diff options
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 706383a0c73..ba844a2d26c 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -1076,7 +1076,12 @@ XXX wait what Double ISA ^^^^^^^^^^^^^^^ -.. opcode:: DADD - Add Double +The double-precision opcodes reinterpret four-component vectors into +two-component vectors with doubled precision in each component. + +Support for these opcodes is XXX undecided. :T + +.. opcode:: DADD - Add .. math:: @@ -1085,7 +1090,7 @@ Double ISA dst.zw = src0.zw + src1.zw -.. opcode:: DDIV - Divide Double +.. opcode:: DDIV - Divide .. math:: @@ -1093,7 +1098,7 @@ Double ISA dst.zw = src0.zw / src1.zw -.. opcode:: DSEQ - Set Double on Equal +.. opcode:: DSEQ - Set on Equal .. math:: @@ -1101,7 +1106,7 @@ Double ISA dst.zw = src0.zw == src1.zw ? 1.0F : 0.0F -.. opcode:: DSLT - Set Double on Less than +.. opcode:: DSLT - Set on Less than .. math:: @@ -1109,7 +1114,7 @@ Double ISA dst.zw = src0.zw < src1.zw ? 1.0F : 0.0F -.. opcode:: DFRAC - Double Fraction +.. opcode:: DFRAC - Fraction .. math:: @@ -1118,7 +1123,7 @@ Double ISA dst.zw = src.zw - \lfloor src.zw\rfloor -.. opcode:: DFRACEXP - Convert Double Number to Fractional and Integral Components +.. opcode:: DFRACEXP - Convert Number to Fractional and Integral Components .. math:: @@ -1126,7 +1131,7 @@ Double ISA dst0.zw = frexp(src.zw, dst1.zw) -.. opcode:: DLDEXP - Multiple Double Number by Integral Power of 2 +.. opcode:: DLDEXP - Multiple Number by Integral Power of 2 .. math:: @@ -1134,7 +1139,7 @@ Double ISA dst.zw = ldexp(src0.zw, src1.zw) -.. opcode:: DMIN - Minimum Double +.. opcode:: DMIN - Minimum .. math:: @@ -1142,7 +1147,7 @@ Double ISA dst.zw = min(src0.zw, src1.zw) -.. opcode:: DMAX - Maximum Double +.. opcode:: DMAX - Maximum .. math:: @@ -1150,7 +1155,7 @@ Double ISA dst.zw = max(src0.zw, src1.zw) -.. opcode:: DMUL - Multiply Double +.. opcode:: DMUL - Multiply .. math:: @@ -1159,7 +1164,7 @@ Double ISA dst.zw = src0.zw \times src1.zw -.. opcode:: DMAD - Multiply And Add Doubles +.. opcode:: DMAD - Multiply And Add .. math:: @@ -1168,7 +1173,7 @@ Double ISA dst.zw = src0.zw \times src1.zw + src2.zw -.. opcode:: DRCP - Reciprocal Double +.. opcode:: DRCP - Reciprocal .. math:: @@ -1176,7 +1181,7 @@ Double ISA dst.zw = \frac{1}{src.zw} -.. opcode:: DSQRT - Square root double +.. opcode:: DSQRT - Square Root .. math:: |