Mesa (master): radeonsi: gate PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT by LLVM version

[Nicolai Hähnle]

Module: Mesa
Branch: master
Commit: 9e9a2bb44aa7b317919793f2320bd995ff373bbb
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9e9a2bb44aa7b317919793f2320bd995ff373bbb

Author: Nicolai Hähnle <nicolai.haehnle at amd.com>
Date:   Wed Apr 13 09:11:44 2016 -0500

radeonsi: gate PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT by LLVM version

Otherwise we incorrectly claim ARB_ssbo support even with older LLVM versions.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94917
Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>
Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>

---

 src/gallium/drivers/radeonsi/si_pipe.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 1dd7338..6a990ed 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -331,9 +331,10 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 
 	case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 	case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
-	case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 	case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 		return 4;
+	case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
+		return HAVE_LLVM >= 0x0309 ? 4 : 0;
 
 	case PIPE_CAP_GLSL_FEATURE_LEVEL:
 		return HAVE_LLVM >= 0x0309 ? 420 :