public void fromBuffer(CubeBuffer src)
{
clear();
faceSize = src.faceSize;
pixels = new Color[src.pixels.Length];
pixelCopy(ref pixels, 0, src.pixels, 0, pixels.Length);
}
private void gatherLights(ref mset.CubeBuffer cube)
{
ps.lights = new Color[cube.pixels.Length];
mset.CubeBuffer.pixelCopy(ref ps.lights, 0, cube.pixels, 0, cube.pixels.Length);
ps.lightCount = (ulong)ps.lights.LongLength;
ulong faceSize = (ulong)cube.faceSize;
ps.lightDirs = new mset.DirLookup[ps.lightCount];
Vector3 vec = new Vector3();
for (ulong face = 0; face < 6; ++face)
{
for (ulong y = 0; y < faceSize; ++y)
{
for (ulong x = 0; x < faceSize; ++x)
{
ulong i = face * faceSize * faceSize + y * faceSize + x;
mset.Util.invCubeLookup(ref vec, ref ps.lightDirs[i].weight, face, x, y, faceSize);
ps.lights[i] *= ps.lightDirs[i].weight;
ps.lightDirs[i].weight = 1f;
ps.lightDirs[i].x = vec.x;
ps.lightDirs[i].y = vec.y;
ps.lightDirs[i].z = vec.z;
}
}
}
}
public CubemapGUI(Type _type, bool _inspector)
{
type = _type;
mipmapped = type == Type.SIM;
inputPath = "";
clear();
inspector = _inspector;
buffers = new CubeBuffer[4];
for (int i = 0; i < buffers.Length; ++i)
{
buffers[i] = new CubeBuffer();
}
if (lightGizmo == null)
{
lightGizmo = Resources.Load("light") as Texture2D;
}
if (pickerIcon == null)
{
if (EditorGUIUtility.isProSkin)
{
pickerIcon = Resources.Load("white_picker") as Texture2D;
}
else
{
pickerIcon = Resources.Load("picker") as Texture2D;
}
}
}
public void resampleToBuffer(ref CubeBuffer dst)
{
int dstFaceLength = dst.faceSize * dst.faceSize;
for (int face = 0; face < 6; ++face)
{
resampleFace(ref dst.pixels, face * dstFaceLength, face, dst.faceSize, false);
}
}
public void resampleToBuffer(ref CubeBuffer dst, float exposureMult)
{
int dstFaceLength = dst.faceSize * dst.faceSize;
for (int face = 0; face < 6; ++face)
{
resampleFace(ref dst.pixels, face * dstFaceLength, face, dst.faceSize, false);
dst.applyExposure(exposureMult);
}
}
public static void projectCubeBuffer(ref mset.SHEncoding sh, CubeBuffer cube)
{
sh.clearToBlack();
float totalarea = 0f;
ulong faceSize = (ulong)cube.faceSize;
float[] dc = new float[9];
Vector3 u = Vector3.zero;
for (ulong face = 0; face < 6; ++face)
{
for (ulong y = 0; y < faceSize; ++y)
{
for (ulong x = 0; x < faceSize; ++x)
{
//compute cube direction
float areaweight = 1f;
mset.Util.invCubeLookup(ref u, ref areaweight, face, x, y, faceSize);
float shscale = 4f / 3f;
ulong index = face * faceSize * faceSize + y * faceSize + x;
Color rgba = cube.pixels[index];
//project on basis functions, and accumulate
dc[0] = project_l0_m0(u);
dc[1] = project_l1_mneg1(u);
dc[2] = project_l1_m0(u);
dc[3] = project_l1_m1(u);
dc[4] = project_l2_mneg2(u);
dc[5] = project_l2_mneg1(u);
dc[6] = project_l2_m0(u);
dc[7] = project_l2_m1(u);
dc[8] = project_l2_m2(u);
for (int i = 0; i < 9; ++i)
{
sh.c[3 * i + 0] += shscale * areaweight * rgba[0] * dc[i];
sh.c[3 * i + 1] += shscale * areaweight * rgba[1] * dc[i];
sh.c[3 * i + 2] += shscale * areaweight * rgba[2] * dc[i];
}
totalarea += areaweight;
}
}
}
//complete the integration by dividing by total area
scale(ref sh, 16f / totalarea);
}
public void init()
{
CONVO = new CubeBuffer();
IN = new CubeBuffer();
}
public void updatePreview()
{
if (locked || !input)
{
return;
}
int previewFaceSize = previewWidth / 4;
int previewHeight = previewFaceSize;
switch (previewLayout)
{
case Layout.ROW:
previewHeight = previewFaceSize;
break;
case Layout.CROSS:
previewHeight = 3 * previewFaceSize;
break;
case Layout.PANO:
previewHeight = 2 * previewFaceSize;
break;
}
;
if (!preview)
{
preview = new Texture2D(previewWidth, previewHeight, TextureFormat.ARGB32, false, true);
preview.hideFlags |= HideFlags.DontSave; //do not save this and do not clear it coming back from play mode
}
else if (preview.width != previewWidth || preview.height != previewHeight)
{
preview.Resize(previewWidth, previewHeight);
}
if (previewLayout == Layout.CROSS)
{
Util.clearTo2D(ref preview, Color.black);
}
int faceSize = buffers[0].faceSize;
//many input formats don't have mipmapped buffers, sample high mip
bool splitMips = mipmapped &&
faceSize > 8 &&
!buffers[1].empty() &&
!buffers[2].empty() &&
!buffers[3].empty();
float gamma = 1f;
if (!assetLinear) //renderLinear) {
//if linear-space rendering, we're expecting a gamma curve to be applied to the image before display
{
gamma *= Gamma.toSRGB;
}
if (previewLayout == Layout.PANO)
{
ulong w = (ulong)previewWidth;
ulong h = (ulong)previewHeight;
Color pixel = new Color();
for (ulong x = 0; x < w; ++x)
{
for (ulong y = 0; y < h; ++y)
{
float u = 0f;
float v = 0f;
ulong face = 0;
Util.latLongToCubeLookup(ref u, ref v, ref face, x, y, w, h);
int mip = 0;
if (splitMips)
{
mip = (int)(x * 4 / w);
}
buffers[mip].sample(ref pixel, u, v, (int)face);
pixel.r = Mathf.Clamp01(pixel.r);
pixel.g = Mathf.Clamp01(pixel.g);
pixel.b = Mathf.Clamp01(pixel.b);
if (gamma != 1f)
{
Util.applyGamma(ref pixel, gamma);
}
preview.SetPixel((int)x, (int)y, pixel);
}
}
preview.Apply();
}
else
{
Color[] facePixels = new Color[previewFaceSize * previewFaceSize];
int faceCount;
if (previewLayout == Layout.CROSS)
{
faceCount = 6;
}
else
{
faceCount = 4;
}
for (int face = 0; face < faceCount; ++face)
{
int mip = 0;
if (splitMips)
{
mip = face;
if (face >= 4)
{
mip = 1;
}
}
int sampleFace = face;
switch (face)
{
case 0: sampleFace = (int)CubemapFace.NegativeX; break;
case 1: sampleFace = (int)CubemapFace.PositiveZ; break;
case 2: sampleFace = (int)CubemapFace.PositiveX; break;
case 3: sampleFace = (int)CubemapFace.NegativeZ; break;
case 4: sampleFace = (int)CubemapFace.PositiveY; break;
case 5: sampleFace = (int)CubemapFace.NegativeY; break;
}
;
if (buffers[mip].pixels == null)
{
Debug.LogError("null pixels on mip " + mip);
}
buffers[mip].resampleFace(ref facePixels, sampleFace, previewFaceSize, true);
CubeBuffer.encode(ref facePixels, facePixels, ColorMode.RGB8, false);
if (gamma != 1f)
{
Util.applyGamma(ref facePixels, gamma);
}
if (previewLayout == Layout.CROSS)
{
if (face < 4)
{
preview.SetPixels(previewFaceSize * face, 1 * previewFaceSize, previewFaceSize, previewFaceSize, facePixels);
}
else if (face == 4)
{
preview.SetPixels(previewFaceSize * 1, 2 * previewFaceSize, previewFaceSize, previewFaceSize, facePixels);
}
else if (face == 5)
{
preview.SetPixels(previewFaceSize * 1, 0, previewFaceSize, previewFaceSize, facePixels);
}
}
else
{
preview.SetPixels(previewFaceSize * face, 0, previewFaceSize, previewFaceSize, facePixels);
}
}
preview.Apply();
}
}
