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-rw-r--r--src/video_core/engines/maxwell_3d.cpp26
-rw-r--r--src/video_core/engines/maxwell_3d.h25
-rw-r--r--src/video_core/macro_interpreter.cpp19
-rw-r--r--src/video_core/macro_interpreter.h12
4 files changed, 55 insertions, 27 deletions
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index 7357d20d1..d79c50919 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -43,15 +43,17 @@ void Maxwell3D::CallMacroMethod(u32 method, std::vector<u32> parameters) {
// Reset the current macro.
executing_macro = 0;
- // The requested macro must have been uploaded already.
- auto macro_code = uploaded_macros.find(method);
- if (macro_code == uploaded_macros.end()) {
- LOG_ERROR(HW_GPU, "Macro {:04X} was not uploaded", method);
+ // Lookup the macro offset
+ const u32 entry{(method - MacroRegistersStart) >> 1};
+ const auto& search{macro_offsets.find(entry)};
+ if (search == macro_offsets.end()) {
+ LOG_CRITICAL(HW_GPU, "macro not found for method 0x{:X}!", method);
+ UNREACHABLE();
return;
}
// Execute the current macro.
- macro_interpreter.Execute(macro_code->second, std::move(parameters));
+ macro_interpreter.Execute(search->second, std::move(parameters));
}
void Maxwell3D::WriteReg(u32 method, u32 value, u32 remaining_params) {
@@ -97,6 +99,10 @@ void Maxwell3D::WriteReg(u32 method, u32 value, u32 remaining_params) {
ProcessMacroUpload(value);
break;
}
+ case MAXWELL3D_REG_INDEX(macros.bind): {
+ ProcessMacroBind(value);
+ break;
+ }
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[0]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[1]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[2]):
@@ -158,9 +164,13 @@ void Maxwell3D::WriteReg(u32 method, u32 value, u32 remaining_params) {
}
void Maxwell3D::ProcessMacroUpload(u32 data) {
- // Store the uploaded macro code to interpret them when they're called.
- auto& macro = uploaded_macros[regs.macros.entry * 2 + MacroRegistersStart];
- macro.push_back(data);
+ ASSERT_MSG(regs.macros.upload_address < macro_memory.size(),
+ "upload_address exceeded macro_memory size!");
+ macro_memory[regs.macros.upload_address++] = data;
+}
+
+void Maxwell3D::ProcessMacroBind(u32 data) {
+ macro_offsets[regs.macros.entry] = data;
}
void Maxwell3D::ProcessQueryGet() {
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index 443affc36..50873813e 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -475,12 +475,13 @@ public:
INSERT_PADDING_WORDS(0x45);
struct {
- INSERT_PADDING_WORDS(1);
+ u32 upload_address;
u32 data;
u32 entry;
+ u32 bind;
} macros;
- INSERT_PADDING_WORDS(0x189);
+ INSERT_PADDING_WORDS(0x188);
u32 tfb_enabled;
@@ -994,12 +995,25 @@ public:
/// Returns the texture information for a specific texture in a specific shader stage.
Texture::FullTextureInfo GetStageTexture(Regs::ShaderStage stage, std::size_t offset) const;
+ /// Memory for macro code - it's undetermined how big this is, however 1MB is much larger than
+ /// we've seen used.
+ using MacroMemory = std::array<u32, 0x40000>;
+
+ /// Gets a reference to macro memory.
+ const MacroMemory& GetMacroMemory() const {
+ return macro_memory;
+ }
+
private:
void InitializeRegisterDefaults();
VideoCore::RasterizerInterface& rasterizer;
- std::unordered_map<u32, std::vector<u32>> uploaded_macros;
+ /// Start offsets of each macro in macro_memory
+ std::unordered_map<u32, u32> macro_offsets;
+
+ /// Memory for macro code
+ MacroMemory macro_memory;
/// Macro method that is currently being executed / being fed parameters.
u32 executing_macro = 0;
@@ -1022,9 +1036,12 @@ private:
*/
void CallMacroMethod(u32 method, std::vector<u32> parameters);
- /// Handles writes to the macro uploading registers.
+ /// Handles writes to the macro uploading register.
void ProcessMacroUpload(u32 data);
+ /// Handles writes to the macro bind register.
+ void ProcessMacroBind(u32 data);
+
/// Handles a write to the CLEAR_BUFFERS register.
void ProcessClearBuffers();
diff --git a/src/video_core/macro_interpreter.cpp b/src/video_core/macro_interpreter.cpp
index f6af132fb..335a8d407 100644
--- a/src/video_core/macro_interpreter.cpp
+++ b/src/video_core/macro_interpreter.cpp
@@ -11,7 +11,7 @@ namespace Tegra {
MacroInterpreter::MacroInterpreter(Engines::Maxwell3D& maxwell3d) : maxwell3d(maxwell3d) {}
-void MacroInterpreter::Execute(const std::vector<u32>& code, std::vector<u32> parameters) {
+void MacroInterpreter::Execute(u32 offset, std::vector<u32> parameters) {
Reset();
registers[1] = parameters[0];
this->parameters = std::move(parameters);
@@ -19,7 +19,7 @@ void MacroInterpreter::Execute(const std::vector<u32>& code, std::vector<u32> pa
// Execute the code until we hit an exit condition.
bool keep_executing = true;
while (keep_executing) {
- keep_executing = Step(code, false);
+ keep_executing = Step(offset, false);
}
// Assert the the macro used all the input parameters
@@ -37,10 +37,10 @@ void MacroInterpreter::Reset() {
next_parameter_index = 1;
}
-bool MacroInterpreter::Step(const std::vector<u32>& code, bool is_delay_slot) {
+bool MacroInterpreter::Step(u32 offset, bool is_delay_slot) {
u32 base_address = pc;
- Opcode opcode = GetOpcode(code);
+ Opcode opcode = GetOpcode(offset);
pc += 4;
// Update the program counter if we were delayed
@@ -108,7 +108,7 @@ bool MacroInterpreter::Step(const std::vector<u32>& code, bool is_delay_slot) {
delayed_pc = base_address + opcode.GetBranchTarget();
// Execute one more instruction due to the delay slot.
- return Step(code, true);
+ return Step(offset, true);
}
break;
}
@@ -121,17 +121,18 @@ bool MacroInterpreter::Step(const std::vector<u32>& code, bool is_delay_slot) {
// Exit has a delay slot, execute the next instruction
// Note: Executing an exit during a branch delay slot will cause the instruction at the
// branch target to be executed before exiting.
- Step(code, true);
+ Step(offset, true);
return false;
}
return true;
}
-MacroInterpreter::Opcode MacroInterpreter::GetOpcode(const std::vector<u32>& code) const {
+MacroInterpreter::Opcode MacroInterpreter::GetOpcode(u32 offset) const {
+ const auto& macro_memory{maxwell3d.GetMacroMemory()};
ASSERT((pc % sizeof(u32)) == 0);
- ASSERT(pc < code.size() * sizeof(u32));
- return {code[pc / sizeof(u32)]};
+ ASSERT((pc + offset) < macro_memory.size() * sizeof(u32));
+ return {macro_memory[offset + pc / sizeof(u32)]};
}
u32 MacroInterpreter::GetALUResult(ALUOperation operation, u32 src_a, u32 src_b) const {
diff --git a/src/video_core/macro_interpreter.h b/src/video_core/macro_interpreter.h
index 773684bde..62d1ce289 100644
--- a/src/video_core/macro_interpreter.h
+++ b/src/video_core/macro_interpreter.h
@@ -22,10 +22,10 @@ public:
/**
* Executes the macro code with the specified input parameters.
- * @param code The macro byte code to execute
- * @param parameters The parameters of the macro
+ * @param offset Offset to start execution at.
+ * @param parameters The parameters of the macro.
*/
- void Execute(const std::vector<u32>& code, std::vector<u32> parameters);
+ void Execute(u32 offset, std::vector<u32> parameters);
private:
enum class Operation : u32 {
@@ -110,11 +110,11 @@ private:
/**
* Executes a single macro instruction located at the current program counter. Returns whether
* the interpreter should keep running.
- * @param code The macro code to execute.
+ * @param offset Offset to start execution at.
* @param is_delay_slot Whether the current step is being executed due to a delay slot in a
* previous instruction.
*/
- bool Step(const std::vector<u32>& code, bool is_delay_slot);
+ bool Step(u32 offset, bool is_delay_slot);
/// Calculates the result of an ALU operation. src_a OP src_b;
u32 GetALUResult(ALUOperation operation, u32 src_a, u32 src_b) const;
@@ -127,7 +127,7 @@ private:
bool EvaluateBranchCondition(BranchCondition cond, u32 value) const;
/// Reads an opcode at the current program counter location.
- Opcode GetOpcode(const std::vector<u32>& code) const;
+ Opcode GetOpcode(u32 offset) const;
/// Returns the specified register's value. Register 0 is hardcoded to always return 0.
u32 GetRegister(u32 register_id) const;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 11:59:37 +0100