midou/citra
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #5262 from lioncash/fmt

Browse Source 
gl_shader_decompiler: Make use of fmt with the decompiler
This commit is contained in:
Ben 2020-05-09 12:28:34 +02:00 committed by GitHub
commit e959d44f00
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 125 additions and 102 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

227
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View File

@ -8,6 +8,7 @@
#include <string> #include <string>
#include <tuple> #include <tuple>
#include <utility> #include <utility>
#include <fmt/format.h>
#include <nihstro/shader_bytecode.h> #include <nihstro/shader_bytecode.h>
#include "common/assert.h" #include "common/assert.h"
#include "common/common_types.h" #include "common/common_types.h"
@ -196,12 +197,19 @@ private:
class ShaderWriter { class ShaderWriter {
public: public:
void AddLine(std::string_view text) { // Forwards all arguments directly to libfmt.
DEBUG_ASSERT(scope >= 0); // Note that all formatting requirements for fmt must be
if (!text.empty()) { // obeyed when using this function. (e.g. {{ must be used
shader_source.append(static_cast<std::size_t>(scope) * 4, ' '); // printing the character '{' is desirable. Ditto for }} and '}',
// etc).
template <typename... Args>
void AddLine(std::string_view text, Args&&... args) {
AddExpression(fmt::format(text, std::forward<Args>(args)...));
AddNewLine();
} }
shader_source += text;
void AddNewLine() {
DEBUG_ASSERT(scope >= 0);
shader_source += '\n'; shader_source += '\n';
} }
@ -212,6 +220,13 @@ public:
int scope = 0; int scope = 0;
private: private:
void AddExpression(std::string_view text) {
if (!text.empty()) {
shader_source.append(static_cast<std::size_t>(scope) * 4, ' ');
}
shader_source += text;
}
std::string shader_source; std::string shader_source;
}; };
@ -222,16 +237,16 @@ std::string GetSelectorSrc(const SwizzlePattern& pattern) {
for (std::size_t i = 0; i < 4; ++i) { for (std::size_t i = 0; i < 4; ++i) {
switch ((pattern.*getter)(i)) { switch ((pattern.*getter)(i)) {
case SwizzlePattern::Selector::x: case SwizzlePattern::Selector::x:
out += "x"; out += 'x';
break; break;
case SwizzlePattern::Selector::y: case SwizzlePattern::Selector::y:
out += "y"; out += 'y';
break; break;
case SwizzlePattern::Selector::z: case SwizzlePattern::Selector::z:
out += "z"; out += 'z';
break; break;
case SwizzlePattern::Selector::w: case SwizzlePattern::Selector::w:
out += "w"; out += 'w';
break; break;
default: default:
UNREACHABLE(); UNREACHABLE();
@ -275,28 +290,28 @@ private:
static std::string EvaluateCondition(Instruction::FlowControlType flow_control) { static std::string EvaluateCondition(Instruction::FlowControlType flow_control) {
using Op = Instruction::FlowControlType::Op; using Op = Instruction::FlowControlType::Op;
std::string result_x = const std::string_view result_x =
flow_control.refx.Value() ? "conditional_code.x" : "!conditional_code.x"; flow_control.refx.Value() ? "conditional_code.x" : "!conditional_code.x";
std::string result_y = const std::string_view result_y =
flow_control.refy.Value() ? "conditional_code.y" : "!conditional_code.y"; flow_control.refy.Value() ? "conditional_code.y" : "!conditional_code.y";
switch (flow_control.op) { switch (flow_control.op) {
case Op::JustX: case Op::JustX:
return result_x; return std::string(result_x);
case Op::JustY: case Op::JustY:
return result_y; return std::string(result_y);
case Op::Or: case Op::Or:
case Op::And: { case Op::And: {
std::string and_or = flow_control.op == Op::Or ? "any" : "all"; const std::string_view and_or = flow_control.op == Op::Or ? "any" : "all";
std::string bvec; std::string bvec;
if (flow_control.refx.Value() && flow_control.refy.Value()) { if (flow_control.refx.Value() && flow_control.refy.Value()) {
bvec = "conditional_code"; bvec = "conditional_code";
} else if (!flow_control.refx.Value() && !flow_control.refy.Value()) { } else if (!flow_control.refx.Value() && !flow_control.refy.Value()) {
bvec = "not(conditional_code)"; bvec = "not(conditional_code)";
} else { } else {
bvec = "bvec2(" + result_x + ", " + result_y + ")"; bvec = fmt::format("bvec2({}, {})", result_x, result_y);
} }
return and_or + "(" + bvec + ")"; return fmt::format("{}({})", and_or, bvec);
} }
default: default:
UNREACHABLE(); UNREACHABLE();
@ -307,20 +322,19 @@ private:
/// Generates code representing a source register. /// Generates code representing a source register.
std::string GetSourceRegister(const SourceRegister& source_reg, std::string GetSourceRegister(const SourceRegister& source_reg,
u32 address_register_index) const { u32 address_register_index) const {
u32 index = static_cast<u32>(source_reg.GetIndex()); const u32 index = static_cast<u32>(source_reg.GetIndex());
std::string index_str = std::to_string(index);
switch (source_reg.GetRegisterType()) { switch (source_reg.GetRegisterType()) {
case RegisterType::Input: case RegisterType::Input:
return inputreg_getter(index); return inputreg_getter(index);
case RegisterType::Temporary: case RegisterType::Temporary:
return "reg_tmp" + index_str; return fmt::format("reg_tmp{}", index);
case RegisterType::FloatUniform: case RegisterType::FloatUniform:
if (address_register_index != 0) { if (address_register_index != 0) {
index_str += return fmt::format("uniforms.f[{} + address_registers.{}]", index,
std::string(" + address_registers.") + "xyz"[address_register_index - 1]; "xyz"[address_register_index - 1]);
} }
return "uniforms.f[" + index_str + "]"; return fmt::format("uniforms.f[{}]", index);
default: default:
UNREACHABLE(); UNREACHABLE();
return ""; return "";
@ -329,13 +343,13 @@ private:
/// Generates code representing a destination register. /// Generates code representing a destination register.
std::string GetDestRegister(const DestRegister& dest_reg) const { std::string GetDestRegister(const DestRegister& dest_reg) const {
u32 index = static_cast<u32>(dest_reg.GetIndex()); const u32 index = static_cast<u32>(dest_reg.GetIndex());
switch (dest_reg.GetRegisterType()) { switch (dest_reg.GetRegisterType()) {
case RegisterType::Output: case RegisterType::Output:
return outputreg_getter(index); return outputreg_getter(index);
case RegisterType::Temporary: case RegisterType::Temporary:
return "reg_tmp" + std::to_string(index); return fmt::format("reg_tmp{}", index);
default: default:
UNREACHABLE(); UNREACHABLE();
return ""; return "";
@ -344,7 +358,7 @@ private:
/// Generates code representing a bool uniform /// Generates code representing a bool uniform
std::string GetUniformBool(u32 index) const { std::string GetUniformBool(u32 index) const {
return "uniforms.b[" + std::to_string(index) + "]"; return fmt::format("uniforms.b[{}]", index);
} }
/** /**
@ -353,12 +367,12 @@ private:
*/ */
void CallSubroutine(const Subroutine& subroutine) { void CallSubroutine(const Subroutine& subroutine) {
if (subroutine.exit_method == ExitMethod::AlwaysEnd) { if (subroutine.exit_method == ExitMethod::AlwaysEnd) {
shader.AddLine(subroutine.GetName() + "();"); shader.AddLine("{}();", subroutine.GetName());
shader.AddLine("return true;"); shader.AddLine("return true;");
} else if (subroutine.exit_method == ExitMethod::Conditional) { } else if (subroutine.exit_method == ExitMethod::Conditional) {
shader.AddLine("if (" + subroutine.GetName() + "()) { return true; }"); shader.AddLine("if ({}()) {{ return true; }}", subroutine.GetName());
} else { } else {
shader.AddLine(subroutine.GetName() + "();"); shader.AddLine("{}();", subroutine.GetName());
} }
} }
@ -370,7 +384,7 @@ private:
* @param dest_num_components number of components of the destination register. * @param dest_num_components number of components of the destination register.
* @param value_num_components number of components of the value to assign. * @param value_num_components number of components of the value to assign.
*/ */
void SetDest(const SwizzlePattern& swizzle, const std::string& reg, const std::string& value, void SetDest(const SwizzlePattern& swizzle, std::string_view reg, std::string_view value,
u32 dest_num_components, u32 value_num_components) { u32 dest_num_components, u32 value_num_components) {
u32 dest_mask_num_components = 0; u32 dest_mask_num_components = 0;
std::string dest_mask_swizzle = "."; std::string dest_mask_swizzle = ".";
@ -387,18 +401,19 @@ private:
} }
DEBUG_ASSERT(value_num_components >= dest_num_components || value_num_components == 1); DEBUG_ASSERT(value_num_components >= dest_num_components || value_num_components == 1);
std::string dest = reg + (dest_num_components != 1 ? dest_mask_swizzle : ""); const std::string dest =
fmt::format("{}{}", reg, dest_num_components != 1 ? dest_mask_swizzle : "");
std::string src = value; std::string src{value};
if (value_num_components == 1) { if (value_num_components == 1) {
if (dest_mask_num_components != 1) { if (dest_mask_num_components != 1) {
src = "vec" + std::to_string(dest_mask_num_components) + "(" + value + ")"; src = fmt::format("vec{}({})", dest_mask_num_components, value);
} }
} else if (value_num_components != dest_mask_num_components) { } else if (value_num_components != dest_mask_num_components) {
src = "(" + value + ")" + dest_mask_swizzle; src = fmt::format("({}){}", value, dest_mask_swizzle);
} }
shader.AddLine(dest + " = " + src + ";"); shader.AddLine("{} = {};", dest, src);
} }
/** /**
@ -417,7 +432,7 @@ private:
: instr.common.operand_desc_id; : instr.common.operand_desc_id;
const SwizzlePattern swizzle = {swizzle_data[swizzle_offset]}; const SwizzlePattern swizzle = {swizzle_data[swizzle_offset]};
shader.AddLine("// " + std::to_string(offset) + ": " + instr.opcode.Value().GetInfo().name); shader.AddLine("// {}: {}", offset, instr.opcode.Value().GetInfo().name);
switch (instr.opcode.Value().GetInfo().type) { switch (instr.opcode.Value().GetInfo().type) {
case OpCode::Type::Arithmetic: { case OpCode::Type::Arithmetic: {
@ -438,31 +453,32 @@ private:
switch (instr.opcode.Value().EffectiveOpCode()) { switch (instr.opcode.Value().EffectiveOpCode()) {
case OpCode::Id::ADD: { case OpCode::Id::ADD: {
SetDest(swizzle, dest_reg, src1 + " + " + src2, 4, 4); SetDest(swizzle, dest_reg, fmt::format("{} + {}", src1, src2), 4, 4);
break; break;
} }
case OpCode::Id::MUL: { case OpCode::Id::MUL: {
if (sanitize_mul) { if (sanitize_mul) {
SetDest(swizzle, dest_reg, "sanitize_mul(" + src1 + ", " + src2 + ")", 4, 4); SetDest(swizzle, dest_reg, fmt::format("sanitize_mul({}, {})", src1, src2), 4,
4);
} else { } else {
SetDest(swizzle, dest_reg, src1 + " * " + src2, 4, 4); SetDest(swizzle, dest_reg, fmt::format("{} * {}", src1, src2), 4, 4);
} }
break; break;
} }
case OpCode::Id::FLR: { case OpCode::Id::FLR: {
SetDest(swizzle, dest_reg, "floor(" + src1 + ")", 4, 4); SetDest(swizzle, dest_reg, fmt::format("floor({})", src1), 4, 4);
break; break;
} }
case OpCode::Id::MAX: { case OpCode::Id::MAX: {
SetDest(swizzle, dest_reg, "max(" + src1 + ", " + src2 + ")", 4, 4); SetDest(swizzle, dest_reg, fmt::format("max({}, {})", src1, src2), 4, 4);
break; break;
} }
case OpCode::Id::MIN: { case OpCode::Id::MIN: {
SetDest(swizzle, dest_reg, "min(" + src1 + ", " + src2 + ")", 4, 4); SetDest(swizzle, dest_reg, fmt::format("min({}, {})", src1, src2), 4, 4);
break; break;
} }
@ -474,18 +490,20 @@ private:
std::string dot; std::string dot;
if (opcode == OpCode::Id::DP3) { if (opcode == OpCode::Id::DP3) {
if (sanitize_mul) { if (sanitize_mul) {
dot = "dot(vec3(sanitize_mul(" + src1 + ", " + src2 + ")), vec3(1.0))"; dot = fmt::format("dot(vec3(sanitize_mul({}, {})), vec3(1.0))", src1, src2);
} else { } else {
dot = "dot(vec3(" + src1 + "), vec3(" + src2 + "))"; dot = fmt::format("dot(vec3({}), vec3({}))", src1, src2);
} }
} else { } else {
std::string src1_ = (opcode == OpCode::Id::DPH || opcode == OpCode::Id::DPHI)
? "vec4(" + src1 + ".xyz, 1.0)"
: src1;
if (sanitize_mul) { if (sanitize_mul) {
dot = "dot(sanitize_mul(" + src1_ + ", " + src2 + "), vec4(1.0))"; const std::string src1_ =
(opcode == OpCode::Id::DPH || opcode == OpCode::Id::DPHI)
? fmt::format("vec4({}.xyz, 1.0)", src1)
: std::move(src1);
dot = fmt::format("dot(sanitize_mul({}, {}), vec4(1.0))", src1_, src2);
} else { } else {
dot = "dot(" + src1 + ", " + src2 + ")"; dot = fmt::format("dot({}, {})", src1, src2);
} }
} }
@ -494,17 +512,17 @@ private:
} }
case OpCode::Id::RCP: { case OpCode::Id::RCP: {
SetDest(swizzle, dest_reg, "(1.0 / " + src1 + ".x)", 4, 1); SetDest(swizzle, dest_reg, fmt::format("(1.0 / {}.x)", src1), 4, 1);
break; break;
} }
case OpCode::Id::RSQ: { case OpCode::Id::RSQ: {
SetDest(swizzle, dest_reg, "inversesqrt(" + src1 + ".x)", 4, 1); SetDest(swizzle, dest_reg, fmt::format("inversesqrt({}.x)", src1), 4, 1);
break; break;
} }
case OpCode::Id::MOVA: { case OpCode::Id::MOVA: {
SetDest(swizzle, "address_registers", "ivec2(" + src1 + ")", 2, 2); SetDest(swizzle, "address_registers", fmt::format("ivec2({})", src1), 2, 2);
break; break;
} }
@ -515,26 +533,27 @@ private:
case OpCode::Id::SGE: case OpCode::Id::SGE:
case OpCode::Id::SGEI: { case OpCode::Id::SGEI: {
SetDest(swizzle, dest_reg, "vec4(greaterThanEqual(" + src1 + "," + src2 + "))", 4, SetDest(swizzle, dest_reg,
4); fmt::format("vec4(greaterThanEqual({}, {}))", src1, src2), 4, 4);
break; break;
} }
case OpCode::Id::SLT: case OpCode::Id::SLT:
case OpCode::Id::SLTI: { case OpCode::Id::SLTI: {
SetDest(swizzle, dest_reg, "vec4(lessThan(" + src1 + "," + src2 + "))", 4, 4); SetDest(swizzle, dest_reg, fmt::format("vec4(lessThan({}, {}))", src1, src2), 4, 4);
break; break;
} }
case OpCode::Id::CMP: { case OpCode::Id::CMP: {
using CompareOp = Instruction::Common::CompareOpType::Op; using CompareOp = Instruction::Common::CompareOpType::Op;
const std::map<CompareOp, std::pair<std::string, std::string>> cmp_ops{ const std::map<CompareOp, std::pair<std::string_view, std::string_view>> cmp_ops{
{CompareOp::Equal, {"==", "equal"}}, {CompareOp::Equal, {"==", "equal"}},
{CompareOp::NotEqual, {"!=", "notEqual"}}, {CompareOp::NotEqual, {"!=", "notEqual"}},
{CompareOp::LessThan, {"<", "lessThan"}}, {CompareOp::LessThan, {"<", "lessThan"}},
{CompareOp::LessEqual, {"<=", "lessThanEqual"}}, {CompareOp::LessEqual, {"<=", "lessThanEqual"}},
{CompareOp::GreaterThan, {">", "greaterThan"}}, {CompareOp::GreaterThan, {">", "greaterThan"}},
{CompareOp::GreaterEqual, {">=", "greaterThanEqual"}}}; {CompareOp::GreaterEqual, {">=", "greaterThanEqual"}},
};
const CompareOp op_x = instr.common.compare_op.x.Value(); const CompareOp op_x = instr.common.compare_op.x.Value();
const CompareOp op_y = instr.common.compare_op.y.Value(); const CompareOp op_y = instr.common.compare_op.y.Value();
@ -544,24 +563,24 @@ private:
} else if (cmp_ops.find(op_y) == cmp_ops.end()) { } else if (cmp_ops.find(op_y) == cmp_ops.end()) {
LOG_ERROR(HW_GPU, "Unknown compare mode {:x}", static_cast<int>(op_y)); LOG_ERROR(HW_GPU, "Unknown compare mode {:x}", static_cast<int>(op_y));
} else if (op_x != op_y) { } else if (op_x != op_y) {
shader.AddLine("conditional_code.x = " + src1 + ".x " + shader.AddLine("conditional_code.x = {}.x {} {}.x;", src1,
cmp_ops.find(op_x)->second.first + " " + src2 + ".x;"); cmp_ops.find(op_x)->second.first, src2);
shader.AddLine("conditional_code.y = " + src1 + ".y " + shader.AddLine("conditional_code.y = {}.y {} {}.y;", src1,
cmp_ops.find(op_y)->second.first + " " + src2 + ".y;"); cmp_ops.find(op_y)->second.first, src2);
} else { } else {
shader.AddLine("conditional_code = " + cmp_ops.find(op_x)->second.second + shader.AddLine("conditional_code = {}(vec2({}), vec2({}));",
"(vec2(" + src1 + "), vec2(" + src2 + "));"); cmp_ops.find(op_x)->second.second, src1, src2);
} }
break; break;
} }
case OpCode::Id::EX2: { case OpCode::Id::EX2: {
SetDest(swizzle, dest_reg, "exp2(" + src1 + ".x)", 4, 1); SetDest(swizzle, dest_reg, fmt::format("exp2({}.x)", src1), 4, 1);
break; break;
} }
case OpCode::Id::LG2: { case OpCode::Id::LG2: {
SetDest(swizzle, dest_reg, "log2(" + src1 + ".x)", 4, 1); SetDest(swizzle, dest_reg, fmt::format("log2({}.x)", src1), 4, 1);
break; break;
} }
@ -604,10 +623,10 @@ private:
: ""; : "";
if (sanitize_mul) { if (sanitize_mul) {
SetDest(swizzle, dest_reg, "sanitize_mul(" + src1 + ", " + src2 + ") + " + src3, SetDest(swizzle, dest_reg,
4, 4); fmt::format("sanitize_mul({}, {}) + {}", src1, src2, src3), 4, 4);
} else { } else {
SetDest(swizzle, dest_reg, src1 + " * " + src2 + " + " + src3, 4, 4); SetDest(swizzle, dest_reg, fmt::format("{} * {} + {}", src1, src2, src3), 4, 4);
} }
} else { } else {
LOG_ERROR(HW_GPU, "Unhandled multiply-add instruction: 0x{:02x} ({}): 0x{:08x}", LOG_ERROR(HW_GPU, "Unhandled multiply-add instruction: 0x{:02x} ({}): 0x{:08x}",
@ -637,13 +656,13 @@ private:
GetUniformBool(instr.flow_control.bool_uniform_id); GetUniformBool(instr.flow_control.bool_uniform_id);
} }
shader.AddLine("if (" + condition + ") {"); shader.AddLine("if ({}) {{", condition);
++shader.scope; ++shader.scope;
shader.AddLine("{ jmp_to = " + std::to_string(instr.flow_control.dest_offset) + shader.AddLine("{{ jmp_to = {}u; break; }}",
"u; break; }"); instr.flow_control.dest_offset.Value());
--shader.scope; --shader.scope;
shader.AddLine("}"); shader.AddLine("}}");
break; break;
} }
@ -657,7 +676,11 @@ private:
condition = GetUniformBool(instr.flow_control.bool_uniform_id); condition = GetUniformBool(instr.flow_control.bool_uniform_id);
} }
shader.AddLine(condition.empty() ? "{" : "if (" + condition + ") {"); if (condition.empty()) {
shader.AddLine("{{");
} else {
shader.AddLine("if ({}) {{", condition);
}
++shader.scope; ++shader.scope;
auto& call_sub = GetSubroutine(instr.flow_control.dest_offset, auto& call_sub = GetSubroutine(instr.flow_control.dest_offset,
@ -671,7 +694,7 @@ private:
} }
--shader.scope; --shader.scope;
shader.AddLine("}"); shader.AddLine("}}");
break; break;
} }
@ -693,7 +716,7 @@ private:
const u32 endif_offset = const u32 endif_offset =
instr.flow_control.dest_offset + instr.flow_control.num_instructions; instr.flow_control.dest_offset + instr.flow_control.num_instructions;
shader.AddLine("if (" + condition + ") {"); shader.AddLine("if ({}) {{", condition);
++shader.scope; ++shader.scope;
auto& if_sub = GetSubroutine(if_offset, else_offset); auto& if_sub = GetSubroutine(if_offset, else_offset);
@ -702,7 +725,7 @@ private:
if (instr.flow_control.num_instructions != 0) { if (instr.flow_control.num_instructions != 0) {
--shader.scope; --shader.scope;
shader.AddLine("} else {"); shader.AddLine("}} else {{");
++shader.scope; ++shader.scope;
auto& else_sub = GetSubroutine(else_offset, endif_offset); auto& else_sub = GetSubroutine(else_offset, endif_offset);
@ -716,20 +739,20 @@ private:
} }
--shader.scope; --shader.scope;
shader.AddLine("}"); shader.AddLine("}}");
break; break;
} }
case OpCode::Id::LOOP: { case OpCode::Id::LOOP: {
std::string int_uniform = const std::string int_uniform =
"uniforms.i[" + std::to_string(instr.flow_control.int_uniform_id) + "]"; fmt::format("uniforms.i[{}]", instr.flow_control.int_uniform_id.Value());
shader.AddLine("address_registers.z = int(" + int_uniform + ".y);"); shader.AddLine("address_registers.z = int({}.y);", int_uniform);
std::string loop_var = "loop" + std::to_string(offset); const std::string loop_var = fmt::format("loop{}", offset);
shader.AddLine("for (uint " + loop_var + " = 0u; " + loop_var + shader.AddLine(
" <= " + int_uniform + ".x; address_registers.z += int(" + "for (uint {} = 0u; {} <= {}.x; address_registers.z += int({}.z), ++{}) {{",
int_uniform + ".z), ++" + loop_var + ") {"); loop_var, loop_var, int_uniform, int_uniform, loop_var);
++shader.scope; ++shader.scope;
auto& loop_sub = GetSubroutine(offset + 1, instr.flow_control.dest_offset + 1); auto& loop_sub = GetSubroutine(offset + 1, instr.flow_control.dest_offset + 1);
@ -737,7 +760,7 @@ private:
offset = instr.flow_control.dest_offset; offset = instr.flow_control.dest_offset;
--shader.scope; --shader.scope;
shader.AddLine("}"); shader.AddLine("}}");
if (loop_sub.exit_method == ExitMethod::AlwaysEnd) { if (loop_sub.exit_method == ExitMethod::AlwaysEnd) {
offset = PROGRAM_END - 1; offset = PROGRAM_END - 1;
@ -782,41 +805,41 @@ private:
void Generate() { void Generate() {
if (sanitize_mul) { if (sanitize_mul) {
shader.AddLine("vec4 sanitize_mul(vec4 lhs, vec4 rhs) {"); shader.AddLine("vec4 sanitize_mul(vec4 lhs, vec4 rhs) {{");
++shader.scope; ++shader.scope;
shader.AddLine("vec4 product = lhs * rhs;"); shader.AddLine("vec4 product = lhs * rhs;");
shader.AddLine("return mix(product, mix(mix(vec4(0.0), product, isnan(rhs)), product, " shader.AddLine("return mix(product, mix(mix(vec4(0.0), product, isnan(rhs)), product, "
"isnan(lhs)), isnan(product));"); "isnan(lhs)), isnan(product));");
--shader.scope; --shader.scope;
shader.AddLine("}\n"); shader.AddLine("}}\n");
} }
// Add declarations for registers // Add declarations for registers
shader.AddLine("bvec2 conditional_code = bvec2(false);"); shader.AddLine("bvec2 conditional_code = bvec2(false);");
shader.AddLine("ivec3 address_registers = ivec3(0);"); shader.AddLine("ivec3 address_registers = ivec3(0);");
for (int i = 0; i < 16; ++i) { for (int i = 0; i < 16; ++i) {
shader.AddLine("vec4 reg_tmp" + std::to_string(i) + " = vec4(0.0, 0.0, 0.0, 1.0);"); shader.AddLine("vec4 reg_tmp{} = vec4(0.0, 0.0, 0.0, 1.0);", i);
} }
shader.AddLine(""); shader.AddNewLine();
// Add declarations for all subroutines // Add declarations for all subroutines
for (const auto& subroutine : subroutines) { for (const auto& subroutine : subroutines) {
shader.AddLine("bool " + subroutine.GetName() + "();"); shader.AddLine("bool {}();", subroutine.GetName());
} }
shader.AddLine(""); shader.AddNewLine();
// Add the main entry point // Add the main entry point
shader.AddLine("bool exec_shader() {"); shader.AddLine("bool exec_shader() {{");
++shader.scope; ++shader.scope;
CallSubroutine(GetSubroutine(main_offset, PROGRAM_END)); CallSubroutine(GetSubroutine(main_offset, PROGRAM_END));
--shader.scope; --shader.scope;
shader.AddLine("}\n"); shader.AddLine("}}\n");
// Add definitions for all subroutines // Add definitions for all subroutines
for (const auto& subroutine : subroutines) { for (const auto& subroutine : subroutines) {
std::set<u32> labels = subroutine.labels; std::set<u32> labels = subroutine.labels;
shader.AddLine("bool " + subroutine.GetName() + "() {"); shader.AddLine("bool {}() {{", subroutine.GetName());
++shader.scope; ++shader.scope;
if (labels.empty()) { if (labels.empty()) {
@ -825,14 +848,14 @@ private:
} }
} else { } else {
labels.insert(subroutine.begin); labels.insert(subroutine.begin);
shader.AddLine("uint jmp_to = " + std::to_string(subroutine.begin) + "u;"); shader.AddLine("uint jmp_to = {}u;", subroutine.begin);
shader.AddLine("while (true) {"); shader.AddLine("while (true) {{");
++shader.scope; ++shader.scope;
shader.AddLine("switch (jmp_to) {"); shader.AddLine("switch (jmp_to) {{");
for (auto label : labels) { for (auto label : labels) {
shader.AddLine("case " + std::to_string(label) + "u: {"); shader.AddLine("case {}u: {{", label);
++shader.scope; ++shader.scope;
auto next_it = labels.lower_bound(label + 1); auto next_it = labels.lower_bound(label + 1);
@ -841,25 +864,25 @@ private:
u32 compile_end = CompileRange(label, next_label); u32 compile_end = CompileRange(label, next_label);
if (compile_end > next_label && compile_end != PROGRAM_END) { if (compile_end > next_label && compile_end != PROGRAM_END) {
// This happens only when there is a label inside a IF/LOOP block // This happens only when there is a label inside a IF/LOOP block
shader.AddLine("{ jmp_to = " + std::to_string(compile_end) + "u; break; }"); shader.AddLine("{{ jmp_to = {}u; break; }}", compile_end);
labels.emplace(compile_end); labels.emplace(compile_end);
} }
--shader.scope; --shader.scope;
shader.AddLine("}"); shader.AddLine("}}");
} }
shader.AddLine("default: return false;"); shader.AddLine("default: return false;");
shader.AddLine("}"); shader.AddLine("}}");
--shader.scope; --shader.scope;
shader.AddLine("}"); shader.AddLine("}}");
shader.AddLine("return false;"); shader.AddLine("return false;");
} }
--shader.scope; --shader.scope;
shader.AddLine("}\n"); shader.AddLine("}}\n");
DEBUG_ASSERT(shader.scope == 0); DEBUG_ASSERT(shader.scope == 0);
} }