| 22,29 → 22,27 |
|---|
| .x3 equ word[ebp-10] |
| .y3 equ word[ebp-12] |
| |
| .dc12r equ dword[ebp-16] |
| .dc12g equ dword[ebp-20] |
| .dc12b equ dword[ebp-24] |
| .dc13r equ dword[ebp-28] |
| .dc13g equ dword[ebp-32] |
| .dc13b equ dword[ebp-36] |
| .dc23r equ dword[ebp-40] |
| .dc23g equ dword[ebp-44] |
| .dc23b equ dword[ebp-48] |
| .dx12 equ dword[ebp-16] |
| .dc12r equ dword[ebp-20] |
| .dc12g equ [ebp-24] |
| .dc12b equ dword[ebp-28] |
| .dx13 equ dword[ebp-32] |
| .dc13r equ dword[ebp-36] |
| .dc13g equ [ebp-40] |
| .dc13b equ dword[ebp-44] |
| .dx23 equ dword[ebp-48] |
| .dc23r equ dword[ebp-52] |
| .dc23g equ [ebp-56] |
| .dc23b equ dword[ebp-60] |
| |
| .c1r equ dword[ebp-52] |
| .c1g equ dword[ebp-56] |
| .c1b equ dword[ebp-60] |
| .c2r equ dword[ebp-64] |
| .c2g equ dword[ebp-68] |
| .c2b equ dword[ebp-72] |
| .c1r equ dword[ebp-64] |
| .c1g equ [ebp-68] |
| .c1b equ dword[ebp-72] |
| .c2r equ dword[ebp-76] |
| .c2g equ [ebp-80] |
| .c2b equ dword[ebp-84] |
| |
| .dx12 equ dword[ebp-76] |
| .dx13 equ dword[ebp-80] |
| .dx23 equ dword[ebp-84] |
| |
| |
| |
| mov ebp,esp |
| ; sub esp,72 |
| |
| 73,7 → 71,7 |
|---|
| push eax ;store triangle coordinates in user friendly variables |
| push ebx |
| push ecx |
| sub esp,72 ; set correctly value of esp |
| ; sub esp,72 ; set correctly value of esp |
| |
| mov edx,eax ; check only X triangle coordinate |
| or edx,ebx |
| 94,10 → 92,15 |
|---|
| mov bx,.y2 ; calc deltas |
| sub bx,.y1 |
| jnz .gt_dx12_make |
| mov .dx12,0 |
| mov .dc12r,0 |
| mov .dc12g,0 |
| mov .dc12b,0 |
| xor edx,edx |
| mov ecx,4 |
| @@: |
| push edx |
| loop @b |
| ; mov .dx12,0 |
| ; mov .dc12r,0 |
| ; mov .dc12g,0 |
| ; mov .dc12b,0 |
| jmp .gt_dx12_done |
| .gt_dx12_make: |
| |
| 108,7 → 111,8 |
|---|
| shl eax,ROUND |
| cdq |
| idiv ebx |
| mov .dx12,eax |
| ; mov .dx12,eax |
| push eax |
| |
| mov ax,word[.col2r] |
| sub ax,word[.col1r] |
| 116,7 → 120,9 |
|---|
| shl eax,ROUND |
| cdq |
| idiv ebx |
| mov .dc12r,eax |
| ; mov .dc12r,eax |
| push eax |
| |
| mov ax,word[.col2g] |
| sub ax,word[.col1g] |
| cwde |
| 123,7 → 129,9 |
|---|
| shl eax,ROUND |
| cdq |
| idiv ebx |
| mov .dc12g,eax |
| ; mov .dc12g,eax |
| push eax |
| |
| mov ax,word[.col2b] |
| sub ax,word[.col1b] |
| cwde |
| 130,16 → 138,21 |
|---|
| shl eax,ROUND |
| cdq |
| idiv ebx |
| mov .dc12b,eax |
| ; mov .dc12b,eax |
| push eax |
| .gt_dx12_done: |
| |
| mov bx,.y3 |
| sub bx,.y1 |
| jnz .gt_dx13_make |
| mov .dx13,0 |
| mov .dc13r,0 |
| mov .dc13g,0 |
| mov .dc13b,0 |
| xor edx,edx |
| mov ecx,4 |
| @@: |
| push edx |
| loop @b |
| ; mov .dx13,0 |
| ; mov .dc13r,0 |
| ; mov .dc13g,0 |
| ; mov .dc13b,0 |
| jmp .gt_dx13_done |
| .gt_dx13_make: |
| mov ax,.x3 |
| 149,7 → 162,8 |
|---|
| shl eax,ROUND |
| cdq |
| idiv ebx |
| mov .dx13,eax |
| ; mov .dx13,eax |
| push eax |
| |
| mov ax,word[.col3r] |
| sub ax,word[.col1r] |
| 157,7 → 171,9 |
|---|
| shl eax,ROUND |
| cdq |
| idiv ebx |
| mov .dc13r,eax |
| ; mov .dc13r,eax |
| push eax |
| |
| mov ax,word[.col3g] |
| sub ax,word[.col1g] |
| cwde |
| 164,7 → 180,8 |
|---|
| shl eax,ROUND |
| cdq |
| idiv ebx |
| mov .dc13g,eax |
| ; mov .dc13g,eax |
| push eax |
| mov ax,word[.col3b] |
| sub ax,word[.col1b] |
| cwde |
| 171,16 → 188,21 |
|---|
| shl eax,ROUND |
| cdq |
| idiv ebx |
| mov .dc13b,eax |
| ; mov .dc13b,eax |
| push eax |
| .gt_dx13_done: |
| |
| mov bx,.y3 |
| sub bx,.y2 |
| jnz .gt_dx23_make |
| mov .dx23,0 |
| mov .dc23r,0 |
| mov .dc23g,0 |
| mov .dc23b,0 |
| xor edx,edx |
| mov ecx,4 |
| @@: |
| push edx |
| loop @b |
| ; mov .dx23,0 |
| ; mov .dc23r,0 |
| ; mov .dc23g,0 |
| ; mov .dc23b,0 |
| jmp .gt_dx23_done |
| .gt_dx23_make: |
| mov ax,.x3 |
| 190,7 → 212,8 |
|---|
| shl eax,ROUND |
| cdq |
| idiv ebx |
| mov .dx23,eax |
| ; mov .dx23,eax |
| push eax |
| |
| mov ax,word[.col3r] |
| sub ax,word[.col2r] |
| 198,7 → 221,10 |
|---|
| shl eax,ROUND |
| cdq |
| idiv ebx |
| mov .dc23r,eax |
| ; mov .dc23r,eax |
| push eax |
| |
| |
| mov ax,word[.col3g] |
| sub ax,word[.col2g] |
| cwde |
| 205,7 → 231,9 |
|---|
| shl eax,ROUND |
| cdq |
| idiv ebx |
| mov .dc23g,eax |
| ; mov .dc23g,eax |
| push eax |
| |
| mov ax,word[.col3b] |
| sub ax,word[.col2b] |
| cwde |
| 212,9 → 240,11 |
|---|
| shl eax,ROUND |
| cdq |
| idiv ebx |
| mov .dc23b,eax |
| ; mov .dc23b,eax |
| push eax |
| |
| .gt_dx23_done: |
| |
| sub esp,24 |
| movsx eax,.x1 |
| shl eax,ROUND |
| mov ebx,eax |
| 240,6 → 270,8 |
|---|
| push edi |
| push ebp |
| |
| sar ebx,ROUND |
| push bx |
| mov edx,.c2r ; c2r,c2g,c2b,c1r,c1g,c1b - current colors |
| sar edx,ROUND |
| push dx |
| 249,6 → 281,9 |
|---|
| mov edx,.c2b |
| sar edx,ROUND |
| push dx |
| |
| sar eax,ROUND |
| push ax |
| mov edx,.c1r |
| sar edx,ROUND |
| push dx |
| 259,10 → 294,6 |
|---|
| sar edx,ROUND |
| push dx |
| push cx |
| sar ebx,ROUND |
| push bx |
| sar eax,ROUND |
| push ax |
| call gouraud_line |
| |
| pop ebp |
| 271,16 → 302,28 |
|---|
| pop ebx |
| pop eax |
| |
| if Ext >= MMX |
| movq mm0,.c1g |
| paddd mm0,.dc13g |
| movq .c1g,mm0 |
| else |
| mov edx,.dc13r |
| add .c1r,edx |
| mov edx,.dc13g |
| add .c1g,edx |
| end if |
| mov edx,.dc13b |
| add .c1b,edx |
| if Ext >= MMX |
| movq mm0,.c2g |
| paddd mm0,.dc12g |
| movq .c2g,mm0 |
| else |
| mov edx,.dc12r |
| add .c2r,edx |
| mov edx,.dc12g |
| add .c2g,edx |
| end if |
| mov edx,.dc12b |
| add .c2b,edx |
| |
| 313,6 → 356,8 |
|---|
| push edi |
| push ebp |
| |
| sar ebx,ROUND |
| push bx |
| mov edx,.c2r |
| sar edx,ROUND |
| push dx |
| 322,6 → 367,9 |
|---|
| mov edx,.c2b |
| sar edx,ROUND |
| push dx |
| |
| sar eax,ROUND |
| push ax |
| mov edx,.c1r |
| sar edx,ROUND |
| push dx |
| 332,10 → 380,6 |
|---|
| sar edx,ROUND |
| push dx |
| push cx |
| sar ebx,ROUND |
| push bx |
| sar eax,ROUND |
| push ax |
| call gouraud_line |
| |
| pop ebp |
| 344,16 → 388,28 |
|---|
| pop ebx |
| pop eax |
| |
| if Ext >= MMX |
| movq mm0,.c1g |
| paddd mm0,.dc13g |
| movq .c1g,mm0 |
| else |
| mov edx,.dc13r |
| add .c1r,edx |
| mov edx,.dc13g |
| add .c1g,edx |
| end if |
| mov edx,.dc13b |
| add .c1b,edx |
| if Ext >= MMX |
| movq mm0,.c2g |
| paddd mm0,.dc23g |
| movq .c2g,mm0 |
| else |
| mov edx,.dc23r |
| add .c2r,edx |
| mov edx,.dc23g |
| add .c2g,edx |
| end if |
| mov edx,.dc23b |
| add .c2b,edx |
| |
| 370,15 → 426,15 |
|---|
| gouraud_line: |
| ;-------------in - edi - pointer to screen buffer |
| ;----------------- stack - another parameters |
| .x1 equ word [ebp+4] |
| .x2 equ word [ebp+6] |
| .y equ word [ebp+8] |
| .col1b equ ebp+10 |
| .col1g equ ebp+12 |
| .col1r equ ebp+14 |
| .col2b equ ebp+16 |
| .col2g equ ebp+18 |
| .col2r equ ebp+20 |
| .y equ word [ebp+4] |
| .col1b equ ebp+6 |
| .col1g equ ebp+8 |
| .col1r equ ebp+10 |
| .x1 equ [ebp+12] |
| .col2b equ ebp+14 |
| .col2g equ ebp+16 |
| .col2r equ ebp+18 |
| .x2 equ [ebp+20] |
| .dc_r equ dword[ebp-4] |
| .dc_g equ dword[ebp-8] |
| .dc_b equ dword[ebp-12] |
| 395,14 → 451,19 |
|---|
| je .gl_quit |
| jl .gl_ok |
| |
| xchg ax,.x2 |
| mov .x1,ax |
| mov eax,dword[.col1b] |
| xchg eax,dword[.col2b] |
| mov dword[.col1b],eax |
| mov ax,word[.col1r] |
| xchg ax,word[.col2r] |
| mov word[.col1r],ax |
| if Ext >= MMX |
| movq mm0,[.col1b] |
| movq mm1,[.col2b] |
| movq [.col1b],mm1 |
| movq [.col2b],mm0 |
| else |
| mov eax,[.col1b] |
| xchg eax,[.col2b] |
| mov [.col1b],eax |
| mov eax,[.col1r] |
| xchg eax,[.col2r] |
| mov [.col1r],eax |
| end if |
| .gl_ok: |
| ; cmp .x1,SIZE_X-1 ;check |
| ; jg .gl_quit |
| 420,7 → 481,7 |
|---|
| movsx ecx,.y |
| mov eax,SIZE_X*3 |
| mul ecx |
| movsx ebx,.x1 |
| movsx ebx,word .x1 |
| lea ecx,[ebx*2+eax] |
| add edi,ecx |
| add edi,ebx |
| 478,4 → 539,152 |
|---|
| .gl_quit: |
| ; add esp,12 |
| mov esp,ebp |
| ret 18 |
| ret 18 |
| if 0 |
| gouraud_line_SSE: ; new |
| ;-------------in - edi - pointer to screen buffer |
| ;----------------- stack - another parameters |
| .y equ word [ebp+4] |
| .col1b equ ebp+6 |
| .col1g equ ebp+8 |
| .col1r equ ebp+10 |
| .x1 equ [ebp+12] |
| .col2b equ ebp+14 |
| .col2g equ ebp+16 |
| .col2r equ ebp+18 |
| .x2 equ [ebp+20] |
| .dc_r equ dword[ebp-4] |
| .dc_g equ dword[ebp-8] |
| .dc_b equ dword[ebp-12] |
| .lenght equ [ebp-16] |
| .factor equ [ebp-24] ;new |
| mov ebp,esp |
| |
| mov ax,.y |
| or ax,ax |
| jl .gl_quit |
| cmp ax,SIZE_Y-1 |
| jg .gl_quit |
| |
| mov ax,.x1 |
| cmp ax,.x2 |
| je .gl_quit |
| jl .gl_ok |
| |
| if Ext >= MMX |
| movq mm0,[.col1b] |
| movq mm1,[.col2b] |
| movq [.col1b],mm1 |
| movq [.col2b],mm0 |
| else |
| mov eax,[.col1b] |
| xchg eax,[.col2b] |
| mov [.col1b],eax |
| mov eax,[.col1r] |
| xchg eax,[.col2r] |
| mov [.col1r],eax |
| end if |
| .gl_ok: |
| ; cmp .x1,SIZE_X-1 ;check |
| ; jg .gl_quit |
| ; cmp .x2,SIZE_X-1 |
| ; jl @f |
| ; mov .x2,SIZE_X-1 |
| ; @@: |
| ; cmp .x1,0 |
| ; jg @f |
| ; mov .x1,0 |
| ; @@: |
| ; cmp .x2,0 |
| ; jl .gl_quit |
| |
| movsx ecx,.y |
| mov eax,SIZE_X*3 |
| mul ecx |
| movsx ebx,word .x1 |
| lea ecx,[ebx*2+eax] |
| add edi,ecx |
| add edi,ebx |
| |
| mov ax,word[.col2r] |
| sub ax,word[.col1r] |
| cwde |
| shl eax,ROUND |
| cdq |
| mov cx,.x2 |
| sub cx,.x1 |
| movsx ecx,cx |
| idiv ecx |
| ;mov .dc_r,eax ;first delta |
| push eax |
| |
| mov ax,word[.col2g] |
| sub ax,word[.col1g] |
| cwde |
| shl eax,ROUND |
| cdq |
| idiv ecx |
| ;mov .dc_g,eax |
| push eax |
| |
| mov ax,word[.col2b] |
| sub ax,word[.col1b] |
| cwde |
| shl eax,ROUND |
| cdq |
| idiv ecx |
| ; mov .dc_b,eax |
| push eax |
| |
| movsx ebx,word[.col1r] |
| shl ebx,ROUND |
| movsx edx,word[.col1g] |
| shl edx,ROUND |
| movsx esi,word[.col1b] |
| shl esi,ROUND |
| |
| push ecx ; store line lenght |
| movd mm3,.dc_r |
| psrlq mm3,16 ; load dr to lowest word of mm3 |
| pxor mm2,mm2 ; clear mm2 |
| movd mm4,.dc_g |
| punpcklwd mm3,mm3 ; unpack dr to lower 2 words in in mm3 |
| psrlq mm4,16 ; load dg to lowest word of mm4 |
| movd mm5,.dc_b |
| psrlq mm5,16 ; load db to lowest word of mm5 |
| punpcklwd mm4,mm4 ; unpack dg to lower 2 words in in mm3 |
| lea ecx,[factor] |
| punpckldq mm3,mm3 |
| punpcklwd mm5,mm5 ; unpack db to lower 2 words in in mm5 |
| movq mm6,[.col1b] |
| xor eax,eax |
| pinsrw mm6,eax,3 ; clear the highest word in mm6 |
| mov eax,010000h |
| punpckldq mm4,mm4 ; unpack dg to 4 words in mm4 |
| mov [ecx],eax |
| mov eax,030002h |
| punpckldq mm5,mm5 ; unpack db to 4 words in mm5 |
| movq mm7,mm6 ; load r1r1,g1g1,b1b1 to the first three |
| ; words of mm7 |
| pxor mm1,mm1 ; clear mm1 |
| |
| |
| .gl_draw: |
| mov eax,ebx |
| sar eax,ROUND |
| stosb |
| mov eax,edx |
| sar eax,ROUND |
| stosb |
| mov eax,esi |
| sar eax,ROUND |
| stosb |
| add ebx,.dc_r |
| add edx,.dc_g |
| add esi,.dc_b |
| loop .gl_draw |
| .gl_quit: |
| ; add esp,12 |
| mov esp,ebp |
| ret 18 |
| end if |