe = smapi->screen->context_create(smapi->screen, NULL, ctx_flags); if (!pipe) { *error = ST_CONTEXT_ERROR_NO_MEMORY; return NULL; -- cgit v1.2.3