The 32-bit immediate value in the i965 instruction word must contain two
copies of any 16-bit constants. brw_imm_uw and brw_imm_w just needed to
copy the value into both halves of the immediate value instruction field.
static __inline struct brw_reg brw_imm_uw( GLushort uw )
{
struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_UW);
- imm.dw1.ud = uw;
+ imm.dw1.ud = uw | (uw << 16);
return imm;
}
static __inline struct brw_reg brw_imm_w( GLshort w )
{
struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_W);
- imm.dw1.d = w;
+ imm.dw1.d = w | (w << 16);
return imm;
}