private EffectParameter windowSize, sceneMap; //,
#endregion Fields
#region Constructors
/// <summary>
/// Create shadow map screen blur shader.
/// obs, using full size again: But only use 1/4 of the screen!
/// </summary>
public ShadowMapBlur()
: base(Filename)
{
// Scene map texture
sceneMapTexture = new RenderToTexture(
//RenderToTexture.SizeType.FullScreen);
//RenderToTexture.SizeType.FullScreenWithZBuffer);
//improve performance:
//RenderToTexture.SizeType.HalfScreen);
//TODO if problems:
RenderToTexture.SizeType.HalfScreenWithZBuffer);
/*obs
blurMapTexture = new RenderToTexture(
RenderToTexture.SizeType.FullScreen);
//RenderToTexture.SizeType.FullScreenWithZBuffer);
//improve performance:
//RenderToTexture.SizeType.HalfScreen);
*/
}
//*/
/// <summary>
/// Test create render to texture
/// </summary>
public static void TestCreateRenderToTexture()
{
ColladaModel testModel = null;
RenderToTexture renderToTexture = null;
TestGame.Start(
"TestCreateRenderToTexture",
delegate
{
testModel = new ColladaModel("Sword");
renderToTexture = new RenderToTexture(
//SizeType.QuarterScreen);
SizeType.HalfScreen);
//SizeType.FullScreen);
//SizeType.ShadowMap);
},
delegate
{
bool renderToTextureWay =
Input.Keyboard.IsKeyUp(Keys.Space) &&
Input.GamePadAPressed == false;
BaseGame.Device.RenderState.DepthBufferEnable = true;
if (renderToTextureWay)
{
// Set render target to our texture
renderToTexture.SetRenderTarget();
// Clear background
renderToTexture.Clear(Color.Blue);
/*obs
// Draw background lines
BaseGame.DrawLine(new Point(0, 200), new Point(200, 0), Color.Blue);
BaseGame.DrawLine(new Point(0, 0), new Point(400, 400), Color.Red);
BaseGame.FlushLineManager2D();
*/
// And draw object
testModel.Render(Matrix.CreateScale(1.5f));
//obs: BaseGame.MeshRenderManager.Render();
// Do we need to resolve?
renderToTexture.Resolve();
//BaseGame.Device.ResolveRenderTarget(0);
// Reset background buffer
BaseGame.ResetRenderTarget(true);
} // if (renderToTextureWay)
else
{
// Copy backbuffer way, render stuff normally first
// Clear background
BaseGame.Device.Clear(Color.Blue);
/*obs
// Draw background lines
BaseGame.DrawLine(new Point(0, 200), new Point(200, 0), Color.Blue);
BaseGame.DrawLine(new Point(0, 0), new Point(400, 400), Color.Red);
BaseGame.FlushLineManager2D();
*/
// And draw object
testModel.Render(Matrix.CreateScale(1.5f));
//obs: BaseGame.MeshRenderManager.Render();
} // else
// Show render target in a rectangle on our screen
renderToTexture.RenderOnScreen(
//tst:
new Rectangle(100, 100, 256, 256));
//BaseGame.ResolutionRect);
//no need: BaseGame.UI.FlushUI();
TextureFont.WriteText(2, 0,
" Press Space to toogle full screen rendering");
TextureFont.WriteText(2, 30,
"renderToTexture.Width=" + renderToTexture.Width);
TextureFont.WriteText(2, 60,
"renderToTexture.Height=" + renderToTexture.Height);
TextureFont.WriteText(2, 90,
"renderToTexture.Valid=" + renderToTexture.Valid);
TextureFont.WriteText(2, 120,
"renderToTexture.XnaTexture=" + renderToTexture.XnaTexture);
TextureFont.WriteText(2, 150,
"renderToTexture.ZBufferSurface=" + renderToTexture.ZBufferSurface);
TextureFont.WriteText(2, 180,
"renderToTexture.Filename=" + renderToTexture.Filename);
});
}
/// <summary>
/// Shadow map shader
/// </summary>
public ShadowMapShader()
: base(ShaderFilename)
{
if (BaseGame.CanUsePS20)
// We use R32F, etc. and have a lot of precision
compareDepthBias = 0.0002f;// 0.0001f;
else
// A8R8G8B8 isn't very precise, increase comparing depth bias
compareDepthBias = 0.0075f;// 0.025f;
// Ok, time to create the shadow map render target
shadowMapTexture = new RenderToTexture(
RenderToTexture.SizeType.ShadowMap);
CalcShadowMapBiasMatrix();
shadowMapBlur = new ShadowMapBlur();
}
/// <summary>
/// Create post screen menu. Also used for the constructor of
/// PostScreenGlow (same RenderToTextures used there).
/// </summary>
protected PostScreenMenu(string shaderFilename)
: base(shaderFilename)
{
// Scene map texture
if (sceneMapTexture == null)
sceneMapTexture = new RenderToTexture(
RenderToTexture.SizeType.FullScreen);
// Downsample map texture (to 1/4 of the screen)
if (downsampleMapTexture == null)
downsampleMapTexture = new RenderToTexture(
RenderToTexture.SizeType.QuarterScreen);
// Blur map texture
if (blurMap1Texture == null)
blurMap1Texture = new RenderToTexture(
RenderToTexture.SizeType.QuarterScreen);
// Blur map texture
if (blurMap2Texture == null)
blurMap2Texture = new RenderToTexture(
RenderToTexture.SizeType.QuarterScreen);
}
/// <summary>
/// Create post screen glow
/// </summary>
public PostScreenGlow()
: base(Filename)
{
// Scene map texture
if (sceneMapTexture == null)
sceneMapTexture = new RenderToTexture(
RenderToTexture.SizeType.FullScreenWithZBuffer);//.FullScreen);
// Downsample map texture (to 1/4 of the screen)
if (downsampleMapTexture == null)
downsampleMapTexture = new RenderToTexture(
RenderToTexture.SizeType.QuarterScreen);
// Blur map texture
if (blurMap1Texture == null)
blurMap1Texture = new RenderToTexture(
RenderToTexture.SizeType.QuarterScreen);
// Blur map texture
if (blurMap2Texture == null)
blurMap2Texture = new RenderToTexture(
RenderToTexture.SizeType.QuarterScreen);
// Final map for glow, used to perform radial blur next step
radialSceneMapTexture = new RenderToTexture(
RenderToTexture.SizeType.FullScreen);
}