From 829622113873392b01b37ee72effbeb6b5966dbf Mon Sep 17 00:00:00 2001 From: Mathias Agopian Date: Thu, 9 Sep 2010 11:53:17 -0700 Subject: [PATCH] option to enable multisampling multisampling can be enabled by specifying the number of samples desired on the command line. Change-Id: I5f93c93ae7ada54bcd646c1065e07890d0cb9808 --- opengl/tests/angeles/app-linux.cpp | 122 ++++++++++++++++------------- 1 file changed, 66 insertions(+), 56 deletions(-) diff --git a/opengl/tests/angeles/app-linux.cpp b/opengl/tests/angeles/app-linux.cpp index 9f80ed444..4d10ee509 100644 --- a/opengl/tests/angeles/app-linux.cpp +++ b/opengl/tests/angeles/app-linux.cpp @@ -63,7 +63,7 @@ using namespace android; int gAppAlive = 1; static const char sAppName[] = - "San Angeles Observation OpenGL ES version example (Linux)"; + "San Angeles Observation OpenGL ES version example (Linux)"; static int sWindowWidth = WINDOW_DEFAULT_WIDTH; static int sWindowHeight = WINDOW_DEFAULT_HEIGHT; @@ -74,22 +74,22 @@ static EGLSurface sEglSurface = EGL_NO_SURFACE; const char *egl_strerror(unsigned err) { switch(err){ - case EGL_SUCCESS: return "SUCCESS"; - case EGL_NOT_INITIALIZED: return "NOT INITIALIZED"; - case EGL_BAD_ACCESS: return "BAD ACCESS"; - case EGL_BAD_ALLOC: return "BAD ALLOC"; - case EGL_BAD_ATTRIBUTE: return "BAD_ATTRIBUTE"; - case EGL_BAD_CONFIG: return "BAD CONFIG"; - case EGL_BAD_CONTEXT: return "BAD CONTEXT"; - case EGL_BAD_CURRENT_SURFACE: return "BAD CURRENT SURFACE"; - case EGL_BAD_DISPLAY: return "BAD DISPLAY"; - case EGL_BAD_MATCH: return "BAD MATCH"; - case EGL_BAD_NATIVE_PIXMAP: return "BAD NATIVE PIXMAP"; - case EGL_BAD_NATIVE_WINDOW: return "BAD NATIVE WINDOW"; - case EGL_BAD_PARAMETER: return "BAD PARAMETER"; - case EGL_BAD_SURFACE: return "BAD_SURFACE"; -// case EGL_CONTEXT_LOST: return "CONTEXT LOST"; - default: return "UNKNOWN"; + case EGL_SUCCESS: return "SUCCESS"; + case EGL_NOT_INITIALIZED: return "NOT INITIALIZED"; + case EGL_BAD_ACCESS: return "BAD ACCESS"; + case EGL_BAD_ALLOC: return "BAD ALLOC"; + case EGL_BAD_ATTRIBUTE: return "BAD_ATTRIBUTE"; + case EGL_BAD_CONFIG: return "BAD CONFIG"; + case EGL_BAD_CONTEXT: return "BAD CONTEXT"; + case EGL_BAD_CURRENT_SURFACE: return "BAD CURRENT SURFACE"; + case EGL_BAD_DISPLAY: return "BAD DISPLAY"; + case EGL_BAD_MATCH: return "BAD MATCH"; + case EGL_BAD_NATIVE_PIXMAP: return "BAD NATIVE PIXMAP"; + case EGL_BAD_NATIVE_WINDOW: return "BAD NATIVE WINDOW"; + case EGL_BAD_PARAMETER: return "BAD PARAMETER"; + case EGL_BAD_SURFACE: return "BAD_SURFACE"; + // case EGL_CONTEXT_LOST: return "CONTEXT LOST"; + default: return "UNKNOWN"; } } @@ -118,52 +118,59 @@ static void checkEGLErrors() fprintf(stderr, "EGL Error: 0x%04x\n", (int)error); } -static int initGraphics() +static int initGraphics(unsigned samples) { EGLint configAttribs[] = { - EGL_DEPTH_SIZE, 16, - EGL_NONE - }; - - EGLint majorVersion; - EGLint minorVersion; - EGLContext context; - EGLConfig config; - EGLSurface surface; - EGLint w, h; - EGLDisplay dpy; + EGL_DEPTH_SIZE, 16, + EGL_SAMPLE_BUFFERS, samples ? 1 : 0, + EGL_SAMPLES, samples, + EGL_NONE + }; - EGLNativeWindowType window = android_createDisplaySurface(); - - dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); - eglInitialize(dpy, &majorVersion, &minorVersion); - - status_t err = EGLUtils::selectConfigForNativeWindow( - dpy, configAttribs, window, &config); - if (err) { - fprintf(stderr, "couldn't find an EGLConfig matching the screen format\n"); - return 0; - } + EGLint majorVersion; + EGLint minorVersion; + EGLContext context; + EGLConfig config; + EGLSurface surface; + EGLint w, h; + EGLDisplay dpy; - surface = eglCreateWindowSurface(dpy, config, window, NULL); - egl_error("eglCreateWindowSurface"); + EGLNativeWindowType window = android_createDisplaySurface(); - fprintf(stderr,"surface = %p\n", surface); + dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); + eglInitialize(dpy, &majorVersion, &minorVersion); - context = eglCreateContext(dpy, config, NULL, NULL); - egl_error("eglCreateContext"); - fprintf(stderr,"context = %p\n", context); - - eglMakeCurrent(dpy, surface, surface, context); - egl_error("eglMakeCurrent"); + status_t err = EGLUtils::selectConfigForNativeWindow( + dpy, configAttribs, window, &config); + if (err) { + fprintf(stderr, "couldn't find an EGLConfig matching the screen format\n"); + return 0; + } - eglQuerySurface(dpy, surface, EGL_WIDTH, &sWindowWidth); - eglQuerySurface(dpy, surface, EGL_HEIGHT, &sWindowHeight); + surface = eglCreateWindowSurface(dpy, config, window, NULL); + egl_error("eglCreateWindowSurface"); + + fprintf(stderr,"surface = %p\n", surface); + + context = eglCreateContext(dpy, config, NULL, NULL); + egl_error("eglCreateContext"); + fprintf(stderr,"context = %p\n", context); + + eglMakeCurrent(dpy, surface, surface, context); + egl_error("eglMakeCurrent"); + + eglQuerySurface(dpy, surface, EGL_WIDTH, &sWindowWidth); + eglQuerySurface(dpy, surface, EGL_HEIGHT, &sWindowHeight); sEglDisplay = dpy; sEglSurface = surface; sEglContext = context; + if (samples == 0) { + // GL_MULTISAMPLE is enabled by default + glDisable(GL_MULTISAMPLE); + } + return EGL_TRUE; } @@ -179,11 +186,14 @@ static void deinitGraphics() int main(int argc, char *argv[]) { - // not referenced: - argc = argc; - argv = argv; + unsigned samples = 0; + printf("usage: %s [samples]\n", argv[0]); + if (argc == 2) { + samples = atoi( argv[1] ); + printf("Multisample enabled: GL_SAMPLES = %u\n", samples); + } - if (!initGraphics()) + if (!initGraphics(samples)) { fprintf(stderr, "Graphics initialization failed.\n"); return EXIT_FAILURE; @@ -195,7 +205,7 @@ int main(int argc, char *argv[]) int frameCount = 0; gettimeofday(&timeTemp, NULL); double totalTime = timeTemp.tv_usec/1000000.0 + timeTemp.tv_sec; - + while (gAppAlive) { struct timeval timeNow;