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Fix incorrect naming of GMISC_INVSQRT_... macros.

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This commit is contained in:
inmarket 2013-11-09 19:13:01 +10:00
parent 190113b91c
commit 53408e2cb3
5 changed files with 15 additions and 15 deletions
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4
demos/modules/gdisp/streaming/gfxconf.h
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@ -25,7 +25,7 @@
#define GFX_USE_GMISC TRUE
#define GMISC_NEED_INVSQRT TRUE
//#define GDISP_INVSQRT_MIXED_ENDIAN TRUE
//#define GDISP_INVSQRT_REAL_SLOW TRUE
//#define GMISC_INVSQRT_MIXED_ENDIAN TRUE
//#define GMISC_INVSQRT_REAL_SLOW TRUE
#endif /* _GFXCONF_H */

4
demos/modules/gdisp/streaming/main.c
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@ -42,11 +42,11 @@
* your processor.
*
* You can modify the implementation of invsqrt() by firstly defining
* #define GDISP_INVSQRT_MIXED_ENDIAN TRUE
* #define GMISC_INVSQRT_MIXED_ENDIAN TRUE
* in your gfxconf.h file.
*
* If it still doesn't work then instead define
* #define GDISP_INVSQRT_REAL_SLOW TRUE
* #define GMISC_INVSQRT_REAL_SLOW TRUE
* in your gfxconf.h file. This should always work although it will probably be slow.
*/
#define BALLCOLOR1 Red

4
gfxconf.example.h
View File

@ -181,8 +181,8 @@
#define GWIN_CONSOLE_USE_BASESTREAM FALSE
#define GWIN_CONSOLE_USE_FLOAT FALSE
#define GWIN_NEED_IMAGE_ANIMATION FALSE
#define GDISP_INVSQRT_MIXED_ENDIAN FALSE
#define GDISP_INVSQRT_REAL_SLOW FALSE
#define GMISC_INVSQRT_MIXED_ENDIAN FALSE
#define GMISC_INVSQRT_REAL_SLOW FALSE
*/
/* Optional Low Level Driver Definitions */

12
include/gmisc/options.h
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@ -53,15 +53,15 @@
* the same endianness. Unfortunately there are some strange
* processors that don't eg. some very early ARM devices.
* For those where the endianness doesn't match you can fix it by
* defining GDISP_INVSQRT_MIXED_ENDIAN.
* defining GMISC_INVSQRT_MIXED_ENDIAN.
* @note This still assumes the processor is using an ieee floating point format.
*
* If you have a software floating point that uses a non-standard
* floating point format (or very strange hardware) then define
* GDISP_INVSQRT_REAL_SLOW and it will do it the hard way.
* GMISC_INVSQRT_REAL_SLOW and it will do it the hard way.
*/
#ifndef GDISP_INVSQRT_MIXED_ENDIAN
#define GDISP_INVSQRT_MIXED_ENDIAN FALSE
#ifndef GMISC_INVSQRT_MIXED_ENDIAN
#define GMISC_INVSQRT_MIXED_ENDIAN FALSE
#endif
/**
* @brief Modifies the @p invsqrt() function to do things the long slow way.
@ -69,8 +69,8 @@
* processor floating point format.
* @note This makes the @p invsqrt() function very slow.
*/
#ifndef GDISP_INVSQRT_REAL_SLOW
#define GDISP_INVSQRT_REAL_SLOW FALSE
#ifndef GMISC_INVSQRT_REAL_SLOW
#define GMISC_INVSQRT_REAL_SLOW FALSE
#endif
/** @} */

6
src/gmisc/trig.c
View File

@ -144,7 +144,7 @@
#if GMISC_NEED_INVSQRT
// Algorithm based on Quake code.
#if GDISP_INVSQRT_REAL_SLOW
#if GMISC_INVSQRT_REAL_SLOW
#include <math.h>
float invsqrt(float n) {
return 1.0/sqrt(n);
@ -157,7 +157,7 @@
x2 = n * 0.5F;
// Convert into an int32 (no binary format conversion)
#if GDISP_INVSQRT_MIXED_ENDIAN
#if GMISC_INVSQRT_MIXED_ENDIAN
((char *)&i)[0] = ((char *)&n)[3];
((char *)&i)[1] = ((char *)&n)[2];
((char *)&i)[2] = ((char *)&n)[1];
@ -170,7 +170,7 @@
i = 0x5F375A86 - (i >> 1); // The quake code used 0x5F3759DF but this is better.
// Convert back to a float (no binary format conversion)
#if GDISP_INVSQRT_MIXED_ENDIAN
#if GMISC_INVSQRT_MIXED_ENDIAN
((char *)&n)[0] = ((char *)&i)[3];
((char *)&n)[1] = ((char *)&i)[2];
((char *)&n)[2] = ((char *)&i)[1];