本文整理汇总了C#中GraphicsDevice.GetViewport方法的典型用法代码示例。如果您正苦于以下问题：C# GraphicsDevice.GetViewport方法的具体用法？C# GraphicsDevice.GetViewport怎么用？C# GraphicsDevice.GetViewport使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GraphicsDevice的用法示例。
在下文中一共展示了GraphicsDevice.GetViewport方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GenerateMaxMap
private void GenerateMaxMap(RenderTarget2D texture, GraphicsDevice graphicsDevice)
{
// Save old render setup to restore later.
SharpDX.Direct3D11.DepthStencilView depthStencilBefore;
var renderTargetsBefore = graphicsDevice.GetRenderTargets(out depthStencilBefore);
ViewportF oldViewport = graphicsDevice.GetViewport(0);
numHeightmapMipLevels = 0;
var currentWidth = texture.Width / 2;
var currentHeight = texture.Height / 2;
for (var mipLevel = 1; currentWidth > 0 && currentHeight > 0; ++mipLevel, currentWidth /= 2, currentHeight /= 2)
{
// Generate sampler on-the-fly.
var samplerStateDesc = SharpDX.Direct3D11.SamplerStateDescription.Default();
samplerStateDesc.AddressV = SharpDX.Direct3D11.TextureAddressMode.Clamp;
samplerStateDesc.AddressU = SharpDX.Direct3D11.TextureAddressMode.Clamp;
samplerStateDesc.Filter = SharpDX.Direct3D11.Filter.MinMagMipPoint;
samplerStateDesc.MinimumLod = mipLevel-1;
samplerStateDesc.MaximumLod = mipLevel-1;
samplerStateDesc.MipLodBias = mipLevel-1;
var mipLevelSamplerState = SamplerState.New(graphicsDevice, "MipLevelSampler_" + mipLevel, samplerStateDesc);
// Draw.
maxmapGenShader.Effect.Parameters["NearestSampler"].SetResource(mipLevelSamplerState);
maxmapGenShader.Effect.Parameters["InputTexture"].SetResource(texture.ShaderResourceView[ViewType.Single, 0, mipLevel-1]);
graphicsDevice.SetRenderTargets(texture.RenderTargetView[ViewType.Single, 0, mipLevel]);
graphicsDevice.SetViewport(0, 0, currentWidth, currentHeight);
maxmapGenShader.Effect.CurrentTechnique.Passes[0].Apply();
graphicsDevice.Draw(PrimitiveType.PointList, 1);
maxmapGenShader.Effect.CurrentTechnique.Passes[0].UnApply();
++numHeightmapMipLevels;
}
graphicsDevice.SetRenderTargets(depthStencilBefore, renderTargetsBefore);
graphicsDevice.SetViewport(oldViewport);
}