diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/NXpicture.c | 68 | ||||
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/NXpicturestr.h | 18 |
2 files changed, 18 insertions, 68 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXpicture.c b/nx-X11/programs/Xserver/hw/nxagent/NXpicture.c index 5087fa493..10111adec 100644 --- a/nx-X11/programs/Xserver/hw/nxagent/NXpicture.c +++ b/nx-X11/programs/Xserver/hw/nxagent/NXpicture.c @@ -2051,74 +2051,6 @@ AddTraps (PicturePtr pPicture, (*ps->AddTraps) (pPicture, xOff, yOff, ntrap, traps); } -#define MAX_FIXED_48_16 ((xFixed_48_16) 0x7fffffff) -#define MIN_FIXED_48_16 (-((xFixed_48_16) 1 << 31)) - -Bool -PictureTransformPoint3d (PictTransformPtr transform, - PictVectorPtr vector) -{ - PictVector result; - int i, j; - xFixed_32_32 partial; - xFixed_48_16 v; - - for (j = 0; j < 3; j++) - { - v = 0; - for (i = 0; i < 3; i++) - { - partial = ((xFixed_48_16) transform->matrix[j][i] * - (xFixed_48_16) vector->vector[i]); - v += partial >> 16; - } - if (v > MAX_FIXED_48_16 || v < MIN_FIXED_48_16) - return FALSE; - result.vector[j] = (xFixed) v; - } - if (!result.vector[2]) - return FALSE; - *vector = result; - return TRUE; -} - - -Bool -PictureTransformPoint (PictTransformPtr transform, - PictVectorPtr vector) -{ - PictVector result; - int i, j; - xFixed_32_32 partial; - xFixed_48_16 v; - - for (j = 0; j < 3; j++) - { - v = 0; - for (i = 0; i < 3; i++) - { - partial = ((xFixed_48_16) transform->matrix[j][i] * - (xFixed_48_16) vector->vector[i]); - v += partial >> 16; - } - if (v > MAX_FIXED_48_16 || v < MIN_FIXED_48_16) - return FALSE; - result.vector[j] = (xFixed) v; - } - if (!result.vector[2]) - return FALSE; - for (j = 0; j < 2; j++) - { - partial = (xFixed_48_16) result.vector[j] << 16; - v = partial / result.vector[2]; - if (v > MAX_FIXED_48_16 || v < MIN_FIXED_48_16) - return FALSE; - vector->vector[j] = (xFixed) v; - } - vector->vector[2] = xFixed1; - return TRUE; -} - #ifndef True # define True 1 #endif diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXpicturestr.h b/nx-X11/programs/Xserver/hw/nxagent/NXpicturestr.h index 75e051ce1..68fe80c37 100644 --- a/nx-X11/programs/Xserver/hw/nxagent/NXpicturestr.h +++ b/nx-X11/programs/Xserver/hw/nxagent/NXpicturestr.h @@ -687,4 +687,22 @@ void PanoramiXRenderInit (void); void PanoramiXRenderReset (void); #endif +/* + * matrix.c + */ + +extern _X_EXPORT void +PictTransform_from_xRenderTransform(PictTransformPtr pict, + xRenderTransform * render); + +extern _X_EXPORT void +xRenderTransform_from_PictTransform(xRenderTransform * render, + PictTransformPtr pict); + +extern _X_EXPORT Bool + PictureTransformPoint(PictTransformPtr transform, PictVectorPtr vector); + +extern _X_EXPORT Bool + PictureTransformPoint3d(PictTransformPtr transform, PictVectorPtr vector); + #endif /* _PICTURESTR_H_ */ |