forked from KolibriOS/kolibrios
62b33c4994
Can draw lines, and do some matrix operations. git-svn-id: svn://kolibrios.org@5153 a494cfbc-eb01-0410-851d-a64ba20cac60
361 lines
7.3 KiB
NASM
361 lines
7.3 KiB
NASM
VERTEX_ARRAY equ 0x0001
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COLOR_ARRAY equ 0x0002
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NORMAL_ARRAY equ 0x0004
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TEXCOORD_ARRAY equ 0x0008
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align 4
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proc glopArrayElement uses eax ebx ecx edx, context:dword, param:dword
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locals
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p rd 5
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endl
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mov eax,[context]
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mov ebx,[param]
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mov ebx,[ebx+4] ;ebx = p[1]
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bt dword[eax+offs_cont_client_states],1 ;2^1=COLOR_ARRAY
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jnc @f
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mov ecx,[eax+offs_cont_color_array_size]
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add ecx,[eax+offs_cont_color_array_stride]
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imul ecx,ebx
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shl ecx,2
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add ecx,eax
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add ecx,offs_cont_color_array ;ecx = &context.color_array[i]
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mov ebx,ebp
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sub ebx,20 ;=sizeof(dd)*5
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mov edx,[ecx]
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mov [ebx+4],edx
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mov edx,[ecx+4]
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mov [ebx+8],edx
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mov edx,[ecx+8]
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mov [ebx+12],edx
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cmp dword[eax+offs_cont_color_array_size],3
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jg .l0
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mov edx,1.0
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jmp .l1
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.l0:
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mov edx,[ecx+12]
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.l1:
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mov [ebx+16],edx
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stdcall glopColor, eax, ebx
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@@:
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bt dword[eax+offs_cont_client_states],2 ;2^2=NORMAL_ARRAY
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jnc @f
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mov esi,dword[eax+offs_cont_normal_array_stride]
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add esi,3
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imul esi,ebx
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shl esi,2
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add esi,eax
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add esi,offs_cont_normal_array ;esi = &normal_array[ebx * (3 + c->normal_array_stride)]
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mov edi,eax
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add edi,offs_cont_current_normal
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mov ecx,3
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rep movsd
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mov dword[edi],0.0
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@@:
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bt dword[eax+offs_cont_client_states],3 ;2^3=TEXCOORD_ARRAY
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jnc @f
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mov ecx,[eax+offs_cont_texcoord_array_size]
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add ecx,[eax+offs_cont_texcoord_array_stride]
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imul ecx,ebx
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shl ecx,2
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add ecx,eax
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add ecx,offs_cont_texcoord_array ;ecx = &context.texcoord_array[i]
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mov edx,[ecx]
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mov [eax+offs_cont_current_tex_coord],edx
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mov edx,[ecx+4]
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mov [eax+offs_cont_current_tex_coord+4],edx
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cmp dword[eax+offs_cont_texcoord_array_size],2
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jg .l2
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mov edx,0.0
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jmp .l3
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.l2:
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mov edx,[ecx+8]
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.l3:
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mov [eax+offs_cont_current_tex_coord+8],edx
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cmp dword[eax+offs_cont_texcoord_array_size],3
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jg .l4
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mov edx,1.0
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jmp .l5
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.l4:
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mov edx,[ecx+12]
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.l5:
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mov [eax+offs_cont_current_tex_coord+12],edx
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@@:
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bt dword[eax+offs_cont_client_states],0 ;2^0=VERTEX_ARRAY
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jnc @f
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mov ecx,[eax+offs_cont_vertex_array_size]
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add ecx,[eax+offs_cont_vertex_array_stride]
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imul ecx,ebx
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shl ecx,2
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add ecx,eax
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add ecx,offs_cont_vertex_array ;ecx = &context.vertex_array[i]
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mov ebx,ebp
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sub ebx,20 ;=sizeof(dd)*5
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mov edx,[ecx]
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mov [ebx+4],edx
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mov edx,[ecx+4]
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mov [ebx+8],edx
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cmp dword[eax+offs_cont_vertex_array_size],2
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jg .l6
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mov edx,0.0
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jmp .l7
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.l6:
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mov edx,[ecx+8]
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.l7:
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mov [ebx+12],edx
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cmp dword[eax+offs_cont_vertex_array_size],3
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jg .l8
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mov edx,1.0
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jmp .l9
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.l8:
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mov edx,[ecx+12]
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.l9:
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mov [ebx+16],edx
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stdcall glopVertex, eax, ebx
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@@:
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ret
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endp
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align 4
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proc glArrayElement uses eax, i:dword
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locals
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p rd 2
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endl
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mov dword[p],OP_ArrayElement
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mov eax,[i]
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mov dword[p+4],eax
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mov eax,ebp
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sub eax,8 ;=sizeof(dd)*2
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stdcall gl_add_op,eax
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ret
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endp
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align 4
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proc glopEnableClientState uses eax ebx, context:dword, p:dword
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mov eax,[context]
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mov ebx,[p]
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mov ebx,[ebx+4] ;ebx = p[1]
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or dword[eax+offs_cont_client_states],ebx
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ret
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endp
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align 4
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proc glEnableClientState uses eax, array:dword
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locals
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p rd 2
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endl
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mov dword[p],OP_EnableClientState
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cmp dword[array],GL_VERTEX_ARRAY
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jne @f
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mov dword[p+4],VERTEX_ARRAY
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jmp .end_f
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@@:
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cmp dword[array],GL_NORMAL_ARRAY
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jne @f
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mov dword[p+4],NORMAL_ARRAY
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jmp .end_f
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@@:
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cmp dword[array],GL_COLOR_ARRAY
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jne @f
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mov dword[p+4],COLOR_ARRAY
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jmp .end_f
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@@:
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cmp dword[array],GL_TEXTURE_COORD_ARRAY
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jne @f
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mov dword[p+4],TEXCOORD_ARRAY
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jmp .end_f
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@@:
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;assert(0);
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.end_f:
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mov eax,ebp
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sub eax,8 ;=sizeof(dd)*2
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stdcall gl_add_op,eax
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ret
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endp
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align 4
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proc glopDisableClientState uses eax ebx, context:dword, p:dword
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mov eax,[context]
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mov ebx,[p]
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mov ebx,[ebx+4] ;ebx = p[1]
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and dword[eax+offs_cont_client_states],ebx
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ret
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endp
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align 4
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proc glDisableClientState uses eax, array:dword
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locals
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p rd 2
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endl
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mov dword[p],OP_DisableClientState
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cmp dword[array],GL_VERTEX_ARRAY
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jne @f
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mov dword[p+4], not VERTEX_ARRAY
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jmp .end_f
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@@:
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cmp dword[array],GL_NORMAL_ARRAY
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jne @f
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mov dword[p+4], not NORMAL_ARRAY
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jmp .end_f
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@@:
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cmp dword[array],GL_COLOR_ARRAY
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jne @f
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mov dword[p+4], not COLOR_ARRAY
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jmp .end_f
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@@:
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cmp dword[array],GL_TEXTURE_COORD_ARRAY
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jne @f
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mov dword[p+4], not TEXCOORD_ARRAY
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jmp .end_f
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@@:
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;assert(0);
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.end_f:
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mov eax,ebp
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sub eax,8 ;=sizeof(dd)*2
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stdcall gl_add_op,eax
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ret
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endp
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align 4
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proc glopVertexPointer uses eax ebx ecx, context:dword, p:dword
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mov eax,[context]
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mov ebx,[p]
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mov ecx,[ebx+4] ;ecx = p[1]
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mov dword[eax+offs_cont_vertex_array_size],ecx
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mov ecx,[ebx+8] ;ecx = p[2]
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mov dword[eax+offs_cont_vertex_array_stride],ecx
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mov ecx,[ebx+12] ;ecx = p[3]
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mov dword[eax+offs_cont_vertex_array],ecx
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ret
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endp
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align 4
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proc glVertexPointer uses eax, size:dword, type:dword, stride:dword, pointer:dword
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locals
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p rd 4
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endl
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; assert(type == GL_FLOAT);
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mov dword[p],OP_TexCoordPointer
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mov eax,[size]
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mov dword[p+4],eax
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mov eax,[stride]
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mov dword[p+8],eax
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mov eax,[pointer]
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mov dword[p+12],eax
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mov eax,ebp
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sub eax,16 ;=sizeof(dd)*4
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stdcall gl_add_op,eax
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ret
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endp
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align 4
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proc glopColorPointer uses eax ebx ecx, context:dword, p:dword
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mov eax,[context]
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mov ebx,[p]
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mov ecx,[ebx+4] ;ecx = p[1]
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mov dword[eax+offs_cont_color_array_size],ecx
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mov ecx,[ebx+8] ;ecx = p[2]
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mov dword[eax+offs_cont_color_array_stride],ecx
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mov ecx,[ebx+12] ;ecx = p[3]
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mov dword[eax+offs_cont_color_array],ecx
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ret
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endp
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align 4
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proc glColorPointer uses eax, size:dword, type:dword, stride:dword, pointer:dword
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locals
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p rd 4
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endl
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; assert(type == GL_FLOAT);
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mov dword[p],OP_ColorPointer
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mov eax,[size]
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mov dword[p+4],eax
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mov eax,[stride]
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mov dword[p+8],eax
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mov eax,[pointer]
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mov dword[p+12],eax
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mov eax,ebp
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sub eax,16 ;=sizeof(dd)*4
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stdcall gl_add_op,eax
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ret
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endp
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align 4
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proc glopNormalPointer uses eax ebx ecx, context:dword, p:dword
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mov eax,[context]
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mov ebx,[p]
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mov ecx,[ebx+4] ;ecx = p[1]
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mov dword[eax+offs_cont_normal_array_stride],ecx
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mov ecx,[ebx+8] ;ecx = p[2]
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mov dword[eax+offs_cont_normal_array],ecx
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ret
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endp
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align 4
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proc glNormalPointer uses eax, type:dword, stride:dword, pointer:dword
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locals
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p rd 3
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endl
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; assert(type == GL_FLOAT);
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mov dword[p],OP_NormalPointer
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mov eax,[stride]
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mov dword[p+4],eax
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mov eax,[pointer]
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mov dword[p+8],eax
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mov eax,ebp
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sub eax,12 ;=sizeof(dd)*3
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stdcall gl_add_op,eax
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ret
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endp
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align 4
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proc glopTexCoordPointer uses eax ebx ecx, context:dword, p:dword
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mov eax,[context]
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mov ebx,[p]
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mov ecx,[ebx+4] ;ecx = p[1]
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mov dword[eax+offs_cont_texcoord_array_size],ecx
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mov ecx,[ebx+8] ;ecx = p[2]
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mov dword[eax+offs_cont_texcoord_array_stride],ecx
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mov ecx,[ebx+12] ;ecx = p[3]
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mov dword[eax+offs_cont_texcoord_array],ecx
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ret
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endp
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align 4
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proc glTexCoordPointer uses eax, size:dword, type:dword, stride:dword, pointer:dword
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locals
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p rd 4
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endl
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; assert(type == GL_FLOAT);
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mov dword[p],OP_TexCoordPointer
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mov eax,[size]
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mov dword[p+4],eax
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mov eax,[stride]
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mov dword[p+8],eax
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mov eax,[pointer]
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mov dword[p+12],eax
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mov eax,ebp
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sub eax,16 ;=sizeof(dd)*4
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stdcall gl_add_op,eax
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ret
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endp
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