Plan renderer diagnostics in app status

src/app_core/app_status.h

@@ -33,6 +33,23 @@ struct RecordingFrameLabel {
     std::string text;
 };
 
+struct RendererDiagnosticsInput {
+    bool framebuffer_fetch = false;
+    bool float32_render_targets = false;
+    bool float32_linear_filtering = false;
+    bool float16_render_targets = false;
+};
+
+struct RendererDiagnosticIndicator {
+    bool supported = false;
+    std::string_view label;
+};
+
+struct RendererDiagnosticsPlan {
+    RendererDiagnosticIndicator framebuffer_fetch;
+    RendererDiagnosticIndicator floating_point_targets;
+};
+
 [[nodiscard]] inline pp::foundation::Result<int> display_resolution_from_index(int index)
 {
     if (index < 0 || static_cast<std::size_t>(index) >= document_resolution_values.size()) {
@@ -116,4 +133,38 @@ struct RecordingFrameLabel {
     };
 }
 
+[[nodiscard]] inline RendererDiagnosticsPlan plan_renderer_diagnostics(
+    RendererDiagnosticsInput input) noexcept
+{
+    RendererDiagnosticsPlan plan;
+    plan.framebuffer_fetch = {
+        input.framebuffer_fetch,
+        "FBF",
+    };
+
+    if (input.float32_linear_filtering) {
+        plan.floating_point_targets = {
+            true,
+            "F32L",
+        };
+    } else if (input.float32_render_targets) {
+        plan.floating_point_targets = {
+            true,
+            "F32",
+        };
+    } else if (input.float16_render_targets) {
+        plan.floating_point_targets = {
+            true,
+            "F16",
+        };
+    } else {
+        plan.floating_point_targets = {
+            false,
+            "",
+        };
+    }
+
+    return plan;
+}
+
 }