summaryrefslogtreecommitdiffstats
path: root/progs/trivial/vbo-noninterleaved.c
diff options
context:
space:
mode:
authorKeith Whitwell <[email protected]>2009-04-30 12:35:59 +0100
committerKeith Whitwell <[email protected]>2009-05-05 13:14:48 +0100
commit5f2569a1b997cf7577dc2d44e3670d0c55de905c (patch)
tree110941078cbd44199b765604988f190ab92335d7 /progs/trivial/vbo-noninterleaved.c
parent6b89c35c9f6557a160c8fc0c97a110d3afe4c82f (diff)
progs/trivial: add vbo-noninterleaved test
Diffstat (limited to 'progs/trivial/vbo-noninterleaved.c')
-rw-r--r--progs/trivial/vbo-noninterleaved.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/progs/trivial/vbo-noninterleaved.c b/progs/trivial/vbo-noninterleaved.c
new file mode 100644
index 00000000000..0672ca50ff1
--- /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;
+}