On 06.02.2016 16:26, Marek Olšák wrote:
From: Marek Olšák <marek.ol...@amd.com>
radeonsi will not do bounds checking for loads if this is not set.
---
src/gallium/include/pipe/p_defines.h | 6 ++++++
src/mesa/state_tracker/st_manager.c | 6 +++++-
2 files changed, 11 insertions(+), 1 deletion(-)
Reviewed-by: Nicolai Hähnle <nicolai.haeh...@amd.com>
diff --git a/src/gallium/include/pipe/p_defines.h
b/src/gallium/include/pipe/p_defines.h
index 800f16c..b01f6ea 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -349,6 +349,12 @@ 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.
*/
#define PIPE_BARRIER_MAPPED_BUFFER (1 << 0)
diff --git a/src/mesa/state_tracker/st_manager.c
b/src/mesa/state_tracker/st_manager.c
index 385e26b..162810f 100644
--- a/src/mesa/state_tracker/st_manager.c
+++ b/src/mesa/state_tracker/st_manager.c
@@ -635,6 +635,7 @@ 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;
@@ -658,7 +659,10 @@ 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;
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