diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt index d9eeb2676b4..97b74eb11d8 100644 --- a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt +++ b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt @@ -143,3 +143,57 @@ TGSI Instruction Specification dst.z = src0.z * src1.z + src2.z dst.w = src0.w * src1.w + src2.w + +1.2 GL_ATI_fragment_shader +--------------------------- + + +1.2.1 SUB - Subtract + + dst.x = src0.x - src1.x + dst.y = src0.y - src1.y + dst.z = src0.z - src1.z + dst.w = src0.w - src1.w + + +1.2.2 DOT3 - 3-component Dot Product + + Alias for DP3. + + +1.2.3 DOT4 - 4-component Dot Product + + Alias for DP4. + + +1.2.4 LERP - Linear Interpolate + + dst.x = src0.x * (src1.x - src2.x) + src2.x + dst.y = src0.y * (src1.y - src2.y) + src2.y + dst.z = src0.z * (src1.z - src2.z) + src2.z + dst.w = src0.w * (src1.w - src2.w) + src2.w + + +1.2.5 CND - Condition + + dst.x = (src2.x > 0.5) ? src0.x : src1.x + dst.y = (src2.y > 0.5) ? src0.y : src1.y + dst.z = (src2.z > 0.5) ? src0.z : src1.z + dst.w = (src2.w > 0.5) ? src0.w : src1.w + + +1.2.6 CND0 - Condition Zero + + dst.x = (src2.x >= 0.0) ? src0.x : src1.x + dst.y = (src2.y >= 0.0) ? src0.y : src1.y + dst.z = (src2.z >= 0.0) ? src0.z : src1.z + dst.w = (src2.w >= 0.0) ? src0.w : src1.w + + +1.2.7 DOT2ADD - 2-component Dot Product And Add + + dst.x = src0.x * src1.x + src0.y * src1.y + src2.x + dst.y = src0.x * src1.x + src0.y * src1.y + src2.x + dst.z = src0.x * src1.x + src0.y * src1.y + src2.x + dst.w = src0.x * src1.x + src0.y * src1.y + src2.x + |