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authorKeith Whitwell <[email protected]>2009-12-21 23:38:29 +0000
committerKeith Whitwell <[email protected]>2009-12-21 23:38:29 +0000
commit14eacb041b174fee75de7c14a81bd333a3fd2797 (patch)
treeb6ab0350f5fd043ba6bf749ef95fc66edac11b91 /src/gallium/docs
parenta62aaa739924208f9469a75c43a407c0d72a427e (diff)
docs: remove some old opcodes and other cruft from tgsi doc
Diffstat (limited to 'src/gallium/docs')
-rw-r--r--src/gallium/docs/source/tgsi.rst322
1 files changed, 27 insertions, 295 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 30717bdf7b9..a30729073b2 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -155,10 +155,6 @@ TGSI Instruction Specification
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
@@ -167,17 +163,7 @@ TGSI Instruction Specification
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
+1.2.4 LRP - Linear Interpolate
dst.x = src0.x * (src1.x - src2.x) + src2.x
dst.y = src0.y * (src1.y - src2.y) + src2.y
@@ -193,11 +179,7 @@ TGSI Instruction Specification
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
+1.2.7 DP2A - 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
@@ -205,25 +187,6 @@ TGSI Instruction Specification
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)
@@ -232,16 +195,6 @@ TGSI Instruction Specification
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)
@@ -250,7 +203,7 @@ TGSI Instruction Specification
dst.w = clamp(src0.w, src1.w, src2.w)
-1.3.8 FLOOR - Floor
+1.3.8 FLR - Floor
dst.x = floor(src.x)
dst.y = floor(src.y)
@@ -266,7 +219,7 @@ TGSI Instruction Specification
dst.w = round(src.w)
-1.3.10 EXPBASE2 - Exponential Base 2
+1.3.10 EX2 - Exponential Base 2
dst.x = pow(2.0, src.x)
dst.y = pow(2.0, src.x)
@@ -274,7 +227,7 @@ TGSI Instruction Specification
dst.w = pow(2.0, src.x)
-1.3.11 LOGBASE2 - Logarithm Base 2
+1.3.11 LG2 - Logarithm Base 2
dst.x = lg2(src.x)
dst.y = lg2(src.x)
@@ -282,25 +235,14 @@ TGSI Instruction Specification
dst.w = lg2(src.x)
-1.3.12 POWER - Power
+1.3.12 POW - 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
+1.3.15 XPD - Cross Product
dst.x = src0.y * src1.z - src1.y * src0.z
dst.y = src0.z * src1.x - src1.z * src0.x
@@ -308,15 +250,6 @@ TGSI Instruction Specification
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)
@@ -341,10 +274,6 @@ TGSI Instruction Specification
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)
@@ -369,36 +298,11 @@ TGSI Instruction Specification
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
@@ -419,11 +323,6 @@ TGSI Instruction Specification
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
@@ -431,6 +330,8 @@ TGSI Instruction Specification
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
+ Considered for removal.
+
1.5.16 SEQ - Set On Equal
@@ -447,6 +348,7 @@ TGSI Instruction Specification
dst.z = 0.0
dst.w = 0.0
+ Considered for removal.
1.5.18 SGT - Set On Greater Than
@@ -507,21 +409,25 @@ TGSI Instruction Specification
TBD
+ Considered for removal.
1.5.27 UP2US - Unpack Two Unsigned 16-Bit Scalars
TBD
+ Considered for removal.
1.5.28 UP4B - Unpack Four Signed 8-Bit Values
TBD
+ Considered for removal.
1.5.29 UP4UB - Unpack Four Unsigned 8-Bit Scalars
TBD
+ Considered for removal.
1.5.30 X2D - 2D Coordinate Transformation
@@ -530,6 +436,8 @@ TGSI Instruction Specification
dst.z = src0.x + src1.x * src2.x + src1.y * src2.y
dst.w = src0.y + src1.x * src2.z + src1.y * src2.w
+ Considered for removal.
+
1.6 GL_NV_vertex_program2
--------------------------
@@ -539,6 +447,7 @@ TGSI Instruction Specification
TBD
+ Considered for removal.
1.6.2 ARR - Address Register Load With Round
@@ -552,6 +461,7 @@ TGSI Instruction Specification
pc = target
+ Considered for removal.
1.6.4 CAL - Subroutine Call
@@ -563,6 +473,8 @@ TGSI Instruction Specification
pc = pop()
+ Potential restrictions:
+ * Only occurs at end of function.
1.6.6 SSG - Set Sign
@@ -572,27 +484,6 @@ TGSI Instruction Specification
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
@@ -621,10 +512,6 @@ TGSI Instruction Specification
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)
@@ -649,11 +536,6 @@ TGSI Instruction Specification
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
@@ -682,6 +564,8 @@ TGSI Instruction Specification
Note: The destination must be a loop register.
The source must be a constant register.
+ Considered for cleanup / removal.
+
1.9.9 REP - Repeat
@@ -709,16 +593,13 @@ TGSI Instruction Specification
Note: The destination must be a loop register.
+ Considered for cleanup / removal.
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)
@@ -726,6 +607,7 @@ TGSI Instruction Specification
push(src.z)
push(src.w)
+ Considered for cleanup / removal.
1.10.2 POPA - Pop Address Register From Stack
@@ -734,10 +616,13 @@ TGSI Instruction Specification
dst.y = pop()
dst.x = pop()
+ Considered for cleanup / removal.
+
1.11 GL_NV_gpu_program4
------------------------
+Support for these opcodes indicated by a special pipe capability bit (TBD).
1.11.1 CEIL - Ceiling
@@ -880,87 +765,12 @@ TGSI Instruction Specification
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
@@ -970,30 +780,10 @@ TGSI Instruction Specification
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
@@ -1004,69 +794,11 @@ TGSI Instruction Specification
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
==============================
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