private void SetCameraAndSkybox(int index)
{
RT_MainShader.SetMatrix("_CameraToWorld", MainCamera.cameraToWorldMatrix);
RT_MainShader.SetMatrix("_CameraInverseProjection", MainCamera.projectionMatrix.inverse);
RT_MainShader.SetTexture(index, "_SkyboxTexture", SkyboxTexture);
RT_MainShader.SetInt("_MaxGeneration", MaxRayGeneration);
if (sampleOffset.Count == SamplesPerPixel)
{
return;
}
sampleOffset.Clear();
for (int i = 0; i < SamplesPerPixel; i++)
{
sampleOffset.Add(Random.value);
}
loadBuffer(sampleOffset, ref SampleBuffer, sizeof(float));
SetGlobalBuffer("_SamplesPerPixel", SampleBuffer);
int castShadow;
if (enableShadow == true)
{
castShadow = 1;
}
else
{
castShadow = 0;
}
RT_MainShader.SetInt("_CastShadow", castShadow);
}
private void SetGlobalBuffer(string name, ComputeBuffer buffer)
{
if (buffer != null)
{
RT_MainShader.SetBuffer(0, name, buffer);
}
}
private void initBuffers()
{
int main = RT_MainShader.FindKernel("RTmain");
SetCameraAndSkybox(main);
// Material
loadBuffer(materials, ref MaterialBuffer, sizeof(int) + sizeof(float) * 12);
SetGlobalBuffer("_Materials", MaterialBuffer);
//Lights
loadBuffer(directionalLights, ref DirectionLightBuffer, sizeof(float) * 6);
SetGlobalBuffer("_DirectionalLights", DirectionLightBuffer);
loadBuffer(pointLights, ref PointLightBuffer, sizeof(float) * 7);
SetGlobalBuffer("_PointLights", PointLightBuffer);
}
private void initBVHTreeBuffers()
{
int main = RT_MainShader.FindKernel("RTmain");
SetCameraAndSkybox(main);
// Material
loadBuffer(materials, ref MaterialBuffer, sizeof(int) + sizeof(float) * 12);
SetGlobalBuffer("_Materials", MaterialBuffer);
//Lights
loadBuffer(directionalLights, ref DirectionLightBuffer, sizeof(float) * 6);
SetGlobalBuffer("_DirectionalLights", DirectionLightBuffer);
loadBuffer(pointLights, ref PointLightBuffer, sizeof(float) * 7);
SetGlobalBuffer("_PointLights", PointLightBuffer);
loadBuffer(BVHTreeList, ref BVHTreeListBuffer, sizeof(float) * 6 + sizeof(uint) * 4);
SetGlobalBuffer("_BVHTreeList", BVHTreeListBuffer);
loadBuffer(triangleList, ref triangleListBuffer, sizeof(float) * 12 + sizeof(uint));
SetGlobalBuffer("_TriangleList", triangleListBuffer);
}
