| #include "cube-egl.h" |
| #include "cube.h" |
| |
| #include <kms++util/kms++util.h> |
| |
| using namespace std; |
| |
| static void print_egl_config(EGLDisplay dpy, EGLConfig cfg) |
| { |
| auto getconf = [dpy, cfg](EGLint a) { EGLint v = -1; eglGetConfigAttrib(dpy, cfg, a, &v); return v; }; |
| |
| printf("EGL Config %d: color buf %d/%d/%d/%d = %d, depth %d, stencil %d, native visualid %d, native visualtype %d\n", |
| getconf(EGL_CONFIG_ID), |
| getconf(EGL_ALPHA_SIZE), |
| getconf(EGL_RED_SIZE), |
| getconf(EGL_GREEN_SIZE), |
| getconf(EGL_BLUE_SIZE), |
| getconf(EGL_BUFFER_SIZE), |
| getconf(EGL_DEPTH_SIZE), |
| getconf(EGL_STENCIL_SIZE), |
| getconf(EGL_NATIVE_VISUAL_ID), |
| getconf(EGL_NATIVE_VISUAL_TYPE)); |
| } |
| |
| EglState::EglState(void *native_display) |
| { |
| EGLBoolean b; |
| EGLint major, minor, n; |
| |
| static const EGLint context_attribs[] = { |
| EGL_CONTEXT_CLIENT_VERSION, 2, |
| EGL_NONE |
| }; |
| |
| static const EGLint config_attribs[] = { |
| EGL_SURFACE_TYPE, EGL_WINDOW_BIT, |
| EGL_RED_SIZE, 8, |
| EGL_GREEN_SIZE, 8, |
| EGL_BLUE_SIZE, 8, |
| EGL_ALPHA_SIZE, 0, |
| EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
| EGL_NONE |
| }; |
| |
| m_display = eglGetDisplay((EGLNativeDisplayType)native_display); |
| FAIL_IF(!m_display, "failed to get egl display"); |
| |
| b = eglInitialize(m_display, &major, &minor); |
| FAIL_IF(!b, "failed to initialize"); |
| |
| if (s_verbose) { |
| printf("Using display %p with EGL version %d.%d\n", m_display, major, minor); |
| |
| printf("EGL_VENDOR: %s\n", eglQueryString(m_display, EGL_VENDOR)); |
| printf("EGL_VERSION: %s\n", eglQueryString(m_display, EGL_VERSION)); |
| printf("EGL_EXTENSIONS: %s\n", eglQueryString(m_display, EGL_EXTENSIONS)); |
| printf("EGL_CLIENT_APIS: %s\n", eglQueryString(m_display, EGL_CLIENT_APIS)); |
| } |
| |
| b = eglBindAPI(EGL_OPENGL_ES_API); |
| FAIL_IF(!b, "failed to bind api EGL_OPENGL_ES_API"); |
| |
| |
| if (s_verbose) { |
| EGLint numConfigs; |
| b = eglGetConfigs(m_display, nullptr, 0, &numConfigs); |
| FAIL_IF(!b, "failed to get number of configs"); |
| |
| EGLConfig configs[numConfigs]; |
| b = eglGetConfigs(m_display, configs, numConfigs, &numConfigs); |
| |
| printf("Available configs:\n"); |
| |
| for (int i = 0; i < numConfigs; ++i) |
| print_egl_config(m_display, configs[i]); |
| } |
| |
| b = eglChooseConfig(m_display, config_attribs, &m_config, 1, &n); |
| FAIL_IF(!b || n != 1, "failed to choose config"); |
| |
| if (s_verbose) { |
| printf("Chosen config:\n"); |
| print_egl_config(m_display, m_config); |
| } |
| |
| m_context = eglCreateContext(m_display, m_config, EGL_NO_CONTEXT, context_attribs); |
| FAIL_IF(!m_context, "failed to create context"); |
| |
| EGLBoolean ok = eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, m_context); |
| FAIL_IF(!ok, "eglMakeCurrent() failed"); |
| } |
| |
| EglState::~EglState() |
| { |
| eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); |
| eglTerminate(m_display); |
| } |
| |
| EglSurface::EglSurface(const EglState &egl, void *native_window) |
| : egl(egl) |
| { |
| esurface = eglCreateWindowSurface(egl.display(), egl.config(), (EGLNativeWindowType)native_window, NULL); |
| FAIL_IF(esurface == EGL_NO_SURFACE, "failed to create egl surface"); |
| } |
| |
| EglSurface::~EglSurface() |
| { |
| eglDestroySurface(egl.display(), esurface); |
| } |
| |
| void EglSurface::make_current() |
| { |
| EGLBoolean ok = eglMakeCurrent(egl.display(), esurface, esurface, egl.context()); |
| FAIL_IF(!ok, "eglMakeCurrent() failed"); |
| } |
| |
| void EglSurface::swap_buffers() |
| { |
| EGLBoolean ok = eglSwapBuffers(egl.display(), esurface); |
| FAIL_IF(!ok, "eglMakeCurrent() failed"); |
| } |