diff options
| author | Dave Airlie <[email protected]> | 2010-10-06 09:28:46 +1000 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2010-10-13 09:30:02 +1000 |
| commit | 4ecb2c105da590abf79421a06234b636cd1afcd6 (patch) | |
| tree | 835d8e723f20687b8e11730e6828d7437321d16c /src/gallium/auxiliary/tgsi | |
| parent | 43873b53c4d15f10f0321c770b1b8bd537cc226d (diff) | |
gallium/tgsi: add support for stencil writes.
this adds the capability + a stencil semantic id, + tgsi scan support.
Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/gallium/auxiliary/tgsi')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_dump.c | 3 | ||||
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_scan.c | 8 | ||||
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_scan.h | 1 |
3 files changed, 8 insertions, 4 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c b/src/gallium/auxiliary/tgsi/tgsi_dump.c index 9b61797ace9..77bde86684e 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_dump.c +++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c @@ -126,7 +126,8 @@ static const char *semantic_names[] = "FACE", "EDGEFLAG", "PRIM_ID", - "INSTANCEID" + "INSTANCEID", + "STENCIL" }; static const char *immediate_type_names[] = diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c index 90198a4f604..538274887b9 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_scan.c +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c @@ -157,9 +157,11 @@ tgsi_scan_shader(const struct tgsi_token *tokens, /* extra info for special outputs */ if (procType == TGSI_PROCESSOR_FRAGMENT && - fulldecl->Semantic.Name == TGSI_SEMANTIC_POSITION) { - info->writes_z = TRUE; - } + fulldecl->Semantic.Name == TGSI_SEMANTIC_POSITION) + info->writes_z = TRUE; + if (procType == TGSI_PROCESSOR_FRAGMENT && + fulldecl->Semantic.Name == TGSI_SEMANTIC_STENCIL) + info->writes_stencil = TRUE; if (procType == TGSI_PROCESSOR_VERTEX && fulldecl->Semantic.Name == TGSI_SEMANTIC_EDGEFLAG) { info->writes_edgeflag = TRUE; diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h b/src/gallium/auxiliary/tgsi/tgsi_scan.h index f8aa90cf065..374c7ed551d 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_scan.h +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h @@ -60,6 +60,7 @@ struct tgsi_shader_info uint opcode_count[TGSI_OPCODE_LAST]; /**< opcode histogram */ boolean writes_z; /**< does fragment shader write Z value? */ + boolean writes_stencil; /**< does fragment shader write stencil value? */ boolean writes_edgeflag; /**< vertex shader outputs edgeflag */ boolean uses_kill; /**< KIL or KILP instruction used? */ |