From 1c7489bd7e5391136d0f2e68b467de89eb2d2bfc Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Thu, 12 Jun 2008 12:26:43 +1000 Subject: nv50: allow relocating a shader's constants at upload time --- src/gallium/drivers/nv50/nv50_program.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) (limited to 'src/gallium/drivers') diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 3df38487617..6c5aeb237db 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -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]; -- cgit v1.2.3