eryn/terrain
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Get face normals rendering

Browse source
This commit is contained in:
Eryn Wells 2018-11-20 17:13:31 -07:00
parent f28e6e08df
commit 296af144ce
5 changed files with 90 additions and 41 deletions
Download patch file Download diff file Expand all files Collapse all files

25
Terrain2/Renderer.swift
View file

@ -320,21 +320,34 @@ class Renderer: NSObject, MTKViewDelegate {
if let renderEncoder = commandBuffer.makeRenderCommandEncoder(descriptor: normalsRenderPassDescriptor) {
renderEncoder.label = "Normals Render Encoder"
renderEncoder.pushDebugGroup("Draw Normals")
renderEncoder.setRenderPipelineState(normalPipelineState)
renderEncoder.setDepthStencilState(depthState)
let vertexBuffer = terrain.mesh.vertexBuffers[BufferIndex.meshPositions.rawValue]
renderEncoder.setVertexBuffer(vertexBuffer.buffer, offset: vertexBuffer.offset, index: BufferIndex.meshPositions.rawValue)
let normalBuffer = terrain.mesh.vertexBuffers[BufferIndex.normals.rawValue]
renderEncoder.setVertexBuffer(normalBuffer.buffer, offset: normalBuffer.offset, index: BufferIndex.normals.rawValue)
renderEncoder.pushDebugGroup("Draw Vertex Normals")
renderEncoder.setVertexBuffer(dynamicUniformBuffer, offset:uniformBufferOffset, index: BufferIndex.uniforms.rawValue)
let vertexBuffer = terrain.mesh.vertexBuffers[BufferIndex.meshPositions.rawValue]
let normalBuffer = terrain.mesh.vertexBuffers[BufferIndex.normals.rawValue]
renderEncoder.setVertexBuffer(vertexBuffer.buffer, offset: vertexBuffer.offset, index: NormalBufferIndex.points.rawValue)
renderEncoder.setVertexBuffer(normalBuffer.buffer, offset: normalBuffer.offset, index: NormalBufferIndex.normals.rawValue)
renderEncoder.setVertexBuffer(dynamicUniformBuffer, offset: uniformBufferOffset, index: NormalBufferIndex.uniforms.rawValue)
renderEncoder.drawPrimitives(type: .line, vertexStart: 0, vertexCount: 2, instanceCount: terrain.mesh.vertexCount)
renderEncoder.popDebugGroup()
renderEncoder.pushDebugGroup("Draw Face Normals")
let faceMidpointsBuffer = terrain.faceMidpointsBuffer
let faceNormalsBuffer = terrain.faceNormalsBuffer
renderEncoder.setVertexBuffer(faceMidpointsBuffer, offset: 0, index: NormalBufferIndex.points.rawValue)
renderEncoder.setVertexBuffer(faceNormalsBuffer, offset: 0, index: NormalBufferIndex.normals.rawValue)
renderEncoder.setVertexBuffer(dynamicUniformBuffer, offset:uniformBufferOffset, index: NormalBufferIndex.uniforms.rawValue)
renderEncoder.drawPrimitives(type: .line, vertexStart: 0, vertexCount: 2, instanceCount: 2 * Int(terrain.segments.x * terrain.segments.y))
renderEncoder.popDebugGroup()
renderEncoder.endEncoding()
}