internal void Apply(IMTLRenderCommandEncoder commandEncoder)
{
// Rasterizer state.
commandEncoder.SetTriangleFillMode(_triangleFillMode);
commandEncoder.SetFrontFacingWinding(_frontFacingWinding);
commandEncoder.SetCullMode(_cullMode);
// Depth stencil state.
commandEncoder.SetDepthStencilState(_depthStencilState);
}
public void Encode(IMTLRenderCommandEncoder renderEncoder)
{
renderEncoder.PushDebugGroup("encode quad");
renderEncoder.SetFrontFacingWinding(MTLWinding.CounterClockwise);
renderEncoder.SetDepthStencilState(depthState);
renderEncoder.SetRenderPipelineState(pipelineState);
renderEncoder.SetVertexBuffer(transformBuffer, 0, 2);
renderEncoder.SetFragmentTexture(outTexture, 0);
// Encode quad vertex and texture coordinate buffers
mpQuad.Encode(renderEncoder);
// tell the render context we want to draw our primitives
renderEncoder.DrawPrimitives(MTLPrimitiveType.Triangle, 0, 6, 1);
renderEncoder.EndEncoding();
renderEncoder.PopDebugGroup();
}
public void Encode (IMTLRenderCommandEncoder renderEncoder)
{
renderEncoder.PushDebugGroup ("encode quad");
renderEncoder.SetFrontFacingWinding (MTLWinding.CounterClockwise);
renderEncoder.SetDepthStencilState (depthState);
renderEncoder.SetRenderPipelineState (pipelineState);
renderEncoder.SetVertexBuffer (transformBuffer, 0, 2);
renderEncoder.SetFragmentTexture (mpInTexture.MetalTexture, 0);
// Encode quad vertex and texture coordinate buffers
mpQuad.Encode (renderEncoder);
// tell the render context we want to draw our primitives
renderEncoder.DrawPrimitives (MTLPrimitiveType.Triangle, 0, 6, 1);
renderEncoder.EndEncoding ();
renderEncoder.PopDebugGroup ();
}
public void Draw(MTKView view)
{
// Update
// Create a new command buffer for each renderpass to the current drawable
IMTLCommandBuffer commandBuffer = commandQueue.CommandBuffer();
// Call the view's completion handler which is required by the view since it will signal its semaphore and set up the next buffer
var drawable = view.CurrentDrawable;
// Obtain a renderPassDescriptor generated from the view's drawable textures
MTLRenderPassDescriptor renderPassDescriptor = view.CurrentRenderPassDescriptor;
// If we have a valid drawable, begin the commands to render into it
if (renderPassDescriptor != null)
{
// Create a render command encoder so we can render into something
IMTLRenderCommandEncoder renderEncoder = commandBuffer.CreateRenderCommandEncoder(renderPassDescriptor);
renderEncoder.SetDepthStencilState(depthStencilState);
renderEncoder.SetCullMode(MTLCullMode.Front);
renderEncoder.SetFrontFacingWinding(MTLWinding.CounterClockwise);
renderEncoder.SetTriangleFillMode(MTLTriangleFillMode.Fill);
// Set context state
renderEncoder.SetRenderPipelineState(pipelineState);
renderEncoder.SetVertexBuffer(vertexBuffer, 0, 0);
renderEncoder.SetVertexBuffer(instancedBuffer, 0, 1);
// Tell the render context we want to draw our primitives
renderEncoder.DrawIndexedPrimitives(MTLPrimitiveType.Triangle, (uint)indexData.Length, MTLIndexType.UInt16, indexBuffer, 0, 3);
renderEncoder.EndEncoding();
// Schedule a present once the framebuffer is complete using the current drawable
commandBuffer.PresentDrawable(drawable);
}
// Finalize rendering here & push the command buffer to the GPU
commandBuffer.Commit();
}
public void Draw(MTKView view)
{
// Create a new command buffer for each renderpass to the current drawable
IMTLCommandBuffer commandBuffer = commandQueue.CommandBuffer();
// Call the view's completion handler which is required by the view since it will signal its semaphore and set up the next buffer
var drawable = view.CurrentDrawable;
// Obtain a renderPassDescriptor generated from the view's drawable textures
MTLRenderPassDescriptor renderPassDescriptor = view.CurrentRenderPassDescriptor;
// If we have a valid drawable, begin the commands to render into it
if (renderPassDescriptor != null)
{
// Create a render command encoder so we can render into something
IMTLRenderCommandEncoder renderEncoder = commandBuffer.CreateRenderCommandEncoder(renderPassDescriptor);
// First Draw
var time = clock.ElapsedMilliseconds / 1000.0f;
var viewProj = Matrix4.Mult(this.view, this.proj);
var worldViewProj = Matrix4.CreateRotationX(time) * Matrix4.CreateRotationY(time * 2) * Matrix4.CreateRotationZ(time * .7f) * viewProj;
param.WorldViewProjection = Matrix4.Transpose(worldViewProj);
param.IsTextured = true;
SetConstantBuffer(this.param, this.constantBuffer1);
// Set context state
renderEncoder.SetRenderPipelineState(pipelineState);
renderEncoder.SetFrontFacingWinding(MTLWinding.Clockwise);
renderEncoder.SetCullMode(MTLCullMode.None);
renderEncoder.SetStencilReferenceValue(0);
renderEncoder.SetDepthStencilState(depthStencilState1);
renderEncoder.SetVertexBuffer(vertexBuffer, 0, 0);
renderEncoder.SetFragmentTexture(this.texture, 0);
renderEncoder.SetFragmentSamplerState(this.sampler, 0);
renderEncoder.SetVertexBuffer(constantBuffer1, (nuint)Marshal.SizeOf(this.param), 1);
renderEncoder.SetFragmentBuffer(constantBuffer1, (nuint)Marshal.SizeOf(this.param), 1);
// Tell the render context we want to draw our primitives
renderEncoder.DrawPrimitives(MTLPrimitiveType.Triangle, 0, (nuint)vertexData.Length);
// Second Draw
// Set constant buffer
param.IsTextured = false;
worldViewProj = Matrix4.CreateRotationX(time) * Matrix4.CreateRotationY(time * 2) * Matrix4.CreateRotationZ(time * .7f) * Matrix4.Scale(1.04f) * viewProj;
param.WorldViewProjection = Matrix4.Transpose(worldViewProj);
SetConstantBuffer(this.param, constantBuffer2);
renderEncoder.SetStencilReferenceValue(1);
renderEncoder.SetDepthStencilState(depthStencilState2);
renderEncoder.SetVertexBuffer(constantBuffer2, (nuint)Marshal.SizeOf(this.param), 1);
renderEncoder.SetFragmentBuffer(constantBuffer2, (nuint)Marshal.SizeOf(this.param), 1);
// Tell the render context we want to draw our primitives
renderEncoder.DrawPrimitives(MTLPrimitiveType.Triangle, 0, (nuint)vertexData.Length);
// We're done encoding commands
renderEncoder.EndEncoding();
// Schedule a present once the framebuffer is complete using the current drawable
commandBuffer.PresentDrawable(drawable);
}
// Finalize rendering here & push the command buffer to the GPU
commandBuffer.Commit();
}
