Help getting a simple effect running on win7 gl, build 3_6_70_99

@willmotil wrote:

Ok i haven't done any shader stuff with spritebatch in monogame so i basically wanted to give it a shot. I used yesterdays build, created a default fx using the pipeline tool, added a image and a sprite font, dropped in the basic code i thought used to work in 4.0 but,,, Im getting nothing drawing. The background is cleared but text and image disappear..

What am i missing here ?

`    public class Game1 : Game
    {
        GraphicsDeviceManager graphics;
        SpriteBatch spriteBatch;
        SpriteFont myfont;
        Effect myeffect;
        Texture2D tpic01;
        
        public Game1()
        {
            graphics = new GraphicsDeviceManager(this);
            Content.RootDirectory = "Content";
        }

        protected override void Initialize()
        {
            base.Initialize();
        }

        protected override void LoadContent()
        {
            spriteBatch = new SpriteBatch(GraphicsDevice);
            myfont = Content.Load<SpriteFont>("MyFont");
            myeffect = Content.Load<Effect>("MyEffects");
            tpic01 = Content.Load<Texture2D>("tpic01");
        }

        protected override void UnloadContent()
        {
        }

        protected override void Update(GameTime gameTime)
        {
            if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
                Exit();
            base.Update(gameTime);
        }

        protected override void Draw(GameTime gameTime)
        {
            GraphicsDevice.Clear(Color.CornflowerBlue);

            //spriteBatch.Begin();
            
            // drop in my effect and text and image disappear.

            spriteBatch.Begin(0, BlendState.NonPremultiplied, null, null, null, myeffect);       
            spriteBatch.Draw(tpic01, new Rectangle(100, 100, 300, 300), Color.White);
            spriteBatch.DrawString(myfont, "hello", new Vector2(20, 20), Color.AntiqueWhite);
            spriteBatch.End();

            base.Draw(gameTime);
        }
    }

,,,,,, the basic stuff the pipeline tool outputs for a fx file it shouldn't change anything
`

    SV_POSITION POSITION
    VS_SHADERMODEL vs_3_0
    PS_SHADERMODEL ps_3_0

matrix WorldViewProjection;

struct VertexShaderInput
{
    float4 Position : SV_POSITION;
    float4 Color : COLOR0;
};

struct VertexShaderOutput
{
    float4 Position : SV_POSITION;
    float4 Color : COLOR0;
};

VertexShaderOutput MainVS(in VertexShaderInput input)
{
    VertexShaderOutput output = (VertexShaderOutput)0;

    output.Position = mul(input.Position, WorldViewProjection);
    output.Color = input.Color;

    return output;
}

float4 MainPS(VertexShaderOutput input) : COLOR
{
    return input.Color;
}

technique BasicColorDrawing
{
    pass P0
    {
        VertexShader = compile VS_SHADERMODEL MainVS();
        PixelShader = compile PS_SHADERMODEL MainPS();
    }
};`

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