From 6573c87b8d93dd6bfb16bf8af09d90ae1e256570 Mon Sep 17 00:00:00 2001
From: Ben Vanik <ben.vanik@gmail.com>
Date: Fri, 26 Dec 2014 23:57:47 -0800
Subject: [PATCH] --dump_shaders

---
 src/xenia/gpu/gl4/gl4_shader.cc | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/xenia/gpu/gl4/gl4_shader.cc b/src/xenia/gpu/gl4/gl4_shader.cc
index 251e9f197..d987f4a06 100644
--- a/src/xenia/gpu/gl4/gl4_shader.cc
+++ b/src/xenia/gpu/gl4/gl4_shader.cc
@@ -9,6 +9,7 @@
 
 #include <xenia/gpu/gl4/gl4_shader.h>
 
+#include <poly/math.h>
 #include <xenia/gpu/gpu-private.h>
 
 namespace xe {
@@ -146,6 +147,22 @@ bool GL4Shader::CompileProgram(std::string source) {
   translated_disassembly_ = std::move(source);
   const char* source_str = translated_disassembly_.c_str();
 
+  // Save to disk, if we asked for it.
+  if (FLAGS_dump_shaders.size()) {
+    auto base_path = FLAGS_dump_shaders.c_str();
+    char file_name[poly::max_path];
+    snprintf(file_name, poly::countof(file_name), "%s/gl4_gen_%.16llX.%s",
+             base_path, data_hash_,
+             shader_type_ == ShaderType::kVertex ? "vert" : "frag");
+    FILE* f = fopen(file_name, "w");
+    fprintf(f, translated_disassembly_.c_str());
+    fprintf(f, "\n\n");
+    fprintf(f, "/*\n");
+    fprintf(f, ucode_disassembly_.c_str());
+    fprintf(f, " */\n");
+    fclose(f);
+  }
+
   program_ = glCreateShaderProgramv(shader_type_ == ShaderType::kVertex
                                         ? GL_VERTEX_SHADER
                                         : GL_FRAGMENT_SHADER,