From 214fc6e85057bc4661b76ae3f3c22733910da69c Mon Sep 17 00:00:00 2001 From: Benjamin Franzke Date: Fri, 4 Feb 2011 12:24:08 +0100 Subject: [PATCH] egl: Implement libwayland-egl This library is required and defined by wayland for EGL implementations supporting wayland. --- configs/autoconf.in | 9 ++ configs/default | 7 + configure.ac | 17 +++ src/egl/wayland/Makefile | 67 +++++++++ src/egl/wayland/wayland-egl-priv.h | 60 ++++++++ src/egl/wayland/wayland-egl.c | 224 +++++++++++++++++++++++++++++ src/egl/wayland/wayland-egl.pc.in | 12 ++ 7 files changed, 396 insertions(+) create mode 100644 src/egl/wayland/Makefile create mode 100644 src/egl/wayland/wayland-egl-priv.h create mode 100644 src/egl/wayland/wayland-egl.c create mode 100644 src/egl/wayland/wayland-egl.pc.in diff --git a/configs/autoconf.in b/configs/autoconf.in index b7137a0ee59..2ab18505ccb 100644 --- a/configs/autoconf.in +++ b/configs/autoconf.in @@ -64,6 +64,7 @@ GLESv1_CM_LIB = GLESv1_CM GLESv2_LIB = GLESv2 VG_LIB = OpenVG GLAPI_LIB = glapi +WAYLAND_EGL_LIB = wayland-egl # Library names (actual file names) GL_LIB_NAME = @GL_LIB_NAME@ @@ -76,6 +77,7 @@ GLESv1_CM_LIB_NAME = @GLESv1_CM_LIB_NAME@ GLESv2_LIB_NAME = @GLESv2_LIB_NAME@ VG_LIB_NAME = @VG_LIB_NAME@ GLAPI_LIB_NAME = @GLAPI_LIB_NAME@ +WAYLAND_EGL_LIB_NAME = @WAYLAND_EGL_LIB_NAME@ # Globs used to install the lib and all symlinks GL_LIB_GLOB = @GL_LIB_GLOB@ @@ -88,6 +90,7 @@ GLESv1_CM_LIB_GLOB = @GLESv1_CM_LIB_GLOB@ GLESv2_LIB_GLOB = @GLESv2_LIB_GLOB@ VG_LIB_GLOB = @VG_LIB_GLOB@ GLAPI_LIB_GLOB = @GLAPI_LIB_GLOB@ +WAYLAND_EGL_LIB_GLOB = @WAYLAND_EGL_LIB_GLOB@ # Directories to build LIB_DIR = @LIB_DIR@ @@ -131,6 +134,7 @@ GLESv1_CM_LIB_DEPS = $(EXTRA_LIB_PATH) @GLESv1_CM_LIB_DEPS@ GLESv2_LIB_DEPS = $(EXTRA_LIB_PATH) @GLESv2_LIB_DEPS@ VG_LIB_DEPS = $(EXTRA_LIB_PATH) @VG_LIB_DEPS@ GLAPI_LIB_DEPS = $(EXTRA_LIB_PATH) @GLAPI_LIB_DEPS@ +WAYLAND_EGL_LIB_DEPS = $(EXTRA_LIBPATH) @WAYLAND_EGL_LIB_DEPS@ # DRI dependencies DRI_LIB_DEPS = $(EXTRA_LIB_PATH) @DRI_LIB_DEPS@ @@ -184,11 +188,16 @@ GLESv2_PC_LIB_PRIV = @GLESv2_PC_LIB_PRIV@ EGL_PC_REQ_PRIV = @GL_PC_REQ_PRIV@ EGL_PC_LIB_PRIV = @GL_PC_LIB_PRIV@ EGL_PC_CFLAGS = @GL_PC_CFLAGS@ +WAYLAND_EGL_PC_REQ_PRIV = @WAYLAND_EGL_PC_REQ_PRIV@ +WAYLAND_EGL_PC_LIB_PRIV = @WAYLAND_EGL_PC_LIB_PRIV@ +WAYLAND_EGL_PC_CFLAGS = @WAYLAND_EGL_PC_CFLAGS@ XCB_DRI2_CFLAGS = @XCB_DRI2_CFLAGS@ XCB_DRI2_LIBS = @XCB_DRI2_LIBS@ LIBUDEV_CFLAGS = @LIBUDEV_CFLAGS@ LIBUDEV_LIBS = @LIBUDEV_LIBS@ +WAYLAND_CFLAGS = @WAYLAND_CFLAGS@ +WAYLAND_LIBS = @WAYLAND_LIBS@ MESA_LLVM = @MESA_LLVM@ diff --git a/configs/default b/configs/default index b05e9fffc6b..442eb848e5a 100644 --- a/configs/default +++ b/configs/default @@ -60,6 +60,7 @@ GLESv1_CM_LIB = GLESv1_CM GLESv2_LIB = GLESv2 VG_LIB = OpenVG GLAPI_LIB = glapi +WAYLAND_EGL_LIB = wayland-egl # Library names (actual file names) @@ -73,6 +74,7 @@ GLESv1_CM_LIB_NAME = lib$(GLESv1_CM_LIB).so GLESv2_LIB_NAME = lib$(GLESv2_LIB).so VG_LIB_NAME = lib$(VG_LIB).so GLAPI_LIB_NAME = lib$(GLAPI_LIB).so +WAYLAND_EGL_LIB_NAME = lib$(WAYLAND_EGL_LIB).so # globs used to install the lib and all symlinks GL_LIB_GLOB = $(GL_LIB_NAME)* @@ -85,6 +87,7 @@ GLESv1_CM_LIB_GLOB = $(GLESv1_CM_LIB_NAME)* GLESv2_LIB_GLOB = $(GLESv2_LIB_NAME)* VG_LIB_GLOB = $(VG_LIB_NAME)* GLAPI_LIB_GLOB = $(GLAPI_LIB_NAME)* +WAYLAND_EGL_LIB_GLOB = $(WAYLAND_EGL_LIB_NAME)* # Optional assembly language optimization files for libGL MESA_ASM_SOURCES = @@ -131,6 +134,7 @@ GLESv1_CM_LIB_DEPS = $(EXTRA_LIB_PATH) -lpthread GLESv2_LIB_DEPS = $(EXTRA_LIB_PATH) -lpthread VG_LIB_DEPS = $(EXTRA_LIB_PATH) -lpthread GLAPI_LIB_DEPS = $(EXTRA_LIB_PATH) -lpthread +WAYLAND_EGL_LIB_DEPS = $(EXTRA_LIB_PATH) -lwayland-client -ldrm # Program dependencies - specific GL/glut libraries added in Makefiles APP_LIB_DEPS = -lm @@ -179,3 +183,6 @@ GLESv2_PC_CFLAGS = VG_PC_REQ_PRIV = VG_PC_LIB_PRIV = VG_PC_CFLAGS = +WAYLAND_EGL_PC_REQ_PRIV = +WAYLAND_EGL_PC_LIB_PRIV = +WAYLAND_EGL_PC_CFLAGS = diff --git a/configure.ac b/configure.ac index 67cdb157559..aa3895b9c73 100644 --- a/configure.ac +++ b/configure.ac @@ -318,6 +318,7 @@ GLESv1_CM_LIB_NAME='lib$(GLESv1_CM_LIB).'${LIB_EXTENSION} GLESv2_LIB_NAME='lib$(GLESv2_LIB).'${LIB_EXTENSION} VG_LIB_NAME='lib$(VG_LIB).'${LIB_EXTENSION} GLAPI_LIB_NAME='lib$(GLAPI_LIB).'${LIB_EXTENSION} +WAYLAND_EGL_LIB_NAME='lib$(WAYLAND_EGL_LIB).'${LIB_EXTENSION} GL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*' GLU_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLU_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*' @@ -330,6 +331,7 @@ GLESv1_CM_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLESv1_CM_LIB)'${LIB_VERSION_SEPARATOR}' GLESv2_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLESv2_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*' VG_LIB_GLOB=${LIB_PREFIX_GLOB}'$(VG_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*' GLAPI_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLAPI_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*' +WAYLAND_EGL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(WAYLAND_EGL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*' AC_SUBST([GL_LIB_NAME]) AC_SUBST([GLU_LIB_NAME]) @@ -341,6 +343,7 @@ AC_SUBST([GLESv1_CM_LIB_NAME]) AC_SUBST([GLESv2_LIB_NAME]) AC_SUBST([VG_LIB_NAME]) AC_SUBST([GLAPI_LIB_NAME]) +AC_SUBST([WAYLAND_EGL_LIB_NAME]) AC_SUBST([GL_LIB_GLOB]) AC_SUBST([GLU_LIB_GLOB]) @@ -352,6 +355,7 @@ AC_SUBST([GLESv1_CM_LIB_GLOB]) AC_SUBST([GLESv2_LIB_GLOB]) AC_SUBST([VG_LIB_GLOB]) AC_SUBST([GLAPI_LIB_GLOB]) +AC_SUBST([WAYLAND_EGL_LIB_GLOB]) dnl dnl Arch/platform-specific settings @@ -1515,6 +1519,8 @@ AC_ARG_WITH([egl-displays], [with_egl_platforms="$withval"]) EGL_PLATFORMS="" +WAYLAND_EGL_LIB_DEPS="" + case "$with_egl_platforms" in yes) if test "x$enable_egl" = xyes && test "x$mesa_driver" != xosmesa; then @@ -1539,6 +1545,7 @@ yes) if test "$plat" = "wayland"; then PKG_CHECK_MODULES([WAYLAND], [wayland-client],, \ [AC_MSG_ERROR([cannot find libwayland-client])]) + WAYLAND_EGL_LIB_DEPS="$WAYLAND_LIBS $LIBDRM_LIBS" fi done EGL_PLATFORMS="$egl_platforms" @@ -1546,6 +1553,16 @@ yes) esac AC_SUBST([EGL_PLATFORMS]) +AC_SUBST([WAYLAND_EGL_LIB_DEPS]) +WAYLAND_EGL_PC_REQ_PRIV="wayland-client libdrm" +WAYLAND_EGL_PC_LIB_PRIV= +WAYLAND_EGL_PC_CFLAGS= + +AC_SUBST([WAYLAND_EGL_PC_REQ_PRIV]) +AC_SUBST([WAYLAND_EGL_PC_LIB_PRIV]) +AC_SUBST([WAYLAND_EGL_PC_CFLAGS]) + + AC_ARG_WITH([egl-driver-dir], [AS_HELP_STRING([--with-egl-driver-dir=DIR], [directory for EGL drivers [[default=${libdir}/egl]]])], diff --git a/src/egl/wayland/Makefile b/src/egl/wayland/Makefile new file mode 100644 index 00000000000..4cd036519db --- /dev/null +++ b/src/egl/wayland/Makefile @@ -0,0 +1,67 @@ +# src/egl/main/Makefile + +TOP = ../../.. +include $(TOP)/configs/current + +INCLUDE_DIRS = -I$(TOP)/include + +HEADERS = wayland-egl-priv.h +SOURCES = wayland-egl.c + +OBJECTS = $(SOURCES:.c=.o) + +LOCAL_CFLAGS = -I$(TOP)/include/EGL $(LIBDRM_CFLAGS) $(WAYLAND_CFLAGS) +LOCAL_LIBS = + +.c.o: + $(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $(LOCAL_CFLAGS) $< -o $@ + + +default: depend library + +# wayland-egl Library +library: $(TOP)/$(LIB_DIR)/$(WAYLAND_EGL_LIB_NAME) + +$(TOP)/$(LIB_DIR)/$(WAYLAND_EGL_LIB_NAME): $(OBJECTS) $(LOCAL_LIBS) + $(MKLIB) -o $(WAYLAND_EGL_LIB) -linker '$(CC)' -ldflags '$(LDFLAGS)' \ + -install $(TOP)/$(LIB_DIR) $(MKLIB_OPTIONS) \ + -L$(TOP)/$(LIB_DIR) $(WAYLAND_EGL_LIB_DEPS) \ + $(OBJECTS) $(LOCAL_LIBS) + +PKG_CONFIG_DIR = $(INSTALL_LIB_DIR)/pkgconfig + +gl_pcedit = sed \ + -e 's,@INSTALL_DIR@,$(INSTALL_DIR),' \ + -e 's,@INSTALL_LIB_DIR@,$(INSTALL_LIB_DIR),' \ + -e 's,@INSTALL_INC_DIR@,$(INSTALL_INC_DIR),' \ + -e 's,@VERSION@,$(MESA_MAJOR).$(MESA_MINOR).$(MESA_TINY),' \ + -e 's,@WAYLAND_EGL_PC_REQ_PRIV@,$(WAYLAND_EGL_PC_REQ_PRIV),' \ + -e 's,@WAYLAND_EGL_PC_LIB_PRIV@,$(WAYLAND_EGL_PC_LIB_PRIV),' \ + -e 's,@WAYLAND_EGL_PC_CFLAGS@,$(WAYLAND_EGL_PC_CFLAGS),' \ + -e 's,@WAYLAND_EGL_LIB@,$(WAYLAND_EGL_LIB),' + +wayland-egl.pc: wayland-egl.pc.in + $(gl_pcedit) $< > $@ + +install: default wayland-egl.pc + $(INSTALL) -d $(DESTDIR)$(INSTALL_LIB_DIR) + $(MINSTALL) $(TOP)/$(LIB_DIR)/$(WAYLAND_EGL_LIB_GLOB) \ + $(DESTDIR)$(INSTALL_LIB_DIR) + $(INSTALL) -d $(DESTDIR)$(PKG_CONFIG_DIR) + $(INSTALL) -m 644 wayland-egl.pc $(DESTDIR)$(PKG_CONFIG_DIR) + +clean: + -rm -f *.o + -rm -f depend depend.bak + + +depend: $(SOURCES) $(HEADERS) + @ echo "running $(MKDEP)" + @ rm -f depend + @ touch depend + $(MKDEP) $(MKDEP_OPTIONS) $(DEFINES) $(INCLUDE_DIRS) \ + $(SOURCES) $(HEADERS) > /dev/null 2>/dev/null + + +-include depend +# DO NOT DELETE diff --git a/src/egl/wayland/wayland-egl-priv.h b/src/egl/wayland/wayland-egl-priv.h new file mode 100644 index 00000000000..38b21c25be2 --- /dev/null +++ b/src/egl/wayland/wayland-egl-priv.h @@ -0,0 +1,60 @@ +#ifndef _WAYLAND_EGL_PRIV_H +#define _WAYLAND_EGL_PRIV_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* GCC visibility */ +#if defined(__GNUC__) && __GNUC__ >= 4 +#define WL_EGL_EXPORT __attribute__ ((visibility("default"))) +#else +#define WL_EGL_EXPORT +#endif + +#include +#include + +struct wl_egl_display { + struct wl_display *display; + + struct wl_drm *drm; + int fd; + char *device_name; + bool authenticated; + + void (*glFlush)(void); +}; + +struct wl_egl_window { + struct wl_surface *surface; + struct wl_visual *visual; + + int width; + int height; + int dx; + int dy; + + int attached_width; + int attached_height; +}; + +struct wl_egl_pixmap { + struct wl_egl_display *display; + struct wl_visual *visual; + + int name; + int width; + int height; + int stride; + + void (*destroy) (struct wl_egl_pixmap *egl_pixmap); + + void *driver_private; +}; + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/egl/wayland/wayland-egl.c b/src/egl/wayland/wayland-egl.c new file mode 100644 index 00000000000..6aa2d51063a --- /dev/null +++ b/src/egl/wayland/wayland-egl.c @@ -0,0 +1,224 @@ +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include + +#include +#include + +#include "wayland-egl.h" +#include "wayland-egl-priv.h" + +static void +drm_handle_device(void *data, struct wl_drm *drm, const char *device) +{ + struct wl_egl_display *egl_display = data; + drm_magic_t magic; + + egl_display->device_name = strdup(device); + + egl_display->fd = open(egl_display->device_name, O_RDWR); + + if (egl_display->fd == -1) { + fprintf(stderr, "wayland-egl: could not open %s (%s)", + egl_display->device_name, strerror(errno)); + return; + } + drmGetMagic(egl_display->fd, &magic); + wl_drm_authenticate(egl_display->drm, magic); +} + +static void +drm_handle_authenticated(void *data, struct wl_drm *drm) +{ + struct wl_egl_display *egl_display = data; + + egl_display->authenticated = true; +} + +static const struct wl_drm_listener drm_listener = { + drm_handle_device, + drm_handle_authenticated +}; + +static void +wl_display_handle_global(struct wl_display *display, uint32_t id, + const char *interface, uint32_t version, void *data) +{ + struct wl_egl_display *egl_display = data; + + if (strcmp(interface, "drm") == 0) { + egl_display->drm = wl_drm_create(display, id); + wl_drm_add_listener(egl_display->drm, &drm_listener, + egl_display); + } +} + +/* stolen from egl_dri2:dri2_load() */ +static void * +get_flush_address() { + void *handle; + void *(*get_proc_address)(const char *procname); + + handle = dlopen(NULL, RTLD_LAZY | RTLD_GLOBAL); + if (handle) { + get_proc_address = (void* (*)(const char *)) + dlsym(handle, "_glapi_get_proc_address"); + /* no need to keep a reference */ + dlclose(handle); + } + + /* + * If glapi is not available, loading DRI drivers will fail. Ideally, we + * should load one of libGL, libGLESv1_CM, or libGLESv2 and go on. But if + * the app has loaded another one of them with RTLD_LOCAL, there may be + * unexpected behaviors later because there will be two copies of glapi + * (with global variables of the same names!) in the memory. + */ + if (!get_proc_address) { + fprintf(stderr, "failed to find _glapi_get_proc_address"); + return NULL; + } + + return get_proc_address("glFlush"); +} + +WL_EGL_EXPORT struct wl_egl_display * +wl_egl_display_create(struct wl_display *display) +{ + struct wl_egl_display *egl_display; + + egl_display = malloc(sizeof *egl_display); + if (!egl_display) + return NULL; + + egl_display->display = display; + egl_display->drm = NULL; + egl_display->device_name = NULL; + egl_display->authenticated = false; + + egl_display->glFlush = (void (*)(void)) get_flush_address(); + + wl_display_add_global_listener(display, wl_display_handle_global, + egl_display); + + return egl_display; +} + +WL_EGL_EXPORT void +wl_egl_display_destroy(struct wl_egl_display *egl_display) +{ + + free(egl_display->device_name); + close(egl_display->fd); + + wl_drm_destroy(egl_display->drm); + + free(egl_display); +} + +WL_EGL_EXPORT void +wl_egl_window_resize(struct wl_egl_window *egl_window, + int width, int height, + int dx, int dy) +{ + egl_window->width = width; + egl_window->height = height; + egl_window->dx = dx; + egl_window->dy = dy; +} + +WL_EGL_EXPORT struct wl_egl_window * +wl_egl_window_create(struct wl_surface *surface, + int width, int height, + struct wl_visual *visual) +{ + struct wl_egl_window *egl_window; + + egl_window = malloc(sizeof *egl_window); + if (!egl_window) + return NULL; + + egl_window->surface = surface; + egl_window->visual = visual; + wl_egl_window_resize(egl_window, width, height, 0, 0); + egl_window->attached_width = 0; + egl_window->attached_height = 0; + + return egl_window; +} + +WL_EGL_EXPORT void +wl_egl_window_destroy(struct wl_egl_window *egl_window) +{ + free(egl_window); +} + +WL_EGL_EXPORT void +wl_egl_window_get_attached_size(struct wl_egl_window *egl_window, + int *width, int *height) +{ + if (width) + *width = egl_window->attached_width; + if (height) + *height = egl_window->attached_height; +} + +WL_EGL_EXPORT struct wl_egl_pixmap * +wl_egl_pixmap_create(struct wl_egl_display *egl_display, + int width, int height, + struct wl_visual *visual, uint32_t flags) +{ + struct wl_egl_pixmap *egl_pixmap; + + egl_pixmap = malloc(sizeof *egl_pixmap); + if (egl_pixmap == NULL) + return NULL; + + egl_pixmap->display = egl_display; + egl_pixmap->width = width; + egl_pixmap->height = height; + egl_pixmap->visual = visual; + egl_pixmap->name = 0; + egl_pixmap->stride = 0; + + egl_pixmap->destroy = NULL; + + return egl_pixmap; +} + +WL_EGL_EXPORT void +wl_egl_pixmap_destroy(struct wl_egl_pixmap *egl_pixmap) +{ + if (egl_pixmap->destroy) + egl_pixmap->destroy(egl_pixmap); + free(egl_pixmap); +} + +WL_EGL_EXPORT struct wl_buffer * +wl_egl_pixmap_create_buffer(struct wl_egl_display *egl_display, + struct wl_egl_pixmap *egl_pixmap) +{ + if (egl_pixmap->name == 0) + return NULL; + + return wl_drm_create_buffer(egl_display->drm, egl_pixmap->name, + egl_pixmap->width, egl_pixmap->height, + egl_pixmap->stride, egl_pixmap->visual); +} + +WL_EGL_EXPORT void +wl_egl_pixmap_flush(struct wl_egl_display *egl_display, + struct wl_egl_pixmap *egl_pixmap) +{ + if (egl_display->glFlush) + egl_display->glFlush(); +} diff --git a/src/egl/wayland/wayland-egl.pc.in b/src/egl/wayland/wayland-egl.pc.in new file mode 100644 index 00000000000..3c2067c2a77 --- /dev/null +++ b/src/egl/wayland/wayland-egl.pc.in @@ -0,0 +1,12 @@ +prefix=@INSTALL_DIR@ +exec_prefix=${prefix} +libdir=@INSTALL_LIB_DIR@ +includedir=@INSTALL_INC_DIR@ + +Name: wayland-egl +Description: Mesa wayland-egl library +Requires.private: @WAYLAND_EGL_PC_REQ_PRIV@ +Version: @VERSION@ +Libs: -L${libdir} -l@WAYLAND_EGL_LIB@ +Libs.private: @WAYLAND_EGL_PC_LIB_PRIV@ +Cflags: -I${includedir} @WAYLAND_EGL_PC_CFLAGS@ -- 2.30.2