From 2d48a7b4d0666ad16d03a22d85712617a0849046 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sat, 9 Jan 2021 03:30:07 -0300
Subject: shader: Initial recompiler work
---
src/shader_recompiler/frontend/maxwell/program.cpp | 69 ++++++++++++++++++++++
1 file changed, 69 insertions(+)
create mode 100644 src/shader_recompiler/frontend/maxwell/program.cpp
(limited to 'src/shader_recompiler/frontend/maxwell/program.cpp')
diff --git a/src/shader_recompiler/frontend/maxwell/program.cpp b/src/shader_recompiler/frontend/maxwell/program.cpp
new file mode 100644
index 0000000000..67a98ba57a
--- /dev/null
+++ b/src/shader_recompiler/frontend/maxwell/program.cpp
@@ -0,0 +1,69 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <memory>
+
+#include "shader_recompiler/frontend/maxwell/program.h"
+#include "shader_recompiler/frontend/maxwell/termination_code.h"
+#include "shader_recompiler/frontend/maxwell/translate/translate.h"
+
+namespace Shader::Maxwell {
+
+Program::Function::~Function() {
+ std::ranges::for_each(blocks, &std::destroy_at<IR::Block>);
+}
+
+Program::Program(Environment& env, const Flow::CFG& cfg) {
+ std::vector<IR::Block*> block_map;
+ functions.reserve(cfg.Functions().size());
+
+ for (const Flow::Function& cfg_function : cfg.Functions()) {
+ Function& function{functions.emplace_back()};
+
+ const size_t num_blocks{cfg_function.blocks.size()};
+ IR::Block* block_memory{block_alloc_pool.allocate(num_blocks)};
+ function.blocks.reserve(num_blocks);
+
+ block_map.resize(cfg_function.blocks_data.size());
+
+ // Visit the instructions of all blocks
+ for (const Flow::BlockId block_id : cfg_function.blocks) {
+ const Flow::Block& flow_block{cfg_function.blocks_data[block_id]};
+
+ IR::Block* const block{std::construct_at(block_memory, Translate(env, flow_block))};
+ ++block_memory;
+ function.blocks.push_back(block);
+ block_map[flow_block.id] = block;
+ }
+ // Now that all blocks are defined, emit the termination instructions
+ for (const Flow::BlockId block_id : cfg_function.blocks) {
+ const Flow::Block& flow_block{cfg_function.blocks_data[block_id]};
+ EmitTerminationCode(flow_block, block_map);
+ }
+ }
+}
+
+std::string DumpProgram(const Program& program) {
+ size_t index{0};
+ std::map<const IR::Inst*, size_t> inst_to_index;
+ std::map<const IR::Block*, size_t> block_to_index;
+
+ for (const Program::Function& function : program.functions) {
+ for (const IR::Block* const block : function.blocks) {
+ block_to_index.emplace(block, index);
+ ++index;
+ }
+ }
+ std::string ret;
+ for (const Program::Function& function : program.functions) {
+ ret += fmt::format("Function\n");
+ for (const IR::Block* const block : function.blocks) {
+ ret += IR::DumpBlock(*block, block_to_index, inst_to_index, index) + '\n';
+ }
+ }
+ return ret;
+}
+
+} // namespace Shader::Maxwell
--
cgit v1.2.3-70-g09d2