--- /dev/null
+/*
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ * Chia-I Wu <olv@lunarg.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <sys/time.h>
+
+#include "EGL/egl.h"
+#include "EGL/eglext.h"
+
+#include "eglutint.h"
+
+static struct eglut_state _eglut_state = {
+ .api_mask = EGLUT_OPENGL_ES1_BIT,
+ .window_width = 300,
+ .window_height = 300,
+ .verbose = 0,
+ .num_windows = 0,
+};
+
+struct eglut_state *_eglut = &_eglut_state;
+
+void
+_eglutFatal(char *format, ...)
+{
+ va_list args;
+
+ va_start(args, format);
+
+ fprintf(stderr, "EGLUT: ");
+ vfprintf(stderr, format, args);
+ va_end(args);
+ putc('\n', stderr);
+
+ exit(1);
+}
+
+/* return current time (in milliseconds) */
+int
+_eglutNow(void)
+{
+ struct timeval tv;
+#ifdef __VMS
+ (void) gettimeofday(&tv, NULL );
+#else
+ struct timezone tz;
+ (void) gettimeofday(&tv, &tz);
+#endif
+ return tv.tv_sec * 1000 + tv.tv_usec / 1000;
+}
+
+static void
+_eglutDestroyWindow(struct eglut_window *win)
+{
+ if (_eglut->surface_type != EGL_PBUFFER_BIT &&
+ _eglut->surface_type != EGL_SCREEN_BIT_MESA)
+ eglDestroySurface(_eglut->dpy, win->surface);
+
+ _eglutNativeFiniWindow(win);
+
+ eglDestroyContext(_eglut->dpy, win->context);
+}
+
+static EGLConfig
+_eglutChooseConfig(void)
+{
+ EGLConfig config;
+ EGLint config_attribs[32];
+ EGLint renderable_type, num_configs, i;
+
+ i = 0;
+ config_attribs[i++] = EGL_RED_SIZE;
+ config_attribs[i++] = 1;
+ config_attribs[i++] = EGL_GREEN_SIZE;
+ config_attribs[i++] = 1;
+ config_attribs[i++] = EGL_BLUE_SIZE;
+ config_attribs[i++] = 1;
+ config_attribs[i++] = EGL_DEPTH_SIZE;
+ config_attribs[i++] = 1;
+
+ config_attribs[i++] = EGL_SURFACE_TYPE;
+ config_attribs[i++] = _eglut->surface_type;
+
+ config_attribs[i++] = EGL_RENDERABLE_TYPE;
+ renderable_type = 0x0;
+ if (_eglut->api_mask & EGLUT_OPENGL_BIT)
+ renderable_type |= EGL_OPENGL_BIT;
+ if (_eglut->api_mask & EGLUT_OPENGL_ES1_BIT)
+ renderable_type |= EGL_OPENGL_ES_BIT;
+ if (_eglut->api_mask & EGLUT_OPENGL_ES2_BIT)
+ renderable_type |= EGL_OPENGL_ES2_BIT;
+ if (_eglut->api_mask & EGLUT_OPENVG_BIT)
+ renderable_type |= EGL_OPENVG_BIT;
+ config_attribs[i++] = renderable_type;
+
+ config_attribs[i] = EGL_NONE;
+
+ if (!eglChooseConfig(_eglut->dpy,
+ config_attribs, &config, 1, &num_configs) || !num_configs)
+ _eglutFatal("failed to choose a config");
+
+ return config;
+}
+
+static struct eglut_window *
+_eglutCreateWindow(const char *title, int x, int y, int w, int h)
+{
+ struct eglut_window *win;
+ EGLint context_attribs[4];
+ EGLint api, i;
+
+ win = calloc(1, sizeof(*win));
+ if (!win)
+ _eglutFatal("failed to allocate window");
+
+ win->config = _eglutChooseConfig();
+
+ i = 0;
+ context_attribs[i] = EGL_NONE;
+
+ /* multiple APIs? */
+
+ api = EGL_OPENGL_ES_API;
+ if (_eglut->api_mask & EGLUT_OPENGL_BIT) {
+ api = EGL_OPENGL_API;
+ }
+ else if (_eglut->api_mask & EGLUT_OPENVG_BIT) {
+ api = EGL_OPENVG_API;
+ }
+ else if (_eglut->api_mask & EGLUT_OPENGL_ES2_BIT) {
+ context_attribs[i++] = EGL_CONTEXT_CLIENT_VERSION;
+ context_attribs[i++] = 2;
+ }
+
+ context_attribs[i] = EGL_NONE;
+
+ eglBindAPI(api);
+ win->context = eglCreateContext(_eglut->dpy,
+ win->config, EGL_NO_CONTEXT, context_attribs);
+ if (!win->context)
+ _eglutFatal("failed to create context");
+
+ _eglutNativeInitWindow(win, title, x, y, w, h);
+ switch (_eglut->surface_type) {
+ case EGL_WINDOW_BIT:
+ win->surface = eglCreateWindowSurface(_eglut->dpy,
+ win->config, win->native.u.window, NULL);
+ break;
+ case EGL_PIXMAP_BIT:
+ win->surface = eglCreatePixmapSurface(_eglut->dpy,
+ win->config, win->native.u.pixmap, NULL);
+ break;
+ case EGL_PBUFFER_BIT:
+ case EGL_SCREEN_BIT_MESA:
+ win->surface = win->native.u.surface;
+ break;
+ default:
+ break;
+ }
+ if (win->surface == EGL_NO_SURFACE)
+ _eglutFatal("failed to create surface");
+
+ return win;
+}
+
+void
+eglutInitAPIMask(int mask)
+{
+ _eglut->api_mask = mask;
+}
+
+void
+eglutInitWindowSize(int width, int height)
+{
+ _eglut->window_width = width;
+ _eglut->window_height = height;
+}
+
+void
+eglutInit(int argc, char **argv)
+{
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-display") == 0)
+ _eglut->display_name = argv[++i];
+ else if (strcmp(argv[i], "-info") == 0) {
+ _eglut->verbose = 1;
+ }
+ }
+
+ _eglutNativeInitDisplay();
+ _eglut->dpy = eglGetDisplay(_eglut->native_dpy);
+
+ if (!eglInitialize(_eglut->dpy, &_eglut->major, &_eglut->minor))
+ _eglutFatal("failed to initialize EGL display");
+
+ _eglut->init_time = _eglutNow();
+
+ printf("EGL_VERSION = %s\n", eglQueryString(_eglut->dpy, EGL_VERSION));
+ if (_eglut->verbose) {
+ printf("EGL_VENDOR = %s\n", eglQueryString(_eglut->dpy, EGL_VENDOR));
+ printf("EGL_EXTENSIONS = %s\n",
+ eglQueryString(_eglut->dpy, EGL_EXTENSIONS));
+ printf("EGL_CLIENT_APIS = %s\n",
+ eglQueryString(_eglut->dpy, EGL_CLIENT_APIS));
+ }
+}
+
+int
+eglutGet(int state)
+{
+ int val;
+
+ switch (state) {
+ case EGLUT_ELAPSED_TIME:
+ val = _eglutNow() - _eglut->init_time;
+ break;
+ default:
+ val = -1;
+ break;
+ }
+
+ return val;
+}
+
+void
+eglutIdleFunc(EGLUTidleCB func)
+{
+ _eglut->idle_cb = func;
+}
+
+void
+eglutPostRedisplay(void)
+{
+ _eglut->redisplay = 1;
+}
+
+void
+eglutMainLoop(void)
+{
+ struct eglut_window *win = _eglut->current;
+
+ if (!win)
+ _eglutFatal("no window is created\n");
+
+ if (win->reshape_cb)
+ win->reshape_cb(win->native.width, win->native.height);
+
+ _eglutNativeEventLoop();
+}
+
+static void
+_eglutFini(void)
+{
+ eglTerminate(_eglut->dpy);
+ _eglutNativeFiniDisplay();
+}
+
+void
+eglutDestroyWindow(int win)
+{
+ struct eglut_window *window = _eglut->current;
+
+ if (window->index != win)
+ return;
+
+ /* XXX it causes some bug in st/egl KMS backend */
+ if ( _eglut->surface_type != EGL_SCREEN_BIT_MESA)
+ eglMakeCurrent(_eglut->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+
+ _eglutDestroyWindow(_eglut->current);
+}
+
+static void
+_eglutDefaultKeyboard(unsigned char key)
+{
+ if (key == 27) {
+ if (_eglut->current)
+ eglutDestroyWindow(_eglut->current->index);
+ _eglutFini();
+
+ exit(0);
+ }
+}
+
+int
+eglutCreateWindow(const char *title)
+{
+ struct eglut_window *win;
+
+ win = _eglutCreateWindow(title, 0, 0,
+ _eglut->window_width, _eglut->window_height);
+
+ win->index = _eglut->num_windows++;
+ win->reshape_cb = NULL;
+ win->display_cb = NULL;
+ win->keyboard_cb = _eglutDefaultKeyboard;
+ win->special_cb = NULL;
+
+ if (!eglMakeCurrent(_eglut->dpy, win->surface, win->surface, win->context))
+ _eglutFatal("failed to make window current");
+ _eglut->current = win;
+
+ return win->index;
+}
+
+int
+eglutGetWindowWidth(void)
+{
+ struct eglut_window *win = _eglut->current;
+ return win->native.width;
+}
+
+int
+eglutGetWindowHeight(void)
+{
+ struct eglut_window *win = _eglut->current;
+ return win->native.height;
+}
+
+void
+eglutDisplayFunc(EGLUTdisplayCB func)
+{
+ struct eglut_window *win = _eglut->current;
+ win->display_cb = func;
+
+}
+
+void
+eglutReshapeFunc(EGLUTreshapeCB func)
+{
+ struct eglut_window *win = _eglut->current;
+ win->reshape_cb = func;
+}
+
+void
+eglutKeyboardFunc(EGLUTkeyboardCB func)
+{
+ struct eglut_window *win = _eglut->current;
+ win->keyboard_cb = func;
+}
+
+void
+eglutSpecialFunc(EGLUTspecialCB func)
+{
+ struct eglut_window *win = _eglut->current;
+ win->special_cb = func;
+}
projects / apitrace-tests / blobdiff