diff options
Diffstat (limited to 'progs/trivial')
-rw-r--r-- | progs/trivial/.gitignore | 3 | ||||
-rw-r--r-- | progs/trivial/Makefile | 10 | ||||
-rw-r--r-- | progs/trivial/SConscript | 3 | ||||
-rw-r--r-- | progs/trivial/dlist-begin-call-end.c | 159 | ||||
-rw-r--r-- | progs/trivial/dlist-flat-tri.c | 171 | ||||
-rw-r--r-- | progs/trivial/dlist-mat-tri.c | 182 | ||||
-rw-r--r-- | progs/trivial/dlist-recursive-call.c | 190 | ||||
-rw-r--r-- | progs/trivial/dlist-tri-flat-tri.c | 171 | ||||
-rw-r--r-- | progs/trivial/dlist-tri-mat-tri.c | 174 | ||||
-rw-r--r-- | progs/trivial/line-flat.c | 147 | ||||
-rw-r--r-- | progs/trivial/tri-lit-material.c | 149 | ||||
-rw-r--r-- | progs/trivial/tri-z.c | 50 | ||||
-rw-r--r-- | progs/trivial/tri.c | 1 | ||||
-rw-r--r-- | progs/trivial/vbo-noninterleaved.c | 139 | ||||
-rw-r--r-- | progs/trivial/vp-tri-invariant.c | 147 |
15 files changed, 1686 insertions, 10 deletions
diff --git a/progs/trivial/.gitignore b/progs/trivial/.gitignore index 8dcb20a68f..dce733a70a 100644 --- a/progs/trivial/.gitignore +++ b/progs/trivial/.gitignore @@ -19,6 +19,7 @@ fs-tri line line-clip line-cull +line-flat line-smooth line-stipple-wide line-userclip @@ -130,6 +131,7 @@ tristrip-flat vbo-drawarrays vbo-drawelements vbo-drawrange +vbo-noninterleaved vp-array vp-array-int vp-clip @@ -139,6 +141,7 @@ vp-tri-cb vp-tri-cb-pos vp-tri-cb-tex vp-tri-imm +vp-tri-invariant vp-tri-swap vp-tri-tex vp-unfilled diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile index 69c71cbaf6..3bd8faff99 100644 --- a/progs/trivial/Makefile +++ b/progs/trivial/Makefile @@ -19,6 +19,12 @@ SOURCES = \ 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 \ dlist-degenerate.c \ @@ -30,6 +36,7 @@ SOURCES = \ fs-tri.c \ line-clip.c \ line-cull.c \ + line-flat.c \ line-smooth.c \ line-stipple-wide.c \ line-userclip-clip.c \ @@ -104,6 +111,7 @@ SOURCES = \ tri-fp.c \ tri-fp-const-imm.c \ tri-lit.c \ + tri-lit-material.c \ tri-mask-tri.c \ tri-orig.c \ tri-query.c \ @@ -138,6 +146,7 @@ SOURCES = \ tristrip-flat.c \ tristrip.c \ vbo-drawarrays.c \ + vbo-noninterleaved.c \ vbo-drawelements.c \ vbo-drawrange.c \ vp-array.c \ @@ -145,6 +154,7 @@ SOURCES = \ vp-clip.c \ vp-line-clip.c \ vp-tri.c \ + vp-tri-invariant.c \ vp-tri-swap.c \ vp-tri-tex.c \ vp-tri-imm.c \ diff --git a/progs/trivial/SConscript b/progs/trivial/SConscript index 480630e210..9a1f3575bd 100644 --- a/progs/trivial/SConscript +++ b/progs/trivial/SConscript @@ -26,6 +26,7 @@ progs = [ 'fs-tri', 'line-clip', 'line-cull', + 'line-flat', 'line-smooth', 'line-stipple-wide', 'line-userclip-clip', @@ -134,6 +135,7 @@ progs = [ 'tristrip-flat', 'tristrip', 'vbo-drawarrays', + 'vbo-noninterleaved', 'vbo-drawelements', 'vbo-drawrange', 'vp-array', @@ -141,6 +143,7 @@ progs = [ 'vp-clip', 'vp-line-clip', 'vp-tri', + 'vp-tri-invariant', 'vp-tri-swap', 'vp-tri-tex', 'vp-tri-imm', diff --git a/progs/trivial/dlist-begin-call-end.c b/progs/trivial/dlist-begin-call-end.c new file mode 100644 index 0000000000..0d0aed7c72 --- /dev/null +++ b/progs/trivial/dlist-begin-call-end.c @@ -0,0 +1,159 @@ +/* + * 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); +// glColor3f(0,1,0); + glEndList(); + + + /* List that looks like it might have redundant state: + */ + list = glGenLists(1); + glNewList(list, GL_COMPILE); + + glShadeModel(GL_FLAT); + glBegin(GL_TRIANGLES); + glColor3f(1,0,0); + glVertex3f( -0.9, 0.9, -30.0); + glVertex3f( -0.9, -0.9, -30.0); + glCallList( first_list ); + glVertex3f( 0.9, 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; +} diff --git a/progs/trivial/dlist-flat-tri.c b/progs/trivial/dlist-flat-tri.c new file mode 100644 index 0000000000..c3dd7921e3 --- /dev/null +++ b/progs/trivial/dlist-flat-tri.c @@ -0,0 +1,171 @@ +/* + * 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; +} diff --git a/progs/trivial/dlist-mat-tri.c b/progs/trivial/dlist-mat-tri.c new file mode 100644 index 0000000000..ed3a4c5981 --- /dev/null +++ b/progs/trivial/dlist-mat-tri.c @@ -0,0 +1,182 @@ +/* + * 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; +} diff --git a/progs/trivial/dlist-recursive-call.c b/progs/trivial/dlist-recursive-call.c new file mode 100644 index 0000000000..fe06b2bbd7 --- /dev/null +++ b/progs/trivial/dlist-recursive-call.c @@ -0,0 +1,190 @@ +/* + * 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; +} diff --git a/progs/trivial/dlist-tri-flat-tri.c b/progs/trivial/dlist-tri-flat-tri.c new file mode 100644 index 0000000000..4dbb788486 --- /dev/null +++ b/progs/trivial/dlist-tri-flat-tri.c @@ -0,0 +1,171 @@ +/* + * 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; +} diff --git a/progs/trivial/dlist-tri-mat-tri.c b/progs/trivial/dlist-tri-mat-tri.c new file mode 100644 index 0000000000..f69854ae58 --- /dev/null +++ b/progs/trivial/dlist-tri-mat-tri.c @@ -0,0 +1,174 @@ +/* + * 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; +} diff --git a/progs/trivial/line-flat.c b/progs/trivial/line-flat.c new file mode 100644 index 0000000000..14f0ac0782 --- /dev/null +++ b/progs/trivial/line-flat.c @@ -0,0 +1,147 @@ +/* + * 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; + +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); +} + +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_FLAT); + + glBegin(GL_LINES); + glColor3f(0,0,.7); + glVertex3f( 0.9, -0.9, -30.0); + glColor3f(.8,0,0); + 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); + + + glColor3f(0,.9,0); + glVertex3f(-0.9, 0.0, -30.0); + glColor3f(0,0,.7); + glVertex3f( 0.9, -0.9, -30.0); + glEnd(); + + 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; + 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; +} diff --git a/progs/trivial/tri-lit-material.c b/progs/trivial/tri-lit-material.c new file mode 100644 index 0000000000..ff9fb2c4dd --- /dev/null +++ b/progs/trivial/tri-lit-material.c @@ -0,0 +1,149 @@ +/* + * 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; + +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); + + glEnable(GL_LIGHTING); + glEnable(GL_LIGHT0); + + glClearColor(0.0, 0.0, 1.0, 0.0); +} + +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) +{ + 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}; + + glClear(GL_COLOR_BUFFER_BIT); + + glBegin(GL_TRIANGLES); + glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue); + glNormal3f(0,0,.7); + glVertex3f( 0.9, -0.9, -0.0); + + glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green); + glNormal3f(0,0,.8); + glVertex3f( 0.9, 0.9, -0.0); + + glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red); + glNormal3f(0,0,.9); + glVertex3f(-0.9, 0.0, -0.0); + glEnd(); + + 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; +} diff --git a/progs/trivial/tri-z.c b/progs/trivial/tri-z.c index 335d2b90e2..014aaa071a 100644 --- a/progs/trivial/tri-z.c +++ b/progs/trivial/tri-z.c @@ -57,13 +57,19 @@ static struct { GLenum func; const char *str; } funcs[] = static int curFunc = 0; static double clearVal = 1.0; - +static float minZ = 0.0; +static float maxZ = 1.0; static void usage(void) { - printf("t - toggle rendering order of triangles\n"); - printf("c - toggle Z clear value between 0, 1\n"); - printf("f - cycle through depth test functions\n"); + printf("t - toggle rendering order of triangles\n"); + printf("c - toggle Z clear value between 0, 1\n"); + printf("f - cycle through depth test functions\n"); + printf("n/N - decrease/increase depthrange minZ\n"); + printf("x/X - decrease/increase depthrange maxZ\n"); + printf("spc - reset\n"); + printf("z - set to reverse-direction (ztrick) mode\n"); + fflush(stdout); } @@ -97,9 +103,11 @@ static void drawRightTriangle(void) void display(void) { - printf("GL_CLEAR_DEPTH = %f GL_DEPTH_FUNC = %s\n", - clearVal, funcs[curFunc].str); + printf("GL_CLEAR_DEPTH = %.2f, GL_DEPTH_FUNC = %s, DepthRange(%.1f, %.1f)\n", + clearVal, funcs[curFunc].str, minZ, maxZ); + fflush(stdout); glClearDepth(clearVal); + glDepthRange(minZ, maxZ); glDepthFunc(funcs[curFunc].func); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); @@ -131,27 +139,49 @@ void reshape(int w, int h) void keyboard(unsigned char key, int x, int y) { switch (key) { + case 'n': + minZ -= .1; + break; + case 'N': + minZ += .1; + break; + case 'x': + maxZ -= .1; + break; + case 'X': + maxZ += .1; + break; case 'c': case 'C': clearVal = 1.0 - clearVal; - glutPostRedisplay(); break; case 'f': case 'F': curFunc = (curFunc + 1) % NUM_FUNCS; - glutPostRedisplay(); break; case 't': case 'T': leftFirst = !leftFirst; - glutPostRedisplay(); + break; + case ' ': + curFunc = 0; + clearVal = 1.0; + minZ = 0.0; + maxZ = 1.0; + break; + case 'z': + curFunc = 2; + clearVal = 0.0; + minZ = 1.0; + maxZ = 0.0; break; case 27: /* Escape key */ exit(0); break; default: - break; + return; } + glutPostRedisplay(); } /* Main Loop diff --git a/progs/trivial/tri.c b/progs/trivial/tri.c index d44cb6a9fe..cac3fcb7d9 100644 --- a/progs/trivial/tri.c +++ b/progs/trivial/tri.c @@ -60,6 +60,7 @@ static void Key(unsigned char key, int x, int y) { switch (key) { case 27: + glutDestroyWindow(win); exit(0); default: glutPostRedisplay(); diff --git a/progs/trivial/vbo-noninterleaved.c b/progs/trivial/vbo-noninterleaved.c new file mode 100644 index 0000000000..0672ca50ff --- /dev/null +++ b/progs/trivial/vbo-noninterleaved.c @@ -0,0 +1,139 @@ +/* Basic VBO */ + +#include <assert.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <GL/glew.h> +#include <GL/glut.h> + + +struct { + GLfloat pos[4][4]; + GLfloat col[4][4]; +} verts = +{ + /* Position: a quad + */ + { + { 0.9, -0.9, 0.0, 1.0 }, + { 0.9, 0.9, 0.0, 1.0 }, + { -0.9, 0.9, 0.0, 1.0 }, + { -0.9, -0.9, 0.0, 1.0 }, + }, + + /* Color: all red + */ + { + { 1.0, 0.0, 0.0, 1.0 }, + { 1.0, 0.0, 0.0, 1.0 }, + { 1.0, 0.0, 0.0, 1.0 }, + { 1.0, 0.0, 0.0, 1.0 }, + }, + + +}; + +GLuint arrayObj, elementObj; + +static void Init( void ) +{ + GLint errno; + GLuint prognum; + + static const char *prog1 = + "!!ARBvp1.0\n" + "MOV result.color, vertex.color;\n" + "MOV result.position, vertex.position;\n" + "END\n"; + + glGenProgramsARB(1, &prognum); + glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum); + glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, + strlen(prog1), (const GLubyte *) prog1); + + assert(glIsProgramARB(prognum)); + errno = glGetError(); + printf("glGetError = %d\n", errno); + if (errno != GL_NO_ERROR) + { + GLint errorpos; + + glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos); + printf("errorpos: %d\n", errorpos); + printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)); + } + + + glEnableClientState( GL_VERTEX_ARRAY ); + glEnableClientState( GL_COLOR_ARRAY ); + + glGenBuffersARB(1, &arrayObj); + glBindBufferARB(GL_ARRAY_BUFFER_ARB, arrayObj); + glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), &verts, GL_STATIC_DRAW_ARB); + + glVertexPointer( 4, GL_FLOAT, sizeof(verts.pos[0]), 0 ); + glColorPointer( 4, GL_FLOAT, sizeof(verts.col[0]), (void *)(4*4*sizeof(float)) ); + +} + + + +static void Display( void ) +{ + glClearColor(0.3, 0.3, 0.3, 1); + glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); + + glEnable(GL_VERTEX_PROGRAM_ARB); + +// glDrawArrays( GL_TRIANGLES, 0, 3 ); +// glDrawArrays( GL_TRIANGLES, 1, 3 ); + glDrawArrays( GL_QUADS, 0, 4 ); + + glFlush(); +} + + +static void Reshape( int width, int height ) +{ + glViewport( 0, 0, width, height ); + glMatrixMode( GL_PROJECTION ); + glLoadIdentity(); + glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); + glMatrixMode( GL_MODELVIEW ); + glLoadIdentity(); + /*glTranslatef( 0.0, 0.0, -15.0 );*/ +} + + +static void Key( unsigned char key, int x, int y ) +{ + (void) x; + (void) y; + switch (key) { + case 27: + exit(0); + break; + } + glutPostRedisplay(); +} + + + + +int main( int argc, char *argv[] ) +{ + glutInit( &argc, argv ); + glutInitWindowPosition( 0, 0 ); + glutInitWindowSize( 250, 250 ); + glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH ); + glutCreateWindow(argv[0]); + glewInit(); + glutReshapeFunc( Reshape ); + glutKeyboardFunc( Key ); + glutDisplayFunc( Display ); + Init(); + glutMainLoop(); + return 0; +} diff --git a/progs/trivial/vp-tri-invariant.c b/progs/trivial/vp-tri-invariant.c new file mode 100644 index 0000000000..ff24139365 --- /dev/null +++ b/progs/trivial/vp-tri-invariant.c @@ -0,0 +1,147 @@ +/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */ + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <math.h> +#include <GL/glew.h> +#include <GL/glut.h> + + +#define CI_OFFSET_1 16 +#define CI_OFFSET_2 32 + + +GLenum doubleBuffer; + +static void Init(void) +{ + GLint errno; + GLuint prognum; + + static const char *prog1 = + "!!ARBvp1.0\n" + "OPTION ARB_position_invariant ;" + "MOV result.color, vertex.color;\n" + "END\n"; + + + glGenProgramsARB(1, &prognum); + + glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum); + glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, + strlen(prog1), (const GLubyte *) prog1); + + errno = glGetError(); + printf("glGetError = %d\n", errno); + if (errno != GL_NO_ERROR) + { + GLint errorpos; + + glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos); + printf("errorpos: %d\n", errorpos); + printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)); + } + + 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); +} + +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); + + glEnable(GL_VERTEX_PROGRAM_ARB); + + glBegin(GL_TRIANGLES); + glColor3f(0,0,.7); + glVertex3f( 0.9, -0.9, -0.0); + glColor3f(.8,0,0); + glVertex3f( 0.9, 0.9, -0.0); + glColor3f(0,.9,0); + glVertex3f(-0.9, 0.0, -0.0); + glEnd(); + + 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); + } + + glewInit(); + Init(); + + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutDisplayFunc(Draw); + glutMainLoop(); + return 0; +} |