+++ /dev/null
-/*
- * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the name of
- * Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
- * ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glut.h>
-
-
-#define VORDER 10
-#define CORDER 10
-#define TORDER 3
-
-#define VMAJOR_ORDER 2
-#define VMINOR_ORDER 3
-
-#define CMAJOR_ORDER 2
-#define CMINOR_ORDER 2
-
-#define TMAJOR_ORDER 2
-#define TMINOR_ORDER 2
-
-#define VDIM 4
-#define CDIM 4
-#define TDIM 2
-
-#define ONE_D 1
-#define TWO_D 2
-
-#define EVAL 3
-#define MESH 4
-
-
-GLenum doubleBuffer;
-
-float rotX = 0.0, rotY = 0.0, translateZ = -1.0;
-
-GLenum arrayType = ONE_D;
-GLenum colorType = GL_FALSE;
-GLenum textureType = GL_FALSE;
-GLenum polygonFilled = GL_FALSE;
-GLenum lighting = GL_FALSE;
-GLenum mapPoint = GL_FALSE;
-GLenum mapType = EVAL;
-
-double point1[10*4] = {
- -0.5, 0.0, 0.0, 1.0,
- -0.4, 0.5, 0.0, 1.0,
- -0.3,-0.5, 0.0, 1.0,
- -0.2, 0.5, 0.0, 1.0,
- -0.1,-0.5, 0.0, 1.0,
- 0.0, 0.5, 0.0, 1.0,
- 0.1,-0.5, 0.0, 1.0,
- 0.2, 0.5, 0.0, 1.0,
- 0.3,-0.5, 0.0, 1.0,
- 0.4, 0.0, 0.0, 1.0,
-};
-double cpoint1[10*4] = {
- 0.0, 0.0, 1.0, 1.0,
- 0.3, 0.0, 0.7, 1.0,
- 0.6, 0.0, 0.3, 1.0,
- 1.0, 0.0, 0.0, 1.0,
- 1.0, 0.3, 0.0, 1.0,
- 1.0, 0.6, 0.0, 1.0,
- 1.0, 1.0, 0.0, 1.0,
- 1.0, 1.0, 0.5, 1.0,
- 1.0, 1.0, 1.0, 1.0,
-};
-double tpoint1[11*4] = {
- 0.0, 0.0, 0.0, 1.0,
- 0.0, 0.1, 0.0, 1.0,
- 0.0, 0.2, 0.0, 1.0,
- 0.0, 0.3, 0.0, 1.0,
- 0.0, 0.4, 0.0, 1.0,
- 0.0, 0.5, 0.0, 1.0,
- 0.0, 0.6, 0.0, 1.0,
- 0.0, 0.7, 0.0, 1.0,
- 0.0, 0.8, 0.0, 1.0,
- 0.0, 0.9, 0.0, 1.0,
-};
-double point2[2*3*4] = {
- -0.5, -0.5, 0.5, 1.0,
- 0.0, 1.0, 0.5, 1.0,
- 0.5, -0.5, 0.5, 1.0,
- -0.5, 0.5, -0.5, 1.0,
- 0.0, -1.0, -0.5, 1.0,
- 0.5, 0.5, -0.5, 1.0,
-};
-double cpoint2[2*2*4] = {
- 0.0, 0.0, 0.0, 1.0,
- 0.0, 0.0, 1.0, 1.0,
- 0.0, 1.0, 0.0, 1.0,
- 1.0, 1.0, 1.0, 1.0,
-};
-double tpoint2[2*2*2] = {
- 0.0, 0.0, 0.0, 1.0,
- 1.0, 0.0, 1.0, 1.0,
-};
-float textureImage[4*2*4] = {
- 1.0, 1.0, 1.0, 1.0,
- 1.0, 0.0, 0.0, 1.0,
- 1.0, 0.0, 0.0, 1.0,
- 1.0, 1.0, 1.0, 1.0,
- 1.0, 1.0, 1.0, 1.0,
- 1.0, 0.0, 0.0, 1.0,
- 1.0, 0.0, 0.0, 1.0,
- 1.0, 1.0, 1.0, 1.0,
-};
-
-
-static void Init(void)
-{
- static float ambient[] = {0.1, 0.1, 0.1, 1.0};
- static float diffuse[] = {1.0, 1.0, 1.0, 1.0};
- static float position[] = {0.0, 0.0, -150.0, 0.0};
- static float front_mat_diffuse[] = {1.0, 0.2, 1.0, 1.0};
- static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
- static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
- static float lmodel_twoside[] = {GL_TRUE};
- static float decal[] = {GL_DECAL};
- static float repeat[] = {GL_REPEAT};
- static float nr[] = {GL_NEAREST};
-
- glFrontFace(GL_CCW);
-
- glEnable(GL_DEPTH_TEST);
-
- glMap1d(GL_MAP1_VERTEX_4, 0.0, 1.0, VDIM, VORDER, point1);
- glMap1d(GL_MAP1_COLOR_4, 0.0, 1.0, CDIM, CORDER, cpoint1);
-
- glMap2d(GL_MAP2_VERTEX_4, 0.0, 1.0, VMINOR_ORDER*VDIM, VMAJOR_ORDER, 0.0,
- 1.0, VDIM, VMINOR_ORDER, point2);
- glMap2d(GL_MAP2_COLOR_4, 0.0, 1.0, CMINOR_ORDER*CDIM, CMAJOR_ORDER, 0.0,
- 1.0, CDIM, CMINOR_ORDER, cpoint2);
- glMap2d(GL_MAP2_TEXTURE_COORD_2, 0.0, 1.0, TMINOR_ORDER*TDIM,
- TMAJOR_ORDER, 0.0, 1.0, TDIM, TMINOR_ORDER, tpoint2);
-
- glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
- glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
- glLightfv(GL_LIGHT0, GL_POSITION, position);
-
- glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
- glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
-
- glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
- glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
-
- glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, repeat);
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, repeat);
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, nr);
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, nr);
- glTexImage2D(GL_TEXTURE_2D, 0, 4, 2, 4, 0, GL_RGBA, GL_FLOAT,
- (GLvoid *)textureImage);
-}
-
-static void DrawPoints1(void)
-{
- GLint i;
-
- glColor3f(0.0, 1.0, 0.0);
- glPointSize(2);
- glBegin(GL_POINTS);
- for (i = 0; i < VORDER; i++) {
- glVertex4dv(&point1[i*4]);
- }
- glEnd();
-}
-
-static void DrawPoints2(void)
-{
- GLint i, j;
-
- glColor3f(1.0, 0.0, 1.0);
- glPointSize(2);
- glBegin(GL_POINTS);
- for (i = 0; i < VMAJOR_ORDER; i++) {
- for (j = 0; j < VMINOR_ORDER; j++) {
- glVertex4dv(&point2[i*4*VMINOR_ORDER+j*4]);
- }
- }
- glEnd();
-}
-
-static void DrawMapEval1(float du)
-{
- float u;
-
- glColor3f(1.0, 0.0, 0.0);
- glBegin(GL_LINE_STRIP);
- for (u = 0.0; u < 1.0; u += du) {
- glEvalCoord1d(u);
- }
- glEvalCoord1d(1.0);
- glEnd();
-}
-
-static void DrawMapEval2(float du, float dv)
-{
- float u, v, tmp;
-
- glColor3f(1.0, 0.0, 0.0);
- for (v = 0.0; v < 1.0; v += dv) {
- glBegin(GL_QUAD_STRIP);
- for (u = 0.0; u <= 1.0; u += du) {
- glEvalCoord2d(u,v);
- tmp = (v + dv < 1.0) ? (v + dv) : 1.0;
- glEvalCoord2d(u, tmp);
- }
- glEvalCoord2d(1.0, v);
- glEvalCoord2d(1.0, v+dv);
- glEnd();
- }
-}
-
-static void RenderEval(void)
-{
-
- if (colorType) {
- glEnable(GL_MAP1_COLOR_4);
- glEnable(GL_MAP2_COLOR_4);
- } else {
- glDisable(GL_MAP1_COLOR_4);
- glDisable(GL_MAP2_COLOR_4);
- }
-
- if (textureType) {
- glEnable(GL_TEXTURE_2D);
- glEnable(GL_MAP2_TEXTURE_COORD_2);
- } else {
- glDisable(GL_TEXTURE_2D);
- glDisable(GL_MAP2_TEXTURE_COORD_2);
- }
-
- if (polygonFilled) {
- glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
- } else {
- glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
- }
-
- glShadeModel(GL_SMOOTH);
-
- switch (mapType) {
- case EVAL:
- switch (arrayType) {
- case ONE_D:
- glDisable(GL_MAP2_VERTEX_4);
- glEnable(GL_MAP1_VERTEX_4);
- DrawPoints1();
- DrawMapEval1(0.1/VORDER);
- break;
- case TWO_D:
- glDisable(GL_MAP1_VERTEX_4);
- glEnable(GL_MAP2_VERTEX_4);
- DrawPoints2();
- DrawMapEval2(0.1/VMAJOR_ORDER,0.1/VMINOR_ORDER);
- break;
- default:
- break;
- }
- break;
- case MESH:
- switch (arrayType) {
- case ONE_D:
- DrawPoints1();
- glDisable(GL_MAP2_VERTEX_4);
- glEnable (GL_MAP1_VERTEX_4);
- glColor3f(0.0, 0.0, 1.0);
- glMapGrid1d(40, 0.0, 1.0);
- if (mapPoint) {
- glPointSize(2);
- glEvalMesh1(GL_POINT, 0, 40);
- } else {
- glEvalMesh1(GL_LINE, 0, 40);
- }
- break;
- case TWO_D:
- DrawPoints2();
- glDisable(GL_MAP1_VERTEX_4);
- glEnable(GL_MAP2_VERTEX_4);
- glColor3f(0.0, 0.0, 1.0);
- glMapGrid2d(20, 0.0, 1.0, 20, 0.0, 1.0);
- if (mapPoint) {
- glPointSize(2);
- glEvalMesh2(GL_POINT, 0, 20, 0, 20);
- } else if (polygonFilled) {
- glEvalMesh2(GL_FILL, 0, 20, 0, 20);
- } else {
- glEvalMesh2(GL_LINE, 0, 20, 0, 20);
- }
- break;
- default:
- break;
- }
- break;
- default:
- break;
- }
-}
-
-static void Reshape(int width, int height)
-{
-
- glViewport(0, 0, (GLint)width, (GLint)height);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 10.0);
- glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key2(int key, int x, int y)
-{
- switch (key) {
- case GLUT_KEY_LEFT:
- rotY -= 30;
- break;
- case GLUT_KEY_RIGHT:
- rotY += 30;
- break;
- case GLUT_KEY_UP:
- rotX -= 30;
- break;
- case GLUT_KEY_DOWN:
- rotX += 30;
- break;
- default:
- return;
- }
-
- glutPostRedisplay();
-}
-
-static void Key(unsigned char key, int x, int y)
-{
- switch (key) {
- case 27:
- exit(1);
- case '1':
- arrayType = ONE_D;
- break;
- case '2':
- arrayType = TWO_D;
- break;
- case 'e':
- mapType = EVAL;
- break;
- case 'm':
- mapType = MESH;
- break;
- case 'f':
- polygonFilled = !polygonFilled;
- break;
- case 'p':
- mapPoint = !mapPoint;
- break;
- case 'c':
- colorType = !colorType;
- break;
- case 't':
- textureType = !textureType;
- break;
- case 'l':
- lighting =! lighting;
- if (lighting) {
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
- glEnable(GL_AUTO_NORMAL);
- } else {
- glDisable(GL_LIGHTING);
- glDisable(GL_LIGHT0);
- glDisable(GL_AUTO_NORMAL);
- }
- break;
- default:
- return;
- }
-
- glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-
- glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
-
- glPushMatrix();
-
- glTranslatef(0.0, 0.0 , translateZ);
- glRotatef(rotX, 1, 0, 0);
- glRotatef(rotY, 0, 1, 0);
- RenderEval();
-
- glPopMatrix();
-
- glFlush();
-
- if (doubleBuffer) {
- glutSwapBuffers();
- }
-}
-
-static GLenum Args(int argc, char **argv)
-{
- GLint i;
-
- doubleBuffer = GL_FALSE;
-
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-sb") == 0) {
- doubleBuffer = GL_FALSE;
- } else if (strcmp(argv[i], "-db") == 0) {
- doubleBuffer = GL_TRUE;
- } else {
- printf("%s (Bad option).\n", argv[i]);
- return GL_FALSE;
- }
- }
- return GL_TRUE;
-}
-
-int main(int argc, char **argv)
-{
- GLenum type;
-
- glutInit(&argc, argv);
-
- if (Args(argc, argv) == GL_FALSE) {
- exit(1);
- }
-
- glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
-
- type = GLUT_RGB | GLUT_DEPTH;
- type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
- glutInitDisplayMode(type);
-
- if (glutCreateWindow("Evaluator Test") == GL_FALSE) {
- exit(1);
- }
-
- Init();
-
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- glutSpecialFunc(Key2);
- glutDisplayFunc(Draw);
- glutMainLoop();
- return 0;
-}
projects / mesa.git / blobdiff