diff options
Diffstat (limited to 'src/gallium/docs/source/tgsi.rst')
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 92 |
1 files changed, 76 insertions, 16 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 949ad89e929..41f2798d704 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -512,13 +512,13 @@ This instruction replicates its result. .. math:: - dst.x = (src0.x == src1.x) ? 1 : 0 + dst.x = (src0.x == src1.x) ? 1.0F : 0.0F - dst.y = (src0.y == src1.y) ? 1 : 0 + dst.y = (src0.y == src1.y) ? 1.0F : 0.0F - dst.z = (src0.z == src1.z) ? 1 : 0 + dst.z = (src0.z == src1.z) ? 1.0F : 0.0F - dst.w = (src0.w == src1.w) ? 1 : 0 + dst.w = (src0.w == src1.w) ? 1.0F : 0.0F .. opcode:: SFL - Set On False @@ -538,13 +538,13 @@ This instruction replicates its result. .. math:: - dst.x = (src0.x > src1.x) ? 1 : 0 + dst.x = (src0.x > src1.x) ? 1.0F : 0.0F - dst.y = (src0.y > src1.y) ? 1 : 0 + dst.y = (src0.y > src1.y) ? 1.0F : 0.0F - dst.z = (src0.z > src1.z) ? 1 : 0 + dst.z = (src0.z > src1.z) ? 1.0F : 0.0F - dst.w = (src0.w > src1.w) ? 1 : 0 + dst.w = (src0.w > src1.w) ? 1.0F : 0.0F .. opcode:: SIN - Sine @@ -560,26 +560,26 @@ This instruction replicates its result. .. math:: - dst.x = (src0.x <= src1.x) ? 1 : 0 + dst.x = (src0.x <= src1.x) ? 1.0F : 0.0F - dst.y = (src0.y <= src1.y) ? 1 : 0 + dst.y = (src0.y <= src1.y) ? 1.0F : 0.0F - dst.z = (src0.z <= src1.z) ? 1 : 0 + dst.z = (src0.z <= src1.z) ? 1.0F : 0.0F - dst.w = (src0.w <= src1.w) ? 1 : 0 + dst.w = (src0.w <= src1.w) ? 1.0F : 0.0F .. opcode:: SNE - Set On Not Equal .. math:: - dst.x = (src0.x != src1.x) ? 1 : 0 + dst.x = (src0.x != src1.x) ? 1.0F : 0.0F - dst.y = (src0.y != src1.y) ? 1 : 0 + dst.y = (src0.y != src1.y) ? 1.0F : 0.0F - dst.z = (src0.z != src1.z) ? 1 : 0 + dst.z = (src0.z != src1.z) ? 1.0F : 0.0F - dst.w = (src0.w != src1.w) ? 1 : 0 + dst.w = (src0.w != src1.w) ? 1.0F : 0.0F .. opcode:: STR - Set On True @@ -1325,6 +1325,21 @@ Support for these opcodes indicated by PIPE_SHADER_CAP_INTEGERS (all of them?) +.. opcode:: FSLT - Float Set On Less Than (ordered) + + Same comparison as SLT but returns integer instead of 1.0/0.0 float + +.. math:: + + dst.x = (src0.x < src1.x) ? ~0 : 0 + + dst.y = (src0.y < src1.y) ? ~0 : 0 + + dst.z = (src0.z < src1.z) ? ~0 : 0 + + dst.w = (src0.w < src1.w) ? ~0 : 0 + + .. opcode:: ISLT - Signed Integer Set On Less Than .. math:: @@ -1351,6 +1366,21 @@ Support for these opcodes indicated by PIPE_SHADER_CAP_INTEGERS (all of them?) dst.w = (src0.w < src1.w) ? ~0 : 0 +.. opcode:: FSGE - Float Set On Greater Equal Than (ordered) + + Same comparison as SGE but returns integer instead of 1.0/0.0 float + +.. math:: + + dst.x = (src0.x >= src1.x) ? ~0 : 0 + + dst.y = (src0.y >= src1.y) ? ~0 : 0 + + dst.z = (src0.z >= src1.z) ? ~0 : 0 + + dst.w = (src0.w >= src1.w) ? ~0 : 0 + + .. opcode:: ISGE - Signed Integer Set On Greater Equal Than .. math:: @@ -1377,6 +1407,21 @@ Support for these opcodes indicated by PIPE_SHADER_CAP_INTEGERS (all of them?) dst.w = (src0.w >= src1.w) ? ~0 : 0 +.. opcode:: FSEQ - Float Set On Equal (ordered) + + Same comparison as SEQ but returns integer instead of 1.0/0.0 float + +.. math:: + + dst.x = (src0.x == src1.x) ? ~0 : 0 + + dst.y = (src0.y == src1.y) ? ~0 : 0 + + dst.z = (src0.z == src1.z) ? ~0 : 0 + + dst.w = (src0.w == src1.w) ? ~0 : 0 + + .. opcode:: USEQ - Integer Set On Equal .. math:: @@ -1390,6 +1435,21 @@ Support for these opcodes indicated by PIPE_SHADER_CAP_INTEGERS (all of them?) dst.w = (src0.w == src1.w) ? ~0 : 0 +.. opcode:: FSNE - Float Set On Not Equal (unordered) + + Same comparison as SNE but returns integer instead of 1.0/0.0 float + +.. math:: + + dst.x = (src0.x != src1.x) ? ~0 : 0 + + dst.y = (src0.y != src1.y) ? ~0 : 0 + + dst.z = (src0.z != src1.z) ? ~0 : 0 + + dst.w = (src0.w != src1.w) ? ~0 : 0 + + .. opcode:: USNE - Integer Set On Not Equal .. math:: |