align 4
proc initSharedState uses eax ebx, context:dword
mov ebx,[context]
stdcall gl_zalloc, 4*MAX_DISPLAY_LISTS
mov [ebx+offs_cont_shared_state],eax ;...lists=gl_zalloc(...)
stdcall gl_zalloc, 4*TEXTURE_HASH_TABLE_SIZE
mov [ebx+offs_cont_shared_state+4],eax ;...texture_hash_table=gl_zalloc(...)
stdcall alloc_texture, [context],0
ret
endp
align 4
proc endSharedState uses eax ebx, context:dword
mov ebx,[context]
mov ebx,[ebx+offs_cont_shared_state]
; int i;
; for(i=0;i<MAX_DISPLAY_LISTS;i++) {
; /* TODO */
; }
stdcall gl_free, dword[ebx] ;lists
stdcall gl_free, dword[ebx+4] ;texture_hash_table
ret
endp
align 4
proc glInit uses eax ebx ecx edx, zbuffer1:dword
; int i;
stdcall gl_zalloc,sizeof.GLContext
mov dword[gl_ctx],eax
mov edx,eax
mov ecx,[zbuffer1]
mov dword[edx+offs_cont_zb],ecx
; allocate GLVertex array
mov dword[edx+offs_cont_vertex_max],POLYGON_MAX_VERTEX
stdcall gl_malloc, POLYGON_MAX_VERTEX*sizeof.GLVertex
mov dword[edx+offs_cont_vertex],eax
; viewport
mov dword[edx+offs_cont_viewport+offs_vpor_xmin],0
mov dword[edx+offs_cont_viewport+offs_vpor_ymin],0
mov eax,[ecx+offs_zbuf_xsize]
mov dword[edx+offs_cont_viewport+offs_vpor_xsize], eax
mov eax,[ecx+offs_zbuf_ysize]
mov dword[edx+offs_cont_viewport+offs_vpor_ysize], eax
mov dword[edx+offs_cont_viewport+offs_vpor_updated],1
; shared state
stdcall initSharedState,edx
; lists
mov dword[edx+offs_cont_exec_flag],1
mov dword[edx+offs_cont_compile_flag],0
mov dword[edx+offs_cont_print_flag],0
mov dword[edx+offs_cont_in_begin],0
; lights
mov ecx,MAX_LIGHTS
mov eax,edx
add eax,offs_cont_lights
.cycle_0:
gl_V4_New eax+offs_ligh_ambient, 0.0,0.0,0.0,1.0
gl_V4_New eax+offs_ligh_diffuse, 1.0,1.0,1.0,1.0
gl_V4_New eax+offs_ligh_specular, 1.0,1.0,1.0,1.0
gl_V4_New eax+offs_ligh_position, 0.0,0.0,1.0,0.0
gl_V3_New eax+offs_ligh_norm_position, 0.0,0.0,1.0
gl_V3_New eax+offs_ligh_spot_direction, 0.0,0.0,-1.0
gl_V3_New eax+offs_ligh_norm_spot_direction, 0.0,0.0,-1.0
mov dword[eax+offs_ligh_spot_exponent],0.0
mov dword[eax+offs_ligh_spot_cutoff],180.0
mov dword[eax+offs_ligh_attenuation],1.0
mov dword[eax+offs_ligh_attenuation+4],0.0
mov dword[eax+offs_ligh_attenuation+8],0.0
mov dword[eax+offs_ligh_enabled],0
add eax,sizeof.GLLight
dec ecx
cmp ecx,0
jg .cycle_0
mov dword[edx+offs_cont_first_light],0 ;NULL
gl_V4_New edx+offs_cont_ambient_light_model, 0.2,0.2,0.2,1.0
mov dword[edx+offs_cont_local_light_model],0
mov dword[edx+offs_cont_lighting_enabled],0
mov dword[edx+offs_cont_light_model_two_side],0
; default materials
mov ecx,2 ;for(i=0;i<2;i++)
mov eax,edx
add eax,offs_cont_materials
@@:
gl_V4_New eax+offs_mate_emission, 0.0,0.0,0.0,1.0
gl_V4_New eax+offs_mate_ambient, 0.2,0.2,0.2,1.0
gl_V4_New eax+offs_mate_diffuse, 0.8,0.8,0.8,1.0
gl_V4_New eax+offs_mate_specular, 0.0,0.0,0.0,1.0
mov dword[eax+offs_mate_shininess], 0.0
add eax,sizeof.GLMaterial
loop @b
mov dword[edx+offs_cont_current_color_material_mode],GL_FRONT_AND_BACK
mov dword[edx+offs_cont_current_color_material_type],GL_AMBIENT_AND_DIFFUSE
mov dword[edx+offs_cont_color_material_enabled],0
; textures
stdcall glInitTextures,edx
; default state
mov dword[edx+offs_cont_current_color],1.0
mov dword[edx+offs_cont_current_color+4],1.0
mov dword[edx+offs_cont_current_color+8],1.0
mov dword[edx+offs_cont_current_color+12],1.0
mov dword[edx+offs_cont_longcurrent_color],65535
mov dword[edx+offs_cont_longcurrent_color+4],65535
mov dword[edx+offs_cont_longcurrent_color+8],65535
mov dword[edx+offs_cont_current_normal],1.0
mov dword[edx+offs_cont_current_normal+4],0.0
mov dword[edx+offs_cont_current_normal+8],0.0
mov dword[edx+offs_cont_current_normal+12],0.0
mov dword[edx+offs_cont_current_edge_flag],1
mov dword[edx+offs_cont_current_tex_coord],0.0
mov dword[edx+offs_cont_current_tex_coord+4],0.0
mov dword[edx+offs_cont_current_tex_coord+8],0.0
mov dword[edx+offs_cont_current_tex_coord+12],1.0
mov dword[edx+offs_cont_polygon_mode_front],GL_FILL
mov dword[edx+offs_cont_polygon_mode_back],GL_FILL
mov dword[edx+offs_cont_current_front_face],0 ;0 = GL_CCW 1 = GL_CW
mov dword[edx+offs_cont_current_cull_face],GL_BACK
mov dword[edx+offs_cont_current_shade_model],GL_SMOOTH
mov dword[edx+offs_cont_cull_face_enabled],0
; clear
mov dword[edx+offs_cont_clear_color],0.0
mov dword[edx+offs_cont_clear_color+4],0.0
mov dword[edx+offs_cont_clear_color+8],0.0
mov dword[edx+offs_cont_clear_color+12],0.0
mov dword[edx+offs_cont_clear_depth],0
; selection
mov dword[edx+offs_cont_render_mode],GL_RENDER
mov dword[edx+offs_cont_select_buffer],0 ;NULL
mov dword[edx+offs_cont_name_stack_size],0
; matrix
mov dword[edx+offs_cont_matrix_mode],0
mov dword[edx+offs_cont_matrix_stack_depth_max],MAX_MODELVIEW_STACK_DEPTH
mov dword[edx+offs_cont_matrix_stack_depth_max+4],MAX_PROJECTION_STACK_DEPTH
mov dword[edx+offs_cont_matrix_stack_depth_max+8],MAX_TEXTURE_STACK_DEPTH
mov ecx,3 ;for(i=0;i<3;i++)
mov ebx,edx
@@:
mov edi,[ebx+offs_cont_matrix_stack_depth_max]
shl edi,6 ;вместо imul edi,sizeof(M4)
stdcall gl_zalloc,edi
mov [ebx+offs_cont_matrix_stack],eax
mov [ebx+offs_cont_matrix_stack_ptr],eax
add ebx,4
loop @b
stdcall glMatrixMode,GL_PROJECTION
call glLoadIdentity
stdcall glMatrixMode,GL_TEXTURE
call glLoadIdentity
stdcall glMatrixMode,GL_MODELVIEW
call glLoadIdentity
mov dword[edx+offs_cont_matrix_model_projection_updated],1
; opengl 1.1 arrays
mov dword[edx+offs_cont_client_states],0
; opengl 1.1 polygon offset
mov dword[edx+offs_cont_offset_states],0
; clear the resize callback function pointer
mov dword[edx+offs_cont_gl_resize_viewport],0 ;NULL
; specular buffer
mov dword[edx+offs_cont_specbuf_first],0 ;NULL
mov dword[edx+offs_cont_specbuf_used_counter],0
mov dword[edx+offs_cont_specbuf_num_buffers],0
; depth test
mov dword[edx+offs_cont_depth_test],0
ret
endp
align 4
proc glClose uses eax
call gl_get_context
stdcall endSharedState,eax
stdcall gl_free,eax
ret
endp