diff options
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_info.c | 2 | ||||
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 14 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_shader_tokens.h | 2 |
3 files changed, 16 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_info.c b/src/gallium/auxiliary/tgsi/tgsi_info.c index ae6a4993249..5a6a9bcdcd1 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_info.c +++ b/src/gallium/auxiliary/tgsi/tgsi_info.c @@ -70,7 +70,7 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] = { 1, 2, 0, 0, 0, 0, 0, REPL, "POW", TGSI_OPCODE_POW }, { 1, 2, 0, 0, 0, 0, 0, COMP, "XPD", TGSI_OPCODE_XPD }, { 1, 1, 0, 0, 0, 0, 0, COMP, "U2I64", TGSI_OPCODE_U2I64 }, - { 1, 1, 0, 0, 0, 0, 0, COMP, "", 33 }, /* removed */ + { 1, 0, 0, 0, 0, 0, 0, OTHR, "CLOCK", TGSI_OPCODE_CLOCK }, { 1, 1, 0, 0, 0, 0, 0, COMP, "I2I64", TGSI_OPCODE_I2I64 }, { 1, 2, 0, 0, 0, 0, 0, REPL, "DPH", TGSI_OPCODE_DPH }, { 1, 1, 0, 0, 0, 0, 0, REPL, "COS", TGSI_OPCODE_COS }, diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 9976875c7bd..05b06ce6f1e 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -1038,6 +1038,20 @@ XXX doesn't look like most of the opcodes really belong here. dst.xy = lodq(uint, coord); +.. opcode:: CLOCK - retrieve the current shader time + + Invoking this instruction multiple times in the same shader should + cause monotonically increasing values to be returned. The values + are implicitly 64-bit, so if fewer than 64 bits of precision are + available, to provide expected wraparound semantics, the value + should be shifted up so that the most significant bit of the time + is the most significant bit of the 64-bit value. + +.. math:: + + dst.xy = clock() + + Integer ISA ^^^^^^^^^^^^^^^^^^^^^^^^ These opcodes are used for integer operations. diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h index 6a3fb9876b8..8c08f27a34e 100644 --- a/src/gallium/include/pipe/p_shader_tokens.h +++ b/src/gallium/include/pipe/p_shader_tokens.h @@ -362,7 +362,7 @@ struct tgsi_property_data { #define TGSI_OPCODE_POW 30 #define TGSI_OPCODE_XPD 31 #define TGSI_OPCODE_U2I64 32 -/* gap */ +#define TGSI_OPCODE_CLOCK 33 #define TGSI_OPCODE_I2I64 34 #define TGSI_OPCODE_DPH 35 #define TGSI_OPCODE_COS 36 |