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authorKristian Høgsberg <krh@bitplanet.net>2010-02-26 14:51:32 -0500
committerKristian Høgsberg <krh@bitplanet.net>2010-02-26 14:52:14 -0500
commita509b8cc24df71599b5e77a8cec22ed6249ea960 (patch)
tree2da11a8b97389ec524cc4bc0c6a737a01358d474
parent557c20b3091843fdec59069b2b85969a49943305 (diff)
xeglgears: Add an case that exercises EGL_KHR_gl_renderbuffer_image
-rw-r--r--progs/egl/xeglgears.c79
1 files changed, 67 insertions, 12 deletions
diff --git a/progs/egl/xeglgears.c b/progs/egl/xeglgears.c
index dd2c7e8b45..a6a977d9ff 100644
--- a/progs/egl/xeglgears.c
+++ b/progs/egl/xeglgears.c
@@ -346,6 +346,7 @@ struct egl_manager {
EGLint major, minor;
GC gc;
+ GLuint fbo;
};
static struct egl_manager *
@@ -545,7 +546,8 @@ enum {
GEARS_PIXMAP,
GEARS_PIXMAP_TEXTURE,
GEARS_PBUFFER,
- GEARS_PBUFFER_TEXTURE
+ GEARS_PBUFFER_TEXTURE,
+ GEARS_RENDERBUFFER
};
static void
@@ -698,6 +700,13 @@ event_loop(struct egl_manager *eman, EGLint surface_type, EGLint w, EGLint h)
draw();
texture_gears(eman, surface_type);
break;
+
+ case GEARS_RENDERBUFFER:
+ glBindFramebuffer(GL_FRAMEBUFFER_EXT, eman->fbo);
+ draw();
+ glBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
+ texture_gears(eman, surface_type);
+ break;
}
frames++;
@@ -728,10 +737,16 @@ usage(void)
printf(" -pixmap-texture use pixmap surface and texture using EGLImage\n");
printf(" -pbuffer use pbuffer surface and eglCopyBuffers\n");
printf(" -pbuffer-texture use pbuffer surface and eglBindTexImage\n");
+ printf(" -renderbuffer renderbuffer as EGLImage and bind as texture from\n");
}
static const char *names[] = {
- "window", "pixmap", "pixmap_texture", "pbuffer", "pbuffer_texture"
+ "window",
+ "pixmap",
+ "pixmap_texture",
+ "pbuffer",
+ "pbuffer_texture",
+ "renderbuffer"
};
int
@@ -755,7 +770,7 @@ main(int argc, char *argv[])
GLboolean printInfo = GL_FALSE;
GLboolean fullscreen = GL_FALSE;
EGLBoolean ret;
- GLuint texture;
+ GLuint texture, color_rb, depth_rb;
int i;
for (i = 1; i < argc; i++) {
@@ -785,6 +800,9 @@ main(int argc, char *argv[])
surface_type = GEARS_PBUFFER_TEXTURE;
attribs[1] = EGL_PBUFFER_BIT;
}
+ else if (strcmp(argv[i], "-renderbuffer") == 0) {
+ surface_type = GEARS_RENDERBUFFER;
+ }
else {
usage();
return -1;
@@ -809,20 +827,20 @@ main(int argc, char *argv[])
snprintf(win_title, sizeof(win_title),
"xeglgears (%s)", names[surface_type]);
+ ret = egl_manager_create_window(eman, win_title, winWidth, winHeight,
+ EGL_TRUE, fullscreen, NULL);
+ if (!ret)
+ return -1;
+
/* create surface(s) */
switch (surface_type) {
case GEARS_WINDOW:
- ret = egl_manager_create_window(eman, win_title, winWidth, winHeight,
- EGL_TRUE, fullscreen, NULL);
if (ret)
ret = eglMakeCurrent(eman->dpy, eman->win, eman->win, eman->ctx);
break;
case GEARS_PIXMAP:
case GEARS_PIXMAP_TEXTURE:
- ret = (egl_manager_create_window(eman, win_title, winWidth, winHeight,
- EGL_TRUE, fullscreen, NULL) &&
- egl_manager_create_pixmap(eman, eman->xwin,
- EGL_TRUE, NULL));
+ ret = egl_manager_create_pixmap(eman, eman->xwin, EGL_TRUE, NULL);
if (surface_type == GEARS_PIXMAP_TEXTURE)
eman->image = eglCreateImageKHR (eman->dpy, eman->ctx,
EGL_NATIVE_PIXMAP_KHR,
@@ -840,15 +858,51 @@ main(int argc, char *argv[])
EGL_TEXTURE_TARGET, EGL_TEXTURE_2D,
EGL_NONE
};
- ret = (egl_manager_create_window(eman, win_title, winWidth, winHeight,
- EGL_TRUE, fullscreen, NULL) &&
- egl_manager_create_pixmap(eman, eman->xwin,
+ ret = (egl_manager_create_pixmap(eman, eman->xwin,
EGL_TRUE, NULL) &&
egl_manager_create_pbuffer(eman, pbuf_attribs));
if (ret)
ret = eglMakeCurrent(eman->dpy, eman->pbuf, eman->pbuf, eman->ctx);
}
break;
+
+
+ case GEARS_RENDERBUFFER:
+ ret = eglMakeCurrent(eman->dpy, eman->win, eman->win, eman->ctx);
+ if (ret == EGL_FALSE)
+ printf("failed to make context current\n");
+
+ glGenFramebuffers(1, &eman->fbo);
+ glBindFramebuffer(GL_FRAMEBUFFER_EXT, eman->fbo);
+
+ glGenRenderbuffers(1, &color_rb);
+ glBindRenderbuffer(GL_RENDERBUFFER_EXT, color_rb);
+ glRenderbufferStorage(GL_RENDERBUFFER_EXT, GL_RGBA, winWidth, winHeight);
+ glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
+ GL_COLOR_ATTACHMENT0_EXT,
+ GL_RENDERBUFFER_EXT,
+ color_rb);
+
+ eman->image = eglCreateImageKHR(eman->dpy, eman->ctx,
+ EGL_GL_RENDERBUFFER_KHR,
+ (EGLClientBuffer) color_rb, NULL);
+
+ glGenRenderbuffers(1, &depth_rb);
+ glBindRenderbuffer(GL_RENDERBUFFER_EXT, depth_rb);
+ glRenderbufferStorage(GL_RENDERBUFFER_EXT,
+ GL_DEPTH_COMPONENT, winWidth, winHeight);
+ glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
+ GL_DEPTH_ATTACHMENT_EXT,
+ GL_RENDERBUFFER_EXT,
+ depth_rb);
+
+ if (glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE) {
+ printf("framebuffer not complete\n");
+ exit(1);
+ }
+
+ break;
+
default:
ret = EGL_FALSE;
break;
@@ -856,6 +910,7 @@ main(int argc, char *argv[])
switch (surface_type) {
case GEARS_PIXMAP_TEXTURE:
+ case GEARS_RENDERBUFFER:
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, eman->image);