1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com> 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2009 Marek Olšák <maraeo@gmail.com> 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the "Software"), 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to deal in the Software without restriction, including without limitation 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * on the rights to use, copy, modify, merge, publish, distribute, sub 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * license, and/or sell copies of the Software, and to permit persons to whom 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the Software is furnished to do so, subject to the following conditions: 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the next 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * paragraph) shall be included in all copies or substantial portions of the 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software. 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * USE OR OTHER DEALINGS IN THE SOFTWARE. */ 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "r300_vs.h" 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "r300_context.h" 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "r300_screen.h" 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "r300_tgsi_to_rc.h" 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "r300_reg.h" 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "tgsi/tgsi_dump.h" 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "tgsi/tgsi_parse.h" 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "tgsi/tgsi_ureg.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "compiler/radeon_compiler.h" 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* Convert info about VS output semantics into r300_shader_semantics. */ 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void r300_shader_read_vs_outputs( 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_context *r300, 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct tgsi_shader_info* info, 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_shader_semantics* vs_outputs) 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int i; 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned index; 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r300_shader_semantics_reset(vs_outputs); 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < info->num_outputs; i++) { 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org index = info->output_semantic_index[i]; 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (info->output_semantic_name[i]) { 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_SEMANTIC_POSITION: 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(index == 0); 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vs_outputs->pos = i; 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_SEMANTIC_PSIZE: 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(index == 0); 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vs_outputs->psize = i; 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_SEMANTIC_COLOR: 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(index < ATTR_COLOR_COUNT); 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vs_outputs->color[index] = i; 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_SEMANTIC_BCOLOR: 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(index < ATTR_COLOR_COUNT); 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vs_outputs->bcolor[index] = i; 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_SEMANTIC_GENERIC: 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(index < ATTR_GENERIC_COUNT); 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vs_outputs->generic[index] = i; 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_SEMANTIC_FOG: 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(index == 0); 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vs_outputs->fog = i; 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_SEMANTIC_EDGEFLAG: 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(index == 0); 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, "r300 VP: cannot handle edgeflag output.\n"); 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_SEMANTIC_CLIPVERTEX: 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(index == 0); 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Draw does clip vertex for us. */ 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (r300->screen->caps.has_tcl) { 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, "r300 VP: cannot handle clip vertex output.\n"); 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, "r300 VP: unknown vertex output semantic: %i.\n", 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org info->output_semantic_name[i]); 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* WPOS is a straight copy of POSITION and it's always emitted. */ 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vs_outputs->wpos = i; 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void set_vertex_inputs_outputs(struct r300_vertex_program_compiler * c) 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_vertex_shader * vs = c->UserData; 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_shader_semantics* outputs = &vs->outputs; 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct tgsi_shader_info* info = &vs->info; 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int i, reg = 0; 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean any_bcolor_used = outputs->bcolor[0] != ATTR_UNUSED || 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org outputs->bcolor[1] != ATTR_UNUSED; 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Fill in the input mapping */ 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < info->num_inputs; i++) 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->code->inputs[i] = i; 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Position. */ 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (outputs->pos != ATTR_UNUSED) { 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->code->outputs[outputs->pos] = reg++; 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(0); 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Point size. */ 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (outputs->psize != ATTR_UNUSED) { 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->code->outputs[outputs->psize] = reg++; 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* If we're writing back facing colors we need to send 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * four colors to make front/back face colors selection work. 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If the vertex program doesn't write all 4 colors, lets 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * pretend it does by skipping output index reg so the colors 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * get written into appropriate output vectors. 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Colors. */ 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < ATTR_COLOR_COUNT; i++) { 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (outputs->color[i] != ATTR_UNUSED) { 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->code->outputs[outputs->color[i]] = reg++; 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (any_bcolor_used || 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org outputs->color[1] != ATTR_UNUSED) { 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg++; 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Back-face colors. */ 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < ATTR_COLOR_COUNT; i++) { 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (outputs->bcolor[i] != ATTR_UNUSED) { 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->code->outputs[outputs->bcolor[i]] = reg++; 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (any_bcolor_used) { 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg++; 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Texture coordinates. */ 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < ATTR_GENERIC_COUNT; i++) { 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (outputs->generic[i] != ATTR_UNUSED) { 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->code->outputs[outputs->generic[i]] = reg++; 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Fog coordinates. */ 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (outputs->fog != ATTR_UNUSED) { 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->code->outputs[outputs->fog] = reg++; 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* WPOS. */ 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c->code->outputs[outputs->wpos] = reg++; 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid r300_init_vs_outputs(struct r300_context *r300, 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_vertex_shader *vs) 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org tgsi_scan_shader(vs->state.tokens, &vs->info); 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r300_shader_read_vs_outputs(r300, &vs->info, &vs->outputs); 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void r300_dummy_vertex_shader( 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_context* r300, 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_vertex_shader* shader) 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct ureg_program *ureg; 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct ureg_dst dst; 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct ureg_src imm; 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Make a simple vertex shader which outputs (0, 0, 0, 1), 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * effectively rendering nothing. */ 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ureg = ureg_create(TGSI_PROCESSOR_VERTEX); 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org imm = ureg_imm4f(ureg, 0, 0, 0, 1); 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ureg_MOV(ureg, dst, imm); 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ureg_END(ureg); 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->state.tokens = tgsi_dup_tokens(ureg_finalize(ureg)); 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ureg_destroy(ureg); 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->dummy = TRUE; 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r300_init_vs_outputs(r300, shader); 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r300_translate_vertex_shader(r300, shader); 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid r300_translate_vertex_shader(struct r300_context *r300, 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_vertex_shader *vs) 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct r300_vertex_program_compiler compiler; 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct tgsi_to_rc ttr; 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Setup the compiler */ 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memset(&compiler, 0, sizeof(compiler)); 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rc_init(&compiler.Base); 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG_ON(r300, DBG_VP) ? compiler.Base.Debug |= RC_DBG_LOG : 0; 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG_ON(r300, DBG_P_STAT) ? compiler.Base.Debug |= RC_DBG_STATS : 0; 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.code = &vs->code; 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.UserData = vs; 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.Base.is_r500 = r300->screen->caps.is_r500; 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.Base.disable_optimizations = DBG_ON(r300, DBG_NO_OPT); 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.Base.has_half_swizzles = FALSE; 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.Base.has_presub = FALSE; 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.Base.has_omod = FALSE; 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.Base.max_temp_regs = 32; 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.Base.max_constants = 256; 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.Base.max_alu_insts = r300->screen->caps.is_r500 ? 1024 : 256; 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (compiler.Base.Debug & RC_DBG_LOG) { 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG(r300, DBG_VP, "r300: Initial vertex program\n"); 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org tgsi_dump(vs->state.tokens, 0); 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Translate TGSI to our internal representation */ 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ttr.compiler = &compiler.Base; 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ttr.info = &vs->info; 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ttr.use_half_swizzles = FALSE; 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r300_tgsi_to_rc(&ttr, vs->state.tokens); 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ttr.error) { 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, "r300 VP: Cannot translate a shader. " 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "Using a dummy shader instead.\n"); 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r300_dummy_vertex_shader(r300, vs); 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (compiler.Base.Program.Constants.Count > 200) { 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.Base.remove_unused_constants = TRUE; 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.RequiredOutputs = ~(~0 << (vs->info.num_outputs + 1)); 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org compiler.SetHwInputOutput = &set_vertex_inputs_outputs; 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Insert the WPOS output. */ 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rc_copy_output(&compiler.Base, 0, vs->outputs.wpos); 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Invoke the compiler */ 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r3xx_compile_vertex_program(&compiler); 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (compiler.Base.Error) { 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, "r300 VP: Compiler error:\n%sUsing a dummy shader" 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org " instead.\n", compiler.Base.ErrorMsg); 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (vs->dummy) { 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, "r300 VP: Cannot compile the dummy shader! " 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "Giving up...\n"); 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org abort(); 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rc_destroy(&compiler.Base); 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r300_dummy_vertex_shader(r300, vs); 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Initialize numbers of constants for each type. */ 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vs->externals_count = 0; 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i < vs->code.constants.Count && 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vs->code.constants.Constants[i].Type == RC_CONSTANT_EXTERNAL; i++) { 279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vs->externals_count = i+1; 280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (; i < vs->code.constants.Count; i++) { 282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(vs->code.constants.Constants[i].Type == RC_CONSTANT_IMMEDIATE); 283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vs->immediates_count = vs->code.constants.Count - vs->externals_count; 285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* And, finally... */ 287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rc_destroy(&compiler.Base); 288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 289