Module: Mesa Branch: master Commit: fd5c5384648a0d6191c19748a2d1f1148c5ee98f URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=fd5c5384648a0d6191c19748a2d1f1148c5ee98f
Author: Marek Olšák <[email protected]> Date: Tue Sep 25 17:20:38 2012 +0200 r600g: fix RSQ of negative value on Cayman NOTE: This is a candidate for the stable branches. --- 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 6e47593..7df549b 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; _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
