AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nv50: inspect decl semantic and interpolation mode

Browse Source 
Record interpolation mode for attributes while parsing declarations,
and also remember the indices of FP color inputs and FP depth output,
which has to end up in the highest output register.
This commit is contained in:
Christoph Bumiller
2009-05-23 13:38:03 +02:00
committed by Ben Skeggs
parent bcecb8ff66
commit e88ec312df
1 changed files with 74 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/gallium/drivers/nv50/nv50_program.c
+74 -1
View File
@@ -111,6 +111,8 @@ struct nv50_pc {
struct nv50_reg *temp_temp[16];
unsigned temp_temp_nr;
unsigned interp_mode[32];
/* current instruction and total number of insns */
unsigned insn_cur;
unsigned insn_nr;
@@ -366,6 +368,12 @@ set_immd(struct nv50_pc *pc, struct nv50_reg *imm, struct nv50_program_exec *e)
e->inst[1] |= (val >> 6) << 2;
}
#define INTERP_LINEAR 0
#define INTERP_FLAT 1
#define INTERP_PERSPECTIVE 2
#define INTERP_CENTROID 4
static void
emit_interp(struct nv50_pc *pc, struct nv50_reg *dst,
struct nv50_reg *src, struct nv50_reg *iv)
@@ -1441,12 +1449,19 @@ nv50_program_tx_prep(struct nv50_pc *pc)
struct tgsi_parse_context p;
boolean ret = FALSE;
unsigned i, c;
unsigned fcol, bcol, fcrd, depr;
/* count (centroid) perspective interpolations */
unsigned centroid_loads = 0;
unsigned perspect_loads = 0;
/* track register access for temps and attrs */
unsigned *r_usage[2];
r_usage[0] = NULL;
r_usage[1] = NULL;
depr = fcol = bcol = fcrd = 0xffff;
tgsi_parse_init(&p, pc->p->pipe.tokens);
while (!tgsi_parse_end_of_tokens(&p)) {
const union tgsi_full_token *tok = &p.FullToken;
@@ -1467,9 +1482,10 @@ nv50_program_tx_prep(struct nv50_pc *pc)
case TGSI_TOKEN_TYPE_DECLARATION:
{
const struct tgsi_full_declaration *d;
unsigned last;
unsigned last, first, mode;
d = &p.FullToken.FullDeclaration;
first = d->DeclarationRange.First;
last = d->DeclarationRange.Last;
switch (d->Declaration.File) {
@@ -1480,10 +1496,67 @@ nv50_program_tx_prep(struct nv50_pc *pc)
case TGSI_FILE_OUTPUT:
if (pc->result_nr < (last + 1))
pc->result_nr = last + 1;
if (!d->Declaration.Semantic)
break;
switch (d->Semantic.SemanticName) {
case TGSI_SEMANTIC_POSITION:
depr = first;
break;
default:
break;
}
break;
case TGSI_FILE_INPUT:
{
if (pc->attr_nr < (last + 1))
pc->attr_nr = last + 1;
if (pc->p->type != PIPE_SHADER_FRAGMENT)
break;
switch (d->Declaration.Interpolate) {
case TGSI_INTERPOLATE_CONSTANT:
mode = INTERP_FLAT;
break;
case TGSI_INTERPOLATE_PERSPECTIVE:
mode = INTERP_PERSPECTIVE;
break;
default:
mode = INTERP_LINEAR;
break;
}
if (d->Declaration.Semantic) {
switch (d->Semantic.SemanticName) {
case TGSI_SEMANTIC_POSITION:
fcrd = first;
break;
case TGSI_SEMANTIC_COLOR:
fcol = first;
mode = INTERP_PERSPECTIVE;
break;
case TGSI_SEMANTIC_BCOLOR:
bcol = first;
mode = INTERP_PERSPECTIVE;
break;
}
}
if (d->Declaration.Centroid) {
mode |= INTERP_CENTROID;
if (mode & INTERP_PERSPECTIVE)
centroid_loads++;
} else
if (mode & INTERP_PERSPECTIVE)
perspect_loads++;
assert(last < 32);
for (i = first; i <= last; i++)
pc->interp_mode[i] = mode;
}
break;
case TGSI_FILE_CONSTANT:
if (pc->param_nr < (last + 1))