diff options
Diffstat (limited to 'src/test-native/mesa-demos-patched/eglut/eglut_screen.c')
| -rw-r--r-- | src/test-native/mesa-demos-patched/eglut/eglut_screen.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/test-native/mesa-demos-patched/eglut/eglut_screen.c b/src/test-native/mesa-demos-patched/eglut/eglut_screen.c new file mode 100644 index 000000000..727e57fbf --- /dev/null +++ b/src/test-native/mesa-demos-patched/eglut/eglut_screen.c @@ -0,0 +1,180 @@ +/* + * 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 <[email protected]> + */ + +#include <stdio.h> +#include <string.h> +#include <sys/time.h> + +#define EGL_EGLEXT_PROTOTYPES +#include "EGL/egl.h" +#include "EGL/eglext.h" + +#include "eglutint.h" + +#define MAX_MODES 100 + +static EGLScreenMESA kms_screen; +static EGLModeMESA kms_mode; +static EGLint kms_width, kms_height; + +void +_eglutNativeInitDisplay(void) +{ + _eglut->native_dpy = EGL_DEFAULT_DISPLAY; + _eglut->surface_type = EGL_SCREEN_BIT_MESA; +} + +void +_eglutNativeFiniDisplay(void) +{ + kms_screen = 0; + kms_mode = 0; + kms_width = 0; + kms_height = 0; +} + +static void +init_kms(void) +{ + EGLModeMESA modes[MAX_MODES]; + EGLint num_screens, num_modes; + EGLint width, height, best_mode; + EGLint i; + + if (!eglGetScreensMESA(_eglut->dpy, &kms_screen, 1, &num_screens) || + !num_screens) + _eglutFatal("eglGetScreensMESA failed\n"); + + if (!eglGetModesMESA(_eglut->dpy, kms_screen, + modes, MAX_MODES, &num_modes) || !num_modes) + _eglutFatal("eglGetModesMESA failed!\n"); + + printf("Found %d modes:\n", num_modes); + + best_mode = 0; + width = 0; + height = 0; + for (i = 0; i < num_modes; i++) { + EGLint w, h; + eglGetModeAttribMESA(_eglut->dpy, modes[i], EGL_WIDTH, &w); + eglGetModeAttribMESA(_eglut->dpy, modes[i], EGL_HEIGHT, &h); + printf("%3d: %d x %d\n", i, w, h); + if (w > width && h > height) { + width = w; + height = h; + best_mode = i; + } + } + + printf("Will use screen size: %d x %d\n", width, height); + + kms_mode = modes[best_mode]; + kms_width = width; + kms_height = height; +} + +void +_eglutNativeInitWindow(struct eglut_window *win, const char *title, + int x, int y, int w, int h) +{ + EGLint surf_attribs[16]; + EGLint i; + const char *exts; + + exts = eglQueryString(_eglut->dpy, EGL_EXTENSIONS); + if (!exts || !strstr(exts, "EGL_MESA_screen_surface")) + _eglutFatal("EGL_MESA_screen_surface is not supported\n"); + + init_kms(); + + i = 0; + surf_attribs[i++] = EGL_WIDTH; + surf_attribs[i++] = kms_width; + surf_attribs[i++] = EGL_HEIGHT; + surf_attribs[i++] = kms_height; + surf_attribs[i++] = EGL_NONE; + + /* create surface */ + win->native.u.surface = eglCreateScreenSurfaceMESA(_eglut->dpy, + win->config, surf_attribs); + if (win->native.u.surface == EGL_NO_SURFACE) + _eglutFatal("eglCreateScreenSurfaceMESA failed\n"); + + if (!eglShowScreenSurfaceMESA(_eglut->dpy, kms_screen, + win->native.u.surface, kms_mode)) + _eglutFatal("eglShowScreenSurfaceMESA failed\n"); + + win->native.width = kms_width; + win->native.height = kms_height; +} + +void +_eglutNativeFiniWindow(struct eglut_window *win) +{ + eglShowScreenSurfaceMESA(_eglut->dpy, + kms_screen, EGL_NO_SURFACE, 0); + eglDestroySurface(_eglut->dpy, win->native.u.surface); +} + +void +_eglutNativeEventLoop(void) +{ + int start = _eglutNow(); + int frames = 0; + + _eglut->redisplay = 1; + + while (!_eglut->stop_loop) { + struct eglut_window *win = _eglut->current; + int now = _eglutNow(); + + if (now - start > 5000) { + double elapsed = (double) (now - start) / 1000.0; + + printf("%d frames in %3.1f seconds = %6.3f FPS\n", + frames, elapsed, frames / elapsed); + fflush(stdout); + + start = now; + frames = 0; + + /* send escape */ + if (win->keyboard_cb) + win->keyboard_cb(27); + } + + if (_eglut->idle_cb) + _eglut->idle_cb(); + + if (_eglut->redisplay) { + _eglut->redisplay = 0; + + if (win->display_cb) + win->display_cb(); + eglSwapBuffers(_eglut->dpy, win->surface); + frames++; + } + } +} |