diff options
Diffstat (limited to 'src/mesa/math/m_vector.c')
| -rw-r--r-- | src/mesa/math/m_vector.c | 84 |
1 files changed, 39 insertions, 45 deletions
diff --git a/src/mesa/math/m_vector.c b/src/mesa/math/m_vector.c index c5e2fd1de12..dd631376d07 100644 --- a/src/mesa/math/m_vector.c +++ b/src/mesa/math/m_vector.c @@ -1,4 +1,3 @@ - /* * Mesa 3-D graphics library * Version: 3.5 @@ -37,11 +36,12 @@ -/* +/** * Given a vector [count][4] of floats, set all the [][elt] values * to 0 (if elt = 0, 1, 2) or 1.0 (if elt = 3). */ -void _mesa_vector4f_clean_elem( GLvector4f *vec, GLuint count, GLuint elt ) +void +_mesa_vector4f_clean_elem( GLvector4f *vec, GLuint count, GLuint elt ) { static const GLubyte elem_bits[4] = { VEC_DIRTY_0, @@ -54,12 +54,13 @@ void _mesa_vector4f_clean_elem( GLvector4f *vec, GLuint count, GLuint elt ) GLfloat (*data)[4] = (GLfloat (*)[4])vec->start; GLuint i; - for (i = 0 ; i < count ; i++) + for (i = 0; i < count; i++) data[i][elt] = v; vec->flags &= ~elem_bits[elt]; } + static const GLubyte size_bits[5] = { 0, VEC_SIZE_1, @@ -69,40 +70,34 @@ static const GLubyte size_bits[5] = { }; - -/* +/** * Initialize GLvector objects. - * Input: v - the vector object to initialize. - * flags - bitwise-OR of VEC_* flags - * storage - pointer to storage for the vector's data + * \param v the vector object to initialize. + * \param flags bitwise-OR of VEC_* flags + * \param storage pointer to storage for the vector's data */ - - -void _mesa_vector4f_init( GLvector4f *v, GLuint flags, GLfloat (*storage)[4] ) +void +_mesa_vector4f_init( GLvector4f *v, GLuint flags, GLfloat (*storage)[4] ) { v->stride = 4 * sizeof(GLfloat); v->size = 2; /* may change: 2-4 for vertices and 1-4 for texcoords */ v->data = storage; v->start = (GLfloat *) storage; v->count = 0; - v->flags = size_bits[4] | flags ; + v->flags = size_bits[4] | flags; } - - -/* +/** * Initialize GLvector objects and allocate storage. - * Input: v - the vector object - * sz - unused???? - * flags - bitwise-OR of VEC_* flags - * count - number of elements to allocate in vector - * alignment - desired memory alignment for the data (in bytes) + * \param v the vector object + * \param flags bitwise-OR of VEC_* flags + * \param count number of elements to allocate in vector + * \param alignment desired memory alignment for the data (in bytes) */ - - -void _mesa_vector4f_alloc( GLvector4f *v, GLuint flags, GLuint count, - GLuint alignment ) +void +_mesa_vector4f_alloc( GLvector4f *v, GLuint flags, GLuint count, + GLuint alignment ) { v->stride = 4 * sizeof(GLfloat); v->size = 2; @@ -110,20 +105,17 @@ void _mesa_vector4f_alloc( GLvector4f *v, GLuint flags, GLuint count, v->start = (GLfloat *) v->storage; v->data = (GLfloat (*)[4]) v->storage; v->count = 0; - v->flags = size_bits[4] | flags | VEC_MALLOC ; + v->flags = size_bits[4] | flags | VEC_MALLOC; } - - -/* +/** * Vector deallocation. Free whatever memory is pointed to by the * vector's storage field if the VEC_MALLOC flag is set. * DO NOT free the GLvector object itself, though. */ - - -void _mesa_vector4f_free( GLvector4f *v ) +void +_mesa_vector4f_free( GLvector4f *v ) { if (v->flags & VEC_MALLOC) { ALIGN_FREE( v->storage ); @@ -135,13 +127,15 @@ void _mesa_vector4f_free( GLvector4f *v ) } -/* +/** * For debugging */ -void _mesa_vector4f_print( GLvector4f *v, GLubyte *cullmask, GLboolean culling ) +void +_mesa_vector4f_print( const GLvector4f *v, const GLubyte *cullmask, + GLboolean culling ) { - GLfloat c[4] = { 0, 0, 0, 1 }; - const char *templates[5] = { + static const GLfloat c[4] = { 0, 0, 0, 1 }; + static const char *templates[5] = { "%d:\t0, 0, 0, 1\n", "%d:\t%f, 0, 0, 1\n", "%d:\t%f, %f, 0, 1\n", @@ -154,30 +148,32 @@ void _mesa_vector4f_print( GLvector4f *v, GLubyte *cullmask, GLboolean culling ) GLuint j, i = 0, count; _mesa_printf("data-start\n"); - for ( ; d != v->start ; STRIDE_F(d, v->stride), i++) + for (; d != v->start; STRIDE_F(d, v->stride), i++) _mesa_printf(t, i, d[0], d[1], d[2], d[3]); _mesa_printf("start-count(%u)\n", v->count); count = i + v->count; if (culling) { - for ( ; i < count ; STRIDE_F(d, v->stride), i++) + for (; i < count; STRIDE_F(d, v->stride), i++) if (cullmask[i]) _mesa_printf(t, i, d[0], d[1], d[2], d[3]); } else { - for ( ; i < count ; STRIDE_F(d, v->stride), i++) + for (; i < count; STRIDE_F(d, v->stride), i++) _mesa_printf(t, i, d[0], d[1], d[2], d[3]); } - for (j = v->size ; j < 4; j++) { + for (j = v->size; j < 4; j++) { if ((v->flags & (1<<j)) == 0) { _mesa_printf("checking col %u is clean as advertised ", j); - for (i = 0, d = (GLfloat *) v->data ; - i < count && d[j] == c[j] ; - i++, STRIDE_F(d, v->stride)) {}; + for (i = 0, d = (GLfloat *) v->data; + i < count && d[j] == c[j]; + i++, STRIDE_F(d, v->stride)) { + /* no-op */ + } if (i == count) _mesa_printf(" --> ok\n"); @@ -186,5 +182,3 @@ void _mesa_vector4f_print( GLvector4f *v, GLubyte *cullmask, GLboolean culling ) } } } - - |