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r600g: update comments about ALU src operands

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This commit is contained in:
Alex Deucher
2010-08-19 12:06:20 -04:00
parent c54dea66fd
commit 076c53879b
2 changed files with 12 additions and 2 deletions
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src/gallium/drivers/r600/r600_shader.c
+8 -2
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@@ -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.
src/gallium/drivers/r600/r600_sq.h
+4
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@@ -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.