void OnPostRender()
{
if (m_quad == null)
{
m_quad = RaymarcherUtils.GenerateQuad();
}
m_material.SetPass(0);
m_material.mainTexture = m_rt;
Graphics.DrawMeshNow(m_quad, Matrix4x4.identity);
}
void UpdateCommandBuffer()
{
var cam = GetComponent <Camera>();
RenderSettings.fogColor = m_fog_color;
if (m_quad == null)
{
m_quad = RaymarcherUtils.GenerateQuad();
}
bool reflesh_command_buffer = false;
Vector2 reso = new Vector2(cam.pixelWidth, cam.pixelHeight);
if (m_resolution_prev != reso)
{
m_resolution_prev = reso;
reflesh_command_buffer = true;
}
if (m_enable_adaptive_prev != m_enable_adaptive)
{
m_enable_adaptive_prev = m_enable_adaptive;
reflesh_command_buffer = true;
}
if (m_dbg_show_steps_prev != m_dbg_show_steps)
{
m_dbg_show_steps_prev = m_dbg_show_steps;
reflesh_command_buffer = true;
}
if (reflesh_command_buffer)
{
reflesh_command_buffer = false;
ClearCommandBuffer();
}
if (m_cb_raymarch == null)
{
if (m_enable_adaptive)
{
RenderTargetIdentifier[] rt;
m_cb_prepass = new CommandBuffer();
m_cb_prepass.name = "Raymarcher Adaptive PrePass";
int odepth = Shader.PropertyToID("ODepth");
int odepth_prev = Shader.PropertyToID("ODepthPrev");
int ovelocity = Shader.PropertyToID("OVelocity");
int qdepth = Shader.PropertyToID("QDepth");
int qdepth_prev = Shader.PropertyToID("QDepthPrev");
int hdepth = Shader.PropertyToID("HDepth");
int hdepth_prev = Shader.PropertyToID("HDepthPrev");
int adepth = Shader.PropertyToID("ADepth");
int adepth_prev = Shader.PropertyToID("ADepthPrev");
m_cb_prepass.GetTemporaryRT(odepth, cam.pixelWidth / 8, cam.pixelHeight / 8, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(odepth_prev, cam.pixelWidth / 8, cam.pixelHeight / 8, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(ovelocity, cam.pixelWidth / 8, cam.pixelHeight / 8, 0, FilterMode.Point, RenderTextureFormat.RHalf);
m_cb_prepass.GetTemporaryRT(qdepth, cam.pixelWidth / 4, cam.pixelHeight / 4, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(qdepth_prev, cam.pixelWidth / 4, cam.pixelHeight / 4, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(hdepth, cam.pixelWidth / 2, cam.pixelHeight / 2, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(hdepth_prev, cam.pixelWidth / 2, cam.pixelHeight / 2, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(adepth, cam.pixelWidth / 1, cam.pixelHeight / 1, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(adepth_prev, cam.pixelWidth / 1, cam.pixelHeight / 1, 0, FilterMode.Point, RenderTextureFormat.RFloat);
rt = new RenderTargetIdentifier[2] {
odepth, ovelocity
};
m_cb_prepass.SetGlobalTexture("g_depth_prev", odepth_prev);
m_cb_prepass.SetRenderTarget(rt, odepth);
m_cb_prepass.DrawMesh(m_quad, Matrix4x4.identity, m_internal_material, 0, 1);
m_cb_prepass.Blit(odepth, odepth_prev);
m_cb_prepass.SetGlobalTexture("g_velocity", ovelocity);
m_cb_prepass.SetRenderTarget(qdepth);
m_cb_prepass.SetGlobalTexture("g_depth", odepth);
m_cb_prepass.SetGlobalTexture("g_depth_prev", qdepth_prev);
m_cb_prepass.DrawMesh(m_quad, Matrix4x4.identity, m_internal_material, 0, 2);
m_cb_prepass.Blit(qdepth, qdepth_prev);
m_cb_prepass.SetRenderTarget(hdepth);
m_cb_prepass.SetGlobalTexture("g_depth", qdepth);
m_cb_prepass.SetGlobalTexture("g_depth_prev", hdepth_prev);
m_cb_prepass.DrawMesh(m_quad, Matrix4x4.identity, m_internal_material, 0, 3);
m_cb_prepass.Blit(hdepth, hdepth_prev);
m_cb_prepass.SetRenderTarget(adepth);
m_cb_prepass.SetGlobalTexture("g_depth", hdepth);
m_cb_prepass.SetGlobalTexture("g_depth_prev", adepth_prev);
m_cb_prepass.DrawMesh(m_quad, Matrix4x4.identity, m_internal_material, 0, 4);
m_cb_prepass.Blit(adepth, adepth_prev);
m_cb_prepass.SetGlobalTexture("g_depth", adepth);
cam.AddCommandBuffer(CameraEvent.BeforeGBuffer, m_cb_prepass);
}
m_cb_raymarch = new CommandBuffer();
m_cb_raymarch.name = "Raymarcher";
m_cb_raymarch.DrawMesh(m_quad, Matrix4x4.identity, m_internal_material, 0, 0);
cam.AddCommandBuffer(CameraEvent.BeforeGBuffer, m_cb_raymarch);
}
}
void OnPreRender()
{
m_material.SetInt("g_frame", Time.frameCount);
m_material.SetInt("g_hdr", m_camera.allowHDR ? 1 : 0);
m_material.SetInt("g_scene", m_scene);
m_material.SetInt("g_enable_adaptive", m_enable_adaptive ? 1 : 0);
m_material.SetInt("g_enable_temporal", m_enable_temporal ? 1 : 0);
m_material.SetInt("g_enable_glowline", m_enable_glowline ? 1 : 0);
RenderSettings.fogColor = m_fog_color;
if (m_quad == null)
{
m_quad = RaymarcherUtils.GenerateQuad();
}
if (m_detailed_quad == null)
{
m_detailed_quad = RaymarcherUtils.GenerateDetailedQuad();
}
bool need_to_reflesh_command_buffer = false;
Vector2 reso = new Vector2(m_camera.pixelWidth, m_camera.pixelHeight);
if (m_resolution_prev != reso)
{
m_resolution_prev = reso;
need_to_reflesh_command_buffer = true;
}
if (m_enable_adaptive_prev != m_enable_adaptive)
{
m_enable_adaptive_prev = m_enable_adaptive;
need_to_reflesh_command_buffer = true;
}
if (m_dbg_show_steps_prev != m_dbg_show_steps)
{
m_dbg_show_steps_prev = m_dbg_show_steps;
need_to_reflesh_command_buffer = true;
}
if (need_to_reflesh_command_buffer)
{
need_to_reflesh_command_buffer = false;
ClearCommandBuffer();
}
if (m_cb_raymarch == null)
{
if (m_enable_adaptive)
{
RenderTargetIdentifier[] rt;
m_cb_prepass = new CommandBuffer();
m_cb_prepass.name = "Raymarcher Adaptive PrePass";
int odepth = Shader.PropertyToID("ODepth");
int odepth_prev = Shader.PropertyToID("ODepthPrev");
int ovelocity = Shader.PropertyToID("OVelocity");
int qdepth = Shader.PropertyToID("QDepth");
int qdepth_prev = Shader.PropertyToID("QDepthPrev");
int hdepth = Shader.PropertyToID("HDepth");
int hdepth_prev = Shader.PropertyToID("HDepthPrev");
int adepth = Shader.PropertyToID("ADepth");
int adepth_prev = Shader.PropertyToID("ADepthPrev");
m_cb_prepass.GetTemporaryRT(odepth, m_camera.pixelWidth / 8, m_camera.pixelHeight / 8, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(odepth_prev, m_camera.pixelWidth / 8, m_camera.pixelHeight / 8, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(ovelocity, m_camera.pixelWidth / 8, m_camera.pixelHeight / 8, 0, FilterMode.Point, RenderTextureFormat.RHalf);
m_cb_prepass.GetTemporaryRT(qdepth, m_camera.pixelWidth / 4, m_camera.pixelHeight / 4, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(qdepth_prev, m_camera.pixelWidth / 4, m_camera.pixelHeight / 4, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(hdepth, m_camera.pixelWidth / 2, m_camera.pixelHeight / 2, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(hdepth_prev, m_camera.pixelWidth / 2, m_camera.pixelHeight / 2, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(adepth, m_camera.pixelWidth / 1, m_camera.pixelHeight / 1, 0, FilterMode.Point, RenderTextureFormat.RFloat);
m_cb_prepass.GetTemporaryRT(adepth_prev, m_camera.pixelWidth / 1, m_camera.pixelHeight / 1, 0, FilterMode.Point, RenderTextureFormat.RFloat);
rt = new RenderTargetIdentifier[2] {
odepth, ovelocity
};
m_cb_prepass.SetGlobalTexture("g_depth_prev", odepth_prev);
m_cb_prepass.SetRenderTarget(rt, odepth);
m_cb_prepass.DrawMesh(m_quad, Matrix4x4.identity, m_material, 0, 1);
m_cb_prepass.Blit(odepth, odepth_prev);
m_cb_prepass.SetGlobalTexture("g_velocity", ovelocity);
m_cb_prepass.SetRenderTarget(qdepth);
m_cb_prepass.SetGlobalTexture("g_depth", odepth);
m_cb_prepass.SetGlobalTexture("g_depth_prev", qdepth_prev);
m_cb_prepass.DrawMesh(m_quad, Matrix4x4.identity, m_material, 0, 2);
m_cb_prepass.Blit(qdepth, qdepth_prev);
m_cb_prepass.SetRenderTarget(hdepth);
m_cb_prepass.SetGlobalTexture("g_depth", qdepth);
m_cb_prepass.SetGlobalTexture("g_depth_prev", hdepth_prev);
m_cb_prepass.DrawMesh(m_quad, Matrix4x4.identity, m_material, 0, 3);
m_cb_prepass.Blit(hdepth, hdepth_prev);
m_cb_prepass.SetRenderTarget(adepth);
m_cb_prepass.SetGlobalTexture("g_depth", hdepth);
m_cb_prepass.SetGlobalTexture("g_depth_prev", adepth_prev);
m_cb_prepass.DrawMesh(m_quad, Matrix4x4.identity, m_material, 0, 4);
m_cb_prepass.Blit(adepth, adepth_prev);
m_cb_prepass.SetGlobalTexture("g_depth", adepth);
m_camera.AddCommandBuffer(CameraEvent.BeforeGBuffer, m_cb_prepass);
}
m_cb_raymarch = new CommandBuffer();
m_cb_raymarch.name = "Raymarcher";
m_cb_raymarch.DrawMesh(m_quad, Matrix4x4.identity, m_material, 0, 0);
m_camera.AddCommandBuffer(CameraEvent.BeforeGBuffer, m_cb_raymarch);
}
}
