private IEffectParameterSet GetEffectParameterSet(IMaterial material, ref bool changedRenderRequest, ref string changedRenderRequestBy)
{
if (_effectUsedForParameterSetCache == _cachedEffect &&
changedRenderRequest == false &&
(!_lastDidSetDiffuseTexture || _lastSetDiffuseTexture == _lastCachedDiffuseTexture?.Texture) &&
(!_lastDidSetNormalMap || _lastSetNormalMap == _lastCachedNormalMapTexture?.Texture) &&
(!_lastDidSetSpecularPower || _lastSetSpecularPower == _lastCachedSpecularPower) &&
(!_lastDidSetSpecularColorMap || _lastSetSpecularColorMap == _lastCachedSpecularColorMapTexture?.Texture) &&
(!_lastDidSetSpecularColor || _lastSetSpecularColor == _lastCachedSpecularColor) &&
(!_lastDidSetDiffuseColor || _lastSetDiffuseColor == (material.ColorDiffuse ?? Color.Black)))
{
// Reuse the existing parameter set.
return(_cachedEffectParameterSet);
}
changedRenderRequest = true;
changedRenderRequestBy += ":parameterset";
// Create a new parameter set and cache it.
_cachedEffectParameterSet = _cachedEffect.CreateParameterSet();
_effectUsedForParameterSetCache = _cachedEffect;
_lastSetDiffuseTexture = null;
_lastSetNormalMap = null;
_lastSetSpecularPower = null;
_lastSetSpecularColorMap = null;
_lastSetSpecularColor = null;
_lastSetDiffuseColor = null;
_lastDidSetDiffuseTexture = false;
_lastDidSetNormalMap = false;
_lastDidSetSpecularPower = false;
_lastDidSetSpecularColorMap = false;
_lastDidSetSpecularColor = false;
_lastDidSetDiffuseColor = false;
if (_cachedEffectParameterSet.HasSemantic <ITextureEffectSemantic>())
{
if (_lastCachedDiffuseTexture?.Texture != null)
{
_cachedEffectParameterSet.GetSemantic <ITextureEffectSemantic>().Texture =
_lastCachedDiffuseTexture.Texture;
_lastSetDiffuseTexture = _lastCachedDiffuseTexture.Texture;
_lastDidSetDiffuseTexture = true;
}
}
if (_cachedEffectParameterSet.HasSemantic <INormalMapEffectSemantic>())
{
if (_lastCachedNormalMapTexture?.Texture != null)
{
_cachedEffectParameterSet.GetSemantic <INormalMapEffectSemantic>().NormalMap =
_lastCachedNormalMapTexture.Texture;
_lastSetNormalMap = _lastCachedNormalMapTexture.Texture;
_lastDidSetNormalMap = true;
}
}
if (_cachedEffectParameterSet.HasSemantic <ISpecularEffectSemantic>())
{
if (_lastCachedSpecularPower != null)
{
var semantic = _cachedEffectParameterSet.GetSemantic <ISpecularEffectSemantic>();
semantic.SpecularPower = _lastCachedSpecularPower.Value;
_lastSetSpecularPower = _lastCachedSpecularPower.Value;
_lastDidSetSpecularPower = true;
if (_lastCachedSpecularColorMapTexture != null)
{
semantic.SpecularColorMap = _lastCachedSpecularColorMapTexture.Texture;
_lastSetSpecularColorMap = _lastCachedSpecularColorMapTexture.Texture;
_lastDidSetSpecularColorMap = true;
}
else if (_lastCachedSpecularColor != null)
{
semantic.SpecularColor = _lastCachedSpecularColor.Value;
_lastSetSpecularColor = _lastCachedSpecularColor.Value;
_lastDidSetSpecularColor = true;
}
}
}
if (_cachedEffectParameterSet.HasSemantic <IColorDiffuseEffectSemantic>())
{
var v = material.ColorDiffuse ?? Color.Black;
_cachedEffectParameterSet.GetSemantic <IColorDiffuseEffectSemantic>().Diffuse = v;
_lastSetDiffuseColor = v;
_lastDidSetDiffuseColor = true;
}
return(_cachedEffectParameterSet);
}
private void BlitInternal(
IRenderContext renderContext,
Texture2D source,
RenderTarget2D[] destinations = null,
IEffect shader = null,
IEffectParameterSet effectParameterSet = null,
BlendState blendState = null,
Vector2?offset = null,
Vector2?size = null)
{
float destWidth, destHeight;
if (destinations != null)
{
var destinationsBound = new RenderTargetBinding[destinations.Length];
for (var i = 0; i < destinations.Length; i++)
{
// Implicit cast.
destinationsBound[i] = destinations[i];
}
renderContext.PushRenderTarget(destinationsBound);
destWidth = destinations[0].Width;
destHeight = destinations[0].Height;
}
else
{
// TODO: renderContext.GraphicsDevice.GetRenderTargets();
destWidth = renderContext.GraphicsDevice.PresentationParameters.BackBufferWidth;
destHeight = renderContext.GraphicsDevice.PresentationParameters.BackBufferHeight;
}
offset = offset ?? new Vector2(0, 0);
size = size ?? new Vector2(1 - offset.Value.X, 1 - offset.Value.Y);
if (blendState == null)
{
blendState = BlendState.Opaque;
}
if (shader == null && _blitEffect.IsReady)
{
shader = _blitEffect.Asset.Effects["Texture"];
}
if (shader == null)
{
// Can't perform blit; no shader is available.
return;
}
if (effectParameterSet == null)
{
effectParameterSet = shader.CreateParameterSet();
}
if (_vertexBuffer == null)
{
_vertexBuffer = new VertexBuffer(renderContext.GraphicsDevice, typeof(VertexPositionNormalTexture),
_vertexes.Length, BufferUsage.WriteOnly);
_vertexBuffer.SetData(_vertexes);
}
if (_indexBuffer == null)
{
_indexBuffer = new IndexBuffer(renderContext.GraphicsDevice, typeof(short), _indicies.Length,
BufferUsage.WriteOnly);
_indexBuffer.SetData(_indicies);
}
var oldWorld = renderContext.World;
var oldProjection = renderContext.Projection;
var oldView = renderContext.View;
renderContext.GraphicsDevice.BlendState = blendState;
renderContext.GraphicsDevice.DepthStencilState = DepthStencilState.Default;
renderContext.GraphicsDevice.SamplerStates[0] = SamplerState.LinearWrap;
renderContext.GraphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
renderContext.World = Matrix.CreateScale(destWidth, destHeight, 1);
renderContext.Projection =
#if !PLATFORM_WINDOWS
Matrix.CreateTranslation(-0.5f, -0.5f, 0) *
#endif
Matrix.CreateOrthographicOffCenter(
destWidth * (-offset.Value.X / size.Value.X),
destWidth * (-offset.Value.X / size.Value.X) + destWidth / size.Value.X,
destHeight * (-offset.Value.Y / size.Value.Y) + destHeight / size.Value.Y,
destHeight * (-offset.Value.Y / size.Value.Y),
0,
1);
renderContext.View = Matrix.Identity;
if (source != null && effectParameterSet != null)
{
var semantic = effectParameterSet.GetSemantic <ITextureEffectSemantic>();
if (semantic.Texture != source)
{
semantic.Texture = source;
}
}
renderContext.GraphicsDevice.SetVertexBuffer(_vertexBuffer);
renderContext.GraphicsDevice.Indices = _indexBuffer;
shader.LoadParameterSet(renderContext, effectParameterSet);
foreach (var pass in shader.NativeEffect.CurrentTechnique.Passes)
{
pass.Apply();
renderContext.GraphicsDevice.DrawIndexedPrimitives(
PrimitiveType.TriangleStrip,
0,
0,
2);
}
renderContext.World = oldWorld;
renderContext.Projection = oldProjection;
renderContext.View = oldView;
if (destinations != null)
{
renderContext.PopRenderTarget();
}
}
private void BlitInternal(
IRenderContext renderContext,
Texture2D source,
RenderTarget2D[] destinations = null,
IEffect shader = null,
IEffectParameterSet effectParameterSet = null,
BlendState blendState = null,
Vector2? offset = null,
Vector2? size = null)
{
float destWidth, destHeight;
if (destinations != null)
{
var destinationsBound = new RenderTargetBinding[destinations.Length];
for (var i = 0; i < destinations.Length; i++)
{
// Implicit cast.
destinationsBound[i] = destinations[i];
}
renderContext.PushRenderTarget(destinationsBound);
destWidth = destinations[0].Width;
destHeight = destinations[0].Height;
}
else
{
// TODO: renderContext.GraphicsDevice.GetRenderTargets();
destWidth = renderContext.GraphicsDevice.PresentationParameters.BackBufferWidth;
destHeight = renderContext.GraphicsDevice.PresentationParameters.BackBufferHeight;
}
offset = offset ?? new Vector2(0, 0);
size = size ?? new Vector2(1 - offset.Value.X, 1 - offset.Value.Y);
if (blendState == null)
{
blendState = BlendState.Opaque;
}
if (shader == null)
{
shader = _blitEffect;
}
if (effectParameterSet == null)
{
effectParameterSet = shader.CreateParameterSet();
}
if (_vertexBuffer == null)
{
_vertexBuffer = new VertexBuffer(renderContext.GraphicsDevice, typeof (VertexPositionNormalTexture),
_vertexes.Length, BufferUsage.WriteOnly);
_vertexBuffer.SetData(_vertexes);
}
if (_indexBuffer == null)
{
_indexBuffer = new IndexBuffer(renderContext.GraphicsDevice, typeof (short), _indicies.Length,
BufferUsage.WriteOnly);
_indexBuffer.SetData(_indicies);
}
var oldWorld = renderContext.World;
var oldProjection = renderContext.Projection;
var oldView = renderContext.View;
renderContext.GraphicsDevice.BlendState = blendState;
renderContext.GraphicsDevice.DepthStencilState = DepthStencilState.Default;
renderContext.GraphicsDevice.SamplerStates[0] = SamplerState.LinearWrap;
renderContext.GraphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
renderContext.World = Matrix.CreateScale(destWidth, destHeight, 1);
renderContext.Projection =
#if !PLATFORM_WINDOWS
Matrix.CreateTranslation(-0.5f, -0.5f, 0) *
#endif
Matrix.CreateOrthographicOffCenter(
destWidth * (-offset.Value.X / size.Value.X),
destWidth * (-offset.Value.X / size.Value.X) + destWidth / size.Value.X,
destHeight * (-offset.Value.Y / size.Value.Y) + destHeight / size.Value.Y,
destHeight * (-offset.Value.Y / size.Value.Y),
0,
1);
renderContext.View = Matrix.Identity;
if (source != null && effectParameterSet != null)
{
var semantic = effectParameterSet.GetSemantic<ITextureEffectSemantic>();
if (semantic.Texture != source)
{
semantic.Texture = source;
}
}
renderContext.GraphicsDevice.SetVertexBuffer(_vertexBuffer);
renderContext.GraphicsDevice.Indices = _indexBuffer;
shader.LoadParameterSet(renderContext, effectParameterSet);
foreach (var pass in shader.NativeEffect.CurrentTechnique.Passes)
{
pass.Apply();
renderContext.GraphicsDevice.DrawIndexedPrimitives(
PrimitiveType.TriangleStrip,
0,
0,
2);
}
renderContext.World = oldWorld;
renderContext.Projection = oldProjection;
renderContext.View = oldView;
if (destinations != null)
{
renderContext.PopRenderTarget();
}
}
