diff options
| author | Marek Olšák <[email protected]> | 2012-09-25 17:20:38 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2012-09-27 19:14:44 +0200 |
| commit | fd5c5384648a0d6191c19748a2d1f1148c5ee98f (patch) | |
| tree | befadad86ad66d88b95e972f0872f6458e55398d /src/gallium/drivers/r600/r600_shader.c | |
| parent | 836325bf7edd797e02ab0717a05ca5c51aa1ac93 (diff) | |
r600g: fix RSQ of negative value on Cayman
NOTE: This is a candidate for the stable branches.
Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 6e475933175..7df549ba702 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -1888,6 +1888,11 @@ static int cayman_emit_float_instr(struct r600_shader_ctx *ctx) alu.inst = ctx->inst_info->r600_opcode; for (j = 0; j < inst->Instruction.NumSrcRegs; j++) { r600_bytecode_src(&alu.src[j], &ctx->src[j], 0); + + /* RSQ should take the absolute value of src */ + if (ctx->inst_info->tgsi_opcode == TGSI_OPCODE_RSQ) { + r600_bytecode_src_set_abs(&alu.src[j]); + } } tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst); alu.dst.write = (inst->Dst[0].Register.WriteMask >> i) & 1; |