blender
/
blender
136
404
Fork 586
Code Issues 6.2k Pull Requests 752 Projects 19 Wiki Activity

BMesh: Add additional attribute access macros 

Add macros to get/set boolean attributes, to set float2/float3
attributes and to get float2/float3 attributes via pointer access.
Needed for D14365 and further generic attribute integration.

Differential Revision: https://developer.blender.org/D14708
This commit is contained in:
Martijn Versteegh 2022-04-22 10:35:17 -05:00 committed by Hans Goudey
parent 984cd552f0
commit 8f05a547d5
1 changed files with 74 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
source/blender/bmesh/bmesh_class.h
View File

@ -506,6 +506,18 @@ typedef bool (*BMLoopPairFilterFunc)(const BMLoop *, const BMLoop *, void *user_
#define BM_ELEM_CD_GET_INT(ele, offset) \
(BLI_assert(offset != -1), *((int *)((char *)(ele)->head.data + (offset))))
#define BM_ELEM_CD_SET_BOOL(ele, offset, f) \
{ \
CHECK_TYPE_NONCONST(ele); \
BLI_assert(offset != -1); \
*((bool *)((char *)(ele)->head.data + (offset))) = (f); \
} \
(void)0
#define BM_ELEM_CD_GET_BOOL(ele, offset) \
(BLI_assert(offset != -1), *((bool *)((char *)(ele)->head.data + (offset))))
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
# define BM_ELEM_CD_GET_VOID_P(ele, offset) \
(BLI_assert(offset != -1), \
@ -530,6 +542,68 @@ typedef bool (*BMLoopPairFilterFunc)(const BMLoop *, const BMLoop *, void *user_
#define BM_ELEM_CD_GET_FLOAT(ele, offset) \
(BLI_assert(offset != -1), *((float *)((char *)(ele)->head.data + (offset))))
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
# define BM_ELEM_CD_GET_FLOAT_P(ele, offset) \
(BLI_assert(offset != -1), \
_Generic(ele, \
GENERIC_TYPE_ANY((float *)POINTER_OFFSET((ele)->head.data, offset), \
_BM_GENERIC_TYPE_ELEM_NONCONST), \
GENERIC_TYPE_ANY((const float *)POINTER_OFFSET((ele)->head.data, offset), \
_BM_GENERIC_TYPE_ELEM_CONST)))
# define BM_ELEM_CD_GET_FLOAT2_P(ele, offset) \
(BLI_assert(offset != -1), \
_Generic(ele, \
GENERIC_TYPE_ANY((float (*)[2])POINTER_OFFSET((ele)->head.data, offset), \
_BM_GENERIC_TYPE_ELEM_NONCONST), \
GENERIC_TYPE_ANY((const float (*)[2])POINTER_OFFSET((ele)->head.data, offset), \
_BM_GENERIC_TYPE_ELEM_CONST)))
# define BM_ELEM_CD_GET_FLOAT3_P(ele, offset) \
(BLI_assert(offset != -1), \
_Generic(ele, \
GENERIC_TYPE_ANY((float (*)[3])POINTER_OFFSET((ele)->head.data, offset), \
_BM_GENERIC_TYPE_ELEM_NONCONST), \
GENERIC_TYPE_ANY((const float (*)[3])POINTER_OFFSET((ele)->head.data, offset), \
_BM_GENERIC_TYPE_ELEM_CONST)))
#else
# define BM_ELEM_CD_GET_FLOAT_P(ele, offset) \
(BLI_assert(offset != -1), (float *)((char *)(ele)->head.data + (offset)))
# define BM_ELEM_CD_GET_FLOAT2_P(ele, offset) \
(BLI_assert(offset != -1), (float (*)[2])((char *)(ele)->head.data + (offset)))
# define BM_ELEM_CD_GET_FLOAT3_P(ele, offset) \
(BLI_assert(offset != -1), (float (*)[3])((char *)(ele)->head.data + (offset)))
#endif
#define BM_ELEM_CD_SET_FLOAT2(ele, offset, f) \
{ \
CHECK_TYPE_NONCONST(ele); \
BLI_assert(offset != -1); \
((float *)((char *)(ele)->head.data + (offset)))[0] = (f)[0]; \
((float *)((char *)(ele)->head.data + (offset)))[1] = (f)[1]; \
} \
(void)0
#define BM_ELEM_CD_SET_FLOAT3(ele, offset, f) \
{ \
CHECK_TYPE_NONCONST(ele); \
BLI_assert(offset != -1); \
((float *)((char *)(ele)->head.data + (offset)))[0] = (f)[0]; \
((float *)((char *)(ele)->head.data + (offset)))[1] = (f)[1]; \
((float *)((char *)(ele)->head.data + (offset)))[2] = (f)[2]; \
} \
(void)0
#define BM_ELEM_CD_GET_FLOAT_AS_UCHAR(ele, offset) \
(BLI_assert(offset != -1), (uchar)(BM_ELEM_CD_GET_FLOAT(ele, offset) * 255.0f))