diff options
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_info.c | 2 | ||||
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 17 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_shader_tokens.h | 7 |
3 files changed, 24 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_info.c b/src/gallium/auxiliary/tgsi/tgsi_info.c index b270dd7..46b296f 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_info.c +++ b/src/gallium/auxiliary/tgsi/tgsi_info.c @@ -149,7 +149,7 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] = { 1, 2, 0, 0, 0, 0, 0, COMP, "FSGE", TGSI_OPCODE_FSGE }, { 1, 2, 0, 0, 0, 0, 0, COMP, "FSLT", TGSI_OPCODE_FSLT }, { 1, 2, 0, 0, 0, 0, 0, COMP, "FSNE", TGSI_OPCODE_FSNE }, - { 0, 1, 0, 0, 0, 0, 1, NONE, "", 112 }, /* removed */ + { 0, 1, 0, 0, 0, 0, 0, OTHR, "MEMBAR", TGSI_OPCODE_MEMBAR }, { 0, 1, 0, 0, 0, 0, 0, NONE, "CALLNZ", TGSI_OPCODE_CALLNZ }, { 0, 1, 0, 0, 0, 0, 0, NONE, "", 114 }, /* removed */ { 0, 1, 0, 0, 0, 0, 0, NONE, "BREAKC", TGSI_OPCODE_BREAKC }, diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 7810a3e..489cbb0 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -2372,6 +2372,23 @@ programs. the program. Results are unspecified if any of the remaining threads terminates or never reaches an executed BARRIER instruction. +.. opcode:: MEMBAR - Memory barrier + + ``MEMBAR type`` + + This opcode waits for the completion of all memory accesses based on + the type passed in. The type is an immediate bitfield with the following + meaning: + + Bit 0: Shader storage buffers + Bit 1: Atomic buffers + Bit 2: Images + Bit 3: Shared memory + Bit 4: Thread group + + These may be passed in in any combination. An implementation is free to not + distinguish between these as it sees fit. However these map to all the + possibilities made available by GLSL. .. _atomopcodes: diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h index f300207..6539017 100644 --- a/src/gallium/include/pipe/p_shader_tokens.h +++ b/src/gallium/include/pipe/p_shader_tokens.h @@ -420,7 +420,7 @@ struct tgsi_property_data { #define TGSI_OPCODE_FSLT 110 #define TGSI_OPCODE_FSNE 111 - /* gap */ +#define TGSI_OPCODE_MEMBAR 112 #define TGSI_OPCODE_CALLNZ 113 /* gap */ #define TGSI_OPCODE_BREAKC 115 @@ -744,6 +744,11 @@ struct tgsi_instruction_memory unsigned Padding : 29; }; +#define TGSI_MEMBAR_SHADER_BUFFER (1 << 0) +#define TGSI_MEMBAR_ATOMIC_BUFFER (1 << 1) +#define TGSI_MEMBAR_SHADER_IMAGE (1 << 2) +#define TGSI_MEMBAR_SHARED (1 << 3) +#define TGSI_MEMBAR_THREAD_GROUP (1 << 4) #ifdef __cplusplus } |