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Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt | 1131 |
1 files changed, 1131 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..eb492076b7 --- /dev/null +++ b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt @@ -0,0 +1,1131 @@ +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) + dst.y = floor(src.y) + dst.z = floor(src.z) + dst.w = floor(src.w) + + +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 - Approximate 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 - Approximate 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 + + +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 + + Removed. Use (CMP src2, src1, src0) instead. + +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 + + +1.3 GL_EXT_vertex_shader +------------------------- + + +1.3.1 INDEX - Array Lookup + + Considered for removal from language. + + +1.3.2 NEGATE - Negate + + Considered for removal from language. + + +1.3.3 MADD - Multiply And Add + + Alias for MAD. + + +1.3.4 FRAC - Fraction + + dst.x = src.x - floor(src.x) + dst.y = src.y - floor(src.y) + dst.z = src.z - floor(src.z) + dst.w = src.w - floor(src.w) + + +1.3.5 SETGE - Set On Greater Equal + + Alias for SGE. + + +1.3.6 SETLT - Set On Less Than + + Alias for SLT. + + +1.3.7 CLAMP - Clamp + + dst.x = clamp(src0.x, src1.x, src2.x) + dst.y = clamp(src0.y, src1.y, src2.y) + dst.z = clamp(src0.z, src1.z, src2.z) + dst.w = clamp(src0.w, src1.w, src2.w) + + +1.3.8 FLOOR - Floor + + dst.x = floor(src.x) + dst.y = floor(src.y) + dst.z = floor(src.z) + dst.w = floor(src.w) + + +1.3.9 ROUND - Round + + dst.x = round(src.x) + dst.y = round(src.y) + dst.z = round(src.z) + dst.w = round(src.w) + + +1.3.10 EXPBASE2 - Exponential Base 2 + + dst.x = pow(2.0, src.x) + dst.y = pow(2.0, src.x) + dst.z = pow(2.0, src.x) + dst.w = pow(2.0, src.x) + + +1.3.11 LOGBASE2 - Logarithm Base 2 + + dst.x = lg2(src.x) + dst.y = lg2(src.x) + dst.z = lg2(src.x) + dst.w = lg2(src.x) + + +1.3.12 POWER - Power + + dst.x = pow(src0.x, src1.x) + dst.y = pow(src0.x, src1.x) + dst.z = pow(src0.x, src1.x) + dst.w = pow(src0.x, src1.x) + + +1.3.13 RECIP - Reciprocal + + Alias for RCP. + + +1.3.14 RECIPSQRT - Reciprocal Square Root + + Alias for RSQ. + + +1.3.15 CROSSPRODUCT - Cross Product + + dst.x = src0.y * src1.z - src1.y * src0.z + dst.y = src0.z * src1.x - src1.z * src0.x + dst.z = src0.x * src1.y - src1.x * src0.y + dst.w = 1.0 + + +1.3.16 MULTIPLYMATRIX - Multiply Matrix + + Considered for removal from language. + + +1.4 GL_NV_vertex_program1_1 +---------------------------- + + +1.4.1 ABS - Absolute + + dst.x = abs(src.x) + dst.y = abs(src.y) + dst.z = abs(src.z) + dst.w = abs(src.w) + + +1.4.2 RCC - Reciprocal Clamped + + dst.x = (1.0 / src.x) > 0.0 ? clamp(1.0 / src.x, 5.42101e-020, 1.884467e+019) : clamp(1.0 / src.x, -1.884467e+019, -5.42101e-020) + dst.y = (1.0 / src.x) > 0.0 ? clamp(1.0 / src.x, 5.42101e-020, 1.884467e+019) : clamp(1.0 / src.x, -1.884467e+019, -5.42101e-020) + dst.z = (1.0 / src.x) > 0.0 ? clamp(1.0 / src.x, 5.42101e-020, 1.884467e+019) : clamp(1.0 / src.x, -1.884467e+019, -5.42101e-020) + dst.w = (1.0 / src.x) > 0.0 ? clamp(1.0 / src.x, 5.42101e-020, 1.884467e+019) : clamp(1.0 / src.x, -1.884467e+019, -5.42101e-020) + + +1.4.3 DPH - Homogeneous Dot Product + + dst.x = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src1.w + dst.y = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src1.w + dst.z = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src1.w + dst.w = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src1.w + + +1.5 GL_NV_fragment_program +--------------------------- + + +1.5.1 COS - Cosine + + dst.x = cos(src.x) + dst.y = cos(src.x) + dst.z = cos(src.x) + dst.w = cos(src.w) + + +1.5.2 DDX - Derivative Relative To X + + dst.x = partialx(src.x) + dst.y = partialx(src.y) + dst.z = partialx(src.z) + dst.w = partialx(src.w) + + +1.5.3 DDY - Derivative Relative To Y + + dst.x = partialy(src.x) + dst.y = partialy(src.y) + dst.z = partialy(src.z) + dst.w = partialy(src.w) + + +1.5.4 EX2 - Exponential Base 2 + + Alias for EXPBASE2. + + +1.5.5 FLR - Floor + + Alias for FLOOR. + + +1.5.6 FRC - Fraction + + Alias for FRAC. + + +1.5.7 KILP - Predicated Discard + + discard + + +1.5.8 LG2 - Logarithm Base 2 + + Alias for LOGBASE2. + + +1.5.9 LRP - Linear Interpolate + + Alias for LERP. + + +1.5.10 PK2H - Pack Two 16-bit Floats + + TBD + + +1.5.11 PK2US - Pack Two Unsigned 16-bit Scalars + + TBD + + +1.5.12 PK4B - Pack Four Signed 8-bit Scalars + + TBD + + +1.5.13 PK4UB - Pack Four Unsigned 8-bit Scalars + + TBD + + +1.5.14 POW - Power + + Alias for POWER. + + +1.5.15 RFL - Reflection Vector + + dst.x = 2.0 * (src0.x * src1.x + src0.y * src1.y + src0.z * src1.z) / (src0.x * src0.x + src0.y * src0.y + src0.z * src0.z) * src0.x - src1.x + dst.y = 2.0 * (src0.x * src1.x + src0.y * src1.y + src0.z * src1.z) / (src0.x * src0.x + src0.y * src0.y + src0.z * src0.z) * src0.y - src1.y + dst.z = 2.0 * (src0.x * src1.x + src0.y * src1.y + src0.z * src1.z) / (src0.x * src0.x + src0.y * src0.y + src0.z * src0.z) * src0.z - src1.z + dst.w = 1.0 + + +1.5.16 SEQ - Set On Equal + + 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 + + +1.5.17 SFL - Set On False + + dst.x = 0.0 + dst.y = 0.0 + dst.z = 0.0 + dst.w = 0.0 + + +1.5.18 SGT - Set On Greater 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 + + +1.5.19 SIN - Sine + + dst.x = sin(src.x) + dst.y = sin(src.x) + dst.z = sin(src.x) + dst.w = sin(src.w) + + +1.5.20 SLE - Set On Less 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 + + +1.5.21 SNE - Set On Not Equal + + 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 + + +1.5.22 STR - Set On True + + dst.x = 1.0 + dst.y = 1.0 + dst.z = 1.0 + dst.w = 1.0 + + +1.5.23 TEX - Texture Lookup + + TBD + + +1.5.24 TXD - Texture Lookup with Derivatives + + TBD + + +1.5.25 TXP - Projective Texture Lookup + + TBD + + +1.5.26 UP2H - Unpack Two 16-Bit Floats + + TBD + + +1.5.27 UP2US - Unpack Two Unsigned 16-Bit Scalars + + TBD + + +1.5.28 UP4B - Unpack Four Signed 8-Bit Values + + TBD + + +1.5.29 UP4UB - Unpack Four Unsigned 8-Bit Scalars + + TBD + + +1.5.30 X2D - 2D Coordinate Transformation + + dst.x = src0.x + src1.x * src2.x + src1.y * src2.y + dst.y = src0.y + src1.x * src2.z + src1.y * src2.w + dst.z = src0.x + src1.x * src2.x + src1.y * src2.y + dst.w = src0.y + src1.x * src2.z + src1.y * src2.w + + +1.6 GL_NV_vertex_program2 +-------------------------- + + +1.6.1 ARA - Address Register Add + + TBD + + +1.6.2 ARR - Address Register Load With Round + + dst.x = round(src.x) + dst.y = round(src.y) + dst.z = round(src.z) + dst.w = round(src.w) + + +1.6.3 BRA - Branch + + pc = target + + +1.6.4 CAL - Subroutine Call + + push(pc) + pc = target + + +1.6.5 RET - Subroutine Call Return + + pc = pop() + + +1.6.6 SSG - Set Sign + + dst.x = (src.x > 0.0) ? 1.0 : (src.x < 0.0) ? -1.0 : 0.0 + dst.y = (src.y > 0.0) ? 1.0 : (src.y < 0.0) ? -1.0 : 0.0 + dst.z = (src.z > 0.0) ? 1.0 : (src.z < 0.0) ? -1.0 : 0.0 + dst.w = (src.w > 0.0) ? 1.0 : (src.w < 0.0) ? -1.0 : 0.0 + + +1.7 GL_ARB_vertex_program +-------------------------- + + +1.7.1 SWZ - Extended Swizzle + + dst.x = src.x + dst.y = src.y + dst.z = src.z + dst.w = src.w + + +1.7.2 XPD - Cross Product + + Alias for CROSSPRODUCT. + + +1.8 GL_ARB_fragment_program +---------------------------- + + +1.8.1 CMP - Compare + + dst.x = (src0.x < 0.0) ? src1.x : src2.x + dst.y = (src0.y < 0.0) ? src1.y : src2.y + dst.z = (src0.z < 0.0) ? src1.z : src2.z + dst.w = (src0.w < 0.0) ? src1.w : src2.w + + +1.8.2 KIL - Conditional Discard + + if (src.x < 0.0 || src.y < 0.0 || src.z < 0.0 || src.w < 0.0) + discard + endif + + +1.8.3 SCS - Sine Cosine + + dst.x = cos(src.x) + dst.y = sin(src.x) + dst.z = 0.0 + dst.y = 1.0 + + +1.8.4 TXB - Texture Lookup With Bias + + TBD + + +1.9 GL_NV_fragment_program2 +---------------------------- + + +1.9.1 NRM - 3-component Vector Normalise + + dst.x = src.x / (src.x * src.x + src.y * src.y + src.z * src.z) + dst.y = src.y / (src.x * src.x + src.y * src.y + src.z * src.z) + dst.z = src.z / (src.x * src.x + src.y * src.y + src.z * src.z) + dst.w = 1.0 + + +1.9.2 DIV - Divide + + dst.x = src0.x / src1.x + dst.y = src0.y / src1.y + dst.z = src0.z / src1.z + dst.w = src0.w / src1.w + + +1.9.3 DP2 - 2-component Dot Product + + dst.x = src0.x * src1.x + src0.y * src1.y + dst.y = src0.x * src1.x + src0.y * src1.y + dst.z = src0.x * src1.x + src0.y * src1.y + dst.w = src0.x * src1.x + src0.y * src1.y + + +1.9.4 DP2A - 2-component Dot Product And Add + + Alias for DOT2ADD. + + +1.9.5 TXL - Texture Lookup With LOD + + TBD + + +1.9.6 BRK - Break + + TBD + + +1.9.7 IF - If + + TBD + + +1.9.8 BGNFOR - Begin a For-Loop + + dst.x = floor(src.x) + dst.y = floor(src.y) + dst.z = floor(src.z) + + if (dst.y <= 0) + pc = [matching ENDFOR] + 1 + endif + + Note: The destination must be a loop register. + The source must be a constant register. + + +1.9.9 REP - Repeat + + TBD + + +1.9.10 ELSE - Else + + TBD + + +1.9.11 ENDIF - End If + + TBD + + +1.9.12 ENDFOR - End a For-Loop + + dst.x = dst.x + dst.z + dst.y = dst.y - 1.0 + + if (dst.y > 0) + pc = [matching BGNFOR instruction] + 1 + endif + + Note: The destination must be a loop register. + + +1.9.13 ENDREP - End Repeat + + TBD + + +1.10 GL_NV_vertex_program3 +--------------------------- + + +1.10.1 PUSHA - Push Address Register On Stack + + push(src.x) + push(src.y) + push(src.z) + push(src.w) + + +1.10.2 POPA - Pop Address Register From Stack + + dst.w = pop() + dst.z = pop() + dst.y = pop() + dst.x = pop() + + +1.11 GL_NV_gpu_program4 +------------------------ + + +1.11.1 CEIL - Ceiling + + dst.x = ceil(src.x) + dst.y = ceil(src.y) + dst.z = ceil(src.z) + dst.w = ceil(src.w) + + +1.11.2 I2F - Integer To Float + + dst.x = (float) src.x + dst.y = (float) src.y + dst.z = (float) src.z + dst.w = (float) src.w + + +1.11.3 NOT - Bitwise Not + + dst.x = ~src.x + dst.y = ~src.y + dst.z = ~src.z + dst.w = ~src.w + + +1.11.4 TRUNC - Truncate + + dst.x = trunc(src.x) + dst.y = trunc(src.y) + dst.z = trunc(src.z) + dst.w = trunc(src.w) + + +1.11.5 SHL - Shift Left + + dst.x = src0.x << src1.x + dst.y = src0.y << src1.x + dst.z = src0.z << src1.x + dst.w = src0.w << src1.x + + +1.11.6 SHR - Shift Right + + dst.x = src0.x >> src1.x + dst.y = src0.y >> src1.x + dst.z = src0.z >> src1.x + dst.w = src0.w >> src1.x + + +1.11.7 AND - Bitwise And + + dst.x = src0.x & src1.x + dst.y = src0.y & src1.y + dst.z = src0.z & src1.z + dst.w = src0.w & src1.w + + +1.11.8 OR - Bitwise Or + + dst.x = src0.x | src1.x + dst.y = src0.y | src1.y + dst.z = src0.z | src1.z + dst.w = src0.w | src1.w + + +1.11.9 MOD - Modulus + + dst.x = src0.x % src1.x + dst.y = src0.y % src1.y + dst.z = src0.z % src1.z + dst.w = src0.w % src1.w + + +1.11.10 XOR - Bitwise Xor + + dst.x = src0.x ^ src1.x + dst.y = src0.y ^ src1.y + dst.z = src0.z ^ src1.z + dst.w = src0.w ^ src1.w + + +1.11.11 SAD - Sum Of Absolute Differences + + dst.x = abs(src0.x - src1.x) + src2.x + dst.y = abs(src0.y - src1.y) + src2.y + dst.z = abs(src0.z - src1.z) + src2.z + dst.w = abs(src0.w - src1.w) + src2.w + + +1.11.12 TXF - Texel Fetch + + TBD + + +1.11.13 TXQ - Texture Size Query + + TBD + + +1.11.14 CONT - Continue + + TBD + + +1.12 GL_NV_geometry_program4 +----------------------------- + + +1.12.1 EMIT - Emit + + TBD + + +1.12.2 ENDPRIM - End Primitive + + TBD + + +1.13 GLSL +---------- + + +1.13.1 BGNLOOP - Begin a Loop + + TBD + + +1.13.2 BGNSUB - Begin Subroutine + + TBD + + +1.13.3 ENDLOOP - End a Loop + + TBD + + +1.13.4 ENDSUB - End Subroutine + + TBD + + +1.13.5 INT - Truncate + + Alias for TRUNC. + + +1.13.6 NOISE1 - 1D Noise + + TBD + + +1.13.7 NOISE2 - 2D Noise + + TBD + + +1.13.8 NOISE3 - 3D Noise + + TBD + + +1.13.9 NOISE4 - 4D Noise + + TBD + + +1.13.10 NOP - No Operation + + Do nothing. + + +1.14 ps_1_1 +------------ + + +1.14.1 TEXKILL - Conditional Discard + + Alias for KIL. + + +1.15 ps_1_4 +------------ + + +1.15.1 TEXLD - Texture Lookup + + Alias for TEX. + + +1.16 ps_2_0 +------------ + + +1.16.1 M4X4 - Multiply Matrix + + Alias for MULTIPLYMATRIX. + + +1.16.2 M4X3 - Multiply Matrix + + Considered for removal from language. + + +1.16.3 M3X4 - Multiply Matrix + + Considered for removal from language. + + +1.16.4 M3X3 - Multiply Matrix + + Considered for removal from language. + + +1.16.5 M3X2 - Multiply Matrix + + Considered for removal from language. + + +1.16.6 CRS - Cross Product + + Alias for XPD. + + +1.16.7 NRM4 - 4-component Vector Normalise + + dst.x = src.x / (src.x * src.x + src.y * src.y + src.z * src.z + src.w * src.w) + dst.y = src.y / (src.x * src.x + src.y * src.y + src.z * src.z + src.w * src.w) + dst.z = src.z / (src.x * src.x + src.y * src.y + src.z * src.z + src.w * src.w) + dst.w = src.w / (src.x * src.x + src.y * src.y + src.z * src.z + src.w * src.w) + + +1.16.8 SINCOS - Sine Cosine + + Alias for SCS. + + +1.16.9 TEXLDB - Texture Lookup With Bias + + Alias for TXB. + + +1.16.10 DP2ADD - 2-component Dot Product And Add + + Alias for DP2A. + + +1.17 ps_2_x +------------ + + +1.17.1 CALL - Subroutine Call + + Alias for CAL. + + +1.17.2 CALLNZ - Subroutine Call If Not Zero + + TBD + + +1.17.3 IFC - If + + TBD + + +1.17.4 BREAK - Break + + Alias for BRK. + + +1.17.5 BREAKC - Break Conditional + + TBD + + +1.17.6 DSX - Derivative Relative To X + + Alias for DDX. + + +1.17.7 DSY - Derivative Relative To Y + + Alias for DDY. + + +1.17.8 TEXLDD - Texture Lookup with Derivatives + + Alias for TXD. + + +1.18 vs_1_1 +------------ + + +1.18.1 EXPP - Approximate Exponential Base 2 + + Use EXP. See also 1.19.3. + + +1.18.2 LOGP - Logarithm Base 2 + + Use LOG. See also 1.19.4. + + +1.19 vs_2_0 +------------ + + +1.19.1 SGN - Set Sign + + Alias for SSG. + + +1.19.2 MOVA - Move Address Register + + Alias for ARR. + + +1.19.3 EXPP - Approximate Exponential Base 2 + + Use EX2. + + +1.19.4 LOGP - Logarithm Base 2 + + Use LG2. + + +2 Explanation of symbols used +============================== + + +2.1 Functions +-------------- + + + abs(x) Absolute value of x. + |x| + (x < 0.0) ? -x : x + + ceil(x) Ceiling of x. + + clamp(x,y,z) Clamp x between y and z. + (x < y) ? y : (x > z) ? z : x + + cos(x) Cosine of x. + + floor(x) Floor of x. + + lg2(x) Logarithm base 2 of x. + + max(x,y) Maximum of x and y. + (x > y) ? x : y + + min(x,y) Minimum of x and y. + (x < y) ? x : y + + partialx(x) Derivative of x relative to fragment's X. + + partialy(x) Derivative of x relative to fragment's Y. + + pop() Pop from stack. + + pow(x,y) Raise x to power of y. + + push(x) Push x on stack. + + round(x) Round x. + + sin(x) Sine of x. + + sqrt(x) Square root of x. + + trunc(x) Truncate x. + + +2.2 Keywords +------------- + + + discard Discard fragment. + + dst First destination register. + + dst0 First destination register. + + pc Program counter. + + src First source register. + + src0 First source register. + + src1 Second source register. + + src2 Third source register. + + target Label of target instruction. + |