diff options
Diffstat (limited to 'backend/egl.c')
| -rw-r--r-- | backend/egl.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/backend/egl.c b/backend/egl.c deleted file mode 100644 index a547523c..00000000 --- a/backend/egl.c +++ /dev/null @@ -1,180 +0,0 @@ -#include <EGL/egl.h> -#include <EGL/eglext.h> -#include <GLES3/gl3.h> -#include <gbm.h> // GBM_FORMAT_XRGB8888 -#include <wlr/util/log.h> -#include "backend/egl.h" - -const char *egl_error(void) { - switch (eglGetError()) { - 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_CONTEXT: - return "Bad Context"; - case EGL_BAD_CONFIG: - return "Bad Config"; - case EGL_BAD_CURRENT_SURFACE: - return "Bad current surface"; - case EGL_BAD_DISPLAY: - return "Bad display"; - case EGL_BAD_SURFACE: - return "Bad surface"; - case EGL_BAD_MATCH: - return "Bad match"; - case EGL_BAD_PARAMETER: - return "Bad parameter"; - case EGL_BAD_NATIVE_PIXMAP: - return "Bad native pixmap"; - case EGL_BAD_NATIVE_WINDOW: - return "Bad native window"; - case EGL_CONTEXT_LOST: - return "Context lost"; - default: - return "Unknown"; - } -} - -// EGL extensions -PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display; -PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC create_platform_window_surface; - -static bool egl_exts() { - get_platform_display = (PFNEGLGETPLATFORMDISPLAYEXTPROC) - eglGetProcAddress("eglGetPlatformDisplayEXT"); - - if (!get_platform_display) { - wlr_log(L_ERROR, "Failed to load EGL extension 'eglGetPlatformDisplayEXT'"); - return false; - } - - create_platform_window_surface = (PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC) - eglGetProcAddress("eglCreatePlatformWindowSurfaceEXT"); - - if (!get_platform_display) { - wlr_log(L_ERROR, - "Failed to load EGL extension 'eglCreatePlatformWindowSurfaceEXT'"); - return false; - } - - return true; -} - -static bool egl_get_config(EGLDisplay disp, EGLConfig *out, EGLenum platform) { - EGLint count = 0, matched = 0, ret; - - ret = eglGetConfigs(disp, NULL, 0, &count); - if (ret == EGL_FALSE || count == 0) { - wlr_log(L_ERROR, "eglGetConfigs returned no configs"); - return false; - } - - EGLConfig configs[count]; - - ret = eglChooseConfig(disp, NULL, configs, count, &matched); - if (ret == EGL_FALSE) { - wlr_log(L_ERROR, "eglChooseConfig failed"); - return false; - } - - for (int i = 0; i < matched; ++i) { - EGLint gbm_format; - - if (platform == EGL_PLATFORM_WAYLAND_EXT) { - *out = configs[i]; - return true; - } - - if (!eglGetConfigAttrib(disp, - configs[i], - EGL_NATIVE_VISUAL_ID, - &gbm_format)) { - continue; - } - - if (gbm_format == GBM_FORMAT_ARGB8888) { - *out = configs[i]; - return true; - } - } - - wlr_log(L_ERROR, "no valid egl config found"); - return false; -} - -bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *display) { - if (!egl_exts()) { - return false; - } - - if (eglBindAPI(EGL_OPENGL_ES_API) == EGL_FALSE) { - wlr_log(L_ERROR, "Failed to bind to the OpenGL ES API: %s", egl_error()); - goto error; - } - - egl->display = get_platform_display(platform, display, NULL); - if (egl->display == EGL_NO_DISPLAY) { - wlr_log(L_ERROR, "Failed to create EGL display: %s", egl_error()); - goto error; - } - - EGLint major, minor; - if (eglInitialize(egl->display, &major, &minor) == EGL_FALSE) { - wlr_log(L_ERROR, "Failed to initialize EGL: %s", egl_error()); - goto error; - } - - if (!egl_get_config(egl->display, &egl->config, platform)) { - wlr_log(L_ERROR, "Failed to get EGL config"); - goto error; - } - - static const EGLint attribs[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE}; - - egl->context = eglCreateContext(egl->display, egl->config, - EGL_NO_CONTEXT, attribs); - - if (egl->context == EGL_NO_CONTEXT) { - wlr_log(L_ERROR, "Failed to create EGL context: %s", egl_error()); - goto error; - } - - eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl->context); - wlr_log(L_INFO, "Using EGL %d.%d", (int)major, (int)minor); - wlr_log(L_INFO, "Supported EGL extensions: %s", eglQueryString(egl->display, - EGL_EXTENSIONS)); - wlr_log(L_INFO, "Using %s", glGetString(GL_VERSION)); - wlr_log(L_INFO, "Supported OpenGL ES extensions: %s", glGetString(GL_EXTENSIONS)); - return true; - -error: - eglTerminate(egl->display); - eglReleaseThread(); - eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); - return false; -} - -void wlr_egl_free(struct wlr_egl *egl) { - eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); - eglDestroyContext(egl->display, egl->context); - eglTerminate(egl->display); - eglReleaseThread(); - eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); -} - -EGLSurface wlr_egl_create_surface(struct wlr_egl *egl, void *window) { - EGLSurface surf = create_platform_window_surface(egl->display, egl->config, - window, NULL); - if (surf == EGL_NO_SURFACE) { - wlr_log(L_ERROR, "Failed to create EGL surface: %s", egl_error()); - return EGL_NO_SURFACE; - } - return surf; -} |