Mesa (master): progs/egl: Port OpenVG lion and sp to eglut.
Chia-I Wu
olv at kemper.freedesktop.org
Thu Apr 1 14:39:18 UTC 2010
Module: Mesa
Branch: master
Commit: 532b7400fd2959936c7344e4c38f6efbbef77924
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=532b7400fd2959936c7344e4c38f6efbbef77924
Author: Chia-I Wu <olv at lunarg.com>
Date: Thu Apr 1 22:03:54 2010 +0800
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(-)
diff --git a/progs/egl/openvg/Makefile b/progs/egl/openvg/Makefile
index 8a4c4d8..8ab0e68 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 0316e59..0000000
--- a/progs/egl/openvg/eglcommon.c
+++ /dev/null
@@ -1,289 +0,0 @@
-#include "eglcommon.h"
-
-
-#include <assert.h>
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
-#include <VG/openvg.h> /* using full OpenGL for now */
-#include <GLES/egl.h>
-
-
-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 <displayname> 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 958dae9..0000000
--- 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 adb269b..c5dba4f 100644
--- a/progs/egl/openvg/lion.c
+++ b/progs/egl/openvg/lion.c
@@ -1,15 +1,8 @@
-#include <assert.h>
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
#include <VG/openvg.h>
-#include <GLES/egl.h>
+#include <EGL/egl.h>
#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 <displayname> 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 424ec47..a20c0a3 100644
--- a/progs/egl/openvg/sp.c
+++ b/progs/egl/openvg/sp.c
@@ -1,13 +1,9 @@
-#include "eglcommon.h"
-
#include <VG/openvg.h>
#include <VG/vgu.h>
-#include <stdio.h>
#include <math.h>
-#include <stdlib.h>
#include <string.h>
-#include <X11/keysym.h>
+#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;
}
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