From: Brian Paul Date: Sat, 28 Feb 2009 05:26:18 +0000 (-0700) Subject: mesa: move GLfixed type and related macros to swrast module X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=389d50baff8234fdf4d7bcddeb09658d7d17012d;p=mesa.git mesa: move GLfixed type and related macros to swrast module Fixed point is only used in swrast and sw-based drivers. --- diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 315295b5b33..2801f61948e 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -78,38 +78,6 @@ #endif -/** - * Fixed point data type. - */ -typedef int GLfixed; -/* - * Fixed point arithmetic macros - */ -#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) -#define FixedCeil(X) (((X) + FIXED_ONE - FIXED_EPSILON) & FIXED_INT_MASK) -#define FixedFloor(X) ((X) & FIXED_INT_MASK) -#define FixedToFloat(X) ((X) * (1.0F / FIXED_SCALE)) -#define PosFloatToFixed(X) FloatToFixed(X) -#define SignedFloatToFixed(X) FloatToFixed(X) - - - /** * \name Some forward type declarations */ diff --git a/src/mesa/swrast/s_context.h b/src/mesa/swrast/s_context.h index cdd6fa5048d..6e8d080704d 100644 --- a/src/mesa/swrast/s_context.h +++ b/src/mesa/swrast/s_context.h @@ -288,6 +288,34 @@ swrast_render_finish(GLcontext *ctx) +/* + * Fixed point arithmetic macros + */ +#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) +#define FixedCeil(X) (((X) + FIXED_ONE - FIXED_EPSILON) & FIXED_INT_MASK) +#define FixedFloor(X) ((X) & FIXED_INT_MASK) +#define FixedToFloat(X) ((X) * (1.0F / FIXED_SCALE)) +#define PosFloatToFixed(X) FloatToFixed(X) +#define SignedFloatToFixed(X) FloatToFixed(X) + + + /* * XXX these macros are just bandages for now in order to make * CHAN_BITS==32 compile cleanly. diff --git a/src/mesa/swrast/swrast.h b/src/mesa/swrast/swrast.h index 047f7991e64..015f8a05c3e 100644 --- a/src/mesa/swrast/swrast.h +++ b/src/mesa/swrast/swrast.h @@ -75,6 +75,12 @@ typedef struct { } SWvertex; +/** + * Fixed point data type. + */ +typedef int GLfixed; + + #define FRAG_ATTRIB_CI FRAG_ATTRIB_COL0