diff options
| author | Christian König <deathsimple@vodafone.de> | 2010-12-14 19:32:08 +0100 |
|---|---|---|
| committer | Christian König <deathsimple@vodafone.de> | 2011-01-12 00:41:49 +0100 |
| commit | a1146c1373e66d429afbb92ecb08a6fd67c3e224 (patch) | |
| tree | 5c3decfd38fff8795301ff3be795738fc8bf8b58 /src/gallium/drivers | |
| parent | 7be5455796facbe35cf1f1bdbefa83759b2e3b58 (diff) | |
r600g: DP4 also supports writemasking
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 268a633c51..59c080fcbb 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -1668,15 +1668,13 @@ static int tgsi_dp(struct r600_shader_ctx *ctx) alu.src[j] = r600_src[j]; alu.src[j].chan = tgsi_chan(&inst->Src[j], i); } - if(inst->Dst[0].Register.WriteMask & (1 << i)) { - r = tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst); - if (r) - return r; - } else { - alu.dst.sel = ctx->temp_reg; - } + + r = tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst); + if (r) + return r; + alu.dst.chan = i; - alu.dst.write = 1; + alu.dst.write = (inst->Dst[0].Register.WriteMask >> i) & 1; /* handle some special cases */ switch (ctx->inst_info->tgsi_opcode) { case TGSI_OPCODE_DP2: |