add gfx.angleplatform ini setting

Globals.cpp

@@ -878,6 +878,11 @@ global_settings::ConfigParse(cParser &Parser) {
             Parser.getTokens(1);
             Parser >> gfx_usegles;
         }
+        else if (token == "gfx.angleplatform")
+        {
+            Parser.getTokens(1);
+            Parser >> gfx_angleplatform;
+        }
         else if (token == "gfx.shadergamma")
         {
             Parser.getTokens(1);

Globals.h

@@ -250,6 +250,7 @@ struct global_settings {
     bool gfx_extraeffects = true;
     bool gfx_shadergamma = false;
     bool gfx_usegles = false;
+    std::string gfx_angleplatform;
     bool vr = false;
     std::string vr_backend;
 

application.cpp

@@ -707,6 +707,31 @@ eu07_application::init_locale() {
 
 int
 eu07_application::init_glfw() {
+    {
+        int glfw_major, glfw_minor, glfw_rev;
+        glfwGetVersion(&glfw_major, &glfw_minor, &glfw_rev);
+        m_glfwversion = glfw_major * 10000 + glfw_minor * 100 + glfw_minor;
+    }
+
+#ifdef GLFW_ANGLE_PLATFORM_TYPE
+    if (m_glfwversion >= 30400) {
+        int platform = GLFW_ANGLE_PLATFORM_TYPE_NONE;
+        if (Global.gfx_angleplatform == "opengl")
+            platform = GLFW_ANGLE_PLATFORM_TYPE_OPENGL;
+        else if (Global.gfx_angleplatform == "opengles")
+            platform = GLFW_ANGLE_PLATFORM_TYPE_OPENGLES;
+        else if (Global.gfx_angleplatform == "d3d9")
+            platform = GLFW_ANGLE_PLATFORM_TYPE_D3D9;
+        else if (Global.gfx_angleplatform == "d3d11")
+            platform = GLFW_ANGLE_PLATFORM_TYPE_D3D11;
+        else if (Global.gfx_angleplatform == "vulkan")
+            platform = GLFW_ANGLE_PLATFORM_TYPE_VULKAN;
+        else if (Global.gfx_angleplatform == "metal")
+            platform = GLFW_ANGLE_PLATFORM_TYPE_METAL;
+
+        glfwInitHint(GLFW_ANGLE_PLATFORM_TYPE, platform);
+    }
+#endif
 
     if( glfwInit() == GLFW_FALSE ) {
         ErrorLog( "Bad init: failed to initialize glfw" );
@@ -745,7 +770,8 @@ eu07_application::init_glfw() {
         }
         else {
 #ifdef GLFW_CONTEXT_CREATION_API
-            glfwWindowHint( GLFW_CONTEXT_CREATION_API, GLFW_EGL_CONTEXT_API );
+            if (m_glfwversion >= 30200)
+                glfwWindowHint( GLFW_CONTEXT_CREATION_API, GLFW_EGL_CONTEXT_API );
 #endif
             glfwWindowHint( GLFW_CLIENT_API, GLFW_OPENGL_ES_API );
             glfwWindowHint( GLFW_CONTEXT_VERSION_MAJOR, 3 );

application.h

@@ -120,6 +120,7 @@ private:
     mode_stack m_modestack; // current behaviour mode
     python_taskqueue m_taskqueue;
     std::vector<GLFWwindow *> m_windows;
+    int m_glfwversion;
 
 	std::optional<network::manager> m_network;
     std::optional<headtrack> m_headtrack;