Module: Mesa Branch: master Commit: ebbc73d1aed283c9bc4aa2b37bed4374bbaec5b5 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ebbc73d1aed283c9bc4aa2b37bed4374bbaec5b5
Author: Christoph Bumiller <[email protected]> Date: Mon Dec 21 21:50:21 2009 +0100 nv50: correct the negation of DDY sources The state tracker now does the correct thing, so interpret negation normally. --- src/gallium/drivers/nv50/nv50_program.c | 22 +++++++--------------- 1 files changed, 7 insertions(+), 15 deletions(-) diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 04b345b..679c28c 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -1702,8 +1702,8 @@ emit_ddx(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) assert(src->type == P_TEMP); - e->inst[0] = 0xc0140000; - e->inst[1] = 0x89800000; + e->inst[0] = (src->mod & NV50_MOD_NEG) ? 0xc0240000 : 0xc0140000; + e->inst[1] = (src->mod & NV50_MOD_NEG) ? 0x86400000 : 0x89800000; set_long(pc, e); set_dst(pc, dst, e); set_src_0(pc, src, e); @@ -1715,25 +1715,16 @@ 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 */ - r = alloc_temp(pc, NULL); - emit_neg(pc, r, src); - } - - e->inst[0] = 0xc0150000; - e->inst[1] = 0x8a400000; + e->inst[0] = (src->mod & NV50_MOD_NEG) ? 0xc0250000 : 0xc0150000; + e->inst[1] = (src->mod & NV50_MOD_NEG) ? 0x85800000 : 0x8a400000; set_long(pc, e); set_dst(pc, dst, e); - set_src_0(pc, r, e); - set_src_2(pc, r, e); - - if (r != src) - free_temp(pc, r); + set_src_0(pc, src, e); + set_src_2(pc, src, e); emit(pc, e); } @@ -1791,6 +1782,7 @@ static boolean negate_supported(const struct tgsi_full_instruction *insn, int i) { switch (insn->Instruction.Opcode) { + case TGSI_OPCODE_DDX: case TGSI_OPCODE_DDY: case TGSI_OPCODE_DP3: case TGSI_OPCODE_DP4: _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
