public void Execute()
{
if (isOrtho)
{
OrthoCam cam = new OrthoCam
{
forward = forward,
up = up,
right = right,
position = 0
};
cam.UpdateTRSMatrix();
viewProj = mul(proj, cam.worldToCameraMatrix);
}
else
{
PerspCam cam = new PerspCam
{
forward = forward,
up = up,
right = right,
position = 0
};
cam.UpdateTRSMatrix();
viewProj = mul(proj, cam.worldToCameraMatrix);
}
invViewProj = inverse(viewProj);
}
public override void FrameUpdate(PipelineCamera camera, ref PipelineCommandData data)
{
float4x4 proj = GL.GetGPUProjectionMatrix(camera.cam.nonJitteredProjectionMatrix, false);
float4x4 viewProj;
if (camera.cam.orthographic)
{
OrthoCam cam = new OrthoCam
{
forward = camera.cam.transform.forward,
up = camera.cam.transform.up,
right = camera.cam.transform.right,
position = 0
};
cam.UpdateTRSMatrix();
viewProj = mul(proj, cam.worldToCameraMatrix);
}
else
{
PerspCam cam = new PerspCam
{
forward = camera.cam.transform.forward,
up = camera.cam.transform.up,
right = camera.cam.transform.right,
position = 0
};
cam.UpdateTRSMatrix();
viewProj = mul(proj, cam.worldToCameraMatrix);
}
CommandBuffer buffer = data.buffer;
buffer.SetGlobalMatrix(_InvSkyVP, inverse(viewProj));
buffer.SetRenderTarget(color: camera.targets.renderTargetIdentifier, depth: ShaderIDs._DepthBufferTexture);
buffer.DrawMesh(GraphicsUtility.mesh, Matrix4x4.identity, skyboxMaterial, 0, 0);
}
public static void GetOrthoCullingPlanes(ref OrthoCam orthoCam, float4 *planes)
{
planes[0] = MathLib.GetPlane(orthoCam.forward, orthoCam.position + orthoCam.forward * orthoCam.farClipPlane);
planes[1] = MathLib.GetPlane(-orthoCam.forward, orthoCam.position + orthoCam.forward * orthoCam.nearClipPlane);
planes[2] = MathLib.GetPlane(-orthoCam.up, orthoCam.position - orthoCam.up * orthoCam.size);
planes[3] = MathLib.GetPlane(orthoCam.up, orthoCam.position + orthoCam.up * orthoCam.size);
planes[4] = MathLib.GetPlane(orthoCam.right, orthoCam.position + orthoCam.right * orthoCam.size);
planes[5] = MathLib.GetPlane(-orthoCam.right, orthoCam.position - orthoCam.right * orthoCam.size);
}
public static void GetFrustumPlanes(ref OrthoCam ortho, float4 *planes)
{
planes[0] = MathLib.GetPlane(ortho.up, ortho.position + ortho.up * ortho.size);
planes[1] = MathLib.GetPlane(-ortho.up, ortho.position - ortho.up * ortho.size);
planes[2] = MathLib.GetPlane(ortho.right, ortho.position + ortho.right * ortho.size);
planes[3] = MathLib.GetPlane(-ortho.right, ortho.position - ortho.right * ortho.size);
planes[4] = MathLib.GetPlane(ortho.forward, ortho.position + ortho.forward * ortho.farClipPlane);
planes[5] = MathLib.GetPlane(-ortho.forward, ortho.position + ortho.forward * ortho.nearClipPlane);
}
public static void GetFrustumCorner(ref OrthoCam orthoCam, float distance, float3 *corners)
{
float3 farPoint = orthoCam.position + distance * orthoCam.forward;
float3 upVec = orthoCam.size * orthoCam.up;
float3 rightVec = orthoCam.size * orthoCam.right;
corners[0] = farPoint - upVec - rightVec;
corners[1] = farPoint - upVec + rightVec;
corners[2] = farPoint + upVec - rightVec;
corners[3] = farPoint + upVec + rightVec;
}
public static void GetFrustumCorner(ref OrthoCam orthoCam, float3 *corners)
{
float3 upVec = orthoCam.size * orthoCam.up;
float3 rightVec = orthoCam.size * orthoCam.right;
void GetCorner(ref OrthoCam ortho, float dist)
{
float3 farPoint = ortho.position + dist * ortho.forward;
corners[0] = farPoint - upVec - rightVec;
corners[1] = farPoint - upVec + rightVec;
corners[2] = farPoint + upVec - rightVec;
corners[3] = farPoint + upVec + rightVec;
corners += 4;
}
GetCorner(ref orthoCam, orthoCam.nearClipPlane);
GetCorner(ref orthoCam, orthoCam.farClipPlane);
}
public override void FrameUpdate(PipelineCamera camera, ref PipelineCommandData data)
{
SkyboxMatrixData skyData = IPerCameraData.GetProperty(camera, () => new SkyboxMatrixData(), this);
float4x4 proj = GL.GetGPUProjectionMatrix(camera.cam.nonJitteredProjectionMatrix, false);
float4x4 viewProj;
if (camera.cam.orthographic)
{
OrthoCam cam = new OrthoCam
{
forward = camera.cam.transform.forward,
up = camera.cam.transform.up,
right = camera.cam.transform.right,
position = 0
};
cam.UpdateTRSMatrix();
viewProj = mul(proj, cam.worldToCameraMatrix);
}
else
{
PerspCam cam = new PerspCam
{
forward = camera.cam.transform.forward,
up = camera.cam.transform.up,
right = camera.cam.transform.right,
position = 0
};
cam.UpdateTRSMatrix();
viewProj = mul(proj, cam.worldToCameraMatrix);
}
CommandBuffer buffer = data.buffer;
buffer.SetGlobalMatrix(_InvSkyVP, inverse(viewProj));
buffer.SetGlobalMatrix(_LastSkyVP, skyData.lastVP);
targets[0] = camera.targets.renderTargetIdentifier;
targets[1] = camera.targets.motionVectorTexture;
buffer.SetRenderTarget(colors: targets, depth: camera.targets.depthBuffer);
buffer.DrawMesh(GraphicsUtility.mesh, Matrix4x4.identity, skyboxMaterial, 0, 0);
skyData.lastVP = viewProj;
}
