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Implemented transforming of normals on PS2.

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This commit is contained in:
Angelo Papenhoff
2015-01-28 21:15:49 +01:00
parent 5247d1c26e
commit 652c82424a
6 changed files with 55 additions and 35 deletions
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16
tests/ps2/defaultpipe.dsm
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@@ -10,7 +10,8 @@
.equ outSize, ((vertexTop-outBuf1-2)/2)
.equ outBuf2, (outBuf1+outSize)
.equ lightDir, 0x3d0
.equ lightMat, 0x3d0
.equ lightDir, 0x3d4
.equ matrix, 0x3f0
.equ screenOffset, 0x3f9
.equ gifTag, 0x3fa
@@ -40,6 +41,9 @@ Cnt:
NOP SQ VF01, 0(VI12)
NOP ISW.x VI05, 0(VI12)
NOP IADDIU VI03, VI12, 1 ; output pointer
NOP LQ VF18, lightMat(VI00)
NOP LQ VF19, lightMat+1(VI00)
NOP LQ VF20, lightMat+2(VI00)
Loop:
NOP LQI VF01, (VI02++) ; vertex
@@ -47,7 +51,7 @@ Loop:
NOP LQI VF02, (VI02++) ; color
NOP LQI VF03, (VI02++) ; normal
MULAw.xyzw ACC, VF31, VF00w NOP
MULAw.xyzw ACC, VF31, VF00w NOP ; transform vertex
MADDAx.xyzw ACC, VF28, VF01x NOP
MADDAy.xyzw ACC, VF29, VF01y NOP
MADDz.xyzw VF01, VF30, VF01z NOP
@@ -61,15 +65,15 @@ Loop:
NOP NOP
NOP NOP
SUB.w VF01, VF01, VF01 NOP
NOP SQ VF03, -1(VI02) ; store scaled normal
NOP NOP
NOP NOP
MULAx.xyz ACC, VF18, VF03x NOP ; transform normal
MADDAy.xyz ACC, VF19, VF03y NOP
MADDz.xyz VF03, VF20, VF03z NOP
ADD.xy VF01, VF01, VF25 NOP
NOP NOP
NOP NOP
FTOI0 VF02, VF02 NOP
FTOI4 VF01, VF01 NOP
NOP NOP
NOP SQ VF03, -1(VI02) ; store normal
NOP IADDI VI01, VI01, -1
NOP SQI VF02, (VI03++) ; color
NOP SQI VF01, (VI03++) ; vertex