summaryrefslogtreecommitdiffstats
path: root/progs/tests/fbotest2.c
diff options
context:
space:
mode:
Diffstat (limited to 'progs/tests/fbotest2.c')
-rw-r--r--progs/tests/fbotest2.c199
1 files changed, 0 insertions, 199 deletions
diff --git a/progs/tests/fbotest2.c b/progs/tests/fbotest2.c
deleted file mode 100644
index c3117b0f767..00000000000
--- a/progs/tests/fbotest2.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * Test GL_EXT_framebuffer_object
- *
- * Brian Paul
- * 19 Mar 2006
- */
-
-
-#define GL_GLEXT_PROTOTYPES
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glut.h>
-
-static int Width = 400, Height = 400;
-static GLuint MyFB, ColorRb, DepthRb;
-static GLboolean Animate = GL_TRUE;
-static GLfloat Rotation = 0.0;
-
-
-static void
-CheckError(int line)
-{
- GLenum err = glGetError();
- if (err) {
- printf("fbotest2: GL Error 0x%x at line %d\n", (int) err, line);
- }
-}
-
-
-static void
-Display( void )
-{
- GLubyte *buffer = malloc(Width * Height * 4);
- GLenum status;
-
- CheckError(__LINE__);
-
- /* draw to user framebuffer */
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
- glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
- glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
-
- status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
- if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- printf("fbotest2: Error: Framebuffer is incomplete!!!\n");
- }
-
- CheckError(__LINE__);
-
- glClearColor(0.5, 0.5, 1.0, 0.0);
- glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
-
- glEnable(GL_DEPTH_TEST);
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
-
- glPushMatrix();
- glRotatef(30.0, 1, 0, 0);
- glRotatef(Rotation, 0, 1, 0);
- glutSolidTeapot(2.0);
- glPopMatrix();
-
- /* read from user framebuffer */
- glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
-
- /* draw to window */
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
- glWindowPos2iARB(0, 0);
- glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
-
- free(buffer);
- glutSwapBuffers();
- CheckError(__LINE__);
-}
-
-
-static void
-Reshape( int width, int height )
-{
- float ar = (float) width / (float) height;
-
- glViewport( 0, 0, width, height );
- glMatrixMode( GL_PROJECTION );
- glLoadIdentity();
- glFrustum( -ar, ar, -1.0, 1.0, 5.0, 25.0 );
-
- glMatrixMode( GL_MODELVIEW );
- glLoadIdentity();
- glTranslatef( 0.0, 0.0, -15.0 );
-
- glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, ColorRb);
- glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, width, height);
- glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, DepthRb);
- glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT,
- width, height);
-
- Width = width;
- Height = height;
-}
-
-
-static void
-CleanUp(void)
-{
- glDeleteFramebuffersEXT(1, &MyFB);
- glDeleteRenderbuffersEXT(1, &ColorRb);
- glDeleteRenderbuffersEXT(1, &DepthRb);
- assert(!glIsFramebufferEXT(MyFB));
- assert(!glIsRenderbufferEXT(ColorRb));
- assert(!glIsRenderbufferEXT(DepthRb));
- exit(0);
-}
-
-
-static void
-Idle(void)
-{
- Rotation = glutGet(GLUT_ELAPSED_TIME) * 0.1;
- glutPostRedisplay();
-}
-
-
-static void
-Key( unsigned char key, int x, int y )
-{
- (void) x;
- (void) y;
- switch (key) {
- case 'a':
- Animate = !Animate;
- if (Animate)
- glutIdleFunc(Idle);
- else
- glutIdleFunc(NULL);
- break;
- case 27:
- CleanUp();
- break;
- }
- glutPostRedisplay();
-}
-
-
-static void
-Init( void )
-{
- if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
- printf("fbotest2: GL_EXT_framebuffer_object not found!\n");
- exit(0);
- }
- printf("fbotest2: GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
- glGenFramebuffersEXT(1, &MyFB);
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
- assert(glIsFramebufferEXT(MyFB));
-
- /* set color buffer */
- glGenRenderbuffersEXT(1, &ColorRb);
- glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, ColorRb);
- assert(glIsRenderbufferEXT(ColorRb));
- glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
- GL_RENDERBUFFER_EXT, ColorRb);
- glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
-
- /* setup depth buffer */
- glGenRenderbuffersEXT(1, &DepthRb);
- glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, DepthRb);
- assert(glIsRenderbufferEXT(DepthRb));
- glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
- GL_RENDERBUFFER_EXT, DepthRb);
- glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, Width, Height);
-
- CheckError(__LINE__);
-
- /* restore to default */
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
- CheckError(__LINE__);
-}
-
-
-int
-main( int argc, char *argv[] )
-{
- glutInit( &argc, argv );
- glutInitWindowPosition( 0, 0 );
- glutInitWindowSize(Width, Height);
- glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
- glutCreateWindow(argv[0]);
- glutReshapeFunc( Reshape );
- glutKeyboardFunc( Key );
- glutDisplayFunc( Display );
- if (Animate)
- glutIdleFunc(Idle);
- Init();
- glutMainLoop();
- return 0;
-}