diff options
Diffstat (limited to 'src/egl/main/eglmisc.c')
| -rw-r--r-- | src/egl/main/eglmisc.c | 54 |
1 files changed, 44 insertions, 10 deletions
diff --git a/src/egl/main/eglmisc.c b/src/egl/main/eglmisc.c index 907a057b442..984e426686e 100644 --- a/src/egl/main/eglmisc.c +++ b/src/egl/main/eglmisc.c @@ -39,30 +39,64 @@ /** + * Copy the extension into the string and update the string pointer. + */ +static EGLint +_eglAppendExtension(char **str, const char *ext) +{ + char *s = *str; + EGLint len = strlen(ext); + + if (s) { + memcpy(s, ext, len); + s[len++] = ' '; + s[len] = '\0'; + + *str += len; + } + else { + len++; + } + + return len; +} + + +/** * Examine the individual extension enable/disable flags and recompute * the driver's Extensions string. */ static void _eglUpdateExtensionsString(_EGLDisplay *dpy) { +#define _EGL_CHECK_EXTENSION(ext) \ + do { \ + if (dpy->Extensions.ext) { \ + _eglAppendExtension(&exts, "EGL_" #ext); \ + assert(exts <= dpy->Extensions.String + _EGL_MAX_EXTENSIONS_LEN); \ + } \ + } while (0) + char *exts = dpy->Extensions.String; if (exts[0]) return; - if (dpy->Extensions.MESA_screen_surface) - strcat(exts, "EGL_MESA_screen_surface "); - if (dpy->Extensions.MESA_copy_context) - strcat(exts, "EGL_MESA_copy_context "); + _EGL_CHECK_EXTENSION(MESA_screen_surface); + _EGL_CHECK_EXTENSION(MESA_copy_context); - if (dpy->Extensions.KHR_image_base) - strcat(exts, "EGL_KHR_image_base "); - if (dpy->Extensions.KHR_image_pixmap) - strcat(exts, "EGL_KHR_image_pixmap "); + _EGL_CHECK_EXTENSION(KHR_image_base); + _EGL_CHECK_EXTENSION(KHR_image_pixmap); if (dpy->Extensions.KHR_image_base && dpy->Extensions.KHR_image_pixmap) - strcat(exts, "EGL_KHR_image "); + _eglAppendExtension(&exts, "EGL_KHR_image"); + + _EGL_CHECK_EXTENSION(KHR_vg_parent_image); + _EGL_CHECK_EXTENSION(KHR_gl_texture_2D_image); + _EGL_CHECK_EXTENSION(KHR_gl_texture_cubemap_image); + _EGL_CHECK_EXTENSION(KHR_gl_texture_3D_image); + _EGL_CHECK_EXTENSION(KHR_gl_renderbuffer_image); - assert(strlen(exts) < _EGL_MAX_EXTENSIONS_LEN); +#undef _EGL_CHECK_EXTENSION } |