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SPIR-V: Handle conditional exece CF instructions

This commit is contained in:
Dr. Chat 2017-03-06 15:39:40 -06:00
parent 098d23c3d4
commit b661aa17f9
1 changed files with 12 additions and 4 deletions
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16
src/xenia/gpu/spirv_shader_translator.cc
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@ -794,7 +794,6 @@ void SpirvShaderTranslator::ProcessExecInstructionBegin(
bool_type_, v, b.makeUintConstant(0));
// Conditional branch
assert_true(cf_blocks_.size() > instr.dword_index + 1);
body = &b.makeNewBlock();
exec_cond_ = true;
exec_skip_block_ = &b.makeNewBlock();
@ -805,11 +804,15 @@ void SpirvShaderTranslator::ProcessExecInstructionBegin(
b.createConditionalBranch(cond, body, exec_skip_block_);
b.setBuildPoint(exec_skip_block_);
b.createBranch(cf_blocks_[instr.dword_index + 1].block);
if (!instr.is_end) {
assert_true(cf_blocks_.size() > instr.dword_index + 1);
b.createBranch(cf_blocks_[instr.dword_index + 1].block);
} else {
b.makeReturn(false);
}
} break;
case ParsedExecInstruction::Type::kPredicated: {
// Branch based on p0.
assert_true(cf_blocks_.size() > instr.dword_index + 1);
body = &b.makeNewBlock();
exec_cond_ = true;
exec_skip_block_ = &b.makeNewBlock();
@ -823,7 +826,12 @@ void SpirvShaderTranslator::ProcessExecInstructionBegin(
b.createConditionalBranch(cond, body, exec_skip_block_);
b.setBuildPoint(exec_skip_block_);
b.createBranch(cf_blocks_[instr.dword_index + 1].block);
if (!instr.is_end) {
assert_true(cf_blocks_.size() > instr.dword_index + 1);
b.createBranch(cf_blocks_[instr.dword_index + 1].block);
} else {
b.makeReturn(false);
}
} break;
}
b.setBuildPoint(body);