public void DrawTextureToTarget(
Texture2D texture,
LightMapSize mapSize,
BlendTechnique blend)
{
var techniqueName = "";
switch (blend)
{
case BlendTechnique.Add:
techniqueName = "TextureToTarget_Add";
break;
case BlendTechnique.Multiply:
techniqueName = "TextureToTarget_Multiply";
break;
default:
throw new ArgumentOutOfRangeException(nameof(blend), blend, null);
}
var biasFactor = BiasFactorFromLightMapSize(mapSize);
var texelBias = new Vector2
{
X = biasFactor / GraphicsDevice.ScissorRectangle.Width,
Y = biasFactor / GraphicsDevice.ScissorRectangle.Height,
};
Effect.Parameters["Texture0"].SetValue(texture);
Effect.Parameters["TexelBias"].SetValue(texelBias);
Effect.CurrentTechnique = Effect.Techniques[techniqueName];
foreach (var effectPass in Effect.CurrentTechnique.Passes)
{
effectPass.Apply();
GraphicsDevice.DrawUserPrimitives(
primitiveType: PrimitiveType.TriangleStrip,
vertexData: UnitQuad,
vertexOffset: 0,
primitiveCount: 2);
}
}
public void DrawTextureToTarget(Texture2D texture, LightMapSize mapSize, BlendTechnique blend)
{
// Get the technique to use
string techniqueName = "";
switch (blend)
{
case (BlendTechnique.Add):
techniqueName = "TextureToTarget_Add";
break;
case (BlendTechnique.Multiply):
techniqueName = "TextureToTarget_Multiply";
break;
}
var biasFactor = KryptonRenderHelper.BiasFactorFromLightMapSize(mapSize);
// Calculate the texel bias
Vector2 texelBias = new Vector2()
{
X = biasFactor / this.mGraphicsDevice.ScissorRectangle.Width,
Y = biasFactor / this.mGraphicsDevice.ScissorRectangle.Height,
};
this.mEffect.Parameters["Texture0"].SetValue(texture);
this.mEffect.Parameters["TexelBias"].SetValue(texelBias);
this.mEffect.CurrentTechnique = this.mEffect.Techniques[techniqueName];
// Draw the quad
foreach (var effectPass in this.mEffect.CurrentTechnique.Passes)
{
effectPass.Apply();
this.mGraphicsDevice.DrawUserPrimitives <VertexPositionTexture>(PrimitiveType.TriangleStrip, KryptonRenderHelper.UnitQuad, 0, 2);
}
}
public void DrawTextureToTarget(Texture2D texture, LightMapSize mapSize, BlendTechnique blend)
{
// Get the technique to use
string techniqueName = "";
switch (blend)
{
case(BlendTechnique.Add):
techniqueName = "TextureToTarget_Add";
break;
case(BlendTechnique.Multiply):
techniqueName = "TextureToTarget_Multiply";
break;
}
var biasFactor = KryptonRenderHelper.BiasFactorFromLightMapSize(mapSize);
// Calculate the texel bias
Vector2 texelBias = new Vector2()
{
X = biasFactor / this.mGraphicsDevice.ScissorRectangle.Width,
Y = biasFactor / this.mGraphicsDevice.ScissorRectangle.Height,
};
this.mEffect.Parameters["Texture0"].SetValue(texture);
this.mEffect.Parameters["TexelBias"].SetValue(texelBias);
this.mEffect.CurrentTechnique = this.mEffect.Techniques[techniqueName];
// Draw the quad
foreach (var effectPass in this.mEffect.CurrentTechnique.Passes)
{
effectPass.Apply();
this.mGraphicsDevice.DrawUserPrimitives<VertexPositionTexture>(PrimitiveType.TriangleStrip, KryptonRenderHelper.UnitQuad, 0, 2);
}
}
