From: Marek Olšák <marek.olsak@amd.com>
Date: Thu, 1 Aug 2019 01:16:12 +0000 (-0400)
Subject: compiler: add ACCESS_STREAM_CACHE_POLICY
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9fb2fd0b433a47a6460668f3ecfae014cfacc5df;p=mesa.git

compiler: add ACCESS_STREAM_CACHE_POLICY

radeonsi will use this.

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
---

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 42ca6a41df8..440d4ec9e5e 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -1549,6 +1549,9 @@ static unsigned get_cache_policy(struct ac_nir_context *ctx,
 		cache_policy |= ac_glc;
 	}
 
+	if (access & ACCESS_STREAM_CACHE_POLICY)
+		cache_policy |= ac_slc;
+
 	return cache_policy;
 }
 
diff --git a/src/compiler/shader_enums.h b/src/compiler/shader_enums.h
index 5c6437749b8..d9eb290abf4 100644
--- a/src/compiler/shader_enums.h
+++ b/src/compiler/shader_enums.h
@@ -736,6 +736,9 @@ enum gl_access_qualifier
     * a lack of ACCESS_COHERENT and ACCESS_VOLATILE.
     */
    ACCESS_CAN_REORDER = (1 << 6),
+
+   /** Use as little cache space as possible. */
+   ACCESS_STREAM_CACHE_POLICY = (1 << 7),
 };
 
 /**