diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-08-19 12:06:20 -0400 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2010-08-19 12:06:20 -0400 |
| commit | 076c53879b90855ecf38602584f22e4ab6db7569 (patch) | |
| tree | 893120ffe32dee2b8465a9278ce91032c1aefd7a | |
| parent | c54dea66fd86f6000e334c703ea4890179c39c81 (diff) | |
r600g: update comments about ALU src operands
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 10 | ||||
| -rw-r--r-- | src/gallium/drivers/r600/r600_sq.h | 4 |
2 files changed, 12 insertions, 2 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 4d390f9f62e..455730320e4 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -362,9 +362,15 @@ int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *s shader->processor_type = ctx.type; /* register allocations */ - /* Values [0,127] correspond to GPR[0..127]. - * Values [256,511] correspond to cfile constants c[0..255]. + /* Values [0,127] correspond to GPR[0..127]. + * Values [128,159] correspond to constant buffer bank 0 + * Values [160,191] correspond to constant buffer bank 1 + * Values [256,511] correspond to cfile constants c[0..255]. * Other special values are shown in the list below. + * 244 ALU_SRC_1_DBL_L: special constant 1.0 double-float, LSW. (RV670+) + * 245 ALU_SRC_1_DBL_M: special constant 1.0 double-float, MSW. (RV670+) + * 246 ALU_SRC_0_5_DBL_L: special constant 0.5 double-float, LSW. (RV670+) + * 247 ALU_SRC_0_5_DBL_M: special constant 0.5 double-float, MSW. (RV670+) * 248 SQ_ALU_SRC_0: special constant 0.0. * 249 SQ_ALU_SRC_1: special constant 1.0 float. * 250 SQ_ALU_SRC_1_INT: special constant 1 integer. diff --git a/src/gallium/drivers/r600/r600_sq.h b/src/gallium/drivers/r600/r600_sq.h index da717783aab..819624e689b 100644 --- a/src/gallium/drivers/r600/r600_sq.h +++ b/src/gallium/drivers/r600/r600_sq.h @@ -584,6 +584,10 @@ #define C_SQ_TEX_WORD2_SRC_SEL_W 0x1FFFFFFF /* + * 244 ALU_SRC_1_DBL_L: special constant 1.0 double-float, LSW. (RV670+) + * 245 ALU_SRC_1_DBL_M: special constant 1.0 double-float, MSW. (RV670+) + * 246 ALU_SRC_0_5_DBL_L: special constant 0.5 double-float, LSW. (RV670+) + * 247 ALU_SRC_0_5_DBL_M: special constant 0.5 double-float, MSW. (RV670+) * 248 SQ_ALU_SRC_0: special constant 0.0. * 249 SQ_ALU_SRC_1: special constant 1.0 float. * 250 SQ_ALU_SRC_1_INT: special constant 1 integer. |