diff options
Diffstat (limited to 'progs/egl/demo1.c')
-rw-r--r-- | progs/egl/demo1.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/progs/egl/demo1.c b/progs/egl/demo1.c new file mode 100644 index 00000000000..9b9a2ed4aba --- /dev/null +++ b/progs/egl/demo1.c @@ -0,0 +1,76 @@ +/* + * Exercise EGL API functions + */ + +#include <GLES/egl.h> +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> + + + +int +main(int argc, char *argv[]) +{ + int maj, min; + EGLContext ctx; + EGLSurface pbuffer; + EGLConfig configs[10]; + EGLint numConfigs, i; + EGLBoolean b; + const EGLint pbufAttribs[] = { + EGL_WIDTH, 500, + EGL_HEIGHT, 500, + EGL_NONE + }; + + /* + EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY); + */ + EGLDisplay d = eglGetDisplay("!demo"); + assert(d); + + if (!eglInitialize(d, &maj, &min)) { + printf("demo: eglInitialize failed\n"); + exit(1); + } + + printf("EGL version = %d.%d\n", maj, min); + printf("EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR)); + + eglGetConfigs(d, configs, 10, &numConfigs); + printf("Got %d EGL configs:\n", numConfigs); + for (i = 0; i < numConfigs; i++) { + EGLint id, red, depth; + eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id); + eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red); + eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth); + printf("%2d: Red Size = %d Depth Size = %d\n", id, red, depth); + } + + ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL); + if (ctx == EGL_NO_CONTEXT) { + printf("failed to create context\n"); + return 0; + } + + pbuffer = eglCreatePbufferSurface(d, configs[0], pbufAttribs); + if (pbuffer == EGL_NO_SURFACE) { + printf("failed to create pbuffer\n"); + return 0; + } + + b = eglMakeCurrent(d, pbuffer, pbuffer, ctx); + if (!b) { + printf("make current failed\n"); + return 0; + } + + b = eglMakeCurrent(d, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + + eglDestroySurface(d, pbuffer); + eglDestroyContext(d, ctx); + eglTerminate(d); + + return 0; +} |