diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/main/macros.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h index 59def651a3..4ca7957ffa 100644 --- a/src/mesa/main/macros.h +++ b/src/mesa/main/macros.h @@ -83,28 +83,28 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256]; /** Convert GLuint in [0,4294967295] to GLfloat in [0.0,1.0] */ -#define UINT_TO_FLOAT(U) ((GLfloat) (U) * (1.0F / 4294967295.0F)) +#define UINT_TO_FLOAT(U) ((GLfloat) (U) * (1.0F / 4294967295.0)) /** Convert GLfloat in [0.0,1.0] to GLuint in [0,4294967295] */ -#define FLOAT_TO_UINT(X) ((GLuint) ((X) * 4294967295.0F)) +#define FLOAT_TO_UINT(X) ((GLuint) ((X) * 4294967295.0)) /** Convert GLint in [-2147483648,2147483647] to GLfloat in [-1.0,1.0] */ -#define INT_TO_FLOAT(I) ((2.0F * (I) + 1.0F) * (1.0F/4294967294.0F)) +#define INT_TO_FLOAT(I) ((2.0F * (I) + 1.0F) * (1.0F/4294967294.0)) /** Convert GLfloat in [-1.0,1.0] to GLint in [-2147483648,2147483647] */ /* causes overflow: -#define FLOAT_TO_INT(X) ( (((GLint) (4294967294.0F * (X))) - 1) / 2 ) +#define FLOAT_TO_INT(X) ( (((GLint) (4294967294.0 * (X))) - 1) / 2 ) */ /* a close approximation: */ -#define FLOAT_TO_INT(X) ( (GLint) (2147483647.0F * (X)) ) +#define FLOAT_TO_INT(X) ( (GLint) (2147483647.0 * (X)) ) /** Convert GLint in [-2147483648,2147483647] to GLfloat in [-1.0,1.0], texture/fb data */ -#define INT_TO_FLOAT_TEX(I) ((I) == -2147483648 ? -1.0F : (I) * (1.0F/2147483647.0F)) +#define INT_TO_FLOAT_TEX(I) ((I) == -2147483648 ? -1.0F : (I) * (1.0F/2147483647.0)) /** Convert GLfloat in [-1.0,1.0] to GLint in [-2147483648,2147483647], texture/fb data */ -#define FLOAT_TO_INT_TEX(X) ( (GLint) (2147483647.0F * (X)) ) +#define FLOAT_TO_INT_TEX(X) ( (GLint) (2147483647.0 * (X)) ) #define BYTE_TO_UBYTE(b) ((GLubyte) ((b) < 0 ? 0 : (GLubyte) (b))) |