a

3 files changed, 49 insertions, 0 deletions

diff --git a/main/app.hpp b/main/app.hpp
index c1b45af9..6f7e518c 100644
--- a/main/app.hpp
+++ b/main/app.hpp
@@ -9,6 +9,7 @@
 #include "compat/enum-bitset.hpp"
 #include <Magnum/Timeline.h>
 #include <Magnum/Platform/Sdl2Application.h>
+#include <Magnum/GL/DebugOutput.h>
 #include <memory>
 
 namespace Magnum::Examples {
@@ -28,8 +29,12 @@ struct app final : Platform::Application
     void keyReleaseEvent(KeyEvent& event) override;
     void do_key(KeyEvent::Key k, KeyEvent::Modifiers m, bool pressed, bool repeated);
     void draw_chunk(chunk& c);
+    void draw_wireframe();
     void update_window_scale(Vector2i window_size);
     void viewportEvent(ViewportEvent& event) override;
+    void debug_callback(GL::DebugOutput::Source src, GL::DebugOutput::Type type, UnsignedInt id,
+                        GL::DebugOutput::Severity severity, const std::string& str) const;
+    void register_debug_callback();
 
     enum class key : int {
         camera_up, camera_left, camera_right, camera_down, camera_reset,
@@ -38,6 +43,7 @@ struct app final : Platform::Application
     };
     chunk make_test_chunk();
 
+    const void* const _dummy = (register_debug_callback(), nullptr);
     tile_shader _shader;
     tile_atlas_ floor1 = loader.tile_atlas("share/game/images/metal1.tga", {2, 2});
     tile_atlas_ floor2 = loader.tile_atlas("share/game/images/floor1.tga", {4, 4});
diff --git a/main/debug.cpp b/main/debug.cpp
new file mode 100644
index 00000000..7e7e3abf
--- /dev/null
+++ b/main/debug.cpp
@@ -0,0 +1,35 @@
+#include "app.hpp"
+#include <Magnum/GL/Renderer.h>
+
+namespace Magnum::Examples {
+
+using Feature = GL::Renderer::Feature;
+using Severity = GL::DebugOutput::Severity;
+using Type = GL::DebugOutput::Type;
+using GL::Renderer;
+using GL::DebugOutput;
+
+void app::debug_callback(GL::DebugOutput::Source src, GL::DebugOutput::Type type, UnsignedInt id,
+                         GL::DebugOutput::Severity severity, const std::string& str) const
+{
+    std::fputs(str.c_str(), stdout);
+    std::fputc('\n', stdout);
+    std::fflush(stdout);
+    std::puts(""); // put breakpoint here
+}
+
+static void _debug_callback(GL::DebugOutput::Source src, GL::DebugOutput::Type type, UnsignedInt id,
+                            GL::DebugOutput::Severity severity, const std::string& str, const void* self)
+{
+    static_cast<const app*>(self)->debug_callback(src, type, id, severity, str);
+}
+
+void app::register_debug_callback()
+{
+    GL::Renderer::setFeature(Feature::DebugOutput, true);
+    GL::Renderer::setFeature(Feature::DebugOutputSynchronous, true);
+    GL::DebugOutput::setCallback(_debug_callback, this);
+    GL::DebugOutput::setEnabled(Severity::High, true);
+}
+
+} // namespace Magnum::Examples
diff --git a/main/main.cpp b/main/main.cpp
index 2545865f..04ede3a9 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -39,6 +39,7 @@ void app::drawEvent() {
     }
 
     draw_chunk(_chunk);
+    draw_wireframe();
 
     swapBuffers();
     redraw();
@@ -47,10 +48,17 @@ void app::drawEvent() {
 
 void app::draw_chunk(chunk& c)
 {
+    _shader.set_tint({1, 1, 1, 1});
     _floor_mesh.draw(_shader, c);
     _wall_mesh.draw(_shader, c);
 }
 
+void app::draw_wireframe()
+{
+    _shader.set_tint({1.f, 0, 0, 1.f});
+    _wireframe_quad.draw(_shader, {{}, {TILE_SIZE[0], TILE_SIZE[1]}});
+}
+
 } // namespace Magnum::Examples
 
 MAGNUM_APPLICATION_MAIN(Magnum::Examples::app)