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Merge pull request #386 from Subv/gpu_query

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GPU: Added asserts to our code for handling the QUERY_GET GPU command.
This commit is contained in:
bunnei 2018-04-24 16:13:51 -04:00 committed by GitHub
commit e8c2bb24b2
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2 changed files with 53 additions and 2 deletions
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27
src/video_core/engines/maxwell_3d.cpp
View file

@ -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:

28
src/video_core/engines/maxwell_3d.h
View file

@ -46,6 +46,29 @@ public:
enum class QueryMode : u32 {
Write = 0,
Sync = 1,
// TODO(Subv): It is currently unknown what the difference between method 2 and method 0
// is.
Write2 = 2,
};
enum class QueryUnit : u32 {
VFetch = 1,
VP = 2,
Rast = 4,
StrmOut = 5,
GP = 6,
ZCull = 7,
Prop = 10,
Crop = 15,
};
enum class QuerySelect : u32 {
Zero = 0,
};
enum class QuerySyncCondition : u32 {
NotEqual = 0,
GreaterThan = 1,
};
enum class ShaderProgram : u32 {
@ -476,7 +499,10 @@ public:
u32 raw;
BitField<0, 2, QueryMode> mode;
BitField<4, 1, u32> fence;
BitField<12, 4, u32> unit;
BitField<12, 4, QueryUnit> unit;
BitField<16, 1, QuerySyncCondition> sync_cond;
BitField<23, 5, QuerySelect> select;
BitField<28, 1, u32> short_query;
} query_get;
GPUVAddr QueryAddress() const {