progs/es: Move OpenGL ES demos to subdirectories of progs/egl.

Move

  progs/es1/xegl -> progs/egl/opengles1,
  progs/es1/screen -> progs/egl/opengles1/screen,
  progs/es2/xegl -> progs/egl/opengles2.

1 files changed, 0 insertions, 516 deletions

diff --git a/progs/es2/xegl/tri.c b/progs/es2/xegl/tri.c
deleted file mode 100644
index 8981d8a7e21..00000000000
--- a/progs/es2/xegl/tri.c
+++ /dev/null
@@ -1,516 +0,0 @@
-/**************************************************************************
- * 
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- **************************************************************************/
-
-/*
- * Draw a triangle with X/EGL and OpenGL ES 2.x
- */
-
-#define USE_FULL_GL 0
-
-
-
-#include <assert.h>
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
-#if USE_FULL_GL
-#include <GL/gl.h>  /* use full OpenGL */
-#else
-#include <GLES2/gl2.h>  /* use OpenGL ES 2.x */
-#endif
-#include <EGL/egl.h>
-
-
-#define FLOAT_TO_FIXED(X)   ((X) * 65535.0)
-
-
-
-static GLfloat view_rotx = 0.0, view_roty = 0.0;
-
-static GLint u_matrix = -1;
-static GLint attr_pos = 0, attr_color = 1;
-
-
-static void
-make_z_rot_matrix(GLfloat angle, GLfloat *m)
-{
-   float c = cos(angle * M_PI / 180.0);
-   float s = sin(angle * M_PI / 180.0);
-   int i;
-   for (i = 0; i < 16; i++)
-      m[i] = 0.0;
-   m[0] = m[5] = m[10] = m[15] = 1.0;
-
-   m[0] = c;
-   m[1] = s;
-   m[4] = -s;
-   m[5] = c;
-}
-
-static void
-make_scale_matrix(GLfloat xs, GLfloat ys, GLfloat zs, GLfloat *m)
-{
-   int i;
-   for (i = 0; i < 16; i++)
-      m[i] = 0.0;
-   m[0] = xs;
-   m[5] = ys;
-   m[10] = zs;
-   m[15] = 1.0;
-}
-
-
-static void
-mul_matrix(GLfloat *prod, const GLfloat *a, const GLfloat *b)
-{
-#define A(row,col)  a[(col<<2)+row]
-#define B(row,col)  b[(col<<2)+row]
-#define P(row,col)  p[(col<<2)+row]
-   GLfloat p[16];
-   GLint i;
-   for (i = 0; i < 4; i++) {
-      const GLfloat ai0=A(i,0),  ai1=A(i,1),  ai2=A(i,2),  ai3=A(i,3);
-      P(i,0) = ai0 * B(0,0) + ai1 * B(1,0) + ai2 * B(2,0) + ai3 * B(3,0);
-      P(i,1) = ai0 * B(0,1) + ai1 * B(1,1) + ai2 * B(2,1) + ai3 * B(3,1);
-      P(i,2) = ai0 * B(0,2) + ai1 * B(1,2) + ai2 * B(2,2) + ai3 * B(3,2);
-      P(i,3) = ai0 * B(0,3) + ai1 * B(1,3) + ai2 * B(2,3) + ai3 * B(3,3);
-   }
-   memcpy(prod, p, sizeof(p));
-#undef A
-#undef B
-#undef PROD
-}
-
-
-static void
-draw(void)
-{
-   static const GLfloat verts[3][2] = {
-      { -1, -1 },
-      {  1, -1 },
-      {  0,  1 }
-   };
-   static const GLfloat colors[3][3] = {
-      { 1, 0, 0 },
-      { 0, 1, 0 },
-      { 0, 0, 1 }
-   };
-   GLfloat mat[16], rot[16], scale[16];
-
-   /* Set modelview/projection matrix */
-   make_z_rot_matrix(view_rotx, rot);
-   make_scale_matrix(0.5, 0.5, 0.5, scale);
-   mul_matrix(mat, rot, scale);
-   glUniformMatrix4fv(u_matrix, 1, GL_FALSE, mat);
-
-   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-   {
-      glVertexAttribPointer(attr_pos, 2, GL_FLOAT, GL_FALSE, 0, verts);
-      glVertexAttribPointer(attr_color, 3, GL_FLOAT, GL_FALSE, 0, colors);
-      glEnableVertexAttribArray(attr_pos);
-      glEnableVertexAttribArray(attr_color);
-
-      glDrawArrays(GL_TRIANGLES, 0, 3);
-
-      glDisableVertexAttribArray(attr_pos);
-      glDisableVertexAttribArray(attr_color);
-   }
-}
-
-
-/* new window size or exposure */
-static void
-reshape(int width, int height)
-{
-   glViewport(0, 0, (GLint) width, (GLint) height);
-}
-
-
-static void
-create_shaders(void)
-{
-   static const char *fragShaderText =
-      "varying vec4 v_color;\n"
-      "void main() {\n"
-      "   gl_FragColor = v_color;\n"
-      "}\n";
-   static const char *vertShaderText =
-      "uniform mat4 modelviewProjection;\n"
-      "attribute vec4 pos;\n"
-      "attribute vec4 color;\n"
-      "varying vec4 v_color;\n"
-      "void main() {\n"
-      "   gl_Position = modelviewProjection * pos;\n"
-      "   v_color = color;\n"
-      "}\n";
-
-   GLuint fragShader, vertShader, program;
-   GLint stat;
-
-   fragShader = glCreateShader(GL_FRAGMENT_SHADER);
-   glShaderSource(fragShader, 1, (const char **) &fragShaderText, NULL);
-   glCompileShader(fragShader);
-   glGetShaderiv(fragShader, GL_COMPILE_STATUS, &stat);
-   if (!stat) {
-      printf("Error: fragment shader did not compile!\n");
-      exit(1);
-   }
-
-   vertShader = glCreateShader(GL_VERTEX_SHADER);
-   glShaderSource(vertShader, 1, (const char **) &vertShaderText, NULL);
-   glCompileShader(vertShader);
-   glGetShaderiv(vertShader, GL_COMPILE_STATUS, &stat);
-   if (!stat) {
-      printf("Error: vertex shader did not compile!\n");
-      exit(1);
-   }
-
-   program = glCreateProgram();
-   glAttachShader(program, fragShader);
-   glAttachShader(program, vertShader);
-   glLinkProgram(program);
-
-   glGetProgramiv(program, GL_LINK_STATUS, &stat);
-   if (!stat) {
-      char log[1000];
-      GLsizei len;
-      glGetProgramInfoLog(program, 1000, &len, log);
-      printf("Error: linking:\n%s\n", log);
-      exit(1);
-   }
-
-   glUseProgram(program);
-
-   if (1) {
-      /* test setting attrib locations */
-      glBindAttribLocation(program, attr_pos, "pos");
-      glBindAttribLocation(program, attr_color, "color");
-      glLinkProgram(program);  /* needed to put attribs into effect */
-   }
-   else {
-      /* test automatic attrib locations */
-      attr_pos = glGetAttribLocation(program, "pos");
-      attr_color = glGetAttribLocation(program, "color");
-   }
-
-   u_matrix = glGetUniformLocation(program, "modelviewProjection");
-   printf("Uniform modelviewProjection at %d\n", u_matrix);
-   printf("Attrib pos at %d\n", attr_pos);
-   printf("Attrib color at %d\n", attr_color);
-}
-
-
-static void
-init(void)
-{
-   typedef void (*proc)();
-
-#if 1 /* test code */
-   proc p = eglGetProcAddress("glMapBufferOES");
-   assert(p);
-#endif
-
-   glClearColor(0.4, 0.4, 0.4, 0.0);
-
-   create_shaders();
-}
-
-
-/*
- * Create an RGB, double-buffered X window.
- * Return the window and context handles.
- */
-static void
-make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
-              const char *name,
-              int x, int y, int width, int height,
-              Window *winRet,
-              EGLContext *ctxRet,
-              EGLSurface *surfRet)
-{
-   static const EGLint attribs[] = {
-      EGL_RED_SIZE, 1,
-      EGL_GREEN_SIZE, 1,
-      EGL_BLUE_SIZE, 1,
-      EGL_DEPTH_SIZE, 1,
-      EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
-      EGL_NONE
-   };
-   static const EGLint ctx_attribs[] = {
-      EGL_CONTEXT_CLIENT_VERSION, 2,
-      EGL_NONE
-   };
-   int scrnum;
-   XSetWindowAttributes attr;
-   unsigned long mask;
-   Window root;
-   Window win;
-   XVisualInfo *visInfo, visTemplate;
-   int num_visuals;
-   EGLContext ctx;
-   EGLConfig config;
-   EGLint num_configs;
-   EGLint vid;
-
-   scrnum = DefaultScreen( x_dpy );
-   root = RootWindow( x_dpy, scrnum );
-
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
-      printf("Error: couldn't get an EGL visual config\n");
-      exit(1);
-   }
-
-   assert(config);
-   assert(num_configs > 0);
-
-   if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
-      printf("Error: eglGetConfigAttrib() failed\n");
-      exit(1);
-   }
-
-   /* The X window visual must match the EGL config */
-   visTemplate.visualid = vid;
-   visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
-   if (!visInfo) {
-      printf("Error: couldn't get X visual\n");
-      exit(1);
-   }
-
-   /* window attributes */
-   attr.background_pixel = 0;
-   attr.border_pixel = 0;
-   attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
-   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
-   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
-
-   win = XCreateWindow( x_dpy, root, 0, 0, width, height,
-		        0, visInfo->depth, InputOutput,
-		        visInfo->visual, mask, &attr );
-
-   /* set hints and properties */
-   {
-      XSizeHints sizehints;
-      sizehints.x = x;
-      sizehints.y = y;
-      sizehints.width  = width;
-      sizehints.height = height;
-      sizehints.flags = USSize | USPosition;
-      XSetNormalHints(x_dpy, win, &sizehints);
-      XSetStandardProperties(x_dpy, win, name, name,
-                              None, (char **)NULL, 0, &sizehints);
-   }
-
-#if USE_FULL_GL /* XXX fix this when eglBindAPI() works */
-   eglBindAPI(EGL_OPENGL_API);
-#else
-   eglBindAPI(EGL_OPENGL_ES_API);
-#endif
-
-   ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, ctx_attribs );
-   if (!ctx) {
-      printf("Error: eglCreateContext failed\n");
-      exit(1);
-   }
-
-   /* test eglQueryContext() */
-   {
-      EGLint val;
-      eglQueryContext(egl_dpy, ctx, EGL_CONTEXT_CLIENT_VERSION, &val);
-      assert(val == 2);
-   }
-
-   *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
-   if (!*surfRet) {
-      printf("Error: eglCreateWindowSurface failed\n");
-      exit(1);
-   }
-
-   /* sanity checks */
-   {
-      EGLint val;
-      eglQuerySurface(egl_dpy, *surfRet, EGL_WIDTH, &val);
-      assert(val == width);
-      eglQuerySurface(egl_dpy, *surfRet, EGL_HEIGHT, &val);
-      assert(val == height);
-      assert(eglGetConfigAttrib(egl_dpy, config, EGL_SURFACE_TYPE, &val));
-      assert(val & EGL_WINDOW_BIT);
-   }
-
-   XFree(visInfo);
-
-   *winRet = win;
-   *ctxRet = ctx;
-}
-
-
-static void
-event_loop(Display *dpy, Window win,
-           EGLDisplay egl_dpy, EGLSurface egl_surf)
-{
-   while (1) {
-      int redraw = 0;
-      XEvent event;
-
-      XNextEvent(dpy, &event);
-
-      switch (event.type) {
-      case Expose:
-         redraw = 1;
-         break;
-      case ConfigureNotify:
-         reshape(event.xconfigure.width, event.xconfigure.height);
-         break;
-      case KeyPress:
-         {
-            char buffer[10];
-            int r, code;
-            code = XLookupKeysym(&event.xkey, 0);
-            if (code == XK_Left) {
-               view_roty += 5.0;
-            }
-            else if (code == XK_Right) {
-               view_roty -= 5.0;
-            }
-            else if (code == XK_Up) {
-               view_rotx += 5.0;
-            }
-            else if (code == XK_Down) {
-               view_rotx -= 5.0;
-            }
-            else {
-               r = XLookupString(&event.xkey, buffer, sizeof(buffer),
-                                 NULL, NULL);
-               if (buffer[0] == 27) {
-                  /* escape */
-                  return;
-               }
-            }
-         }
-         redraw = 1;
-         break;
-      default:
-         ; /*no-op*/
-      }
-
-      if (redraw) {
-         draw();
-         eglSwapBuffers(egl_dpy, egl_surf);
-      }
-   }
-}
-
-
-static void
-usage(void)
-{
-   printf("Usage:\n");
-   printf("  -display <displayname>  set the display to run on\n");
-   printf("  -info                   display OpenGL renderer info\n");
-}
- 
-
-int
-main(int argc, char *argv[])
-{
-   const int winWidth = 300, winHeight = 300;
-   Display *x_dpy;
-   Window win;
-   EGLSurface egl_surf;
-   EGLContext egl_ctx;
-   EGLDisplay egl_dpy;
-   char *dpyName = NULL;
-   GLboolean printInfo = GL_FALSE;
-   EGLint egl_major, egl_minor;
-   int i;
-   const char *s;
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-display") == 0) {
-         dpyName = argv[i+1];
-         i++;
-      }
-      else if (strcmp(argv[i], "-info") == 0) {
-         printInfo = GL_TRUE;
-      }
-      else {
-         usage();
-         return -1;
-      }
-   }
-
-   x_dpy = XOpenDisplay(dpyName);
-   if (!x_dpy) {
-      printf("Error: couldn't open display %s\n",
-	     dpyName ? dpyName : getenv("DISPLAY"));
-      return -1;
-   }
-
-   egl_dpy = eglGetDisplay(x_dpy);
-   if (!egl_dpy) {
-      printf("Error: eglGetDisplay() failed\n");
-      return -1;
-   }
-
-   if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
-      printf("Error: eglInitialize() failed\n");
-      return -1;
-   }
-
-   s = eglQueryString(egl_dpy, EGL_VERSION);
-   printf("EGL_VERSION = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_VENDOR);
-   printf("EGL_VENDOR = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
-   printf("EGL_EXTENSIONS = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
-   printf("EGL_CLIENT_APIS = %s\n", s);
-
-   make_x_window(x_dpy, egl_dpy,
-                 "OpenGL ES 2.x tri", 0, 0, winWidth, winHeight,
-                 &win, &egl_ctx, &egl_surf);
-
-   XMapWindow(x_dpy, win);
-   if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
-      printf("Error: eglMakeCurrent() failed\n");
-      return -1;
-   }
-
-   if (printInfo) {
-      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
-      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
-      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
-   }
-
-   init();
-
-   /* Set initial projection/viewing transformation.
-    * We can't be sure we'll get a ConfigureNotify event when the window
-    * first appears.
-    */
-   reshape(winWidth, winHeight);
-
-   event_loop(x_dpy, win, egl_dpy, egl_surf);
-
-   eglDestroyContext(egl_dpy, egl_ctx);
-   eglDestroySurface(egl_dpy, egl_surf);
-   eglTerminate(egl_dpy);
-
-
-   XDestroyWindow(x_dpy, win);
-   XCloseDisplay(x_dpy);
-
-   return 0;
-}