mirror of
https://git.suyu.dev/suyu/suyu.git
synced 2024-11-25 21:06:58 -05:00
Move program_counter and call_stack from UnitState to interpreter
This commit is contained in:
Jannik Vogel
parent
6c6d99ca51
commit
7e756faaba
3 changed files with 42 additions and 45 deletions
|
|
@ -67,7 +67,6 @@ OutputVertex ShaderSetup::Run(UnitState<false>& state, const InputVertex& input,
|
|||
|
||||
MICROPROFILE_SCOPE(GPU_Shader);
|
||||
|
||||
state.program_counter = config.main_offset;
|
||||
state.debug.max_offset = 0;
|
||||
state.debug.max_opdesc_id = 0;
|
||||
|
||||
|
|
@ -143,7 +142,6 @@ OutputVertex ShaderSetup::Run(UnitState<false>& state, const InputVertex& input,
|
|||
DebugData<true> ShaderSetup::ProduceDebugInfo(const InputVertex& input, int num_attributes, const Regs::ShaderConfig& config, const ShaderSetup& setup) {
|
||||
UnitState<true> state;
|
||||
|
||||
state.program_counter = config.main_offset;
|
||||
state.debug.max_offset = 0;
|
||||
state.debug.max_opdesc_id = 0;
|
||||
|
||||
|
|
|
|||
|
|
@ -272,29 +272,12 @@ struct UnitState {
|
|||
} registers;
|
||||
static_assert(std::is_pod<Registers>::value, "Structure is not POD");
|
||||
|
||||
u32 program_counter;
|
||||
bool conditional_code[2];
|
||||
|
||||
// Two Address registers and one loop counter
|
||||
// TODO: How many bits do these actually have?
|
||||
s32 address_registers[3];
|
||||
|
||||
enum {
|
||||
INVALID_ADDRESS = 0xFFFFFFFF
|
||||
};
|
||||
|
||||
struct CallStackElement {
|
||||
u32 final_address; // Address upon which we jump to return_address
|
||||
u32 return_address; // Where to jump when leaving scope
|
||||
u8 repeat_counter; // How often to repeat until this call stack element is removed
|
||||
u8 loop_increment; // Which value to add to the loop counter after an iteration
|
||||
// TODO: Should this be a signed value? Does it even matter?
|
||||
u32 loop_address; // The address where we'll return to after each loop iteration
|
||||
};
|
||||
|
||||
// TODO: Is there a maximal size for this?
|
||||
boost::container::static_vector<CallStackElement, 16> call_stack;
|
||||
|
||||
DebugData<Debug> debug;
|
||||
|
||||
static size_t InputOffset(const SourceRegister& reg) {
|
||||
|
|
|
|||
|
|
@ -29,8 +29,24 @@ namespace Pica {
|
|||
|
||||
namespace Shader {
|
||||
|
||||
constexpr u32 INVALID_ADDRESS = 0xFFFFFFFF;
|
||||
|
||||
struct CallStackElement {
|
||||
u32 final_address; // Address upon which we jump to return_address
|
||||
u32 return_address; // Where to jump when leaving scope
|
||||
u8 repeat_counter; // How often to repeat until this call stack element is removed
|
||||
u8 loop_increment; // Which value to add to the loop counter after an iteration
|
||||
// TODO: Should this be a signed value? Does it even matter?
|
||||
u32 loop_address; // The address where we'll return to after each loop iteration
|
||||
};
|
||||
|
||||
template<bool Debug>
|
||||
void RunInterpreter(UnitState<Debug>& state) {
|
||||
// TODO: Is there a maximal size for this?
|
||||
boost::container::static_vector<CallStackElement, 16> call_stack;
|
||||
|
||||
u32 program_counter = g_state.regs.vs.main_offset;
|
||||
|
||||
const auto& uniforms = g_state.vs.uniforms;
|
||||
const auto& swizzle_data = g_state.vs.swizzle_data;
|
||||
const auto& program_code = g_state.vs.program_code;
|
||||
|
|
@ -41,16 +57,16 @@ void RunInterpreter(UnitState<Debug>& state) {
|
|||
unsigned iteration = 0;
|
||||
bool exit_loop = false;
|
||||
while (!exit_loop) {
|
||||
if (!state.call_stack.empty()) {
|
||||
auto& top = state.call_stack.back();
|
||||
if (state.program_counter == top.final_address) {
|
||||
if (!call_stack.empty()) {
|
||||
auto& top = call_stack.back();
|
||||
if (program_counter == top.final_address) {
|
||||
state.address_registers[2] += top.loop_increment;
|
||||
|
||||
if (top.repeat_counter-- == 0) {
|
||||
state.program_counter = top.return_address;
|
||||
state.call_stack.pop_back();
|
||||
program_counter = top.return_address;
|
||||
call_stack.pop_back();
|
||||
} else {
|
||||
state.program_counter = top.loop_address;
|
||||
program_counter = top.loop_address;
|
||||
}
|
||||
|
||||
// TODO: Is "trying again" accurate to hardware?
|
||||
|
|
@ -58,20 +74,20 @@ void RunInterpreter(UnitState<Debug>& state) {
|
|||
}
|
||||
}
|
||||
|
||||
const Instruction instr = { program_code[state.program_counter] };
|
||||
const Instruction instr = { program_code[program_counter] };
|
||||
const SwizzlePattern swizzle = { swizzle_data[instr.common.operand_desc_id] };
|
||||
|
||||
static auto call = [](UnitState<Debug>& state, u32 offset, u32 num_instructions,
|
||||
static auto call = [&program_counter, &call_stack](UnitState<Debug>& state, u32 offset, u32 num_instructions,
|
||||
u32 return_offset, u8 repeat_count, u8 loop_increment) {
|
||||
state.program_counter = offset - 1; // -1 to make sure when incrementing the PC we end up at the correct offset
|
||||
ASSERT(state.call_stack.size() < state.call_stack.capacity());
|
||||
state.call_stack.push_back({ offset + num_instructions, return_offset, repeat_count, loop_increment, offset });
|
||||
program_counter = offset - 1; // -1 to make sure when incrementing the PC we end up at the correct offset
|
||||
ASSERT(call_stack.size() < call_stack.capacity());
|
||||
call_stack.push_back({ offset + num_instructions, return_offset, repeat_count, loop_increment, offset });
|
||||
};
|
||||
Record<DebugDataRecord::CUR_INSTR>(state.debug, iteration, state.program_counter);
|
||||
Record<DebugDataRecord::CUR_INSTR>(state.debug, iteration, program_counter);
|
||||
if (iteration > 0)
|
||||
Record<DebugDataRecord::NEXT_INSTR>(state.debug, iteration - 1, state.program_counter);
|
||||
Record<DebugDataRecord::NEXT_INSTR>(state.debug, iteration - 1, program_counter);
|
||||
|
||||
state.debug.max_offset = std::max<u32>(state.debug.max_offset, 1 + state.program_counter);
|
||||
state.debug.max_offset = std::max<u32>(state.debug.max_offset, 1 + program_counter);
|
||||
|
||||
auto LookupSourceRegister = [&](const SourceRegister& source_reg) -> const float24* {
|
||||
switch (source_reg.GetRegisterType()) {
|
||||
|
|
@ -519,7 +535,7 @@ void RunInterpreter(UnitState<Debug>& state) {
|
|||
case OpCode::Id::JMPC:
|
||||
Record<DebugDataRecord::COND_CMP_IN>(state.debug, iteration, state.conditional_code);
|
||||
if (evaluate_condition(state, instr.flow_control.refx, instr.flow_control.refy, instr.flow_control)) {
|
||||
state.program_counter = instr.flow_control.dest_offset - 1;
|
||||
program_counter = instr.flow_control.dest_offset - 1;
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
@ -527,7 +543,7 @@ void RunInterpreter(UnitState<Debug>& state) {
|
|||
Record<DebugDataRecord::COND_BOOL_IN>(state.debug, iteration, uniforms.b[instr.flow_control.bool_uniform_id]);
|
||||
|
||||
if (uniforms.b[instr.flow_control.bool_uniform_id] == !(instr.flow_control.num_instructions & 1)) {
|
||||
state.program_counter = instr.flow_control.dest_offset - 1;
|
||||
program_counter = instr.flow_control.dest_offset - 1;
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
@ -535,7 +551,7 @@ void RunInterpreter(UnitState<Debug>& state) {
|
|||
call(state,
|
||||
instr.flow_control.dest_offset,
|
||||
instr.flow_control.num_instructions,
|
||||
state.program_counter + 1, 0, 0);
|
||||
program_counter + 1, 0, 0);
|
||||
break;
|
||||
|
||||
case OpCode::Id::CALLU:
|
||||
|
|
@ -544,7 +560,7 @@ void RunInterpreter(UnitState<Debug>& state) {
|
|||
call(state,
|
||||
instr.flow_control.dest_offset,
|
||||
instr.flow_control.num_instructions,
|
||||
state.program_counter + 1, 0, 0);
|
||||
program_counter + 1, 0, 0);
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
@ -554,7 +570,7 @@ void RunInterpreter(UnitState<Debug>& state) {
|
|||
call(state,
|
||||
instr.flow_control.dest_offset,
|
||||
instr.flow_control.num_instructions,
|
||||
state.program_counter + 1, 0, 0);
|
||||
program_counter + 1, 0, 0);
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
@ -565,8 +581,8 @@ void RunInterpreter(UnitState<Debug>& state) {
|
|||
Record<DebugDataRecord::COND_BOOL_IN>(state.debug, iteration, uniforms.b[instr.flow_control.bool_uniform_id]);
|
||||
if (uniforms.b[instr.flow_control.bool_uniform_id]) {
|
||||
call(state,
|
||||
state.program_counter + 1,
|
||||
instr.flow_control.dest_offset - state.program_counter - 1,
|
||||
program_counter + 1,
|
||||
instr.flow_control.dest_offset - program_counter - 1,
|
||||
instr.flow_control.dest_offset + instr.flow_control.num_instructions, 0, 0);
|
||||
} else {
|
||||
call(state,
|
||||
|
|
@ -584,8 +600,8 @@ void RunInterpreter(UnitState<Debug>& state) {
|
|||
Record<DebugDataRecord::COND_CMP_IN>(state.debug, iteration, state.conditional_code);
|
||||
if (evaluate_condition(state, instr.flow_control.refx, instr.flow_control.refy, instr.flow_control)) {
|
||||
call(state,
|
||||
state.program_counter + 1,
|
||||
instr.flow_control.dest_offset - state.program_counter - 1,
|
||||
program_counter + 1,
|
||||
instr.flow_control.dest_offset - program_counter - 1,
|
||||
instr.flow_control.dest_offset + instr.flow_control.num_instructions, 0, 0);
|
||||
} else {
|
||||
call(state,
|
||||
|
|
@ -607,8 +623,8 @@ void RunInterpreter(UnitState<Debug>& state) {
|
|||
|
||||
Record<DebugDataRecord::LOOP_INT_IN>(state.debug, iteration, loop_param);
|
||||
call(state,
|
||||
state.program_counter + 1,
|
||||
instr.flow_control.dest_offset - state.program_counter + 1,
|
||||
program_counter + 1,
|
||||
instr.flow_control.dest_offset - program_counter + 1,
|
||||
instr.flow_control.dest_offset + 1,
|
||||
loop_param.x,
|
||||
loop_param.z);
|
||||
|
|
@ -625,7 +641,7 @@ void RunInterpreter(UnitState<Debug>& state) {
|
|||
}
|
||||
}
|
||||
|
||||
++state.program_counter;
|
||||
++program_counter;
|
||||
++iteration;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue