diff options
Diffstat (limited to 'progs/trivial/vbo-drawarrays.c')
-rw-r--r-- | progs/trivial/vbo-drawarrays.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/progs/trivial/vbo-drawarrays.c b/progs/trivial/vbo-drawarrays.c deleted file mode 100644 index cb26e84115..0000000000 --- a/progs/trivial/vbo-drawarrays.c +++ /dev/null @@ -1,134 +0,0 @@ -/* 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[3]; - GLubyte color[4]; -} verts[] = -{ - { { 0.9, -0.9, 0.0 }, - { 0x00, 0x00, 0xff, 0x00 } - }, - - { { 0.9, 0.9, 0.0 }, - { 0x00, 0xff, 0x00, 0x00 } - }, - - { { -0.9, 0.9, 0.0 }, - { 0xff, 0x00, 0x00, 0x00 } - }, - - { { -0.9, -0.9, 0.0 }, - { 0xff, 0xff, 0xff, 0x00 } - }, -}; - -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( 3, GL_FLOAT, sizeof(verts[0]), 0 ); - glColorPointer( 4, GL_UNSIGNED_BYTE, sizeof(verts[0]), (void *)(3*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 ); - - 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; -} |