private GTCommands()
{
settingsCommands = new SettingsCommands();
calibrationCommands = new CalibrationCommands();
autotuneCommands = new AutotuneCommands();
videoViewerCommands = new TrackerViewerCommands();
cameraCommands = new CameraCommands();
}
void OnWillRenderObject()
{
var cam = Camera.current;
if (cam.cameraType == CameraType.Preview)
{
return;
}
if (!sm_cameraCommands.ContainsKey(cam))
{
var copyBackground = new CommandBuffer();
copyBackground.name = "Copy fluid background";
int fluidBackgroundID = Shader.PropertyToID("_FluidBackground");
copyBackground.GetTemporaryRT(fluidBackgroundID, -1, -1, 0);
copyBackground.Blit(BuiltinRenderTextureType.CurrentActive, fluidBackgroundID);
cam.AddCommandBuffer(CAMERA_EVENT, copyBackground);
var cameraCommands = new CameraCommands();
cameraCommands.copyBackground = copyBackground;
sm_cameraCommands.Add(cam, cameraCommands);
if (sm_cameraCommands.Count == 1)
{
Camera.onPostRender += RemoveCommandBuffer;
}
}
int depthPass = m_prepareFluidMaterial.FindPass("FluidDepth".ToUpper());
int depthBlurPass = m_prepareFluidMaterial.FindPass("FluidDepthBlur".ToUpper());
if (depthPass != -1 && depthBlurPass != -1 && m_indexBuffer != null)
{
RenderTexture active = RenderTexture.active;
// Depth texture
RenderTextureDescriptor depthDesc = new RenderTextureDescriptor(cam.pixelWidth, cam.pixelHeight);
depthDesc.colorFormat = RenderTextureFormat.RGFloat;
depthDesc.depthBufferBits = 24;
RenderTexture depth = RenderTexture.GetTemporary(depthDesc);
Graphics.SetRenderTarget(depth);
GL.Clear(true, true, new Color(cam.farClipPlane, cam.farClipPlane, 0, 0), 1.0f);
m_prepareFluidMaterial.SetBuffer("_Indices", m_indexBuffer);
m_prepareFluidMaterial.SetBuffer("_Positions", m_positionBuffer);
m_prepareFluidMaterial.SetBuffer("_Anisotropy1", m_anisotropy1Buffer);
m_prepareFluidMaterial.SetBuffer("_Anisotropy2", m_anisotropy2Buffer);
m_prepareFluidMaterial.SetBuffer("_Anisotropy3", m_anisotropy3Buffer);
if (cam.stereoActiveEye != Camera.MonoOrStereoscopicEye.Mono)
{
m_prepareFluidMaterial.SetMatrixArray("_ViewMatrix", new[] { cam.GetStereoViewMatrix(Camera.StereoscopicEye.Left), cam.GetStereoViewMatrix(Camera.StereoscopicEye.Right) });
m_prepareFluidMaterial.SetMatrixArray("_ProjMatrix", new[] { GL.GetGPUProjectionMatrix(cam.GetStereoProjectionMatrix(Camera.StereoscopicEye.Left), active != null), GL.GetGPUProjectionMatrix(cam.GetStereoProjectionMatrix(Camera.StereoscopicEye.Right), active != null) });
m_prepareFluidMaterial.SetInt("_EyeCount", 2);
m_prepareFluidMaterial.SetPass(depthPass);
Graphics.DrawProceduralNow(MeshTopology.Points, m_indexBuffer.count);
}
else
{
m_prepareFluidMaterial.SetMatrixArray("_ViewMatrix", new[] { cam.worldToCameraMatrix, Matrix4x4.identity });
m_prepareFluidMaterial.SetMatrixArray("_ProjMatrix", new[] { GL.GetGPUProjectionMatrix(cam.projectionMatrix, active != null), Matrix4x4.identity });
m_prepareFluidMaterial.SetInt("_EyeCount", 1);
m_prepareFluidMaterial.SetPass(depthPass);
Graphics.DrawProceduralNow(MeshTopology.Points, m_indexBuffer.count);
}
Graphics.SetRenderTarget(active);
// Blur texture
RenderTextureDescriptor depthBlurDesc = new RenderTextureDescriptor(cam.pixelWidth, cam.pixelHeight);
depthBlurDesc.colorFormat = RenderTextureFormat.RGFloat;
depthBlurDesc.depthBufferBits = 0;
RenderTexture depthBlur = RenderTexture.GetTemporary(depthBlurDesc);
Graphics.SetRenderTarget(depthBlur);
GL.Clear(false, true, new Color(cam.farClipPlane, cam.farClipPlane, 0, 0));
m_prepareFluidMaterial.SetFloat("_FarPlane", cam.farClipPlane);
m_prepareFluidMaterial.SetVector("_InvScreen", new Vector2(1.0f / cam.pixelWidth, 1.0f / cam.pixelHeight));
m_prepareFluidMaterial.SetTexture("_DepthTex", depth);
Graphics.Blit(null, m_prepareFluidMaterial, depthBlurPass);
RenderTexture.ReleaseTemporary(depth);
sm_cameraCommands[cam].fluidDepths.Add(depthBlur);
m_fluidMaterial.SetTexture("_DepthTex", depthBlur);
m_fluidMaterial.SetFloat("FLEX_FLIP_Y", active ? 1.0f : 0.0f);
}
}