From 532b7400fd2959936c7344e4c38f6efbbef77924 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Thu, 1 Apr 2010 22:03:54 +0800 Subject: [PATCH] progs/egl: Port OpenVG lion and sp to eglut. --- progs/egl/openvg/Makefile | 50 +++--- progs/egl/openvg/eglcommon.c | 289 ----------------------------------- progs/egl/openvg/eglcommon.h | 20 --- progs/egl/openvg/lion.c | 244 ++--------------------------- progs/egl/openvg/sp.c | 47 ++---- 5 files changed, 59 insertions(+), 591 deletions(-) delete mode 100644 progs/egl/openvg/eglcommon.c delete mode 100644 progs/egl/openvg/eglcommon.h diff --git a/progs/egl/openvg/Makefile b/progs/egl/openvg/Makefile index 8a4c4d81a41..8ab0e68d876 100644 --- a/progs/egl/openvg/Makefile +++ b/progs/egl/openvg/Makefile @@ -3,37 +3,53 @@ TOP = ../../.. include $(TOP)/configs/current -VG_LIBS=-lm -pthread -lX11 -lEGL -lOpenVG +VG_LIBS=-lm -lEGL -lOpenVG INCLUDE_DIRS = -I$(TOP)/include +EGLUT_DIR = $(TOP)/progs/egl/eglut + +EGLUT_DEMOS = \ + sp + +EGLUT_X11_DEMOS := $(addsuffix _x11,$(EGLUT_DEMOS)) +EGLUT_SCREEN_DEMOS := $(addsuffix _screen,$(EGLUT_DEMOS)) + PROGRAMS = \ - lion \ - sp + lion_x11 \ + lion_screen .c.o: - $(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@ + $(CC) -c $(INCLUDE_DIRS) -I$(EGLUT_DIR) $(CFLAGS) $< -o $@ -default: $(PROGRAMS) +default: $(PROGRAMS) $(EGLUT_X11_DEMOS) $(EGLUT_SCREEN_DEMOS) -lion: lion.o lion-render.o - $(CC) $(CFLAGS) lion.o lion-render.o -L$(TOP)/$(LIB_DIR) $(VG_LIBS) -o $@ +lion_x11: lion.o lion-render.o $(EGLUT_DIR)/libeglut-x11.a + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ lion.o lion-render.o \ + $(VG_LIBS) -L$(EGLUT_DIR) -leglut-x11 -lX11 -lion.o: lion.c lion-render.h $(HEADERS) - $(CC) -c $(CFLAGS) -I$(TOP)/include lion.c -lion-render.o: lion-render.c lion-render.h $(HEADERS) - $(CC) -c $(CFLAGS) -I$(TOP)/include lion-render.c +lion_screen: lion.o lion-render.o $(EGLUT_DIR)/libeglut-screen.a + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ lion.o lion-render.o \ + $(VG_LIBS) -L$(EGLUT_DIR) -leglut-screen -sp: sp.c eglcommon.o - $(CC) $(INCLUDE_DIRS) $(CFLAGS) $^ -L$(TOP)/$(LIB_DIR) $(LIBS) $(VG_LIBS) $(APP_LIB_DEPS) -o $@ +$(EGLUT_DIR)/libeglut-x11.a $(EGLUT_DIR)/libeglut-screen.a: + @$(MAKE) -C $(EGLUT_DIR) -eglcommon.o: eglcommon.c $(HEADERS) - $(CC) -c $(INCLUDE_DIRS) $(CFLAGS) eglcommon.c +# define the rules for EGLUT demos +define eglut-demo-rule +$(1)_x11 $(1)_screen: $(1)_%: $(1).o $(EGLUT_DIR)/libeglut-%.a +endef +$(foreach demo, $(EGLUT_DEMOS), $(eval $(call eglut-demo-rule,$(demo)))) +# build EGLUT demos +$(EGLUT_X11_DEMOS): + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(VG_LIBS) -L$(EGLUT_DIR) -leglut-$* -lX11 +$(EGLUT_SCREEN_DEMOS): + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(VG_LIBS) -L$(EGLUT_DIR) -leglut-$* clean: rm -f *.o *~ - rm -f *.so - rm -f $(PROGRAMS) + rm -f $(EGLUT_X11_DEMOS) $(EGLUT_SCREEN_DEMOS) + @$(MAKE) -C $(EGLUT_DIR) clean diff --git a/progs/egl/openvg/eglcommon.c b/progs/egl/openvg/eglcommon.c deleted file mode 100644 index 0316e596c69..00000000000 --- a/progs/egl/openvg/eglcommon.c +++ /dev/null @@ -1,289 +0,0 @@ -#include "eglcommon.h" - - -#include -#include -#include -#include -#include -#include -#include -#include -#include /* using full OpenGL for now */ -#include - - -static init_func init = 0; -static draw_func draw = 0; -static reshape_func reshape = 0; -static key_func keyPress = 0; -static VGint width = 300, height = 300; - - -void set_window_size(int w, int h) -{ - width = w; - height = h; -} - -/* - * Create an RGB, double-buffered X window. - * Return the window and context handles. - */ -static void -make_x_window(Display *x_dpy, EGLDisplay egl_dpy, - const char *name, - int x, int y, int width, int height, - Window *winRet, - EGLContext *ctxRet, - EGLSurface *surfRet) -{ - static const EGLint attribs[] = { - EGL_RED_SIZE, 1, - EGL_GREEN_SIZE, 1, - EGL_BLUE_SIZE, 1, - EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT, - EGL_NONE - }; - - int scrnum; - XSetWindowAttributes attr; - unsigned long mask; - Window root; - Window win; - XVisualInfo *visInfo, visTemplate; - int num_visuals; - EGLContext ctx; - EGLConfig config; - EGLint num_configs; - EGLint vid; - - scrnum = DefaultScreen( x_dpy ); - root = RootWindow( x_dpy, scrnum ); - - if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs) || - !num_configs) { - printf("Error: couldn't get an EGL visual config\n"); - exit(1); - } - - assert(config); - - if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) { - printf("Error: eglGetConfigAttrib() failed\n"); - exit(1); - } - - /* The X window visual must match the EGL config */ - visTemplate.visualid = vid; - visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals); - if (!visInfo) { - printf("Error: couldn't get X visual\n"); - exit(1); - } - - /* window attributes */ - attr.background_pixel = 0; - attr.border_pixel = 0; - attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone); - attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; - mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; - - win = XCreateWindow( x_dpy, root, 0, 0, width, height, - 0, visInfo->depth, InputOutput, - visInfo->visual, mask, &attr ); - - /* set hints and properties */ - { - XSizeHints sizehints; - sizehints.x = x; - sizehints.y = y; - sizehints.width = width; - sizehints.height = height; - sizehints.flags = USSize | USPosition; - XSetNormalHints(x_dpy, win, &sizehints); - XSetStandardProperties(x_dpy, win, name, name, - None, (char **)NULL, 0, &sizehints); - } - - eglBindAPI(EGL_OPENVG_API); - - ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL ); - if (!ctx) { - printf("Error: eglCreateContext failed\n"); - exit(1); - } - - *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL); - - if (!*surfRet) { - printf("Error: eglCreateWindowSurface failed\n"); - exit(1); - } - - XFree(visInfo); - - *winRet = win; - *ctxRet = ctx; -} - -static void -event_loop(Display *dpy, Window win, - EGLDisplay egl_dpy, EGLSurface egl_surf) -{ - while (1) { - int redraw = 0; - XEvent event; - - XNextEvent(dpy, &event); - - switch (event.type) { - case Expose: - redraw = 1; - break; - case ConfigureNotify: - if (reshape) { - width = event.xconfigure.width; - height = event.xconfigure.height; - reshape(event.xconfigure.width, event.xconfigure.height); - } - break; - case KeyPress: - { - char buffer[10]; - int r, code; - code = XLookupKeysym(&event.xkey, 0); - if (!keyPress || !keyPress(code)) { - r = XLookupString(&event.xkey, buffer, sizeof(buffer), - NULL, NULL); - if (buffer[0] == 27) { - /* escape */ - return; - } - } - } - redraw = 1; - break; - default: - ; /*no-op*/ - } - - if (redraw) { - draw(); - eglSwapBuffers(egl_dpy, egl_surf); - } - } -} - -int window_width(void) -{ - return width; -} - -int window_height(void) -{ - return height; -} - -static void -usage(void) -{ - printf("Usage:\n"); - printf(" -display set the display to run on\n"); - printf(" -info display OpenGL renderer info\n"); -} - -int run(int argc, char **argv, - init_func init_f, - reshape_func resh_f, - draw_func draw_f, - key_func key_f) -{ - const int winWidth = width, winHeight = height; - Display *x_dpy; - Window win; - EGLSurface egl_surf; - EGLContext egl_ctx; - EGLDisplay egl_dpy; - char *dpyName = NULL; - GLboolean printInfo = GL_FALSE; - EGLint egl_major, egl_minor; - int i; - const char *s; - - init = init_f; - draw = draw_f; - reshape = resh_f; - keyPress = key_f; - - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "-display") == 0) { - dpyName = argv[i+1]; - i++; - } - else if (strcmp(argv[i], "-info") == 0) { - printInfo = GL_TRUE; - } - } - - x_dpy = XOpenDisplay(dpyName); - if (!x_dpy) { - printf("Error: couldn't open display %s\n", - dpyName ? dpyName : getenv("DISPLAY")); - return -1; - } - - egl_dpy = eglGetDisplay(x_dpy); - if (!egl_dpy) { - printf("Error: eglGetDisplay() failed\n"); - return -1; - } - - if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) { - printf("Error: eglInitialize() failed\n"); - return -1; - } - - s = eglQueryString(egl_dpy, EGL_VERSION); - printf("EGL_VERSION = %s\n", s); - - make_x_window(x_dpy, egl_dpy, - "OpenVG Example", 0, 0, winWidth, winHeight, - &win, &egl_ctx, &egl_surf); - - XMapWindow(x_dpy, win); - if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) { - printf("Error: eglMakeCurrent() failed\n"); - return -1; - } - - if (printInfo) { - printf("VG_RENDERER = %s\n", (char *) vgGetString(VG_RENDERER)); - printf("VG_VERSION = %s\n", (char *) vgGetString(VG_VERSION)); - printf("VG_VENDOR = %s\n", (char *) vgGetString(VG_VENDOR)); - } - - if (init) - init(); - - /* Set initial projection/viewing transformation. - * We can't be sure we'll get a ConfigureNotify event when the window - * first appears. - */ - if (reshape) - reshape(winWidth, winHeight); - - event_loop(x_dpy, win, egl_dpy, egl_surf); - - eglMakeCurrent(egl_dpy, 0, 0, 0); - eglDestroyContext(egl_dpy, egl_ctx); - eglDestroySurface(egl_dpy, egl_surf); - eglTerminate(egl_dpy); - - - XDestroyWindow(x_dpy, win); - XCloseDisplay(x_dpy); - - return 0; -} - diff --git a/progs/egl/openvg/eglcommon.h b/progs/egl/openvg/eglcommon.h deleted file mode 100644 index 958dae9f98d..00000000000 --- a/progs/egl/openvg/eglcommon.h +++ /dev/null @@ -1,20 +0,0 @@ -#ifndef EGLCOMMON_H -#define EGLCOMMON_H - -typedef void (*init_func)(); -typedef void (*reshape_func)(int, int); -typedef void (*draw_func)(); -typedef int (*key_func)(unsigned key); - - -void set_window_size(int width, int height); -int window_width(void); -int window_height(void); - -int run(int argc, char **argv, - init_func init, - reshape_func resh, - draw_func draw, - key_func key); - -#endif diff --git a/progs/egl/openvg/lion.c b/progs/egl/openvg/lion.c index adb269bfd86..c5dba4fcead 100644 --- a/progs/egl/openvg/lion.c +++ b/progs/egl/openvg/lion.c @@ -1,15 +1,8 @@ -#include -#include -#include -#include -#include -#include -#include -#include #include -#include +#include #include "lion-render.h" +#include "eglut.h" static VGint width, height; struct lion *lion = 0; @@ -29,6 +22,7 @@ draw(void) lion_render(lion); ++angle; + eglutPostRedisplay(); } @@ -51,239 +45,21 @@ init(void) } -/* - * Create an RGB, double-buffered X window. - * Return the window and context handles. - */ -static void -make_x_window(Display *x_dpy, EGLDisplay egl_dpy, - const char *name, - int x, int y, int width, int height, - Window *winRet, - EGLContext *ctxRet, - EGLSurface *surfRet) -{ - static const EGLint attribs[] = { - EGL_RED_SIZE, 1, - EGL_GREEN_SIZE, 1, - EGL_BLUE_SIZE, 1, - EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT, - EGL_NONE - }; - - int scrnum; - XSetWindowAttributes attr; - unsigned long mask; - Window root; - Window win; - XVisualInfo *visInfo, visTemplate; - int num_visuals; - EGLContext ctx; - EGLConfig config; - EGLint num_configs; - EGLint vid; - - scrnum = DefaultScreen( x_dpy ); - root = RootWindow( x_dpy, scrnum ); - - if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs) || - !num_configs) { - printf("Error: couldn't get an EGL visual config\n"); - exit(1); - } - - assert(config); - - if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) { - printf("Error: eglGetConfigAttrib() failed\n"); - exit(1); - } - - /* The X window visual must match the EGL config */ - visTemplate.visualid = vid; - visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals); - if (!visInfo) { - printf("Error: couldn't get X visual\n"); - exit(1); - } - - /* window attributes */ - attr.background_pixel = 0; - attr.border_pixel = 0; - attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone); - attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; - mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; - - win = XCreateWindow( x_dpy, root, 0, 0, width, height, - 0, visInfo->depth, InputOutput, - visInfo->visual, mask, &attr ); - - /* set hints and properties */ - { - XSizeHints sizehints; - sizehints.x = x; - sizehints.y = y; - sizehints.width = width; - sizehints.height = height; - sizehints.flags = USSize | USPosition; - XSetNormalHints(x_dpy, win, &sizehints); - XSetStandardProperties(x_dpy, win, name, name, - None, (char **)NULL, 0, &sizehints); - } - - eglBindAPI(EGL_OPENVG_API); - - ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL ); - if (!ctx) { - printf("Error: eglCreateContext failed\n"); - exit(1); - } - - *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL); - - if (!*surfRet) { - printf("Error: eglCreateWindowSurface failed\n"); - exit(1); - } - - XFree(visInfo); - - *winRet = win; - *ctxRet = ctx; -} - - -static void -event_loop(Display *dpy, Window win, - EGLDisplay egl_dpy, EGLSurface egl_surf) -{ - while (1) { - XEvent event; - - while (XPending(dpy) > 0) { - XNextEvent(dpy, &event); - - switch (event.type) { - case Expose: - break; - case ConfigureNotify: - reshape(event.xconfigure.width, event.xconfigure.height); - break; - case KeyPress: - { - char buffer[10]; - int r, code; - code = XLookupKeysym(&event.xkey, 0); - r = XLookupString(&event.xkey, buffer, sizeof(buffer), - NULL, NULL); - if (buffer[0] == 27) { - /* escape */ - return; - } - } - break; - default: - ; /*no-op*/ - } - } - - draw(); - eglSwapBuffers(egl_dpy, egl_surf); - } -} - - -static void -usage(void) -{ - printf("Usage:\n"); - printf(" -display set the display to run on\n"); - printf(" -info display OpenGL renderer info\n"); -} - int main(int argc, char *argv[]) { - const int winWidth = 350, winHeight = 450; - Display *x_dpy; - Window win; - EGLSurface egl_surf; - EGLContext egl_ctx; - EGLDisplay egl_dpy; - char *dpyName = NULL; - GLboolean printInfo = GL_FALSE; - EGLint egl_major, egl_minor; - int i; - const char *s; + eglutInitWindowSize(350, 450); + eglutInitAPIMask(EGLUT_OPENVG_BIT); + eglutInit(argc, argv); - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "-display") == 0) { - dpyName = argv[i+1]; - i++; - } - else if (strcmp(argv[i], "-info") == 0) { - printInfo = GL_TRUE; - } - else { - usage(); - return -1; - } - } + eglutCreateWindow("Lion Example"); - x_dpy = XOpenDisplay(dpyName); - if (!x_dpy) { - printf("Error: couldn't open display %s\n", - dpyName ? dpyName : getenv("DISPLAY")); - return -1; - } - - egl_dpy = eglGetDisplay(x_dpy); - if (!egl_dpy) { - printf("Error: eglGetDisplay() failed\n"); - return -1; - } - - if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) { - printf("Error: eglInitialize() failed\n"); - return -1; - } - - s = eglQueryString(egl_dpy, EGL_VERSION); - printf("EGL_VERSION = %s\n", s); - - make_x_window(x_dpy, egl_dpy, - "Lion Example", 0, 0, winWidth, winHeight, - &win, &egl_ctx, &egl_surf); - - XMapWindow(x_dpy, win); - if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) { - printf("Error: eglMakeCurrent() failed\n"); - return -1; - } - - if (printInfo) { - printf("VG_RENDERER = %s\n", (char *) vgGetString(VG_RENDERER)); - printf("VG_VERSION = %s\n", (char *) vgGetString(VG_VERSION)); - printf("VG_VENDOR = %s\n", (char *) vgGetString(VG_VENDOR)); - } + eglutReshapeFunc(reshape); + eglutDisplayFunc(draw); init(); - /* Set initial projection/viewing transformation. - * We can't be sure we'll get a ConfigureNotify event when the window - * first appears. - */ - reshape(winWidth, winHeight); - - event_loop(x_dpy, win, egl_dpy, egl_surf); - - eglDestroyContext(egl_dpy, egl_ctx); - eglDestroySurface(egl_dpy, egl_surf); - eglTerminate(egl_dpy); - - - XDestroyWindow(x_dpy, win); - XCloseDisplay(x_dpy); + eglutMainLoop(); return 0; } diff --git a/progs/egl/openvg/sp.c b/progs/egl/openvg/sp.c index 424ec47d69e..a20c0a3b4ef 100644 --- a/progs/egl/openvg/sp.c +++ b/progs/egl/openvg/sp.c @@ -1,13 +1,9 @@ -#include "eglcommon.h" - #include #include -#include #include -#include #include -#include +#include "eglut.h" #define ELEMENTS(x) (sizeof(x)/sizeof((x)[0])) @@ -475,36 +471,13 @@ reshape(int w, int h) { } -static int -key_press(unsigned key) -{ - switch(key) { - case XK_Right: - - break; - case XK_Left: - break; - case XK_Up: - break; - case XK_Down: - break; - case 'a': - break; - case 's': - break; - default: - break; - } - return VG_FALSE; -} - static void draw(void) { VGint i; VGfloat save_matrix[9]; - vgClear(0, 0, window_width(), window_height()); + vgClear(0, 0, eglutGetWindowWidth(), eglutGetWindowHeight()); vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE); vgLoadIdentity(); @@ -532,6 +505,18 @@ draw(void) int main(int argc, char **argv) { - set_window_size(400, 400); - return run(argc, argv, init, reshape, draw, key_press); + eglutInitWindowSize(400, 400); + eglutInitAPIMask(EGLUT_OPENVG_BIT); + eglutInit(argc, argv); + + eglutCreateWindow("sp"); + + eglutReshapeFunc(reshape); + eglutDisplayFunc(draw); + + init(); + + eglutMainLoop(); + + return 0; } -- 2.30.2