Move out OpengGLRenderer.

5 files changed, 65 insertions, 25 deletions

diff --git a/include/cru/platform/gui/sdl/OpenGLRenderer.h b/include/cru/platform/gui/sdl/OpenGLRenderer.h
new file mode 100644
index 00000000..2db9d68d
--- /dev/null
+++ b/include/cru/platform/gui/sdl/OpenGLRenderer.h
@@ -0,0 +1,25 @@
+#pragma once
+
+#include "gl.h"
+
+#include <cru/base/Base.h>
+
+#include <SDL3/SDL_video.h>
+
+namespace cru::platform::gui::sdl {
+class SdlWindow;
+
+class SdlOpenGLRenderer {
+  CRU_DEFINE_CLASS_LOG_TAG("cru::platform::gui::sdl::SdlOpenGLRenderer")
+ public:
+  explicit SdlOpenGLRenderer(SdlWindow* window);
+  ~SdlOpenGLRenderer();
+
+ private:
+  SdlWindow* window_;
+  SDL_Window* sdl_window_;
+  SDL_WindowID sdl_window_id_;
+  SDL_GLContext sdl_gl_context_;
+  GladGLContext glad_gl_context_;
+};
+}  // namespace cru::platform::gui::sdl
diff --git a/include/cru/platform/gui/sdl/Window.h b/include/cru/platform/gui/sdl/Window.h
index 080575f3..28837c71 100644
--- a/include/cru/platform/gui/sdl/Window.h
+++ b/include/cru/platform/gui/sdl/Window.h
@@ -8,7 +8,7 @@
 #include <SDL3/SDL_video.h>
 
 #ifdef __unix
-#include "gl.h"
+#include "OpenGLRenderer.h"
 #endif
 
 namespace cru::platform::gui::sdl {
@@ -118,8 +118,7 @@ class SdlWindow : public SdlResource, public virtual INativeWindow {
   void UnixOnDestroyWindow();
 
  private:
-  SDL_GLContext sdl_gl_context_;
-  std::unique_ptr<GladGLContext> glad_gl_context_;
+  std::unique_ptr<SdlOpenGLRenderer> renderer_;
 #endif
 };
 }  // namespace cru::platform::gui::sdl
diff --git a/src/platform/gui/sdl/CMakeLists.txt b/src/platform/gui/sdl/CMakeLists.txt
index bd8e2e70..f4de57c3 100644
--- a/src/platform/gui/sdl/CMakeLists.txt
+++ b/src/platform/gui/sdl/CMakeLists.txt
@@ -13,5 +13,8 @@ target_link_libraries(CruPlatformGuiSdl PUBLIC
 )
 
 if(UNIX AND NOT APPLE)
-	target_sources(CruPlatformGuiSdl PRIVATE gl.c)
+	target_sources(CruPlatformGuiSdl PRIVATE
+		gl.c
+		OpenGLRenderer.cpp
+	)
 endif()
diff --git a/src/platform/gui/sdl/OpenGLRenderer.cpp b/src/platform/gui/sdl/OpenGLRenderer.cpp
new file mode 100644
index 00000000..7f732cb3
--- /dev/null
+++ b/src/platform/gui/sdl/OpenGLRenderer.cpp
@@ -0,0 +1,31 @@
+#include "cru/platform/gui/sdl/OpenGLRenderer.h"
+#include "cru/base/log/Logger.h"
+#include "cru/platform/gui/sdl/Window.h"
+
+namespace cru::platform::gui::sdl {
+SdlOpenGLRenderer::SdlOpenGLRenderer(SdlWindow* window) {
+  assert(window);
+  assert(window->GetSdlWindow());
+
+  window_ = window;
+  sdl_window_ = window->GetSdlWindow();
+  sdl_window_id_ = window->GetSdlWindowId();
+
+  sdl_gl_context_ = SDL_GL_CreateContext(sdl_window_);
+
+  if (!sdl_gl_context_) {
+    throw SdlException("Failed to create sdl gl context.");
+  }
+
+  CheckSdlReturn(SDL_GL_MakeCurrent(sdl_window_, sdl_gl_context_));
+
+  auto version = gladLoadGLContext(&glad_gl_context_, SDL_GL_GetProcAddress);
+  CRU_LOG_TAG_DEBUG("SDL window id {}, openGL version: {}.", sdl_window_id_,
+                    version);
+}
+
+SdlOpenGLRenderer::~SdlOpenGLRenderer() {
+  CheckSdlReturn(SDL_GL_DestroyContext(sdl_gl_context_));
+}
+
+}  // namespace cru::platform::gui::sdl
diff --git a/src/platform/gui/sdl/Window.cpp b/src/platform/gui/sdl/Window.cpp
index 9bb94398..c3772fbe 100644
--- a/src/platform/gui/sdl/Window.cpp
+++ b/src/platform/gui/sdl/Window.cpp
@@ -1,6 +1,5 @@
 #include "cru/platform/gui/sdl/Window.h"
 #include "cru/base/Base.h"
-#include "cru/base/log/Logger.h"
 #include "cru/platform/Base.h"
 #include "cru/platform/GraphicsBase.h"
 #include "cru/platform/graphics/NullPainter.h"
@@ -10,6 +9,7 @@
 #include "cru/platform/gui/sdl/Cursor.h"
 #include "cru/platform/gui/sdl/Input.h"
 #include "cru/platform/gui/sdl/InputMethod.h"
+#include "cru/platform/gui/sdl/OpenGLRenderer.h"
 #include "cru/platform/gui/sdl/UiApplication.h"
 
 #include <SDL3/SDL_events.h>
@@ -419,28 +419,10 @@ bool SdlWindow::HandleEvent(const SDL_Event* event) {
 #ifdef __unix
 void SdlWindow::UnixOnCreateWindow() {
   assert(sdl_window_);
-  sdl_gl_context_ = SDL_GL_CreateContext(sdl_window_);
-
-  if (!sdl_gl_context_) {
-    throw SdlException("Failed to create sdl gl context.");
-  }
-
-  CheckSdlReturn(SDL_GL_MakeCurrent(sdl_window_, sdl_gl_context_));
-
-  glad_gl_context_ = std::make_unique<GladGLContext>();
-  auto version =
-      gladLoadGLContext(glad_gl_context_.get(), SDL_GL_GetProcAddress);
-  CRU_LOG_TAG_DEBUG("SDL window id {}, openGL version: {}.", sdl_window_id_,
-                    version);
+  renderer_ = std::make_unique<SdlOpenGLRenderer>(this);
 }
 
-void SdlWindow::UnixOnDestroyWindow() {
-  assert(sdl_window_);
-  assert(sdl_gl_context_);
-  assert(glad_gl_context_);
-  CheckSdlReturn(SDL_GL_DestroyContext(sdl_gl_context_));
-  glad_gl_context_ = nullptr;
-}
+void SdlWindow::UnixOnDestroyWindow() { renderer_ = nullptr; }
 #endif
 
 }  // namespace cru::platform::gui::sdl