- fixes and improvements for survey code.

Check for Windows on ARM and do proper checks for GLES.
32 bit checks are still retained to catch non-official builds that disable the compile check.

src/common/rendering/gl_load/gl_interface.cpp

@@ -44,7 +44,8 @@
 
 static TArray<FString>  m_Extensions;
 RenderContext gl;
-static double realglversion;	// this is public so the statistics code can access it.
+static double realglversion;
+static bool bindless;
 
 //==========================================================================
 //
@@ -156,7 +157,7 @@ void gl_LoadExtensions()
 #ifdef _WIN32
 		if (strstr(gl.vendorstring, "ATI Tech"))
 		{
-			gl.flags |= RFL_NO_CLIP_PLANES;	// gl_ClipDistance is horribly broken on ATI GL3 drivers for Windows. (TBD: Relegate to vintage build? Maybe after the next survey.)
+			gl.flags |= RFL_NO_CLIP_PLANES;	// gl_ClipDistance is horribly broken on ATI GL3 drivers for Windows.
 		}
 #endif
 		gl.glslversion = 3.31f;	// Force GLSL down to 3.3.
@@ -201,6 +202,8 @@ void gl_LoadExtensions()
 
 	glGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl.max_texturesize);
 	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+	bindless = CheckExtension("GL_ARB_bindless_texture");
 }
 
 //==========================================================================
@@ -247,9 +250,14 @@ void gl_PrintStartupLog()
 	}
 }
 
+void setGlVersion(double glv)
+{
+	realglversion = glv;
+}
+
 std::pair<double, bool> gl_getInfo()
 {
 	// gl_ARB_bindless_texture is the closest we can get to determine Vulkan support from OpenGL.
 	// This isn't foolproof because Intel doesn't support it but for NVidia and AMD support of this extension means Vulkan support.
-	return std::make_pair(realglversion, CheckExtension("GL_ARB_bindless_texture"));
+	return std::make_pair(realglversion, bindless);
 }

src/common/rendering/gles/gles_framebuffer.h

@@ -22,6 +22,7 @@ public:
 	explicit OpenGLFrameBuffer() {}
 	OpenGLFrameBuffer(void *hMonitor, bool fullscreen) ;
 	~OpenGLFrameBuffer();
+	int Backend() override { return 0; }
 
 	void InitializeState() override;
 	void Update() override;

src/common/rendering/gles/gles_system.cpp

@@ -9,6 +9,7 @@ CVAR(Bool, gles_use_mapped_buffer, false, 0);
 CVAR(Bool, gles_force_glsl_v100, false, 0);
 CVAR(Int, gles_max_lights_per_surface, 32, 0);
 EXTERN_CVAR(Bool, gl_customshader);
+void setGlVersion(double glv);
 
 
 #if USE_GLES2
@@ -191,5 +192,9 @@ namespace OpenGLESRenderer
 #endif
 
 		gles.numlightvectors = (gles.maxlights * LIGHT_VEC4_NUM);
+
+		const char* glversion = (const char*)glGetString(GL_VERSION);
+		setGlVersion( strtod(glversion, NULL));
+
 	}
 }

src/d_anonstats.cpp

@@ -176,20 +176,24 @@ bool I_HTTPRequest(const char* request)
 static int GetOSVersion()
 {
 #ifdef _WIN32
+#ifndef _M_ARM64
 	if (sizeof(void*) == 4)	// 32 bit
 	{
 		BOOL res;
 		if (IsWow64Process(GetCurrentProcess(), &res) && res)
 		{
-			return 2;
-		}
 			return 1;
 		}
+		return 0;
+	}
 	else
 	{
-		if (sys_ostype == 2) return 3;
-		else return 4;
+		if (sys_ostype == 2) return 2;
+		else return 3;
 	}
+#else
+	return 4;
+#endif
 
 #elif defined __APPLE__
 
@@ -198,9 +202,8 @@ static int GetOSVersion()
 #else
 	return 5;
 #endif
-#else
 
-// fall-through linux stuff here
+#else // fall-through linux stuff here
 #ifdef __arm__
 	return 9;
 #else
@@ -264,12 +267,12 @@ static int GetCoreInfo()
 
 static int GetRenderInfo()
 {
+	if (screen->Backend() == 0) return 1;
 	if (screen->Backend() == 1) return 4;
 	auto info = gl_getInfo();
 	if (!info.second)
 	{
-		if ((screen->hwcaps & (RFL_SHADER_STORAGE_BUFFER | RFL_BUFFER_STORAGE)) == (RFL_SHADER_STORAGE_BUFFER | RFL_BUFFER_STORAGE)) return 2;
-		return 1;
+		return 2;
 	}
 	return 3;
 }