X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=progs%2Ftrivial%2Ftri-fbo-tex.c;fp=progs%2Ftrivial%2Ftri-fbo-tex.c;h=0000000000000000000000000000000000000000;hb=68fc4b415e322f6744299e39864fbc377c6eff74;hp=eacb7d577be7dd507278252de0b26f4df5024759;hpb=e4f4489e3fc0b36d72821b55794fb843b2b7fa5f;p=mesa.git

diff --git a/progs/trivial/tri-fbo-tex.c b/progs/trivial/tri-fbo-tex.c
deleted file mode 100644
index eacb7d577be..00000000000
--- a/progs/trivial/tri-fbo-tex.c
+++ /dev/null
@@ -1,255 +0,0 @@
-/* Framebuffer object test */
-
-
-#include <GL/glew.h>
-#include <GL/glut.h>
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-/* For debug */
-
-
-static int Win = 0;
-static int Width = 512, Height = 512;
-
-static GLenum TexTarget = GL_TEXTURE_2D;
-static int TexWidth = 512, TexHeight = 512;
-
-static GLuint MyFB;
-static GLuint TexObj;
-static GLboolean Anim = GL_FALSE;
-static GLfloat Rot = 0.0;
-static GLuint TextureLevel = 0;  /* which texture level to render to */
-static GLenum TexIntFormat = GL_RGB; /* either GL_RGB or GL_RGBA */
-
-
-static void
-CheckError(int line)
-{
-   GLenum err = glGetError();
-   if (err) {
-      printf("GL Error 0x%x at line %d\n", (int) err, line);
-   }
-}
-
-
-static void
-Idle(void)
-{
-   Rot = glutGet(GLUT_ELAPSED_TIME) * 0.1;
-   glutPostRedisplay();
-}
-
-
-static void
-RenderTexture(void)
-{
-   GLenum status;
-
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glOrtho(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef(0.0, 0.0, -15.0);
-
-   if (1) {
-      /* draw to texture image */
-      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
-
-      status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
-      if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
-	 printf("Framebuffer incomplete!!!\n");
-      }
-
-      glViewport(0, 0, TexWidth, TexHeight);
-
-      glClearColor(0.5, 0.5, 1.0, 0.0);
-      glClear(GL_COLOR_BUFFER_BIT);
-      
-      CheckError(__LINE__);
-
-      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();
-
-      /* Bind normal framebuffer */
-      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
-   }
-   else {
-   }
-
-   CheckError(__LINE__);
-}
-
-
-
-static void
-Display(void)
-{
-   float ar = (float) Width / (float) Height;
-
-   RenderTexture();
-   
-   /* draw textured quad in the window */
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glFrustum(-ar, ar, -1.0, 1.0, 5.0, 25.0);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef(0.0, 0.0, -7.0);
-
-   glViewport(0, 0, Width, Height);
-
-   glClearColor(0.25, 0.25, 0.25, 0);
-   glClear(GL_COLOR_BUFFER_BIT);
-
-   glPushMatrix();
-   glRotatef(Rot, 0, 1, 0);
-   glEnable(TexTarget);
-   glBindTexture(TexTarget, TexObj);
-
-   {
-      glBegin(GL_POLYGON);
-      glColor3f(0.25, 0.25, 0.25);
-      glTexCoord2f(0, 0);
-      glVertex2f(-1, -1);
-      glTexCoord2f(1, 0);
-      glVertex2f(1, -1);
-      glColor3f(1.0, 1.0, 1.0);
-      glTexCoord2f(1, 1);
-      glVertex2f(1, 1);
-      glTexCoord2f(0, 1);
-      glVertex2f(-1, 1);
-      glEnd();
-   }
-
-   glPopMatrix();
-   glDisable(TexTarget);
-
-   glutSwapBuffers();
-   CheckError(__LINE__);
-}
-
-
-static void
-Reshape(int width, int height)
-{
-   glViewport(0, 0, width, height);
-   Width = width;
-   Height = height;
-}
-
-
-static void
-CleanUp(void)
-{
-   glDeleteFramebuffersEXT(1, &MyFB);
-
-   glDeleteTextures(1, &TexObj);
-
-   glutDestroyWindow(Win);
-
-   exit(0);
-}
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
-   (void) x;
-   (void) y;
-   switch (key) {
-      case 'a':
-         Anim = !Anim;
-         if (Anim)
-            glutIdleFunc(Idle);
-         else
-            glutIdleFunc(NULL);
-         break;
-      case 's':
-         Rot += 2.0;
-         break;
-      case 27:
-         CleanUp();
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-Init(int argc, char *argv[])
-{
-   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));
-
-
-   /* Make texture object/image */
-   glGenTextures(1, &TexObj);
-   glBindTexture(TexTarget, TexObj);
-   glTexParameteri(TexTarget, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-   glTexParameteri(TexTarget, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-   glTexParameteri(TexTarget, GL_TEXTURE_BASE_LEVEL, TextureLevel);
-   glTexParameteri(TexTarget, GL_TEXTURE_MAX_LEVEL, TextureLevel);
-
-   glTexImage2D(TexTarget, 0, TexIntFormat, TexWidth, TexHeight, 0,
-                GL_RGBA, GL_UNSIGNED_BYTE, NULL);
-
-
-   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-
-
-
-
-   /* gen framebuffer id, delete it, do some assertions, just for testing */
-   glGenFramebuffersEXT(1, &MyFB);
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
-   assert(glIsFramebufferEXT(MyFB));
-
-
-   CheckError(__LINE__);
-
-   /* Render color to texture */
-   glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
-                             TexTarget, TexObj, TextureLevel);
-
-
-
-   CheckError(__LINE__);
-
-   /* bind regular framebuffer */
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
-
-
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(Width, Height);
-   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
-   Win = glutCreateWindow(argv[0]);
-   glewInit();
-   glutReshapeFunc(Reshape);
-   glutKeyboardFunc(Key);
-   glutDisplayFunc(Display);
-   if (Anim)
-      glutIdleFunc(Idle);
-   Init(argc, argv);
-   glutMainLoop();
-   return 0;
-}