diff options
Diffstat (limited to 'hw/xfree86/ddc/interpret_vdif.c')
-rw-r--r-- | hw/xfree86/ddc/interpret_vdif.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/hw/xfree86/ddc/interpret_vdif.c b/hw/xfree86/ddc/interpret_vdif.c deleted file mode 100644 index 3a17e2f33..000000000 --- a/hw/xfree86/ddc/interpret_vdif.c +++ /dev/null @@ -1,132 +0,0 @@ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <X11/Xarch.h> -#include "xf86DDC.h" -#include "vdif.h" - -static xf86VdifLimitsPtr* get_limits(CARD8 *c); -static xf86VdifGammaPtr* get_gamma(CARD8 *c); -static xf86VdifTimingPtr* get_timings(CARD8 *c); -#if X_BYTE_ORDER == X_BIG_ENDIAN -static CARD32 swap_byte_order(CARD32 c); -#endif - -xf86vdifPtr -xf86InterpretVdif(CARD8 *c) -{ - xf86VdifPtr p = (xf86VdifPtr)c; - xf86vdifPtr vdif; - int i; -#if X_BYTE_ORDER == X_BIG_ENDIAN - int length; -#endif - unsigned long l = 0; - - if (c == NULL) return NULL; -#if X_BYTE_ORDER == X_BIG_ENDIAN - length = swap_byte_order(p->FileLength); - for (i = 0; i < (length >>2); i++) - ((CARD32*)c)[i] = swap_byte_order(((CARD32*)c)[i]) ; -#endif - if (p->VDIFId[0] != 'V' || p->VDIFId[1] != 'D' || p->VDIFId[2] != 'I' - || p->VDIFId[3] != 'F') return NULL; - for ( i = 12; i < p->FileLength; i++) - l += c[i]; - if ( l != p->Checksum) return NULL; - vdif = xalloc(sizeof(xf86vdif)); - vdif->vdif = p; - vdif->limits = get_limits(c); - vdif->timings = get_timings(c); - vdif->gamma = get_gamma(c); - vdif->strings = VDIF_STRING(((xf86VdifPtr)c),0); - xfree(c); - return vdif; -} - -static xf86VdifLimitsPtr* -get_limits(CARD8 *c) -{ - int num, i, j; - xf86VdifLimitsPtr *pp; - xf86VdifLimitsPtr p; - - num = ((xf86VdifPtr)c)->NumberOperationalLimits; - pp = xalloc(sizeof(xf86VdifLimitsPtr) * (num+1)); - p = VDIF_OPERATIONAL_LIMITS(((xf86VdifPtr)c)); - j = 0; - for ( i = 0; i<num; i++) { - if (p->Header.ScnTag == VDIF_OPERATIONAL_LIMITS_TAG) - pp[j++] = p; - VDIF_NEXT_OPERATIONAL_LIMITS(p); - } - pp[j] = NULL; - return pp; -} - -static xf86VdifGammaPtr* -get_gamma(CARD8 *c) -{ - int num, i, j; - xf86VdifGammaPtr *pp; - xf86VdifGammaPtr p; - - num = ((xf86VdifPtr)c)->NumberOptions; - pp = xalloc(sizeof(xf86VdifGammaPtr) * (num+1)); - p = (xf86VdifGammaPtr)VDIF_OPTIONS(((xf86VdifPtr)c)); - j = 0; - for ( i = 0; i<num; i++) - { - if (p->Header.ScnTag == VDIF_GAMMA_TABLE_TAG) - pp[j++] = p; - VDIF_NEXT_OPTIONS(p); - } - pp[j] = NULL; - return pp; -} - -static xf86VdifTimingPtr* -get_timings(CARD8 *c) -{ - int num, num_limits; - int i,j,k; - xf86VdifLimitsPtr lp; - xf86VdifTimingPtr *pp; - xf86VdifTimingPtr p; - - num = ((xf86VdifPtr)c)->NumberOperationalLimits; - lp = VDIF_OPERATIONAL_LIMITS(((xf86VdifPtr)c)); - num_limits = 0; - for (i = 0; i < num; i++) { - if (lp->Header.ScnTag == VDIF_OPERATIONAL_LIMITS_TAG) - num_limits += lp->NumberPreadjustedTimings; - VDIF_NEXT_OPERATIONAL_LIMITS(lp); - } - pp = xalloc(sizeof(xf86VdifTimingPtr) - * (num_limits+1)); - j = 0; - lp = VDIF_OPERATIONAL_LIMITS(((xf86VdifPtr) c)); - for (i = 0; i < num; i++) { - p = VDIF_PREADJUSTED_TIMING(lp); - for (k = 0; k < lp->NumberPreadjustedTimings; k++) { - if (p->Header.ScnTag == VDIF_PREADJUSTED_TIMING_TAG) - pp[j++] = p; - VDIF_NEXT_PREADJUSTED_TIMING(p); - } - VDIF_NEXT_OPERATIONAL_LIMITS(lp); - } - pp[j] = NULL; - return pp; -} - -#if X_BYTE_ORDER == X_BIG_ENDIAN -static CARD32 -swap_byte_order(CARD32 c) -{ - return ((c & 0xFF000000) >> 24) | ((c & 0xFF0000) >> 8) - | ((c & 0xFF00) << 8) | ((c & 0xFF) << 24); -} - -#endif |