[OpenGL] Use MESA_query_renderer if avail; GL "WSI" enum

src/gl/gl_hud.cpp

@@ -16,6 +16,11 @@
 #include <glad/glad.h>
 
 
+#define GLX_RENDERER_VENDOR_ID_MESA                      0x8183
+#define GLX_RENDERER_DEVICE_ID_MESA                      0x8184
+
+bool glx_mesa_queryInteger(int attrib, unsigned int *value);
+
 namespace MangoHud { namespace GL {
 
 struct GLVec
@@ -93,7 +98,7 @@ void imgui_init()
 }
 
 //static
-void imgui_create(void *ctx)
+void imgui_create(void *ctx, const gl_wsi plat)
 {
     if (inited)
         return;
@@ -134,7 +139,13 @@ void imgui_create(void *ctx)
     }
     if (deviceName.find("zink") != std::string::npos)
         sw_stats.engine = EngineTypes::ZINK;
-    init_gpu_stats(vendorID, 0, params);
+
+    uint32_t device_id = 0;
+    if (plat == gl_wsi::GL_WSI_GLX)
+        glx_mesa_queryInteger(GLX_RENDERER_DEVICE_ID_MESA, &device_id);
+
+    SPDLOG_DEBUG("GL device id: {:04X}", device_id);
+    init_gpu_stats(vendorID, device_id, params);
     sw_stats.gpuName = gpu = get_device_name(vendorID, deviceID);
     SPDLOG_DEBUG("gpu: {}", gpu);
     // Setup Dear ImGui context
@@ -176,11 +187,11 @@ void imgui_shutdown()
     inited = false;
 }
 
-void imgui_set_context(void *ctx)
+void imgui_set_context(void *ctx, const gl_wsi plat)
 {
     if (!ctx)
         return;
-    imgui_create(ctx);
+    imgui_create(ctx, plat);
 }
 
 void imgui_render(unsigned int width, unsigned int height)

src/gl/gl_hud.h

@@ -7,11 +7,18 @@
 
 namespace MangoHud { namespace GL {
 
+enum gl_wsi
+{
+    GL_WSI_UNKNOWN,
+    GL_WSI_GLX,
+    GL_WSI_EGL,
+};
+
 extern overlay_params params;
 void imgui_init();
-void imgui_create(void *ctx);
+void imgui_create(void *ctx, const gl_wsi plat);
 void imgui_shutdown();
-void imgui_set_context(void *ctx);
+void imgui_set_context(void *ctx, const gl_wsi plat);
 void imgui_render(unsigned int width, unsigned int height);
 
 }} // namespace

src/gl/inject_egl.cpp

@@ -53,7 +53,7 @@ EXPORT_C_(unsigned int) eglSwapBuffers( void* dpy, void* surf)
         if (!pfn_eglQuerySurface)
             pfn_eglQuerySurface = reinterpret_cast<decltype(pfn_eglQuerySurface)>(get_egl_proc_address("eglQuerySurface"));
 
-        imgui_create(surf);
+        imgui_create(surf, gl_wsi::GL_WSI_EGL);
 
         int width=0, height=0;
         if (pfn_eglQuerySurface(dpy, surf, 0x3056, &height) &&

src/gl/inject_glx.cpp

@@ -51,6 +51,17 @@ static void* get_glx_proc_address(const char* name) {
     return func;
 }
 
+bool glx_mesa_queryInteger(int attrib, unsigned int *value);
+bool glx_mesa_queryInteger(int attrib, unsigned int *value)
+{
+    static int (*pfn_queryInteger)(int attribute, unsigned int *value) =
+        reinterpret_cast<decltype(pfn_queryInteger)>(get_glx_proc_address(
+                    "glXQueryCurrentRendererIntegerMESA"));
+    if (pfn_queryInteger)
+        return !!pfn_queryInteger(attrib, value);
+    return false;
+}
+
 EXPORT_C_(void *) glXCreateContext(void *dpy, void *vis, void *shareList, int direct)
 {
     glx.Load();
@@ -99,7 +110,7 @@ EXPORT_C_(int) glXMakeCurrent(void* dpy, void* drawable, void* ctx) {
 
     if (!is_blacklisted()) {
         if (ret) {
-            imgui_set_context(ctx);
+            imgui_set_context(ctx, gl_wsi::GL_WSI_GLX);
             SPDLOG_DEBUG("GL ref count: {}", refcnt);
         }
 
@@ -123,7 +134,7 @@ static void do_imgui_swap(void *dpy, void *drawable)
 {
     GLint vp[4];
     if (!is_blacklisted()) {
-        imgui_create(glx.GetCurrentContext());
+        imgui_create(glx.GetCurrentContext(), gl_wsi::GL_WSI_GLX);
 
         unsigned int width = -1, height = -1;