progs/es1: Add bindtex.

It is ported from progs/egl/xeglbindtex.c.  With the OpenGL ES port, the
OpenGL version is removed.

1 files changed, 0 insertions, 478 deletions

diff --git a/progs/egl/xeglbindtex.c b/progs/egl/xeglbindtex.c
deleted file mode 100644
index de0ede92ca4..00000000000
--- a/progs/egl/xeglbindtex.c
+++ /dev/null
@@ -1,478 +0,0 @@
-/*
- * Simple demo for eglBindTexImage.  Based on xegl_tri.c by
- *
- * Copyright (C) 2008  Brian Paul   All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/*
- * The spec says that eglBindTexImage supports only OpenGL ES context, but this
- * demo uses OpenGL context.  Keep in mind that this is non-standard.
- */
-
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
-#include <GL/gl.h>
-#include <EGL/egl.h>
-
-static EGLDisplay dpy;
-static EGLContext ctx_win, ctx_pbuf;
-static EGLSurface surf_win, surf_pbuf;
-static GLuint tex_pbuf;
-
-static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
-static GLboolean blend = GL_TRUE;
-static GLuint color_flow;
-
-static void
-make_pbuffer(int width, int height)
-{
-   static const EGLint config_attribs[] = {
-      EGL_RED_SIZE, 8,
-      EGL_GREEN_SIZE, 8,
-      EGL_BLUE_SIZE, 8,
-      EGL_BIND_TO_TEXTURE_RGB, EGL_TRUE,
-      EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
-      EGL_NONE
-   };
-   EGLint pbuf_attribs[] = {
-      EGL_WIDTH, width,
-      EGL_HEIGHT, height,
-      EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGB,
-      EGL_TEXTURE_TARGET, EGL_TEXTURE_2D,
-      EGL_NONE
-   };
-   EGLConfig config;
-   EGLint num_configs;
-
-   if (!eglChooseConfig(dpy, config_attribs, &config, 1, &num_configs) ||
-       !num_configs) {
-      printf("Error: couldn't get an EGL visual config for pbuffer\n");
-      exit(1);
-   }
-
-   eglBindAPI(EGL_OPENGL_API);
-   ctx_pbuf = eglCreateContext(dpy, config, EGL_NO_CONTEXT, NULL );
-   surf_pbuf = eglCreatePbufferSurface(dpy, config, pbuf_attribs);
-   if (surf_pbuf == EGL_NO_SURFACE) {
-      printf("failed to allocate pbuffer\n");
-      exit(1);
-   }
-}
-
-static void
-use_pbuffer(void)
-{
-   static int initialized;
-
-   eglMakeCurrent(dpy, surf_pbuf, surf_pbuf, ctx_pbuf);
-   if (!initialized) {
-      EGLint width, height;
-      GLfloat ar;
-
-      initialized = 1;
-
-      eglQuerySurface(dpy, surf_pbuf, EGL_WIDTH, &width);
-      eglQuerySurface(dpy, surf_pbuf, EGL_WIDTH, &height);
-      ar = (GLfloat) width / (GLfloat) height;
-
-      glViewport(0, 0, (GLint) width, (GLint) height);
-
-      glMatrixMode(GL_PROJECTION);
-      glLoadIdentity();
-      glFrustum(-ar, ar, -1, 1, 1.0, 10.0);
-
-      glMatrixMode(GL_MODELVIEW);
-      glLoadIdentity();
-
-      /* y-inverted */
-      glScalef(1.0, -1.0, 1.0);
-
-      glTranslatef(0.0, 0.0, -5.0);
-
-      glClearColor(0.2, 0.2, 0.2, 0.0);
-
-      glGenTextures(1, &tex_pbuf);
-   }
-}
-
-static void
-make_window(Display *x_dpy, const char *name,
-            int x, int y, int width, int height,
-            Window *winRet)
-{
-   static const EGLint attribs[] = {
-      EGL_RED_SIZE, 8,
-      EGL_GREEN_SIZE, 8,
-      EGL_BLUE_SIZE, 8,
-      EGL_ALPHA_SIZE, 8,
-      EGL_DEPTH_SIZE, 8,
-      EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
-      EGL_NONE
-   };
-
-   int scrnum;
-   XSetWindowAttributes attr;
-   unsigned long mask;
-   Window root;
-   Window win;
-   XVisualInfo *visInfo, visTemplate;
-   int num_visuals;
-   EGLConfig config;
-   EGLint num_configs, vid;
-
-   scrnum = DefaultScreen( x_dpy );
-   root = RootWindow( x_dpy, scrnum );
-
-   if (!eglChooseConfig(dpy, attribs, &config, 1, &num_configs) ||
-       !num_configs) {
-      printf("Error: couldn't get an EGL visual config\n");
-      exit(1);
-   }
-
-   if (!eglGetConfigAttrib(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;
-   attr.override_redirect = 0;
-   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect;
-
-   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);
-   }
-
-   eglBindAPI(EGL_OPENGL_API);
-   ctx_win = eglCreateContext(dpy, config, EGL_NO_CONTEXT, NULL );
-   if (!ctx_win) {
-      printf("Error: glXCreateContext failed\n");
-      exit(1);
-   }
-
-   surf_win = eglCreateWindowSurface(dpy, config, win, NULL);
-
-   XFree(visInfo);
-
-   *winRet = win;
-}
-
-static void
-use_window(void)
-{
-   static int initialized;
-
-   eglMakeCurrent(dpy, surf_win, surf_win, ctx_win);
-   if (!initialized) {
-      initialized = 1;
-      glEnable(GL_TEXTURE_2D);
-      glBindTexture(GL_TEXTURE_2D, tex_pbuf);
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-
-      glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-   }
-}
-
-static void
-draw_triangle(void)
-{
-   static const GLfloat verts[3][2] = {
-      { -3, -3 },
-      {  3, -3 },
-      {  0,  3 }
-   };
-   GLfloat colors[3][3] = {
-      { 1, 0, 0 },
-      { 0, 1, 0 },
-      { 0, 0, 1 }
-   };
-   GLint i;
-
-   /* flow the color */
-   for (i = 0; i < 3; i++) {
-      GLint first = (i + color_flow / 256) % 3;
-      GLint second = (first + 1) % 3;
-      GLint third = (second + 1) % 3;
-      GLfloat c = (color_flow % 256) / 256.0f;
-
-      c = c * c * c;
-      colors[i][first] = 1.0f - c;
-      colors[i][second] = c;
-      colors[i][third] = 0.0f;
-   }
-
-   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-   glVertexPointer(2, GL_FLOAT, 0, verts);
-   glColorPointer(3, GL_FLOAT, 0, colors);
-   glEnableClientState(GL_VERTEX_ARRAY);
-   glEnableClientState(GL_COLOR_ARRAY);
-
-   glDrawArrays(GL_TRIANGLES, 0, 3);
-
-   glDisableClientState(GL_VERTEX_ARRAY);
-   glDisableClientState(GL_COLOR_ARRAY);
-}
-
-static void
-draw_textured_cube(void)
-{
-   static const GLfloat verts[][2] = {
-      { -4, -4 },
-      {  4, -4 },
-      {  4,  4 },
-      { -4,  4 }
-   };
-   static const GLfloat colors[][4] = {
-      { 1, 1, 1, 0.5 },
-      { 1, 1, 1, 0.5 },
-      { 1, 1, 1, 0.5 },
-      { 1, 1, 1, 0.5 }
-   };
-   static const GLfloat texs[][2] = {
-      { 0, 0 },
-      { 1, 0 },
-      { 1, 1 },
-      { 0, 1 }
-   };
-   static const GLfloat xforms[6][4] = {
-      {   0, 0, 1, 0 },
-      {  90, 0, 1, 0 },
-      { 180, 0, 1, 0 },
-      { 270, 0, 1, 0 },
-      {  90, 1, 0, 0 },
-      { -90, 1, 0, 0 }
-   };
-   GLint i;
-
-   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-   if (blend) {
-      glDisable(GL_DEPTH_TEST);
-      glEnable(GL_BLEND);
-   } else {
-      glEnable(GL_DEPTH_TEST);
-      glDisable(GL_BLEND);
-   }
-
-   glVertexPointer(2, GL_FLOAT, 0, verts);
-   glColorPointer(4, GL_FLOAT, 0, colors);
-   glTexCoordPointer(2, GL_FLOAT, 0, texs);
-
-   glEnableClientState(GL_VERTEX_ARRAY);
-   glEnableClientState(GL_COLOR_ARRAY);
-   glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-
-   for (i = 0; i < 6; i++) {
-      glPushMatrix();
-      glRotatef(xforms[i][0], xforms[i][1], xforms[i][2], xforms[i][3]);
-      glTranslatef(0, 0, 4.1);
-      glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-      glPopMatrix();
-   }
-
-   glDisableClientState(GL_VERTEX_ARRAY);
-   glDisableClientState(GL_COLOR_ARRAY);
-   glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-}
-
-static void
-draw(void)
-{
-   use_pbuffer();
-   draw_triangle();
-
-   use_window();
-
-   eglBindTexImage(dpy, surf_pbuf, EGL_BACK_BUFFER);
-
-   glPushMatrix();
-   glRotatef(view_rotx, 1, 0, 0);
-   glRotatef(view_roty, 0, 1, 0);
-   glRotatef(view_rotz, 0, 0, 1);
-
-   draw_textured_cube();
-
-   glPopMatrix();
-
-   eglReleaseTexImage(dpy, surf_pbuf, EGL_BACK_BUFFER);
-}
-
-/* new window size or exposure */
-static void
-reshape(int width, int height)
-{
-   GLfloat ar = (GLfloat) width / (GLfloat) height;
-
-   use_window();
-
-   glViewport(0, 0, (GLint) width, (GLint) height);
-
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
-
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef(0.0, 0.0, -40.0);
-}
-
-static void
-event_loop(Display *x_dpy, Window win)
-{
-   while (1) {
-      int redraw = 1;
-
-      if (XPending(x_dpy) > 0) {
-         XEvent event;
-         XNextEvent(x_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 if (code == XK_b) {
-                  blend = !blend;
-               }
-               else {
-                  r = XLookupString(&event.xkey, buffer, sizeof(buffer),
-                        NULL, NULL);
-                  if (buffer[0] == 27) {
-                     /* escape */
-                     return;
-                  }
-               }
-            }
-            redraw = 1;
-            break;
-         default:
-            ; /*no-op*/
-         }
-      }
-
-      if (redraw) {
-         view_rotx += 1.0;
-         view_roty += 2.0;
-         view_rotz += 1.5;
-         color_flow += 20;
-         draw();
-         eglSwapBuffers(dpy, surf_win);
-      }
-   }
-}
-
-int
-main(int argc, char *argv[])
-{
-   const int winWidth = 300, winHeight = 300;
-   Display *x_dpy;
-   Window win;
-   char *dpyName = NULL;
-   EGLint egl_major, egl_minor;
-   const char *s;
-
-   x_dpy = XOpenDisplay(dpyName);
-   if (!x_dpy) {
-      printf("Error: couldn't open display %s\n",
-	     dpyName ? dpyName : getenv("DISPLAY"));
-      return -1;
-   }
-
-   dpy = eglGetDisplay(x_dpy);
-   if (!dpy) {
-      printf("Error: eglGetDisplay() failed\n");
-      return -1;
-   }
-
-   if (!eglInitialize(dpy, &egl_major, &egl_minor)) {
-      printf("Error: eglInitialize() failed\n");
-      return -1;
-   }
-
-   s = eglQueryString(dpy, EGL_VERSION);
-   printf("EGL_VERSION = %s\n", s);
-
-   make_window(x_dpy, "color flow", 0, 0, winWidth, winHeight, &win);
-   make_pbuffer(winWidth, winHeight);
-
-   XMapWindow(x_dpy, win);
-
-   reshape(winWidth, winHeight);
-   event_loop(x_dpy, win);
-
-   glDeleteTextures(1, &tex_pbuf);
-
-   eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
-   eglTerminate(dpy);
-
-   XDestroyWindow(x_dpy, win);
-   XCloseDisplay(x_dpy);
-
-   return 0;
-}