TexturePass: Fix clamping of images as this allowed negative indices.

This commit is contained in:
Fernando Sahmkow 2021-10-24 20:46:36 +02:00
parent 494e34af6a
commit e5291e2031

View file

@ -492,7 +492,7 @@ void TexturePass(Environment& env, IR::Program& program) {
const auto insert_point{IR::Block::InstructionList::s_iterator_to(*inst)};
IR::IREmitter ir{*texture_inst.block, insert_point};
const IR::U32 shift{ir.Imm32(std::countr_zero(DESCRIPTOR_SIZE))};
inst->SetArg(0, ir.SMin(ir.ShiftRightArithmetic(cbuf.dynamic_offset, shift),
inst->SetArg(0, ir.UMin(ir.ShiftRightArithmetic(cbuf.dynamic_offset, shift),
ir.Imm32(DESCRIPTOR_SIZE - 1)));
} else {
inst->SetArg(0, IR::Value{});