/*
- * 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
*/
/*
- * 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
+ * Draw a triangle with X/EGL.
+ * Brian Paul
+ * 3 June 2008
*/
-#define EGL_EGLEXT_PROTOTYPES
-#include <assert.h>
#include <math.h>
#include <stdlib.h>
-#include <stdio.h>
#include <string.h>
#include <GL/gl.h>
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-#define MAX_CONFIGS 10
-#define MAX_MODES 100
+#include "eglut.h"
-/* XXX this probably isn't very portable */
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
-#include <sys/time.h>
-#include <unistd.h>
-/* return current time (in seconds) */
-static double
-current_time(void)
+static void
+draw(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 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 GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
-
-static void draw()
+/* new window size or exposure */
+static void
+reshape(int width, int height)
{
- 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);
+ GLfloat ar = (GLfloat) width / (GLfloat) height;
- glPushMatrix();
- glRotatef(view_rotx, 1, 0, 0);
- glRotatef(view_roty, 0, 1, 0);
- glRotatef(view_rotz, 0, 0, 1);
+ glViewport(0, 0, (GLint) width, (GLint) height);
- {
- 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();
+ 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 init()
-{
- glClearColor(0.4, 0.4, 0.4, 0.0);
-}
-/* new window size or exposure */
-static void reshape(int width, int height)
+static void
+init(void)
{
- 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);
+ glClearColor(0.4, 0.4, 0.4, 0.0);
}
-static void run(EGLDisplay dpy, EGLSurface surf, int ttr)
-{
- double st = current_time();
- double ct = st;
- int frames = 0;
- GLfloat seconds, fps;
-
- while (ct - st < ttr)
- {
- ct = current_time();
-
- draw();
- eglSwapBuffers(dpy, surf);
-
- frames++;
- }
-
- seconds = ct - st;
- fps = frames / seconds;
- printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds, fps);
+static void
+special_key(int special)
+{
+ switch (special) {
+ case EGLUT_KEY_LEFT:
+ view_roty += 5.0;
+ break;
+ case EGLUT_KEY_RIGHT:
+ view_roty -= 5.0;
+ break;
+ case EGLUT_KEY_UP:
+ view_rotx += 5.0;
+ break;
+ case EGLUT_KEY_DOWN:
+ view_rotx -= 5.0;
+ break;
+ default:
+ break;
+ }
}
-int main(int argc, char *argv[])
+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(EGL_DEFAULT_DISPLAY);
- 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);
-
- eglBindAPI(EGL_OPENGL_API);
- 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));
- }
+ eglutInitWindowSize(300, 300);
+ eglutInitAPIMask(EGLUT_OPENGL_BIT);
+ eglutInit(argc, argv);
- init();
- reshape(width, height);
+ eglutCreateWindow("egltri");
- glDrawBuffer( GL_BACK );
+ eglutReshapeFunc(reshape);
+ eglutDisplayFunc(draw);
+ eglutSpecialFunc(special_key);
- run(d, screen_surf, 5.0);
+ init();
- eglDestroySurface(d, screen_surf);
- eglDestroyContext(d, ctx);
- eglTerminate(d);
+ eglutMainLoop();
- return 0;
+ return 0;
}
+++ /dev/null
-/*
- * 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.
- */
-
-/*
- * Draw a triangle with X/EGL.
- * Brian Paul
- * 3 June 2008
- */
-
-
-#include <math.h>
-#include <stdlib.h>
-#include <string.h>
-#include <GL/gl.h>
-
-#include "eglut.h"
-
-
-static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
-
-
-static void
-draw(void)
-{
- 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();
-}
-
-
-/* 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
-init(void)
-{
- glClearColor(0.4, 0.4, 0.4, 0.0);
-}
-
-
-static void
-special_key(int special)
-{
- switch (special) {
- case EGLUT_KEY_LEFT:
- view_roty += 5.0;
- break;
- case EGLUT_KEY_RIGHT:
- view_roty -= 5.0;
- break;
- case EGLUT_KEY_UP:
- view_rotx += 5.0;
- break;
- case EGLUT_KEY_DOWN:
- view_rotx -= 5.0;
- break;
- default:
- break;
- }
-}
-
-int
-main(int argc, char *argv[])
-{
- eglutInitWindowSize(300, 300);
- eglutInitAPIMask(EGLUT_OPENGL_BIT);
- eglutInit(argc, argv);
-
- eglutCreateWindow("egltri");
-
- eglutReshapeFunc(reshape);
- eglutDisplayFunc(draw);
- eglutSpecialFunc(special_key);
-
- init();
-
- eglutMainLoop();
-
- return 0;
-}
projects / mesa.git / commitdiff