bool
WebGLFramebuffer::HasCompletePlanes(GLbitfield mask)
{
if (CheckFramebufferStatus() != LOCAL_GL_FRAMEBUFFER_COMPLETE)
return false;
MOZ_ASSERT(mContext->mBoundDrawFramebuffer == this ||
mContext->mBoundReadFramebuffer == this);
bool hasPlanes = true;
if (mask & LOCAL_GL_COLOR_BUFFER_BIT) {
hasPlanes &= ColorAttachmentCount() &&
ColorAttachment(0).IsDefined();
}
if (mask & LOCAL_GL_DEPTH_BUFFER_BIT) {
hasPlanes &= DepthAttachment().IsDefined() ||
DepthStencilAttachment().IsDefined();
}
if (mask & LOCAL_GL_STENCIL_BUFFER_BIT) {
hasPlanes &= StencilAttachment().IsDefined() ||
DepthStencilAttachment().IsDefined();
}
return hasPlanes;
}
void
WebGLFramebuffer::FinalizeAttachments() const
{
gl::GLContext* gl = mContext->gl;
for (size_t i = 0; i < ColorAttachmentCount(); i++) {
ColorAttachment(i).FinalizeAttachment(gl, LOCAL_GL_COLOR_ATTACHMENT0+i);
}
DepthAttachment().FinalizeAttachment(gl, LOCAL_GL_DEPTH_ATTACHMENT);
StencilAttachment().FinalizeAttachment(gl, LOCAL_GL_STENCIL_ATTACHMENT);
DepthStencilAttachment().FinalizeAttachment(gl,
LOCAL_GL_DEPTH_STENCIL_ATTACHMENT);
FinalizeDrawAndReadBuffers(gl, ColorAttachment(0).IsDefined());
}
JS::Value
WebGLFramebuffer::GetAttachmentParameter(const char* funcName, JSContext* cx,
GLenum target, GLenum attachment,
GLenum pname, ErrorResult* const out_error)
{
auto attachPoint = GetAttachPoint(attachment);
if (!attachPoint) {
mContext->ErrorInvalidEnum("%s: Can only query COLOR_ATTACHMENTi,"
" DEPTH_ATTACHMENT, DEPTH_STENCIL_ATTACHMENT, or"
" STENCIL_ATTACHMENT for a framebuffer.",
funcName);
return JS::NullValue();
}
if (mContext->IsWebGL2() && attachment == LOCAL_GL_DEPTH_STENCIL_ATTACHMENT) {
// There are a couple special rules for this one.
if (pname == LOCAL_GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE) {
mContext->ErrorInvalidOperation("%s: Querying"
" FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE"
" against DEPTH_STENCIL_ATTACHMENT is an"
" error.",
funcName);
return JS::NullValue();
}
if (AttachmentsDontMatch(DepthAttachment(), StencilAttachment())) {
mContext->ErrorInvalidOperation("%s: DEPTH_ATTACHMENT and STENCIL_ATTACHMENT"
" have different objects bound.",
funcName);
return JS::NullValue();
}
attachPoint = GetAttachPoint(LOCAL_GL_DEPTH_ATTACHMENT);
}
FinalizeAttachments();
return attachPoint->GetParameter(funcName, mContext, cx, target, attachment, pname,
out_error);
}
