Method updateTexture

Source/Node/VideoNode.cpp:426–487

}

VideoNode::UpdateFlag VideoNode::updateTexture() {
	auto videoData = s_cast<VideoData*>(_videoData.get());
	if (!videoData) return UpdateFlag::Stop;

	uint32_t videoWidth = videoData->videoWidth;
	uint32_t videoHeight = videoData->videoHeight;
	if (videoWidth == 0 || videoHeight == 0) {
		return UpdateFlag::Stop;
	}

	auto frame = videoData->getFrame();
	if (!frame) {
		return UpdateFlag::Wait;
	}

	if (frame.value().empty()) {
		return UpdateFlag::Stop;
	}

	auto texture = getTexture();

	if (!texture || texture->getWidth() != s_cast<int>(videoWidth) || texture->getHeight() != s_cast<int>(videoHeight)) {

		bgfx::TextureHandle textureHandle = bgfx::createTexture2D(
			s_cast<uint16_t>(videoWidth),
			s_cast<uint16_t>(videoHeight),
			false, 1,
			bgfx::TextureFormat::RGBA8);

		if (!bgfx::isValid(textureHandle)) {
			Error("VideoNode: failed to create texture");
			return UpdateFlag::Stop;
		}

		bgfx::TextureInfo info;
		bgfx::calcTextureSize(info,
			s_cast<uint16_t>(videoWidth),
			s_cast<uint16_t>(videoHeight),
			0, false, false, 1,
			bgfx::TextureFormat::RGBA8);

		texture = Texture2D::create(textureHandle, info, BGFX_TEXTURE_NONE);
		setTexture(texture);
		setTextureRect(Rect{0.0f, 0.0f, s_cast<float>(videoData->videoWidth), s_cast<float>(videoData->videoHeight)});
	}

	if (texture) {
		auto buffer = new std::vector<uint32_t>(std::move(frame.value()));
		const bgfx::Memory* mem = bgfx::makeRef(
			buffer->data(),
			s_cast<uint32_t>(buffer->size() * sizeof(uint32_t)),
			releaseFrame,
			buffer);

		bgfx::updateTexture2D(texture->getHandle(), 0, 0, 0, 0,
			s_cast<uint16_t>(videoWidth),
			s_cast<uint16_t>(videoHeight),
			mem);