Mesa (master): gallium: add TGSI_SEMANTIC_VIEWPORT_MASK

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Module: Mesa
Branch: master
Commit: 17308c10141aa54ebf9e595920297888edf6146e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=17308c10141aa54ebf9e595920297888edf6146e

Author: Ilia Mirkin <imirkin at alum.mit.edu>
Date:   Fri Apr 10 23:43:29 2020 -0400

gallium: add TGSI_SEMANTIC_VIEWPORT_MASK

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4529>

---

 src/gallium/auxiliary/tgsi/tgsi_strings.c  | 1 +
 src/gallium/docs/source/tgsi.rst           | 7 +++++++
 src/gallium/include/pipe/p_shader_tokens.h | 1 +
 3 files changed, 9 insertions(+)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_strings.c b/src/gallium/auxiliary/tgsi/tgsi_strings.c
index 558c33e5f89..6b637f1f811 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_strings.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_strings.c
@@ -109,6 +109,7 @@ const char *tgsi_semantic_names[TGSI_SEMANTIC_COUNT] =
    "SUBGROUP_LE_MASK",
    "SUBGROUP_LT_MASK",
    "CS_USER_DATA_AMD",
+   "VIEWPORT_MASK",
 };
 
 const char *tgsi_texture_names[TGSI_TEXTURE_COUNT] =
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 1e80edb8f07..bf2a508dce2 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -3526,6 +3526,13 @@ A bit mask of ``bit index < TGSI_SEMANTIC_SUBGROUP_INVOCATION``, i.e.
 ``(1 << subgroup_invocation) - 1`` in arbitrary precision arithmetic.
 
 
+TGSI_SEMANTIC_VIEWPORT_MASK
+"""""""""""""""""""""""""""
+
+A bit mask of viewports to broadcast the current primitive to. See
+GL_NV_viewport_array2 for more details.
+
+
 TGSI_SEMANTIC_TESS_DEFAULT_OUTER_LEVEL
 """"""""""""""""""""""""""""""""""""""
 
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index 5770eba0837..04a34f2bc9d 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -209,6 +209,7 @@ enum tgsi_semantic {
    TGSI_SEMANTIC_SUBGROUP_LE_MASK,
    TGSI_SEMANTIC_SUBGROUP_LT_MASK,
    TGSI_SEMANTIC_CS_USER_DATA_AMD,
+   TGSI_SEMANTIC_VIEWPORT_MASK,
    TGSI_SEMANTIC_TESS_DEFAULT_OUTER_LEVEL, /**< from set_tess_state */
    TGSI_SEMANTIC_TESS_DEFAULT_INNER_LEVEL, /**< from set_tess_state */
    TGSI_SEMANTIC_COUNT,       /**< number of semantic values */