public static RenderTexture RenderRCSMPerPixel(Texture2D src, int steps)
{
RenderTexture[] blitTextures = new RenderTexture[2];
for (int i = 0; i < 2; i++)
{
blitTextures[i] = WizardUtils.NewRenderTexture(src);
}
var material = new Material(Shader.Find("Hidden/RCSMWizard/PerPixel"));
material.SetFloat("_Steps", steps);
Graphics.Blit(src, blitTextures[0], material, 0);
Graphics.Blit(src, blitTextures[1], material, 0);
int target = 1;
for (int x = 0; x < src.width; x++)
{
for (int y = 0; y < src.height; y++)
{
target ^= 1;
material.SetVector("_PixelParams", new Vector4(src.width, src.height, x - src.width / 2, y - src.height / 2));
material.SetTexture("_BufferTex", blitTextures[target ^ 1]);
Graphics.Blit(src, blitTextures[target], material, 1);
}
}
blitTextures[target ^ 1].Release();
return(blitTextures[target]);
}
public static RenderTexture RenderRCSMFloodJump(Texture2D src, int steps)
{
RenderTexture[] blitTextures = new RenderTexture[2];
for (int i = 0; i < 2; i++)
{
blitTextures[i] = WizardUtils.NewRenderTexture(src);
}
var material = new Material(Shader.Find("Hidden/RCSMWizard/JumpFlood"));
material.SetFloat("_Steps", steps);
material.SetVector(
"_PixelParams",
new Vector4(
src.width,
src.height,
0,
0
)
);
Graphics.Blit(src, blitTextures[0], material, 2);
Graphics.Blit(src, blitTextures[1], material, 2);
int target = 0;
int jump = 2;
material.SetVector(
"_PixelParams",
new Vector4(
blitTextures[target].width,
blitTextures[target].height,
Vector2.Distance(Vector2.zero, new Vector2(blitTextures[target].width, blitTextures[target].height)),
jump
)
);
int size = Mathf.Min(src.width, src.height);
while (size > 1)
{
target ^= 1; jump <<= 1; size >>= 1;
material.SetVector(
"_PixelParams",
new Vector4(
blitTextures[target].width,
blitTextures[target].height,
0,
jump
)
);
Graphics.Blit(blitTextures[target ^ 1], blitTextures[target], material, 1);
}
target ^= 1;
Graphics.Blit(blitTextures[target ^ 1], blitTextures[target], material, 3);
blitTextures[target ^ 1].Release();
return(blitTextures[target]);
}
public static RenderTexture PackRCSM(Texture src, Texture cone, Texture normal)
{
RenderTexture dst = WizardUtils.NewRenderTexture(src);
var material = new Material(Shader.Find("Hidden/RCSMWizard/Pack"));
material.SetVector("_PixelParams", new Vector4(src.width, src.height, 0, 0));
material.SetTexture("_Cone", cone);
material.SetTexture("_Normal", normal);
Graphics.Blit(src, dst, material, 0);
return(dst);
}
public static RenderTexture ImportNormal(Texture src)
{
if (src == null)
{
src = Texture2D.normalTexture;
}
RenderTexture dst = WizardUtils.NewRenderTexture(src);
var material = new Material(Shader.Find("Hidden/RCSMWizard/Normal"));
material.SetVector("_PixelParams", new Vector4(src.width, src.height, 0, 0));
Graphics.Blit(src, dst, material, 1);
return(dst);
}
public static RenderTexture RenderNormal(Texture2D src)
{
RenderTexture dst = WizardUtils.NewRenderTexture(src);
var material = new Material(Shader.Find("Hidden/RCSMWizard/Normal"));
int s = Mathf.Max(src.width, src.height);
int f = 1;
while (s >= 256)
{
s >>= 1; f <<= 1;
}
material.SetVector("_PixelParams", new Vector4(src.width, src.height, f, 0));
Graphics.Blit(src, dst, material, 0);
return(dst);
}
public static Texture2D RenderSDF(Texture2D source, int distance, float treshold, int upsampling, System.Enum channel, System.Enum mode)
{
Material material = null;
material = new Material(Shader.Find("Hidden/SDFWizard/JumpFlood"));
RenderTexture[] blitTextures = new RenderTexture[2];
int maxDim = Mathf.Max(source.width, source.height);
while (maxDim << upsampling > 2048)
{
upsampling--;
}
upsampling = Mathf.Max(0, upsampling);
for (int i = 0; i < 2; i++)
{
blitTextures[i] = WizardUtils.NewRenderTexture(source, upsampling);
}
int target = 0;
int jump = 2;
material.SetVector(
"_PixelParams",
new Vector4(
blitTextures[target].width,
blitTextures[target].height,
Vector2.Distance(Vector2.zero, new Vector2(blitTextures[target].width, blitTextures[target].height)),
jump
)
);
if (source.wrapMode == TextureWrapMode.Repeat)
{
material.EnableKeyword("__REPEAT");
}
else
{
material.DisableKeyword("__REPEAT");
}
var channelDict = new Dictionary <System.Enum, string>()
{
{ WizardUtils.ColorChannel.Red, "__RED" },
{ WizardUtils.ColorChannel.Green, "__GREEN" },
{ WizardUtils.ColorChannel.Blue, "__BLUE" },
{ WizardUtils.ColorChannel.Alpha, "__ALPHA" },
{ WizardUtils.ColorChannel.mixRGB, "__MIX" }
};
string channelKey;
if (channelDict.TryGetValue(channel, out channelKey))
{
material.EnableKeyword(channelKey);
}
material.SetFloat("_Treshold", treshold);
var exoTexture = new RenderTexture(blitTextures[target]);
Graphics.Blit(source, exoTexture, material, 3);
Graphics.Blit(exoTexture, blitTextures[target], material, 0);
int size = Mathf.Min(source.width, source.height);
while (size > 1)
{
target ^= 1; jump <<= 1; size >>= 1;
material.SetVector(
"_PixelParams",
new Vector4(
blitTextures[target].width,
blitTextures[target].height,
Vector2.Distance(Vector2.zero, new Vector2(blitTextures[target].width, blitTextures[target].height)),
jump
)
);
Graphics.Blit(blitTextures[target ^ 1], blitTextures[target], material, 1);
}
target ^= 1;
Graphics.Blit(exoTexture, blitTextures[target], material, 4);
Graphics.Blit(blitTextures[target ^ 1], exoTexture);
size = Mathf.Min(source.width, source.height);
jump = 2;
target ^= 1;
Graphics.Blit(blitTextures[target ^ 1], blitTextures[target], material, 0);
while (size > 1)
{
target ^= 1; jump <<= 1; size >>= 1;
material.SetVector(
"_PixelParams",
new Vector4(
blitTextures[target].width,
blitTextures[target].height,
Vector2.Distance(Vector2.zero, new Vector2(blitTextures[target].width, blitTextures[target].height)),
jump
)
);
Graphics.Blit(blitTextures[target ^ 1], blitTextures[target], material, 1);
}
target ^= 1;
var outTexture = new RenderTexture(
source.width,
source.height,
8, RenderTextureFormat.ARGB32
);
var modeDict = new Dictionary <System.Enum, string>()
{
{ SDFConverter.RenderingMode.ContourUV, "__MODE_UV_CONTOUR" },
{ SDFConverter.RenderingMode.ContourRGB, "__MODE_RGB_CONTOUR" },
{ SDFConverter.RenderingMode.DistanceOnly, "__MODE_DIST" },
{ SDFConverter.RenderingMode.NearestUV, "__MODE_UV" },
{ SDFConverter.RenderingMode.RGBDistance, "__MODE_RGB_DIST" },
{ SDFConverter.RenderingMode.RGBOnly, "__MODE_RGB" },
};
string modeKey;
if (modeDict.TryGetValue(mode, out modeKey))
{
material.EnableKeyword(modeKey);
}
material.SetFloat("_Distance", distance << upsampling);
material.SetTexture("_ExoTex", exoTexture);
material.SetTexture("_EndoTex", blitTextures[target ^ 1]);
Graphics.Blit(source, outTexture, material, 2);
Texture2D outTexture2D = WizardUtils.RenderTextureToTexture2D(outTexture);
RenderTexture.active = null;
outTexture.Release();
exoTexture.Release();
blitTextures[0].Release();
blitTextures[1].Release();
return(outTexture2D);
}