From 1213f32d0e6beab4247d91a653a0615b21edb679 Mon Sep 17 00:00:00 2001
From: Luke Street <luke.street@encounterpc.com>
Date: Wed, 27 Jul 2022 15:15:23 -0400
Subject: [PATCH] Update submodules; add (very) simple example

---
 CMakeLists.txt                  |  5 +-
 examples/CMakeLists.txt         |  2 +
 examples/simple.c               | 89 +++++++++++++++++++++++++++++++++
 extern/fmt                      |  2 +-
 extern/imgui                    |  2 +-
 include/dolphin/gx/GXGeometry.h |  1 +
 lib/dolphin/GXGeometry.cpp      |  4 +-
 7 files changed, 101 insertions(+), 4 deletions(-)
 create mode 100644 examples/CMakeLists.txt
 create mode 100644 examples/simple.c

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4cc5577..a03f228 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -79,8 +79,11 @@ if (DAWN_ENABLE_NULL)
   target_sources(aurora PRIVATE lib/dawn/NullBinding.cpp)
 endif ()
 
-# Optional
 add_library(aurora_main STATIC lib/main.cpp)
 target_include_directories(aurora_main PUBLIC include)
 target_link_libraries(aurora_main PUBLIC SDL2::SDL2main)
 add_library(aurora::main ALIAS aurora_main)
+
+if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+  add_subdirectory(examples)
+endif ()
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
new file mode 100644
index 0000000..e7315dc
--- /dev/null
+++ b/examples/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_executable(simple simple.c)
+target_link_libraries(simple PRIVATE aurora::aurora aurora::main)
diff --git a/examples/simple.c b/examples/simple.c
new file mode 100644
index 0000000..4a1fd11
--- /dev/null
+++ b/examples/simple.c
@@ -0,0 +1,89 @@
+#include <aurora/aurora.h>
+#include <aurora/event.h>
+#include <aurora/main.h>
+#include <dolphin/gx.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+static void log_callback(AuroraLogLevel level, const char* message, unsigned int len) {
+  const char* levelStr;
+  FILE* out = stdout;
+  switch (level) {
+  case LOG_DEBUG:
+    levelStr = "DEBUG";
+    break;
+  case LOG_INFO:
+    levelStr = "INFO";
+    break;
+  case LOG_WARNING:
+    levelStr = "WARNING";
+    break;
+  case LOG_ERROR:
+    levelStr = "ERROR";
+    out = stderr;
+    break;
+  case LOG_FATAL:
+    levelStr = "FATAL";
+    out = stderr;
+    break;
+  }
+  fprintf(out, "[%s: %s]\n", levelStr, message);
+  if (level == LOG_FATAL) {
+    fflush(out);
+    abort();
+  }
+}
+
+static void draw() {
+  GXSetCopyClear(
+      (GXColor){
+          .r = 0,
+          .g = 0,
+          .b = 100,
+          .a = 255,
+      },
+      GX_MAX_Z24);
+}
+
+int main(int argc, char* argv[]) {
+  const AuroraConfig config = {
+      .appName = "Demo",
+      .logCallback = &log_callback,
+  };
+  AuroraInfo initInfo = aurora_initialize(argc, argv, &config);
+
+  bool exiting = false;
+  bool paused = false;
+  while (!exiting) {
+    const AuroraEvent* event = aurora_update();
+    while (event != NULL && event->type != AURORA_NONE) {
+      switch (event->type) {
+      case AURORA_EXIT:
+        exiting = true;
+        break;
+      case AURORA_PAUSED:
+        paused = true;
+        break;
+      case AURORA_UNPAUSED:
+        paused = false;
+        break;
+      case AURORA_WINDOW_RESIZED:
+        initInfo.windowSize = event->windowSize;
+        break;
+      default:
+        break;
+      }
+      ++event;
+    }
+    if (exiting || paused || !aurora_begin_frame()) {
+      continue;
+    }
+    draw();
+    aurora_end_frame();
+  }
+
+  aurora_shutdown();
+  return 0;
+}
diff --git a/extern/fmt b/extern/fmt
index 81f1cc7..c4ee726 160000
--- a/extern/fmt
+++ b/extern/fmt
@@ -1 +1 @@
-Subproject commit 81f1cc74a776581cdef8659d176049d3aeb743c6
+Subproject commit c4ee726532178e556d923372f29163bd206d7732
diff --git a/extern/imgui b/extern/imgui
index e99c4fc..9aae45e 160000
--- a/extern/imgui
+++ b/extern/imgui
@@ -1 +1 @@
-Subproject commit e99c4fc6688e218a0e5da50f56638aebab45da9b
+Subproject commit 9aae45eb4a05a5a1f96be1ef37eb503a12ceb889
diff --git a/include/dolphin/gx/GXGeometry.h b/include/dolphin/gx/GXGeometry.h
index 27de27a..d9da66c 100644
--- a/include/dolphin/gx/GXGeometry.h
+++ b/include/dolphin/gx/GXGeometry.h
@@ -23,6 +23,7 @@ void GXSetArray(GXAttr attr, const void* data, u32 size, u8 stride);
 #else
 void GXSetArray(GXAttr attr, const void* data, u8 stride);
 #endif
+void GXInvalidateVtxCache(void);
 
 static inline void GXSetTexCoordGen(GXTexCoordID dst_coord, GXTexGenType func, GXTexGenSrc src_param, u32 mtx) {
   GXSetTexCoordGen2(dst_coord, func, src_param, mtx, GX_FALSE, GX_PTIDENTITY);
diff --git a/lib/dolphin/GXGeometry.cpp b/lib/dolphin/GXGeometry.cpp
index f01b1e0..d8714e4 100644
--- a/lib/dolphin/GXGeometry.cpp
+++ b/lib/dolphin/GXGeometry.cpp
@@ -52,7 +52,9 @@ void GXSetTexCoordGen2(GXTexCoordID dst, GXTexGenType type, GXTexGenSrc src, u32
 
 void GXSetNumTexGens(u8 num) { update_gx_state(g_gxState.numTexGens, num); }
 
-// TODO GXInvalidateVtxCache
+void GXInvalidateVtxCache() {
+  // TODO
+}
 
 void GXSetLineWidth(u8 width, GXTexOffset offs) {
   // TODO