Merge remote branch 'origin/opengl-es-v2'

1 files changed, 289 insertions, 0 deletions

diff --git a/progs/es1/xegl/es1_info.c b/progs/es1/xegl/es1_info.c
new file mode 100644
index 00000000000..93816b52150
--- /dev/null
+++ b/progs/es1/xegl/es1_info.c
@@ -0,0 +1,289 @@
+/*
+ * Copyright (C) 2008  Tunsgten Graphics,Inc.   All Rights Reserved.
+ */
+
+/*
+ * List OpenGL ES extensions.
+ * Print ES 1 or ES 2 extensions depending on which library we're
+ * linked with: libGLESv1_CM.so vs libGLESv2.so
+ */
+
+#define GL_GLEXT_PROTOTYPES
+
+#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>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#include <EGL/egl.h>
+
+
+/*
+ * Print a list of extensions, with word-wrapping.
+ */
+static void
+print_extension_list(const char *ext)
+{
+   const char *indentString = "    ";
+   const int indent = 4;
+   const int max = 79;
+   int width, i, j;
+
+   if (!ext || !ext[0])
+      return;
+
+   width = indent;
+   printf(indentString);
+   i = j = 0;
+   while (1) {
+      if (ext[j] == ' ' || ext[j] == 0) {
+         /* found end of an extension name */
+         const int len = j - i;
+         if (width + len > max) {
+            /* start a new line */
+            printf("\n");
+            width = indent;
+            printf(indentString);
+         }
+         /* print the extension name between ext[i] and ext[j] */
+         while (i < j) {
+            printf("%c", ext[i]);
+            i++;
+         }
+         /* either we're all done, or we'll continue with next extension */
+         width += len + 1;
+         if (ext[j] == 0) {
+            break;
+         }
+         else {
+            i++;
+            j++;
+            if (ext[j] == 0)
+               break;
+            printf(", ");
+            width += 2;
+         }
+      }
+      j++;
+   }
+   printf("\n");
+}
+
+
+static void
+info(EGLDisplay egl_dpy)
+{
+   const char *s;
+
+   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);
+
+   printf("GL_VERSION: %s\n", (char *) glGetString(GL_VERSION));
+   printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_EXTENSIONS:\n");
+   print_extension_list((char *) glGetString(GL_EXTENSIONS));
+}
+
+
+/*
+ * 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, int es_ver,
+              Window *winRet,
+              EGLContext *ctxRet,
+              EGLSurface *surfRet)
+{
+   EGLint attribs[] = {
+      EGL_RENDERABLE_TYPE, 0x0,
+      EGL_RED_SIZE, 1,
+      EGL_GREEN_SIZE, 1,
+      EGL_BLUE_SIZE, 1,
+      EGL_NONE
+   };
+   EGLint ctx_attribs[] = {
+      EGL_CONTEXT_CLIENT_VERSION, 0,
+      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 (es_ver == 1)
+      attribs[1] = EGL_OPENGL_ES_BIT;
+   else
+      attribs[1] = EGL_OPENGL_ES2_BIT;
+   ctx_attribs[1] = es_ver;
+
+   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);
+   }
+
+   eglBindAPI(EGL_OPENGL_ES_API);
+
+   ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, ctx_attribs );
+   if (!ctx) {
+      printf("Error: eglCreateContext failed\n");
+      exit(1);
+   }
+
+   *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
+
+   if (!*surfRet) {
+      printf("Error: eglCreateWindowSurface failed\n");
+      exit(1);
+   }
+
+   XFree(visInfo);
+
+   *winRet = win;
+   *ctxRet = ctx;
+}
+
+
+static void
+usage(void)
+{
+   printf("Usage:\n");
+   printf("  -display <displayname>  set the display to run on\n");
+}
+ 
+
+int
+main(int argc, char *argv[])
+{
+   const int winWidth = 400, winHeight = 300;
+   Display *x_dpy;
+   Window win;
+   EGLSurface egl_surf;
+   EGLContext egl_ctx;
+   EGLDisplay egl_dpy;
+   char *dpyName = NULL;
+   EGLint egl_major, egl_minor, es_ver;
+   int i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0) {
+         dpyName = argv[i+1];
+         i++;
+      }
+      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;
+   }
+
+   es_ver = 1;
+   /* decide the version from the executable's name */
+   if (argc > 0 && argv[0] && strstr(argv[0], "es2"))
+      es_ver = 2;
+   make_x_window(x_dpy, egl_dpy,
+                 "ES info", 0, 0, winWidth, winHeight, es_ver,
+                 &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;
+   }
+
+   info(egl_dpy);
+
+   eglDestroyContext(egl_dpy, egl_ctx);
+   eglDestroySurface(egl_dpy, egl_surf);
+   eglTerminate(egl_dpy);
+
+
+   XDestroyWindow(x_dpy, win);
+   XCloseDisplay(x_dpy);
+
+   return 0;
+}