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Data Structures | |
| struct | brw_sf_prog_key |
| struct | brw_sf_point_tex |
| struct | brw_sf_compile |
Defines | |
| #define | SF_POINTS 0 |
| #define | SF_LINES 1 |
| #define | SF_TRIANGLES 2 |
| #define | SF_UNFILLED_TRIS 3 |
Functions | |
| void | brw_emit_tri_setup (struct brw_sf_compile *c) |
| void | brw_emit_line_setup (struct brw_sf_compile *c) |
| void | brw_emit_point_setup (struct brw_sf_compile *c) |
| void | brw_emit_point_sprite_setup (struct brw_sf_compile *c) |
| void | brw_emit_anyprim_setup (struct brw_sf_compile *c) |
| void brw_emit_anyprim_setup | ( | struct brw_sf_compile * | c | ) |
| void brw_emit_line_setup | ( | struct brw_sf_compile * | c | ) |
Definition at line 259 of file brw_sf_emit.c.
References brw_sf_compile::a1_sub_a0, alloc_regs(), brw_ADD(), brw_MOV(), brw_MUL(), brw_null_reg(), brw_set_predicate_control_flag_value(), BRW_URB_SWIZZLE_TRANSPOSE, brw_urb_WRITE(), brw_vec8_grf(), calculate_masks(), copy_z_inv_w(), brw_sf_compile::dx0, brw_sf_compile::dy0, brw_sf_compile::func, brw_sf_compile::inv_det, brw_sf_compile::inv_w, invert_det(), brw_sf_compile::m1Cx, brw_sf_compile::m2Cy, brw_sf_compile::m3C0, negate(), brw_sf_compile::nr_setup_regs, brw_sf_compile::nr_verts, offset(), brw_sf_compile::tmp, and brw_sf_compile::vert.
00260 { 00261 struct brw_compile *p = &c->func; 00262 unsigned i; 00263 00264 00265 c->nr_verts = 2; 00266 alloc_regs(c); 00267 invert_det(c); 00268 copy_z_inv_w(c); 00269 00270 for (i = 0; i < c->nr_setup_regs; i++) 00271 { 00272 /* Pair of incoming attributes: 00273 */ 00274 struct brw_reg a0 = offset(c->vert[0], i); 00275 struct brw_reg a1 = offset(c->vert[1], i); 00276 ushort pc, pc_persp, pc_linear; 00277 boolean last = calculate_masks(c, i, &pc, &pc_persp, &pc_linear); 00278 00279 if (pc_persp) 00280 { 00281 brw_set_predicate_control_flag_value(p, pc_persp); 00282 brw_MUL(p, a0, a0, c->inv_w[0]); 00283 brw_MUL(p, a1, a1, c->inv_w[1]); 00284 } 00285 00286 /* Calculate coefficients for position, color: 00287 */ 00288 if (pc_linear) { 00289 brw_set_predicate_control_flag_value(p, pc_linear); 00290 00291 brw_ADD(p, c->a1_sub_a0, a1, negate(a0)); 00292 00293 brw_MUL(p, c->tmp, c->a1_sub_a0, c->dx0); 00294 brw_MUL(p, c->m1Cx, c->tmp, c->inv_det); 00295 00296 brw_MUL(p, c->tmp, c->a1_sub_a0, c->dy0); 00297 brw_MUL(p, c->m2Cy, c->tmp, c->inv_det); 00298 } 00299 00300 { 00301 brw_set_predicate_control_flag_value(p, pc); 00302 00303 /* start point for interpolation 00304 */ 00305 brw_MOV(p, c->m3C0, a0); 00306 00307 /* Copy m0..m3 to URB. 00308 */ 00309 brw_urb_WRITE(p, 00310 brw_null_reg(), 00311 0, 00312 brw_vec8_grf(0, 0), 00313 0, /* allocate */ 00314 1, /* used */ 00315 4, /* msg len */ 00316 0, /* response len */ 00317 last, /* eot */ 00318 last, /* writes complete */ 00319 i*4, /* urb destination offset */ 00320 BRW_URB_SWIZZLE_TRANSPOSE); 00321 } 00322 } 00323 }
| void brw_emit_point_setup | ( | struct brw_sf_compile * | c | ) |
Definition at line 329 of file brw_sf_emit.c.
References alloc_regs(), brw_imm_ud(), brw_MOV(), brw_MUL(), brw_null_reg(), brw_set_predicate_control_flag_value(), BRW_URB_SWIZZLE_TRANSPOSE, brw_urb_WRITE(), brw_vec8_grf(), calculate_masks(), copy_z_inv_w(), brw_sf_compile::func, brw_sf_compile::inv_w, brw_sf_compile::m1Cx, brw_sf_compile::m2Cy, brw_sf_compile::m3C0, brw_sf_compile::nr_setup_regs, brw_sf_compile::nr_verts, offset(), and brw_sf_compile::vert.
00330 { 00331 struct brw_compile *p = &c->func; 00332 unsigned i; 00333 00334 c->nr_verts = 1; 00335 alloc_regs(c); 00336 copy_z_inv_w(c); 00337 00338 brw_MOV(p, c->m1Cx, brw_imm_ud(0)); /* zero - move out of loop */ 00339 brw_MOV(p, c->m2Cy, brw_imm_ud(0)); /* zero - move out of loop */ 00340 00341 for (i = 0; i < c->nr_setup_regs; i++) 00342 { 00343 struct brw_reg a0 = offset(c->vert[0], i); 00344 ushort pc, pc_persp, pc_linear; 00345 boolean last = calculate_masks(c, i, &pc, &pc_persp, &pc_linear); 00346 00347 if (pc_persp) 00348 { 00349 /* This seems odd as the values are all constant, but the 00350 * fragment shader will be expecting it: 00351 */ 00352 brw_set_predicate_control_flag_value(p, pc_persp); 00353 brw_MUL(p, a0, a0, c->inv_w[0]); 00354 } 00355 00356 00357 /* The delta values are always zero, just send the starting 00358 * coordinate. Again, this is to fit in with the interpolation 00359 * code in the fragment shader. 00360 */ 00361 { 00362 brw_set_predicate_control_flag_value(p, pc); 00363 00364 brw_MOV(p, c->m3C0, a0); /* constant value */ 00365 00366 /* Copy m0..m3 to URB. 00367 */ 00368 brw_urb_WRITE(p, 00369 brw_null_reg(), 00370 0, 00371 brw_vec8_grf(0, 0), 00372 0, /* allocate */ 00373 1, /* used */ 00374 4, /* msg len */ 00375 0, /* response len */ 00376 last, /* eot */ 00377 last, /* writes complete */ 00378 i*4, /* urb destination offset */ 00379 BRW_URB_SWIZZLE_TRANSPOSE); 00380 } 00381 } 00382 }
| void brw_emit_point_sprite_setup | ( | struct brw_sf_compile * | c | ) |
| void brw_emit_tri_setup | ( | struct brw_sf_compile * | c | ) |
Definition at line 175 of file brw_sf_emit.c.
References brw_sf_compile::a1_sub_a0, brw_sf_compile::a2_sub_a0, alloc_regs(), brw_ADD(), brw_MAC(), brw_MOV(), brw_MUL(), brw_null_reg(), brw_set_predicate_control_flag_value(), BRW_URB_SWIZZLE_TRANSPOSE, brw_urb_WRITE(), brw_vec8_grf(), calculate_masks(), copy_z_inv_w(), debug_printf(), brw_sf_compile::dx0, brw_sf_compile::dx2, brw_sf_compile::dy0, brw_sf_compile::dy2, brw_sf_compile::func, brw_sf_compile::inv_det, brw_sf_compile::inv_w, invert_det(), brw_sf_compile::m1Cx, brw_sf_compile::m2Cy, brw_sf_compile::m3C0, negate(), brw_sf_compile::nr_setup_regs, brw_sf_compile::nr_verts, offset(), brw_sf_compile::tmp, and brw_sf_compile::vert.
00176 { 00177 struct brw_compile *p = &c->func; 00178 unsigned i; 00179 00180 debug_printf("%s START ==============\n", __FUNCTION__); 00181 00182 c->nr_verts = 3; 00183 alloc_regs(c); 00184 invert_det(c); 00185 copy_z_inv_w(c); 00186 00187 00188 for (i = 0; i < c->nr_setup_regs; i++) 00189 { 00190 /* Pair of incoming attributes: 00191 */ 00192 struct brw_reg a0 = offset(c->vert[0], i); 00193 struct brw_reg a1 = offset(c->vert[1], i); 00194 struct brw_reg a2 = offset(c->vert[2], i); 00195 ushort pc = 0, pc_persp = 0, pc_linear = 0; 00196 boolean last = calculate_masks(c, i, &pc, &pc_persp, &pc_linear); 00197 00198 if (pc_persp) 00199 { 00200 brw_set_predicate_control_flag_value(p, pc_persp); 00201 brw_MUL(p, a0, a0, c->inv_w[0]); 00202 brw_MUL(p, a1, a1, c->inv_w[1]); 00203 brw_MUL(p, a2, a2, c->inv_w[2]); 00204 } 00205 00206 00207 /* Calculate coefficients for interpolated values: 00208 */ 00209 if (pc_linear) 00210 { 00211 brw_set_predicate_control_flag_value(p, pc_linear); 00212 00213 brw_ADD(p, c->a1_sub_a0, a1, negate(a0)); 00214 brw_ADD(p, c->a2_sub_a0, a2, negate(a0)); 00215 00216 /* calculate dA/dx 00217 */ 00218 brw_MUL(p, brw_null_reg(), c->a1_sub_a0, c->dy2); 00219 brw_MAC(p, c->tmp, c->a2_sub_a0, negate(c->dy0)); 00220 brw_MUL(p, c->m1Cx, c->tmp, c->inv_det); 00221 00222 /* calculate dA/dy 00223 */ 00224 brw_MUL(p, brw_null_reg(), c->a2_sub_a0, c->dx0); 00225 brw_MAC(p, c->tmp, c->a1_sub_a0, negate(c->dx2)); 00226 brw_MUL(p, c->m2Cy, c->tmp, c->inv_det); 00227 } 00228 00229 { 00230 brw_set_predicate_control_flag_value(p, pc); 00231 /* start point for interpolation 00232 */ 00233 brw_MOV(p, c->m3C0, a0); 00234 00235 /* Copy m0..m3 to URB. m0 is implicitly copied from r0 in 00236 * the send instruction: 00237 */ 00238 brw_urb_WRITE(p, 00239 brw_null_reg(), 00240 0, 00241 brw_vec8_grf(0, 0), /* r0, will be copied to m0 */ 00242 0, /* allocate */ 00243 1, /* used */ 00244 4, /* msg len */ 00245 0, /* response len */ 00246 last, /* eot */ 00247 last, /* writes complete */ 00248 i*4, /* offset */ 00249 BRW_URB_SWIZZLE_TRANSPOSE); /* XXX: Swizzle control "SF to windower" */ 00250 } 00251 } 00252 00253 debug_printf("%s DONE ==============\n", __FUNCTION__); 00254 00255 }
1.5.4