align 4
proc glopViewport uses eax ebx ecx edx, context:dword, p:dword
locals
xsize dd ? ;int
ysize dd ? ;int
xmin dd ? ;int
ymin dd ? ;int
xsize_req dd ? ;int
ysize_req dd ? ;int
endl
mov edx,[context]
mov ebx,[p]
mov ecx,[ebx+4]
mov [xmin],ecx
mov ecx,[ebx+8]
mov [ymin],ecx
mov ecx,[ebx+12]
mov [xsize],ecx
mov ecx,[ebx+16]
mov [ysize],ecx
; we may need to resize the zbuffer
cmp dword[edx+offs_cont_viewport+offs_vpor_ysize],ecx
jne @f
mov ecx,[xmin]
cmp dword[edx+offs_cont_viewport+offs_vpor_xmin],ecx
jne @f
mov ecx,[ymin]
cmp dword[edx+offs_cont_viewport+offs_vpor_ymin],ecx
jne @f
mov ecx,[xsize]
cmp dword[edx+offs_cont_viewport+offs_vpor_xsize],ecx
jne @f
jmp .end_f
@@:
mov ecx,[xmin]
add ecx,[xsize]
mov [xsize_req],ecx ;xsize_req = xmin + xsize
mov ecx,[ymin]
add ecx,[ysize]
mov [ysize_req],ecx ;ysize_req = ymin + ysize
cmp dword[edx+offs_cont_gl_resize_viewport],0
je @f
mov eax,ebp
sub eax,4
push eax
sub eax,4
push eax
stdcall dword[edx+offs_cont_gl_resize_viewport], edx ;gl_resize_viewport(context,&xsize_req,&ysize_req)
cmp eax,0
je @f
stdcall dbg_print,sz_glViewport,err_4
@@:
mov ecx,[xsize_req]
sub ecx,[xmin]
mov [xsize],ecx
mov ecx,[ysize_req]
sub ecx,[ymin]
mov [ysize],ecx
cmp ecx,0
jg @f
cmp dword[xsize],0
jg @f
stdcall dbg_print,sz_glViewport,err_5
@@:
mov ecx,[xmin]
mov dword[edx+offs_cont_viewport+offs_vpor_xmin],ecx
mov ecx,[ymin]
mov dword[edx+offs_cont_viewport+offs_vpor_ymin],ecx
mov ecx,[xsize]
mov dword[edx+offs_cont_viewport+offs_vpor_xsize],ecx
mov ecx,[ysize]
mov dword[edx+offs_cont_viewport+offs_vpor_ysize],ecx
mov dword[edx+offs_cont_viewport+offs_vpor_updated],1
.end_f:
ret
endp
align 4
proc glopEnableDisable uses eax ebx ecx, context:dword, p:dword
mov eax,[context]
mov ebx,[p]
mov ecx,[ebx+8]
mov ebx,[ebx+4]
cmp ebx,GL_CULL_FACE
jne @f
mov [eax+offs_cont_cull_face_enabled],ecx
jmp .end_f
@@:
cmp ebx,GL_LIGHTING
jne @f
mov [eax+offs_cont_lighting_enabled],ecx
jmp .end_f
@@:
cmp ebx,GL_COLOR_MATERIAL
jne @f
mov [eax+offs_cont_color_material_enabled],ecx
jmp .end_f
@@:
cmp ebx,GL_TEXTURE_2D
jne @f
mov [eax+offs_cont_texture_2d_enabled],ecx
jmp .end_f
@@:
cmp ebx,GL_NORMALIZE
jne @f
mov [eax+offs_cont_normalize_enabled],ecx
jmp .end_f
@@:
cmp ebx,GL_DEPTH_TEST
jne @f
mov [eax+offs_cont_depth_test],ecx
jmp .end_f
@@:
cmp ebx,GL_POLYGON_OFFSET_FILL
jne .polygon_offset_fill
cmp ecx,0
je @f
or dword[eax+offs_cont_offset_states],TGL_OFFSET_FILL
jmp .end_f
@@:
and dword[eax+offs_cont_offset_states],not TGL_OFFSET_FILL
jmp .end_f
.polygon_offset_fill:
cmp ebx,GL_POLYGON_OFFSET_POINT
jne .polygon_offset_point
cmp ecx,0
je @f
or dword[eax+offs_cont_offset_states],TGL_OFFSET_POINT
jmp .end_f
@@:
and dword[eax+offs_cont_offset_states],not TGL_OFFSET_POINT
jmp .end_f
.polygon_offset_point:
cmp ebx,GL_POLYGON_OFFSET_LINE
jne .polygon_offset_line
cmp ecx,0
je @f
or dword[eax+offs_cont_offset_states],TGL_OFFSET_LINE
jmp .end_f
@@:
and dword[eax+offs_cont_offset_states],not TGL_OFFSET_LINE
jmp .end_f
.polygon_offset_line: ;default:
cmp ebx,GL_LIGHT0
jl .els_0
cmp ebx,GL_LIGHT0+MAX_LIGHTS
jge .els_0 ;if (GL_LIGHT0 <= ebx < GL_LIGHT0+MAX_LIGHTS)
sub ebx,GL_LIGHT0
stdcall gl_enable_disable_light, eax,ebx,ecx
jmp .end_f
.els_0:
;//fprintf(stderr,"glEnableDisable: 0x%X not supported.\n",code);
.end_f:
ret
endp
align 4
proc glopShadeModel uses eax ebx, context:dword,p:dword
mov eax,[context]
mov ebx,[p]
mov ebx,[ebx+4]
mov [eax+offs_cont_current_shade_model],ebx
ret
endp
align 4
proc glopCullFace uses eax ebx, context:dword,p:dword
mov eax,[context]
mov ebx,[p]
mov ebx,[ebx+4]
mov [eax+offs_cont_current_cull_face],ebx
ret
endp
align 4
proc glopFrontFace uses eax ebx, context:dword,p:dword
mov eax,[context]
mov ebx,[p]
mov ebx,[ebx+4]
mov [eax+offs_cont_current_front_face],ebx
ret
endp
align 4
proc glopPolygonMode uses eax ebx, context:dword,p:dword
mov eax,[context]
mov ebx,[p]
cmp dword[ebx+4],GL_BACK
jne @f
mov ebx,[ebx+8]
mov [eax+offs_cont_polygon_mode_back],ebx
jmp .end_f
@@:
cmp dword[ebx+4],GL_FRONT
jne @f
mov ebx,[ebx+8]
mov [eax+offs_cont_polygon_mode_front],ebx
jmp .end_f
@@:
cmp dword[ebx+4],GL_FRONT_AND_BACK
jne @f
mov ebx,[ebx+8]
mov [eax+offs_cont_polygon_mode_front],ebx
mov [eax+offs_cont_polygon_mode_back],ebx
jmp .end_f
@@:
; assert(0);
.end_f:
ret
endp
align 4
proc glopHint, context:dword,p:dword
if 0
; int target=p[1].i;
; int mode=p[2].i;
; do nothing
end if
ret
endp
align 4
proc glopPolygonOffset uses eax ebx ecx, context:dword,p:dword
mov eax,[context]
mov ebx,[p]
mov ecx,[ebx+4]
mov [eax+offs_cont_offset_factor],ecx
mov ecx,[ebx+8]
mov [eax+offs_cont_offset_units],ecx
ret
endp