Mesa (master): gallium: add TGSI_PROPERTY_LAYER_VIEWPORT_RELATIVE
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Thu Apr 16 00:42:17 UTC 2020
Module: Mesa
Branch: master
Commit: 8f191e0c37356e684fa63db76174fdaee74b6982
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=8f191e0c37356e684fa63db76174fdaee74b6982
Author: Ilia Mirkin <imirkin at alum.mit.edu>
Date: Fri Apr 10 23:45:41 2020 -0400
gallium: add TGSI_PROPERTY_LAYER_VIEWPORT_RELATIVE
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 6b637f1f811..d6e8854a8b2 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_strings.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_strings.c
@@ -163,6 +163,7 @@ const char *tgsi_property_names[TGSI_PROPERTY_COUNT] =
"MUL_ZERO_WINS",
"VS_BLIT_SGPRS_AMD",
"CS_USER_DATA_COMPONENTS_AMD",
+ "LAYER_VIEWPORT_RELATIVE",
};
const char *tgsi_return_type_names[TGSI_RETURN_TYPE_COUNT] =
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index bf2a508dce2..fbf6869f885 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -3804,6 +3804,13 @@ When enabled, the input for TGSI_SEMANTIC_SAMPLEMASK will exclude samples
that have failed the depth/stencil tests. This is only valid when
FS_EARLY_DEPTH_STENCIL is also specified.
+LAYER_VIEWPORT_RELATIVE
+"""""""""""""""""""""""
+
+When enabled, the TGSI_SEMATNIC_LAYER output value is relative to the
+current viewport. This is especially useful in conjunction with
+TGSI_SEMANTIC_VIEWPORT_MASK.
+
Texture Sampling and Texture Formats
------------------------------------
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index 04a34f2bc9d..7c5828ca863 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -307,6 +307,7 @@ enum tgsi_property_name {
TGSI_PROPERTY_MUL_ZERO_WINS,
TGSI_PROPERTY_VS_BLIT_SGPRS_AMD,
TGSI_PROPERTY_CS_USER_DATA_COMPONENTS_AMD,
+ TGSI_PROPERTY_LAYER_VIEWPORT_RELATIVE,
TGSI_PROPERTY_COUNT,
};
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