-/* $Id: m_xform.c,v 1.9 2001/03/03 20:33:30 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.5
*
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2003 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"),
* 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
* 3. Transformation of a point p by a matrix M is: p' = M * p
*/
-#include <math.h>
-
-#include "glheader.h"
-#include "macros.h"
-#include "mmath.h"
+#include "c99_math.h"
+#include "main/glheader.h"
+#include "main/macros.h"
#include "m_eval.h"
#include "m_matrix.h"
#include "m_translate.h"
#include "m_xform.h"
-#include "mathmod.h"
-#ifdef DEBUG
+#ifdef DEBUG_MATH
#include "m_debug.h"
#endif
#ifdef USE_X86_ASM
-#include "X86/common_x86_asm.h"
+#include "x86/common_x86_asm.h"
+#endif
+
+#ifdef USE_X86_64_ASM
+#include "x86-64/x86-64.h"
+#endif
+
+#ifdef USE_SPARC_ASM
+#include "sparc/sparc.h"
#endif
-clip_func gl_clip_tab[5];
-clip_func gl_clip_np_tab[5];
-dotprod_func gl_dotprod_tab[2][5];
-vec_copy_func _mesa_copy_tab[2][0x10];
-normal_func gl_normal_tab[0xf][0x4];
-transform_func **(_mesa_transform_tab[2]);
-static transform_func *cull_transform_tab[5];
-static transform_func *raw_transform_tab[5];
+clip_func _mesa_clip_tab[5];
+clip_func _mesa_clip_np_tab[5];
+dotprod_func _mesa_dotprod_tab[5];
+vec_copy_func _mesa_copy_tab[0x10];
+normal_func _mesa_normal_tab[0xf];
+transform_func *_mesa_transform_tab[5];
/* Raw data format used for:
* - Eye-to-clip transform (via the function above).
* - Cliptesting
* - And everything else too, if culling happens to be disabled.
+ *
+ * GH: It's used for everything now, as clipping/culling is done
+ * elsewhere (most often by the driver itself).
*/
-#define TAG(x) x##_raw
-#define TAG2(x,y) x##y##_raw
-#define IDX 0
-#define STRIDE_LOOP for (i=0;i<count;i++, STRIDE_F(from, stride))
-#define LOOP for (i=0;i<n;i++)
-#define CULL_CHECK
-#define CLIP_CHECK
+#define TAG(x) x
+#define TAG2(x,y) x##y
+#define STRIDE_LOOP for ( i = 0 ; i < count ; i++, STRIDE_F(from, stride) )
+#define LOOP for ( i = 0 ; i < n ; i++ )
#define ARGS
#include "m_xform_tmp.h"
#include "m_clip_tmp.h"
#undef TAG
#undef TAG2
#undef LOOP
-#undef CULL_CHECK
-#undef CLIP_CHECK
-#undef ARGS
-#undef IDX
-
-/* Culled data used for:
- * - texture transformations
- * - viewport map transformation
- * - normal transformations prior to lighting
- * - user cliptests
- */
-#define TAG(x) x##_masked
-#define TAG2(x,y) x##y##_masked
-#define IDX 1
-#define STRIDE_LOOP for (i=0;i<count;i++, STRIDE_F(from, stride))
-#define LOOP for (i=0;i<n;i++)
-#define CULL_CHECK if (mask[i])
-#define CLIP_CHECK if ((mask[i] & flag) == 0)
-#define ARGS , const GLubyte mask[]
-#include "m_xform_tmp.h"
-#include "m_norm_tmp.h"
-#include "m_dotprod_tmp.h"
-#include "m_copy_tmp.h"
-#undef TAG
-#undef TAG2
-#undef LOOP
-#undef CULL_CHECK
-#undef CLIP_CHECK
#undef ARGS
-#undef IDX
-
-
-
-
-
-
-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
- * AMD 3Dnow! capability, Intel Katmai, etc. and hook in the right code.
+ * AMD 3Dnow! capability, Intel SSE, etc. and hook in the right code.
*/
void
_math_init_transformation( void )
{
- _mesa_transform_tab[0] = raw_transform_tab;
- _mesa_transform_tab[1] = cull_transform_tab;
-
- init_c_transformations_raw();
- init_c_transformations_masked();
- init_c_norm_transform_raw();
- init_c_norm_transform_masked();
- init_c_cliptest_raw();
- init_copy0_raw();
- init_copy0_masked();
- init_dotprod_raw();
- init_dotprod_masked();
+ init_c_transformations();
+ init_c_norm_transform();
+ init_c_cliptest();
+ init_copy0();
+ init_dotprod();
-#ifdef DEBUG
+#ifdef DEBUG_MATH
_math_test_all_transform_functions( "default" );
_math_test_all_normal_transform_functions( "default" );
+ _math_test_all_cliptest_functions( "default" );
#endif
#ifdef USE_X86_ASM
_mesa_init_all_x86_transform_asm();
+#elif defined( USE_SPARC_ASM )
+ _mesa_init_all_sparc_transform_asm();
+#elif defined( USE_X86_64_ASM )
+ _mesa_init_all_x86_64_transform_asm();
#endif
}
-
-void
-_math_init( void )
-{
- _math_init_transformation();
- _math_init_translate();
- _math_init_vertices();
- _math_init_eval();
-}
projects / mesa.git / blobdiff