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-rw-r--r--src/gallium/docs/source/tgsi.rst9
-rw-r--r--src/gallium/include/pipe/p_defines.h3
-rw-r--r--src/gallium/include/pipe/p_shader_tokens.h2
3 files changed, 12 insertions, 2 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 548a9a39855..5f03f324535 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -89,6 +89,15 @@ This instruction replicates its result.
dst = \frac{1}{\sqrt{|src.x|}}
+.. opcode:: SQRT - Square Root
+
+This instruction replicates its result.
+
+.. math::
+
+ dst = {\sqrt{src.x}}
+
+
.. opcode:: EXP - Approximate Exponential Base 2
.. math::
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index d0db5e4bcee..fdf6e7fb17b 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -542,7 +542,8 @@ enum pipe_shader_cap
PIPE_SHADER_CAP_SUBROUTINES = 16, /* BGNSUB, ENDSUB, CAL, RET */
PIPE_SHADER_CAP_INTEGERS = 17,
PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS = 18,
- PIPE_SHADER_CAP_PREFERRED_IR = 19
+ PIPE_SHADER_CAP_PREFERRED_IR = 19,
+ PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED = 20
};
/**
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index 3fb12fb2c47..a9fb6aab989 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -275,7 +275,7 @@ struct tgsi_property_data {
#define TGSI_OPCODE_SUB 17
#define TGSI_OPCODE_LRP 18
#define TGSI_OPCODE_CND 19
- /* gap */
+#define TGSI_OPCODE_SQRT 20
#define TGSI_OPCODE_DP2A 21
/* gap */
#define TGSI_OPCODE_FRC 24