diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt | 145 | 
1 files changed, 145 insertions, 0 deletions
| diff --git a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt new file mode 100644 index 0000000000..d9eeb2676b --- /dev/null +++ b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt @@ -0,0 +1,145 @@ +TGSI Instruction Specification +============================== +============================== + + +1  Instruction Set Operations +============================= + + +1.1  GL_NV_vertex_program +------------------------- + + +1.1.1  ARL - Address Register Load + +  dst.x = floor(src.x) + + +1.1.2  MOV - Move + +  dst.x = src.x +  dst.y = src.y +  dst.z = src.z +  dst.w = src.w + + +1.1.3  LIT - Light Coefficients + +  dst.x = 1.0 +  dst.y = max(src.x, 0.0) +  dst.z = (src.x > 0.0) ? pow(max(src.y, 0.0), clamp(src.w, -128.0, 128.0)) : 0.0 +  dst.w = 1.0 + + +1.1.4  RCP - Reciprocal + +  dst.x = 1.0 / src.x +  dst.y = 1.0 / src.x +  dst.z = 1.0 / src.x +  dst.w = 1.0 / src.x + + +1.1.5  RSQ - Reciprocal Square Root + +  dst.x = 1.0 / sqrt(abs(src.x)) +  dst.y = 1.0 / sqrt(abs(src.x)) +  dst.z = 1.0 / sqrt(abs(src.x)) +  dst.w = 1.0 / sqrt(abs(src.x)) + + +1.1.6  EXP - Exponential Base 2 + +  dst.x = pow(2.0, floor(src.x)) +  dst.y = src.x - floor(src.x) +  dst.z = pow(2.0, src.x) +  dst.w = 1.0 + + +1.1.7  LOG - Logarithm Base 2 + +  dst.x = floor(lg2(abs(src.x))) +  dst.y = abs(src.x) / pow(2.0, floor(lg2(abs(src.x)))) +  dst.z = lg2(abs(src.x)) +  dst.w = 1.0 + + +1.1.8  MUL - Multiply + +  dst.x = src0.x * src1.x +  dst.y = src0.y * src1.y +  dst.z = src0.z * src1.z +  dst.w = src0.w * src1.w + + +1.1.9  ADD - Add + +  dst.x = src0.x + src1.x +  dst.y = src0.y + src1.y +  dst.z = src0.z + src1.z +  dst.w = src0.w + src1.w + + +1.1.10  DP3 - 3-component Dot Product + +  dst.x = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z +  dst.y = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z +  dst.z = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z +  dst.w = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + + +1.1.11  DP4 - 4-component Dot Product + +  dst.x = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src0.w * src1.w +  dst.y = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src0.w * src1.w +  dst.z = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src0.w * src1.w +  dst.w = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src0.w * src1.w + + +1.1.12  DST - Distance Vector + +  dst.x = 1.0 +  dst.y = src0.y * src1.y +  dst.z = src0.z +  dst.w = src1.w + + +1.1.13  MIN - Minimum + +  dst.x = min(src0.x, src1.x) +  dst.y = min(src0.y, src1.y) +  dst.z = min(src0.z, src1.z) +  dst.w = min(src0.w, src1.w) + + +1.1.14  MAX - Maximum + +  dst.x = max(src0.x, src1.x) +  dst.y = max(src0.y, src1.y) +  dst.z = max(src0.z, src1.z) +  dst.w = max(src0.w, src1.w) + + +1.1.15  SLT - Set On Less Than + +  dst.x = (src0.x < src1.x) ? 1.0 : 0.0 +  dst.y = (src0.y < src1.y) ? 1.0 : 0.0 +  dst.z = (src0.z < src1.z) ? 1.0 : 0.0 +  dst.w = (src0.w < src1.w) ? 1.0 : 0.0 + + +1.1.16  SGE - Set On Greater Equal Than + +  dst.x = (src0.x >= src1.x) ? 1.0 : 0.0 +  dst.y = (src0.y >= src1.y) ? 1.0 : 0.0 +  dst.z = (src0.z >= src1.z) ? 1.0 : 0.0 +  dst.w = (src0.w >= src1.w) ? 1.0 : 0.0 + + +1.1.17  MAD - Multiply And Add + +  dst.x = src0.x * src1.x + src2.x +  dst.y = src0.y * src1.y + src2.y +  dst.z = src0.z * src1.z + src2.z +  dst.w = src0.w * src1.w + src2.w + | 
