| 355,12 → 355,6 |
|---|
| align 4 |
| fl_1e_3 dd 1.0e-3 |
| |
| if DEBUG |
| txt_mate db 'Material',0 |
| txt_colo db 'Color',0 |
| txt_rgba db 'R, G, B',0 |
| end if |
| |
| ; non optimized lightening model |
| align 4 |
| proc gl_shade_vertex, context:dword, v:dword |
| 386,6 → 380,16 |
|---|
| ; ebx -> GLLight *l |
| ; ecx -> GLMaterial *m |
| ; esi -> GLVertex *v |
| |
| ;n = v.normal |
| ;d = l.position |
| ; diffuse light |
| ;dot = d*n |
| ;dot_spot = d*l.norm_spot_direction |
| ; specular light |
| ;s = d-v.ec |
| ;dot_spec = n*s |
| |
| mov esi,[v] |
| mov edx,[context] |
| mov ecx,edx |
| 401,20 → 405,6 |
|---|
| movsd ;n.Z=v.normal.Z |
| mov esi,[v] |
| |
| if DEBUG ;offs_mate_emission, offs_mate_ambient, offs_mate_specular, offs_mate_diffuse |
| push ecx |
| stdcall dbg_print,txt_mate,txt_nl |
| add ecx,offs_mate_emission |
| stdcall gl_print_matrix,ecx,1 |
| add ecx,offs_mate_ambient-offs_mate_emission |
| stdcall gl_print_matrix,ecx,1 |
| add ecx,offs_mate_specular-offs_mate_ambient |
| stdcall gl_print_matrix,ecx,1 |
| add ecx,offs_mate_diffuse-offs_mate_specular |
| stdcall gl_print_matrix,ecx,1 |
| pop ecx |
| end if |
| |
| fld dword[edx+offs_cont_ambient_light_model] |
| fmul dword[ecx+offs_mate_ambient] |
| fadd dword[ecx] ;offs_mate_emission=0 |
| 454,12 → 444,12 |
|---|
| ; light at infinity |
| ffree st0 ;l.position.v[3] |
| fincstp |
| mov eax,[ebx+offs_ligh_position] |
| mov [d],eax ;d.X=l.position.v[0] |
| mov eax,[ebx+offs_ligh_position+offs_Y] |
| mov [d+offs_Y],eax ;d.Y=l.position.v[1] |
| mov eax,[ebx+offs_ligh_position+offs_Z] |
| mov [d+offs_Z],eax ;d.Z=l.position.v[2] |
| mov eax,[ebx+offs_ligh_norm_position] |
| mov [d],eax ;d.X=l.norm_position.v[0] |
| mov eax,[ebx+offs_ligh_norm_position+offs_Y] |
| mov [d+offs_Y],eax ;d.Y=l.norm_position.v[1] |
| mov eax,[ebx+offs_ligh_norm_position+offs_Z] |
| mov [d+offs_Z],eax ;d.Z=l.norm_position.v[2] |
| mov dword[att],1.0 |
| jmp .els_0_end |
| .els_0: |
| 562,10 → 552,10 |
|---|
| je .if1_end |
| fld dword[ebx+offs_ligh_norm_spot_direction] |
| fmul dword[d] |
| fld dword[ebx+offs_ligh_norm_spot_direction+4] |
| fld dword[ebx+offs_ligh_norm_spot_direction+offs_Y] |
| fmul dword[d+offs_Y] |
| faddp |
| fld dword[ebx+offs_ligh_norm_spot_direction+8] |
| fld dword[ebx+offs_ligh_norm_spot_direction+offs_Z] |
| fmul dword[d+offs_Z] |
| faddp |
| fchs |
| 756,13 → 746,6 |
|---|
| mov [esi+offs_vert_color+8],eax ;v.color.v[2]=clampf(B,0,1) |
| mov eax,[A] |
| mov [esi+offs_vert_color+12],eax ;v.color.v[3]=A |
| if DEBUG ;offs_vert_color |
| push esi |
| stdcall dbg_print,txt_colo,txt_nl |
| add esi,offs_vert_color |
| stdcall gl_print_matrix,esi,1 |
| pop esi |
| end if |
| popad |
| ret |
| endp |