clear-random.c \
clear.c \
dlist-dangling.c \
+ dlist-flat-tri.c \
+ dlist-mat-tri.c \
+ dlist-tri-flat-tri.c \
+ dlist-tri-mat-tri.c \
+ dlist-recursive-call.c \
dlist-begin-call-end.c \
dlist-edgeflag-dangling.c \
dlist-edgeflag.c \
--- /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 <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+GLint list;
+
+static void Init(void)
+{
+ fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ fflush(stderr);
+
+ glClearColor(0.0, 0.0, 1.0, 0.0);
+
+ list = glGenLists(1);
+ glNewList(list, GL_COMPILE);
+
+ /* XXX: this state-change will only be executed if list is called
+ * from outside a begin/end pair:
+ */
+ glShadeModel( GL_FLAT );
+ glBegin(GL_TRIANGLES);
+ glColor3f(0,0,.7);
+ glVertex3f( -0.9, 0.9, -30.0);
+ glColor3f(0,.9,0);
+ glVertex3f( -0.9, -0.9, -30.0);
+ glColor3f(.8,0,0);
+ glVertex3f( 0.9, 0.0, -30.0);
+ glEnd();
+
+ /* This statechange is potentially NOT redundant:
+ */
+ glShadeModel( GL_FLAT );
+ glBegin(GL_TRIANGLES);
+ glColor3f(0,1,0);
+ glVertex3f( -0.5, 0.5, -30.0);
+ glColor3f(0,0,1);
+ glVertex3f( -0.5, -0.5, -30.0);
+ glColor3f(1,0,0);
+ glVertex3f( 0.5, 0.0, -30.0);
+ glEnd();
+
+ glEndList();
+}
+
+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, 1000.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+
+
+
+static void Draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glShadeModel( GL_SMOOTH );
+
+ glBegin(GL_TRIANGLES);
+
+ /* Note: call the list from inside a begin/end pair. The end is
+ * provided by the display list...
+ */
+ glCallList(list);
+
+ 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 {
+ fprintf(stderr, "%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( 250, 250);
+
+ type = GLUT_RGB | GLUT_ALPHA;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow(*argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
--- /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 <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+GLint list;
+
+static GLfloat red[4] = {0.8, 0.1, 0.0, 1.0};
+static GLfloat green[4] = {0.0, 0.8, 0.2, 1.0};
+/*static GLfloat blue[4] = {0.2, 0.2, .7, 1.0};*/
+
+static void Init(void)
+{
+ fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ fflush(stderr);
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glClearColor(0.0, 0.0, 1.0, 0.0);
+
+ list = glGenLists(1);
+ glNewList(list, GL_COMPILE);
+
+ /* XXX: this state-change will be executed regardless of whether
+ * the list is called from outside a begin/end pair:
+ */
+ glMaterialfv(GL_FRONT, GL_AMBIENT, red);
+ glBegin(GL_TRIANGLES);
+ glVertex3f( -0.9, 0.9, -30.0);
+ glVertex3f( -0.9, -0.9, -30.0);
+ glVertex3f( 0.9, 0.0, -30.0);
+ glEnd();
+
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, red);
+ glBegin(GL_TRIANGLES);
+ glVertex3f( -0.7, 0.7, -30.0);
+ glVertex3f( -0.7, -0.7, -30.0);
+ glVertex3f( 0.7, 0.0, -30.0);
+ glEnd();
+
+ /* This statechange is redundant:
+ */
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+ glBegin(GL_TRIANGLES);
+ glVertex3f( -0.5, 0.5, -30.0);
+ glVertex3f( -0.5, -0.5, -30.0);
+ glVertex3f( 0.5, 0.0, -30.0);
+ glEnd();
+
+ glEndList();
+}
+
+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, 1000.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+
+
+
+static void Draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glShadeModel( GL_SMOOTH );
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+
+ glBegin(GL_TRIANGLES);
+
+ /* Note: call the list from inside a begin/end pair. The end is
+ * provided by the display list...
+ */
+ glCallList(list);
+
+ 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 {
+ fprintf(stderr, "%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( 250, 250);
+
+ type = GLUT_RGB | GLUT_ALPHA;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow(*argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
--- /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 <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+GLint first_list, list;
+
+static void Init(void)
+{
+ fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ fflush(stderr);
+
+ glClearColor(0.0, 0.0, 1.0, 0.0);
+
+ /* First list will disrupt state which might potentially be
+ * short-circuited in calling list:
+ */
+ first_list = glGenLists(1);
+ glNewList(first_list, GL_COMPILE);
+ glShadeModel( GL_SMOOTH );
+ glEndList();
+
+
+ /* List that looks like it might have redundant state:
+ */
+ list = glGenLists(1);
+ glNewList(list, GL_COMPILE);
+
+ glBegin(GL_TRIANGLES);
+ glColor3f(0,0,.7);
+ glVertex3f( 0.9, -0.9, -30.0);
+ glColor3f(.8,0,0);
+ glVertex3f( 0.9, 0.9, -30.0);
+ glColor3f(0,.9,0);
+ glVertex3f(-0.9, 0.0, -30.0);
+ glEnd();
+
+ glShadeModel( GL_FLAT );
+ glBegin(GL_TRIANGLES);
+ glColor3f(0,0,.7);
+ glVertex3f( -0.9, 0.9, -30.0);
+ glColor3f(0,.9,0);
+ glVertex3f( -0.9, -0.9, -30.0);
+ glColor3f(.8,0,0);
+ glVertex3f( 0.9, 0.0, -30.0);
+ glEnd();
+
+ glCallList( first_list );
+
+ /* Do a quick begin/end to ensure we are not inside a dangling
+ * primitive from the called list:
+ */
+ glBegin( GL_POINTS );
+ glEnd();
+
+ /* This statechange is NOT redundant:
+ */
+ glShadeModel( GL_FLAT );
+ glBegin(GL_TRIANGLES);
+ glColor3f(1,0,0);
+ glVertex3f( -0.5, 0.5, -30.0);
+ glColor3f(0,1,0);
+ glVertex3f( -0.5, -0.5, -30.0);
+ glColor3f(0,0,1);
+ glVertex3f( 0.5, 0.0, -30.0);
+ glEnd();
+
+ glEndList();
+}
+
+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, 1000.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+
+
+
+static void Draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glShadeModel( GL_SMOOTH );
+ glCallList(list);
+
+ 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 {
+ fprintf(stderr, "%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( 250, 250);
+
+ type = GLUT_RGB | GLUT_ALPHA;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow(*argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
--- /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 <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+GLint list;
+
+static void Init(void)
+{
+ fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ fflush(stderr);
+
+ glClearColor(0.0, 0.0, 1.0, 0.0);
+
+ list = glGenLists(1);
+ glNewList(list, GL_COMPILE);
+
+ glBegin(GL_TRIANGLES);
+ glColor3f(0,0,.7);
+ glVertex3f( 0.9, -0.9, -30.0);
+ glColor3f(.8,0,0);
+ glVertex3f( 0.9, 0.9, -30.0);
+ glColor3f(0,.9,0);
+ glVertex3f(-0.9, 0.0, -30.0);
+ glEnd();
+
+ glShadeModel( GL_FLAT );
+ glBegin(GL_TRIANGLES);
+ glColor3f(0,0,.7);
+ glVertex3f( -0.9, 0.9, -30.0);
+ glColor3f(0,.9,0);
+ glVertex3f( -0.9, -0.9, -30.0);
+ glColor3f(.8,0,0);
+ glVertex3f( 0.9, 0.0, -30.0);
+ glEnd();
+
+ /* This statechange is redundant:
+ */
+ glShadeModel( GL_FLAT );
+ glBegin(GL_TRIANGLES);
+ glColor3f(1,0,0);
+ glVertex3f( -0.5, 0.5, -30.0);
+ glColor3f(0,1,0);
+ glVertex3f( -0.5, -0.5, -30.0);
+ glColor3f(0,0,1);
+ glVertex3f( 0.5, 0.0, -30.0);
+ glEnd();
+
+ glEndList();
+}
+
+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, 1000.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+
+
+
+static void Draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glShadeModel( GL_SMOOTH );
+ glCallList(list);
+
+ 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 {
+ fprintf(stderr, "%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( 250, 250);
+
+ type = GLUT_RGB | GLUT_ALPHA;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow(*argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
--- /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 <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+GLint list;
+
+static GLfloat red[4] = {0.8, 0.1, 0.0, 1.0};
+static GLfloat green[4] = {0.0, 0.8, 0.2, 1.0};
+static GLfloat blue[4] = {0.2, 0.2, .9, 1.0};
+
+static void Init(void)
+{
+ fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ fflush(stderr);
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glClearColor(0.0, 0.0, 1.0, 0.0);
+
+ list = glGenLists(1);
+ glNewList(list, GL_COMPILE);
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+
+ glBegin(GL_TRIANGLES);
+ glNormal3f(0,0,.7);
+ glVertex3f( 0.9, -0.9, -30.0);
+ glVertex3f( 0.9, 0.9, -30.0);
+ glVertex3f(-0.9, 0.0, -30.0);
+ glEnd();
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+
+ glBegin(GL_TRIANGLES);
+ glVertex3f( -0.9, 0.9, -30.0);
+ glVertex3f( -0.9, -0.9, -30.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+ glVertex3f( 0.9, 0.0, -30.0);
+ glEnd();
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+ glBegin(GL_TRIANGLES);
+ glVertex3f( -0.5, 0.5, -30.0);
+ glVertex3f( -0.5, -0.5, -30.0);
+ glVertex3f( 0.5, 0.0, -30.0);
+ glEnd();
+
+ glEndList();
+}
+
+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, 1000.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+
+
+
+static void Draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glShadeModel( GL_SMOOTH );
+ glCallList(list);
+
+ 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 {
+ fprintf(stderr, "%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( 250, 250);
+
+ type = GLUT_RGB | GLUT_ALPHA;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow(*argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
}
}
+static void invalidate_saved_current_state( GLcontext *ctx )
+{
+ GLint i;
+
+ for (i = 0; i < VERT_ATTRIB_MAX; i++)
+ ctx->ListState.ActiveAttribSize[i] = 0;
+
+ for (i = 0; i < MAT_ATTRIB_MAX; i++)
+ ctx->ListState.ActiveMaterialSize[i] = 0;
+
+ memset(&ctx->ListState.Current, 0, sizeof ctx->ListState.Current);
+
+ ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN;
+}
void GLAPIENTRY
_mesa_save_CallList(GLuint list)
n[1].ui = list;
}
- /* After this, we don't know what begin/end state we're in:
+ /* After this, we don't know what state we're in. Invalidate all
+ * cached information previously gathered:
*/
- ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN;
+ invalidate_saved_current_state( ctx );
if (ctx->ExecuteFlag) {
_mesa_CallList(list);
}
}
- /* After this, we don't know what begin/end state we're in:
+ /* After this, we don't know what state we're in. Invalidate all
+ * cached information previously gathered:
*/
- ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN;
+ invalidate_saved_current_state( ctx );
if (ctx->ExecuteFlag) {
CALL_CallLists(ctx->Exec, (n, type, lists));
{
GET_CURRENT_CONTEXT(ctx);
Node *n;
- ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
+ ASSERT_OUTSIDE_SAVE_BEGIN_END(ctx);
+
+ if (ctx->ExecuteFlag) {
+ CALL_ShadeModel(ctx->Exec, (mode));
+ }
+
+ if (ctx->ListState.Current.ShadeModel == mode)
+ return;
+
+ SAVE_FLUSH_VERTICES(ctx);
+
+ /* Only save the value if we know the statechange will take effect:
+ */
+ if (ctx->Driver.CurrentSavePrimitive == PRIM_OUTSIDE_BEGIN_END)
+ ctx->ListState.Current.ShadeModel = mode;
+
n = ALLOC_INSTRUCTION(ctx, OPCODE_SHADE_MODEL, 1);
if (n) {
n[1].e = mode;
}
- if (ctx->ExecuteFlag) {
- CALL_ShadeModel(ctx->Exec, (mode));
- }
}
save_Attr1fNV(VERT_ATTRIB_EDGEFLAG, x ? (GLfloat)1.0 : (GLfloat)0.0);
}
+static INLINE GLboolean compare4fv( const GLfloat *a,
+ const GLfloat *b,
+ GLuint count )
+{
+ return memcmp( a, b, count * sizeof(GLfloat) ) == 0;
+}
+
+
static void GLAPIENTRY
save_Materialfv(GLenum face, GLenum pname, const GLfloat * param)
{
GET_CURRENT_CONTEXT(ctx);
Node *n;
int args, i;
-
- SAVE_FLUSH_VERTICES(ctx);
+ GLuint bitmask;
switch (face) {
case GL_BACK:
_mesa_compile_error(ctx, GL_INVALID_ENUM, "material(pname)");
return;
}
-
- n = ALLOC_INSTRUCTION(ctx, OPCODE_MATERIAL, 6);
- if (n) {
- n[1].e = face;
- n[2].e = pname;
- for (i = 0; i < args; i++)
- n[3 + i].f = param[i];
+
+ if (ctx->ExecuteFlag) {
+ CALL_Materialfv(ctx->Exec, (face, pname, param));
}
- {
- GLuint bitmask = _mesa_material_bitmask(ctx, face, pname, ~0, NULL);
- for (i = 0; i < MAT_ATTRIB_MAX; i++)
- if (bitmask & (1 << i)) {
+ bitmask = _mesa_material_bitmask(ctx, face, pname, ~0, NULL);
+
+ /* Try to eliminate redundant statechanges. Because it is legal to
+ * call glMaterial even inside begin/end calls, don't need to worry
+ * about ctx->Driver.CurrentSavePrimitive here.
+ */
+ for (i = 0; i < MAT_ATTRIB_MAX; i++) {
+ if (bitmask & (1 << i)) {
+ if (ctx->ListState.ActiveMaterialSize[i] == args &&
+ compare4fv(ctx->ListState.CurrentMaterial[i], param, args)) {
+ bitmask &= ~(1 << i);
+ }
+ else {
ctx->ListState.ActiveMaterialSize[i] = args;
COPY_SZ_4V(ctx->ListState.CurrentMaterial[i], args, param);
}
+ }
}
- if (ctx->ExecuteFlag) {
- CALL_Materialfv(ctx->Exec, (face, pname, param));
+ /* If this call has effect, return early:
+ */
+ if (bitmask == 0)
+ return;
+
+ SAVE_FLUSH_VERTICES(ctx);
+
+ n = ALLOC_INSTRUCTION(ctx, OPCODE_MATERIAL, 6);
+ if (n) {
+ n[1].e = face;
+ n[2].e = pname;
+ for (i = 0; i < args; i++)
+ n[3 + i].f = param[i];
}
}
_mesa_NewList(GLuint name, GLenum mode)
{
GET_CURRENT_CONTEXT(ctx);
- GLint i;
FLUSH_CURRENT(ctx, 0); /* must be called before assert */
ASSERT_OUTSIDE_BEGIN_END(ctx);
ctx->CompileFlag = GL_TRUE;
ctx->ExecuteFlag = (mode == GL_COMPILE_AND_EXECUTE);
+ /* Reset acumulated list state:
+ */
+ invalidate_saved_current_state( ctx );
+
/* Allocate new display list */
ctx->ListState.CurrentList = make_list(name, BLOCK_SIZE);
ctx->ListState.CurrentBlock = ctx->ListState.CurrentList->Head;
ctx->ListState.CurrentPos = 0;
- /* Reset acumulated list state:
- */
- for (i = 0; i < VERT_ATTRIB_MAX; i++)
- ctx->ListState.ActiveAttribSize[i] = 0;
-
- for (i = 0; i < MAT_ATTRIB_MAX; i++)
- ctx->ListState.ActiveMaterialSize[i] = 0;
-
- ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN;
ctx->Driver.NewList(ctx, name, mode);
ctx->CurrentDispatch = ctx->Save;
}
}
+/* Get the name of an enum given that it is a primitive type. Avoids
+ * GL_FALSE/GL_POINTS ambiguity and others.
+ */
+const char *_mesa_lookup_prim_by_nr( int nr )
+{
+ switch (nr) {
+ case GL_POINTS: return "GL_POINTS";
+ case GL_LINES: return "GL_LINES";
+ case GL_LINE_STRIP: return "GL_LINE_STRIP";
+ case GL_LINE_LOOP: return "GL_LINE_LOOP";
+ case GL_TRIANGLES: return "GL_TRIANGLES";
+ case GL_TRIANGLE_STRIP: return "GL_TRIANGLE_STRIP";
+ case GL_TRIANGLE_FAN: return "GL_TRIANGLE_FAN";
+ case GL_QUADS: return "GL_QUADS";
+ case GL_QUAD_STRIP: return "GL_QUAD_STRIP";
+ case GL_POLYGON: return "GL_POLYGON";
+ case GL_POLYGON+1: return "OUTSIDE_BEGIN_END";
+ default: return "<invalid>";
+ }
+}
+
+
int _mesa_lookup_enum_by_name( const char *symbol )
{
enum_elt * f = NULL;
#if defined(_HAVE_FULL_GL) && _HAVE_FULL_GL
extern const char *_mesa_lookup_enum_by_nr( int nr );
+
+/* Get the name of an enum given that it is a primitive type. Avoids
+ * GL_FALSE/GL_POINTS ambiguity and others.
+ */
+const char *_mesa_lookup_prim_by_nr( int nr );
+
extern int _mesa_lookup_enum_by_name( const char *symbol );
#else
GLubyte ActiveEdgeFlag;
GLboolean CurrentEdgeFlag;
+
+ struct {
+ /* State known to have been set by the currently-compiling display
+ * list. Used to eliminate some redundant state changes.
+ */
+ GLenum ShadeModel;
+ } Current;
};
struct _mesa_prim *prim = &exec->vtx.prim[i];
_mesa_printf(" prim %d: %s%s %d..%d %s %s\n",
i,
- _mesa_lookup_enum_by_nr(prim->mode),
+ _mesa_lookup_prim_by_nr(prim->mode),
prim->weak ? " (weak)" : "",
prim->start,
prim->start + prim->count,
struct _mesa_prim *prim = &node->prim[i];
_mesa_debug(NULL, " prim %d: %s%s %d..%d %s %s\n",
i,
- _mesa_lookup_enum_by_nr(prim->mode),
+ _mesa_lookup_prim_by_nr(prim->mode),
prim->weak ? " (weak)" : "",
prim->start,
prim->start + prim->count,
if (0)
_mesa_printf("loopback prim %s(%s,%s) verts %d..%d\n",
- _mesa_lookup_enum_by_nr(prim->mode),
+ _mesa_lookup_prim_by_nr(prim->mode),
prim->begin ? "begin" : "..",
prim->end ? "end" : "..",
start,
{
struct _mesa_prim *prim = ©->dstprim[copy->dstprim_nr];
-/* _mesa_printf("begin %s (%d)\n", _mesa_lookup_enum_by_nr(mode), begin_flag); */
+/* _mesa_printf("begin %s (%d)\n", _mesa_lookup_prim_by_nr(mode), begin_flag); */
prim->mode = mode;
prim->begin = begin_flag;
projects / mesa.git / commitdiff