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xeglgears: Add an case that exercises EGL_KHR_gl_renderbuffer_image

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This commit is contained in:
Kristian Høgsberg
2010-02-26 14:51:32 -05:00
parent 557c20b309
commit a509b8cc24
1 changed files with 67 additions and 12 deletions
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progs/egl/xeglgears.c
+67 -12
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@@ -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);