1 files changed, 0 insertions, 234 deletions
diff --git a/progs/trivial/clear-fbo-scissor.c b/progs/trivial/clear-fbo-scissor.c
deleted file mode 100644
index 6a605e16a8..0000000000
--- a/progs/trivial/clear-fbo-scissor.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * Use scissor to clear the four quadrants of the FBO to different
- * colors.  Then draw a grey triangle in the middle.
- */
-
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <string.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-#include <GL/glu.h>
-
-
-static int Width = 512, Height = 512;
-static GLuint MyFB, MyRB;
-static GLboolean UseTex = GL_FALSE;
-static GLboolean UseCopyPix = GL_FALSE;
-
-
-#define CheckError() \
-   do { \
-      GLenum err = glGetError(); \
-      if (err != GL_NO_ERROR) \
-         printf("Error: %s\n", gluErrorString(err)); \
-      assert(err == GL_NO_ERROR); \
-   } while (0)
-
-
-static void
-Init(void)
-{
-   GLenum status;
-
-   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);
-
-   if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
-      printf("GL_EXT_framebuffer_object not found!\n");
-      exit(0);
-   }
-
-   glGenFramebuffersEXT(1, &MyFB);
-   glGenRenderbuffersEXT(1, &MyRB);
-
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
-
-   if (UseTex) {
-      GLuint tex;
-      glGenTextures(1, &tex);
-      glBindTexture(GL_TEXTURE_2D, tex);
-      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, Width, Height, 0,
-                   GL_RGBA, GL_UNSIGNED_BYTE, NULL);
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-      glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, 
-                                GL_COLOR_ATTACHMENT0_EXT,
-                                GL_TEXTURE_2D, tex, 0);
-   }
-   else {
-      glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, MyRB);
-
-      glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
-                                   GL_COLOR_ATTACHMENT0_EXT,
-                                   GL_RENDERBUFFER_EXT, MyRB);
-
-      glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
-   }
-
-   status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
-   if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
-      fprintf(stderr, "Framebuffer object is incomplete (0x%x)!\n", status);
-   }
-
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
-}
-
-
-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, -1.0, 1.0);
-   glMatrixMode(GL_MODELVIEW);
-
-   Width = width;
-   Height = height;
-   if (!UseTex) {
-      glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
-   }
-}
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
-   if (key == 27) {
-      exit(0);
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-Draw(void)
-{
-   GLboolean scissor = GL_TRUE;
-
-   /* draw to user framebuffer */
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
-   glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
-   glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
-
-   glViewport(0, 0, Width, Height);
-   CheckError();
-
-   if (scissor) {
-      glEnable(GL_SCISSOR_TEST);
-
-      /* lower-left = red */
-      glClearColor(1, 0, 0, 0);
-      glScissor(0, 0, Width / 2, Height / 2);
-      glClear(GL_COLOR_BUFFER_BIT); 
-
-      /* lower-right = green */
-      glClearColor(0, 1, 0, 0);
-      glScissor(Width / 2, 0, Width - Width / 2, Height / 2);
-      glClear(GL_COLOR_BUFFER_BIT); 
-
-      /* upper-left = blue */
-      glClearColor(0, 0, 1, 0);
-      glScissor(0, Height / 2, Width / 2, Height - Height / 2);
-      glClear(GL_COLOR_BUFFER_BIT); 
-
-      /* upper-right = white */
-      glClearColor(1, 1, 1, 0);
-      glScissor(Width / 2, Height / 2, Width - Width / 2, Height - Height / 2);
-      glClear(GL_COLOR_BUFFER_BIT); 
-
-      glDisable(GL_SCISSOR_TEST);
-   }
-   else {
-      glClearColor(0, 1, 0, 0);
-      glClear(GL_COLOR_BUFFER_BIT);
-   }
-
-   CheckError();
-
-   /* gray triangle in middle, pointing up */
-   glColor3f(0.5, 0.5, 0.5);
-   glBegin(GL_TRIANGLES);
-   glVertex2f(Width/4, Height/4);
-   glVertex2f(Width*3/4, Height/4);
-   glVertex2f(Width/2, Height*3/4);
-   glVertex2f(-0.5, -0.5);
-   glVertex2f(+0.5, -0.5);
-   glVertex2f( 0.0, 0.7);
-   glEnd();
-
-   CheckError();
-
-   /* copy fbo to window */
-   glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, MyFB);
-   glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
-   glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
-   glDrawBuffer(GL_BACK);
-   
-   if (UseCopyPix) {
-      glWindowPos2i(0, 0);
-      glCopyPixels(0, 0, Width, Height, GL_COLOR);
-   }
-   else {
-      GLubyte *buffer = malloc(Width * Height * 4);
-
-      /* 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);
-   }
-
-   /* Bind normal framebuffer */
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
-
-   glutSwapBuffers();
-
-   CheckError();
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   int i;
-
-   glutInit(&argc, argv);
-   glutInitWindowPosition(100, 0);
-   glutInitWindowSize(Width, Height);
-   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-t") == 0)
-         UseTex = GL_TRUE;
-      else if (strcmp(argv[i], "-c") == 0)
-         UseCopyPix = GL_TRUE;
-   }
-
-   if (UseTex)
-      printf("Using render to texture\n");
-   else
-      printf("Using user-created render buffer\n");
-
-   if (!glutCreateWindow(argv[0])) {
-      exit(1);
-   }
-
-   glewInit();
-   Init();
-   glutReshapeFunc(Reshape);
-   glutKeyboardFunc(Key);
-   glutDisplayFunc(Draw);
-   glutMainLoop();
-   return 0;
-}