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export raw histogram data

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This commit is contained in:
Claude Heiland-Allen
2023-12-05 11:18:40 +00:00
parent 6ef145e76e
commit a7b4cc70d6
10 changed files with 122 additions and 6 deletions
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16
Source/EmberCommon/EmberCommon.h
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@ -310,10 +310,13 @@ static void Rgba32ToRgbaExr(const v4F* rgba, Rgba* ilmfRgba, size_t width, size_
/// <param name="width">The width of the image in pixels</param>
/// <param name="height">The height of the image in pixels</param>
/// <param name="doAlpha">True to use alpha transparency, false to assign the max alpha value to make each pixel fully visible</param>
static void Rgba32ToRgba32Exr(const v4F* rgba, float* r, float* g, float* b, float* a, size_t width, size_t height, bool doAlpha)
/// <param name="doClamp">True to clamp output to 0..1, false to use full high dynamic range</param>
static void Rgba32ToRgba32Exr(const v4F* rgba, float* r, float* g, float* b, float* a, size_t width, size_t height, bool doAlpha, bool doClamp)
{
if (rgba != nullptr && r != nullptr && g != nullptr && b != nullptr && a != nullptr)
{
if (doClamp)
{
for (size_t i = 0; i < (width * height); i++)
{
r[i] = Clamp<float>(Sqr(rgba[i].r), 0.0f, 1.0f);
@ -321,6 +324,17 @@ static void Rgba32ToRgba32Exr(const v4F* rgba, float* r, float* g, float* b, flo
b[i] = Clamp<float>(Sqr(rgba[i].b), 0.0f, 1.0f);
a[i] = doAlpha ? Clamp<float>(rgba[i].a * 1.0f, 0.0f, 1.0f) : 1.0f;
}
}
else
{
for (size_t i = 0; i < (width * height); i++)
{
r[i] = rgba[i].r;
g[i] = rgba[i].g;
b[i] = rgba[i].b;
a[i] = rgba[i].a;
}
}
}
}