Rev 6145 | Rev 8062 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
5353 | IgorA | 1 | if DEBUG |
2 | f_vt db ' gl_vertex_transform',0 |
||
3 | end if |
||
5153 | IgorA | 4 | |
6145 | IgorA | 5 | align 16 |
5153 | IgorA | 6 | proc glopNormal uses ecx esi edi, context:dword, p:dword |
7 | mov esi,[p] |
||
8 | add esi,4 |
||
9 | mov edi,[context] |
||
6523 | IgorA | 10 | add edi,GLContext.current_normal |
5218 | IgorA | 11 | mov ecx,3 |
5153 | IgorA | 12 | rep movsd |
5218 | IgorA | 13 | mov dword[edi],0.0 ;context.current_normal.W = 0.0 |
5153 | IgorA | 14 | ret |
15 | endp |
||
16 | |||
6145 | IgorA | 17 | align 16 |
5153 | IgorA | 18 | proc glopTexCoord uses ecx esi edi, context:dword, p:dword |
19 | mov esi,[p] |
||
20 | add esi,4 |
||
21 | mov edi,[context] |
||
6523 | IgorA | 22 | add edi,GLContext.current_tex_coord |
5153 | IgorA | 23 | mov ecx,4 |
24 | rep movsd |
||
25 | ret |
||
26 | endp |
||
27 | |||
6145 | IgorA | 28 | align 16 |
5153 | IgorA | 29 | proc glopEdgeFlag uses eax ebx, context:dword, p:dword |
30 | mov eax,[context] |
||
31 | mov ebx,[p] |
||
32 | mov ebx,[ebx+4] ;ebx = p[1] |
||
6523 | IgorA | 33 | mov dword[eax+GLContext.current_edge_flag],ebx |
5153 | IgorA | 34 | ret |
35 | endp |
||
36 | |||
6145 | IgorA | 37 | align 16 |
5153 | IgorA | 38 | proc glopColor uses eax ecx esi edi, context:dword, p:dword |
39 | locals |
||
40 | q rd 7 |
||
41 | endl |
||
42 | ;current_color[3] = p[1-4] |
||
43 | ;longcurrent_color[2] = p[5-7] |
||
44 | mov esi,[p] |
||
45 | add esi,4 |
||
46 | mov edi,[context] |
||
6523 | IgorA | 47 | add edi,GLContext.current_color |
5153 | IgorA | 48 | mov ecx,7 |
49 | rep movsd |
||
50 | |||
51 | mov eax,[context] |
||
6523 | IgorA | 52 | cmp dword[eax+GLContext.color_material_enabled],0 |
5213 | IgorA | 53 | je @f |
5153 | IgorA | 54 | mov dword[q],OP_Material |
6523 | IgorA | 55 | mov ecx,[eax+GLContext.current_color_material_mode] |
5153 | IgorA | 56 | mov dword[q+4],ecx |
6523 | IgorA | 57 | mov ecx,[eax+GLContext.current_color_material_type] |
5153 | IgorA | 58 | mov dword[q+8],ecx |
59 | mov esi,[p] |
||
60 | add esi,4 |
||
5213 | IgorA | 61 | mov edi,ebp |
62 | sub edi,16 ;edi = &q[3] |
||
5153 | IgorA | 63 | mov ecx,4 |
64 | rep movsd |
||
5262 | IgorA | 65 | ;mov edi,ebp |
66 | sub edi,28 ;edi = &q |
||
67 | stdcall glopMaterial, eax,edi |
||
5153 | IgorA | 68 | @@: |
69 | ret |
||
70 | endp |
||
71 | |||
6145 | IgorA | 72 | align 16 |
5153 | IgorA | 73 | proc gl_eval_viewport uses eax, context:dword |
74 | locals |
||
75 | zsize dd ? ;float |
||
76 | endl |
||
77 | mov eax,[context] |
||
6523 | IgorA | 78 | add eax,GLContext.viewport ;eax = (GLViewport*) v |
5153 | IgorA | 79 | |
80 | mov dword[zsize],(1 shl (ZB_Z_BITS + ZB_POINT_Z_FRAC_BITS)) |
||
81 | fild dword[zsize] |
||
82 | fstp dword[zsize] |
||
83 | |||
84 | fld1 |
||
85 | fld1 |
||
86 | fadd st1,st0 ;st1 = 2.0 |
||
87 | fdiv st0,st1 ;st0 = 0.5 |
||
88 | |||
89 | fild dword[eax+offs_vpor_xsize] |
||
90 | fsub st0,st1 |
||
91 | fdiv st0,st2 |
||
92 | fst dword[eax+offs_vpor_scale+offs_X] |
||
93 | fiadd dword[eax+offs_vpor_xmin] |
||
94 | fstp dword[eax+offs_vpor_trans+offs_X] |
||
95 | |||
96 | fild dword[eax+offs_vpor_ysize] |
||
97 | fsub st0,st1 |
||
98 | fdiv st0,st2 |
||
99 | fchs |
||
100 | fst dword[eax+offs_vpor_scale+offs_Y] |
||
101 | fchs |
||
102 | fiadd dword[eax+offs_vpor_ymin] |
||
103 | fstp dword[eax+offs_vpor_trans+offs_Y] |
||
104 | |||
105 | fld dword[zsize] |
||
106 | fsub st0,st1 |
||
107 | fdiv st0,st2 |
||
108 | fchs |
||
109 | fst dword[eax+offs_vpor_scale+offs_Z] |
||
110 | fchs |
||
111 | mov dword[zsize],(1 shl ZB_POINT_Z_FRAC_BITS) / 2 |
||
112 | fiadd dword[zsize] |
||
113 | fstp dword[eax+offs_vpor_trans+offs_Z] |
||
114 | ret |
||
115 | endp |
||
116 | |||
117 | |||
6145 | IgorA | 118 | align 16 |
5153 | IgorA | 119 | proc glopBegin uses eax ebx ecx edx, context:dword, p:dword |
120 | locals |
||
121 | tmp M4 |
||
122 | endl |
||
5353 | IgorA | 123 | ;assert(context.in_begin == 0) |
5153 | IgorA | 124 | |
125 | mov edx,[context] |
||
126 | mov ebx,[p] |
||
127 | mov ebx,[ebx+4] ;ebx = p[1] |
||
6523 | IgorA | 128 | mov [edx+GLContext.begin_type],ebx |
129 | mov dword[edx+GLContext.in_begin],1 |
||
130 | mov dword[edx+GLContext.vertex_n],0 |
||
131 | mov dword[edx+GLContext.vertex_cnt],0 |
||
5153 | IgorA | 132 | |
6523 | IgorA | 133 | bt dword[edx+GLContext.matrix_model_projection_updated],0 |
5153 | IgorA | 134 | jnc .end_mmpu |
135 | |||
6523 | IgorA | 136 | cmp dword[edx+GLContext.lighting_enabled],0 ;if(context.lighting_enabled) |
6145 | IgorA | 137 | jne .if_0 |
6523 | IgorA | 138 | cmp dword[eax+GLContext.texture_2d_enabled],0 |
6145 | IgorA | 139 | jne .if_0 |
140 | jmp @f |
||
141 | align 4 |
||
142 | .if_0: |
||
5256 | IgorA | 143 | if DEBUG ;context.matrix_stack_ptr[0] |
6523 | IgorA | 144 | stdcall gl_print_matrix,dword[edx+GLContext.matrix_stack_ptr],4 |
5256 | IgorA | 145 | end if |
5153 | IgorA | 146 | ; precompute inverse modelview |
147 | mov ebx,ebp |
||
5353 | IgorA | 148 | sub ebx,sizeof.M4 |
6523 | IgorA | 149 | stdcall gl_M4_Inv, ebx,dword[edx+GLContext.matrix_stack_ptr] |
5256 | IgorA | 150 | if DEBUG ;tmp |
151 | stdcall dbg_print,txt_sp,txt_nl |
||
152 | stdcall gl_print_matrix,ebx,4 |
||
153 | end if |
||
154 | push ebx |
||
155 | mov ebx,edx |
||
6523 | IgorA | 156 | add ebx,GLContext.matrix_model_view_inv |
5256 | IgorA | 157 | stdcall gl_M4_Transpose, ebx |
158 | if DEBUG ;context.matrix_model_view_inv |
||
159 | stdcall dbg_print,txt_sp,txt_nl |
||
160 | stdcall gl_print_matrix,ebx,4 |
||
161 | end if |
||
5153 | IgorA | 162 | jmp .end_if_0 |
6145 | IgorA | 163 | align 4 |
5153 | IgorA | 164 | @@: |
165 | mov ecx,edx |
||
6523 | IgorA | 166 | add ecx,GLContext.matrix_model_projection |
5153 | IgorA | 167 | ; precompute projection matrix |
6523 | IgorA | 168 | stdcall gl_M4_Mul, ecx,dword[edx+GLContext.matrix_stack_ptr+4],dword[edx+GLContext.matrix_stack_ptr] |
5213 | IgorA | 169 | |
5153 | IgorA | 170 | ; test to accelerate computation |
6523 | IgorA | 171 | mov dword[edx+GLContext.matrix_model_projection_no_w_transform],0 |
5153 | IgorA | 172 | fldz |
173 | fld dword[ecx+12*4] |
||
174 | fcomp st1 |
||
175 | fstsw ax |
||
176 | sahf |
||
5353 | IgorA | 177 | jne @f |
5153 | IgorA | 178 | fld dword[ecx+13*4] |
179 | fcomp st1 |
||
180 | fstsw ax |
||
181 | sahf |
||
5353 | IgorA | 182 | jne @f |
5153 | IgorA | 183 | fld dword[ecx+14*4] |
184 | fcomp st1 |
||
185 | fstsw ax |
||
186 | sahf |
||
5353 | IgorA | 187 | jne @f |
6523 | IgorA | 188 | mov dword[edx+GLContext.matrix_model_projection_no_w_transform],1 |
5353 | IgorA | 189 | @@: |
190 | ffree st0 ;0.0 |
||
191 | fincstp |
||
5153 | IgorA | 192 | .end_if_0: |
193 | |||
194 | ; test if the texture matrix is not Identity |
||
5218 | IgorA | 195 | mov eax,edx |
6523 | IgorA | 196 | add eax,GLContext.matrix_stack_ptr+8 |
5218 | IgorA | 197 | stdcall gl_M4_IsId,eax |
198 | xor eax,1 |
||
6523 | IgorA | 199 | mov dword[edx+GLContext.apply_texture_matrix],eax |
5153 | IgorA | 200 | |
6523 | IgorA | 201 | mov dword[edx+GLContext.matrix_model_projection_updated],0 |
5153 | IgorA | 202 | .end_mmpu: |
203 | |||
204 | ; viewport |
||
6523 | IgorA | 205 | cmp dword[edx+GLContext.viewport+offs_vpor_updated],0 ;if (context.viewport.updated) |
5153 | IgorA | 206 | je @f |
207 | stdcall gl_eval_viewport,edx |
||
6523 | IgorA | 208 | mov dword[edx+GLContext.viewport+offs_vpor_updated],0 |
5153 | IgorA | 209 | @@: |
210 | ; triangle drawing functions |
||
6523 | IgorA | 211 | cmp dword[edx+GLContext.render_mode],GL_SELECT |
5153 | IgorA | 212 | jne @f |
6523 | IgorA | 213 | mov dword[edx+GLContext.draw_triangle_front],gl_draw_triangle_select |
214 | mov dword[edx+GLContext.draw_triangle_back],gl_draw_triangle_select |
||
5153 | IgorA | 215 | jmp .end_if_2 |
6145 | IgorA | 216 | align 4 |
5153 | IgorA | 217 | @@: |
218 | |||
6523 | IgorA | 219 | cmp dword[edx+GLContext.polygon_mode_front],GL_POINT |
5153 | IgorA | 220 | jne @f |
6523 | IgorA | 221 | mov dword[edx+GLContext.draw_triangle_front],gl_draw_triangle_point |
5153 | IgorA | 222 | jmp .end_if_1 |
6145 | IgorA | 223 | align 4 |
5153 | IgorA | 224 | @@: |
6523 | IgorA | 225 | cmp dword[edx+GLContext.polygon_mode_front],GL_LINE |
5153 | IgorA | 226 | jne @f |
6523 | IgorA | 227 | mov dword[edx+GLContext.draw_triangle_front],gl_draw_triangle_line |
5153 | IgorA | 228 | jmp .end_if_1 |
6145 | IgorA | 229 | align 4 |
5153 | IgorA | 230 | @@: ;default: |
6523 | IgorA | 231 | mov dword[edx+GLContext.draw_triangle_front],gl_draw_triangle_fill |
5153 | IgorA | 232 | .end_if_1: |
233 | |||
6523 | IgorA | 234 | cmp dword[edx+GLContext.polygon_mode_back],GL_POINT |
5153 | IgorA | 235 | jne @f |
6523 | IgorA | 236 | mov dword[edx+GLContext.draw_triangle_back],gl_draw_triangle_point |
5153 | IgorA | 237 | jmp .end_if_2 |
6145 | IgorA | 238 | align 4 |
5153 | IgorA | 239 | @@: |
6523 | IgorA | 240 | cmp dword[edx+GLContext.polygon_mode_back],GL_LINE |
5153 | IgorA | 241 | jne @f |
6523 | IgorA | 242 | mov dword[edx+GLContext.draw_triangle_back],gl_draw_triangle_line |
5153 | IgorA | 243 | jmp .end_if_2 |
6145 | IgorA | 244 | align 4 |
5153 | IgorA | 245 | @@: ;default: |
6523 | IgorA | 246 | mov dword[edx+GLContext.draw_triangle_back],gl_draw_triangle_fill |
5153 | IgorA | 247 | .end_if_2: |
248 | ret |
||
249 | endp |
||
250 | |||
251 | ; coords, tranformation , clip code and projection |
||
252 | ; TODO : handle all cases |
||
6145 | IgorA | 253 | align 16 |
5153 | IgorA | 254 | proc gl_vertex_transform, context:dword, v:dword |
255 | pushad |
||
256 | mov eax,[context] |
||
257 | mov edx,[v] |
||
6523 | IgorA | 258 | cmp dword[eax+GLContext.lighting_enabled],0 ;if (context.lighting_enabled) |
6145 | IgorA | 259 | jne @f |
6523 | IgorA | 260 | cmp dword[eax+GLContext.texture_2d_enabled],0 |
6145 | IgorA | 261 | jne @f |
262 | jmp .els_0 |
||
263 | align 4 |
||
264 | @@: |
||
5153 | IgorA | 265 | ; eye coordinates needed for lighting |
6523 | IgorA | 266 | mov ebx,dword[eax+GLContext.matrix_stack_ptr] |
5153 | IgorA | 267 | finit |
268 | fld dword[edx+offs_vert_coord+offs_X] |
||
269 | fld dword[edx+offs_vert_coord+offs_Y] |
||
270 | fld dword[edx+offs_vert_coord+offs_Z] |
||
271 | |||
272 | mov ecx,4 |
||
273 | .cycle_0: |
||
274 | fld dword[ebx] ;st0 = m[0] |
||
275 | fmul st0,st3 ;st0 *= v.coord.X |
||
276 | fld dword[ebx+4] ;st0 = m[1] |
||
277 | fmul st0,st3 ;st0 *= v.coord.Y |
||
5269 | IgorA | 278 | faddp ;st0 = v.coord.X * m[0] + v.coord.Y * m[1] |
5153 | IgorA | 279 | fld dword[ebx+8] ;st0 = m[2] |
5269 | IgorA | 280 | fmul st0,st2 ;st0 *= v.coord.Z |
5153 | IgorA | 281 | fadd dword[ebx+12] ;st0 += m[3] |
5392 | IgorA | 282 | faddp ;st0 = v.ec.X |
5153 | IgorA | 283 | fstp dword[edx+offs_vert_ec] ;v.ec.X = v.coord.X * m[0] + v.coord.Y * m[1] + v.coord.Z * m[2] + m[3] |
284 | add ebx,16 ;следущая строка матрицы |
||
285 | add edx,4 ;следущая координата вектора |
||
286 | loop .cycle_0 |
||
5218 | IgorA | 287 | ffree st0 |
288 | fincstp |
||
289 | ffree st0 |
||
290 | fincstp |
||
291 | ffree st0 |
||
292 | fincstp |
||
5153 | IgorA | 293 | |
294 | ; projection coordinates |
||
6523 | IgorA | 295 | mov ebx,dword[eax+GLContext.matrix_stack_ptr+4] |
5153 | IgorA | 296 | mov edx,[v] |
5218 | IgorA | 297 | |
5153 | IgorA | 298 | fld dword[edx+offs_vert_ec+offs_X] |
299 | fld dword[edx+offs_vert_ec+offs_Y] |
||
300 | fld dword[edx+offs_vert_ec+offs_Z] |
||
5392 | IgorA | 301 | fld dword[edx+offs_vert_ec+offs_W] |
5153 | IgorA | 302 | |
303 | mov ecx,4 |
||
304 | .cycle_1: |
||
305 | fld dword[ebx] ;st0 = m[0] |
||
5392 | IgorA | 306 | fmul st0,st4 ;st0 *= v.ec.X |
5153 | IgorA | 307 | fld dword[ebx+4] ;st0 = m[1] |
5392 | IgorA | 308 | fmul st0,st4 ;st0 *= v.ec.Y |
5269 | IgorA | 309 | faddp ;st0 = v.ec.X * m[0] + v.ec.Y * m[1] |
5153 | IgorA | 310 | fld dword[ebx+8] ;st0 = m[2] |
5392 | IgorA | 311 | fmul st0,st3 ;st0 *= v.ec.Z |
312 | faddp ;st0 = v.ec.X * m[0] + v.ec.Y * m[1] + v.ec.Z * m[2] |
||
313 | fld dword[ebx+12] ;st0 = m[3] |
||
314 | fmul st0,st2 ;st0 *= v.ec.W |
||
5269 | IgorA | 315 | faddp ;st0 = v.pc.X |
5392 | IgorA | 316 | fstp dword[edx+offs_vert_pc] ;v.pc.X = v.ec.X * m[0] + v.ec.Y * m[1] + v.ec.Z * m[2] + v.ec.W * m[3] |
5153 | IgorA | 317 | add ebx,16 ;следущая строка матрицы |
318 | add edx,4 ;следущая координата вектора |
||
319 | loop .cycle_1 |
||
5218 | IgorA | 320 | ffree st0 |
321 | fincstp |
||
322 | ffree st0 |
||
323 | fincstp |
||
324 | ffree st0 |
||
325 | fincstp |
||
5392 | IgorA | 326 | ffree st0 |
327 | fincstp |
||
5153 | IgorA | 328 | |
329 | mov ebx,eax |
||
6523 | IgorA | 330 | add ebx,GLContext.matrix_model_view_inv |
5153 | IgorA | 331 | mov edi,eax |
6523 | IgorA | 332 | add edi,GLContext.current_normal |
5153 | IgorA | 333 | mov edx,[v] |
5218 | IgorA | 334 | |
5256 | IgorA | 335 | fld dword[edi] ;edi = &n |
5153 | IgorA | 336 | fld dword[edi+offs_Y] |
337 | fld dword[edi+offs_Z] |
||
338 | |||
5269 | IgorA | 339 | add edx,offs_vert_normal |
5153 | IgorA | 340 | |
5392 | IgorA | 341 | fld dword[ebx] ;st0 = m[0] |
342 | fmul st0,st3 ;st0 *= n.X |
||
343 | fld dword[ebx+4] ;st0 = m[1] |
||
344 | fmul st0,st3 ;st0 *= n.Y |
||
345 | faddp ;st0 = n.X * m[0] + n.Y * m[1] |
||
346 | fld dword[ebx+8] ;st0 = m[2] |
||
347 | fmul st0,st2 ;st0 *= n.Z |
||
348 | faddp ;st0 = v.normal.X |
||
349 | fstp dword[edx] ;v.normal.X = n.X * m[0] + n.Y * m[1] + n.Z * m[2] |
||
350 | |||
351 | fld dword[ebx+16];st0 = m[4] |
||
352 | fmul st0,st3 ;st0 *= n.X |
||
353 | fld dword[ebx+20];st0 = m[5] |
||
354 | fmul st0,st3 ;st0 *= n.Y |
||
355 | faddp ;st0 = n.X * m[4] + n.Y * m[5] |
||
356 | fld dword[ebx+24];st0 = m[6] |
||
357 | fmul st0,st2 ;st0 *= n.Z |
||
358 | faddp ;st0 = v.normal.X |
||
359 | fstp dword[edx+4];v.normal.X = n.X * m[4] + n.Y * m[5] + n.Z * m[6] |
||
360 | |||
361 | fld dword[ebx+32];st0 = m[8] |
||
362 | fmul st0,st3 ;st0 *= n.X |
||
363 | fld dword[ebx+36];st0 = m[9] |
||
364 | fmul st0,st3 ;st0 *= n.Y |
||
365 | faddp ;st0 = n.X * m[8] + n.Y * m[9] |
||
366 | fld dword[ebx+40];st0 = m[10] |
||
367 | fmul st0,st2 ;st0 *= n.Z |
||
368 | faddp ;st0 = v.normal.X |
||
369 | fstp dword[edx+8];v.normal.X = n.X * m[8] + n.Y * m[9] + n.Z * m[10] |
||
370 | |||
6523 | IgorA | 371 | cmp dword[eax+GLContext.normalize_enabled],0 |
5153 | IgorA | 372 | je .end_els |
5218 | IgorA | 373 | stdcall gl_V3_Norm,edx |
5153 | IgorA | 374 | jmp .end_els |
6145 | IgorA | 375 | align 4 |
5153 | IgorA | 376 | .els_0: |
377 | ; no eye coordinates needed, no normal |
||
378 | ; NOTE: W = 1 is assumed |
||
379 | mov ebx,eax |
||
6523 | IgorA | 380 | add ebx,GLContext.matrix_model_projection |
5153 | IgorA | 381 | |
382 | finit |
||
383 | fld dword[edx+offs_vert_coord+offs_X] |
||
384 | fld dword[edx+offs_vert_coord+offs_Y] |
||
385 | fld dword[edx+offs_vert_coord+offs_Z] |
||
386 | |||
387 | mov esi,edx |
||
388 | add esi,offs_vert_pc |
||
389 | |||
390 | fld dword[ebx] ;st0 = m[0] |
||
391 | fmul st0,st3 ;st0 *= v.coord.X |
||
392 | fld dword[ebx+4] ;st0 = m[1] |
||
393 | fmul st0,st3 ;st0 *= v.coord.Y |
||
5269 | IgorA | 394 | faddp ;st0 = v.coord.X * m[0] + v.coord.Y * m[1] |
5153 | IgorA | 395 | fld dword[ebx+8] ;st0 = m[2] |
5269 | IgorA | 396 | fmul st0,st2 ;st0 *= v.coord.Z |
5153 | IgorA | 397 | fadd dword[ebx+12] ;st0 += m[3] |
5269 | IgorA | 398 | faddp ;st0 = v.pc.X |
5153 | IgorA | 399 | fstp dword[esi] ;v.pc.X = v.coord.X * m[0] + v.coord.Y * m[1] + v.coord.Z * m[2] + m[3] |
5175 | IgorA | 400 | |
5153 | IgorA | 401 | fld dword[ebx+16] ;st0 = m[4] |
402 | fmul st0,st3 ;st0 *= v.coord.X |
||
403 | fld dword[ebx+20] ;st0 = m[5] |
||
404 | fmul st0,st3 ;st0 *= v.coord.Y |
||
5269 | IgorA | 405 | faddp ;st0 = v.coord.X * m[4] + v.coord.Y * m[5] |
5153 | IgorA | 406 | fld dword[ebx+24] ;st0 = m[6] |
5269 | IgorA | 407 | fmul st0,st2 ;st0 *= v.coord.Z |
5153 | IgorA | 408 | fadd dword[ebx+28] ;st0 += m[7] |
5269 | IgorA | 409 | faddp ;st0 = v.pc.Y |
410 | fstp dword[esi+4] ;v.pc.Y = v.coord.X * m[4] + v.coord.Y * m[5] + v.coord.Z * m[6] + m[7] |
||
5175 | IgorA | 411 | |
5153 | IgorA | 412 | fld dword[ebx+32] ;st0 = m[8] |
413 | fmul st0,st3 ;st0 *= v.coord.X |
||
414 | fld dword[ebx+36] ;st0 = m[9] |
||
415 | fmul st0,st3 ;st0 *= v.coord.Y |
||
5269 | IgorA | 416 | faddp ;st0 = v.coord.X * m[8] + v.coord.Y * m[9] |
5153 | IgorA | 417 | fld dword[ebx+40] ;st0 = m[10] |
5269 | IgorA | 418 | fmul st0,st2 ;st0 *= v.coord.Z |
5153 | IgorA | 419 | fadd dword[ebx+44] ;st0 += m[11] |
5269 | IgorA | 420 | faddp ;st0 = v.pc.Z |
421 | fstp dword[esi+8] ;v.pc.Z = v.coord.X * m[8] + v.coord.Y * m[9] + v.coord.Z * m[10] + m[11] |
||
5153 | IgorA | 422 | |
6523 | IgorA | 423 | cmp dword[eax+GLContext.matrix_model_projection_no_w_transform],0 |
5153 | IgorA | 424 | je .els_1 |
425 | ;if (context.matrix_model_projection_no_w_transform) |
||
426 | mov ebx,dword[ebx+60] ;ebx = m[15] |
||
427 | mov dword[esi+12],ebx ;v.pc.W = m[15] |
||
428 | jmp .end_els |
||
6145 | IgorA | 429 | align 4 |
5153 | IgorA | 430 | .els_1: |
431 | fld dword[ebx+48] ;st0 = m[12] |
||
432 | fmul st0,st3 ;st0 *= v.coord.X |
||
433 | fld dword[ebx+52] ;st0 = m[13] |
||
434 | fmul st0,st3 ;st0 *= v.coord.Y |
||
5269 | IgorA | 435 | faddp ;st0 = v.coord.X * m[12] + v.coord.Y * m[13] |
5153 | IgorA | 436 | fld dword[ebx+56] ;st0 = m[14] |
5269 | IgorA | 437 | fmul st0,st2 ;st0 *= v.coord.Z |
5153 | IgorA | 438 | fadd dword[ebx+60] ;st0 += m[15] |
5269 | IgorA | 439 | faddp ;st0 = v.pc.W |
5153 | IgorA | 440 | fstp dword[esi+12] ;v.pc.W = v.coord.X * m[12] + v.coord.Y * m[13] + v.coord.Z * m[14] + m[15] |
441 | .end_els: |
||
5175 | IgorA | 442 | ffree st0 |
443 | fincstp |
||
444 | ffree st0 |
||
445 | fincstp |
||
446 | ffree st0 |
||
447 | fincstp |
||
448 | |||
5153 | IgorA | 449 | if DEBUG ;gl_vertex_transform |
450 | stdcall dbg_print,f_vt,txt_nl |
||
451 | mov edx,[v] |
||
452 | add edx,offs_vert_pc |
||
453 | stdcall gl_print_matrix,edx,1 |
||
454 | end if |
||
455 | mov edx,[v] |
||
456 | stdcall gl_clipcode, dword[edx+offs_vert_pc+offs_X], dword[edx+offs_vert_pc+offs_Y],\ |
||
457 | dword[edx+offs_vert_pc+offs_Z], dword[edx+offs_vert_pc+offs_W] |
||
458 | mov dword[edx+offs_vert_clip_code],eax |
||
459 | popad |
||
460 | ret |
||
461 | endp |
||
462 | |||
6145 | IgorA | 463 | align 16 |
5153 | IgorA | 464 | proc glopVertex, context:dword, p:dword |
465 | locals |
||
466 | ;ebx = GLVertex * v |
||
467 | n dd ? ;ebp-4 |
||
468 | endl |
||
469 | pushad |
||
470 | mov edx,[context] |
||
471 | |||
472 | ; assert(c->in_begin != 0); |
||
473 | |||
6523 | IgorA | 474 | mov ecx,[edx+GLContext.vertex_n] |
5153 | IgorA | 475 | mov [n],ecx |
6523 | IgorA | 476 | inc dword[edx+GLContext.vertex_cnt] |
5153 | IgorA | 477 | |
478 | ; quick fix to avoid crashes on large polygons |
||
6523 | IgorA | 479 | mov ecx,[edx+GLContext.vertex_max] |
5153 | IgorA | 480 | cmp dword[n],ecx |
481 | jl @f |
||
6523 | IgorA | 482 | shl dword[edx+GLContext.vertex_max],1 ; just double size |
5153 | IgorA | 483 | imul ecx,2*sizeof.GLVertex |
484 | stdcall gl_malloc,ecx |
||
485 | cmp eax,0 |
||
486 | jne .no_err |
||
487 | ;gl_fatal_error("unable to allocate GLVertex array.\n"); |
||
488 | .no_err: |
||
489 | mov edi,eax |
||
490 | mov ebx,eax |
||
6523 | IgorA | 491 | mov esi,[edx+GLContext.vertex] |
5153 | IgorA | 492 | mov ecx,[n] |
493 | imul ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb |
||
494 | rep movsd |
||
6523 | IgorA | 495 | stdcall gl_free,dword[edx+GLContext.vertex] |
496 | mov dword[edx+GLContext.vertex],ebx |
||
5153 | IgorA | 497 | @@: |
498 | ; new vertex entry |
||
499 | mov ebx,[n] |
||
500 | imul ebx,sizeof.GLVertex |
||
6523 | IgorA | 501 | add ebx,[edx+GLContext.vertex] |
5153 | IgorA | 502 | inc dword[n] |
503 | |||
504 | mov esi,[p] |
||
505 | add esi,4 |
||
506 | mov edi,ebx |
||
507 | add edi,offs_vert_coord ;edi = &v.coord |
||
508 | mov ecx,4 |
||
509 | rep movsd |
||
510 | |||
511 | stdcall gl_vertex_transform, edx, ebx |
||
512 | |||
513 | ; color |
||
6523 | IgorA | 514 | cmp dword[edx+GLContext.lighting_enabled],0 |
5153 | IgorA | 515 | je .els_0 |
516 | stdcall gl_shade_vertex, edx,ebx |
||
517 | jmp @f |
||
6145 | IgorA | 518 | align 4 |
5153 | IgorA | 519 | .els_0: |
5392 | IgorA | 520 | mov esi,edx |
6523 | IgorA | 521 | add esi,GLContext.current_color |
5392 | IgorA | 522 | mov edi,ebx |
523 | add edi,offs_vert_color ;edi = &v.color |
||
524 | mov ecx,4 |
||
525 | rep movsd |
||
5153 | IgorA | 526 | @@: |
527 | |||
528 | ; tex coords |
||
6523 | IgorA | 529 | cmp dword[edx+GLContext.texture_2d_enabled],0 |
5153 | IgorA | 530 | je @f |
6523 | IgorA | 531 | cmp dword[edx+GLContext.apply_texture_matrix],0 |
5153 | IgorA | 532 | je .els_1 |
5269 | IgorA | 533 | mov eax,edx |
6523 | IgorA | 534 | add eax,GLContext.current_tex_coord |
5269 | IgorA | 535 | push eax ;&context.current_tex_coord |
536 | mov eax,ebx |
||
537 | add eax,offs_vert_tex_coord |
||
6523 | IgorA | 538 | stdcall gl_M4_MulV4, eax, dword[edx+GLContext.matrix_stack_ptr+8] |
5153 | IgorA | 539 | jmp @f |
6145 | IgorA | 540 | align 4 |
5153 | IgorA | 541 | .els_1: |
5269 | IgorA | 542 | mov esi,edx |
6523 | IgorA | 543 | add esi,GLContext.current_tex_coord |
5269 | IgorA | 544 | mov edi,ebx |
545 | add edi,offs_vert_tex_coord |
||
546 | mov ecx,4 |
||
547 | rep movsd |
||
5153 | IgorA | 548 | @@: |
549 | |||
550 | ; precompute the mapping to the viewport |
||
551 | cmp dword[ebx+offs_vert_clip_code],0 |
||
552 | jne @f |
||
553 | stdcall gl_transform_to_viewport, edx,ebx |
||
554 | @@: |
||
555 | |||
556 | ; edge flag |
||
6523 | IgorA | 557 | mov eax,[edx+GLContext.current_edge_flag] |
5153 | IgorA | 558 | mov dword[ebx+offs_vert_edge_flag],eax ;v.edge_flag = context.current_edge_flag |
559 | |||
6523 | IgorA | 560 | cmp dword[edx+GLContext.begin_type],GL_POINTS |
5153 | IgorA | 561 | jne @f |
6523 | IgorA | 562 | stdcall gl_draw_point, edx, dword[edx+GLContext.vertex] ;dword[edx+...] = &context.vertex[0] |
5153 | IgorA | 563 | mov dword[n],0 |
564 | jmp .end_f |
||
6145 | IgorA | 565 | align 4 |
5153 | IgorA | 566 | @@: |
6523 | IgorA | 567 | cmp dword[edx+GLContext.begin_type],GL_LINES |
5153 | IgorA | 568 | jne @f |
569 | cmp dword[n],2 |
||
570 | jne .end_f |
||
6523 | IgorA | 571 | mov eax,[edx+GLContext.vertex] |
5153 | IgorA | 572 | push eax |
573 | add eax,sizeof.GLVertex |
||
5175 | IgorA | 574 | stdcall gl_draw_line, edx, eax |
5153 | IgorA | 575 | xor eax,eax |
576 | mov dword[n],eax |
||
577 | jmp .end_f |
||
6145 | IgorA | 578 | align 4 |
5153 | IgorA | 579 | @@: |
6523 | IgorA | 580 | cmp dword[edx+GLContext.begin_type],GL_LINE_STRIP |
5153 | IgorA | 581 | je .li_loop |
6523 | IgorA | 582 | cmp dword[edx+GLContext.begin_type],GL_LINE_LOOP |
5153 | IgorA | 583 | jne @f |
584 | .li_loop: |
||
585 | cmp dword[n],1 |
||
586 | jne .els_2 |
||
6523 | IgorA | 587 | mov esi,[edx+GLContext.vertex] |
5153 | IgorA | 588 | mov edi,esi |
589 | add edi,2*sizeof.GLVertex |
||
590 | mov ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb |
||
591 | rep movsd ;context.vertex[2] = context.vertex[0] |
||
592 | jmp .end_f |
||
6145 | IgorA | 593 | align 4 |
5153 | IgorA | 594 | .els_2: |
595 | cmp dword[n],2 |
||
596 | jne .end_f ;else if (n == 2) |
||
6523 | IgorA | 597 | mov eax,[edx+GLContext.vertex] |
5153 | IgorA | 598 | push eax |
5218 | IgorA | 599 | mov edi,eax |
5153 | IgorA | 600 | add eax,sizeof.GLVertex |
5218 | IgorA | 601 | mov esi,eax |
5175 | IgorA | 602 | stdcall gl_draw_line, edx, eax |
5153 | IgorA | 603 | mov ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb |
604 | rep movsd ;context.vertex[0] = context.vertex[1] |
||
605 | mov dword[n],1 |
||
606 | jmp .end_f |
||
6145 | IgorA | 607 | align 4 |
5153 | IgorA | 608 | @@: |
6523 | IgorA | 609 | cmp dword[edx+GLContext.begin_type],GL_TRIANGLES |
5153 | IgorA | 610 | jne @f |
611 | cmp dword[n],3 |
||
612 | jne .end_f |
||
6523 | IgorA | 613 | mov eax,[edx+GLContext.vertex] |
5418 | IgorA | 614 | mov [esp-12],eax |
5175 | IgorA | 615 | add eax,sizeof.GLVertex |
5218 | IgorA | 616 | mov [esp-8],eax |
5175 | IgorA | 617 | add eax,sizeof.GLVertex |
5418 | IgorA | 618 | mov [esp-4],eax |
5218 | IgorA | 619 | sub esp,12 |
5418 | IgorA | 620 | stdcall gl_draw_triangle, edx ;v0,v1,v2 |
5153 | IgorA | 621 | xor eax,eax |
622 | mov dword[n],eax |
||
623 | jmp .end_f |
||
6145 | IgorA | 624 | align 4 |
5153 | IgorA | 625 | @@: |
6523 | IgorA | 626 | cmp dword[edx+GLContext.begin_type],GL_TRIANGLE_STRIP |
5153 | IgorA | 627 | jne @f |
6523 | IgorA | 628 | cmp dword[edx+GLContext.vertex_cnt],3 ;if (context.vertex_cnt >= 3) |
5269 | IgorA | 629 | jl .end_f |
630 | cmp dword[n],3 |
||
631 | jne .ts3 |
||
632 | xor eax,eax |
||
633 | mov dword[n],eax |
||
634 | .ts3: |
||
635 | ; needed to respect triangle orientation |
||
6523 | IgorA | 636 | mov eax,[edx+GLContext.vertex] |
637 | bt dword[edx+GLContext.vertex_cnt],0 |
||
5269 | IgorA | 638 | jc .case_1 |
5418 | IgorA | 639 | mov [esp-4],eax |
5269 | IgorA | 640 | add eax,sizeof.GLVertex |
641 | mov [esp-8],eax |
||
642 | add eax,sizeof.GLVertex |
||
5418 | IgorA | 643 | mov [esp-12],eax |
5269 | IgorA | 644 | sub esp,12 |
5418 | IgorA | 645 | stdcall gl_draw_triangle, edx ;v2,v1,v0 |
5269 | IgorA | 646 | jmp .end_f |
6145 | IgorA | 647 | align 4 |
5269 | IgorA | 648 | .case_1: |
5418 | IgorA | 649 | mov [esp-12],eax |
5269 | IgorA | 650 | add eax,sizeof.GLVertex |
651 | mov [esp-8],eax |
||
652 | add eax,sizeof.GLVertex |
||
5418 | IgorA | 653 | mov [esp-4],eax |
5269 | IgorA | 654 | sub esp,12 |
5418 | IgorA | 655 | stdcall gl_draw_triangle, edx ;v0,v1,v2 |
5153 | IgorA | 656 | jmp .end_f |
6145 | IgorA | 657 | align 4 |
5153 | IgorA | 658 | @@: |
6523 | IgorA | 659 | cmp dword[edx+GLContext.begin_type],GL_TRIANGLE_FAN |
5153 | IgorA | 660 | jne @f |
5218 | IgorA | 661 | cmp dword[n],3 |
5153 | IgorA | 662 | jne .end_f |
6523 | IgorA | 663 | mov eax,[edx+GLContext.vertex] |
5418 | IgorA | 664 | mov [esp-12],eax |
5218 | IgorA | 665 | add eax,sizeof.GLVertex |
666 | mov [esp-8],eax |
||
667 | mov edi,eax |
||
668 | add eax,sizeof.GLVertex |
||
5418 | IgorA | 669 | mov [esp-4],eax |
5218 | IgorA | 670 | mov esi,eax |
671 | sub esp,12 |
||
5418 | IgorA | 672 | stdcall gl_draw_triangle, edx ;v0,v1,v2 |
5218 | IgorA | 673 | mov ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb |
674 | rep movsd ;context.vertex[1] = context.vertex[2] |
||
5153 | IgorA | 675 | mov dword[n],2 |
676 | jmp .end_f |
||
6145 | IgorA | 677 | align 4 |
5153 | IgorA | 678 | @@: |
6523 | IgorA | 679 | cmp dword[edx+GLContext.begin_type],GL_QUADS |
5153 | IgorA | 680 | jne @f |
681 | cmp dword[n],4 |
||
682 | jne .end_f |
||
6523 | IgorA | 683 | mov eax,[edx+GLContext.vertex] |
5213 | IgorA | 684 | add eax,2*sizeof.GLVertex |
685 | mov dword[eax+offs_vert_edge_flag],0 ;context.vertex[2].edge_flag = 0 |
||
686 | push eax |
||
687 | sub eax,sizeof.GLVertex |
||
688 | push eax |
||
689 | sub eax,sizeof.GLVertex |
||
690 | stdcall gl_draw_triangle, edx,eax ;v0,v1,v2 |
||
691 | mov dword[eax+offs_vert_edge_flag],0 ;context.vertex[0].edge_flag = 0 |
||
692 | add eax,2*sizeof.GLVertex |
||
693 | mov dword[eax+offs_vert_edge_flag],1 ;context.vertex[2].edge_flag = 1 |
||
694 | add eax,sizeof.GLVertex |
||
695 | push eax |
||
696 | sub eax,sizeof.GLVertex |
||
697 | push eax |
||
698 | sub eax,2*sizeof.GLVertex |
||
699 | stdcall gl_draw_triangle, edx,eax ;v0,v2,v3 |
||
5153 | IgorA | 700 | xor eax,eax |
701 | mov dword[n],eax |
||
702 | jmp .end_f |
||
6145 | IgorA | 703 | align 4 |
5153 | IgorA | 704 | @@: |
6523 | IgorA | 705 | cmp dword[edx+GLContext.begin_type],GL_QUAD_STRIP |
5153 | IgorA | 706 | jne @f |
5218 | IgorA | 707 | cmp dword[n],4 |
5153 | IgorA | 708 | jne .end_f |
6523 | IgorA | 709 | mov eax,[edx+GLContext.vertex] |
5418 | IgorA | 710 | mov [esp-12],eax |
5218 | IgorA | 711 | mov edi,eax |
712 | add eax,sizeof.GLVertex |
||
713 | mov [esp-8],eax |
||
714 | add eax,sizeof.GLVertex |
||
5418 | IgorA | 715 | mov [esp-4],eax |
5218 | IgorA | 716 | mov esi,eax |
717 | sub esp,12 |
||
718 | stdcall gl_draw_triangle, edx ;v0,v1,v2 |
||
5418 | IgorA | 719 | mov [esp-4],eax |
5218 | IgorA | 720 | add eax,sizeof.GLVertex |
721 | mov [esp-8],eax |
||
722 | sub eax,2*sizeof.GLVertex |
||
5418 | IgorA | 723 | mov [esp-12],eax |
5218 | IgorA | 724 | sub esp,12 |
725 | stdcall gl_draw_triangle, edx ;v1,v3,v2 |
||
726 | mov ecx,(sizeof.GLVertex)/2 ;((...)/2) копируем 2 вершины |
||
727 | rep movsd ;context.vertex[0] = context.vertex[2], context.vertex[1] = context.vertex[3] |
||
5153 | IgorA | 728 | mov dword[n],2 |
729 | jmp .end_f |
||
6145 | IgorA | 730 | align 4 |
5153 | IgorA | 731 | @@: |
6523 | IgorA | 732 | cmp dword[edx+GLContext.begin_type],GL_POLYGON |
5213 | IgorA | 733 | je .end_f |
5153 | IgorA | 734 | ; default: |
735 | ; gl_fatal_error("glBegin: type %x not handled\n", c->begin_type); |
||
736 | ; } |
||
737 | .end_f: |
||
738 | |||
739 | mov ecx,[n] |
||
6523 | IgorA | 740 | mov [edx+GLContext.vertex_n],ecx |
5153 | IgorA | 741 | popad |
742 | ret |
||
743 | endp |
||
744 | |||
6145 | IgorA | 745 | align 16 |
5213 | IgorA | 746 | proc glopEnd uses eax ebx ecx, context:dword, p:dword |
5153 | IgorA | 747 | mov eax,[context] |
748 | ; assert(c->in_begin == 1); |
||
749 | |||
6523 | IgorA | 750 | cmp dword[eax+GLContext.begin_type],GL_LINE_LOOP |
5153 | IgorA | 751 | jne .else_i |
6523 | IgorA | 752 | cmp dword[eax+GLContext.vertex_cnt],3 |
5153 | IgorA | 753 | jl .end_i |
6523 | IgorA | 754 | mov ebx,[eax+GLContext.vertex] |
5153 | IgorA | 755 | push ebx |
756 | add ebx,2*sizeof.GLVertex |
||
757 | push ebx |
||
758 | stdcall gl_draw_line, eax |
||
759 | jmp .end_i |
||
6145 | IgorA | 760 | align 4 |
5153 | IgorA | 761 | .else_i: |
6523 | IgorA | 762 | cmp dword[eax+GLContext.begin_type],GL_POLYGON |
5153 | IgorA | 763 | jne .end_i |
6523 | IgorA | 764 | mov ebx,dword[eax+GLContext.vertex_cnt] |
5153 | IgorA | 765 | @@: ;while (ebx >= 3) |
766 | cmp ebx,3 |
||
767 | jl .end_i |
||
5213 | IgorA | 768 | dec ebx |
769 | mov ecx,ebx |
||
770 | imul ecx,sizeof.GLVertex |
||
6523 | IgorA | 771 | add ecx,[eax+GLContext.vertex] |
5213 | IgorA | 772 | push ecx ;ecx = &context.vertex[i] |
773 | sub ecx,sizeof.GLVertex |
||
774 | push ecx ;ecx = &context.vertex[i-1] |
||
6523 | IgorA | 775 | stdcall gl_draw_triangle, eax,[eax+GLContext.vertex] |
5153 | IgorA | 776 | jmp @b |
6145 | IgorA | 777 | align 4 |
5153 | IgorA | 778 | .end_i: |
6523 | IgorA | 779 | mov dword[eax+GLContext.in_begin],0 |
5153 | IgorA | 780 | ret |
781 | endp |