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check for OpenGL version 2.0+

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This commit is contained in:
Matthias Mailänder
2014-05-04 12:21:38 +02:00
parent ce78683782
commit f8bb956496
2 changed files with 24 additions and 0 deletions
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23
OpenRA.Renderer.Sdl2/ErrorHandler.cs
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@@ -16,6 +16,24 @@ namespace OpenRA.Renderer.Sdl2
{ {
public static class ErrorHandler public static class ErrorHandler
{ {
static Version OpenGLversion;
public static void CheckGlVersion()
{
var version = GL.GetString(StringName.Version).Split(' ')[0].Split('.');
int major;
int.TryParse(version[0], out major);
int minor;
int.TryParse(version[1], out minor);
Console.WriteLine("Detected OpenGL version: {0}.{1}".F(major, minor));
OpenGLversion = new Version(major, minor);
if (major < 2)
{
WriteGraphicsLog("OpenRA requires OpenGL version 2.0 or greater.");
throw new InvalidProgramException("OpenGL Version Error: See graphics.log for details.");
}
}
public static void CheckGlError() public static void CheckGlError()
{ {
var n = GL.GetError(); var n = GL.GetError();
@@ -40,6 +58,11 @@ namespace OpenRA.Renderer.Sdl2
} }
Log.Write("graphics", "Renderer: {0}", GL.GetString(StringName.Renderer)); Log.Write("graphics", "Renderer: {0}", GL.GetString(StringName.Renderer));
Log.Write("graphics", "GL Version: {0}", GL.GetString(StringName.Version)); Log.Write("graphics", "GL Version: {0}", GL.GetString(StringName.Version));
if (OpenGLversion.Major < 2)
{
Log.Write("graphics", "Note: OpenRA requires OpenGL version 2.0+.\n"
+"Please update your graphics card drivers to the latest version.\n");
}
Log.Write("graphics", "Shader Version: {0}", GL.GetString(StringName.ShadingLanguageVersion)); Log.Write("graphics", "Shader Version: {0}", GL.GetString(StringName.ShadingLanguageVersion));
Log.Write("graphics", "Available extensions:"); Log.Write("graphics", "Available extensions:");
Log.Write("graphics", GL.GetString(StringName.Extensions)); Log.Write("graphics", GL.GetString(StringName.Extensions));

1
OpenRA.Renderer.Sdl2/Sdl2GraphicsDevice.cs
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@@ -79,6 +79,7 @@ namespace OpenRA.Renderer.Sdl2
context = SDL.SDL_GL_CreateContext(window); context = SDL.SDL_GL_CreateContext(window);
SDL.SDL_GL_MakeCurrent(window, context); SDL.SDL_GL_MakeCurrent(window, context);
GL.LoadAll(); GL.LoadAll();
ErrorHandler.CheckGlVersion();
ErrorHandler.CheckGlError(); ErrorHandler.CheckGlError();
if (SDL.SDL_GL_ExtensionSupported("GL_EXT_framebuffer_object") == SDL.SDL_bool.SDL_FALSE) if (SDL.SDL_GL_ExtensionSupported("GL_EXT_framebuffer_object") == SDL.SDL_bool.SDL_FALSE)