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-rw-r--r--progs/egl/egltri.c264
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diff --git a/progs/egl/egltri.c b/progs/egl/egltri.c
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+/*
+ * 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 <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
+
+
+/* XXX this probably isn't very portable */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+/* 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 && w <= 1280 && h <= 1024) {
+ 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;
+}