diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/video_core/engines/maxwell_3d.cpp | 93 | ||||
| -rw-r--r-- | src/video_core/engines/maxwell_3d.h | 16 |
2 files changed, 58 insertions, 51 deletions
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp index 7cea146f0..2a5855795 100644 --- a/src/video_core/engines/maxwell_3d.cpp +++ b/src/video_core/engines/maxwell_3d.cpp @@ -519,61 +519,66 @@ void Maxwell3D::ProcessFirmwareCall4() { regs.reg_array[0xd00] = 1; } -void Maxwell3D::ProcessQueryGet() { +void Maxwell3D::StampQueryResult(u64 payload, bool long_query) { + struct LongQueryResult { + u64_le value; + u64_le timestamp; + }; + static_assert(sizeof(LongQueryResult) == 16, "LongQueryResult has wrong size"); const GPUVAddr sequence_address{regs.query.QueryAddress()}; - // Since the sequence address is given as a GPU VAddr, we have to convert it to an application - // VAddr before writing. + if (long_query) { + // Write the 128-bit result structure in long mode. Note: We emulate an infinitely fast + // GPU, this command may actually take a while to complete in real hardware due to GPU + // wait queues. + LongQueryResult query_result{}; + query_result.value = payload; + // TODO(Subv): Generate a real GPU timestamp and write it here instead of CoreTiming + query_result.timestamp = system.CoreTiming().GetTicks(); + memory_manager.WriteBlock(sequence_address, &query_result, sizeof(query_result)); + } else { + memory_manager.Write<u32>(sequence_address, static_cast<u32>(payload)); + } +} +void Maxwell3D::ProcessQueryGet() { // TODO(Subv): Support the other query units. ASSERT_MSG(regs.query.query_get.unit == Regs::QueryUnit::Crop, "Units other than CROP are unimplemented"); - u64 result = 0; - - // TODO(Subv): Support the other query variables - switch (regs.query.query_get.select) { - case Regs::QuerySelect::Zero: - // This seems to actually write the query sequence to the query address. - result = regs.query.query_sequence; + switch (regs.query.query_get.operation) { + case Regs::QueryOperation::Release: { + u64 result = regs.query.query_sequence; + StampQueryResult(result, regs.query.query_get.short_query == 0); break; - default: - result = 1; - UNIMPLEMENTED_MSG("Unimplemented query select type {}", - static_cast<u32>(regs.query.query_get.select.Value())); } - - // TODO(Subv): Research and implement how query sync conditions work. - - struct LongQueryResult { - u64_le value; - u64_le timestamp; - }; - static_assert(sizeof(LongQueryResult) == 16, "LongQueryResult has wrong size"); - - switch (regs.query.query_get.mode) { - case Regs::QueryMode::Write: - case Regs::QueryMode::Write2: { - u32 sequence = regs.query.query_sequence; - if (regs.query.query_get.short_query) { - // Write the current query sequence to the sequence address. - // TODO(Subv): Find out what happens if you use a long query type but mark it as a short - // query. - memory_manager.Write<u32>(sequence_address, sequence); - } else { - // Write the 128-bit result structure in long mode. Note: We emulate an infinitely fast - // GPU, this command may actually take a while to complete in real hardware due to GPU - // wait queues. - LongQueryResult query_result{}; - query_result.value = result; - // TODO(Subv): Generate a real GPU timestamp and write it here instead of CoreTiming - query_result.timestamp = system.CoreTiming().GetTicks(); - memory_manager.WriteBlock(sequence_address, &query_result, sizeof(query_result)); + case Regs::QueryOperation::Acquire: { + // Todo(Blinkhawk): Under this operation, the GPU waits for the CPU + // to write a value that matches the current payload. + UNIMPLEMENTED_MSG("Unimplemented query operation ACQUIRE"); + break; + } + case Regs::QueryOperation::Counter: { + u64 result{}; + switch (regs.query.query_get.select) { + case Regs::QuerySelect::Zero: + result = 0; + break; + default: + result = 1; + UNIMPLEMENTED_MSG("Unimplemented query select type {}", + static_cast<u32>(regs.query.query_get.select.Value())); } + StampQueryResult(result, regs.query.query_get.short_query == 0); + break; + } + case Regs::QueryOperation::Trap: { + UNIMPLEMENTED_MSG("Unimplemented query operation TRAP"); + break; + } + default: { + UNIMPLEMENTED_MSG("Unknown query operation"); break; } - default: - UNIMPLEMENTED_MSG("Query mode {} not implemented", - static_cast<u32>(regs.query.query_get.mode.Value())); } } diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h index e437bacb7..78e055765 100644 --- a/src/video_core/engines/maxwell_3d.h +++ b/src/video_core/engines/maxwell_3d.h @@ -71,12 +71,11 @@ public: static constexpr std::size_t MaxConstBuffers = 18; static constexpr std::size_t MaxConstBufferSize = 0x10000; - 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 QueryOperation : u32 { + Release = 0, + Acquire = 1, + Counter = 2, + Trap = 3, }; enum class QueryUnit : u32 { @@ -1077,7 +1076,7 @@ public: u32 query_sequence; union { u32 raw; - BitField<0, 2, QueryMode> mode; + BitField<0, 2, QueryOperation> operation; BitField<4, 1, u32> fence; BitField<12, 4, QueryUnit> unit; BitField<16, 1, QuerySyncCondition> sync_cond; @@ -1409,6 +1408,9 @@ private: /// Handles a write to the QUERY_GET register. void ProcessQueryGet(); + // Writes the query result accordingly + void StampQueryResult(u64 payload, bool long_query); + // Handles Conditional Rendering void ProcessQueryCondition(); |