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GPU: Added asserts to our code for handling the QUERY_GET GPU command.

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This is based on research from nouveau. Many things are currently unknown and will require hwtests in the future.
This commit also stubs QueryMode::Write2 to do the same as Write. Nouveau code treats them interchangeably, it is currently unknown what the difference is.
This commit is contained in:
Subv
2018-04-23 17:06:57 -05:00
parent 62937798a0
commit f208953585
2 changed files with 53 additions and 2 deletions
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27
src/video_core/engines/maxwell_3d.cpp
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@ -147,11 +147,36 @@ void Maxwell3D::ProcessQueryGet() {
// VAddr before writing.
VAddr address = memory_manager.PhysicalToVirtualAddress(sequence_address);
// TODO(Subv): Support the other query units.
ASSERT_MSG(regs.query.query_get.unit == Regs::QueryUnit::Crop,
"Units other than CROP are unimplemented");
ASSERT_MSG(regs.query.query_get.short_query,
"Writing the entire query result structure is unimplemented");
u32 value = Memory::Read32(address);
u32 result = 0;
// TODO(Subv): Support the other query variables
switch (regs.query.query_get.select) {
case Regs::QuerySelect::Zero:
result = 0;
break;
default:
UNIMPLEMENTED_MSG("Unimplemented query select type %u",
static_cast<u32>(regs.query.query_get.select.Value()));
}
// TODO(Subv): Research and implement how query sync conditions work.
switch (regs.query.query_get.mode) {
case Regs::QueryMode::Write: {
case Regs::QueryMode::Write:
case Regs::QueryMode::Write2: {
// Write the current query sequence to the sequence address.
u32 sequence = regs.query.query_sequence;
Memory::Write32(address, sequence);
// TODO(Subv): Write the proper query response structure to the address when not using short
// mode.
break;
}
default: