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Moved the union to inside the functions

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asdqwe 2025-01-26 17:15:01 -03:00
parent 2e1ec8e44c
commit 30dedbc3f4
1 changed files with 10 additions and 7 deletions
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17
src/rtextures.c
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@ -5384,18 +5384,17 @@ int GetPixelDataSize(int width, int height, int format)
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
// Module specific Functions Definition // Module specific Functions Definition
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
union floatUnsignedUnion {
float fm;
unsigned int ui;
};
// Convert half-float (stored as unsigned short) to float // Convert half-float (stored as unsigned short) to float
// REF: https://stackoverflow.com/questions/1659440/32-bit-to-16-bit-floating-point-conversion/60047308#60047308 // REF: https://stackoverflow.com/questions/1659440/32-bit-to-16-bit-floating-point-conversion/60047308#60047308
static float HalfToFloat(unsigned short x) static float HalfToFloat(unsigned short x)
{ {
float result = 0.0f; float result = 0.0f;
union floatUnsignedUnion uni; union
{
float fm;
unsigned int ui;
} uni;
const unsigned int e = (x & 0x7C00) >> 10; // Exponent const unsigned int e = (x & 0x7C00) >> 10; // Exponent
const unsigned int m = (x & 0x03FF) << 13; // Mantissa const unsigned int m = (x & 0x03FF) << 13; // Mantissa
@ -5413,7 +5412,11 @@ static unsigned short FloatToHalf(float x)
{ {
unsigned short result = 0; unsigned short result = 0;
union floatUnsignedUnion uni; union
{
float fm;
unsigned int ui;
} uni;
uni.fm = x; uni.fm = x;
const unsigned int b = uni.ui + 0x00001000; // Round-to-nearest-even: add last bit after truncated mantissa const unsigned int b = uni.ui + 0x00001000; // Round-to-nearest-even: add last bit after truncated mantissa