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authorDave Airlie <airlied@redhat.com>2015-11-30 16:01:31 +1000
committerDave Airlie <airlied@redhat.com>2015-12-07 09:59:02 +1000
commit33404f141551d0ace00101e78f9b2d93cad135f1 (patch)
tree3a6f8407b8d3cf9cd6137d028de8e33065e00b23
parenta2885d9cf902071d1c8a61a2906017462cf7bd0e (diff)
r600: enable tessellation for evergreen/cayman (v2)
This enables tessellation for evergreen/cayman, This will need changes before committing depending on what hw works etc. working are CAYMAN/REDWOOD/BARTS/TURKS/SUMO/CAICOS v2: only enable on evergreen and above.
-rw-r--r--src/gallium/drivers/r600/r600_pipe.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index 3bebd033105..bc1a29d1470 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -343,7 +343,6 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_USER_VERTEX_BUFFERS:
case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
case PIPE_CAP_VERTEXID_NOBASE:
- case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
case PIPE_CAP_DEPTH_BOUNDS_TEST:
case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
case PIPE_CAP_SHAREABLE_SHADERS:
@@ -351,6 +350,11 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_CLEAR_TEXTURE:
return 0;
+ case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
+ if (family >= CHIP_CEDAR)
+ return 30;
+ else
+ return 0;
/* Stream output. */
case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
return rscreen->b.has_streamout ? 4 : 0;
@@ -446,6 +450,10 @@ static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, e
if (rscreen->b.info.drm_minor >= 37)
break;
return 0;
+ case PIPE_SHADER_TESS_CTRL:
+ case PIPE_SHADER_TESS_EVAL:
+ if (rscreen->b.family >= CHIP_CEDAR)
+ break;
default:
/* XXX: support tessellation on Evergreen */
return 0;