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prepare for packed rgb

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This commit is contained in:
koolsmoky
2005-01-13 16:11:39 +00:00
parent e8812e71bf
commit f0cb59432c
2 changed files with 45 additions and 33 deletions
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8
glide2x/cvg/glide/src/xdraw2.asm
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@@ -19,6 +19,10 @@
;; $Header$
;; $Revision$
;; $Log$
;; Revision 1.1.1.1.2.1 2004/12/23 20:45:56 koolsmoky
;; converted to nasm syntax
;; added x86 asm, 3dnow! triangle and mmx, 3dnow! texture download optimizations
;;
;; Revision 1.1.1.1 1999/12/07 21:49:13 joseph
;; Initial checkin into SourceForge.
;;
@@ -82,6 +86,10 @@ extrn _FifoMakeRoom
segment DATA
One DD 1.0
Area DD 0
%IF GLIDE_PACKED_RGB
bias0 DD 0
bias1 DD 0
%ENDIF
;;; Definitions of cvg regs and glide root structures.
%INCLUDE "fxgasm.h"

70
glide2x/cvg/glide/src/xdraw2.inc
View File

@@ -20,6 +20,10 @@
;; $Header$
;; $Revision$
;; $Log$
;; Revision 1.1.1.1.2.1 2004/12/23 20:45:56 koolsmoky
;; converted to nasm syntax
;; added x86 asm, 3dnow! triangle and mmx, 3dnow! texture download optimizations
;;
;; Revision 1.1.1.1 1999/12/07 21:49:13 joseph
;; Initial checkin into SourceForge.
;;
@@ -111,10 +115,10 @@
; Zero Area Triangle Check
test intArea, 7fffffffh ; if ((j & 0x7FFFFFFF) == 0)
jz __cullFail ; area zero, triangle culled
jz .__cullFail ; area zero, triangle culled
xor intArea, cull ; if (j ^ (culltest << 31))
jge __cullFail ; triangle facing away from viewer, culled
jge .__cullFail ; triangle facing away from viewer, culled
cmp ebx, tempVal ; fifo space required >= space available ?
jge .__triBegin ; yup, push out triangle data to Voodoo
@@ -240,9 +244,9 @@
add dlp, 4 ; dlp++
test eax, eax ; end of list ?
jz __paramLoopDoneWBone1 ; yes, one DWORD in "write buffer"
jz .__paramLoopDoneWBone1 ; yes, one DWORD in "write buffer"
__paramLoop1a:
.__paramLoop1a:
movd mm2, [eax+vertex] ; get next parameter
add fifo, 8 ; fifoPtr += 2*sizeof(FxU32)
@@ -253,16 +257,16 @@ __paramLoop1a:
test eax, eax ; at end of offset list (offset == 0) ?
WRITE_MM1_FIFO_ALIGNED -8 ; PCI write current param | previous param
jz __paramLoopDoneWBzero1; exit, "write buffer" empty
jz .__paramLoopDoneWBzero1; exit, "write buffer" empty
movd mm1, [eax+vertex] ; get next parameter
mov eax, [dlp-4] ; offset = *(dlp + 1)
test eax, eax ; at end of offset list (offset == 0) ?
jnz __paramLoop1a ; nope, copy next parameter
jnz .__paramLoop1a ; nope, copy next parameter
nop ; filler
jmp __paramLoopDoneWBone1 ; merge back into common stream
jmp .__paramLoopDoneWBone1 ; merge back into common stream
%ELSE ; ! GLIDE_PACK_RGB
@@ -354,14 +358,14 @@ __paramLoop1a:
test eax, eax ; end of list ?
nop ; filler
jz __paramLoopDoneWBzero1; yes, "write buffer" is empty
jz .__paramLoopDoneWBzero1; yes, "write buffer" is empty
__paramLoop1b:
.__paramLoop1b:
movd mm1, [eax+vertex] ; get next parameter
mov eax, [dlp] ; offset = *(dlp + 1)
test eax, eax ; at end of offset list (offset == 0) ?
jz __paramLoopDoneWBone1 ; exit, write buffer contains one DWORD
jz .__paramLoopDoneWBone1 ; exit, write buffer contains one DWORD
movd mm2, [eax+vertex] ; get next parameter
add dlp, 8 ; dlp += 2
@@ -373,10 +377,10 @@ __paramLoop1b:
test eax, eax ; at end of offset list (offset == 0) ?
WRITE_MM1_FIFO_ALIGNED -8 ; PCI write current param | previous param
jnz __paramLoop1b ; nope, copy next parameter
jnz .__paramLoop1b ; nope, copy next parameter
nop ; filler
jmp __paramLoopDoneWBzero1; write buffer empty
jmp .__paramLoopDoneWBzero1; write buffer empty
%ELSE ; !GLIDE_PACK_RGB
mov eax, [dlp] ; get first offset from the data list
@@ -467,14 +471,14 @@ __paramLoop1b:
test eax, eax ; end of list ?
nop ; filler
jz __paramLoopDoneWBzero2; yes, "write buffer" is empty
jz .__paramLoopDoneWBzero2; yes, "write buffer" is empty
__paramLoop2b:
.__paramLoop2b:
movd mm1, [eax+vertex] ; get next parameter
mov eax, [dlp] ; offset = *(dlp + 1)
test eax, eax ; at end of offset list (offset == 0) ?
jz __paramLoopDoneWBone2 ; exit, write buffer contains one DWORD
jz .__paramLoopDoneWBone2 ; exit, write buffer contains one DWORD
movd mm2, [eax+vertex] ; get next parameter
add dlp, 8 ; dlp += 2
@@ -486,10 +490,10 @@ __paramLoop2b:
test eax, eax ; at end of offset list (offset == 0) ?
WRITE_MM1_FIFO_ALIGNED -8 ; PCI write current param | previous param
jnz __paramLoop2b ; nope, copy next parameter
jnz .__paramLoop2b ; nope, copy next parameter
nop ; filler
jmp __paramLoopDoneWBzero2; write buffer empty
jmp .__paramLoopDoneWBzero2; write buffer empty
%ELSE ; !GLIDE_PACK_RGB
mov eax, [dlp] ; get first offset from the data list
@@ -575,9 +579,9 @@ __paramLoop2b:
add dlp, 4 ; dlp++
test eax, eax ; end of list ?
jz __paramLoopDoneWBone2 ; yes, one DWORD in "write buffer"
jz .__paramLoopDoneWBone2 ; yes, one DWORD in "write buffer"
__paramLoop2a:
.__paramLoop2a:
movd mm2, [eax+vertex] ; get next parameter
add fifo, 8 ; fifoPtr += 2*sizeof(FxU32)
@@ -588,16 +592,16 @@ __paramLoop2a:
test eax, eax ; at end of offset list (offset == 0) ?
WRITE_MM1_FIFO_ALIGNED -8 ; PCI write current param | previous param
jz __paramLoopDoneWBzero2; exit, "write buffer" empty
jz .__paramLoopDoneWBzero2; exit, "write buffer" empty
movd mm1, [eax+vertex] ; get next parameter
mov eax, [dlp-4] ; offset = *(dlp + 1)
test eax, eax ; at end of offset list (offset == 0) ?
jnz __paramLoop2a ; nope, copy next parameter
jnz .__paramLoop2a ; nope, copy next parameter
nop ; filler
jmp __paramLoopDoneWBone2 ; merge back into common stream
jmp .__paramLoopDoneWBone2 ; merge back into common stream
%ELSE ; ! GLIDE_PACK_RGB
@@ -685,9 +689,9 @@ __paramLoop2a:
add dlp, 4 ; dlp++
test eax, eax ; end of list ?
jz __paramLoopDoneWBone3 ; yes, one DWORD in "write buffer"
jz .__paramLoopDoneWBone3 ; yes, one DWORD in "write buffer"
__paramLoop3a:
.__paramLoop3a:
movd mm2, [eax+vertex] ; get next parameter
add fifo, 8 ; fifoPtr += 2*sizeof(FxU32)
@@ -698,16 +702,16 @@ __paramLoop3a:
punpckldq mm1, mm2 ; current param | previous param
WRITE_MM1_FIFO_ALIGNED -8 ; PCI write current param | previous param
jz __paramLoopDoneWBzero3; exit, "write buffer" empty
jz .__paramLoopDoneWBzero3; exit, "write buffer" empty
movd mm1, [eax+vertex] ; get next parameter
mov eax, [dlp-4] ; offset = *(dlp + 1)
test eax, eax ; at end of offset list (offset == 0) ?
jnz __paramLoop3a ; nope, copy next parameter
jnz .__paramLoop3a ; nope, copy next parameter
nop ; filler
jmp __paramLoopDoneWBone3 ; merge back into common stream
jmp .__paramLoopDoneWBone3 ; merge back into common stream
%ELSE ; ! GLIDE_PACK_RGB
@@ -806,14 +810,14 @@ __paramLoop3a:
nop ; filler
test eax, eax ; end of list ?
jz __paramLoopDoneWBzero3; yes, "write buffer" is empty
jz .__paramLoopDoneWBzero3; yes, "write buffer" is empty
__paramLoop3b:
.__paramLoop3b:
movd mm1, [eax+vertex] ; get next parameter
mov eax, [dlp] ; offset = *(dlp + 1)
test eax, eax ; at end of offset list (offset == 0) ?
jz __paramLoopDoneWBone3 ; exit, write buffer contains one DWORD
jz .__paramLoopDoneWBone3 ; exit, write buffer contains one DWORD
movd mm2, [eax+vertex] ; get next parameter
add dlp, 8 ; dlp++
@@ -825,10 +829,10 @@ __paramLoop3b:
test eax, eax ; at end of offset list (offset == 0) ?
WRITE_MM1_FIFO_ALIGNED -8 ; PCI write current param | previous param
jnz __paramLoop3b ; nope, copy next parameter
jnz .__paramLoop3b ; nope, copy next parameter
nop ; filler
jmp __paramLoopDoneWBzero3; write buffer empty
jmp .__paramLoopDoneWBzero3; write buffer empty
%ELSE ; !GLIDE_PACK_RGB
@@ -904,7 +908,7 @@ __paramLoop3b:
%IF GLIDE_CULLING
__cullFail:
.__cullFail:
mov ebp, [_GlideRoot + trisProcessed]; triangles processed so far
xor eax, eax ; return value = triangle not drawn