From 533bf171d4c926e4ab6fcd0d51396b195b9e024f Mon Sep 17 00:00:00 2001 From: Christoph Bumiller Date: Sat, 5 Mar 2011 14:41:08 +0100 Subject: [PATCH] nv50: support the InstanceID system value --- src/gallium/drivers/nv50/nv50_program.c | 17 +++++++++++++++++ src/gallium/drivers/nv50/nv50_program.h | 1 + src/gallium/drivers/nv50/nv50_tgsi_to_nc.c | 7 +++++++ 3 files changed, 25 insertions(+) diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 1c1a4201b60..a63f9d8a6d5 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -328,10 +328,15 @@ prog_decl(struct nv50_translation_info *ti, } break; case TGSI_FILE_SYSTEM_VALUE: + /* For VP/GP inputs, they are put in s[] after the last normal input. + * Let sysval_map reflect the order of the sysvals in s[] and fixup later. + */ switch (decl->Semantic.Name) { case TGSI_SEMANTIC_FACE: break; case TGSI_SEMANTIC_INSTANCEID: + ti->p->vp.attrs[2] |= NV50_3D_VP_GP_BUILTIN_ATTR_EN_INSTANCE_ID; + ti->sysval_map[first] = 2; break; case TGSI_SEMANTIC_PRIMID: break; @@ -392,6 +397,18 @@ nv50_vertprog_prepare(struct nv50_translation_info *ti) } } + for (i = 0; i < TGSI_SEMANTIC_COUNT; ++i) { + switch (ti->sysval_map[i]) { + case 2: + if (!(ti->p->vp.attrs[2] & NV50_3D_VP_GP_BUILTIN_ATTR_EN_VERTEX_ID)) + ti->sysval_map[i] = 1; + ti->sysval_map[i] = (ti->sysval_map[i] - 1) + num_inputs; + break; + default: + break; + } + } + if (p->vp.psiz < 0x40) p->vp.psiz = p->out[p->vp.psiz].hw; diff --git a/src/gallium/drivers/nv50/nv50_program.h b/src/gallium/drivers/nv50/nv50_program.h index 8f5b51757d8..993e1691ab7 100644 --- a/src/gallium/drivers/nv50/nv50_program.h +++ b/src/gallium/drivers/nv50/nv50_program.h @@ -111,6 +111,7 @@ struct nv50_translation_info { ubyte output_file; ubyte input_map[PIPE_MAX_SHADER_INPUTS][4]; ubyte output_map[PIPE_MAX_SHADER_OUTPUTS][4]; + ubyte sysval_map[TGSI_SEMANTIC_COUNT]; ubyte interp_mode[PIPE_MAX_SHADER_INPUTS]; int input_access[PIPE_MAX_SHADER_INPUTS][4]; int output_access[PIPE_MAX_SHADER_OUTPUTS][4]; diff --git a/src/gallium/drivers/nv50/nv50_tgsi_to_nc.c b/src/gallium/drivers/nv50/nv50_tgsi_to_nc.c index 54b78e850ed..1449cb04c69 100644 --- a/src/gallium/drivers/nv50/nv50_tgsi_to_nc.c +++ b/src/gallium/drivers/nv50/nv50_tgsi_to_nc.c @@ -1159,6 +1159,13 @@ emit_fetch(struct bld_context *bld, const struct tgsi_full_instruction *insn, case TGSI_FILE_PREDICATE: res = bld_fetch_global(bld, &bld->pvs[idx][swz]); break; + case TGSI_FILE_SYSTEM_VALUE: + res = new_value(bld->pc, bld->ti->input_file, NV_TYPE_U32); + res->reg.id = bld->ti->sysval_map[idx]; + res = bld_insn_1(bld, NV_OP_LDA, res); + res = bld_insn_1(bld, NV_OP_CVT, res); + res->reg.type = NV_TYPE_F32; + break; default: NOUVEAU_ERR("illegal/unhandled src reg file: %d\n", src->Register.File); abort(); -- 2.30.2