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-rw-r--r--src/video_core/command_processor.cpp56
-rw-r--r--src/video_core/engines/maxwell_3d.cpp23
-rw-r--r--src/video_core/engines/maxwell_3d.h12
-rw-r--r--src/video_core/gpu.h10
4 files changed, 74 insertions, 27 deletions
diff --git a/src/video_core/command_processor.cpp b/src/video_core/command_processor.cpp
index 1d578582e..d4cdb4ab2 100644
--- a/src/video_core/command_processor.cpp
+++ b/src/video_core/command_processor.cpp
@@ -24,12 +24,37 @@ namespace Tegra {
enum class BufferMethods {
BindObject = 0,
+ SetGraphMacroCode = 0x45,
+ SetGraphMacroCodeArg = 0x46,
+ SetGraphMacroEntry = 0x47,
CountBufferMethods = 0x100,
};
-void GPU::WriteReg(u32 method, u32 subchannel, u32 value) {
- LOG_WARNING(HW_GPU, "Processing method %08X on subchannel %u value %08X", method, subchannel,
- value);
+void GPU::WriteReg(u32 method, u32 subchannel, u32 value, u32 remaining_params) {
+ LOG_WARNING(HW_GPU, "Processing method %08X on subchannel %u value %08X remaining params %u",
+ method, subchannel, value, remaining_params);
+
+ if (method == static_cast<u32>(BufferMethods::SetGraphMacroEntry)) {
+ // Prepare to upload a new macro, reset the upload counter.
+ LOG_DEBUG(HW_GPU, "Uploading GPU macro %08X", value);
+ current_macro_entry = value;
+ current_macro_code.clear();
+ return;
+ }
+
+ if (method == static_cast<u32>(BufferMethods::SetGraphMacroCodeArg)) {
+ // Append a new code word to the current macro.
+ current_macro_code.push_back(value);
+
+ // There are no more params remaining, submit the code to the 3D engine.
+ if (remaining_params == 0) {
+ maxwell_3d->SubmitMacroCode(current_macro_entry, std::move(current_macro_code));
+ current_macro_entry = InvalidGraphMacroEntry;
+ current_macro_code.clear();
+ }
+
+ return;
+ }
if (method == static_cast<u32>(BufferMethods::BindObject)) {
// Bind the current subchannel to the desired engine id.
@@ -54,7 +79,7 @@ void GPU::WriteReg(u32 method, u32 subchannel, u32 value) {
fermi_2d->WriteReg(method, value);
break;
case EngineID::MAXWELL_B:
- maxwell_3d->WriteReg(method, value);
+ maxwell_3d->WriteReg(method, value, remaining_params);
break;
case EngineID::MAXWELL_COMPUTE_B:
maxwell_compute->WriteReg(method, value);
@@ -78,7 +103,8 @@ void GPU::ProcessCommandList(GPUVAddr address, u32 size) {
case SubmissionMode::Increasing: {
// Increase the method value with each argument.
for (unsigned i = 0; i < header.arg_count; ++i) {
- WriteReg(header.method + i, header.subchannel, Memory::Read32(current_addr));
+ WriteReg(header.method + i, header.subchannel, Memory::Read32(current_addr),
+ header.arg_count - i - 1);
current_addr += sizeof(u32);
}
break;
@@ -87,31 +113,31 @@ void GPU::ProcessCommandList(GPUVAddr address, u32 size) {
case SubmissionMode::NonIncreasing: {
// Use the same method value for all arguments.
for (unsigned i = 0; i < header.arg_count; ++i) {
- WriteReg(header.method, header.subchannel, Memory::Read32(current_addr));
+ WriteReg(header.method, header.subchannel, Memory::Read32(current_addr),
+ header.arg_count - i - 1);
current_addr += sizeof(u32);
}
break;
}
case SubmissionMode::IncreaseOnce: {
ASSERT(header.arg_count.Value() >= 1);
+
// Use the original method for the first argument and then the next method for all other
// arguments.
+ WriteReg(header.method, header.subchannel, Memory::Read32(current_addr),
+ header.arg_count - 1);
+ current_addr += sizeof(u32);
- // Process this command as a method call instead of a register write. Gather
- // all the parameters first and then pass them at once to the CallMethod function.
- std::vector<u32> parameters(header.arg_count);
-
- for (unsigned i = 0; i < header.arg_count; ++i) {
- parameters[i] = Memory::Read32(current_addr);
+ for (unsigned i = 1; i < header.arg_count; ++i) {
+ WriteReg(header.method + 1, header.subchannel, Memory::Read32(current_addr),
+ header.arg_count - i - 1);
current_addr += sizeof(u32);
}
-
- CallMethod(header.method, header.subchannel, parameters);
break;
}
case SubmissionMode::Inline: {
// The register value is stored in the bits 16-28 as an immediate
- WriteReg(header.method, header.subchannel, header.inline_data);
+ WriteReg(header.method, header.subchannel, header.inline_data, 0);
break;
}
default:
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index 67b1b4e7f..49a138c1d 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -17,14 +17,21 @@ const std::unordered_map<u32, Maxwell3D::MethodInfo> Maxwell3D::method_handlers
Maxwell3D::Maxwell3D(MemoryManager& memory_manager) : memory_manager(memory_manager) {}
-void Maxwell3D::AttemptMethodCall(u32 method, const std::vector<u32>& parameters) {
+void Maxwell3D::SubmitMacroCode(u32 entry, std::vector<u32> code) {
+ uploaded_macros[entry * 2 + MacroRegistersStart] = std::move(code);
+}
+
+void Maxwell3D::CallMacroMethod(u32 method, const std::vector<u32>& parameters) {
// TODO(Subv): Write an interpreter for the macros uploaded via registers 0x45 and 0x47
+
+ // The requested macro must have been uploaded already.
+ ASSERT_MSG(uploaded_macros.find(method) != uploaded_macros.end(), "Macro %08X was not uploaded",
+ method);
+
auto itr = method_handlers.find(method);
ASSERT_MSG(itr != method_handlers.end(), "Unhandled method call %08X", method);
- // Only execute the macro handler once we've been fed the expected number of parameters.
- if (itr->second.arguments != parameters.size())
- return;
+ ASSERT(itr->second.arguments == parameters.size());
(this->*itr->second.handler)(parameters);
@@ -33,7 +40,7 @@ void Maxwell3D::AttemptMethodCall(u32 method, const std::vector<u32>& parameters
macro_params.clear();
}
-void Maxwell3D::WriteReg(u32 method, u32 value) {
+void Maxwell3D::WriteReg(u32 method, u32 value, u32 remaining_params) {
ASSERT_MSG(method < Regs::NUM_REGS,
"Invalid Maxwell3D register, increase the size of the Regs structure");
@@ -56,8 +63,10 @@ void Maxwell3D::WriteReg(u32 method, u32 value) {
macro_params.push_back(value);
- // Try to call the macro with the current number of parameters.
- AttemptMethodCall(executing_macro, macro_params);
+ // Call the macro when there are no more parameters in the command buffer
+ if (remaining_params == 0) {
+ CallMacroMethod(executing_macro, macro_params);
+ }
return;
}
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index 75a1c05bc..05820a21e 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -21,7 +21,10 @@ public:
~Maxwell3D() = default;
/// Write the value to the register identified by method.
- void WriteReg(u32 method, u32 value);
+ void WriteReg(u32 method, u32 value, u32 remaining_params);
+
+ /// Uploads the code for a GPU macro program associated with the specified entry.
+ void SubmitMacroCode(u32 entry, std::vector<u32> code);
/// Register structure of the Maxwell3D engine.
/// TODO(Subv): This structure will need to be made bigger as more registers are discovered.
@@ -198,18 +201,19 @@ public:
private:
MemoryManager& memory_manager;
+ std::unordered_map<u32, std::vector<u32>> uploaded_macros;
+
/// Macro method that is currently being executed / being fed parameters.
u32 executing_macro = 0;
/// Parameters that have been submitted to the macro call so far.
std::vector<u32> macro_params;
/**
- * Attempts a method call to this engine. Will return without doing anything if the number of
- * parameters doesn't match what is expected for the method.
+ * Call a macro on this engine.
* @param method Method to call
* @param parameters Arguments to the method call
*/
- void AttemptMethodCall(u32 method, const std::vector<u32>& parameters);
+ void CallMacroMethod(u32 method, const std::vector<u32>& parameters);
/// Handles a write to the QUERY_GET register.
void ProcessQueryGet();
diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h
index ba7781756..d2e4ff52d 100644
--- a/src/video_core/gpu.h
+++ b/src/video_core/gpu.h
@@ -6,6 +6,7 @@
#include <memory>
#include <unordered_map>
+#include <vector>
#include "common/common_types.h"
#include "video_core/engines/fermi_2d.h"
#include "video_core/engines/maxwell_3d.h"
@@ -38,8 +39,10 @@ public:
std::unique_ptr<MemoryManager> memory_manager;
private:
+ static constexpr u32 InvalidGraphMacroEntry = 0xFFFFFFFF;
+
/// Writes a single register in the engine bound to the specified subchannel
- void WriteReg(u32 method, u32 subchannel, u32 value);
+ void WriteReg(u32 method, u32 subchannel, u32 value, u32 remaining_params);
/// Mapping of command subchannels to their bound engine ids.
std::unordered_map<u32, EngineID> bound_engines;
@@ -50,6 +53,11 @@ private:
std::unique_ptr<Engines::Fermi2D> fermi_2d;
/// Compute engine
std::unique_ptr<Engines::MaxwellCompute> maxwell_compute;
+
+ /// Entry of the macro that is currently being uploaded
+ u32 current_macro_entry = InvalidGraphMacroEntry;
+ /// Code being uploaded for the current macro
+ std::vector<u32> current_macro_code;
};
} // namespace Tegra
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 23:28:49 +0100