diff options
Diffstat (limited to 'progs/trivial/tri-multitex-vbo.c')
-rw-r--r-- | progs/trivial/tri-multitex-vbo.c | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/progs/trivial/tri-multitex-vbo.c b/progs/trivial/tri-multitex-vbo.c deleted file mode 100644 index ca4edaa5ddc..00000000000 --- a/progs/trivial/tri-multitex-vbo.c +++ /dev/null @@ -1,261 +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 NR_VERTS 4 - -struct { - GLfloat position[NR_VERTS][4]; - GLubyte color[NR_VERTS][4]; - GLfloat tex0[NR_VERTS][2]; - GLfloat tex1[NR_VERTS][2]; -} verts = { - - { { 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 } }, - - { { 0x00, 0x00, 0xff, 0x00 }, - { 0x00, 0xff, 0x00, 0x00 }, - { 0xff, 0x00, 0x00, 0x00 }, - { 0xff, 0xff, 0xff, 0x00 } - }, - - { { 1, -1 }, - { 1, 1 }, - { -1, 1 }, - { -1, -1 } }, - - { { 3, 0 }, - { 0, 3 }, - { -3, 0 }, - { 0, -3} }, - -}; - -GLuint indices[] = { 0, 1, 2, 3 }; - -GLuint arrayObj, elementObj; - - -GLenum doubleBuffer; - - -#define Offset(ptr, member) (void *)((const char *)&((ptr)->member) - (const char *)(ptr)) - -static void Init(void) -{ - GLuint texObj[2]; - - 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); - - glGenTextures(2, texObj); - -#define SIZE 32 - { - GLubyte tex2d[SIZE][SIZE][3]; - GLint s, t; - - for (s = 0; s < SIZE; s++) { - for (t = 0; t < SIZE; t++) { - tex2d[t][s][0] = s*255/(SIZE-1); - tex2d[t][s][1] = t*255/(SIZE-1); - tex2d[t][s][2] = 0; - } - } - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - glActiveTextureARB(GL_TEXTURE0_ARB); - glBindTexture(GL_TEXTURE_2D, texObj[0]); - - - glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0, - GL_RGB, GL_UNSIGNED_BYTE, tex2d); - - glEnable(GL_TEXTURE_2D); - glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - - glPixelStorei(GL_UNPACK_ALIGNMENT, 4); - } - - { - GLubyte tex2d[SIZE][SIZE][3]; - GLint s, t; - - for (s = 0; s < SIZE; s++) { - for (t = 0; t < SIZE; t++) { - GLboolean on = ((s/4) ^ (t/4)) & 1; - tex2d[t][s][0] = on ? 128 : 0; - tex2d[t][s][1] = on ? 128 : 0; - tex2d[t][s][2] = on ? 128 : 0; - } - } - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - glActiveTextureARB(GL_TEXTURE1_ARB); - glBindTexture(GL_TEXTURE_2D, texObj[1]); - - glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0, - GL_RGB, GL_UNSIGNED_BYTE, tex2d); - - glEnable(GL_TEXTURE_2D); - glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - - glPixelStorei(GL_UNPACK_ALIGNMENT, 4); - } - - glActiveTextureARB( GL_TEXTURE0_ARB ); - - - { - - glGenBuffersARB(1, &arrayObj); - glGenBuffersARB(1, &elementObj); - - glBindBufferARB(GL_ARRAY_BUFFER_ARB, arrayObj); - glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, elementObj); - - glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), &verts, GL_STATIC_DRAW_ARB); - glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, sizeof(indices), indices, GL_STATIC_DRAW_ARB); - - glEnableClientState( GL_VERTEX_ARRAY ); - glVertexPointer( 4, GL_FLOAT, 0, Offset(&verts, position) ); - - glEnableClientState( GL_COLOR_ARRAY ); - glColorPointer( 4, GL_UNSIGNED_BYTE, 0, Offset(&verts, color) ); - - glClientActiveTextureARB( GL_TEXTURE0_ARB ); - glEnableClientState( GL_TEXTURE_COORD_ARRAY ); - glTexCoordPointer( 2, GL_FLOAT, 0, Offset(&verts, tex0) ); - - glClientActiveTextureARB( GL_TEXTURE1_ARB ); - glEnableClientState( GL_TEXTURE_COORD_ARRAY ); - glTexCoordPointer( 2, GL_FLOAT, 0, Offset(&verts, tex1) ); - - glClientActiveTextureARB( GL_TEXTURE0_ARB ); - } -} - -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); - - glDrawElements( GL_TRIANGLES, 3, GL_UNSIGNED_INT, NULL ); - - 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; -} |