diff options
Diffstat (limited to 'src/mesa/math')
-rw-r--r-- | src/mesa/math/m_clip_tmp.h | 44 | ||||
-rw-r--r-- | src/mesa/math/m_debug_clip.c | 31 | ||||
-rw-r--r-- | src/mesa/math/m_debug_util.h | 4 | ||||
-rw-r--r-- | src/mesa/math/m_debug_xform.c | 3 | ||||
-rw-r--r-- | src/mesa/math/m_matrix.c | 26 | ||||
-rw-r--r-- | src/mesa/math/m_matrix.h | 3 | ||||
-rw-r--r-- | src/mesa/math/m_vector.c | 85 | ||||
-rw-r--r-- | src/mesa/math/m_vector.h | 30 | ||||
-rw-r--r-- | src/mesa/math/m_xform.c | 102 | ||||
-rw-r--r-- | src/mesa/math/m_xform.h | 25 | ||||
-rw-r--r-- | src/mesa/math/mathmod.h | 41 |
11 files changed, 138 insertions, 256 deletions
diff --git a/src/mesa/math/m_clip_tmp.h b/src/mesa/math/m_clip_tmp.h index f3a589be05..2e30964057 100644 --- a/src/mesa/math/m_clip_tmp.h +++ b/src/mesa/math/m_clip_tmp.h @@ -44,7 +44,8 @@ static GLvector4f * _XFORMAPI TAG(cliptest_points4)( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLfloat *from = (GLfloat *)clip_vec->start; @@ -66,16 +67,20 @@ static GLvector4f * _XFORMAPI TAG(cliptest_points4)( GLvector4f *clip_vec, mask |= (((cw < -cx) << CLIP_LEFT_SHIFT)); mask |= (((cw < cy) << CLIP_TOP_SHIFT)); mask |= (((cw < -cy) << CLIP_BOTTOM_SHIFT)); - mask |= (((cw < cz) << CLIP_FAR_SHIFT)); - mask |= (((cw < -cz) << CLIP_NEAR_SHIFT)); + if (viewport_z_clip) { + mask |= (((cw < cz) << CLIP_FAR_SHIFT)); + mask |= (((cw < -cz) << CLIP_NEAR_SHIFT)); + } #else /* !defined(macintosh)) */ GLubyte mask = 0; if (-cx + cw < 0) mask |= CLIP_RIGHT_BIT; if ( cx + cw < 0) mask |= CLIP_LEFT_BIT; if (-cy + cw < 0) mask |= CLIP_TOP_BIT; if ( cy + cw < 0) mask |= CLIP_BOTTOM_BIT; - if (-cz + cw < 0) mask |= CLIP_FAR_BIT; - if ( cz + cw < 0) mask |= CLIP_NEAR_BIT; + if (viewport_z_clip) { + if (-cz + cw < 0) mask |= CLIP_FAR_BIT; + if ( cz + cw < 0) mask |= CLIP_NEAR_BIT; + } #endif /* defined(macintosh) */ clipMask[i] = mask; @@ -119,7 +124,8 @@ static GLvector4f * _XFORMAPI TAG(cliptest_np_points4)( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLuint count = clip_vec->count; @@ -141,16 +147,20 @@ static GLvector4f * _XFORMAPI TAG(cliptest_np_points4)( GLvector4f *clip_vec, mask |= (((cw < -cx) << CLIP_LEFT_SHIFT)); mask |= (((cw < cy) << CLIP_TOP_SHIFT)); mask |= (((cw < -cy) << CLIP_BOTTOM_SHIFT)); - mask |= (((cw < cz) << CLIP_FAR_SHIFT)); - mask |= (((cw < -cz) << CLIP_NEAR_SHIFT)); + if (viewport_z_clip) { + mask |= (((cw < cz) << CLIP_FAR_SHIFT)); + mask |= (((cw < -cz) << CLIP_NEAR_SHIFT)); + } #else /* !defined(macintosh)) */ GLubyte mask = 0; if (-cx + cw < 0) mask |= CLIP_RIGHT_BIT; if ( cx + cw < 0) mask |= CLIP_LEFT_BIT; if (-cy + cw < 0) mask |= CLIP_TOP_BIT; if ( cy + cw < 0) mask |= CLIP_BOTTOM_BIT; - if (-cz + cw < 0) mask |= CLIP_FAR_BIT; - if ( cz + cw < 0) mask |= CLIP_NEAR_BIT; + if (viewport_z_clip) { + if (-cz + cw < 0) mask |= CLIP_FAR_BIT; + if ( cz + cw < 0) mask |= CLIP_NEAR_BIT; + } #endif /* defined(macintosh) */ clipMask[i] = mask; @@ -171,7 +181,8 @@ static GLvector4f * _XFORMAPI TAG(cliptest_points3)( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLuint count = clip_vec->count; @@ -187,8 +198,10 @@ static GLvector4f * _XFORMAPI TAG(cliptest_points3)( GLvector4f *clip_vec, else if (cx < -1.0) mask |= CLIP_LEFT_BIT; if (cy > 1.0) mask |= CLIP_TOP_BIT; else if (cy < -1.0) mask |= CLIP_BOTTOM_BIT; - if (cz > 1.0) mask |= CLIP_FAR_BIT; - else if (cz < -1.0) mask |= CLIP_NEAR_BIT; + if (viewport_z_clip) { + if (cz > 1.0) mask |= CLIP_FAR_BIT; + else if (cz < -1.0) mask |= CLIP_NEAR_BIT; + } clipMask[i] = mask; tmpOrMask |= mask; tmpAndMask &= mask; @@ -204,7 +217,8 @@ static GLvector4f * _XFORMAPI TAG(cliptest_points2)( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLuint count = clip_vec->count; @@ -231,7 +245,7 @@ static GLvector4f * _XFORMAPI TAG(cliptest_points2)( GLvector4f *clip_vec, } -static void TAG(init_c_cliptest)( void ) +void TAG(init_c_cliptest)( void ) { _mesa_clip_tab[4] = TAG(cliptest_points4); _mesa_clip_tab[3] = TAG(cliptest_points3); diff --git a/src/mesa/math/m_debug_clip.c b/src/mesa/math/m_debug_clip.c index 460fed4a75..95ae5a347d 100644 --- a/src/mesa/math/m_debug_clip.c +++ b/src/mesa/math/m_debug_clip.c @@ -67,7 +67,8 @@ static GLvector4f *ref_cliptest_points4( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLuint count = clip_vec->count; @@ -87,8 +88,10 @@ static GLvector4f *ref_cliptest_points4( GLvector4f *clip_vec, if ( cx + cw < 0 ) mask |= CLIP_LEFT_BIT; if ( -cy + cw < 0 ) mask |= CLIP_TOP_BIT; if ( cy + cw < 0 ) mask |= CLIP_BOTTOM_BIT; - if ( -cz + cw < 0 ) mask |= CLIP_FAR_BIT; - if ( cz + cw < 0 ) mask |= CLIP_NEAR_BIT; + if (viewport_z_clip) { + if ( -cz + cw < 0 ) mask |= CLIP_FAR_BIT; + if ( cz + cw < 0 ) mask |= CLIP_NEAR_BIT; + } clipMask[i] = mask; if ( mask ) { c++; @@ -122,7 +125,8 @@ static GLvector4f *ref_cliptest_points3( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLuint count = clip_vec->count; @@ -138,8 +142,10 @@ static GLvector4f *ref_cliptest_points3( GLvector4f *clip_vec, else if ( cx < -1.0 ) mask |= CLIP_LEFT_BIT; if ( cy > 1.0 ) mask |= CLIP_TOP_BIT; else if ( cy < -1.0 ) mask |= CLIP_BOTTOM_BIT; - if ( cz > 1.0 ) mask |= CLIP_FAR_BIT; - else if ( cz < -1.0 ) mask |= CLIP_NEAR_BIT; + if (viewport_z_clip) { + if ( cz > 1.0 ) mask |= CLIP_FAR_BIT; + else if ( cz < -1.0 ) mask |= CLIP_NEAR_BIT; + } clipMask[i] = mask; tmpOrMask |= mask; tmpAndMask &= mask; @@ -154,7 +160,8 @@ static GLvector4f * ref_cliptest_points2( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLuint count = clip_vec->count; @@ -163,6 +170,9 @@ static GLvector4f * ref_cliptest_points2( GLvector4f *clip_vec, GLubyte tmpOrMask = *orMask; GLubyte tmpAndMask = *andMask; GLuint i; + + (void) viewport_z_clip; + for ( i = 0 ; i < count ; i++, STRIDE_F(from, stride) ) { const GLfloat cx = from[0], cy = from[1]; GLubyte mask = 0; @@ -208,6 +218,7 @@ static int test_cliptest_function( clip_func func, int np, #ifdef RUN_DEBUG_BENCHMARK int cycle_i; /* the counter for the benchmarks we run */ #endif + GLboolean viewport_z_clip = GL_TRUE; (void) cycles; @@ -247,15 +258,15 @@ static int test_cliptest_function( clip_func func, int np, dco = rco = 0; dca = rca = CLIP_FRUSTUM_BITS; - ref_cliptest[psize]( source, ref, rm, &rco, &rca ); + ref_cliptest[psize]( source, ref, rm, &rco, &rca, viewport_z_clip ); if ( mesa_profile ) { BEGIN_RACE( *cycles ); - func( source, dest, dm, &dco, &dca ); + func( source, dest, dm, &dco, &dca, viewport_z_clip ); END_RACE( *cycles ); } else { - func( source, dest, dm, &dco, &dca ); + func( source, dest, dm, &dco, &dca, viewport_z_clip ); } if ( dco != rco ) { diff --git a/src/mesa/math/m_debug_util.h b/src/mesa/math/m_debug_util.h index 7abe6f2565..2e67db8e55 100644 --- a/src/mesa/math/m_debug_util.h +++ b/src/mesa/math/m_debug_util.h @@ -231,8 +231,8 @@ extern char *mesa_profile; #define BEGIN_RACE(x) \ x = LONG_MAX; \ for (cycle_i = 0; cycle_i <10; cycle_i++) { \ - register long cycle_tmp1 asm("l0"); \ - register long cycle_tmp2 asm("l1"); \ + register long cycle_tmp1 __asm__("l0"); \ + register long cycle_tmp2 __asm__("l1"); \ /* rd %tick, %l0 */ \ __asm__ __volatile__ (".word 0xa1410000" : "=r" (cycle_tmp1)); /* save timestamp */ diff --git a/src/mesa/math/m_debug_xform.c b/src/mesa/math/m_debug_xform.c index ec22c7052d..df8cc066b6 100644 --- a/src/mesa/math/m_debug_xform.c +++ b/src/mesa/math/m_debug_xform.c @@ -206,7 +206,8 @@ static int test_transform_function( transform_func func, int psize, case VAR: break; default: - abort(); + ASSERT(0); + return 0; } } } diff --git a/src/mesa/math/m_matrix.c b/src/mesa/math/m_matrix.c index 84b4cae4ad..da6956efed 100644 --- a/src/mesa/math/m_matrix.c +++ b/src/mesa/math/m_matrix.c @@ -1379,11 +1379,10 @@ _math_matrix_analyse( GLmatrix *mat ) if (mat->inv && (mat->flags & MAT_DIRTY_INVERSE)) { matrix_invert( mat ); + mat->flags &= ~MAT_DIRTY_INVERSE; } - mat->flags &= ~(MAT_DIRTY_FLAGS| - MAT_DIRTY_TYPE| - MAT_DIRTY_INVERSE); + mat->flags &= ~(MAT_DIRTY_FLAGS | MAT_DIRTY_TYPE); } /*@}*/ @@ -1620,3 +1619,24 @@ _math_transposefd( GLfloat to[16], const GLdouble from[16] ) /*@}*/ + +/** + * Transform a 4-element row vector (1x4 matrix) by a 4x4 matrix. This + * function is used for transforming clipping plane equations and spotlight + * directions. + * Mathematically, u = v * m. + * Input: v - input vector + * m - transformation matrix + * Output: u - transformed vector + */ +void +_mesa_transform_vector( GLfloat u[4], const GLfloat v[4], const GLfloat m[16] ) +{ + const GLfloat v0 = v[0], v1 = v[1], v2 = v[2], v3 = v[3]; +#define M(row,col) m[row + col*4] + u[0] = v0 * M(0,0) + v1 * M(1,0) + v2 * M(2,0) + v3 * M(3,0); + u[1] = v0 * M(0,1) + v1 * M(1,1) + v2 * M(2,1) + v3 * M(3,1); + u[2] = v0 * M(0,2) + v1 * M(1,2) + v2 * M(2,2) + v3 * M(3,2); + u[3] = v0 * M(0,3) + v1 * M(1,3) + v2 * M(2,3) + v3 * M(3,3); +#undef M +} diff --git a/src/mesa/math/m_matrix.h b/src/mesa/math/m_matrix.h index a8d9000e89..3bc5de6cd4 100644 --- a/src/mesa/math/m_matrix.h +++ b/src/mesa/math/m_matrix.h @@ -200,6 +200,9 @@ do { \ } while (0) +extern void +_mesa_transform_vector(GLfloat u[4], const GLfloat v[4], const GLfloat m[16]); + /*@}*/ diff --git a/src/mesa/math/m_vector.c b/src/mesa/math/m_vector.c index c5e2fd1de1..4cbab11a35 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, @@ -69,61 +70,53 @@ 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, GLbitfield 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, GLbitfield flags, GLuint count, + GLuint alignment ) { v->stride = 4 * sizeof(GLfloat); v->size = 2; v->storage = ALIGN_MALLOC( count * 4 * sizeof(GLfloat), alignment ); + v->storage_count = 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 +128,15 @@ 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 +149,32 @@ 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 +183,3 @@ void _mesa_vector4f_print( GLvector4f *v, GLubyte *cullmask, GLboolean culling ) } } } - - diff --git a/src/mesa/math/m_vector.h b/src/mesa/math/m_vector.h index 647388ac7d..71281d5758 100644 --- a/src/mesa/math/m_vector.h +++ b/src/mesa/math/m_vector.h @@ -31,7 +31,6 @@ #define _M_VECTOR_H_ #include "main/glheader.h" -#include "main/mtypes.h" /* hack for GLchan */ #define VEC_DIRTY_0 0x1 @@ -50,7 +49,8 @@ -/* Wrap all the information about vectors up in a struct. Has +/** + * Wrap all the information about vectors up in a struct. Has * additional fields compared to the other vectors to help us track of * different vertex sizes, and whether we need to clean columns out * because they contain non-(0,0,0,1) values. @@ -60,29 +60,27 @@ * the transformation routines. */ typedef struct { - GLfloat (*data)[4]; /* may be malloc'd or point to client data */ - GLfloat *start; /* points somewhere inside of <data> */ - GLuint count; /* size of the vector (in elements) */ - GLuint stride; /* stride from one element to the next (in bytes) */ - GLuint size; /* 2-4 for vertices and 1-4 for texcoords */ - GLuint flags; /* which columns are dirty */ - void *storage; /* self-allocated storage */ + GLfloat (*data)[4]; /**< may be malloc'd or point to client data */ + GLfloat *start; /**< points somewhere inside of <data> */ + GLuint count; /**< size of the vector (in elements) */ + GLuint stride; /**< stride from one element to the next (in bytes) */ + GLuint size; /**< 2-4 for vertices and 1-4 for texcoords */ + GLbitfield flags; /**< bitmask of VEC_x flags */ + void *storage; /**< self-allocated storage */ + GLuint storage_count; /**< storage size in elements */ } GLvector4f; -extern void _mesa_vector4f_init( GLvector4f *v, GLuint flags, +extern void _mesa_vector4f_init( GLvector4f *v, GLbitfield flags, GLfloat (*storage)[4] ); -extern void _mesa_vector4f_alloc( GLvector4f *v, GLuint flags, +extern void _mesa_vector4f_alloc( GLvector4f *v, GLbitfield flags, GLuint count, GLuint alignment ); extern void _mesa_vector4f_free( GLvector4f *v ); -extern void _mesa_vector4f_print( GLvector4f *v, GLubyte *, GLboolean ); +extern void _mesa_vector4f_print( const GLvector4f *v, const GLubyte *, GLboolean ); extern void _mesa_vector4f_clean_elem( GLvector4f *vec, GLuint nr, GLuint elt ); - - - -/* +/** * Given vector <v>, return a pointer (cast to <type *> to the <i>-th element. * * End up doing a lot of slow imuls if not careful. diff --git a/src/mesa/math/m_xform.c b/src/mesa/math/m_xform.c index 901ae5b416..369f2c6e95 100644 --- a/src/mesa/math/m_xform.c +++ b/src/mesa/math/m_xform.c @@ -40,7 +40,6 @@ #include "m_matrix.h" #include "m_translate.h" #include "m_xform.h" -#include "mathmod.h" #ifdef DEBUG_MATH @@ -97,99 +96,6 @@ transform_func *_mesa_transform_tab[5]; #undef ARGS - - -GLvector4f *_mesa_project_points( GLvector4f *proj_vec, - const GLvector4f *clip_vec ) -{ - const GLuint stride = clip_vec->stride; - const GLfloat *from = (GLfloat *)clip_vec->start; - const GLuint count = clip_vec->count; - GLfloat (*vProj)[4] = (GLfloat (*)[4])proj_vec->start; - GLuint i; - - for (i = 0 ; i < count ; i++, STRIDE_F(from, stride)) - { - GLfloat oow = 1.0F / from[3]; - vProj[i][3] = oow; - vProj[i][0] = from[0] * oow; - vProj[i][1] = from[1] * oow; - vProj[i][2] = from[2] * oow; - } - - proj_vec->flags |= VEC_SIZE_4; - proj_vec->size = 3; - proj_vec->count = clip_vec->count; - return proj_vec; -} - - - - - - -/* - * Transform a 4-element row vector (1x4 matrix) by a 4x4 matrix. This - * function is used for transforming clipping plane equations and spotlight - * directions. - * Mathematically, u = v * m. - * Input: v - input vector - * m - transformation matrix - * Output: u - transformed vector - */ -void _mesa_transform_vector( GLfloat u[4], const GLfloat v[4], const GLfloat m[16] ) -{ - GLfloat v0=v[0], v1=v[1], v2=v[2], v3=v[3]; -#define M(row,col) m[row + col*4] - u[0] = v0 * M(0,0) + v1 * M(1,0) + v2 * M(2,0) + v3 * M(3,0); - u[1] = v0 * M(0,1) + v1 * M(1,1) + v2 * M(2,1) + v3 * M(3,1); - u[2] = v0 * M(0,2) + v1 * M(1,2) + v2 * M(2,2) + v3 * M(3,2); - u[3] = v0 * M(0,3) + v1 * M(1,3) + v2 * M(2,3) + v3 * M(3,3); -#undef M -} - - -/* Useful for one-off point transformations, as in clipping. - * Note that because the matrix isn't analysed we do too many - * multiplies, and that the result is always 4-clean. - */ -void _mesa_transform_point_sz( GLfloat Q[4], const GLfloat M[16], - const GLfloat P[4], GLuint sz ) -{ - if (Q == P) - return; - - if (sz == 4) - { - Q[0] = M[0] * P[0] + M[4] * P[1] + M[8] * P[2] + M[12] * P[3]; - Q[1] = M[1] * P[0] + M[5] * P[1] + M[9] * P[2] + M[13] * P[3]; - Q[2] = M[2] * P[0] + M[6] * P[1] + M[10] * P[2] + M[14] * P[3]; - Q[3] = M[3] * P[0] + M[7] * P[1] + M[11] * P[2] + M[15] * P[3]; - } - else if (sz == 3) - { - Q[0] = M[0] * P[0] + M[4] * P[1] + M[8] * P[2] + M[12]; - Q[1] = M[1] * P[0] + M[5] * P[1] + M[9] * P[2] + M[13]; - Q[2] = M[2] * P[0] + M[6] * P[1] + M[10] * P[2] + M[14]; - Q[3] = M[3] * P[0] + M[7] * P[1] + M[11] * P[2] + M[15]; - } - else if (sz == 2) - { - Q[0] = M[0] * P[0] + M[4] * P[1] + M[12]; - Q[1] = M[1] * P[0] + M[5] * P[1] + M[13]; - Q[2] = M[2] * P[0] + M[6] * P[1] + M[14]; - Q[3] = M[3] * P[0] + M[7] * P[1] + M[15]; - } - else if (sz == 1) - { - Q[0] = M[0] * P[0] + M[12]; - Q[1] = M[1] * P[0] + M[13]; - Q[2] = M[2] * P[0] + M[14]; - Q[3] = M[3] * P[0] + M[15]; - } -} - - /* * This is called only once. It initializes several tables with pointers * to optimized transformation functions. This is where we can test for @@ -220,11 +126,3 @@ _math_init_transformation( void ) _mesa_init_all_x86_64_transform_asm(); #endif } - -void -_math_init( void ) -{ - _math_init_transformation(); - _math_init_translate(); - _math_init_eval(); -} diff --git a/src/mesa/math/m_xform.h b/src/mesa/math/m_xform.h index 24e8ddbd57..33421ad1c0 100644 --- a/src/mesa/math/m_xform.h +++ b/src/mesa/math/m_xform.h @@ -42,12 +42,9 @@ extern void -_mesa_transform_vector(GLfloat u[4], CONST GLfloat v[4], CONST GLfloat m[16]); - - -extern void _math_init_transformation(void); - +extern void +init_c_cliptest(void); /* KW: Clip functions now do projective divide as well. The projected * coordinates are very useful to us because they let us cull @@ -106,7 +103,8 @@ typedef GLvector4f * (_XFORMAPIP clip_func)( GLvector4f *vClip, GLvector4f *vProj, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ); + GLubyte *andMask, + GLboolean viewport_z_clip ); typedef void (*dotprod_func)( GLfloat *out, GLuint out_stride, @@ -148,18 +146,6 @@ typedef void (_XFORMAPIP transform_func)( GLvector4f *to_vec, CONST GLvector4f *from_vec ); -extern GLvector4f *_mesa_project_points( GLvector4f *to, - CONST GLvector4f *from ); - -extern void _mesa_transform_bounds3( GLubyte *orMask, GLubyte *andMask, - CONST GLfloat m[16], - CONST GLfloat src[][3] ); - -extern void _mesa_transform_bounds2( GLubyte *orMask, GLubyte *andMask, - CONST GLfloat m[16], - CONST GLfloat src[][3] ); - - extern dotprod_func _mesa_dotprod_tab[5]; extern vec_copy_func _mesa_copy_tab[0x10]; extern vec_copy_func _mesa_copy_clean_tab[5]; @@ -173,9 +159,6 @@ extern normal_func _mesa_normal_tab[0xf]; extern transform_func *_mesa_transform_tab[5]; -extern void _mesa_transform_point_sz( GLfloat Q[4], CONST GLfloat M[16], - CONST GLfloat P[4], GLuint sz ); - #define TransformRaw( to, mat, from ) \ ( _mesa_transform_tab[(from)->size][(mat)->type]( to, (mat)->m, from ), \ diff --git a/src/mesa/math/mathmod.h b/src/mesa/math/mathmod.h deleted file mode 100644 index 6fbaaea94b..0000000000 --- a/src/mesa/math/mathmod.h +++ /dev/null @@ -1,41 +0,0 @@ - -/* - * Mesa 3-D graphics library - * Version: 3.5 - * - * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -/** - * \mainpage Mesa Math Module - * - * This module contains math-related utility functions for transforming - * vertices, translating arrays of numbers from one data type to another, - * evaluating curved surfaces, etc. - */ - - -#ifndef _MESA_MATH_H_ -#define _MESA_MATH_H_ - -extern void _math_init( void ); - -#endif |