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authorChristoph Bumiller <[email protected]>2011-03-05 14:41:08 +0100
committerChristoph Bumiller <[email protected]>2011-03-05 14:53:23 +0100
commit533bf171d4c926e4ab6fcd0d51396b195b9e024f (patch)
treead27eee423151586b3573668d1af172be0eff3b4 /src
parent17b9b757b704e0dcf370f7ae6e72c6e22601363d (diff)
nv50: support the InstanceID system value
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/nv50/nv50_program.c17
-rw-r--r--src/gallium/drivers/nv50/nv50_program.h1
-rw-r--r--src/gallium/drivers/nv50/nv50_tgsi_to_nc.c7
3 files changed, 25 insertions, 0 deletions
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();