Module: Mesa Branch: master Commit: 3f471c7948425a9c8ae23a563e0e816954a7589a URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=3f471c7948425a9c8ae23a563e0e816954a7589a
Author: Christoph Bumiller <[email protected]> Date: Thu Nov 26 17:03:00 2009 +0100 nv50: don't permanently negate src in emit_ddy --- src/gallium/drivers/nv50/nv50_program.c | 14 ++++++++++---- 1 files changed, 10 insertions(+), 4 deletions(-) diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 855079f..f93c864 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -1440,19 +1440,25 @@ emit_ddx(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) static void emit_ddy(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { + struct nv50_reg *r = src; struct nv50_program_exec *e = exec(pc); assert(src->type == P_TEMP); - if (!(src->mod & NV50_MOD_NEG)) /* ! double negation */ - emit_neg(pc, src, src); + if (!(src->mod & NV50_MOD_NEG)) { /* ! double negation */ + r = alloc_temp(pc, NULL); + emit_neg(pc, r, src); + } e->inst[0] = 0xc0150000; e->inst[1] = 0x8a400000; set_long(pc, e); set_dst(pc, dst, e); - set_src_0(pc, src, e); - set_src_2(pc, src, e); + set_src_0(pc, r, e); + set_src_2(pc, r, e); + + if (r != src) + free_temp(pc, r); emit(pc, e); } _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
