public bool UpdateBuffers(DeviceContextProxy context, IDeviceResources deviceResources)
{
if (SpriteCount == 0 || IndexCount == 0 || Sprites == null || Indices == null || Sprites.Length < SpriteCount || Indices.Length < IndexCount)
{
return(false);
}
vertextBuffer.UploadDataToBuffer(context, Sprites, SpriteCount);
IndexBuffer.UploadDataToBuffer(context, Indices, IndexCount);
return(true);
}
protected override void OnRender(RenderContext renderContext)
{
this.bHasInstances.Set(this.hasInstances);
// --- set constant paramerers
var worldMatrix = this.modelMatrix * renderContext.worldMatrix;
this.EffectTransforms.mWorld.SetMatrix(ref worldMatrix);
// --- check shadowmaps
this.hasShadowMap = this.renderHost.IsShadowMapEnabled;
this.effectMaterial.bHasShadowMapVariable.Set(this.hasShadowMap);
this.effectMaterial.AttachMaterial(geometryInternal as MeshGeometry3D);
// --- set context
renderContext.DeviceContext.InputAssembler.InputLayout = this.vertexLayout;
renderContext.DeviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
renderContext.DeviceContext.InputAssembler.SetIndexBuffer(this.IndexBuffer.Buffer, Format.R32_UInt, 0);
// --- set rasterstate
renderContext.DeviceContext.Rasterizer.State = this.RasterState;
renderContext.DeviceContext.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(this.VertexBuffer.Buffer, this.VertexBuffer.StructureSize, 0));
hasBonesVar.Set(hasBoneParameter && hasBoneMatrices);
if (hasBoneMatrices)
{
boneMatricesVar.SetMatrix(mBones.Bones);
}
if (this.hasBoneParameter)
{
if (isBoneParamChanged && this.VertexBoneIds.Count >= geometryInternal.Positions.Count)
{
vertexBoneParamsBuffer.UploadDataToBuffer(renderContext.DeviceContext, this.VertexBoneIds);
this.isBoneParamChanged = false;
}
renderContext.DeviceContext.InputAssembler.SetVertexBuffers(1, new VertexBufferBinding(this.vertexBoneParamsBuffer.Buffer, this.vertexBoneParamsBuffer.StructureSize, 0));
}
if (this.hasInstances)
{
// --- update instance buffer
if (this.isInstanceChanged)
{
InstanceBuffer.UploadDataToBuffer(renderContext.DeviceContext, this.instanceInternal);
this.isInstanceChanged = false;
}
renderContext.DeviceContext.InputAssembler.SetVertexBuffers(2, new VertexBufferBinding(this.InstanceBuffer.Buffer, this.InstanceBuffer.StructureSize, 0));
OnInstancedDrawCall(renderContext);
}
else
{
// --- bind buffer
renderContext.DeviceContext.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(this.VertexBuffer.Buffer, this.VertexBuffer.StructureSize, 0));
OnDrawCall(renderContext);
}
}
protected override void OnRender(RenderContext renderContext)
{
// --- check to render the model
var geometry = geometryInternal as IBillboardText;
if (geometry == null)
{
throw new System.Exception("Geometry must implement IBillboardText");
}
this.bHasInstances.Set(this.hasInstances);
this.hasInstanceParamVar.Set(this.hasInstanceParams);
// --- set constant paramerers
var worldMatrix = modelMatrix * renderContext.worldMatrix;
EffectTransforms.mWorld.SetMatrix(ref worldMatrix);
this.bFixedSizeVariable.Set(FixedSize);
// --- check shadowmaps
//this.hasShadowMap = this.renderHost.IsShadowMapEnabled;
//this.effectMaterial.bHasShadowMapVariable.Set(this.hasShadowMap);
// --- set context
renderContext.DeviceContext.InputAssembler.InputLayout = vertexLayout;
renderContext.DeviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleStrip;
// --- set rasterstate
renderContext.DeviceContext.Rasterizer.State = RasterState;
// --- bind buffer
renderContext.DeviceContext.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(VertexBuffer.Buffer, VertexBuffer.StructureSize, 0));
// --- render the geometry
this.bHasBillboardTexture.Set(geometry.Texture != null);
if (geometry.Texture != null)
{
billboardTextureVariable.SetResource(billboardTextureView);
}
this.bHasBillboardAlphaTexture.Set(geometry.AlphaTexture != null);
if (geometry.AlphaTexture != null)
{
billboardAlphaTextureVariable.SetResource(billboardAlphaTextureView);
}
var vertexCount = geometryInternal.Positions.Count;
if (this.hasInstances)
{
if (this.isInstanceChanged)
{
InstanceBuffer.UploadDataToBuffer(renderContext.DeviceContext, this.instanceInternal);
this.isInstanceChanged = false;
}
renderContext.DeviceContext.InputAssembler.SetVertexBuffers(1, new VertexBufferBinding(this.InstanceBuffer.Buffer, this.InstanceBuffer.StructureSize, 0));
if (this.hasInstanceParams)
{
if (instanceParamArrayChanged)
{
instanceParamBuffer.UploadDataToBuffer(renderContext.DeviceContext, this.InstanceParamArray);
this.instanceParamArrayChanged = false;
}
renderContext.DeviceContext.InputAssembler.SetVertexBuffers(2, new VertexBufferBinding(this.instanceParamBuffer.Buffer, this.instanceParamBuffer.StructureSize, 0));
}
switch (billboardType)
{
case BillboardType.SingleImage:
// Use foreground shader to draw text
effectTechnique.GetPassByIndex(2).Apply(renderContext.DeviceContext);
// --- draw text, foreground vertex is beginning from 0.
renderContext.DeviceContext.DrawInstanced(vertexCount, this.instanceInternal.Count, 0, 0);
break;
case BillboardType.SingleText:
if (vertexCount == 8)
{
var half = vertexCount / 2;
// Use background shader to draw background first
effectTechnique.GetPassByIndex(1).Apply(renderContext.DeviceContext);
// --- draw background, background vertex is beginning from middle. <see cref="BillboardSingleText3D"/>
renderContext.DeviceContext.DrawInstanced(half, this.instanceInternal.Count, half, 0);
// Use foreground shader to draw text
effectTechnique.GetPassByIndex(0).Apply(renderContext.DeviceContext);
// --- draw text, foreground vertex is beginning from 0.
renderContext.DeviceContext.DrawInstanced(half, this.instanceInternal.Count, 0, 0);
}
break;
}
}
this.bHasInstances.Set(false);
this.hasInstanceParamVar.Set(false);
}