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-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_info.c3
-rw-r--r--src/gallium/docs/source/tgsi.rst12
-rw-r--r--src/gallium/include/pipe/p_shader_tokens.h1
3 files changed, 14 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_info.c b/src/gallium/auxiliary/tgsi/tgsi_info.c
index fb29ea0d53d..3b40c3de97d 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_info.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_info.c
@@ -141,7 +141,7 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =
{ 0, 0, 0, 1, 1, 0, NONE, "ENDLOOP", TGSI_OPCODE_ENDLOOP },
{ 0, 0, 0, 0, 1, 0, NONE, "ENDSUB", TGSI_OPCODE_ENDSUB },
{ 1, 1, 1, 0, 0, 0, OTHR, "TXQ_LZ", TGSI_OPCODE_TXQ_LZ },
- { 0, 0, 0, 0, 0, 0, NONE, "", 104 }, /* removed */
+ { 1, 1, 1, 0, 0, 0, OTHR, "TXQS", TGSI_OPCODE_TXQS },
{ 0, 0, 0, 0, 0, 0, NONE, "", 105 }, /* removed */
{ 0, 0, 0, 0, 0, 0, NONE, "", 106 }, /* removed */
{ 0, 0, 0, 0, 0, 0, NONE, "NOP", TGSI_OPCODE_NOP },
@@ -331,6 +331,7 @@ tgsi_opcode_infer_type( uint opcode )
case TGSI_OPCODE_SAD: /* XXX some src args may be signed for SAD ? */
case TGSI_OPCODE_TXQ:
case TGSI_OPCODE_TXQ_LZ:
+ case TGSI_OPCODE_TXQS:
case TGSI_OPCODE_F2U:
case TGSI_OPCODE_UDIV:
case TGSI_OPCODE_UMAD:
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 314c9ca8fa2..314fe1bb74f 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -960,7 +960,6 @@ XXX doesn't look like most of the opcodes really belong here.
For components which don't return a resource dimension, their value
is undefined.
-
.. math::
lod = src0.x
@@ -973,6 +972,17 @@ XXX doesn't look like most of the opcodes really belong here.
dst.w = texture\_levels(unit)
+
+.. opcode:: TXQS - Texture Samples Query
+
+ This retrieves the number of samples in the texture, and stores it
+ into the x component. The other components are undefined.
+
+.. math::
+
+ dst.x = texture\_samples(unit)
+
+
.. opcode:: TG4 - Texture Gather
As per ARB_texture_gather, gathers the four texels to be used in a bi-linear
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index 6e07b2c5c7c..b36e0a35b8d 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -402,6 +402,7 @@ struct tgsi_property_data {
#define TGSI_OPCODE_ENDLOOP 101
#define TGSI_OPCODE_ENDSUB 102
#define TGSI_OPCODE_TXQ_LZ 103 /* TXQ for mipmap level 0 */
+#define TGSI_OPCODE_TXQS 104
/* gap */
#define TGSI_OPCODE_NOP 107