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Merge pull request #1634 from Azaezel/alpha41/getColorAugs

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add optional mip and face lookups for gbitmap::getcolor
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Brian Roberts 2025-12-22 16:45:44 -06:00 • committed by GitHub
commit 62e8de233c
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2 changed files with 5 additions and 4 deletions
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7
Engine/source/gfx/bitmap/gBitmap.cpp
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@ -721,12 +721,13 @@ LinearColorF GBitmap::sampleTexel(F32 u, F32 v, bool retAlpha) const
} }
//-------------------------------------------------------------------------- //--------------------------------------------------------------------------
bool GBitmap::getColor(const U32 x, const U32 y, ColorI& rColor) const bool GBitmap::getColor(const U32 x, const U32 y, ColorI& rColor, const U32 mipLevel, const U32 face) const
{ {
if (x >= mWidth || y >= mHeight) if (x >= mWidth || y >= mHeight)
return false; return false;
U32 targMip = getNumMipLevels() < mipLevel ? getNumMipLevels()-1 : mipLevel;
const U8* p = getAddress(x, y); U32 targFace = getNumFaces() < face ? getNumFaces()-1 : face;
const U8* p = getAddress(x, y, targMip, targFace);
switch (mInternalFormat) switch (mInternalFormat)
{ {

2
Engine/source/gfx/bitmap/gBitmap.h
View file

@ -223,7 +223,7 @@ public:
bool checkForTransparency(); bool checkForTransparency();
LinearColorF sampleTexel(F32 u, F32 v, bool retAlpha = false) const; LinearColorF sampleTexel(F32 u, F32 v, bool retAlpha = false) const;
bool getColor(const U32 x, const U32 y, ColorI& rColor) const; bool getColor(const U32 x, const U32 y, ColorI& rColor, const U32 mipLevel = 0, const U32 face = 0) const;
bool setColor(const U32 x, const U32 y, const ColorI& rColor); bool setColor(const U32 x, const U32 y, const ColorI& rColor);
U8 getChanelValueAt(U32 x, U32 y, U32 chan); U8 getChanelValueAt(U32 x, U32 y, U32 chan);
U32 getNumFaces() const { return mNumFaces; } U32 getNumFaces() const { return mNumFaces; }