| /* $XFree86$ */ |
| /* |
| ** License Applicability. Except to the extent portions of this file are |
| ** made subject to an alternative license as permitted in the SGI Free |
| ** Software License B, Version 1.1 (the "License"), the contents of this |
| ** file are subject only to the provisions of the License. You may not use |
| ** this file except in compliance with the License. You may obtain a copy |
| ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 |
| ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: |
| ** |
| ** http://oss.sgi.com/projects/FreeB |
| ** |
| ** Note that, as provided in the License, the Software is distributed on an |
| ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS |
| ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND |
| ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A |
| ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. |
| ** |
| ** Original Code. The Original Code is: OpenGL Sample Implementation, |
| ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, |
| ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. |
| ** Copyright in any portions created by third parties is as indicated |
| ** elsewhere herein. All Rights Reserved. |
| ** |
| ** Additional Notice Provisions: The application programming interfaces |
| ** established by SGI in conjunction with the Original Code are The |
| ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released |
| ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version |
| ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X |
| ** Window System(R) (Version 1.3), released October 19, 1998. This software |
| ** was created using the OpenGL(R) version 1.2.1 Sample Implementation |
| ** published by SGI, but has not been independently verified as being |
| ** compliant with the OpenGL(R) version 1.2.1 Specification. |
| ** |
| */ |
| |
| #include "packrender.h" |
| |
| /* |
| ** Routines to pack evaluator maps into the transport buffer. Maps are |
| ** allowed to have extra arbitrary data, so these routines extract just |
| ** the information that the GL needs. |
| */ |
| |
| void __glFillMap1f(GLint k, GLint order, GLint stride, |
| const GLfloat *points, GLubyte *pc) |
| { |
| if (stride == k) { |
| /* Just copy the data */ |
| __GLX_PUT_FLOAT_ARRAY(0, points, order * k); |
| } else { |
| GLint i; |
| |
| for (i = 0; i < order; i++) { |
| __GLX_PUT_FLOAT_ARRAY(0, points, k); |
| points += stride; |
| pc += k * __GLX_SIZE_FLOAT32; |
| } |
| } |
| } |
| |
| void __glFillMap1d(GLint k, GLint order, GLint stride, |
| const GLdouble *points, GLubyte *pc) |
| { |
| if (stride == k) { |
| /* Just copy the data */ |
| __GLX_PUT_DOUBLE_ARRAY(0, points, order * k); |
| } else { |
| GLint i; |
| for (i = 0; i < order; i++) { |
| __GLX_PUT_DOUBLE_ARRAY(0, points, k); |
| points += stride; |
| pc += k * __GLX_SIZE_FLOAT64; |
| } |
| } |
| } |
| |
| void __glFillMap2f(GLint k, GLint majorOrder, GLint minorOrder, |
| GLint majorStride, GLint minorStride, |
| const GLfloat *points, GLfloat *data) |
| { |
| GLint i, j, x; |
| |
| if ((minorStride == k) && (majorStride == minorOrder*k)) { |
| /* Just copy the data */ |
| __GLX_MEM_COPY(data, points, majorOrder * majorStride * |
| __GLX_SIZE_FLOAT32); |
| return; |
| } |
| for (i = 0; i < majorOrder; i++) { |
| for (j = 0; j < minorOrder; j++) { |
| for (x = 0; x < k; x++) { |
| data[x] = points[x]; |
| } |
| points += minorStride; |
| data += k; |
| } |
| points += majorStride - minorStride * minorOrder; |
| } |
| } |
| |
| void __glFillMap2d(GLint k, GLint majorOrder, GLint minorOrder, |
| GLint majorStride, GLint minorStride, |
| const GLdouble *points, GLdouble *data) |
| { |
| int i,j,x; |
| |
| if ((minorStride == k) && (majorStride == minorOrder*k)) { |
| /* Just copy the data */ |
| __GLX_MEM_COPY(data, points, majorOrder * majorStride * |
| __GLX_SIZE_FLOAT64); |
| return; |
| } |
| |
| #ifdef __GLX_ALIGN64 |
| x = k * __GLX_SIZE_FLOAT64; |
| #endif |
| for (i = 0; i<majorOrder; i++) { |
| for (j = 0; j<minorOrder; j++) { |
| #ifdef __GLX_ALIGN64 |
| __GLX_MEM_COPY(data, points, x); |
| #else |
| for (x = 0; x<k; x++) { |
| data[x] = points[x]; |
| } |
| #endif |
| points += minorStride; |
| data += k; |
| } |
| points += majorStride - minorStride * minorOrder; |
| } |
| } |
| |
| GLint __glEvalComputeK(GLenum target) |
| { |
| switch(target) { |
| case GL_MAP1_VERTEX_4: |
| case GL_MAP1_COLOR_4: |
| case GL_MAP1_TEXTURE_COORD_4: |
| case GL_MAP2_VERTEX_4: |
| case GL_MAP2_COLOR_4: |
| case GL_MAP2_TEXTURE_COORD_4: |
| return 4; |
| case GL_MAP1_VERTEX_3: |
| case GL_MAP1_TEXTURE_COORD_3: |
| case GL_MAP1_NORMAL: |
| case GL_MAP2_VERTEX_3: |
| case GL_MAP2_TEXTURE_COORD_3: |
| case GL_MAP2_NORMAL: |
| return 3; |
| case GL_MAP1_TEXTURE_COORD_2: |
| case GL_MAP2_TEXTURE_COORD_2: |
| return 2; |
| case GL_MAP1_TEXTURE_COORD_1: |
| case GL_MAP2_TEXTURE_COORD_1: |
| case GL_MAP1_INDEX: |
| case GL_MAP2_INDEX: |
| return 1; |
| default: |
| return 0; |
| } |
| } |