diff options
Diffstat (limited to 'progs/trivial/tri-fp.c')
-rw-r--r-- | progs/trivial/tri-fp.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/progs/trivial/tri-fp.c b/progs/trivial/tri-fp.c deleted file mode 100644 index 6ecfef4d2a..0000000000 --- a/progs/trivial/tri-fp.c +++ /dev/null @@ -1,170 +0,0 @@ -/* - * 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/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 = - "!!ARBfp1.0\n" - "MOV result.color, fragment.texcoord[1];\n" - /* "MOV result.color, fragment.color;\n" */ - "END\n"; - - - 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); - - /* Setup the fragment program */ - glGenProgramsARB(1, &prognum); - glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, prognum); - glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, - strlen(prog1), (const GLubyte *)prog1); - - errno = glGetError(); - printf("glGetError = 0x%x\n", errno); - if (errno != GL_NO_ERROR) { - GLint errorpos; - - glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos); - printf("errorpos: %d\n", errorpos); - printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n", - (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB)); - } - glEnable(GL_FRAGMENT_PROGRAM_ARB); - - 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: - break; - } - - glutPostRedisplay(); -} - -static void Draw(void) -{ - glClear(GL_COLOR_BUFFER_BIT); - - glBegin(GL_TRIANGLES); - glColor3f(0,0,.7); - glTexCoord3f(0,0,.7); - glVertex3f( 0.9, -0.9, -0.0); - glColor3f(.8,0,0); - glTexCoord3f(.8,0,0); - glVertex3f( 0.9, 0.9, -0.0); - glColor3f(0,.9,0); - glTexCoord3f(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; -} |