Remove demos that have moved to git+ssh://git.freedesktop.org/git/mesa/demos.

[mesa.git] / progs / glsl / fragcoord.c

diff --git a/progs/glsl/fragcoord.c b/progs/glsl/fragcoord.c
deleted file mode 100644 (file)
index 3dfcec8..0000000
--- a/progs/glsl/fragcoord.c
+++ /dev/null
@@ -1,181 +0,0 @@
-/**
- * Test GLSL gl_FragCoord fragment program attribute.
- * Color the quad's fragments according to their window position.
- *
- * Brian Paul
- * 20 Nov 2008
- */
-
-
-#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-#include "shaderutil.h"
-
-
-static GLint WinWidth = 200, WinHeight = 200;
-static char *FragProgFile = NULL;
-static char *VertProgFile = NULL;
-static GLuint fragShader;
-static GLuint vertShader;
-static GLuint program;
-static GLint win = 0;
-static GLboolean Anim = GL_TRUE;
-static GLfloat PosX = 0.0, PosY = 0.0;
-
-
-static void
-Idle(void)
-{
-   float r = (WinWidth < WinHeight) ? WinWidth : WinHeight;
-   float a = glutGet(GLUT_ELAPSED_TIME) * 0.001;
-   r *= 0.25;
-   PosX = WinWidth / 2 + r * cos(a);
-   PosY = WinHeight / 2 + r * sin(a);
-
-   glutPostRedisplay();
-}
-
-
-static void
-Redisplay(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT);
-
-   glPushMatrix();
-   glTranslatef(PosX, PosY, 0.0);
-#if 0
-   glBegin(GL_POLYGON);
-   glVertex2f(-50, -50);
-   glVertex2f( 50, -50);
-   glVertex2f( 50,  50);
-   glVertex2f(-50,  50);
-   glEnd();
-#else
-   glutSolidSphere(50, 20, 10);
-#endif
-   glPopMatrix();
-
-   glutSwapBuffers();
-}
-
-
-static void
-Reshape(int width, int height)
-{
-   glViewport(0, 0, width, height);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glOrtho(0, width, 0, height, -55, 55);
-
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-
-   WinWidth = width;
-   WinHeight = height;
-}
-
-
-static void
-CleanUp(void)
-{
-   glDeleteShader(fragShader);
-   glDeleteShader(vertShader);
-   glDeleteProgram(program);
-   glutDestroyWindow(win);
-}
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
-  (void) x;
-  (void) y;
-
-   switch(key) {
-   case ' ':
-   case 'a':
-      Anim = !Anim;
-      glutIdleFunc(Anim ? Idle : NULL);
-      break;
-   case 27:
-      CleanUp();
-      exit(0);
-      break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-Init(void)
-{
-   static const char *fragShaderText =
-      "void main() { \n"
-      "   vec4 scale = vec4(.005, 0.005, 0.5, 1.0);\n"
-      "   gl_FragColor = gl_FragCoord * scale; \n"
-      "}\n";
-   static const char *vertShaderText =
-      "void main() {\n"
-      "   gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n"
-      "}\n";
-
-   if (!ShadersSupported())
-      exit(1);
-
-   vertShader = CompileShaderText(GL_VERTEX_SHADER, vertShaderText);
-   fragShader = CompileShaderText(GL_FRAGMENT_SHADER, fragShaderText);
-   program = LinkShaders(vertShader, fragShader);
-
-   glUseProgram(program);
-
-   /*assert(glGetError() == 0);*/
-
-   glClearColor(0.3f, 0.3f, 0.3f, 0.0f);
-
-   printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
-
-   assert(glIsProgram(program));
-   assert(glIsShader(fragShader));
-   assert(glIsShader(vertShader));
-
-   glColor3f(1, 0, 0);
-}
-
-
-static void
-ParseOptions(int argc, char *argv[])
-{
-   int i;
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-fs") == 0) {
-         FragProgFile = argv[i+1];
-      }
-      else if (strcmp(argv[i], "-vs") == 0) {
-         VertProgFile = argv[i+1];
-      }
-   }
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   glutInit(&argc, argv);
-   glutInitWindowSize(WinWidth, WinHeight);
-   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
-   win = glutCreateWindow(argv[0]);
-   glewInit();
-   glutReshapeFunc(Reshape);
-   glutKeyboardFunc(Key);
-   glutDisplayFunc(Redisplay);
-   ParseOptions(argc, argv);
-   Init();
-   glutIdleFunc(Anim ? Idle : NULL);
-   glutMainLoop();
-   return 0;
-}