/* * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. * Copyright (C) 2008 Brian Paul All Rights Reserved. * Copyright (C) 2008 Jakob Bornecrantz 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. */ /* * This program is based on eglgears and xegl_tri. * Remixed by Jakob Bornecrantz * * No command line options. * Program runs for 5 seconds then exits, outputing framerate to console */ #define EGL_EGLEXT_PROTOTYPES #include #include #include #include #include #include #include #include #define MAX_CONFIGS 10 #define MAX_MODES 100 /* XXX this probably isn't very portable */ #include #include /* return current time (in seconds) */ static double current_time(void) { struct timeval tv; #ifdef __VMS (void) gettimeofday(&tv, NULL ); #else struct timezone tz; (void) gettimeofday(&tv, &tz); #endif return (double) tv.tv_sec + tv.tv_usec / 1000000.0; } static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0; static void draw() { 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 } }; glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix(); glRotatef(view_rotx, 1, 0, 0); glRotatef(view_roty, 0, 1, 0); glRotatef(view_rotz, 0, 0, 1); { 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); } glPopMatrix(); } static void init() { glClearColor(0.4, 0.4, 0.4, 0.0); } /* new window size or exposure */ static void reshape(int width, int height) { GLfloat ar = (GLfloat) width / (GLfloat) height; 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, -10.0); } static void run(EGLDisplay dpy, EGLSurface surf, int ttr) { double st = current_time(); double ct = st; int frames = 0; while (ct - st < ttr) { double tt = current_time(); double dt = tt - ct; ct = tt; draw(); eglSwapBuffers(dpy, surf); frames++; } GLfloat seconds = ct - st; GLfloat fps = frames / seconds; printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds, fps); } int main(int argc, char *argv[]) { int maj, min; EGLContext ctx; EGLSurface screen_surf; EGLConfig configs[MAX_CONFIGS]; EGLint numConfigs, i; EGLBoolean b; EGLDisplay d; EGLint screenAttribs[10]; EGLModeMESA mode[MAX_MODES]; EGLScreenMESA screen; EGLint count, chosenMode = 0; GLboolean printInfo = GL_FALSE; EGLint width = 0, height = 0; /* parse cmd line args */ for (i = 1; i < argc; i++) { if (strcmp(argv[i], "-info") == 0) { printInfo = GL_TRUE; } else printf("Warning: unknown parameter: %s\n", argv[i]); } /* DBR : Create EGL context/surface etc */ d = eglGetDisplay((EGLNativeDisplayType)"!EGL_i915"); assert(d); if (!eglInitialize(d, &maj, &min)) { printf("egltri: eglInitialize failed\n"); exit(1); } printf("egltri: EGL version = %d.%d\n", maj, min); printf("egltri: EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR)); /* XXX use ChooseConfig */ eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs); eglGetScreensMESA(d, &screen, 1, &count); if (!eglGetModesMESA(d, screen, mode, MAX_MODES, &count) || count == 0) { printf("egltri: eglGetModesMESA failed!\n"); return 0; } /* Print list of modes, and find the one to use */ printf("egltri: Found %d modes:\n", count); for (i = 0; i < count; i++) { EGLint w, h; eglGetModeAttribMESA(d, mode[i], EGL_WIDTH, &w); eglGetModeAttribMESA(d, mode[i], EGL_HEIGHT, &h); printf("%3d: %d x %d\n", i, w, h); if (w > width && h > height) { width = w; height = h; chosenMode = i; } } printf("egltri: Using screen mode/size %d: %d x %d\n", chosenMode, width, height); ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL); if (ctx == EGL_NO_CONTEXT) { printf("egltri: failed to create context\n"); return 0; } /* build up screenAttribs array */ i = 0; screenAttribs[i++] = EGL_WIDTH; screenAttribs[i++] = width; screenAttribs[i++] = EGL_HEIGHT; screenAttribs[i++] = height; screenAttribs[i++] = EGL_NONE; screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs); if (screen_surf == EGL_NO_SURFACE) { printf("egltri: failed to create screen surface\n"); return 0; } b = eglShowScreenSurfaceMESA(d, screen, screen_surf, mode[chosenMode]); if (!b) { printf("egltri: show surface failed\n"); return 0; } b = eglMakeCurrent(d, screen_surf, screen_surf, ctx); if (!b) { printf("egltri: make current failed\n"); return 0; } 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(); reshape(width, height); glDrawBuffer( GL_BACK ); run(d, screen_surf, 5.0); eglDestroySurface(d, screen_surf); eglDestroyContext(d, ctx); eglTerminate(d); return 0; }