/*
* Fixed point arithmetic macros
*/
-#ifdef FIXED_14
-#define FIXED_ONE 0x00004000
-#define FIXED_HALF 0x00002000
-#define FIXED_FRAC_MASK 0x00003FFF
-#define FIXED_SCALE 16384.0f
-#define FIXED_SHIFT 14
-#else
-#define FIXED_ONE 0x00000800
-#define FIXED_HALF 0x00000400
-#define FIXED_FRAC_MASK 0x000007FF
-#define FIXED_SCALE 2048.0f
-#define FIXED_SHIFT 11
+#ifndef FIXED_FRAC_BITS
+#define FIXED_FRAC_BITS 11
#endif
+
+#define FIXED_SHIFT FIXED_FRAC_BITS
+#define FIXED_ONE (1 << FIXED_SHIFT)
+#define FIXED_HALF (1 << (FIXED_SHIFT-1))
+#define FIXED_FRAC_MASK (FIXED_ONE - 1)
#define FIXED_INT_MASK (~FIXED_FRAC_MASK)
#define FIXED_EPSILON 1
+#define FIXED_SCALE ((float) FIXED_ONE)
+#define FIXED_DBL_SCALE ((double) FIXED_ONE)
#define FloatToFixed(X) (IROUND((X) * FIXED_SCALE))
+#define FixedToDouble(X) ((X) * (1.0 / FIXED_DBL_SCALE))
#define IntToFixed(I) ((I) << FIXED_SHIFT)
#define FixedToInt(X) ((X) >> FIXED_SHIFT)
#define FixedToUns(X) (((unsigned int)(X)) >> FIXED_SHIFT)
GLenum Format; /**< GL_ALPHA, GL_RGB, GL_RGB, etc */
GLenum IntFormat;
GLuint Size; /**< number of entries (rows) in table */
- GLvoid *Table; /**< either GLfloat * or GLchan * */
- GLboolean FloatTable; /**< are entries stored as floats? */
+ GLvoid *Table; /**< points to data of <Type> */
+ GLenum Type; /**< GL_UNSIGNED_BYTE or GL_FLOAT */
GLubyte RedSize;
GLubyte GreenSize;
GLubyte BlueSize;
GLuint NumAluInstructions; /**< GL_ARB_fragment_program */
GLuint NumTexInstructions;
GLuint NumTexIndirections;
+ GLenum FogOption;
struct program_parameter_list *Parameters; /**< array [NumParameters] */
};
/**
* Vertex format to be lazily swapped into current dispatch.
*/
- GLvertexformat *Current;
+ const GLvertexformat *Current;
/**
* \name Record of functions swapped out.