Route GL runtime info through renderer GL

src/renderer_gl/opengl_capabilities.cpp

@@ -245,6 +245,22 @@ pp::foundation::Status apply_panopainter_initial_state(OpenGlStateDispatch dispa
     return pp::foundation::Status::success();
 }
 
+pp::foundation::Result<OpenGlRuntimeInfo> query_opengl_runtime_info(
+    OpenGlRuntimeInfoDispatch dispatch) noexcept
+{
+    if (dispatch.get_string == nullptr) {
+        return pp::foundation::Result<OpenGlRuntimeInfo>::failure(
+            pp::foundation::Status::invalid_argument("OpenGL runtime info string callback must not be null"));
+    }
+
+    return pp::foundation::Result<OpenGlRuntimeInfo>::success(OpenGlRuntimeInfo {
+        .version = dispatch.get_string(version_string_name()),
+        .vendor = dispatch.get_string(vendor_string_name()),
+        .renderer = dispatch.get_string(renderer_string_name()),
+        .shading_language_version = dispatch.get_string(shading_language_version_string_name()),
+    });
+}
+
 std::uint32_t extension_count_query() noexcept
 {
     return gl_num_extensions;

src/renderer_gl/opengl_capabilities.h

@@ -135,6 +135,19 @@ struct OpenGlStateDispatch {
     OpenGlBlendEquationSeparateFn blend_equation_separate = nullptr;
 };
 
+struct OpenGlRuntimeInfo {
+    const char* version = "";
+    const char* vendor = "";
+    const char* renderer = "";
+    const char* shading_language_version = "";
+};
+
+using OpenGlStringQueryFn = const char* (*)(std::uint32_t name) noexcept;
+
+struct OpenGlRuntimeInfoDispatch {
+    OpenGlStringQueryFn get_string = nullptr;
+};
+
 [[nodiscard]] OpenGlCapabilities detect_opengl_capabilities(
     std::span<const std::string_view> extensions,
     OpenGlRuntime runtime) noexcept;
@@ -142,6 +155,8 @@ struct OpenGlStateDispatch {
     OpenGlCapabilities capabilities) noexcept;
 [[nodiscard]] OpenGlInitialState panopainter_initial_state() noexcept;
 [[nodiscard]] pp::foundation::Status apply_panopainter_initial_state(OpenGlStateDispatch dispatch) noexcept;
+[[nodiscard]] pp::foundation::Result<OpenGlRuntimeInfo> query_opengl_runtime_info(
+    OpenGlRuntimeInfoDispatch dispatch) noexcept;
 
 [[nodiscard]] std::uint32_t extension_count_query() noexcept;
 [[nodiscard]] std::uint32_t extension_string_name() noexcept;