Mesa (master): r600g/compute: PIPE_CAP_COMPUTE should be false for pre-evergreen GPUs

[Tom Stellard]

Module: Mesa
Branch: master
Commit: f61e382f0afc48bc09f21c50639f760acca85bc5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f61e382f0afc48bc09f21c50639f760acca85bc5

Author: Tom Stellard <thomas.stellard at amd.com>
Date:   Mon Feb 24 16:51:05 2014 -0500

r600g/compute: PIPE_CAP_COMPUTE should be false for pre-evergreen GPUs

This prevents clover from using unsupported devices.

Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

CC: "10.0 10.1" <mesa-stable at lists.freedesktop.org>

---

 src/gallium/drivers/r600/r600_pipe.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index f2782e6..2fceb3c 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -348,7 +348,6 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 	case PIPE_CAP_USER_INDEX_BUFFERS:
 	case PIPE_CAP_USER_CONSTANT_BUFFERS:
-	case PIPE_CAP_COMPUTE:
 	case PIPE_CAP_START_INSTANCE:
 	case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 	case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
@@ -358,6 +357,9 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 		return 1;
 
+	case PIPE_CAP_COMPUTE:
+		return rscreen->b.chip_class > R700;
+
 	case PIPE_CAP_TGSI_TEXCOORD:
 		return 0;