static bool
getFramebufferAttachmentSize(GLenum target, GLenum attachment, GLint *width, GLint *height)
{
GLint object_type = GL_NONE;
glGetFramebufferAttachmentParameteriv(target, attachment,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE,
&object_type);
if (object_type == GL_NONE) {
return false;
}
GLint object_name = 0;
glGetFramebufferAttachmentParameteriv(target, attachment,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
&object_name);
if (object_name == 0) {
return false;
}
if (object_type == GL_RENDERBUFFER) {
return getRenderbufferSize(object_name, width, height);
} else if (object_type == GL_TEXTURE) {
GLint texture_level = 0;
glGetFramebufferAttachmentParameteriv(target, attachment,
GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL,
&texture_level);
return getTextureLevelSize(object_name, texture_level, width, height);
} else {
std::cerr << "warning: unexpected GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE = " << object_type << "\n";
return false;
}
}
unsigned char* Awesomium::getBuffer()
{
unsigned char *Buffer;
Buffer = new unsigned char[getRenderbufferSize()];
awe_renderbuffer_copy_to(rBuffer, Buffer, awe_renderbuffer_get_width(rBuffer)*4, 4, true, false);
return Buffer;
}
