internal BatchBuffer(Renderer.RenderSystem renderSystem, Renderer.VertexFormat vertexFormat = null, int initialTriangleCount = 128)
{
if (renderSystem == null)
throw new ArgumentNullException("renderSystem");
if (initialTriangleCount <= 0)
throw new ArgumentException("invalid initialTriangleCount");
RenderSystem = renderSystem;
var dataCount = initialTriangleCount * (3 + 3 + 3 + 2); // vec3 pos, vec3 normal, vec3 tangent, vec2 texcoord
VertexData = new float[dataCount];
IndexData = new int[initialTriangleCount];
if (vertexFormat != null)
{
VertexFormat = vertexFormat;
}
else
{
VertexFormat = new Renderer.VertexFormat(new Renderer.VertexFormatElement[]
{
new Renderer.VertexFormatElement(Renderer.VertexFormatSemantic.Position, Renderer.VertexPointerType.Float, 3, 0),
new Renderer.VertexFormatElement(Renderer.VertexFormatSemantic.TexCoord, Renderer.VertexPointerType.Float, 2, sizeof(float) * 3),
});
}
VertexBufferHandle = RenderSystem.CreateBuffer(Renderer.BufferTarget.ArrayBuffer, VertexFormat);
IndexBufferHandle = RenderSystem.CreateBuffer(Renderer.BufferTarget.ElementArrayBuffer);
RenderSystem.SetBufferData(VertexBufferHandle, new byte[0], true, true);
RenderSystem.SetBufferData(IndexBufferHandle, new byte[0], true, true);
MeshHandle = RenderSystem.CreateMesh(0, VertexBufferHandle, IndexBufferHandle, true);
}
public Backend(ResourceManager resourceManager, int width, int height, OpenTK.Platform.IWindowInfo windowInfo)
{
if (resourceManager == null)
throw new ArgumentNullException("resourceManager");
Width = width;
Height = height;
ResourceManager = resourceManager;
// Setup the render system
RenderSystem = new Renderer.RenderSystem(windowInfo, ProcessQueue.Enqueue);
Watch = new System.Diagnostics.Stopwatch();
DefaultSampler = RenderSystem.CreateSampler(new Dictionary<SamplerParameterName, int>
{
{ SamplerParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapLinear },
{ SamplerParameterName.TextureMagFilter, (int)TextureMagFilter.Linear },
{ SamplerParameterName.TextureMaxAnisotropyExt, 8 },
{ SamplerParameterName.TextureWrapS, (int)TextureWrapMode.Repeat },
{ SamplerParameterName.TextureWrapT, (int)TextureWrapMode.Repeat },
{ SamplerParameterName.TextureWrapR, (int)TextureWrapMode.Repeat }
});
DefaultSamplerNoFiltering = RenderSystem.CreateSampler(new Dictionary<SamplerParameterName, int>
{
{ SamplerParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest },
{ SamplerParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest },
{ SamplerParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge },
{ SamplerParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge }
});
DefaultSamplerMipMapNearest = RenderSystem.CreateSampler(new Dictionary<SamplerParameterName, int>
{
{ SamplerParameterName.TextureMinFilter, (int)TextureMinFilter.NearestMipmapNearest },
{ SamplerParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest },
{ SamplerParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge },
{ SamplerParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge }
});
ElapsedTime = 0;
}