Linux Manuals session 3

waffle_is_extension_in_string – Check if a name appears in an OpenGL-style extension string Synopsis #include <waffle.h> bool waffle_is_extension_in_string(const char *extension_string, const char *extension_name); Description waffle_is_extension_in_string() Check if an extension name appears in an OpenGL-style extension string. The extension_string must be in the format returned by glGetString(GL_EXTENSIONS). Note that this function is not restricted to the OpenGL…

waffle_init – Initialize waffle’s per-process global state Synopsis #include <waffle.h> bool waffle_init(const int32_t attrib_list[]); Description waffle_init() initializes the per-process global state of the waffle library with the attributes specified in attrib_list. The set of attributes is documented below. attrib_list consists of a zero-terminated sequence of name/value pairs. Most waffle functions emit an error if called…

waffle_glx, waffle_glx_display, waffle_glx_config, waffle_glx_context, waffle_glx_window – Containers for underlying native GLX objects Synopsis #include <waffle_glx.h> struct waffle_glx_display { Display *xlib_display; }; struct waffle_glx_config { Display *xlib_display; GLXFBConfig glx_fbconfig; }; struct waffle_glx_context { Display *xlib_display; GLXContext glx_context; }; struct waffle_glx_window { Display *xlib_display; XID xlib_window; }; Issues Please report bugs or and feature requests to m[blue]https://github.com/waffle-gl/waffle/issuesm[]….

waffle_glx, waffle_glx_display, waffle_glx_config, waffle_glx_context, waffle_glx_window – Containers for underlying native GLX objects Synopsis #include <waffle_glx.h> struct waffle_glx_display { Display *xlib_display; }; struct waffle_glx_config { Display *xlib_display; GLXFBConfig glx_fbconfig; }; struct waffle_glx_context { Display *xlib_display; GLXContext glx_context; }; struct waffle_glx_window { Display *xlib_display; XID xlib_window; }; Issues Please report bugs or and feature requests to m[blue]https://github.com/waffle-gl/waffle/issuesm[]….

waffle_glx, waffle_glx_display, waffle_glx_config, waffle_glx_context, waffle_glx_window – Containers for underlying native GLX objects Synopsis #include <waffle_glx.h> struct waffle_glx_display { Display *xlib_display; }; struct waffle_glx_config { Display *xlib_display; GLXFBConfig glx_fbconfig; }; struct waffle_glx_context { Display *xlib_display; GLXContext glx_context; }; struct waffle_glx_window { Display *xlib_display; XID xlib_window; }; Issues Please report bugs or and feature requests to m[blue]https://github.com/waffle-gl/waffle/issuesm[]….

waffle_glx, waffle_glx_display, waffle_glx_config, waffle_glx_context, waffle_glx_window – Containers for underlying native GLX objects Synopsis #include <waffle_glx.h> struct waffle_glx_display { Display *xlib_display; }; struct waffle_glx_config { Display *xlib_display; GLXFBConfig glx_fbconfig; }; struct waffle_glx_context { Display *xlib_display; GLXContext glx_context; }; struct waffle_glx_window { Display *xlib_display; XID xlib_window; }; Issues Please report bugs or and feature requests to m[blue]https://github.com/waffle-gl/waffle/issuesm[]….

waffle_glx, waffle_glx_display, waffle_glx_config, waffle_glx_context, waffle_glx_window – Containers for underlying native GLX objects Synopsis #include <waffle_glx.h> struct waffle_glx_display { Display *xlib_display; }; struct waffle_glx_config { Display *xlib_display; GLXFBConfig glx_fbconfig; }; struct waffle_glx_context { Display *xlib_display; GLXContext glx_context; }; struct waffle_glx_window { Display *xlib_display; XID xlib_window; }; Issues Please report bugs or and feature requests to m[blue]https://github.com/waffle-gl/waffle/issuesm[]….

waffle_get_proc_address – Query address of OpenGL functions Synopsis #include <waffle.h> void *waffle_get_proc_address(const char *name); Description waffle_get_proc_address() On GLX, this redirects to glXGetProcAddress(3). On EGL, this redirects to eglGetProcAddress(3). On CGL, this function returns NULL because there exists no CGLGetProcAdress(). On WGL, this redirects to wglGetProcAddress(3). Some aspects of this function’s behavior are platform-specific and non-intuitive….

waffle_gbm, waffle_gbm_display, waffle_gbm_config, waffle_gbm_context, waffle_gbm_window – Containers for underlying native GBM objects Synopsis #include <waffle_gbm.h> struct waffle_gbm_display { struct gbm_device *gbm_device; EGLDisplay egl_display; }; struct waffle_gbm_config { struct waffle_gbm_display display; EGLConfig egl_config; }; struct waffle_gbm_context { struct waffle_gbm_display display; EGLContext egl_context; }; struct waffle_gbm_window { struct waffle_gbm_display display; struct gbm_surface *gbm_surface; EGLSurface egl_surface; }; Issues…

waffle_gbm, waffle_gbm_display, waffle_gbm_config, waffle_gbm_context, waffle_gbm_window – Containers for underlying native GBM objects Synopsis #include <waffle_gbm.h> struct waffle_gbm_display { struct gbm_device *gbm_device; EGLDisplay egl_display; }; struct waffle_gbm_config { struct waffle_gbm_display display; EGLConfig egl_config; }; struct waffle_gbm_context { struct waffle_gbm_display display; EGLContext egl_context; }; struct waffle_gbm_window { struct waffle_gbm_display display; struct gbm_surface *gbm_surface; EGLSurface egl_surface; }; Issues…

waffle_gbm, waffle_gbm_display, waffle_gbm_config, waffle_gbm_context, waffle_gbm_window – Containers for underlying native GBM objects Synopsis #include <waffle_gbm.h> struct waffle_gbm_display { struct gbm_device *gbm_device; EGLDisplay egl_display; }; struct waffle_gbm_config { struct waffle_gbm_display display; EGLConfig egl_config; }; struct waffle_gbm_context { struct waffle_gbm_display display; EGLContext egl_context; }; struct waffle_gbm_window { struct waffle_gbm_display display; struct gbm_surface *gbm_surface; EGLSurface egl_surface; }; Issues…

waffle_gbm, waffle_gbm_display, waffle_gbm_config, waffle_gbm_context, waffle_gbm_window – Containers for underlying native GBM objects Synopsis #include <waffle_gbm.h> struct waffle_gbm_display { struct gbm_device *gbm_device; EGLDisplay egl_display; }; struct waffle_gbm_config { struct waffle_gbm_display display; EGLConfig egl_config; }; struct waffle_gbm_context { struct waffle_gbm_display display; EGLContext egl_context; }; struct waffle_gbm_window { struct waffle_gbm_display display; struct gbm_surface *gbm_surface; EGLSurface egl_surface; }; Issues…

waffle_gbm, waffle_gbm_display, waffle_gbm_config, waffle_gbm_context, waffle_gbm_window – Containers for underlying native GBM objects Synopsis #include <waffle_gbm.h> struct waffle_gbm_display { struct gbm_device *gbm_device; EGLDisplay egl_display; }; struct waffle_gbm_config { struct waffle_gbm_display display; EGLConfig egl_config; }; struct waffle_gbm_context { struct waffle_gbm_display display; EGLContext egl_context; }; struct waffle_gbm_window { struct waffle_gbm_display display; struct gbm_surface *gbm_surface; EGLSurface egl_surface; }; Issues…

waffle_error, waffle_error_get_info, waffle_error_get_code, waffle_error_to_string – Thread-local error state Synopsis #include <waffle.h> enum waffle_error {… }; struct waffle_error_info { enum waffle_error code; const char *message; size_t message_length; }; const struct waffle_error_info *waffle_error_get_info(void); enum waffle_error waffle_error_get_code(void); const char *waffle_error_to_string(enum waffle_errore); Description Waffle functions usually return either a bool, in which false indicates failure, or a pointer, in…

waffle_error, waffle_error_get_info, waffle_error_get_code, waffle_error_to_string – Thread-local error state Synopsis #include <waffle.h> enum waffle_error {… }; struct waffle_error_info { enum waffle_error code; const char *message; size_t message_length; }; const struct waffle_error_info *waffle_error_get_info(void); enum waffle_error waffle_error_get_code(void); const char *waffle_error_to_string(enum waffle_errore); Description Waffle functions usually return either a bool, in which false indicates failure, or a pointer, in…

waffle_error, waffle_error_get_info, waffle_error_get_code, waffle_error_to_string – Thread-local error state Synopsis #include <waffle.h> enum waffle_error {… }; struct waffle_error_info { enum waffle_error code; const char *message; size_t message_length; }; const struct waffle_error_info *waffle_error_get_info(void); enum waffle_error waffle_error_get_code(void); const char *waffle_error_to_string(enum waffle_errore); Description Waffle functions usually return either a bool, in which false indicates failure, or a pointer, in…

waffle_error, waffle_error_get_info, waffle_error_get_code, waffle_error_to_string – Thread-local error state Synopsis #include <waffle.h> enum waffle_error {… }; struct waffle_error_info { enum waffle_error code; const char *message; size_t message_length; }; const struct waffle_error_info *waffle_error_get_info(void); enum waffle_error waffle_error_get_code(void); const char *waffle_error_to_string(enum waffle_errore); Description Waffle functions usually return either a bool, in which false indicates failure, or a pointer, in…

waffle_enum, waffle_enum_to_string – Listing of non-error enums and associated utility functions Synopsis #include <waffle.h> enum waffle_enum {… }; const char *waffle_enum_to_string(int32_t e); Description waffle_enum_to_string() Convert an waffle_enum token to a string. For example, convert WAFFLE_DONT_CARE to "WAFFLE_DONT_CARE". Return null if the token is not a valid waffle_enum. This function always sets the error code to…

waffle_enum, waffle_enum_to_string – Listing of non-error enums and associated utility functions Synopsis #include <waffle.h> enum waffle_enum {… }; const char *waffle_enum_to_string(int32_t e); Description waffle_enum_to_string() Convert an waffle_enum token to a string. For example, convert WAFFLE_DONT_CARE to "WAFFLE_DONT_CARE". Return null if the token is not a valid waffle_enum. This function always sets the error code to…

waffle_dl, waffle_dl_can_open, waffle_dl_sym – platform-independent interface to dynamic libraries Synopsis #include <waffle.h> bool waffle_dl_can_open(int32_t dl); void *waffle_dl_sym(int32_t dl, const char *symbol); Description The waffle_dl functions provide a platform-independent interface for dynamic OpenGL libraries. For each function, the parameter dl must be one of: WAFFLE_DL_OPENGL WAFFLE_DL_OPENGL_ES1 WAFFLE_DL_OPENGL_ES2 WAFFLE_DL_OPENGL_ES3 For example, on Linux, the WAFFLE_DL_* enums map…