19f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt/* 29f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt Copyright (C) Intel Corp. 2006. All Rights Reserved. 39f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to 49f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt develop this 3D driver. 59f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 69f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt Permission is hereby granted, free of charge, to any person obtaining 79f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt a copy of this software and associated documentation files (the 89f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt "Software"), to deal in the Software without restriction, including 99f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt without limitation the rights to use, copy, modify, merge, publish, 109f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt distribute, sublicense, and/or sell copies of the Software, and to 119f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt permit persons to whom the Software is furnished to do so, subject to 129f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt the following conditions: 139f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 149f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt The above copyright notice and this permission notice (including the 159f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt next paragraph) shall be included in all copies or substantial 169f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt portions of the Software. 179f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 189f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 199f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 209f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 219f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 229f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 239f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 249f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 259f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 269f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt **********************************************************************/ 279f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* 289f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * Authors: 299f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * Keith Whitwell <keith@tungstengraphics.com> 309f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 319f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 329f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 339f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt#include "brw_context.h" 349f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt#include "brw_wm.h" 359f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 369f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 379f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtstatic GLuint get_tracked_mask(struct brw_wm_compile *c, 389f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct brw_wm_instruction *inst) 399f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 409f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt GLuint i; 419f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt for (i = 0; i < 4; i++) { 429f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (inst->writemask & (1<<i)) { 439f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (!inst->dst[i]->contributes_to_output) { 449f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt inst->writemask &= ~(1<<i); 459f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt inst->dst[i] = 0; 469f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 479f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 489f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 499f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 509f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt return inst->writemask; 519f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 529f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 539f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt/* Remove a reference from a value's usage chain. 549f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 559f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtstatic void unlink_ref(struct brw_wm_ref *ref) 569f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 579f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct brw_wm_value *value = ref->value; 589f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 599f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (ref == value->lastuse) { 609f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt value->lastuse = ref->prevuse; 61af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul } 62af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul else { 639f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct brw_wm_ref *i = value->lastuse; 649f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt while (i->prevuse != ref) i = i->prevuse; 659f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt i->prevuse = ref->prevuse; 669f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 679f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 689f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 699f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtstatic void track_arg(struct brw_wm_compile *c, 709f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct brw_wm_instruction *inst, 719f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt GLuint arg, 729f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt GLuint readmask) 739f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 749f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt GLuint i; 759f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 769f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt for (i = 0; i < 4; i++) { 779f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct brw_wm_ref *ref = inst->src[arg][i]; 789f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (ref) { 79af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul if (readmask & (1<<i)) { 809f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt ref->value->contributes_to_output = 1; 81af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul } 829f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt else { 839f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt unlink_ref(ref); 849f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt inst->src[arg][i] = NULL; 859f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 869f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 879f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 889f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 899f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 909f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtstatic GLuint get_texcoord_mask( GLuint tex_idx ) 919f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 929f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt switch (tex_idx) { 93af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul case TEXTURE_1D_INDEX: 94af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul return WRITEMASK_X; 95af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul case TEXTURE_2D_INDEX: 96669f1822d2a60865514faf37f9fde21e4567b3d2Eric Anholt case TEXTURE_1D_ARRAY_INDEX: 977420c9dab4aaf87e6b840410226c296c4668a48fChad Versace case TEXTURE_EXTERNAL_INDEX: 98af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul return WRITEMASK_XY; 99af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul case TEXTURE_3D_INDEX: 100669f1822d2a60865514faf37f9fde21e4567b3d2Eric Anholt case TEXTURE_2D_ARRAY_INDEX: 101af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul return WRITEMASK_XYZ; 102af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul case TEXTURE_CUBE_INDEX: 103af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul return WRITEMASK_XYZ; 104af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul case TEXTURE_RECT_INDEX: 105af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul return WRITEMASK_XY; 1069f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt default: return 0; 1079f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1089f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 1099f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 110af0e6336e9d7dc19d74950ce13b33e1fa1b2081dBrian Paul 1119f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt/* Step two: Basically this is dead code elimination. 1129f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * 1139f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * Iterate backwards over instructions, noting which values 1149f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * contribute to the final result. Adjust writemasks to only 1159f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * calculate these values. 1169f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1179f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtvoid brw_wm_pass1( struct brw_wm_compile *c ) 1189f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 1199f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt GLint insn; 1209f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1219f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt for (insn = c->nr_insns-1; insn >= 0; insn--) { 1229f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct brw_wm_instruction *inst = &c->instruction[insn]; 1239f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt GLuint writemask; 1249f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt GLuint read0, read1, read2; 1259f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1269f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (inst->opcode == OPCODE_KIL) { 1279f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt track_arg(c, inst, 0, WRITEMASK_XYZW); /* All args contribute to final */ 1289f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt continue; 1299f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1309f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1319f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (inst->opcode == WM_FB_WRITE) { 1329f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt track_arg(c, inst, 0, WRITEMASK_XYZW); 1339f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt track_arg(c, inst, 1, WRITEMASK_XYZW); 13416f8c823898fd71a3545457eacd2dc31ddeb3592Eric Anholt if (c->source_depth_to_render_target && c->computes_depth) 1359f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt track_arg(c, inst, 2, WRITEMASK_Z); 1369f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt else 1379f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt track_arg(c, inst, 2, 0); 1389f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt continue; 1399f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1409f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1419f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Lookup all the registers which were written by this 1429f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * instruction and get a mask of those that contribute to the output: 1439f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1449f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt writemask = get_tracked_mask(c, inst); 1459f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (!writemask) { 1469f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt GLuint arg; 1479f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt for (arg = 0; arg < 3; arg++) 1489f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt track_arg(c, inst, arg, 0); 1499f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt continue; 1509f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1519f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1529f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = 0; 1539f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read1 = 0; 1549f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read2 = 0; 1559f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1569f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Mark all inputs which contribute to the marked outputs: 1579f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1589f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt switch (inst->opcode) { 1599f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_ABS: 1609f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_FLR: 1619f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_FRC: 1629f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_MOV: 163e558786a3ed52222c07f916e213b63dcba1890a2Eric Anholt case OPCODE_SSG: 16413a6f73a64e23bad71d5e94d446e133b3cf634f7Michal Wajdeczko case OPCODE_SWZ: 1650ab8e2622e932593f39e5a634808567322bd669bEric Anholt case OPCODE_TRUNC: 1669f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = writemask; 1679f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1689f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1699f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_SUB: 1709f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_SLT: 17135707dbe57873adb5a8088cd47c13bd216e143e4Zou Nan hai case OPCODE_SLE: 1729f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_SGE: 17335707dbe57873adb5a8088cd47c13bd216e143e4Zou Nan hai case OPCODE_SGT: 17435707dbe57873adb5a8088cd47c13bd216e143e4Zou Nan hai case OPCODE_SEQ: 17535707dbe57873adb5a8088cd47c13bd216e143e4Zou Nan hai case OPCODE_SNE: 1769f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_ADD: 1779f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_MAX: 1789f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_MIN: 1799f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_MUL: 1809f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = writemask; 1819f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read1 = writemask; 1829f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1839f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 18457d16c4cc37689710f951cb13981e2efc160cd23Eric Anholt case OPCODE_DDX: 18557d16c4cc37689710f951cb13981e2efc160cd23Eric Anholt case OPCODE_DDY: 18657d16c4cc37689710f951cb13981e2efc160cd23Eric Anholt read0 = writemask; 18757d16c4cc37689710f951cb13981e2efc160cd23Eric Anholt break; 18857d16c4cc37689710f951cb13981e2efc160cd23Eric Anholt 1899f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_MAD: 1909f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_CMP: 1919f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_LRP: 1929f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = writemask; 1939f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read1 = writemask; 1949f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read2 = writemask; 1959f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1969f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1979f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_XPD: 1989f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (writemask & WRITEMASK_X) read0 |= WRITEMASK_YZ; 1999f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (writemask & WRITEMASK_Y) read0 |= WRITEMASK_XZ; 2009f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (writemask & WRITEMASK_Z) read0 |= WRITEMASK_XY; 2019f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read1 = read0; 2029f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2039f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2049f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_COS: 2059f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_EX2: 2069f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_LG2: 2079f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_RCP: 2089f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_RSQ: 2099f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_SIN: 2109f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_SCS: 2119f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case WM_CINTERP: 2129f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case WM_PIXELXY: 2139f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = WRITEMASK_X; 2149f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2159f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2169f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_POW: 2179f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = WRITEMASK_X; 2189f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read1 = WRITEMASK_X; 2199f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2209f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2219f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_TEX: 222e0d907308150b4863cc4f24543e70e14207e966aBrian Paul case OPCODE_TXP: 2239f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = get_texcoord_mask(inst->tex_idx); 2249f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 225e0d907308150b4863cc4f24543e70e14207e966aBrian Paul if (inst->tex_shadow) 2269f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 |= WRITEMASK_Z; 2279f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2289f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2299f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_TXB: 2309f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Shadow ignored for txb. 2319f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 2329f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = get_texcoord_mask(inst->tex_idx) | WRITEMASK_W; 2339f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2349f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2359f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case WM_WPOSXY: 2369f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = writemask & WRITEMASK_XY; 2379f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2389f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2399f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case WM_DELTAXY: 2409f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = writemask & WRITEMASK_XY; 2419f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read1 = WRITEMASK_X; 2429f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2439f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2449f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case WM_PIXELW: 2459f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = WRITEMASK_X; 2469f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read1 = WRITEMASK_XY; 2479f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2489f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2499f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case WM_LINTERP: 2509f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = WRITEMASK_X; 2519f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read1 = WRITEMASK_XY; 2529f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2539f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2549f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case WM_PINTERP: 2559f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = WRITEMASK_X; /* interpolant */ 2569f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read1 = WRITEMASK_XY; /* deltas */ 2579f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read2 = WRITEMASK_W; /* pixel w */ 2589f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2599f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2604e7d5d0e74c26cac182cea1be0f6b79bb664ad8cEric Anholt case OPCODE_DP2: 2614e7d5d0e74c26cac182cea1be0f6b79bb664ad8cEric Anholt read0 = WRITEMASK_XY; 2624e7d5d0e74c26cac182cea1be0f6b79bb664ad8cEric Anholt read1 = WRITEMASK_XY; 2634e7d5d0e74c26cac182cea1be0f6b79bb664ad8cEric Anholt break; 2644e7d5d0e74c26cac182cea1be0f6b79bb664ad8cEric Anholt 2659f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_DP3: 2669f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = WRITEMASK_XYZ; 2679f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read1 = WRITEMASK_XYZ; 2689f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2699f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2709f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_DPH: 2719f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = WRITEMASK_XYZ; 2729f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read1 = WRITEMASK_XYZW; 2739f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2749f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2759f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_DP4: 2769f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = WRITEMASK_XYZW; 2779f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read1 = WRITEMASK_XYZW; 2789f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2799f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2809f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_LIT: 2819f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt read0 = WRITEMASK_XYW; 2829f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2839f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2849f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case OPCODE_DST: 285699db6d842c52d0b3b98b320f8ef1104a65fa783Eric Anholt case WM_FRONTFACING: 2869f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt default: 2879f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2889f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2899f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2909f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt track_arg(c, inst, 0, read0); 2919f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt track_arg(c, inst, 1, read1); 2929f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt track_arg(c, inst, 2, read2); 2939f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2949f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 295bb1540835056cdea5db6f55b19c0c87358f14cd1Eric Anholt if (unlikely(INTEL_DEBUG & DEBUG_WM)) { 2969f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt brw_wm_print_program(c, "pass1"); 2979f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2989f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 299