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i965/fs: Assert that nir_op_extract_*'s src1 is a constant.

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This commit is contained in:
Matt Turner 2016-05-16 15:22:59 -07:00
parent 6a4ff51f7a
commit cbb0e3a7e8
1 changed files with 2 additions and 0 deletions
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2
src/mesa/drivers/dri/i965/brw_fs_nir.cpp
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@ -1384,6 +1384,7 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, nir_alu_instr *instr)
case nir_op_extract_u8:
case nir_op_extract_i8: {
nir_const_value *byte = nir_src_as_const_value(instr->src[1].src);
assert(byte != NULL);
bld.emit(SHADER_OPCODE_EXTRACT_BYTE,
result, op[0], brw_imm_ud(byte->u32[0]));
break;
@ -1392,6 +1393,7 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, nir_alu_instr *instr)
case nir_op_extract_u16:
case nir_op_extract_i16: {
nir_const_value *word = nir_src_as_const_value(instr->src[1].src);
assert(word != NULL);
bld.emit(SHADER_OPCODE_EXTRACT_WORD,
result, op[0], brw_imm_ud(word->u32[0]));
break;