textures almost work?

src/game/Global.h

@@ -2,26 +2,48 @@
 
 #include "bx/math.h"
 
+struct Vec2
+{
+    float x = 0.0f;
+    float y = 0.0f;
+};
+
+struct Vec3
+{
+    float x = 0.0f;
+    float y = 0.0f;
+    float z = 0.0f;
+};
+
+struct Vec4
+{
+    float x = 0.0f;
+    float y = 0.0f;
+    float z = 0.0f;
+    float w = 0.0f;
+};
+
+struct Mat3
+{
+    // clang-format off
+    float M[9]{
+        1.0f, 0.0f, 0.0f,
+        0.0f, 1.0f, 0.0f,
+        0.0f, 0.0f, 1.0f,
+    };
+    // clang-format on
+};
+
 struct Mat4
 {
+    // clang-format off
     float M[16]{
-        1.0,
-        0.0,
-        0.0,
-        0.0,
-        0.0,
-        1.0,
-        0.0,
-        0.0,
-        0.0,
-        0.0,
-        1.0,
-        0.0,
-        0.0,
-        0.0,
-        0.0,
-        1.0,
+        1.0, 0.0, 0.0, 0.0,
+        0.0, 1.0, 0.0, 0.0,
+        0.0, 0.0, 1.0, 0.0,
+        0.0, 0.0, 0.0, 1.0,
     };
+    // clang-format on
 };
 
 struct Transform
@@ -54,4 +76,5 @@ namespace Game
     void SetShared(SharedData& instance);
     GameInstance& GetInstance();
     void SetInstance(GameInstance& instance);
+    void* AllocateScratch(size_t byteCount);
 } // namespace Game