summaryrefslogtreecommitdiffstats
path: root/progs/tests/fbotest1.c
diff options
context:
space:
mode:
Diffstat (limited to 'progs/tests/fbotest1.c')
-rw-r--r--progs/tests/fbotest1.c204
1 files changed, 0 insertions, 204 deletions
diff --git a/progs/tests/fbotest1.c b/progs/tests/fbotest1.c
deleted file mode 100644
index ed72ab16dd8..00000000000
--- a/progs/tests/fbotest1.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * Test GL_EXT_framebuffer_object
- *
- * Brian Paul
- * 7 Feb 2005
- */
-
-
-#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, MyRB;
-
-
-static void
-CheckError(int line)
-{
- GLenum err = glGetError();
- if (err) {
- printf("GL Error 0x%x at line %d\n", (int) err, line);
- }
-}
-
-
-static void
-Display( void )
-{
- GLubyte *buffer = malloc(Width * Height * 4);
- GLenum status;
-
- /* 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("Framebuffer incomplete!!!\n");
- }
-
- glClearColor(0.5, 0.5, 1.0, 0.0);
- glClear( GL_COLOR_BUFFER_BIT );
-
- glBegin(GL_POLYGON);
- glColor3f(1, 0, 0);
- glVertex2f(-1, -1);
- glColor3f(0, 1, 0);
- glVertex2f(1, -1);
- glColor3f(0, 0, 1);
- glVertex2f(0, 1);
- glEnd();
-
- /* 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 )
-{
-#if 0
- float ar = (float) width / (float) height;
-#endif
- glViewport( 0, 0, width, height );
- glMatrixMode( GL_PROJECTION );
- glLoadIdentity();
-#if 0
- glFrustum( -ar, ar, -1.0, 1.0, 5.0, 25.0 );
-#else
- glOrtho(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
-#endif
- glMatrixMode( GL_MODELVIEW );
- glLoadIdentity();
- glTranslatef( 0.0, 0.0, -15.0 );
- Width = width;
- Height = height;
- glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
-}
-
-
-static void
-CleanUp(void)
-{
- glDeleteFramebuffersEXT(1, &MyFB);
- glDeleteRenderbuffersEXT(1, &MyRB);
- assert(!glIsFramebufferEXT(MyFB));
- assert(!glIsRenderbufferEXT(MyRB));
- exit(0);
-}
-
-
-static void
-Key( unsigned char key, int x, int y )
-{
- (void) x;
- (void) y;
- switch (key) {
- case 27:
- CleanUp();
- break;
- }
- glutPostRedisplay();
-}
-
-
-static void
-Init( void )
-{
- GLint i;
-
- if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
- printf("GL_EXT_framebuffer_object not found!\n");
- /*exit(0);*/
- }
- printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
- glGenFramebuffersEXT(1, &MyFB);
- assert(MyFB);
- assert(!glIsFramebufferEXT(MyFB));
- glDeleteFramebuffersEXT(1, &MyFB);
- assert(!glIsFramebufferEXT(MyFB));
- /* Note, continue to use MyFB below */
-
- glGenRenderbuffersEXT(1, &MyRB);
- assert(MyRB);
- assert(!glIsRenderbufferEXT(MyRB));
- glDeleteRenderbuffersEXT(1, &MyRB);
- assert(!glIsRenderbufferEXT(MyRB));
- MyRB = 42; /* an arbitrary ID */
-
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
- assert(glIsFramebufferEXT(MyFB));
- glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, MyRB);
- assert(glIsRenderbufferEXT(MyRB));
-
- glGetIntegerv(GL_RENDERBUFFER_BINDING_EXT, &i);
- assert(i == MyRB);
-
- glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &i);
- assert(i == MyFB);
-
- CheckError(__LINE__);
- glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
- GL_RENDERBUFFER_EXT, MyRB);
-
- glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
-
- CheckError(__LINE__);
-
- {
- GLint r, g, b, a;
- glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
- GL_RENDERBUFFER_RED_SIZE_EXT, &r);
- glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
- GL_RENDERBUFFER_GREEN_SIZE_EXT, &g);
- glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
- GL_RENDERBUFFER_BLUE_SIZE_EXT, &b);
- glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
- GL_RENDERBUFFER_ALPHA_SIZE_EXT, &a);
- CheckError(__LINE__);
- printf("renderbuffer RGBA sizes = %d %d %d %d\n", r, g, b, a);
-
- glGetIntegerv(GL_RED_BITS, &r);
- glGetIntegerv(GL_GREEN_BITS, &g);
- glGetIntegerv(GL_BLUE_BITS, &b);
- glGetIntegerv(GL_ALPHA_BITS, &a);
- printf("Visual RGBA sizes = %d %d %d %d\n", r, g, b, a);
- }
-
- /* 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 );
- Init();
- glutMainLoop();
- return 0;
-}