void WebGLFramebuffer::removeAttachmentFromBoundFramebuffer(WebGLSharedObject* attachment)
{
ASSERT(isBound());
if (!object())
return;
if (!attachment)
return;
GraphicsContext3D* gc3d = context()->graphicsContext3D();
if (attachment == m_colorAttachment.get()) {
if (attachment->isRenderbuffer())
gc3d->framebufferRenderbuffer(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::COLOR_ATTACHMENT0, GraphicsContext3D::RENDERBUFFER, 0);
else
gc3d->framebufferTexture2D(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::COLOR_ATTACHMENT0, m_texTarget, 0, m_texLevel);
removeAttachmentFromBoundFramebuffer(GraphicsContext3D::COLOR_ATTACHMENT0);
}
if (attachment == m_depthAttachment.get()) {
gc3d->framebufferRenderbuffer(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::DEPTH_ATTACHMENT, GraphicsContext3D::RENDERBUFFER, 0);
removeAttachmentFromBoundFramebuffer(GraphicsContext3D::DEPTH_ATTACHMENT);
}
if (attachment == m_stencilAttachment.get()) {
gc3d->framebufferRenderbuffer(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::STENCIL_ATTACHMENT, GraphicsContext3D::RENDERBUFFER, 0);
removeAttachmentFromBoundFramebuffer(GraphicsContext3D::STENCIL_ATTACHMENT);
}
if (attachment == m_depthStencilAttachment.get()) {
gc3d->framebufferRenderbuffer(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::DEPTH_ATTACHMENT, GraphicsContext3D::RENDERBUFFER, 0);
gc3d->framebufferRenderbuffer(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::STENCIL_ATTACHMENT, GraphicsContext3D::RENDERBUFFER, 0);
removeAttachmentFromBoundFramebuffer(GraphicsContext3D::DEPTH_STENCIL_ATTACHMENT);
}
}
void WebGLFramebuffer::setAttachmentForBoundFramebuffer(GC3Denum attachment, WebGLRenderbuffer* renderbuffer)
{
ASSERT(isBound());
if (!object())
return;
removeAttachmentFromBoundFramebuffer(attachment);
if (renderbuffer && !renderbuffer->object())
renderbuffer = 0;
switch (attachment) {
case GraphicsContext3D::COLOR_ATTACHMENT0:
m_colorAttachment = renderbuffer;
break;
case GraphicsContext3D::DEPTH_ATTACHMENT:
m_depthAttachment = renderbuffer;
break;
case GraphicsContext3D::STENCIL_ATTACHMENT:
m_stencilAttachment = renderbuffer;
break;
case GraphicsContext3D::DEPTH_STENCIL_ATTACHMENT:
m_depthStencilAttachment = renderbuffer;
break;
default:
ASSERT_NOT_REACHED();
break;
}
if (renderbuffer)
renderbuffer->onAttached();
}
void WebGLFramebuffer::setAttachmentForBoundFramebuffer(GC3Denum attachment, GC3Denum texTarget, WebGLTexture* texture, GC3Dint level)
{
ASSERT(isBound());
if (!object())
return;
removeAttachmentFromBoundFramebuffer(attachment);
if (texture && !texture->object())
texture = 0;
switch (attachment) {
case GraphicsContext3D::COLOR_ATTACHMENT0:
m_colorAttachment = texture;
if (texture) {
m_texTarget = texTarget;
m_texLevel = level;
}
break;
case GraphicsContext3D::DEPTH_ATTACHMENT:
m_depthAttachment = texture;
break;
case GraphicsContext3D::STENCIL_ATTACHMENT:
m_stencilAttachment = texture;
break;
case GraphicsContext3D::DEPTH_STENCIL_ATTACHMENT:
m_depthStencilAttachment = texture;
break;
default:
ASSERT_NOT_REACHED();
break;
}
if (texture)
texture->onAttached();
}
void WebGLFramebuffer::setAttachmentForBoundFramebuffer(GC3Denum attachment, WebGLRenderbuffer* renderbuffer)
{
ASSERT(isBound());
removeAttachmentFromBoundFramebuffer(attachment);
if (!object())
return;
if (renderbuffer && renderbuffer->object()) {
m_attachments.add(attachment, WebGLRenderbufferAttachment::create(renderbuffer));
drawBuffersIfNecessary(false);
renderbuffer->onAttached();
}
}
void WebGLFramebuffer::setAttachmentForBoundFramebuffer(GC3Denum attachment, GC3Denum texTarget, WebGLTexture* texture, GC3Dint level)
{
ASSERT(isBound());
removeAttachmentFromBoundFramebuffer(attachment);
if (!object())
return;
if (texture && texture->object()) {
m_attachments.add(attachment, WebGLTextureAttachment::create(texture, texTarget, level));
drawBuffersIfNecessary(false);
texture->onAttached();
}
}
void WebGLFramebuffer::removeAttachmentFromBoundFramebuffer(WebGLSharedObject* attachment)
{
ASSERT(isBound());
if (!object())
return;
if (!attachment)
return;
bool checkMore = true;
while (checkMore) {
checkMore = false;
for (AttachmentMap::iterator it = m_attachments.begin(); it != m_attachments.end(); ++it) {
WebGLAttachment* attachmentObject = it->value.get();
if (attachmentObject->isSharedObject(attachment)) {
GC3Denum attachmentType = it->key;
attachmentObject->unattach(context()->graphicsContext3D(), attachmentType);
removeAttachmentFromBoundFramebuffer(attachmentType);
checkMore = true;
break;
}
}
}
}
void WebGLFramebuffer::removeAttachmentFromBoundFramebuffer(GLenum target, WebGLSharedObject* attachment)
{
ASSERT(isBound(target));
if (!m_object)
return;
if (!attachment)
return;
bool checkMore = true;
while (checkMore) {
checkMore = false;
for (const auto& it : m_attachments) {
WebGLAttachment* attachmentObject = it.value.get();
if (attachmentObject->isSharedObject(attachment)) {
GLenum attachmentType = it.key;
attachmentObject->unattach(context()->webContext(), target, attachmentType);
removeAttachmentFromBoundFramebuffer(target, attachmentType);
checkMore = true;
break;
}
}
}
}
