void OnRenderImage(RenderTexture src, RenderTexture dst)
{
if (m_material == null)
{
m_material = new Material(m_shader);
m_material.hideFlags = HideFlags.DontSave;
m_quad = MeshUtils.GenerateQuad();
}
UpdateRenderTargets();
switch (m_quality)
{
case Quality.Fast: m_material.EnableKeyword("QUALITY_FAST"); break;
case Quality.Medium: m_material.EnableKeyword("QUALITY_MEDIUM"); break;
case Quality.High: m_material.EnableKeyword("QUALITY_HIGH"); break;
case Quality.VeryHigh: m_material.EnableKeyword("QUALITY_ULTRA"); break;
}
m_reflection_buffers[1].filterMode = FilterMode.Point;
m_material.SetVector("_Params0", new Vector4(m_intensity, m_raymarch_distance, m_ray_diffusion, m_falloff_distance));
m_material.SetVector("_Params1", new Vector4(m_max_accumulation, m_ray_hit_radius, 0.0f, 0.0f));
m_material.SetTexture("_ReflectionBuffer", m_reflection_buffers[1]);
m_material.SetTexture("_AccumulationBuffer", m_accumulation_buffers[1]);
m_material.SetTexture("_MainTex", src);
m_rb[0] = m_reflection_buffers[0].colorBuffer;
m_rb[1] = m_accumulation_buffers[0].colorBuffer;
Graphics.SetRenderTarget(m_rb, m_reflection_buffers[0].depthBuffer);
m_material.SetPass(0);
Graphics.DrawMeshNow(m_quad, Matrix4x4.identity);
m_reflection_buffers[0].filterMode = FilterMode.Bilinear;
Graphics.SetRenderTarget(dst);
m_material.SetTexture("_ReflectionBuffer", m_reflection_buffers[0]);
m_material.SetTexture("_AccumulationBuffer", m_accumulation_buffers[0]);
m_material.SetPass(1);
Graphics.Blit(src, dst, m_material, 1);
Swap(ref m_reflection_buffers[0], ref m_reflection_buffers[1]);
Swap(ref m_accumulation_buffers[0], ref m_accumulation_buffers[1]);
}
void Reset()
{
m_sh_gbuffer_copy = AssetDatabase.LoadAssetAtPath <Shader>("Assets/Ist/GBufferUtils/Shaders/GBufferCopy.shader");
m_sh_depth_to_velocity = AssetDatabase.LoadAssetAtPath <Shader>("Assets/Ist/GBufferUtils/Shaders/DepthToVelocity.shader");
m_quad = MeshUtils.GenerateQuad();
}
void OnRenderImage(RenderTexture src, RenderTexture dst)
{
GetComponent <GBufferUtils>().UpdateVelocityBuffer();
if (m_material == null)
{
m_material = new Material(m_shader);
m_material.hideFlags = HideFlags.DontSave;
m_quad = MeshUtils.GenerateQuad();
}
UpdateRenderTargets();
switch (m_sample_count)
{
case SampleCount.Low:
m_material.EnableKeyword("SAMPLES_LOW");
m_material.DisableKeyword("SAMPLES_MEDIUM");
m_material.DisableKeyword("SAMPLES_HIGH");
break;
case SampleCount.Medium:
m_material.DisableKeyword("SAMPLES_LOW");
m_material.EnableKeyword("SAMPLES_MEDIUM");
m_material.DisableKeyword("SAMPLES_HIGH");
break;
case SampleCount.High:
m_material.DisableKeyword("SAMPLES_LOW");
m_material.DisableKeyword("SAMPLES_MEDIUM");
m_material.EnableKeyword("SAMPLES_HIGH");
break;
}
if (m_dangerous_samples)
{
m_material.EnableKeyword("ENABLE_DANGEROUS_SAMPLES");
}
else
{
m_material.DisableKeyword("ENABLE_DANGEROUS_SAMPLES");
}
#if UNITY_EDITOR
switch (m_debug_option)
{
case DebugOption.Off:
m_material.EnableKeyword("DEBUG_OFF");
m_material.DisableKeyword("DEBUG_SHOW_AO");
m_material.DisableKeyword("DEBUG_SHOW_VELOCITY");
m_material.DisableKeyword("DEBUG_SHOW_VIEW_NORMAL");
break;
case DebugOption.ShowAO:
m_material.DisableKeyword("DEBUG_OFF");
m_material.EnableKeyword("DEBUG_SHOW_AO");
m_material.DisableKeyword("DEBUG_SHOW_VELOCITY");
m_material.DisableKeyword("DEBUG_SHOW_VIEW_NORMAL");
break;
case DebugOption.ShowVelocity:
m_material.DisableKeyword("DEBUG_OFF");
m_material.DisableKeyword("DEBUG_SHOW_AO");
m_material.EnableKeyword("DEBUG_SHOW_VELOCITY");
m_material.DisableKeyword("DEBUG_SHOW_VIEW_NORMAL");
break;
case DebugOption.ShowViewNormal:
m_material.DisableKeyword("DEBUG_OFF");
m_material.DisableKeyword("DEBUG_SHOW_AO");
m_material.DisableKeyword("DEBUG_SHOW_VELOCITY");
m_material.EnableKeyword("DEBUG_SHOW_VIEW_NORMAL");
break;
}
#endif
m_material.SetVector("_Params0", new Vector4(m_radius, m_intensity, m_max_accumulation, 0.0f));
m_material.SetTexture("_AOBuffer", m_ao_buffer[1]);
m_material.SetTexture("_MainTex", src);
// accumulate ao
Graphics.SetRenderTarget(m_ao_buffer[0]);
m_material.SetPass(0);
Graphics.DrawMeshNow(m_quad, Matrix4x4.identity);
if (m_blur_size > 0.0f)
{
int w = (int)(m_ao_buffer[0].width * 1.0f);
int h = (int)(m_ao_buffer[0].height * 1.0f);
var tmp1 = RenderTexture.GetTemporary(w, h, 0, RenderTextureFormat.RGHalf);
var tmp2 = RenderTexture.GetTemporary(w, h, 0, RenderTextureFormat.RGHalf);
tmp1.filterMode = FilterMode.Trilinear;
tmp2.filterMode = FilterMode.Trilinear;
// horizontal blur
Graphics.SetRenderTarget(tmp1);
m_material.SetTexture("_AOBuffer", m_ao_buffer[0]);
m_material.SetVector("_BlurOffset", new Vector4(m_blur_size / src.width, 0.0f, 0.0f, 0.0f));
m_material.EnableKeyword("BLUR_HORIZONTAL");
m_material.SetPass(1);
Graphics.DrawMeshNow(m_quad, Matrix4x4.identity);
m_material.DisableKeyword("BLUR_HORIZONTAL");
// vertical blur
Graphics.SetRenderTarget(tmp2);
m_material.SetTexture("_AOBuffer", tmp1);
m_material.SetVector("_BlurOffset", new Vector4(0.0f, m_blur_size / src.height, 0.0f, 0.0f));
m_material.EnableKeyword("BLUR_VERTICAL");
m_material.SetPass(1);
Graphics.DrawMeshNow(m_quad, Matrix4x4.identity);
m_material.DisableKeyword("BLUR_VERTICAL");
// combine
Graphics.SetRenderTarget(dst);
m_material.SetTexture("_AOBuffer", tmp2);
Graphics.Blit(src, dst, m_material, 2);
RenderTexture.ReleaseTemporary(tmp2);
RenderTexture.ReleaseTemporary(tmp1);
}
else
{
// combine
Graphics.SetRenderTarget(dst);
m_material.SetTexture("_AOBuffer", m_ao_buffer[0]);
Graphics.Blit(src, dst, m_material, 2);
}
Swap(ref m_ao_buffer[0], ref m_ao_buffer[1]);
}
void Reset()
{
m_quad = MeshUtils.GenerateQuad();
m_shader_composite = AssetDatabase.LoadAssetAtPath <Shader>("Assets/Ist/ScreenSpaceBoolean/Shaders/CompositeSub.shader");
}
void Reset()
{
m_sh_gbuffer_copy = AssetDatabase.LoadAssetAtPath("Assets/Ist/GBufferUtils/Shaders/GBufferCopy.shader", typeof(Shader)) as Shader;
m_quad = MeshUtils.GenerateQuad();
}
void OnRenderImage(RenderTexture src, RenderTexture dst)
{
GetComponent <GBufferUtils>().UpdateVelocityBuffer();
if (m_material == null)
{
m_material = new Material(m_shader);
m_quad = MeshUtils.GenerateQuad();
}
UpdateRenderTargets();
switch (m_sample_count)
{
case SampleCount.Low:
m_material.EnableKeyword("SAMPLES_LOW");
m_material.DisableKeyword("SAMPLES_MEDIUM");
m_material.DisableKeyword("SAMPLES_HIGH");
break;
case SampleCount.Medium:
m_material.DisableKeyword("SAMPLES_LOW");
m_material.EnableKeyword("SAMPLES_MEDIUM");
m_material.DisableKeyword("SAMPLES_HIGH");
break;
case SampleCount.High:
m_material.DisableKeyword("SAMPLES_LOW");
m_material.DisableKeyword("SAMPLES_MEDIUM");
m_material.EnableKeyword("SAMPLES_HIGH");
break;
}
if (m_pre_raymarch_pass)
{
m_material.EnableKeyword("ENABLE_PREPASS");
}
else
{
m_material.DisableKeyword("ENABLE_PREPASS");
}
if (m_dangerous_samples)
{
m_material.EnableKeyword("ENABLE_DANGEROUS_SAMPLES");
}
else
{
m_material.DisableKeyword("ENABLE_DANGEROUS_SAMPLES");
}
m_material.SetVector("_Params0", new Vector4(m_intensity, m_raymarch_distance, m_ray_diffusion, m_falloff_distance));
m_material.SetVector("_Params1", new Vector4(m_max_accumulation, m_ray_hit_radius, m_step_boost, 0.0f));
m_material.SetTexture("_ReflectionBuffer", m_reflection_buffers[1]);
m_material.SetTexture("_AccumulationBuffer", m_accumulation_buffers[1]);
m_material.SetTexture("_MainTex", src);
// accumulate reflection
m_rb[0] = m_reflection_buffers[0].colorBuffer;
m_rb[1] = m_accumulation_buffers[0].colorBuffer;
if (m_pre_raymarch_pass)
{
var prepass_buffer = RenderTexture.GetTemporary(
m_reflection_buffers[0].width / 4,
m_reflection_buffers[0].height / 4, 0, RenderTextureFormat.RHalf);
prepass_buffer.filterMode = FilterMode.Bilinear;
// raymarch in low-resolution buffer
Graphics.SetRenderTarget(prepass_buffer);
m_material.SetPass(3);
Graphics.DrawMeshNow(m_quad, Matrix4x4.identity);
// continue raymarch from pre-march result
Graphics.SetRenderTarget(m_rb, m_reflection_buffers[0].depthBuffer);
m_material.SetTexture("_PrePassBuffer", prepass_buffer);
m_material.SetPass(0);
Graphics.DrawMeshNow(m_quad, Matrix4x4.identity);
RenderTexture.ReleaseTemporary(prepass_buffer);
}
else
{
Graphics.SetRenderTarget(m_rb, m_reflection_buffers[0].depthBuffer);
m_material.SetPass(0);
Graphics.DrawMeshNow(m_quad, Matrix4x4.identity);
}
var tmp1 = RenderTexture.GetTemporary(m_reflection_buffers[0].width, m_reflection_buffers[0].height, 0, RenderTextureFormat.ARGB32);
var tmp2 = RenderTexture.GetTemporary(m_reflection_buffers[0].width, m_reflection_buffers[0].height, 0, RenderTextureFormat.ARGB32);
tmp1.filterMode = FilterMode.Bilinear;
tmp2.filterMode = FilterMode.Bilinear;
if (m_blur_size > 0.0f)
{
// horizontal blur
Graphics.SetRenderTarget(tmp1);
m_material.SetTexture("_ReflectionBuffer", m_reflection_buffers[0]);
m_material.SetVector("_BlurOffset", new Vector4(m_blur_size / src.width, 0.0f, 0.0f, 0.0f));
m_material.SetPass(1);
Graphics.DrawMeshNow(m_quad, Matrix4x4.identity);
// vertical blur
Graphics.SetRenderTarget(tmp2);
m_material.SetTexture("_ReflectionBuffer", tmp1);
m_material.SetVector("_BlurOffset", new Vector4(0.0f, m_blur_size / src.height, 0.0f, 0.0f));
m_material.SetPass(1);
Graphics.DrawMeshNow(m_quad, Matrix4x4.identity);
}
// combine
Graphics.SetRenderTarget(dst);
m_material.SetTexture("_ReflectionBuffer", m_blur_size > 0.0f ? tmp2 : m_reflection_buffers[0]);
m_material.SetTexture("_AccumulationBuffer", m_accumulation_buffers[0]);
Graphics.Blit(src, dst, m_material, 2);
RenderTexture.ReleaseTemporary(tmp2);
RenderTexture.ReleaseTemporary(tmp1);
Swap(ref m_reflection_buffers[0], ref m_reflection_buffers[1]);
Swap(ref m_accumulation_buffers[0], ref m_accumulation_buffers[1]);
}
