private void CalculateVpMatrixOffsetsAndTileRects(Camera camera)
{
int counter = 0;
int tileNum = drawInfo.tileX * drawInfo.tileY;
float aspect = camera.aspect;
if (m_VpOffsetParam == null || m_VpOffsetParam.Length != tileNum)
{
m_VpOffsetParam = new Vector4[tileNum];
}
if (m_ScreenRectParam == null || m_ScreenRectParam.Length != tileNum)
{
m_ScreenRectParam = new Vector4[tileNum];
}
float width = 1.0f / (float)drawInfo.tileX;
float height = 1.0f / (float)drawInfo.tileY;
for (int i = 0; i < drawInfo.tileY; ++i)
{
for (int j = 0; j < drawInfo.tileX; ++j)
{
m_VpOffsetParam[counter] = LookingGlassUtil.GetVPMatrixOffsets(aspect, perCameraInfo.fov, perCameraInfo.size, counter, tileNum);
m_ScreenRectParam[counter] = new Vector4(
(j / (float)drawInfo.tileX) * 2.0f - 1.0f + width,
-((i / (float)drawInfo.tileY) * 2.0f - 1.0f + height),
width, height);
++counter;
}
}
}
public override void Execute(ScriptableRenderer renderer, ScriptableRenderContext context, ref RenderingData renderingData)
{
Camera camera = renderingData.cameraData.camera;
LookingGlassUtil.SetupCameraInfo(camera, perCameraInfo.fov, perCameraInfo.size, perCameraInfo.nearClipFactor, perCameraInfo.farClipFactor);
// clear Tile Texture
commandBuffer.SetRenderTarget(dstTiledTexture);
commandBuffer.ClearRenderTarget(true, true, Color.black);
context.ExecuteCommandBuffer(commandBuffer);
// setup
CalculateVpMatrixOffsetsAndTileRects(camera);
Shader.SetGlobalVector("LookingQuiltSize", new Vector4(dstTiledTexture.width, dstTiledTexture.height, 0, 0));
MaterialPropertyBlock materialPropertyBlock = new MaterialPropertyBlock();
materialPropertyBlock.SetVectorArray("LookingVPOffset", m_VpOffsetParam);
materialPropertyBlock.SetVectorArray("LookingScreenRect", m_ScreenRectParam);
DebugSetup(camera, materialPropertyBlock);
Shader.EnableKeyword(LgInstancingShaderKeyword);
// todo メッシュ一覧取得周りの仕組みつくる
var meshFilters = Resources.FindObjectsOfTypeAll <MeshFilter>();
foreach (var meshFilter in meshFilters)
{
var meshRenderer = meshFilter.GetComponent <MeshRenderer>();
var mesh = meshFilter.sharedMesh;
if (mesh == null)
{
continue;
}
if (meshRenderer == null || meshRenderer.sharedMaterial == null)
{
continue;
}
var material = meshRenderer.sharedMaterial;
if (!material.enableInstancing)
{
continue;
}
var matrix = meshFilter.transform.localToWorldMatrix;
this.CalculateInstancingMatrix(ref matrix);
commandBuffer.DrawMeshInstanced(mesh, 0, material, 0, this.m_RenderMatrix,
m_RenderMatrix.Length, materialPropertyBlock);
}
context.ExecuteCommandBuffer(commandBuffer);
context.Submit();
commandBuffer.Clear();
Shader.DisableKeyword(LgInstancingShaderKeyword);
}
public override void Execute(ScriptableRenderer renderer, ScriptableRenderContext context, ref RenderingData renderingData)
{
int w = drawInfo.renderTargetW / drawInfo.tileX;
int h = drawInfo.renderTargetH / drawInfo.tileY;
RenderTextureDescriptor renderTextureDesc = new RenderTextureDescriptor(w, h, RenderTextureFormat.ARGB32, 16);
RenderTexture tempRenderTexture = RenderTexture.GetTemporary(renderTextureDesc);
Camera camera = renderingData.cameraData.camera;
LookingGlassUtil.SetupCameraInfo(camera, perCameraInfo.fov, perCameraInfo.size, perCameraInfo.nearClipFactor, perCameraInfo.farClipFactor);
var opaqueSortFlag = renderingData.cameraData.defaultOpaqueSortFlags;
var opaquedrawSettings = CreateDrawRendererSettings(camera, opaqueSortFlag, rendererConfiguration, renderingData.supportsDynamicBatching);
var transDrawSettings = CreateDrawRendererSettings(camera, SortFlags.CommonTransparent, rendererConfiguration, renderingData.supportsDynamicBatching);
// clear Tile Texture
commandBuffer.SetRenderTarget(dstTiledTexture);
commandBuffer.ClearRenderTarget(true, true, Color.black);
context.ExecuteCommandBuffer(commandBuffer);
context.Submit();
commandBuffer.Clear();
var tileSize = new Vector2(w, h);
int counter = 0;
int tileNum = drawInfo.tileX * drawInfo.tileY;
for (int i = 0; i < drawInfo.tileY; ++i)
{
for (int j = 0; j < drawInfo.tileX; ++j)
{
SetupVPMatrices(context, commandBuffer, camera, counter, tileNum);
commandBuffer.SetRenderTarget(tempRenderTexture);
commandBuffer.ClearRenderTarget(true, true, Color.black);
context.ExecuteCommandBuffer(commandBuffer);
commandBuffer.Clear();
// opaque renderer draw
context.DrawRenderers(renderingData.cullResults.visibleRenderers, ref opaquedrawSettings, m_OpaqueFilterSettings);
// Render objects that did not match any shader pass with error shader
renderer.RenderObjectsWithError(context, ref renderingData.cullResults, camera, m_OpaqueFilterSettings, SortFlags.None);
// transparent renderer Draw
context.DrawRenderers(renderingData.cullResults.visibleRenderers, ref transDrawSettings, m_TransparentFilterSettings);
commandBuffer.CopyTexture(tempRenderTexture, 0, 0, 0, 0, tempRenderTexture.width, tempRenderTexture.height,
dstTiledTexture, 0, 0, j * w, i * h);
context.ExecuteCommandBuffer(commandBuffer);
context.Submit();
++counter;
}
}
commandBuffer.Clear();
RenderTexture.ReleaseTemporary(tempRenderTexture);
}
public static void SetupCameraInfo(Camera camera, float fov, float size, float nearClipFactor, float farClipFactor)
{
camera.fieldOfView = fov;
float adjustedDistance = LookingGlassUtil.GetAdjustedDistance(fov, size);
camera.nearClipPlane = adjustedDistance - nearClipFactor * size;
camera.farClipPlane = adjustedDistance + farClipFactor * size;
camera.transform.position = new Vector3(0, 0, -adjustedDistance);
camera.transform.localRotation = Quaternion.identity;
}
public static Vector4 GetVPMatrixOffsets(float aspect, float fov, float size, int view, int numViews)
{
float adjustedDistance = LookingGlassUtil.GetAdjustedDistance(fov, size);
float verticalAngle = 0.0f;
float horizontalAngle = AngleAtView(view, numViews);
float offsetX = adjustedDistance * Mathf.Tan(horizontalAngle * Mathf.Deg2Rad);
float offsetY = adjustedDistance * Mathf.Tan(verticalAngle * Mathf.Deg2Rad);
Vector4 result = new Vector4(offsetX, offsetY,
offsetX / (size * aspect), offsetY / size);
return(result);
}
private void DebugSetup(Camera camera, MaterialPropertyBlock materialPropertyBlock)
{
int tileNum = drawInfo.tileX * drawInfo.tileY;
Matrix4x4[] lookingView = new Matrix4x4[tileNum];
Matrix4x4[] lookingProjection = new Matrix4x4[tileNum];
Matrix4x4[] lookingVp = new Matrix4x4[tileNum];
int counter = 0;
for (int i = 0; i < drawInfo.tileY; ++i)
{
for (int j = 0; j < drawInfo.tileX; ++j)
{
Matrix4x4 projMatrix = camera.projectionMatrix;
Matrix4x4 viewMatrix = camera.worldToCameraMatrix;
float adjustedDistance = LookingGlassUtil.GetAdjustedDistance(perCameraInfo.fov, perCameraInfo.size);
float verticalAngle = 0.0f;
float horizontalAngle = LookingGlassUtil.AngleAtView(counter, tileNum);
float offsetX = adjustedDistance * Mathf.Tan(horizontalAngle * Mathf.Deg2Rad);
float offsetY = adjustedDistance * Mathf.Tan(verticalAngle * Mathf.Deg2Rad);
// view matrix
viewMatrix.m03 -= offsetX;
viewMatrix.m13 -= offsetY;
// proj matrix
projMatrix.m02 -= offsetX / (perCameraInfo.size * camera.aspect);
projMatrix.m12 -= offsetY / perCameraInfo.size;
lookingView[counter] = viewMatrix;
lookingProjection[counter] = projMatrix;
lookingVp[counter] = viewMatrix * projMatrix;
++counter;
}
}
materialPropertyBlock.SetMatrixArray("LookingView", lookingView);
materialPropertyBlock.SetMatrixArray("LookingProjection", lookingProjection);
materialPropertyBlock.SetMatrixArray("LookingVP", lookingVp);
}
private void SetupVPMatrices(ScriptableRenderContext context, CommandBuffer cmd,
Camera camera,
int view, int numViews)
{
Matrix4x4 projMatrix = camera.projectionMatrix;
Matrix4x4 viewMatrix = camera.worldToCameraMatrix;
var vpOffset = LookingGlassUtil.GetVPMatrixOffsets(
camera.aspect, perCameraInfo.fov, perCameraInfo.size,
view, numViews);
// view matrix
viewMatrix.m03 -= vpOffset.x;
viewMatrix.m13 -= vpOffset.y;
// proj matrix
projMatrix.m02 -= vpOffset.z;
projMatrix.m12 -= vpOffset.w;
cmd.SetViewProjectionMatrices(viewMatrix, projMatrix);
context.ExecuteCommandBuffer(cmd);
cmd.Clear();
}