1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org Copyright (C) Intel Corp. 2006. All Rights Reserved. 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org develop this 3D driver. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org Permission is hereby granted, free of charge, to any person obtaining 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org a copy of this software and associated documentation files (the 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org distribute, sublicense, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org next paragraph) shall be included in all copies or substantial 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org portions of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **********************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Authors: 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Keith Whitwell <keith@tungstengraphics.com> 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/mtypes.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "brw_wm.h" 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#undef P /* prompted depth */ 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#undef C /* computed */ 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#undef N /* non-promoted? */ 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define P 0 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define C 1 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define N 2 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst struct { 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint mode:2; 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint sd_present:1; 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint sd_to_rt:1; 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint dd_present:1; 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint ds_present:1; 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} wm_iz_table[IZ_BIT_MAX] = 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { N, 1, 1, 0, 0 }, 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { N, 0, 1, 0, 0 }, 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { N, 0, 1, 0, 0 }, 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 0 }, 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 0 }, 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { N, 1, 1, 0, 0 }, 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 0 }, 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 0 }, 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { N, 1, 1, 0, 0 }, 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { N, 0, 1, 0, 0 }, 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { N, 0, 1, 0, 0 }, 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 0 }, 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 0 }, 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { N, 1, 1, 0, 0 }, 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 0 }, 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 0 }, 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { N, 1, 1, 0, 1 }, 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { N, 0, 1, 0, 1 }, 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { N, 0, 1, 0, 1 }, 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 1 }, 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 1 }, 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { N, 1, 1, 0, 1 }, 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 1 }, 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 1 }, 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 0, 0, 1 }, 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 0, 1 }, 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 1, 1, 0, 1 }, 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 0, 1 }, 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 0, 1 }, 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 1, 1, 1, 1 }, 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 1 }, 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 1 }, 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { P, 0, 0, 0, 0 }, 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 1, 1, 1, 1 }, 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 1 }, 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { C, 0, 1, 1, 1 } 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param line_aa AA_NEVER, AA_ALWAYS or AA_SOMETIMES 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param lookup bitmask of IZ_* flags 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid brw_wm_lookup_iz(struct intel_context *intel, 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct brw_wm_compile *c) 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint reg = 2; 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bool kill_stats_promoted_workaround = false; 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int lookup = c->key.iz_lookup; 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bool uses_depth = (c->fp->program.Base.InputsRead & 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (1 << FRAG_ATTRIB_WPOS)) != 0; 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert (lookup < IZ_BIT_MAX); 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Crazy workaround in the windowizer, which we need to track in 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * our register allocation and render target writes. See the "If 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * statistics are enabled..." paragraph of 11.5.3.2: Early Depth 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Test Cases [Pre-DevGT] of the 3D Pipeline - Windower B-Spec. 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (c->key.stats_wm && 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (lookup & IZ_PS_KILL_ALPHATEST_BIT) && 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org wm_iz_table[lookup].mode == P) { 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org kill_stats_promoted_workaround = true; 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (lookup & IZ_PS_COMPUTES_DEPTH_BIT) 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->computes_depth = 1; 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (wm_iz_table[lookup].sd_present || uses_depth || 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org kill_stats_promoted_workaround) { 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->source_depth_reg = reg; 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg += 2; 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (wm_iz_table[lookup].sd_to_rt || kill_stats_promoted_workaround) 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->source_depth_to_render_target = 1; 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (wm_iz_table[lookup].ds_present || c->key.line_aa != AA_NEVER) { 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->aa_dest_stencil_reg = reg; 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->runtime_check_aads_emit = (!wm_iz_table[lookup].ds_present && 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->key.line_aa == AA_SOMETIMES); 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg++; 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (wm_iz_table[lookup].dd_present) { 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->dest_depth_reg = reg; 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg+=2; 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->nr_payload_regs = reg; 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 172