Remove d3d12 renderer and replace with vulkan

src/renderer/renderer.h

@@ -2,15 +2,19 @@
 
 #include "base/base_core.h"
 
-struct Renderer;
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct Renderer Renderer;
 struct Clay_RenderCommandArray;
 
-struct RendererDesc {
-    void    *window_handle = nullptr;
-    S32  width         = 1280;
-    S32  height        = 720;
-    S32  frame_count   = 2;
-};
+typedef struct RendererDesc {
+    void    *window_handle;
+    S32      width;
+    S32      height;
+    S32      frame_count;
+} RendererDesc;
 
 Renderer *renderer_create(RendererDesc *desc);
 
@@ -31,8 +35,11 @@ void      renderer_set_clear_color(Renderer *renderer, F32 r, F32 g, F32 b);
 // Text measurement callback compatible with UI_MeasureTextFn
 // Measures text of given length (NOT necessarily null-terminated) at font_size pixels.
 // user_data should be the Renderer pointer.
-struct Vec2F32;
 Vec2F32 renderer_measure_text(const char *text, S32 length, F32 font_size, void *user_data);
 
 // Upload an RGBA8 icon atlas texture for icon rendering (4 bytes per pixel)
 void renderer_create_icon_atlas(Renderer *renderer, const U8 *data, S32 w, S32 h);
+
+#ifdef __cplusplus
+}
+#endif