fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-04 22:49:13 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

r600g: fix RSQ of negative value on Cayman

Browse source 
NOTE: This is a candidate for the stable branches.
This commit is contained in:
Marek Olšák 2012-09-25 17:20:38 +02:00
parent 836325bf7e
commit fd5c538464
1 changed files with 5 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
src/gallium/drivers/r600/r600_shader.c
View file

@ -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;