diff options
| author | Brian Paul <brianp@vmware.com> | 2009-01-05 10:09:28 -0700 |
|---|---|---|
| committer | Xiang, Haihao <haihao.xiang@intel.com> | 2009-01-08 16:33:29 +0800 |
| commit | 2300dfd449b06744331c709f2d5856ec36102f26 (patch) | |
| tree | f1d1cd1d97d4072fd5c99e6292eab8740b0e65f2 | |
| parent | b9921a9fb2bc937194eac7e80e31d30f81cb6bb1 (diff) | |
i965: implement OPCODE_TRUNC (round toward zero) on vertex path.
Also, fix some RNDD vs. RNDZ confusion elsewhere.
(cherry picked from commit 0d797365deb579cfeb2a32f21692515eb6904921)
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu.h | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu_emit.c | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_emit.c | 4 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_glsl.c | 2 |
4 files changed, 7 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h index 49b422ee2f..d12f15e062 100644 --- a/src/mesa/drivers/dri/i965/brw_eu.h +++ b/src/mesa/drivers/dri/i965/brw_eu.h @@ -733,6 +733,7 @@ ALU2(ADD) ALU2(MUL) ALU1(FRC) ALU1(RNDD) +ALU1(RNDZ) ALU2(MAC) ALU2(MACH) ALU1(LZD) diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index ce4cf46cfa..4e099b5945 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -439,6 +439,7 @@ ALU2(ADD) ALU2(MUL) ALU1(FRC) ALU1(RNDD) +ALU1(RNDZ) ALU2(MAC) ALU2(MACH) ALU1(LZD) diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index b594e479de..aa3e46b6eb 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -1146,6 +1146,10 @@ void brw_vs_emit(struct brw_vs_compile *c ) */ emit_swz(c, dst, inst->SrcReg[0] ); break; + case OPCODE_TRUNC: + /* round toward zero */ + brw_RNDZ(p, dst, args[0]); + break; case OPCODE_XPD: emit_xpd(p, dst, args[0], args[1]); break; diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c index baecfdcb79..d43e326f7d 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c +++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c @@ -267,7 +267,7 @@ static void emit_trunc( struct brw_wm_compile *c, struct brw_reg src, dst; dst = get_dst_reg(c, inst, i, 1) ; src = get_src_reg(c, &inst->SrcReg[0], i, 1); - brw_RNDD(p, dst, src); + brw_RNDZ(p, dst, src); } } brw_set_saturate(p, 0); |