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nv50: allow relocating a shader's constants at upload time

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This commit is contained in:
Ben Skeggs 2008-06-12 12:26:43 +10:00
parent 40137ea263
commit 1c7489bd7e
1 changed files with 16 additions and 5 deletions
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21
src/gallium/drivers/nv50/nv50_program.c
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@ -201,6 +201,7 @@ exec(struct nv50_pc *pc)
{
struct nv50_program_exec *e = CALLOC_STRUCT(nv50_program_exec);
e->param.index = -1;
return e;
}
@ -311,7 +312,8 @@ emit_interp(struct nv50_pc *pc, struct nv50_reg *dst,
}
static void
set_cseg(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e)
set_data(struct nv50_pc *pc, struct nv50_reg *src, unsigned m, unsigned s,
struct nv50_program_exec *e)
{
set_long(pc, e);
if (src->type == P_IMMD) {
@ -322,6 +324,10 @@ set_cseg(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e)
else
e->inst[1] |= (NV50_CB_PFP << 22);
}
e->param.index = src->hw;
e->param.shift = s;
e->param.mask = m << (s % 32);
}
static void
@ -342,8 +348,7 @@ emit_mov(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
} else
if (src->type == P_IMMD || src->type == P_CONST) {
set_long(pc, e);
set_cseg(pc, src, e);
e->inst[0] |= (src->hw << 9);
set_data(pc, src, 0x7f, 9, e);
e->inst[1] |= 0x20000000; /* src0 const? */
} else {
if (src->type == P_ATTR) {
@ -426,7 +431,7 @@ set_src_1(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e)
emit_mov(pc, temp, src);
src = temp;
} else {
set_cseg(pc, src, e);
set_data(pc, src, 0x7f, 16, e);
e->inst[0] |= 0x00800000;
}
}
@ -454,7 +459,7 @@ set_src_2(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e)
emit_mov(pc, temp, src);
src = temp;
} else {
set_cseg(pc, src, e);
set_data(pc, src, 0x7f, 32+14, e);
e->inst[0] |= 0x01000000;
}
}
@ -1449,6 +1454,12 @@ nv50_program_validate_code(struct nv50_context *nv50, struct nv50_program *p)
map = ws->buffer_map(ws, p->buffer, PIPE_BUFFER_USAGE_CPU_WRITE);
for (e = p->exec_head; e; e = e->next) {
if (e->param.index >= 0) {
e->inst[e->param.shift / 32] &= ~e->param.mask;
e->inst[e->param.shift / 32] |= (e->param.index <<
e->param.shift);
}
*(map++) = e->inst[0];
if (is_long(e))
*(map++) = e->inst[1];