[Windows & DMD] No callstack when crash with Access violation reading location 0x00000000

[Flamaros]

On Wednesday, 22 January 2014 at 02:11:02 UTC, TheFlyingFiddle 
wrote:
> On Saturday, 18 January 2014 at 19:40:38 UTC, Xavier Bigand 
> wrote:
>> I am not sure the issue come really from my code, cause it 
>> just works fine on ATI cards, I do something Nvidia drivers 
>> dislike.
>>
>> I tried to replace GL_LINE_LOOP by triangles, increase buffer 
>> size, put the GL_ELEMENT_ARRAY_BUFFER buffer type bind right 
>> before glDrawElements without success.
>>
>> Crash only append when I fill text mesh before those ones. So 
>> I need dig more.
>
> From what i saw in your code you are not using Vertex Array 
> Objects. I have had similar problems that code ran fine on ATI 
> but crashed on nvidia. The problem went away for me when i just 
> created and bound a global VAO just after context creation.
>
> Also i would recommend calling glGetError after every call, it 
> helps finding errors. Here is a simple trick to do this 
> automatically.
>
> static gl
> {
>
>   static ref auto opDispatch(string name, Args...)(Args args)
>   {
>     enum glName = "gl" ~ name[0].toUpper.to!string ~ name[1 .. 
> $];
>
>     debug scope(exit) checkGLError(); //Do glGetError and log 
> it or something.
>     mixin("return " ~ glName ~ "(args);");
>   }
> }
>
>
> After this simply change all glFunctionName(args) to 
> gl.functionName or gl.functionName.

I will try the global VAO.

I already check glError with "checkgl!" function.